Add Nix flake for mcproxyctl

Vendor dependencies and expose mcproxyctl binary via nix build.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-03-25 21:01:29 -07:00
parent 357ad60e42
commit c13c868e77
2463 changed files with 6834069 additions and 0 deletions

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cmd/tomll/tomll
cmd/tomljson/tomljson

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* text=auto
benchmark/benchmark.toml text eol=lf
testdata/** text eol=lf

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test_program/test_program_bin
fuzz/
cmd/tomll/tomll
cmd/tomljson/tomljson
cmd/tomltestgen/tomltestgen
dist
tests/
test-results

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version = "2"
[linters]
default = "none"
enable = [
"asciicheck",
"bodyclose",
"dogsled",
"dupl",
"durationcheck",
"errcheck",
"errorlint",
"exhaustive",
"forbidigo",
"gochecknoinits",
"goconst",
"gocritic",
"godoclint",
"goheader",
"gomodguard",
"goprintffuncname",
"gosec",
"govet",
"importas",
"ineffassign",
"lll",
"makezero",
"mirror",
"misspell",
"nakedret",
"nilerr",
"noctx",
"nolintlint",
"perfsprint",
"prealloc",
"predeclared",
"revive",
"rowserrcheck",
"sqlclosecheck",
"staticcheck",
"thelper",
"tparallel",
"unconvert",
"unparam",
"unused",
"usetesting",
"wastedassign",
"whitespace",
]
[linters.settings.exhaustive]
default-signifies-exhaustive = true
[linters.settings.lll]
line-length = 150
[[linters.exclusions.rules]]
path = ".test.go"
linters = ["goconst", "gosec"]
[[linters.exclusions.rules]]
path = "main.go"
linters = ["forbidigo"]
[[linters.exclusions.rules]]
path = "internal"
linters = ["revive"]
text = "(exported|indent-error-flow): "
[formatters]
enable = [
"gci",
"gofmt",
"gofumpt",
"goimports",
]

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version: 2
before:
hooks:
- go mod tidy
- go fmt ./...
- go test ./...
builds:
- id: tomll
main: ./cmd/tomll
binary: tomll
env:
- CGO_ENABLED=0
flags:
- -trimpath
ldflags:
- -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}}
mod_timestamp: '{{ .CommitTimestamp }}'
targets:
- linux_amd64
- linux_arm64
- linux_arm
- linux_riscv64
- windows_amd64
- windows_arm64
- darwin_amd64
- darwin_arm64
- id: tomljson
main: ./cmd/tomljson
binary: tomljson
env:
- CGO_ENABLED=0
flags:
- -trimpath
ldflags:
- -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}}
mod_timestamp: '{{ .CommitTimestamp }}'
targets:
- linux_amd64
- linux_arm64
- linux_arm
- linux_riscv64
- windows_amd64
- windows_arm64
- darwin_amd64
- darwin_arm64
- id: jsontoml
main: ./cmd/jsontoml
binary: jsontoml
env:
- CGO_ENABLED=0
flags:
- -trimpath
ldflags:
- -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}}
mod_timestamp: '{{ .CommitTimestamp }}'
targets:
- linux_amd64
- linux_arm64
- linux_riscv64
- linux_arm
- windows_amd64
- windows_arm64
- darwin_amd64
- darwin_arm64
universal_binaries:
- id: tomll
replace: true
name_template: tomll
- id: tomljson
replace: true
name_template: tomljson
- id: jsontoml
replace: true
name_template: jsontoml
archives:
- id: jsontoml
format: tar.xz
builds:
- jsontoml
files:
- none*
name_template: "{{ .Binary }}_{{.Version}}_{{ .Os }}_{{ .Arch }}"
- id: tomljson
format: tar.xz
builds:
- tomljson
files:
- none*
name_template: "{{ .Binary }}_{{.Version}}_{{ .Os }}_{{ .Arch }}"
- id: tomll
format: tar.xz
builds:
- tomll
files:
- none*
name_template: "{{ .Binary }}_{{.Version}}_{{ .Os }}_{{ .Arch }}"
dockers:
- id: tools
goos: linux
goarch: amd64
ids:
- jsontoml
- tomljson
- tomll
image_templates:
- "ghcr.io/pelletier/go-toml:latest"
- "ghcr.io/pelletier/go-toml:{{ .Tag }}"
- "ghcr.io/pelletier/go-toml:v{{ .Major }}"
skip_push: false
checksum:
name_template: 'sha256sums.txt'
snapshot:
version_template: "{{ incpatch .Version }}-next"
release:
github:
owner: pelletier
name: go-toml
draft: true
prerelease: auto
mode: replace
changelog:
use: github-native
announce:
skip: true

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# Agent Guidelines for go-toml
This file provides guidelines for AI agents contributing to go-toml. All agents must follow these rules derived from [CONTRIBUTING.md](./CONTRIBUTING.md).
## Project Overview
go-toml is a TOML library for Go. The goal is to provide an easy-to-use and efficient TOML implementation that gets the job done without getting in the way.
## Code Change Rules
### Backward Compatibility
- **No backward-incompatible changes** unless explicitly discussed and approved
- Avoid breaking people's programs unless absolutely necessary
### Testing Requirements
- **All bug fixes must include regression tests**
- **All new code must be tested**
- Run tests before submitting: `go test -race ./...`
- Test coverage must not decrease. Check with:
```bash
go test -covermode=atomic -coverprofile=coverage.out
go tool cover -func=coverage.out
```
- All lines of code touched by changes should be covered by tests
### Performance Requirements
- go-toml aims to stay efficient; avoid performance regressions
- Run benchmarks to verify: `go test ./... -bench=. -count=10`
- Compare results using [benchstat](https://pkg.go.dev/golang.org/x/perf/cmd/benchstat)
### Documentation
- New features or feature extensions must include documentation
- Documentation lives in [README.md](./README.md) and throughout source code
### Code Style
- Follow existing code format and structure
- Code must pass `go fmt`
- Code must pass linting with the same golangci-lint version as CI (see version in `.github/workflows/lint.yml`):
```bash
# Install specific version (check lint.yml for current version)
curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/HEAD/install.sh | sh -s -- -b $(go env GOPATH)/bin <version>
# Run linter
golangci-lint run ./...
```
### Commit Messages
- Commit messages must explain **why** the change is needed
- Keep messages clear and informative even if details are in the PR description
## Pull Request Checklist
Before submitting:
1. Tests pass (`go test -race ./...`)
2. No backward-incompatible changes (unless discussed)
3. Relevant documentation added/updated
4. No performance regression (verify with benchmarks)
5. Title is clear and understandable for changelog

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# Contributing
Thank you for your interest in go-toml! We appreciate you considering
contributing to go-toml!
The main goal is the project is to provide an easy-to-use and efficient TOML
implementation for Go that gets the job done and gets out of your way dealing
with TOML is probably not the central piece of your project.
As the single maintainer of go-toml, time is scarce. All help, big or small, is
more than welcomed!
## Ask questions
Any question you may have, somebody else might have it too. Always feel free to
ask them on the [discussion board][discussions]. We will try to answer them as
clearly and quickly as possible, time permitting.
Asking questions also helps us identify areas where the documentation needs
improvement, or new features that weren't envisioned before. Sometimes, a
seemingly innocent question leads to the fix of a bug. Don't hesitate and ask
away!
[discussions]: https://github.com/pelletier/go-toml/discussions
## Improve the documentation
The best way to share your knowledge and experience with go-toml is to improve
the documentation. Fix a typo, clarify an interface, add an example, anything
goes!
The documentation is present in the [README][readme] and thorough the source
code. On release, it gets updated on [pkg.go.dev][pkg.go.dev]. To make a change
to the documentation, create a pull request with your proposed changes. For
simple changes like that, the easiest way to go is probably the "Fork this
project and edit the file" button on GitHub, displayed at the top right of the
file. Unless it's a trivial change (for example a typo), provide a little bit of
context in your pull request description or commit message.
## Report a bug
Found a bug! Sorry to hear that :(. Help us and other track them down and fix by
reporting it. [File a new bug report][bug-report] on the [issues
tracker][issues-tracker]. The template should provide enough guidance on what to
include. When in doubt: add more details! By reducing ambiguity and providing
more information, it decreases back and forth and saves everyone time.
## Code changes
Want to contribute a patch? Very happy to hear that!
First, some high-level rules:
- A short proposal with some POC code is better than a lengthy piece of text
with no code. Code speaks louder than words. That being said, bigger changes
should probably start with a [discussion][discussions].
- No backward-incompatible patch will be accepted unless discussed. Sometimes
it's hard, but we try not to break people's programs unless we absolutely have
to.
- If you are writing a new feature or extending an existing one, make sure to
write some documentation.
- Bug fixes need to be accompanied with regression tests.
- New code needs to be tested.
- Your commit messages need to explain why the change is needed, even if already
included in the PR description.
It does sound like a lot, but those best practices are here to save time overall
and continuously improve the quality of the project, which is something everyone
benefits from.
### Get started
The fairly standard code contribution process looks like that:
1. [Fork the project][fork].
2. Make your changes, commit on any branch you like.
3. [Open up a pull request][pull-request]
4. Review, potential ask for changes.
5. Merge.
Feel free to ask for help! You can create draft pull requests to gather
some early feedback!
### Run the tests
You can run tests for go-toml using Go's test tool: `go test -race ./...`.
During the pull request process, all tests will be ran on Linux, Windows, and
MacOS on the last two versions of Go.
However, given GitHub's new policy to _not_ run Actions on pull requests until a
maintainer clicks on button, it is highly recommended that you run them locally
as you make changes.
### Test across Go versions
The repository includes tooling to test go-toml across multiple Go versions
(1.11 through 1.25) both locally and in GitHub Actions.
#### Local testing with Docker
Prerequisites: Docker installed and running, Bash shell, `rsync` command.
```bash
# Test all Go versions in parallel (default)
./test-go-versions.sh
# Test specific versions
./test-go-versions.sh 1.21 1.22 1.23
# Test sequentially (slower but uses less resources)
./test-go-versions.sh --sequential
# Verbose output with custom results directory
./test-go-versions.sh --verbose --output ./my-results 1.24 1.25
# Show all options
./test-go-versions.sh --help
```
The script creates Docker containers for each Go version and runs the full test
suite. Results are saved to a `test-results/` directory with individual logs and
a comprehensive summary report.
The script only exits with a non-zero status code if either of the two most
recent Go versions fail.
#### GitHub Actions testing (maintainers)
1. Go to the **Actions** tab in the GitHub repository
2. Select **"Go Versions Compatibility Test"** from the workflow list
3. Click **"Run workflow"**
4. Optionally customize:
- **Go versions**: Space-separated list (e.g., `1.21 1.22 1.23`)
- **Execution mode**: Parallel (faster) or sequential (more stable)
### Check coverage
We use `go tool cover` to compute test coverage. Most code editors have a way to
run and display code coverage, but at the end of the day, we do this:
```
go test -covermode=atomic -coverprofile=coverage.out
go tool cover -func=coverage.out
```
and verify that the overall percentage of tested code does not go down. This is
a requirement. As a rule of thumb, all lines of code touched by your changes
should be covered. On Unix you can use `./ci.sh coverage -d v2` to check if your
code lowers the coverage.
### Verify performance
Go-toml aims to stay efficient. We rely on a set of scenarios executed with Go's
builtin benchmark systems. Because of their noisy nature, containers provided by
GitHub Actions cannot be reliably used for benchmarking. As a result, you are
responsible for checking that your changes do not incur a performance penalty.
You can run their following to execute benchmarks:
```
go test ./... -bench=. -count=10
```
Benchmark results should be compared against each other with
[benchstat][benchstat]. Typical flow looks like this:
1. On the `v2` branch, run `go test ./... -bench=. -count 10` and save output to
a file (for example `old.txt`).
2. Make some code changes.
3. Run `go test ....` again, and save the output to an other file (for example
`new.txt`).
4. Run `benchstat old.txt new.txt` to check that time/op does not go up in any
test.
On Unix you can use `./ci.sh benchmark -d v2` to verify how your code impacts
performance.
It is highly encouraged to add the benchstat results to your pull request
description. Pull requests that lower performance will receive more scrutiny.
[benchstat]: https://pkg.go.dev/golang.org/x/perf/cmd/benchstat
### Style
Try to look around and follow the same format and structure as the rest of the
code. We enforce using `go fmt` on the whole code base.
---
## Maintainers-only
### Merge pull request
Checklist:
- Passing CI.
- Does not introduce backward-incompatible changes (unless discussed).
- Has relevant doc changes.
- Benchstat does not show performance regression.
- Pull request is [labeled appropriately][pr-labels].
- Title will be understandable in the changelog.
1. Merge using "squash and merge".
2. Make sure to edit the commit message to keep all the useful information
nice and clean.
3. Make sure the commit title is clear and contains the PR number (#123).
### New release
1. Decide on the next version number. Use semver. Review commits since last
version to assess.
2. Tag release. For example:
```
git checkout v2
git pull
git tag v2.2.0
git push --tags
```
3. CI automatically builds a draft GitHub release. Review it and edit as
necessary. Look for "Other changes". That would indicate a pull request not
labeled properly. Tweak labels and pull request titles until changelog looks
good for users.
4. Check "create discussion" box, in the "Releases" category.
5. If new version is an alpha or beta only, check pre-release box.
[issues-tracker]: https://github.com/pelletier/go-toml/issues
[bug-report]: https://github.com/pelletier/go-toml/issues/new?template=bug_report.md
[pkg.go.dev]: https://pkg.go.dev/github.com/pelletier/go-toml
[readme]: ./README.md
[fork]: https://help.github.com/articles/fork-a-repo
[pull-request]: https://help.github.com/en/articles/creating-a-pull-request
[new-release]: https://github.com/pelletier/go-toml/releases/new
[gh]: https://github.com/cli/cli
[pr-labels]: https://github.com/pelletier/go-toml/blob/v2/.github/release.yml

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FROM scratch
ENV PATH "$PATH:/bin"
COPY tomll /bin/tomll
COPY tomljson /bin/tomljson
COPY jsontoml /bin/jsontoml

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The MIT License (MIT)
go-toml v2
Copyright (c) 2021 - 2023 Thomas Pelletier
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# go-toml v2
Go library for the [TOML](https://toml.io/en/) format.
This library supports [TOML v1.0.0](https://toml.io/en/v1.0.0).
[🐞 Bug Reports](https://github.com/pelletier/go-toml/issues)
[💬 Anything else](https://github.com/pelletier/go-toml/discussions)
## Documentation
Full API, examples, and implementation notes are available in the Go
documentation.
[![Go Reference](https://pkg.go.dev/badge/github.com/pelletier/go-toml/v2.svg)](https://pkg.go.dev/github.com/pelletier/go-toml/v2)
## Import
```go
import "github.com/pelletier/go-toml/v2"
```
See [Modules](#Modules).
## Features
### Stdlib behavior
As much as possible, this library is designed to behave similarly as the
standard library's `encoding/json`.
### Performance
While go-toml favors usability, it is written with performance in mind. Most
operations should not be shockingly slow. See [benchmarks](#benchmarks).
### Strict mode
`Decoder` can be set to "strict mode", which makes it error when some parts of
the TOML document was not present in the target structure. This is a great way
to check for typos. [See example in the documentation][strict].
[strict]: https://pkg.go.dev/github.com/pelletier/go-toml/v2#example-Decoder.DisallowUnknownFields
### Contextualized errors
When most decoding errors occur, go-toml returns [`DecodeError`][decode-err],
which contains a human readable contextualized version of the error. For
example:
```
1| [server]
2| path = 100
| ~~~ cannot decode TOML integer into struct field toml_test.Server.Path of type string
3| port = 50
```
[decode-err]: https://pkg.go.dev/github.com/pelletier/go-toml/v2#DecodeError
### Local date and time support
TOML supports native [local date/times][ldt]. It allows to represent a given
date, time, or date-time without relation to a timezone or offset. To support
this use-case, go-toml provides [`LocalDate`][tld], [`LocalTime`][tlt], and
[`LocalDateTime`][tldt]. Those types can be transformed to and from `time.Time`,
making them convenient yet unambiguous structures for their respective TOML
representation.
[ldt]: https://toml.io/en/v1.0.0#local-date-time
[tld]: https://pkg.go.dev/github.com/pelletier/go-toml/v2#LocalDate
[tlt]: https://pkg.go.dev/github.com/pelletier/go-toml/v2#LocalTime
[tldt]: https://pkg.go.dev/github.com/pelletier/go-toml/v2#LocalDateTime
### Commented config
Since TOML is often used for configuration files, go-toml can emit documents
annotated with [comments and commented-out values][comments-example]. For
example, it can generate the following file:
```toml
# Host IP to connect to.
host = '127.0.0.1'
# Port of the remote server.
port = 4242
# Encryption parameters (optional)
# [TLS]
# cipher = 'AEAD-AES128-GCM-SHA256'
# version = 'TLS 1.3'
```
[comments-example]: https://pkg.go.dev/github.com/pelletier/go-toml/v2#example-Marshal-Commented
## Getting started
Given the following struct, let's see how to read it and write it as TOML:
```go
type MyConfig struct {
Version int
Name string
Tags []string
}
```
### Unmarshaling
[`Unmarshal`][unmarshal] reads a TOML document and fills a Go structure with its
content.
Note that the struct variable names are _capitalized_, while the variables in the toml document are _lowercase_.
For example:
```go
doc := `
version = 2
name = "go-toml"
tags = ["go", "toml"]
`
var cfg MyConfig
err := toml.Unmarshal([]byte(doc), &cfg)
if err != nil {
panic(err)
}
fmt.Println("version:", cfg.Version)
fmt.Println("name:", cfg.Name)
fmt.Println("tags:", cfg.Tags)
// Output:
// version: 2
// name: go-toml
// tags: [go toml]
```
[unmarshal]: https://pkg.go.dev/github.com/pelletier/go-toml/v2#Unmarshal
Here is an example using tables with some simple nesting:
```go
doc := `
age = 45
fruits = ["apple", "pear"]
# these are very important!
[my-variables]
first = 1
second = 0.2
third = "abc"
# this is not so important.
[my-variables.b]
bfirst = 123
`
var Document struct {
Age int
Fruits []string
Myvariables struct {
First int
Second float64
Third string
B struct {
Bfirst int
}
} `toml:"my-variables"`
}
err := toml.Unmarshal([]byte(doc), &Document)
if err != nil {
panic(err)
}
fmt.Println("age:", Document.Age)
fmt.Println("fruits:", Document.Fruits)
fmt.Println("my-variables.first:", Document.Myvariables.First)
fmt.Println("my-variables.second:", Document.Myvariables.Second)
fmt.Println("my-variables.third:", Document.Myvariables.Third)
fmt.Println("my-variables.B.Bfirst:", Document.Myvariables.B.Bfirst)
// Output:
// age: 45
// fruits: [apple pear]
// my-variables.first: 1
// my-variables.second: 0.2
// my-variables.third: abc
// my-variables.B.Bfirst: 123
```
### Marshaling
[`Marshal`][marshal] is the opposite of Unmarshal: it represents a Go structure
as a TOML document:
```go
cfg := MyConfig{
Version: 2,
Name: "go-toml",
Tags: []string{"go", "toml"},
}
b, err := toml.Marshal(cfg)
if err != nil {
panic(err)
}
fmt.Println(string(b))
// Output:
// Version = 2
// Name = 'go-toml'
// Tags = ['go', 'toml']
```
[marshal]: https://pkg.go.dev/github.com/pelletier/go-toml/v2#Marshal
## Unstable API
This API does not yet follow the backward compatibility guarantees of this
library. They provide early access to features that may have rough edges or an
API subject to change.
### Parser
Parser is the unstable API that allows iterative parsing of a TOML document at
the AST level. See https://pkg.go.dev/github.com/pelletier/go-toml/v2/unstable.
## Benchmarks
Execution time speedup compared to other Go TOML libraries:
<table>
<thead>
<tr><th>Benchmark</th><th>go-toml v1</th><th>BurntSushi/toml</th></tr>
</thead>
<tbody>
<tr><td>Marshal/HugoFrontMatter-2</td><td>2.1x</td><td>2.0x</td></tr>
<tr><td>Marshal/ReferenceFile/map-2</td><td>2.0x</td><td>2.0x</td></tr>
<tr><td>Marshal/ReferenceFile/struct-2</td><td>2.3x</td><td>2.5x</td></tr>
<tr><td>Unmarshal/HugoFrontMatter-2</td><td>3.3x</td><td>2.8x</td></tr>
<tr><td>Unmarshal/ReferenceFile/map-2</td><td>2.9x</td><td>3.0x</td></tr>
<tr><td>Unmarshal/ReferenceFile/struct-2</td><td>4.8x</td><td>5.0x</td></tr>
</tbody>
</table>
<details><summary>See more</summary>
<p>The table above has the results of the most common use-cases. The table below
contains the results of all benchmarks, including unrealistic ones. It is
provided for completeness.</p>
<table>
<thead>
<tr><th>Benchmark</th><th>go-toml v1</th><th>BurntSushi/toml</th></tr>
</thead>
<tbody>
<tr><td>Marshal/SimpleDocument/map-2</td><td>2.0x</td><td>2.9x</td></tr>
<tr><td>Marshal/SimpleDocument/struct-2</td><td>2.5x</td><td>3.6x</td></tr>
<tr><td>Unmarshal/SimpleDocument/map-2</td><td>4.2x</td><td>3.4x</td></tr>
<tr><td>Unmarshal/SimpleDocument/struct-2</td><td>5.9x</td><td>4.4x</td></tr>
<tr><td>UnmarshalDataset/example-2</td><td>3.2x</td><td>2.9x</td></tr>
<tr><td>UnmarshalDataset/code-2</td><td>2.4x</td><td>2.8x</td></tr>
<tr><td>UnmarshalDataset/twitter-2</td><td>2.7x</td><td>2.5x</td></tr>
<tr><td>UnmarshalDataset/citm_catalog-2</td><td>2.3x</td><td>2.3x</td></tr>
<tr><td>UnmarshalDataset/canada-2</td><td>1.9x</td><td>1.5x</td></tr>
<tr><td>UnmarshalDataset/config-2</td><td>5.4x</td><td>3.0x</td></tr>
<tr><td>geomean</td><td>2.9x</td><td>2.8x</td></tr>
</tbody>
</table>
<p>This table can be generated with <code>./ci.sh benchmark -a -html</code>.</p>
</details>
## Modules
go-toml uses Go's standard modules system.
Installation instructions:
- Go ≥ 1.16: Nothing to do. Use the import in your code. The `go` command deals
with it automatically.
- Go ≥ 1.13: `GO111MODULE=on go get github.com/pelletier/go-toml/v2`.
In case of trouble: [Go Modules FAQ][mod-faq].
[mod-faq]: https://github.com/golang/go/wiki/Modules#why-does-installing-a-tool-via-go-get-fail-with-error-cannot-find-main-module
## Tools
Go-toml provides three handy command line tools:
* `tomljson`: Reads a TOML file and outputs its JSON representation.
```
$ go install github.com/pelletier/go-toml/v2/cmd/tomljson@latest
$ tomljson --help
```
* `jsontoml`: Reads a JSON file and outputs a TOML representation.
```
$ go install github.com/pelletier/go-toml/v2/cmd/jsontoml@latest
$ jsontoml --help
```
* `tomll`: Lints and reformats a TOML file.
```
$ go install github.com/pelletier/go-toml/v2/cmd/tomll@latest
$ tomll --help
```
### Docker image
Those tools are also available as a [Docker image][docker]. For example, to use
`tomljson`:
```
docker run -i ghcr.io/pelletier/go-toml:v2 tomljson < example.toml
```
Multiple versions are available on [ghcr.io][docker].
[docker]: https://github.com/pelletier/go-toml/pkgs/container/go-toml
## Migrating from v1
This section describes the differences between v1 and v2, with some pointers on
how to get the original behavior when possible.
### Decoding / Unmarshal
#### Automatic field name guessing
When unmarshaling to a struct, if a key in the TOML document does not exactly
match the name of a struct field or any of the `toml`-tagged field, v1 tries
multiple variations of the key ([code][v1-keys]).
V2 instead does a case-insensitive matching, like `encoding/json`.
This could impact you if you are relying on casing to differentiate two fields,
and one of them is a not using the `toml` struct tag. The recommended solution
is to be specific about tag names for those fields using the `toml` struct tag.
[v1-keys]: https://github.com/pelletier/go-toml/blob/a2e52561804c6cd9392ebf0048ca64fe4af67a43/marshal.go#L775-L781
#### Ignore preexisting value in interface
When decoding into a non-nil `interface{}`, go-toml v1 uses the type of the
element in the interface to decode the object. For example:
```go
type inner struct {
B interface{}
}
type doc struct {
A interface{}
}
d := doc{
A: inner{
B: "Before",
},
}
data := `
[A]
B = "After"
`
toml.Unmarshal([]byte(data), &d)
fmt.Printf("toml v1: %#v\n", d)
// toml v1: main.doc{A:main.inner{B:"After"}}
```
In this case, field `A` is of type `interface{}`, containing a `inner` struct.
V1 sees that type and uses it when decoding the object.
When decoding an object into an `interface{}`, V2 instead disregards whatever
value the `interface{}` may contain and replaces it with a
`map[string]interface{}`. With the same data structure as above, here is what
the result looks like:
```go
toml.Unmarshal([]byte(data), &d)
fmt.Printf("toml v2: %#v\n", d)
// toml v2: main.doc{A:map[string]interface {}{"B":"After"}}
```
This is to match `encoding/json`'s behavior. There is no way to make the v2
decoder behave like v1.
#### Values out of array bounds ignored
When decoding into an array, v1 returns an error when the number of elements
contained in the doc is superior to the capacity of the array. For example:
```go
type doc struct {
A [2]string
}
d := doc{}
err := toml.Unmarshal([]byte(`A = ["one", "two", "many"]`), &d)
fmt.Println(err)
// (1, 1): unmarshal: TOML array length (3) exceeds destination array length (2)
```
In the same situation, v2 ignores the last value:
```go
err := toml.Unmarshal([]byte(`A = ["one", "two", "many"]`), &d)
fmt.Println("err:", err, "d:", d)
// err: <nil> d: {[one two]}
```
This is to match `encoding/json`'s behavior. There is no way to make the v2
decoder behave like v1.
#### Support for `toml.Unmarshaler` has been dropped
This method was not widely used, poorly defined, and added a lot of complexity.
A similar effect can be achieved by implementing the `encoding.TextUnmarshaler`
interface and use strings.
#### Support for `default` struct tag has been dropped
This feature adds complexity and a poorly defined API for an effect that can be
accomplished outside of the library.
It does not seem like other format parsers in Go support that feature (the
project referenced in the original ticket #202 has not been updated since 2017).
Given that go-toml v2 should not touch values not in the document, the same
effect can be achieved by pre-filling the struct with defaults (libraries like
[go-defaults][go-defaults] can help). Also, string representation is not well
defined for all types: it creates issues like #278.
The recommended replacement is pre-filling the struct before unmarshaling.
[go-defaults]: https://github.com/mcuadros/go-defaults
#### `toml.Tree` replacement
This structure was the initial attempt at providing a document model for
go-toml. It allows manipulating the structure of any document, encoding and
decoding from their TOML representation. While a more robust feature was
initially planned in go-toml v2, this has been ultimately [removed from
scope][nodoc] of this library, with no plan to add it back at the moment. The
closest equivalent at the moment would be to unmarshal into an `interface{}` and
use type assertions and/or reflection to manipulate the arbitrary
structure. However this would fall short of providing all of the TOML features
such as adding comments and be specific about whitespace.
#### `toml.Position` are not retrievable anymore
The API for retrieving the position (line, column) of a specific TOML element do
not exist anymore. This was done to minimize the amount of concepts introduced
by the library (query path), and avoid the performance hit related to storing
positions in the absence of a document model, for a feature that seemed to have
little use. Errors however have gained more detailed position
information. Position retrieval seems better fitted for a document model, which
has been [removed from the scope][nodoc] of go-toml v2 at the moment.
### Encoding / Marshal
#### Default struct fields order
V1 emits struct fields order alphabetically by default. V2 struct fields are
emitted in order they are defined. For example:
```go
type S struct {
B string
A string
}
data := S{
B: "B",
A: "A",
}
b, _ := tomlv1.Marshal(data)
fmt.Println("v1:\n" + string(b))
b, _ = tomlv2.Marshal(data)
fmt.Println("v2:\n" + string(b))
// Output:
// v1:
// A = "A"
// B = "B"
// v2:
// B = 'B'
// A = 'A'
```
There is no way to make v2 encoder behave like v1. A workaround could be to
manually sort the fields alphabetically in the struct definition, or generate
struct types using `reflect.StructOf`.
#### No indentation by default
V1 automatically indents content of tables by default. V2 does not. However the
same behavior can be obtained using [`Encoder.SetIndentTables`][sit]. For example:
```go
data := map[string]interface{}{
"table": map[string]string{
"key": "value",
},
}
b, _ := tomlv1.Marshal(data)
fmt.Println("v1:\n" + string(b))
b, _ = tomlv2.Marshal(data)
fmt.Println("v2:\n" + string(b))
buf := bytes.Buffer{}
enc := tomlv2.NewEncoder(&buf)
enc.SetIndentTables(true)
enc.Encode(data)
fmt.Println("v2 Encoder:\n" + string(buf.Bytes()))
// Output:
// v1:
//
// [table]
// key = "value"
//
// v2:
// [table]
// key = 'value'
//
//
// v2 Encoder:
// [table]
// key = 'value'
```
[sit]: https://pkg.go.dev/github.com/pelletier/go-toml/v2#Encoder.SetIndentTables
#### Keys and strings are single quoted
V1 always uses double quotes (`"`) around strings and keys that cannot be
represented bare (unquoted). V2 uses single quotes instead by default (`'`),
unless a character cannot be represented, then falls back to double quotes. As a
result of this change, `Encoder.QuoteMapKeys` has been removed, as it is not
useful anymore.
There is no way to make v2 encoder behave like v1.
#### `TextMarshaler` emits as a string, not TOML
Types that implement [`encoding.TextMarshaler`][tm] can emit arbitrary TOML in
v1. The encoder would append the result to the output directly. In v2 the result
is wrapped in a string. As a result, this interface cannot be implemented by the
root object.
There is no way to make v2 encoder behave like v1.
[tm]: https://golang.org/pkg/encoding/#TextMarshaler
#### `Encoder.CompactComments` has been removed
Emitting compact comments is now the default behavior of go-toml. This option
is not necessary anymore.
#### Struct tags have been merged
V1 used to provide multiple struct tags: `comment`, `commented`, `multiline`,
`toml`, and `omitempty`. To behave more like the standard library, v2 has merged
`toml`, `multiline`, `commented`, and `omitempty`. For example:
```go
type doc struct {
// v1
F string `toml:"field" multiline:"true" omitempty:"true" commented:"true"`
// v2
F string `toml:"field,multiline,omitempty,commented"`
}
```
Has a result, the `Encoder.SetTag*` methods have been removed, as there is just
one tag now.
#### `Encoder.ArraysWithOneElementPerLine` has been renamed
The new name is `Encoder.SetArraysMultiline`. The behavior should be the same.
#### `Encoder.Indentation` has been renamed
The new name is `Encoder.SetIndentSymbol`. The behavior should be the same.
#### Embedded structs behave like stdlib
V1 defaults to merging embedded struct fields into the embedding struct. This
behavior was unexpected because it does not follow the standard library. To
avoid breaking backward compatibility, the `Encoder.PromoteAnonymous` method was
added to make the encoder behave correctly. Given backward compatibility is not
a problem anymore, v2 does the right thing by default: it follows the behavior
of `encoding/json`. `Encoder.PromoteAnonymous` has been removed.
[nodoc]: https://github.com/pelletier/go-toml/discussions/506#discussioncomment-1526038
### `query`
go-toml v1 provided the [`go-toml/query`][query] package. It allowed to run
JSONPath-style queries on TOML files. This feature is not available in v2. For a
replacement, check out [dasel][dasel].
This package has been removed because it was essentially not supported anymore
(last commit May 2020), increased the complexity of the code base, and more
complete solutions exist out there.
[query]: https://github.com/pelletier/go-toml/tree/f99d6bbca119636aeafcf351ee52b3d202782627/query
[dasel]: https://github.com/TomWright/dasel
## Versioning
Expect for parts explicitly marked otherwise, go-toml follows [Semantic
Versioning](https://semver.org). The supported version of
[TOML](https://github.com/toml-lang/toml) is indicated at the beginning of this
document. The last two major versions of Go are supported (see [Go Release
Policy](https://golang.org/doc/devel/release.html#policy)).
## License
The MIT License (MIT). Read [LICENSE](LICENSE).

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# Security Policy
## Supported Versions
| Version | Supported |
| ---------- | ------------------ |
| Latest 2.x | :white_check_mark: |
| All 1.x | :x: |
| All 0.x | :x: |
## Reporting a Vulnerability
Email a vulnerability report to `security@pelletier.codes`. Make sure to include
as many details as possible to reproduce the vulnerability. This is a
side-project: I will try to get back to you as quickly as possible, time
permitting in my personal life. Providing a working patch helps very much!

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#!/usr/bin/env bash
stderr() {
echo "$@" 1>&2
}
usage() {
b=$(basename "$0")
echo $b: ERROR: "$@" 1>&2
cat 1>&2 <<EOF
DESCRIPTION
$(basename "$0") is the script to run continuous integration commands for
go-toml on unix.
Requires Go and Git to be available in the PATH. Expects to be ran from the
root of go-toml's Git repository.
USAGE
$b COMMAND [OPTIONS...]
COMMANDS
benchmark [OPTIONS...] [BRANCH]
Run benchmarks.
ARGUMENTS
BRANCH Optional. Defines which Git branch to use when running
benchmarks.
OPTIONS
-d Compare benchmarks of HEAD with BRANCH using benchstats. In
this form the BRANCH argument is required.
-a Compare benchmarks of HEAD against go-toml v1 and
BurntSushi/toml.
-html When used with -a, emits the output as HTML, ready to be
embedded in the README.
coverage [OPTIONS...] [BRANCH]
Generates code coverage.
ARGUMENTS
BRANCH Optional. Defines which Git branch to use when reporting
coverage. Defaults to HEAD.
OPTIONS
-d Compare coverage of HEAD with the one of BRANCH. In this form,
the BRANCH argument is required. Exit code is non-zero when
coverage percentage decreased.
EOF
exit 1
}
cover() {
branch="${1}"
dir="$(mktemp -d)"
stderr "Executing coverage for ${branch} at ${dir}"
if [ "${branch}" = "HEAD" ]; then
cp -r . "${dir}/"
else
git worktree add "$dir" "$branch"
fi
pushd "$dir"
go test -covermode=atomic -coverpkg=./... -coverprofile=coverage.out.tmp ./...
grep -Ev '(fuzz|testsuite|tomltestgen|gotoml-test-decoder|gotoml-test-encoder)' coverage.out.tmp > coverage.out
go tool cover -func=coverage.out
echo "Coverage profile for ${branch}: ${dir}/coverage.out" >&2
popd
if [ "${branch}" != "HEAD" ]; then
git worktree remove --force "$dir"
fi
}
coverage() {
case "$1" in
-d)
shift
target="${1?Need to provide a target branch argument}"
output_dir="$(mktemp -d)"
target_out="${output_dir}/target.txt"
head_out="${output_dir}/head.txt"
cover "${target}" > "${target_out}"
cover "HEAD" > "${head_out}"
cat "${target_out}"
cat "${head_out}"
echo ""
target_pct="$(tail -n2 ${target_out} | head -n1 | sed -E 's/.*total.*\t([0-9.]+)%.*/\1/')"
head_pct="$(tail -n2 ${head_out} | head -n1 | sed -E 's/.*total.*\t([0-9.]+)%/\1/')"
echo "Results: ${target} ${target_pct}% HEAD ${head_pct}%"
delta_pct=$(echo "$head_pct - $target_pct" | bc -l)
echo "Delta: ${delta_pct}"
if [[ $delta_pct = \-* ]]; then
echo "Regression!";
target_diff="${output_dir}/target.diff.txt"
head_diff="${output_dir}/head.diff.txt"
cat "${target_out}" | grep -E '^github.com/pelletier/go-toml' | tr -s "\t " | cut -f 2,3 | sort > "${target_diff}"
cat "${head_out}" | grep -E '^github.com/pelletier/go-toml' | tr -s "\t " | cut -f 2,3 | sort > "${head_diff}"
diff --side-by-side --suppress-common-lines "${target_diff}" "${head_diff}"
return 1
fi
return 0
;;
esac
cover "${1-HEAD}"
}
bench() {
branch="${1}"
out="${2}"
replace="${3}"
dir="$(mktemp -d)"
stderr "Executing benchmark for ${branch} at ${dir}"
if [ "${branch}" = "HEAD" ]; then
cp -r . "${dir}/"
else
git worktree add "$dir" "$branch"
fi
pushd "$dir"
if [ "${replace}" != "" ]; then
find ./benchmark/ -iname '*.go' -exec sed -i -E "s|github.com/pelletier/go-toml/v2\"|${replace}\"|g" {} \;
go get "${replace}"
fi
export GOMAXPROCS=2
go test '-bench=^Benchmark(Un)?[mM]arshal' -count=10 -run=Nothing ./... | tee "${out}"
popd
if [ "${branch}" != "HEAD" ]; then
git worktree remove --force "$dir"
fi
}
fmktemp() {
if mktemp --version &> /dev/null; then
# GNU
mktemp --suffix=-$1
else
# BSD
mktemp -t $1
fi
}
benchstathtml() {
python3 - $1 <<'EOF'
import sys
lines = []
stop = False
with open(sys.argv[1]) as f:
for line in f.readlines():
line = line.strip()
if line == "":
stop = True
if not stop:
lines.append(line.split(','))
results = []
for line in reversed(lines[2:]):
if len(line) < 8 or line[0] == "":
continue
v2 = float(line[1])
results.append([
line[0].replace("-32", ""),
"%.1fx" % (float(line[3])/v2), # v1
"%.1fx" % (float(line[7])/v2), # bs
])
if not results:
print("No benchmark results to display.", file=sys.stderr)
sys.exit(1)
# move geomean to the end
results.append(results[0])
del results[0]
def printtable(data):
print("""
<table>
<thead>
<tr><th>Benchmark</th><th>go-toml v1</th><th>BurntSushi/toml</th></tr>
</thead>
<tbody>""")
for r in data:
print(" <tr><td>{}</td><td>{}</td><td>{}</td></tr>".format(*r))
print(""" </tbody>
</table>""")
def match(x):
return "ReferenceFile" in x[0] or "HugoFrontMatter" in x[0]
above = [x for x in results if match(x)]
below = [x for x in results if not match(x)]
printtable(above)
print("<details><summary>See more</summary>")
print("""<p>The table above has the results of the most common use-cases. The table below
contains the results of all benchmarks, including unrealistic ones. It is
provided for completeness.</p>""")
printtable(below)
print('<p>This table can be generated with <code>./ci.sh benchmark -a -html</code>.</p>')
print("</details>")
EOF
}
benchmark() {
case "$1" in
-d)
shift
target="${1?Need to provide a target branch argument}"
old=`fmktemp ${target}`
bench "${target}" "${old}"
new=`fmktemp HEAD`
bench HEAD "${new}"
benchstat "${old}" "${new}"
return 0
;;
-a)
shift
v2stats=`fmktemp go-toml-v2`
bench HEAD "${v2stats}" "github.com/pelletier/go-toml/v2"
v1stats=`fmktemp go-toml-v1`
bench HEAD "${v1stats}" "github.com/pelletier/go-toml"
bsstats=`fmktemp bs-toml`
bench HEAD "${bsstats}" "github.com/BurntSushi/toml"
cp "${v2stats}" go-toml-v2.txt
cp "${v1stats}" go-toml-v1.txt
cp "${bsstats}" bs-toml.txt
if [ "$1" = "-html" ]; then
tmpcsv=`fmktemp csv`
benchstat -format csv go-toml-v2.txt go-toml-v1.txt bs-toml.txt > $tmpcsv
benchstathtml $tmpcsv
else
benchstat go-toml-v2.txt go-toml-v1.txt bs-toml.txt
fi
rm -f go-toml-v2.txt go-toml-v1.txt bs-toml.txt
return $?
esac
bench "${1-HEAD}" `mktemp`
}
case "$1" in
coverage) shift; coverage $@;;
benchmark) shift; benchmark $@;;
*) usage "bad argument $1";;
esac

549
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package toml
import (
"fmt"
"math"
"strconv"
"time"
"github.com/pelletier/go-toml/v2/unstable"
)
func parseInteger(b []byte) (int64, error) {
if len(b) > 2 && b[0] == '0' {
switch b[1] {
case 'x':
return parseIntHex(b)
case 'b':
return parseIntBin(b)
case 'o':
return parseIntOct(b)
default:
panic(fmt.Errorf("invalid base '%c', should have been checked by scanIntOrFloat", b[1]))
}
}
return parseIntDec(b)
}
func parseLocalDate(b []byte) (LocalDate, error) {
// full-date = date-fullyear "-" date-month "-" date-mday
// date-fullyear = 4DIGIT
// date-month = 2DIGIT ; 01-12
// date-mday = 2DIGIT ; 01-28, 01-29, 01-30, 01-31 based on month/year
var date LocalDate
if len(b) != 10 || b[4] != '-' || b[7] != '-' {
return date, unstable.NewParserError(b, "dates are expected to have the format YYYY-MM-DD")
}
var err error
date.Year, err = parseDecimalDigits(b[0:4])
if err != nil {
return LocalDate{}, err
}
date.Month, err = parseDecimalDigits(b[5:7])
if err != nil {
return LocalDate{}, err
}
date.Day, err = parseDecimalDigits(b[8:10])
if err != nil {
return LocalDate{}, err
}
if !isValidDate(date.Year, date.Month, date.Day) {
return LocalDate{}, unstable.NewParserError(b, "impossible date")
}
return date, nil
}
func parseDecimalDigits(b []byte) (int, error) {
v := 0
for i, c := range b {
if c < '0' || c > '9' {
return 0, unstable.NewParserError(b[i:i+1], "expected digit (0-9)")
}
v *= 10
v += int(c - '0')
}
return v, nil
}
func parseDateTime(b []byte) (time.Time, error) {
// offset-date-time = full-date time-delim full-time
// full-time = partial-time time-offset
// time-offset = "Z" / time-numoffset
// time-numoffset = ( "+" / "-" ) time-hour ":" time-minute
dt, b, err := parseLocalDateTime(b)
if err != nil {
return time.Time{}, err
}
var zone *time.Location
if len(b) == 0 {
// parser should have checked that when assigning the date time node
panic("date time should have a timezone")
}
if b[0] == 'Z' || b[0] == 'z' {
b = b[1:]
zone = time.UTC
} else {
const dateTimeByteLen = 6
if len(b) != dateTimeByteLen {
return time.Time{}, unstable.NewParserError(b, "invalid date-time timezone")
}
var direction int
switch b[0] {
case '-':
direction = -1
case '+':
direction = +1
default:
return time.Time{}, unstable.NewParserError(b[:1], "invalid timezone offset character")
}
if b[3] != ':' {
return time.Time{}, unstable.NewParserError(b[3:4], "expected a : separator")
}
hours, err := parseDecimalDigits(b[1:3])
if err != nil {
return time.Time{}, err
}
if hours > 23 {
return time.Time{}, unstable.NewParserError(b[:1], "invalid timezone offset hours")
}
minutes, err := parseDecimalDigits(b[4:6])
if err != nil {
return time.Time{}, err
}
if minutes > 59 {
return time.Time{}, unstable.NewParserError(b[:1], "invalid timezone offset minutes")
}
seconds := direction * (hours*3600 + minutes*60)
if seconds == 0 {
zone = time.UTC
} else {
zone = time.FixedZone("", seconds)
}
b = b[dateTimeByteLen:]
}
if len(b) > 0 {
return time.Time{}, unstable.NewParserError(b, "extra bytes at the end of the timezone")
}
t := time.Date(
dt.Year,
time.Month(dt.Month),
dt.Day,
dt.Hour,
dt.Minute,
dt.Second,
dt.Nanosecond,
zone)
return t, nil
}
func parseLocalDateTime(b []byte) (LocalDateTime, []byte, error) {
var dt LocalDateTime
const localDateTimeByteMinLen = 11
if len(b) < localDateTimeByteMinLen {
return dt, nil, unstable.NewParserError(b, "local datetimes are expected to have the format YYYY-MM-DDTHH:MM:SS[.NNNNNNNNN]")
}
date, err := parseLocalDate(b[:10])
if err != nil {
return dt, nil, err
}
dt.LocalDate = date
sep := b[10]
if sep != 'T' && sep != ' ' && sep != 't' {
return dt, nil, unstable.NewParserError(b[10:11], "datetime separator is expected to be T or a space")
}
t, rest, err := parseLocalTime(b[11:])
if err != nil {
return dt, nil, err
}
dt.LocalTime = t
return dt, rest, nil
}
// parseLocalTime is a bit different because it also returns the remaining
// []byte that is didn't need. This is to allow parseDateTime to parse those
// remaining bytes as a timezone.
func parseLocalTime(b []byte) (LocalTime, []byte, error) {
var (
nspow = [10]int{0, 1e8, 1e7, 1e6, 1e5, 1e4, 1e3, 1e2, 1e1, 1e0}
t LocalTime
)
// check if b matches to have expected format HH:MM:SS[.NNNNNN]
const localTimeByteLen = 8
if len(b) < localTimeByteLen {
return t, nil, unstable.NewParserError(b, "times are expected to have the format HH:MM:SS[.NNNNNN]")
}
var err error
t.Hour, err = parseDecimalDigits(b[0:2])
if err != nil {
return t, nil, err
}
if t.Hour > 23 {
return t, nil, unstable.NewParserError(b[0:2], "hour cannot be greater 23")
}
if b[2] != ':' {
return t, nil, unstable.NewParserError(b[2:3], "expecting colon between hours and minutes")
}
t.Minute, err = parseDecimalDigits(b[3:5])
if err != nil {
return t, nil, err
}
if t.Minute > 59 {
return t, nil, unstable.NewParserError(b[3:5], "minutes cannot be greater 59")
}
if b[5] != ':' {
return t, nil, unstable.NewParserError(b[5:6], "expecting colon between minutes and seconds")
}
t.Second, err = parseDecimalDigits(b[6:8])
if err != nil {
return t, nil, err
}
if t.Second > 59 {
return t, nil, unstable.NewParserError(b[6:8], "seconds cannot be greater than 59")
}
b = b[8:]
if len(b) >= 1 && b[0] == '.' {
frac := 0
precision := 0
digits := 0
for i, c := range b[1:] {
if !isDigit(c) {
if i == 0 {
return t, nil, unstable.NewParserError(b[0:1], "need at least one digit after fraction point")
}
break
}
digits++
const maxFracPrecision = 9
if i >= maxFracPrecision {
// go-toml allows decoding fractional seconds
// beyond the supported precision of 9
// digits. It truncates the fractional component
// to the supported precision and ignores the
// remaining digits.
//
// https://github.com/pelletier/go-toml/discussions/707
continue
}
frac *= 10
frac += int(c - '0')
precision++
}
if precision == 0 {
return t, nil, unstable.NewParserError(b[:1], "nanoseconds need at least one digit")
}
t.Nanosecond = frac * nspow[precision]
t.Precision = precision
return t, b[1+digits:], nil
}
return t, b, nil
}
func parseFloat(b []byte) (float64, error) {
if len(b) == 4 && (b[0] == '+' || b[0] == '-') && b[1] == 'n' && b[2] == 'a' && b[3] == 'n' {
return math.NaN(), nil
}
cleaned, err := checkAndRemoveUnderscoresFloats(b)
if err != nil {
return 0, err
}
if cleaned[0] == '.' {
return 0, unstable.NewParserError(b, "float cannot start with a dot")
}
if cleaned[len(cleaned)-1] == '.' {
return 0, unstable.NewParserError(b, "float cannot end with a dot")
}
dotAlreadySeen := false
for i, c := range cleaned {
if c == '.' {
if dotAlreadySeen {
return 0, unstable.NewParserError(b[i:i+1], "float can have at most one decimal point")
}
if !isDigit(cleaned[i-1]) {
return 0, unstable.NewParserError(b[i-1:i+1], "float decimal point must be preceded by a digit")
}
if !isDigit(cleaned[i+1]) {
return 0, unstable.NewParserError(b[i:i+2], "float decimal point must be followed by a digit")
}
dotAlreadySeen = true
}
}
start := 0
if cleaned[0] == '+' || cleaned[0] == '-' {
start = 1
}
if cleaned[start] == '0' && len(cleaned) > start+1 && isDigit(cleaned[start+1]) {
return 0, unstable.NewParserError(b, "float integer part cannot have leading zeroes")
}
f, err := strconv.ParseFloat(string(cleaned), 64)
if err != nil {
return 0, unstable.NewParserError(b, "unable to parse float: %w", err)
}
return f, nil
}
func parseIntHex(b []byte) (int64, error) {
cleaned, err := checkAndRemoveUnderscoresIntegers(b[2:])
if err != nil {
return 0, err
}
i, err := strconv.ParseInt(string(cleaned), 16, 64)
if err != nil {
return 0, unstable.NewParserError(b, "couldn't parse hexadecimal number: %w", err)
}
return i, nil
}
func parseIntOct(b []byte) (int64, error) {
cleaned, err := checkAndRemoveUnderscoresIntegers(b[2:])
if err != nil {
return 0, err
}
i, err := strconv.ParseInt(string(cleaned), 8, 64)
if err != nil {
return 0, unstable.NewParserError(b, "couldn't parse octal number: %w", err)
}
return i, nil
}
func parseIntBin(b []byte) (int64, error) {
cleaned, err := checkAndRemoveUnderscoresIntegers(b[2:])
if err != nil {
return 0, err
}
i, err := strconv.ParseInt(string(cleaned), 2, 64)
if err != nil {
return 0, unstable.NewParserError(b, "couldn't parse binary number: %w", err)
}
return i, nil
}
func isSign(b byte) bool {
return b == '+' || b == '-'
}
func parseIntDec(b []byte) (int64, error) {
cleaned, err := checkAndRemoveUnderscoresIntegers(b)
if err != nil {
return 0, err
}
startIdx := 0
if isSign(cleaned[0]) {
startIdx++
}
if len(cleaned) > startIdx+1 && cleaned[startIdx] == '0' {
return 0, unstable.NewParserError(b, "leading zero not allowed on decimal number")
}
i, err := strconv.ParseInt(string(cleaned), 10, 64)
if err != nil {
return 0, unstable.NewParserError(b, "couldn't parse decimal number: %w", err)
}
return i, nil
}
func checkAndRemoveUnderscoresIntegers(b []byte) ([]byte, error) {
start := 0
if b[start] == '+' || b[start] == '-' {
start++
}
if len(b) == start {
return b, nil
}
if b[start] == '_' {
return nil, unstable.NewParserError(b[start:start+1], "number cannot start with underscore")
}
if b[len(b)-1] == '_' {
return nil, unstable.NewParserError(b[len(b)-1:], "number cannot end with underscore")
}
// fast path
i := 0
for ; i < len(b); i++ {
if b[i] == '_' {
break
}
}
if i == len(b) {
return b, nil
}
before := false
cleaned := make([]byte, i, len(b))
copy(cleaned, b)
for i++; i < len(b); i++ {
c := b[i]
if c == '_' {
if !before {
return nil, unstable.NewParserError(b[i-1:i+1], "number must have at least one digit between underscores")
}
before = false
} else {
before = true
cleaned = append(cleaned, c)
}
}
return cleaned, nil
}
func checkAndRemoveUnderscoresFloats(b []byte) ([]byte, error) {
if b[0] == '_' {
return nil, unstable.NewParserError(b[0:1], "number cannot start with underscore")
}
if b[len(b)-1] == '_' {
return nil, unstable.NewParserError(b[len(b)-1:], "number cannot end with underscore")
}
// fast path
i := 0
for ; i < len(b); i++ {
if b[i] == '_' {
break
}
}
if i == len(b) {
return b, nil
}
before := false
cleaned := make([]byte, 0, len(b))
for i := 0; i < len(b); i++ {
c := b[i]
switch c {
case '_':
if !before {
return nil, unstable.NewParserError(b[i-1:i+1], "number must have at least one digit between underscores")
}
if i < len(b)-1 && (b[i+1] == 'e' || b[i+1] == 'E') {
return nil, unstable.NewParserError(b[i+1:i+2], "cannot have underscore before exponent")
}
before = false
case '+', '-':
// signed exponents
cleaned = append(cleaned, c)
before = false
case 'e', 'E':
if i < len(b)-1 && b[i+1] == '_' {
return nil, unstable.NewParserError(b[i+1:i+2], "cannot have underscore after exponent")
}
cleaned = append(cleaned, c)
case '.':
if i < len(b)-1 && b[i+1] == '_' {
return nil, unstable.NewParserError(b[i+1:i+2], "cannot have underscore after decimal point")
}
if i > 0 && b[i-1] == '_' {
return nil, unstable.NewParserError(b[i-1:i], "cannot have underscore before decimal point")
}
cleaned = append(cleaned, c)
default:
before = true
cleaned = append(cleaned, c)
}
}
return cleaned, nil
}
// isValidDate checks if a provided date is a date that exists.
func isValidDate(year int, month int, day int) bool {
return month > 0 && month < 13 && day > 0 && day <= daysIn(month, year)
}
// daysBefore[m] counts the number of days in a non-leap year
// before month m begins. There is an entry for m=12, counting
// the number of days before January of next year (365).
var daysBefore = [...]int32{
0,
31,
31 + 28,
31 + 28 + 31,
31 + 28 + 31 + 30,
31 + 28 + 31 + 30 + 31,
31 + 28 + 31 + 30 + 31 + 30,
31 + 28 + 31 + 30 + 31 + 30 + 31,
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31,
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30,
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31,
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30,
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31,
}
func daysIn(m int, year int) int {
if m == 2 && isLeap(year) {
return 29
}
return int(daysBefore[m] - daysBefore[m-1])
}
func isLeap(year int) bool {
return year%4 == 0 && (year%100 != 0 || year%400 == 0)
}
func isDigit(r byte) bool {
return r >= '0' && r <= '9'
}

2
vendor/github.com/pelletier/go-toml/v2/doc.go generated vendored Normal file
View File

@@ -0,0 +1,2 @@
// Package toml is a library to read and write TOML documents.
package toml

283
vendor/github.com/pelletier/go-toml/v2/errors.go generated vendored Normal file
View File

@@ -0,0 +1,283 @@
package toml
import (
"fmt"
"reflect"
"strconv"
"strings"
"github.com/pelletier/go-toml/v2/unstable"
)
// DecodeError represents an error encountered during the parsing or decoding
// of a TOML document.
//
// In addition to the error message, it contains the position in the document
// where it happened, as well as a human-readable representation that shows
// where the error occurred in the document.
type DecodeError struct {
message string
line int
column int
key Key
human string
}
// StrictMissingError occurs in a TOML document that does not have a
// corresponding field in the target value. It contains all the missing fields
// in Errors.
//
// Emitted by Decoder when DisallowUnknownFields() was called.
type StrictMissingError struct {
// One error per field that could not be found.
Errors []DecodeError
}
// Error returns the canonical string for this error.
func (s *StrictMissingError) Error() string {
return "strict mode: fields in the document are missing in the target struct"
}
// String returns a human readable description of all errors.
func (s *StrictMissingError) String() string {
var buf strings.Builder
for i, e := range s.Errors {
if i > 0 {
buf.WriteString("\n---\n")
}
buf.WriteString(e.String())
}
return buf.String()
}
// Unwrap returns wrapped decode errors
//
// Implements errors.Join() interface.
func (s *StrictMissingError) Unwrap() []error {
errs := make([]error, len(s.Errors))
for i := range s.Errors {
errs[i] = &s.Errors[i]
}
return errs
}
// Key represents a TOML key as a sequence of key parts.
type Key []string
// Error returns the error message contained in the DecodeError.
func (e *DecodeError) Error() string {
return "toml: " + e.message
}
// String returns the human-readable contextualized error. This string is multi-line.
func (e *DecodeError) String() string {
return e.human
}
// Position returns the (line, column) pair indicating where the error
// occurred in the document. Positions are 1-indexed.
func (e *DecodeError) Position() (row int, column int) {
return e.line, e.column
}
// Key that was being processed when the error occurred. The key is present only
// if this DecodeError is part of a StrictMissingError.
func (e *DecodeError) Key() Key {
return e.key
}
// wrapDecodeError creates a DecodeError referencing a highlighted
// range of bytes from document.
//
// highlight needs to be a sub-slice of document, or this function panics.
//
// The function copies all bytes used in DecodeError, so that document and
// highlight can be freely deallocated.
//
//nolint:funlen
func wrapDecodeError(document []byte, de *unstable.ParserError) *DecodeError {
offset := subsliceOffset(document, de.Highlight)
errMessage := de.Error()
errLine, errColumn := positionAtEnd(document[:offset])
before, after := linesOfContext(document, de.Highlight, offset, 3)
var buf strings.Builder
maxLine := errLine + len(after) - 1
lineColumnWidth := len(strconv.Itoa(maxLine))
// Write the lines of context strictly before the error.
for i := len(before) - 1; i > 0; i-- {
line := errLine - i
buf.WriteString(formatLineNumber(line, lineColumnWidth))
buf.WriteString("|")
if len(before[i]) > 0 {
buf.WriteString(" ")
buf.Write(before[i])
}
buf.WriteRune('\n')
}
// Write the document line that contains the error.
buf.WriteString(formatLineNumber(errLine, lineColumnWidth))
buf.WriteString("| ")
if len(before) > 0 {
buf.Write(before[0])
}
buf.Write(de.Highlight)
if len(after) > 0 {
buf.Write(after[0])
}
buf.WriteRune('\n')
// Write the line with the error message itself (so it does not have a line
// number).
buf.WriteString(strings.Repeat(" ", lineColumnWidth))
buf.WriteString("| ")
if len(before) > 0 {
buf.WriteString(strings.Repeat(" ", len(before[0])))
}
buf.WriteString(strings.Repeat("~", len(de.Highlight)))
if len(errMessage) > 0 {
buf.WriteString(" ")
buf.WriteString(errMessage)
}
// Write the lines of context strictly after the error.
for i := 1; i < len(after); i++ {
buf.WriteRune('\n')
line := errLine + i
buf.WriteString(formatLineNumber(line, lineColumnWidth))
buf.WriteString("|")
if len(after[i]) > 0 {
buf.WriteString(" ")
buf.Write(after[i])
}
}
return &DecodeError{
message: errMessage,
line: errLine,
column: errColumn,
key: de.Key,
human: buf.String(),
}
}
func formatLineNumber(line int, width int) string {
format := "%" + strconv.Itoa(width) + "d"
return fmt.Sprintf(format, line)
}
func linesOfContext(document []byte, highlight []byte, offset int, linesAround int) ([][]byte, [][]byte) {
return beforeLines(document, offset, linesAround), afterLines(document, highlight, offset, linesAround)
}
func beforeLines(document []byte, offset int, linesAround int) [][]byte {
var beforeLines [][]byte
// Walk the document backward from the highlight to find previous lines
// of context.
rest := document[:offset]
backward:
for o := len(rest) - 1; o >= 0 && len(beforeLines) <= linesAround && len(rest) > 0; {
switch {
case rest[o] == '\n':
// handle individual lines
beforeLines = append(beforeLines, rest[o+1:])
rest = rest[:o]
o = len(rest) - 1
case o == 0:
// add the first line only if it's non-empty
beforeLines = append(beforeLines, rest)
break backward
default:
o--
}
}
return beforeLines
}
func afterLines(document []byte, highlight []byte, offset int, linesAround int) [][]byte {
var afterLines [][]byte
// Walk the document forward from the highlight to find the following
// lines of context.
rest := document[offset+len(highlight):]
forward:
for o := 0; o < len(rest) && len(afterLines) <= linesAround; {
switch {
case rest[o] == '\n':
// handle individual lines
afterLines = append(afterLines, rest[:o])
rest = rest[o+1:]
o = 0
case o == len(rest)-1:
// add last line only if it's non-empty
afterLines = append(afterLines, rest)
break forward
default:
o++
}
}
return afterLines
}
func positionAtEnd(b []byte) (row int, column int) {
row = 1
column = 1
for _, c := range b {
if c == '\n' {
row++
column = 1
} else {
column++
}
}
return row, column
}
// subsliceOffset returns the byte offset of subslice within data.
// subslice must share the same backing array as data.
func subsliceOffset(data []byte, subslice []byte) int {
if len(subslice) == 0 {
return 0
}
// Use reflect to get the data pointers of both slices.
// This is safe because we're only reading the pointer values for comparison.
dataPtr := reflect.ValueOf(data).Pointer()
subPtr := reflect.ValueOf(subslice).Pointer()
offset := int(subPtr - dataPtr)
if offset < 0 || offset > len(data) {
panic("subslice is not within data")
}
return offset
}

View File

@@ -0,0 +1,42 @@
package characters
var invalidASCIITable = [256]bool{
0x00: true,
0x01: true,
0x02: true,
0x03: true,
0x04: true,
0x05: true,
0x06: true,
0x07: true,
0x08: true,
// 0x09 TAB
// 0x0A LF
0x0B: true,
0x0C: true,
// 0x0D CR
0x0E: true,
0x0F: true,
0x10: true,
0x11: true,
0x12: true,
0x13: true,
0x14: true,
0x15: true,
0x16: true,
0x17: true,
0x18: true,
0x19: true,
0x1A: true,
0x1B: true,
0x1C: true,
0x1D: true,
0x1E: true,
0x1F: true,
// 0x20 - 0x7E Printable ASCII characters
0x7F: true,
}
func InvalidASCII(b byte) bool {
return invalidASCIITable[b]
}

View File

@@ -0,0 +1,175 @@
// Package characters provides functions for working with string encodings.
package characters
import (
"unicode/utf8"
)
// Utf8TomlValidAlreadyEscaped verifies that a given string is only made of
// valid UTF-8 characters allowed by the TOML spec:
//
// Any Unicode character may be used except those that must be escaped:
// quotation mark, backslash, and the control characters other than tab (U+0000
// to U+0008, U+000A to U+001F, U+007F).
//
// It is a copy of the Go 1.17 utf8.Valid implementation, tweaked to exit early
// when a character is not allowed.
//
// The returned slice is empty if the string is valid, or contains the bytes
// of the invalid character.
//
// quotation mark => already checked
// backslash => already checked
// 0-0x8 => invalid
// 0x9 => tab, ok
// 0xA - 0x1F => invalid
// 0x7F => invalid
func Utf8TomlValidAlreadyEscaped(p []byte) []byte {
// Fast path. Check for and skip 8 bytes of ASCII characters per iteration.
for len(p) >= 8 {
// Combining two 32 bit loads allows the same code to be used
// for 32 and 64 bit platforms.
// The compiler can generate a 32bit load for first32 and second32
// on many platforms. See test/codegen/memcombine.go.
first32 := uint32(p[0]) | uint32(p[1])<<8 | uint32(p[2])<<16 | uint32(p[3])<<24
second32 := uint32(p[4]) | uint32(p[5])<<8 | uint32(p[6])<<16 | uint32(p[7])<<24
if (first32|second32)&0x80808080 != 0 {
// Found a non ASCII byte (>= RuneSelf).
break
}
for i, b := range p[:8] {
if InvalidASCII(b) {
return p[i : i+1]
}
}
p = p[8:]
}
n := len(p)
for i := 0; i < n; {
pi := p[i]
if pi < utf8.RuneSelf {
if InvalidASCII(pi) {
return p[i : i+1]
}
i++
continue
}
x := first[pi]
if x == xx {
// Illegal starter byte.
return p[i : i+1]
}
size := int(x & 7)
if i+size > n {
// Short or invalid.
return p[i:n]
}
accept := acceptRanges[x>>4]
if c := p[i+1]; c < accept.lo || accept.hi < c {
return p[i : i+2]
} else if size == 2 { //revive:disable:empty-block
} else if c := p[i+2]; c < locb || hicb < c {
return p[i : i+3]
} else if size == 3 { //revive:disable:empty-block
} else if c := p[i+3]; c < locb || hicb < c {
return p[i : i+4]
}
i += size
}
return nil
}
// Utf8ValidNext returns the size of the next rune if valid, 0 otherwise.
func Utf8ValidNext(p []byte) int {
c := p[0]
if c < utf8.RuneSelf {
if InvalidASCII(c) {
return 0
}
return 1
}
x := first[c]
if x == xx {
// Illegal starter byte.
return 0
}
size := int(x & 7)
if size > len(p) {
// Short or invalid.
return 0
}
accept := acceptRanges[x>>4]
if c := p[1]; c < accept.lo || accept.hi < c {
return 0
} else if size == 2 { //nolint:revive
} else if c := p[2]; c < locb || hicb < c {
return 0
} else if size == 3 { //nolint:revive
} else if c := p[3]; c < locb || hicb < c {
return 0
}
return size
}
// acceptRange gives the range of valid values for the second byte in a UTF-8
// sequence.
type acceptRange struct {
lo uint8 // lowest value for second byte.
hi uint8 // highest value for second byte.
}
// acceptRanges has size 16 to avoid bounds checks in the code that uses it.
var acceptRanges = [16]acceptRange{
0: {locb, hicb},
1: {0xA0, hicb},
2: {locb, 0x9F},
3: {0x90, hicb},
4: {locb, 0x8F},
}
// first is information about the first byte in a UTF-8 sequence.
var first = [256]uint8{
// 1 2 3 4 5 6 7 8 9 A B C D E F
as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, // 0x00-0x0F
as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, // 0x10-0x1F
as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, // 0x20-0x2F
as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, // 0x30-0x3F
as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, // 0x40-0x4F
as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, // 0x50-0x5F
as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, // 0x60-0x6F
as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, // 0x70-0x7F
// 1 2 3 4 5 6 7 8 9 A B C D E F
xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, // 0x80-0x8F
xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, // 0x90-0x9F
xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, // 0xA0-0xAF
xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, // 0xB0-0xBF
xx, xx, s1, s1, s1, s1, s1, s1, s1, s1, s1, s1, s1, s1, s1, s1, // 0xC0-0xCF
s1, s1, s1, s1, s1, s1, s1, s1, s1, s1, s1, s1, s1, s1, s1, s1, // 0xD0-0xDF
s2, s3, s3, s3, s3, s3, s3, s3, s3, s3, s3, s3, s3, s4, s3, s3, // 0xE0-0xEF
s5, s6, s6, s6, s7, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, xx, // 0xF0-0xFF
}
const (
// The default lowest and highest continuation byte.
locb = 0b10000000
hicb = 0b10111111
// These names of these constants are chosen to give nice alignment in the
// table below. The first nibble is an index into acceptRanges or F for
// special one-byte cases. The second nibble is the Rune length or the
// Status for the special one-byte case.
xx = 0xF1 // invalid: size 1
as = 0xF0 // ASCII: size 1
s1 = 0x02 // accept 0, size 2
s2 = 0x13 // accept 1, size 3
s3 = 0x03 // accept 0, size 3
s4 = 0x23 // accept 2, size 3
s5 = 0x34 // accept 3, size 4
s6 = 0x04 // accept 0, size 4
s7 = 0x44 // accept 4, size 4
)

View File

@@ -0,0 +1,48 @@
package tracker
import "github.com/pelletier/go-toml/v2/unstable"
// KeyTracker is a tracker that keeps track of the current Key as the AST is
// walked.
type KeyTracker struct {
k []string
}
// UpdateTable sets the state of the tracker with the AST table node.
func (t *KeyTracker) UpdateTable(node *unstable.Node) {
t.reset()
t.Push(node)
}
// UpdateArrayTable sets the state of the tracker with the AST array table node.
func (t *KeyTracker) UpdateArrayTable(node *unstable.Node) {
t.reset()
t.Push(node)
}
// Push the given key on the stack.
func (t *KeyTracker) Push(node *unstable.Node) {
it := node.Key()
for it.Next() {
t.k = append(t.k, string(it.Node().Data))
}
}
// Pop key from stack.
func (t *KeyTracker) Pop(node *unstable.Node) {
it := node.Key()
for it.Next() {
t.k = t.k[:len(t.k)-1]
}
}
// Key returns the current key.
func (t *KeyTracker) Key() []string {
k := make([]string, len(t.k))
copy(k, t.k)
return k
}
func (t *KeyTracker) reset() {
t.k = t.k[:0]
}

View File

@@ -0,0 +1,359 @@
package tracker
import (
"bytes"
"fmt"
"sync"
"github.com/pelletier/go-toml/v2/unstable"
)
type keyKind uint8
const (
invalidKind keyKind = iota
valueKind
tableKind
arrayTableKind
)
func (k keyKind) String() string {
switch k {
case invalidKind:
return "invalid"
case valueKind:
return "value"
case tableKind:
return "table"
case arrayTableKind:
return "array table"
}
panic("missing keyKind string mapping")
}
// SeenTracker tracks which keys have been seen with which TOML type to flag
// duplicates and mismatches according to the spec.
//
// Each node in the visited tree is represented by an entry. Each entry has an
// identifier, which is provided by a counter. Entries are stored in the array
// entries. As new nodes are discovered (referenced for the first time in the
// TOML document), entries are created and appended to the array. An entry
// points to its parent using its id.
//
// To find whether a given key (sequence of []byte) has already been visited,
// the entries are linearly searched, looking for one with the right name and
// parent id.
//
// Given that all keys appear in the document after their parent, it is
// guaranteed that all descendants of a node are stored after the node, this
// speeds up the search process.
//
// When encountering [[array tables]], the descendants of that node are removed
// to allow that branch of the tree to be "rediscovered". To maintain the
// invariant above, the deletion process needs to keep the order of entries.
// This results in more copies in that case.
type SeenTracker struct {
entries []entry
currentIdx int
}
var pool = sync.Pool{
New: func() interface{} {
return &SeenTracker{}
},
}
func (s *SeenTracker) reset() {
// Always contains a root element at index 0.
s.currentIdx = 0
if len(s.entries) == 0 {
s.entries = make([]entry, 1, 2)
} else {
s.entries = s.entries[:1]
}
s.entries[0].child = -1
s.entries[0].next = -1
}
type entry struct {
// Use -1 to indicate no child or no sibling.
child int
next int
name []byte
kind keyKind
explicit bool
kv bool
}
// Find the index of the child of parentIdx with key k. Returns -1 if
// it does not exist.
func (s *SeenTracker) find(parentIdx int, k []byte) int {
for i := s.entries[parentIdx].child; i >= 0; i = s.entries[i].next {
if bytes.Equal(s.entries[i].name, k) {
return i
}
}
return -1
}
// Remove all descendants of node at position idx.
func (s *SeenTracker) clear(idx int) {
if idx >= len(s.entries) {
return
}
for i := s.entries[idx].child; i >= 0; {
next := s.entries[i].next
n := s.entries[0].next
s.entries[0].next = i
s.entries[i].next = n
s.entries[i].name = nil
s.clear(i)
i = next
}
s.entries[idx].child = -1
}
func (s *SeenTracker) create(parentIdx int, name []byte, kind keyKind, explicit bool, kv bool) int {
e := entry{
child: -1,
next: s.entries[parentIdx].child,
name: name,
kind: kind,
explicit: explicit,
kv: kv,
}
var idx int
if s.entries[0].next >= 0 {
idx = s.entries[0].next
s.entries[0].next = s.entries[idx].next
s.entries[idx] = e
} else {
idx = len(s.entries)
s.entries = append(s.entries, e)
}
s.entries[parentIdx].child = idx
return idx
}
func (s *SeenTracker) setExplicitFlag(parentIdx int) {
for i := s.entries[parentIdx].child; i >= 0; i = s.entries[i].next {
if s.entries[i].kv {
s.entries[i].explicit = true
s.entries[i].kv = false
}
s.setExplicitFlag(i)
}
}
// CheckExpression takes a top-level node and checks that it does not contain
// keys that have been seen in previous calls, and validates that types are
// consistent. It returns true if it is the first time this node's key is seen.
// Useful to clear array tables on first use.
func (s *SeenTracker) CheckExpression(node *unstable.Node) (bool, error) {
if s.entries == nil {
s.reset()
}
switch node.Kind {
case unstable.KeyValue:
return s.checkKeyValue(node)
case unstable.Table:
return s.checkTable(node)
case unstable.ArrayTable:
return s.checkArrayTable(node)
default:
panic(fmt.Errorf("this should not be a top level node type: %s", node.Kind))
}
}
func (s *SeenTracker) checkTable(node *unstable.Node) (bool, error) {
if s.currentIdx >= 0 {
s.setExplicitFlag(s.currentIdx)
}
it := node.Key()
parentIdx := 0
// This code is duplicated in checkArrayTable. This is because factoring
// it in a function requires to copy the iterator, or allocate it to the
// heap, which is not cheap.
for it.Next() {
if it.IsLast() {
break
}
k := it.Node().Data
idx := s.find(parentIdx, k)
if idx < 0 {
idx = s.create(parentIdx, k, tableKind, false, false)
} else {
entry := s.entries[idx]
if entry.kind == valueKind {
return false, fmt.Errorf("toml: expected %s to be a table, not a %s", string(k), entry.kind)
}
}
parentIdx = idx
}
k := it.Node().Data
idx := s.find(parentIdx, k)
first := false
if idx >= 0 {
kind := s.entries[idx].kind
if kind != tableKind {
return false, fmt.Errorf("toml: key %s should be a table, not a %s", string(k), kind)
}
if s.entries[idx].explicit {
return false, fmt.Errorf("toml: table %s already exists", string(k))
}
s.entries[idx].explicit = true
} else {
idx = s.create(parentIdx, k, tableKind, true, false)
first = true
}
s.currentIdx = idx
return first, nil
}
func (s *SeenTracker) checkArrayTable(node *unstable.Node) (bool, error) {
if s.currentIdx >= 0 {
s.setExplicitFlag(s.currentIdx)
}
it := node.Key()
parentIdx := 0
for it.Next() {
if it.IsLast() {
break
}
k := it.Node().Data
idx := s.find(parentIdx, k)
if idx < 0 {
idx = s.create(parentIdx, k, tableKind, false, false)
} else {
entry := s.entries[idx]
if entry.kind == valueKind {
return false, fmt.Errorf("toml: expected %s to be a table, not a %s", string(k), entry.kind)
}
}
parentIdx = idx
}
k := it.Node().Data
idx := s.find(parentIdx, k)
firstTime := idx < 0
if firstTime {
idx = s.create(parentIdx, k, arrayTableKind, true, false)
} else {
kind := s.entries[idx].kind
if kind != arrayTableKind {
return false, fmt.Errorf("toml: key %s already exists as a %s, but should be an array table", kind, string(k))
}
s.clear(idx)
}
s.currentIdx = idx
return firstTime, nil
}
func (s *SeenTracker) checkKeyValue(node *unstable.Node) (bool, error) {
parentIdx := s.currentIdx
it := node.Key()
for it.Next() {
k := it.Node().Data
idx := s.find(parentIdx, k)
if idx < 0 {
idx = s.create(parentIdx, k, tableKind, false, true)
} else {
entry := s.entries[idx]
switch {
case it.IsLast():
return false, fmt.Errorf("toml: key %s is already defined", string(k))
case entry.kind != tableKind:
return false, fmt.Errorf("toml: expected %s to be a table, not a %s", string(k), entry.kind)
case entry.explicit:
return false, fmt.Errorf("toml: cannot redefine table %s that has already been explicitly defined", string(k))
}
}
parentIdx = idx
}
s.entries[parentIdx].kind = valueKind
value := node.Value()
switch value.Kind {
case unstable.InlineTable:
return s.checkInlineTable(value)
case unstable.Array:
return s.checkArray(value)
default:
return false, nil
}
}
func (s *SeenTracker) checkArray(node *unstable.Node) (first bool, err error) {
it := node.Children()
for it.Next() {
n := it.Node()
switch n.Kind { //nolint:exhaustive
case unstable.InlineTable:
first, err = s.checkInlineTable(n)
if err != nil {
return false, err
}
case unstable.Array:
first, err = s.checkArray(n)
if err != nil {
return false, err
}
}
}
return first, nil
}
func (s *SeenTracker) checkInlineTable(node *unstable.Node) (first bool, err error) {
s = pool.Get().(*SeenTracker)
s.reset()
it := node.Children()
for it.Next() {
n := it.Node()
first, err = s.checkKeyValue(n)
if err != nil {
return false, err
}
}
// As inline tables are self-contained, the tracker does not
// need to retain the details of what they contain. The
// keyValue element that creates the inline table is kept to
// mark the presence of the inline table and prevent
// redefinition of its keys: check* functions cannot walk into
// a value.
pool.Put(s)
return first, nil
}

View File

@@ -0,0 +1,2 @@
// Package tracker provides functions for keeping track of AST nodes.
package tracker

122
vendor/github.com/pelletier/go-toml/v2/localtime.go generated vendored Normal file
View File

@@ -0,0 +1,122 @@
package toml
import (
"fmt"
"strings"
"time"
"github.com/pelletier/go-toml/v2/unstable"
)
// LocalDate represents a calendar day in no specific timezone.
type LocalDate struct {
Year int
Month int
Day int
}
// AsTime converts d into a specific time instance at midnight in zone.
func (d LocalDate) AsTime(zone *time.Location) time.Time {
return time.Date(d.Year, time.Month(d.Month), d.Day, 0, 0, 0, 0, zone)
}
// String returns RFC 3339 representation of d.
func (d LocalDate) String() string {
return fmt.Sprintf("%04d-%02d-%02d", d.Year, d.Month, d.Day)
}
// MarshalText returns RFC 3339 representation of d.
func (d LocalDate) MarshalText() ([]byte, error) {
return []byte(d.String()), nil
}
// UnmarshalText parses b using RFC 3339 to fill d.
func (d *LocalDate) UnmarshalText(b []byte) error {
res, err := parseLocalDate(b)
if err != nil {
return err
}
*d = res
return nil
}
// LocalTime represents a time of day of no specific day in no specific
// timezone.
type LocalTime struct {
Hour int // Hour of the day: [0; 24[
Minute int // Minute of the hour: [0; 60[
Second int // Second of the minute: [0; 59]
Nanosecond int // Nanoseconds within the second: [0, 1000000000[
Precision int // Number of digits to display for Nanosecond.
}
// String returns RFC 3339 representation of d.
// If d.Nanosecond and d.Precision are zero, the time won't have a nanosecond
// component. If d.Nanosecond > 0 but d.Precision = 0, then the minimum number
// of digits for nanoseconds is provided.
func (d LocalTime) String() string {
s := fmt.Sprintf("%02d:%02d:%02d", d.Hour, d.Minute, d.Second)
if d.Precision > 0 {
s += fmt.Sprintf(".%09d", d.Nanosecond)[:d.Precision+1]
} else if d.Nanosecond > 0 {
// Nanoseconds are specified, but precision is not provided. Use the
// minimum.
s += strings.Trim(fmt.Sprintf(".%09d", d.Nanosecond), "0")
}
return s
}
// MarshalText returns RFC 3339 representation of d.
func (d LocalTime) MarshalText() ([]byte, error) {
return []byte(d.String()), nil
}
// UnmarshalText parses b using RFC 3339 to fill d.
func (d *LocalTime) UnmarshalText(b []byte) error {
res, left, err := parseLocalTime(b)
if err == nil && len(left) != 0 {
err = unstable.NewParserError(left, "extra characters")
}
if err != nil {
return err
}
*d = res
return nil
}
// LocalDateTime represents a time of a specific day in no specific timezone.
type LocalDateTime struct {
LocalDate
LocalTime
}
// AsTime converts d into a specific time instance in zone.
func (d LocalDateTime) AsTime(zone *time.Location) time.Time {
return time.Date(d.Year, time.Month(d.Month), d.Day, d.Hour, d.Minute, d.Second, d.Nanosecond, zone)
}
// String returns RFC 3339 representation of d.
func (d LocalDateTime) String() string {
return d.LocalDate.String() + "T" + d.LocalTime.String()
}
// MarshalText returns RFC 3339 representation of d.
func (d LocalDateTime) MarshalText() ([]byte, error) {
return []byte(d.String()), nil
}
// UnmarshalText parses b using RFC 3339 to fill d.
func (d *LocalDateTime) UnmarshalText(data []byte) error {
res, left, err := parseLocalDateTime(data)
if err == nil && len(left) != 0 {
err = unstable.NewParserError(left, "extra characters")
}
if err != nil {
return err
}
*d = res
return nil
}

1202
vendor/github.com/pelletier/go-toml/v2/marshaler.go generated vendored Normal file

File diff suppressed because it is too large Load Diff

114
vendor/github.com/pelletier/go-toml/v2/strict.go generated vendored Normal file
View File

@@ -0,0 +1,114 @@
package toml
import (
"github.com/pelletier/go-toml/v2/internal/tracker"
"github.com/pelletier/go-toml/v2/unstable"
)
type strict struct {
Enabled bool
// Tracks the current key being processed.
key tracker.KeyTracker
missing []unstable.ParserError
// Reference to the document for computing key ranges.
doc []byte
}
func (s *strict) EnterTable(node *unstable.Node) {
if !s.Enabled {
return
}
s.key.UpdateTable(node)
}
func (s *strict) EnterArrayTable(node *unstable.Node) {
if !s.Enabled {
return
}
s.key.UpdateArrayTable(node)
}
func (s *strict) EnterKeyValue(node *unstable.Node) {
if !s.Enabled {
return
}
s.key.Push(node)
}
func (s *strict) ExitKeyValue(node *unstable.Node) {
if !s.Enabled {
return
}
s.key.Pop(node)
}
func (s *strict) MissingTable(node *unstable.Node) {
if !s.Enabled {
return
}
s.missing = append(s.missing, unstable.ParserError{
Highlight: s.keyLocation(node),
Message: "missing table",
Key: s.key.Key(),
})
}
func (s *strict) MissingField(node *unstable.Node) {
if !s.Enabled {
return
}
s.missing = append(s.missing, unstable.ParserError{
Highlight: s.keyLocation(node),
Message: "missing field",
Key: s.key.Key(),
})
}
func (s *strict) Error(doc []byte) error {
if !s.Enabled || len(s.missing) == 0 {
return nil
}
err := &StrictMissingError{
Errors: make([]DecodeError, 0, len(s.missing)),
}
for _, derr := range s.missing {
derr := derr
err.Errors = append(err.Errors, *wrapDecodeError(doc, &derr))
}
return err
}
func (s *strict) keyLocation(node *unstable.Node) []byte {
k := node.Key()
hasOne := k.Next()
if !hasOne {
panic("should not be called with empty key")
}
// Get the range from the first key to the last key.
firstRaw := k.Node().Raw
lastRaw := firstRaw
for k.Next() {
lastRaw = k.Node().Raw
}
// Compute the slice from the document using the ranges.
start := firstRaw.Offset
end := lastRaw.Offset + lastRaw.Length
return s.doc[start:end]
}

View File

@@ -0,0 +1,597 @@
#!/usr/bin/env bash
set -uo pipefail
# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color
# Go versions to test (1.11 through 1.26)
GO_VERSIONS=(
"1.11"
"1.12"
"1.13"
"1.14"
"1.15"
"1.16"
"1.17"
"1.18"
"1.19"
"1.20"
"1.21"
"1.22"
"1.23"
"1.24"
"1.25"
"1.26"
)
# Default values
PARALLEL=true
VERBOSE=false
OUTPUT_DIR="test-results"
DOCKER_TIMEOUT="10m"
usage() {
cat << EOF
Usage: $0 [OPTIONS] [GO_VERSIONS...]
Test go-toml across multiple Go versions using Docker containers.
The script reports the lowest continuous supported Go version (where all subsequent
versions pass) and only exits with non-zero status if either of the two most recent
Go versions fail, indicating immediate attention is needed.
Note: For Go versions < 1.21, the script automatically updates go.mod to match the
target version, but older versions may still fail due to missing standard library
features (e.g., the 'slices' package introduced in Go 1.21).
OPTIONS:
-h, --help Show this help message
-s, --sequential Run tests sequentially instead of in parallel
-v, --verbose Enable verbose output
-o, --output DIR Output directory for test results (default: test-results)
-t, --timeout TIME Docker timeout for each test (default: 10m)
--list List available Go versions and exit
ARGUMENTS:
GO_VERSIONS Specific Go versions to test (default: all supported versions)
Examples: 1.21 1.22 1.23
EXAMPLES:
$0 # Test all Go versions in parallel
$0 --sequential # Test all Go versions sequentially
$0 1.21 1.22 1.23 # Test specific versions
$0 --verbose --output ./results 1.25 1.26 # Verbose output to custom directory
EXIT CODES:
0 Recent Go versions pass (good compatibility)
1 Recent Go versions fail (needs attention) or script error
EOF
}
log() {
echo -e "${BLUE}[$(date +'%H:%M:%S')]${NC} $*" >&2
}
log_success() {
echo -e "${GREEN}[$(date +'%H:%M:%S')] ✓${NC} $*" >&2
}
log_error() {
echo -e "${RED}[$(date +'%H:%M:%S')] ✗${NC} $*" >&2
}
log_warning() {
echo -e "${YELLOW}[$(date +'%H:%M:%S')] ⚠${NC} $*" >&2
}
# Parse command line arguments
while [[ $# -gt 0 ]]; do
case $1 in
-h|--help)
usage
exit 0
;;
-s|--sequential)
PARALLEL=false
shift
;;
-v|--verbose)
VERBOSE=true
shift
;;
-o|--output)
OUTPUT_DIR="$2"
shift 2
;;
-t|--timeout)
DOCKER_TIMEOUT="$2"
shift 2
;;
--list)
echo "Available Go versions:"
printf '%s\n' "${GO_VERSIONS[@]}"
exit 0
;;
-*)
echo "Unknown option: $1" >&2
usage
exit 1
;;
*)
# Remaining arguments are Go versions
break
;;
esac
done
# If specific versions provided, use those instead of defaults
if [[ $# -gt 0 ]]; then
GO_VERSIONS=("$@")
fi
# Validate Go versions
for version in "${GO_VERSIONS[@]}"; do
if ! [[ "$version" =~ ^1\.(1[1-9]|2[0-6])$ ]]; then
log_error "Invalid Go version: $version. Supported versions: 1.11-1.26"
exit 1
fi
done
# Check if Docker is available
if ! command -v docker &> /dev/null; then
log_error "Docker is required but not installed or not in PATH"
exit 1
fi
# Check if Docker daemon is running
if ! docker info &> /dev/null; then
log_error "Docker daemon is not running"
exit 1
fi
# Create output directory
mkdir -p "$OUTPUT_DIR"
# Function to test a single Go version
test_go_version() {
local go_version="$1"
local container_name="go-toml-test-${go_version}"
local result_file="${OUTPUT_DIR}/go-${go_version}.txt"
local dockerfile_content
log "Testing Go $go_version..."
# Create a temporary Dockerfile for this version
# For Go versions < 1.21, we need to update go.mod to match the Go version
local needs_go_mod_update=false
if [[ $(echo "$go_version 1.21" | tr ' ' '\n' | sort -V | head -n1) == "$go_version" && "$go_version" != "1.21" ]]; then
needs_go_mod_update=true
fi
dockerfile_content="FROM golang:${go_version}-alpine
# Install git (required for go mod)
RUN apk add --no-cache git
# Set working directory
WORKDIR /app
# Copy source code
COPY . ."
# Add go.mod update step for older Go versions
if [[ "$needs_go_mod_update" == true ]]; then
dockerfile_content="$dockerfile_content
# Update go.mod to match Go version (required for Go < 1.21)
RUN if [ -f go.mod ]; then sed -i 's/^go [0-9]\\+\\.[0-9]\\+\\(\\.[0-9]\\+\\)\\?/go $go_version/' go.mod; fi
# Note: Go versions < 1.21 may fail due to missing standard library packages (e.g., slices)
# This is expected for projects that use Go 1.21+ features"
fi
dockerfile_content="$dockerfile_content
# Run tests
CMD [\"sh\", \"-c\", \"go version && echo '--- Running go test ./... ---' && go test ./...\"]"
# Create temporary directory for this test
local temp_dir
temp_dir=$(mktemp -d)
# Copy source to temp directory (excluding test results and git)
rsync -a --exclude="$OUTPUT_DIR" --exclude=".git" --exclude="*.test" . "$temp_dir/"
# Create Dockerfile in temp directory
echo "$dockerfile_content" > "$temp_dir/Dockerfile"
# Build and run container
local exit_code=0
local output
if $VERBOSE; then
log "Building Docker image for Go $go_version..."
fi
# Capture both stdout and stderr, and the exit code
if output=$(cd "$temp_dir" && timeout "$DOCKER_TIMEOUT" docker build -t "$container_name" . 2>&1 && \
timeout "$DOCKER_TIMEOUT" docker run --rm "$container_name" 2>&1); then
log_success "Go $go_version: PASSED"
echo "PASSED" > "${result_file}.status"
else
exit_code=$?
log_error "Go $go_version: FAILED (exit code: $exit_code)"
echo "FAILED" > "${result_file}.status"
fi
# Save full output
echo "$output" > "$result_file"
# Clean up
docker rmi "$container_name" &> /dev/null || true
rm -rf "$temp_dir"
if $VERBOSE; then
echo "--- Go $go_version output ---"
echo "$output"
echo "--- End Go $go_version output ---"
fi
return $exit_code
}
# Function to run tests in parallel
run_parallel() {
local pids=()
local failed_versions=()
log "Starting parallel tests for ${#GO_VERSIONS[@]} Go versions..."
# Start all tests in background
for version in "${GO_VERSIONS[@]}"; do
test_go_version "$version" &
pids+=($!)
done
# Wait for all tests to complete
for i in "${!pids[@]}"; do
local pid=${pids[$i]}
local version=${GO_VERSIONS[$i]}
if ! wait $pid; then
failed_versions+=("$version")
fi
done
return ${#failed_versions[@]}
}
# Function to run tests sequentially
run_sequential() {
local failed_versions=()
log "Starting sequential tests for ${#GO_VERSIONS[@]} Go versions..."
for version in "${GO_VERSIONS[@]}"; do
if ! test_go_version "$version"; then
failed_versions+=("$version")
fi
done
return ${#failed_versions[@]}
}
# Main execution
main() {
local start_time
start_time=$(date +%s)
log "Starting Go version compatibility tests..."
log "Testing versions: ${GO_VERSIONS[*]}"
log "Output directory: $OUTPUT_DIR"
log "Parallel execution: $PARALLEL"
local failed_count
if $PARALLEL; then
run_parallel
failed_count=$?
else
run_sequential
failed_count=$?
fi
local end_time
end_time=$(date +%s)
local duration=$((end_time - start_time))
# Collect results for display
local passed_versions=()
local failed_versions=()
local unknown_versions=()
local passed_count=0
for version in "${GO_VERSIONS[@]}"; do
local status_file="${OUTPUT_DIR}/go-${version}.txt.status"
if [[ -f "$status_file" ]]; then
local status
status=$(cat "$status_file")
if [[ "$status" == "PASSED" ]]; then
passed_versions+=("$version")
((passed_count++))
else
failed_versions+=("$version")
fi
else
unknown_versions+=("$version")
fi
done
# Generate summary report
local summary_file="${OUTPUT_DIR}/summary.txt"
{
echo "Go Version Compatibility Test Summary"
echo "====================================="
echo "Date: $(date)"
echo "Duration: ${duration}s"
echo "Parallel: $PARALLEL"
echo ""
echo "Results:"
for version in "${GO_VERSIONS[@]}"; do
local status_file="${OUTPUT_DIR}/go-${version}.txt.status"
if [[ -f "$status_file" ]]; then
local status
status=$(cat "$status_file")
if [[ "$status" == "PASSED" ]]; then
echo " Go $version: ✓ PASSED"
else
echo " Go $version: ✗ FAILED"
fi
else
echo " Go $version: ? UNKNOWN (no status file)"
fi
done
echo ""
echo "Summary: $passed_count/${#GO_VERSIONS[@]} versions passed"
if [[ $failed_count -gt 0 ]]; then
echo ""
echo "Failed versions details:"
for version in "${failed_versions[@]}"; do
echo ""
echo "--- Go $version (FAILED) ---"
local result_file="${OUTPUT_DIR}/go-${version}.txt"
if [[ -f "$result_file" ]]; then
tail -n 30 "$result_file"
fi
done
fi
} > "$summary_file"
# Find lowest continuous supported version and check recent versions
local lowest_continuous_version=""
local recent_versions_failed=false
# Sort versions to ensure proper order
local sorted_versions=()
for version in "${GO_VERSIONS[@]}"; do
sorted_versions+=("$version")
done
# Sort versions numerically (1.11, 1.12, ..., 1.25)
IFS=$'\n' sorted_versions=($(sort -V <<< "${sorted_versions[*]}"))
# Find lowest continuous supported version (all versions from this point onwards pass)
for version in "${sorted_versions[@]}"; do
local status_file="${OUTPUT_DIR}/go-${version}.txt.status"
local all_subsequent_pass=true
# Check if this version and all subsequent versions pass
local found_current=false
for check_version in "${sorted_versions[@]}"; do
if [[ "$check_version" == "$version" ]]; then
found_current=true
fi
if [[ "$found_current" == true ]]; then
local check_status_file="${OUTPUT_DIR}/go-${check_version}.txt.status"
if [[ -f "$check_status_file" ]]; then
local status
status=$(cat "$check_status_file")
if [[ "$status" != "PASSED" ]]; then
all_subsequent_pass=false
break
fi
else
all_subsequent_pass=false
break
fi
fi
done
if [[ "$all_subsequent_pass" == true ]]; then
lowest_continuous_version="$version"
break
fi
done
# Check if the two most recent versions failed
local num_versions=${#sorted_versions[@]}
if [[ $num_versions -ge 2 ]]; then
local second_recent="${sorted_versions[$((num_versions-2))]}"
local most_recent="${sorted_versions[$((num_versions-1))]}"
local second_recent_status_file="${OUTPUT_DIR}/go-${second_recent}.txt.status"
local most_recent_status_file="${OUTPUT_DIR}/go-${most_recent}.txt.status"
local second_recent_failed=false
local most_recent_failed=false
if [[ -f "$second_recent_status_file" ]]; then
local status
status=$(cat "$second_recent_status_file")
if [[ "$status" != "PASSED" ]]; then
second_recent_failed=true
fi
else
second_recent_failed=true
fi
if [[ -f "$most_recent_status_file" ]]; then
local status
status=$(cat "$most_recent_status_file")
if [[ "$status" != "PASSED" ]]; then
most_recent_failed=true
fi
else
most_recent_failed=true
fi
if [[ "$second_recent_failed" == true || "$most_recent_failed" == true ]]; then
recent_versions_failed=true
fi
elif [[ $num_versions -eq 1 ]]; then
# Only one version tested, check if it's the most recent and failed
local only_version="${sorted_versions[0]}"
local only_status_file="${OUTPUT_DIR}/go-${only_version}.txt.status"
if [[ -f "$only_status_file" ]]; then
local status
status=$(cat "$only_status_file")
if [[ "$status" != "PASSED" ]]; then
recent_versions_failed=true
fi
else
recent_versions_failed=true
fi
fi
# Display summary
echo ""
log "Test completed in ${duration}s"
log "Summary report: $summary_file"
echo ""
echo "========================================"
echo " FINAL RESULTS"
echo "========================================"
echo ""
# Display passed versions
if [[ ${#passed_versions[@]} -gt 0 ]]; then
log_success "PASSED (${#passed_versions[@]}/${#GO_VERSIONS[@]}):"
# Sort passed versions for display
local sorted_passed=()
for version in "${sorted_versions[@]}"; do
for passed_version in "${passed_versions[@]}"; do
if [[ "$version" == "$passed_version" ]]; then
sorted_passed+=("$version")
break
fi
done
done
for version in "${sorted_passed[@]}"; do
echo -e " ${GREEN}${NC} Go $version"
done
echo ""
fi
# Display failed versions
if [[ ${#failed_versions[@]} -gt 0 ]]; then
log_error "FAILED (${#failed_versions[@]}/${#GO_VERSIONS[@]}):"
# Sort failed versions for display
local sorted_failed=()
for version in "${sorted_versions[@]}"; do
for failed_version in "${failed_versions[@]}"; do
if [[ "$version" == "$failed_version" ]]; then
sorted_failed+=("$version")
break
fi
done
done
for version in "${sorted_failed[@]}"; do
echo -e " ${RED}${NC} Go $version"
done
echo ""
# Show failure details
echo "========================================"
echo " FAILURE DETAILS"
echo "========================================"
echo ""
for version in "${sorted_failed[@]}"; do
echo -e "${RED}--- Go $version FAILURE LOGS (last 30 lines) ---${NC}"
local result_file="${OUTPUT_DIR}/go-${version}.txt"
if [[ -f "$result_file" ]]; then
tail -n 30 "$result_file" | sed 's/^/ /'
else
echo " No log file found: $result_file"
fi
echo ""
done
fi
# Display unknown versions
if [[ ${#unknown_versions[@]} -gt 0 ]]; then
log_warning "UNKNOWN (${#unknown_versions[@]}/${#GO_VERSIONS[@]}):"
for version in "${unknown_versions[@]}"; do
echo -e " ${YELLOW}?${NC} Go $version (no status file)"
done
echo ""
fi
echo "========================================"
echo " COMPATIBILITY SUMMARY"
echo "========================================"
echo ""
if [[ -n "$lowest_continuous_version" ]]; then
log_success "Lowest continuous supported version: Go $lowest_continuous_version"
echo " (All versions from Go $lowest_continuous_version onwards pass)"
else
log_error "No continuous version support found"
echo " (No version has all subsequent versions passing)"
fi
echo ""
echo "========================================"
echo "Full detailed logs available in: $OUTPUT_DIR"
echo "========================================"
# Determine exit code based on recent versions
if [[ "$recent_versions_failed" == true ]]; then
log_error "OVERALL RESULT: Recent Go versions failed - this needs attention!"
if [[ -n "$lowest_continuous_version" ]]; then
echo "Note: Continuous support starts from Go $lowest_continuous_version"
fi
exit 1
else
log_success "OVERALL RESULT: Recent Go versions pass - compatibility looks good!"
if [[ -n "$lowest_continuous_version" ]]; then
echo "Continuous support starts from Go $lowest_continuous_version"
fi
exit 0
fi
}
# Trap to clean up on exit
cleanup() {
# Kill any remaining background processes
jobs -p | xargs -r kill 2>/dev/null || true
# Clean up any remaining Docker containers
docker ps -q --filter "name=go-toml-test-" | xargs -r docker stop 2>/dev/null || true
docker images -q --filter "reference=go-toml-test-*" | xargs -r docker rmi 2>/dev/null || true
}
trap cleanup EXIT
# Run main function
main

243
vendor/github.com/pelletier/go-toml/v2/toml.abnf generated vendored Normal file
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@@ -0,0 +1,243 @@
;; This document describes TOML's syntax, using the ABNF format (defined in
;; RFC 5234 -- https://www.ietf.org/rfc/rfc5234.txt).
;;
;; All valid TOML documents will match this description, however certain
;; invalid documents would need to be rejected as per the semantics described
;; in the supporting text description.
;; It is possible to try this grammar interactively, using instaparse.
;; http://instaparse.mojombo.com/
;;
;; To do so, in the lower right, click on Options and change `:input-format` to
;; ':abnf'. Then paste this entire ABNF document into the grammar entry box
;; (above the options). Then you can type or paste a sample TOML document into
;; the beige box on the left. Tada!
;; Overall Structure
toml = expression *( newline expression )
expression = ws [ comment ]
expression =/ ws keyval ws [ comment ]
expression =/ ws table ws [ comment ]
;; Whitespace
ws = *wschar
wschar = %x20 ; Space
wschar =/ %x09 ; Horizontal tab
;; Newline
newline = %x0A ; LF
newline =/ %x0D.0A ; CRLF
;; Comment
comment-start-symbol = %x23 ; #
non-ascii = %x80-D7FF / %xE000-10FFFF
non-eol = %x09 / %x20-7F / non-ascii
comment = comment-start-symbol *non-eol
;; Key-Value pairs
keyval = key keyval-sep val
key = simple-key / dotted-key
simple-key = quoted-key / unquoted-key
unquoted-key = 1*( ALPHA / DIGIT / %x2D / %x5F ) ; A-Z / a-z / 0-9 / - / _
quoted-key = basic-string / literal-string
dotted-key = simple-key 1*( dot-sep simple-key )
dot-sep = ws %x2E ws ; . Period
keyval-sep = ws %x3D ws ; =
val = string / boolean / array / inline-table / date-time / float / integer
;; String
string = ml-basic-string / basic-string / ml-literal-string / literal-string
;; Basic String
basic-string = quotation-mark *basic-char quotation-mark
quotation-mark = %x22 ; "
basic-char = basic-unescaped / escaped
basic-unescaped = wschar / %x21 / %x23-5B / %x5D-7E / non-ascii
escaped = escape escape-seq-char
escape = %x5C ; \
escape-seq-char = %x22 ; " quotation mark U+0022
escape-seq-char =/ %x5C ; \ reverse solidus U+005C
escape-seq-char =/ %x62 ; b backspace U+0008
escape-seq-char =/ %x66 ; f form feed U+000C
escape-seq-char =/ %x6E ; n line feed U+000A
escape-seq-char =/ %x72 ; r carriage return U+000D
escape-seq-char =/ %x74 ; t tab U+0009
escape-seq-char =/ %x75 4HEXDIG ; uXXXX U+XXXX
escape-seq-char =/ %x55 8HEXDIG ; UXXXXXXXX U+XXXXXXXX
;; Multiline Basic String
ml-basic-string = ml-basic-string-delim [ newline ] ml-basic-body
ml-basic-string-delim
ml-basic-string-delim = 3quotation-mark
ml-basic-body = *mlb-content *( mlb-quotes 1*mlb-content ) [ mlb-quotes ]
mlb-content = mlb-char / newline / mlb-escaped-nl
mlb-char = mlb-unescaped / escaped
mlb-quotes = 1*2quotation-mark
mlb-unescaped = wschar / %x21 / %x23-5B / %x5D-7E / non-ascii
mlb-escaped-nl = escape ws newline *( wschar / newline )
;; Literal String
literal-string = apostrophe *literal-char apostrophe
apostrophe = %x27 ; ' apostrophe
literal-char = %x09 / %x20-26 / %x28-7E / non-ascii
;; Multiline Literal String
ml-literal-string = ml-literal-string-delim [ newline ] ml-literal-body
ml-literal-string-delim
ml-literal-string-delim = 3apostrophe
ml-literal-body = *mll-content *( mll-quotes 1*mll-content ) [ mll-quotes ]
mll-content = mll-char / newline
mll-char = %x09 / %x20-26 / %x28-7E / non-ascii
mll-quotes = 1*2apostrophe
;; Integer
integer = dec-int / hex-int / oct-int / bin-int
minus = %x2D ; -
plus = %x2B ; +
underscore = %x5F ; _
digit1-9 = %x31-39 ; 1-9
digit0-7 = %x30-37 ; 0-7
digit0-1 = %x30-31 ; 0-1
hex-prefix = %x30.78 ; 0x
oct-prefix = %x30.6F ; 0o
bin-prefix = %x30.62 ; 0b
dec-int = [ minus / plus ] unsigned-dec-int
unsigned-dec-int = DIGIT / digit1-9 1*( DIGIT / underscore DIGIT )
hex-int = hex-prefix HEXDIG *( HEXDIG / underscore HEXDIG )
oct-int = oct-prefix digit0-7 *( digit0-7 / underscore digit0-7 )
bin-int = bin-prefix digit0-1 *( digit0-1 / underscore digit0-1 )
;; Float
float = float-int-part ( exp / frac [ exp ] )
float =/ special-float
float-int-part = dec-int
frac = decimal-point zero-prefixable-int
decimal-point = %x2E ; .
zero-prefixable-int = DIGIT *( DIGIT / underscore DIGIT )
exp = "e" float-exp-part
float-exp-part = [ minus / plus ] zero-prefixable-int
special-float = [ minus / plus ] ( inf / nan )
inf = %x69.6e.66 ; inf
nan = %x6e.61.6e ; nan
;; Boolean
boolean = true / false
true = %x74.72.75.65 ; true
false = %x66.61.6C.73.65 ; false
;; Date and Time (as defined in RFC 3339)
date-time = offset-date-time / local-date-time / local-date / local-time
date-fullyear = 4DIGIT
date-month = 2DIGIT ; 01-12
date-mday = 2DIGIT ; 01-28, 01-29, 01-30, 01-31 based on month/year
time-delim = "T" / %x20 ; T, t, or space
time-hour = 2DIGIT ; 00-23
time-minute = 2DIGIT ; 00-59
time-second = 2DIGIT ; 00-58, 00-59, 00-60 based on leap second rules
time-secfrac = "." 1*DIGIT
time-numoffset = ( "+" / "-" ) time-hour ":" time-minute
time-offset = "Z" / time-numoffset
partial-time = time-hour ":" time-minute ":" time-second [ time-secfrac ]
full-date = date-fullyear "-" date-month "-" date-mday
full-time = partial-time time-offset
;; Offset Date-Time
offset-date-time = full-date time-delim full-time
;; Local Date-Time
local-date-time = full-date time-delim partial-time
;; Local Date
local-date = full-date
;; Local Time
local-time = partial-time
;; Array
array = array-open [ array-values ] ws-comment-newline array-close
array-open = %x5B ; [
array-close = %x5D ; ]
array-values = ws-comment-newline val ws-comment-newline array-sep array-values
array-values =/ ws-comment-newline val ws-comment-newline [ array-sep ]
array-sep = %x2C ; , Comma
ws-comment-newline = *( wschar / [ comment ] newline )
;; Table
table = std-table / array-table
;; Standard Table
std-table = std-table-open key std-table-close
std-table-open = %x5B ws ; [ Left square bracket
std-table-close = ws %x5D ; ] Right square bracket
;; Inline Table
inline-table = inline-table-open [ inline-table-keyvals ] inline-table-close
inline-table-open = %x7B ws ; {
inline-table-close = ws %x7D ; }
inline-table-sep = ws %x2C ws ; , Comma
inline-table-keyvals = keyval [ inline-table-sep inline-table-keyvals ]
;; Array Table
array-table = array-table-open key array-table-close
array-table-open = %x5B.5B ws ; [[ Double left square bracket
array-table-close = ws %x5D.5D ; ]] Double right square bracket
;; Built-in ABNF terms, reproduced here for clarity
ALPHA = %x41-5A / %x61-7A ; A-Z / a-z
DIGIT = %x30-39 ; 0-9
HEXDIG = DIGIT / "A" / "B" / "C" / "D" / "E" / "F"

23
vendor/github.com/pelletier/go-toml/v2/types.go generated vendored Normal file
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package toml
import (
"encoding"
"reflect"
"time"
)
// isZeroer is used to check if a type has a custom IsZero method.
// This allows custom types to define their own zero-value semantics.
type isZeroer interface {
IsZero() bool
}
var (
timeType = reflect.TypeOf((*time.Time)(nil)).Elem()
textMarshalerType = reflect.TypeOf((*encoding.TextMarshaler)(nil)).Elem()
textUnmarshalerType = reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem()
isZeroerType = reflect.TypeOf((*isZeroer)(nil)).Elem()
mapStringInterfaceType = reflect.TypeOf(map[string]interface{}(nil))
sliceInterfaceType = reflect.TypeOf([]interface{}(nil))
stringType = reflect.TypeOf("")
)

1458
vendor/github.com/pelletier/go-toml/v2/unmarshaler.go generated vendored Normal file

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149
vendor/github.com/pelletier/go-toml/v2/unstable/ast.go generated vendored Normal file
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package unstable
import (
"errors"
"fmt"
)
// Iterator over a sequence of nodes.
//
// Starts uninitialized, you need to call Next() first.
//
// For example:
//
// it := n.Children()
// for it.Next() {
// n := it.Node()
// // do something with n
// }
type Iterator struct {
nodes *[]Node
idx int32
started bool
}
// Next moves the iterator forward and returns true if points to a
// node, false otherwise.
func (c *Iterator) Next() bool {
if c.nodes == nil {
return false
}
nodes := *c.nodes
if !c.started {
c.started = true
} else {
idx := c.idx
if idx >= 0 && int(idx) < len(nodes) {
c.idx = nodes[idx].next
}
}
return c.idx >= 0 && int(c.idx) < len(nodes)
}
// IsLast returns true if the current node of the iterator is the last
// one. Subsequent calls to Next() will return false.
func (c *Iterator) IsLast() bool {
return c.nodes == nil || c.idx < 0 || (*c.nodes)[c.idx].next < 0
}
// Node returns a pointer to the node pointed at by the iterator.
func (c *Iterator) Node() *Node {
if c.nodes == nil || c.idx < 0 {
return nil
}
n := &(*c.nodes)[c.idx]
n.nodes = c.nodes
return n
}
// Node in a TOML expression AST.
//
// Depending on Kind, its sequence of children should be interpreted
// differently.
//
// - Array have one child per element in the array.
// - InlineTable have one child per key-value in the table (each of kind
// InlineTable).
// - KeyValue have at least two children. The first one is the value. The rest
// make a potentially dotted key.
// - Table and ArrayTable's children represent a dotted key (same as
// KeyValue, but without the first node being the value).
//
// When relevant, Raw describes the range of bytes this node is referring to in
// the input document. Use Parser.Raw() to retrieve the actual bytes.
type Node struct {
Kind Kind
Raw Range // Raw bytes from the input.
Data []byte // Node value (either allocated or referencing the input).
// Absolute indices into the backing nodes slice. -1 means none.
next int32
child int32
// Reference to the backing nodes slice for navigation.
nodes *[]Node
}
// Range of bytes in the document.
type Range struct {
Offset uint32
Length uint32
}
// Next returns a pointer to the next node, or nil if there is no next node.
func (n *Node) Next() *Node {
if n.next < 0 {
return nil
}
next := &(*n.nodes)[n.next]
next.nodes = n.nodes
return next
}
// Child returns a pointer to the first child node of this node. Other children
// can be accessed calling Next on the first child. Returns nil if this Node
// has no child.
func (n *Node) Child() *Node {
if n.child < 0 {
return nil
}
child := &(*n.nodes)[n.child]
child.nodes = n.nodes
return child
}
// Valid returns true if the node's kind is set (not to Invalid).
func (n *Node) Valid() bool {
return n != nil
}
// Key returns the children nodes making the Key on a supported node. Panics
// otherwise. They are guaranteed to be all be of the Kind Key. A simple key
// would return just one element.
func (n *Node) Key() Iterator {
switch n.Kind {
case KeyValue:
child := n.child
if child < 0 {
panic(errors.New("KeyValue should have at least two children"))
}
valueNode := &(*n.nodes)[child]
return Iterator{nodes: n.nodes, idx: valueNode.next}
case Table, ArrayTable:
return Iterator{nodes: n.nodes, idx: n.child}
default:
panic(fmt.Errorf("Key() is not supported on a %s", n.Kind))
}
}
// Value returns a pointer to the value node of a KeyValue.
// Guaranteed to be non-nil. Panics if not called on a KeyValue node,
// or if the Children are malformed.
func (n *Node) Value() *Node {
return n.Child()
}
// Children returns an iterator over a node's children.
func (n *Node) Children() Iterator {
return Iterator{nodes: n.nodes, idx: n.child}
}

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package unstable
// root contains a full AST.
//
// It is immutable once constructed with Builder.
type root struct {
nodes []Node
}
func (r *root) at(idx reference) *Node {
return &r.nodes[idx]
}
type reference int
const invalidReference reference = -1
func (r reference) Valid() bool {
return r != invalidReference
}
type builder struct {
tree root
lastIdx int
}
func (b *builder) NodeAt(ref reference) *Node {
n := b.tree.at(ref)
n.nodes = &b.tree.nodes
return n
}
func (b *builder) Reset() {
b.tree.nodes = b.tree.nodes[:0]
b.lastIdx = 0
}
func (b *builder) Push(n Node) reference {
b.lastIdx = len(b.tree.nodes)
n.next = -1
n.child = -1
b.tree.nodes = append(b.tree.nodes, n)
return reference(b.lastIdx)
}
func (b *builder) PushAndChain(n Node) reference {
newIdx := len(b.tree.nodes)
n.next = -1
n.child = -1
b.tree.nodes = append(b.tree.nodes, n)
if b.lastIdx >= 0 {
b.tree.nodes[b.lastIdx].next = int32(newIdx) //nolint:gosec // TOML ASTs are small
}
b.lastIdx = newIdx
return reference(b.lastIdx)
}
func (b *builder) AttachChild(parent reference, child reference) {
b.tree.nodes[parent].child = int32(child) //nolint:gosec // TOML ASTs are small
}
func (b *builder) Chain(from reference, to reference) {
b.tree.nodes[from].next = int32(to) //nolint:gosec // TOML ASTs are small
}

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// Package unstable provides APIs that do not meet the backward compatibility
// guarantees yet.
package unstable

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package unstable
import "fmt"
// Kind represents the type of TOML structure contained in a given Node.
type Kind int
const (
// Invalid represents an invalid meta node.
Invalid Kind = iota
// Comment represents a comment meta node.
Comment
// Key represents a key meta node.
Key
// Table represents a top-level table.
Table
// ArrayTable represents a top-level array table.
ArrayTable
// KeyValue represents a top-level key value.
KeyValue
// Array represents an array container value.
Array
// InlineTable represents an inline table container value.
InlineTable
// String represents a string value.
String
// Bool represents a boolean value.
Bool
// Float represents a floating point value.
Float
// Integer represents an integer value.
Integer
// LocalDate represents a a local date value.
LocalDate
// LocalTime represents a local time value.
LocalTime
// LocalDateTime represents a local date/time value.
LocalDateTime
// DateTime represents a data/time value.
DateTime
)
// String implementation of fmt.Stringer.
func (k Kind) String() string {
switch k {
case Invalid:
return "Invalid"
case Comment:
return "Comment"
case Key:
return "Key"
case Table:
return "Table"
case ArrayTable:
return "ArrayTable"
case KeyValue:
return "KeyValue"
case Array:
return "Array"
case InlineTable:
return "InlineTable"
case String:
return "String"
case Bool:
return "Bool"
case Float:
return "Float"
case Integer:
return "Integer"
case LocalDate:
return "LocalDate"
case LocalTime:
return "LocalTime"
case LocalDateTime:
return "LocalDateTime"
case DateTime:
return "DateTime"
}
panic(fmt.Errorf("Kind.String() not implemented for '%d'", k))
}

1266
vendor/github.com/pelletier/go-toml/v2/unstable/parser.go generated vendored Normal file

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package unstable
import "github.com/pelletier/go-toml/v2/internal/characters"
func scanFollows(b []byte, pattern string) bool {
n := len(pattern)
return len(b) >= n && string(b[:n]) == pattern
}
func scanFollowsMultilineBasicStringDelimiter(b []byte) bool {
return scanFollows(b, `"""`)
}
func scanFollowsMultilineLiteralStringDelimiter(b []byte) bool {
return scanFollows(b, `'''`)
}
func scanFollowsTrue(b []byte) bool {
return scanFollows(b, `true`)
}
func scanFollowsFalse(b []byte) bool {
return scanFollows(b, `false`)
}
func scanFollowsInf(b []byte) bool {
return scanFollows(b, `inf`)
}
func scanFollowsNan(b []byte) bool {
return scanFollows(b, `nan`)
}
func scanUnquotedKey(b []byte) ([]byte, []byte) {
// unquoted-key = 1*( ALPHA / DIGIT / %x2D / %x5F ) ; A-Z / a-z / 0-9 / - / _
for i := 0; i < len(b); i++ {
if !isUnquotedKeyChar(b[i]) {
return b[:i], b[i:]
}
}
return b, b[len(b):]
}
func isUnquotedKeyChar(r byte) bool {
return (r >= 'A' && r <= 'Z') || (r >= 'a' && r <= 'z') || (r >= '0' && r <= '9') || r == '-' || r == '_'
}
func scanLiteralString(b []byte) ([]byte, []byte, error) {
// literal-string = apostrophe *literal-char apostrophe
// apostrophe = %x27 ; ' apostrophe
// literal-char = %x09 / %x20-26 / %x28-7E / non-ascii
for i := 1; i < len(b); {
switch b[i] {
case '\'':
return b[:i+1], b[i+1:], nil
case '\n', '\r':
return nil, nil, NewParserError(b[i:i+1], "literal strings cannot have new lines")
}
size := characters.Utf8ValidNext(b[i:])
if size == 0 {
return nil, nil, NewParserError(b[i:i+1], "invalid character")
}
i += size
}
return nil, nil, NewParserError(b[len(b):], "unterminated literal string")
}
func scanMultilineLiteralString(b []byte) ([]byte, []byte, error) {
// ml-literal-string = ml-literal-string-delim [ newline ] ml-literal-body
// ml-literal-string-delim
// ml-literal-string-delim = 3apostrophe
// ml-literal-body = *mll-content *( mll-quotes 1*mll-content ) [ mll-quotes ]
//
// mll-content = mll-char / newline
// mll-char = %x09 / %x20-26 / %x28-7E / non-ascii
// mll-quotes = 1*2apostrophe
for i := 3; i < len(b); {
switch b[i] {
case '\'':
if scanFollowsMultilineLiteralStringDelimiter(b[i:]) {
i += 3
// At that point we found 3 apostrophe, and i is the
// index of the byte after the third one. The scanner
// needs to be eager, because there can be an extra 2
// apostrophe that can be accepted at the end of the
// string.
if i >= len(b) || b[i] != '\'' {
return b[:i], b[i:], nil
}
i++
if i >= len(b) || b[i] != '\'' {
return b[:i], b[i:], nil
}
i++
if i < len(b) && b[i] == '\'' {
return nil, nil, NewParserError(b[i-3:i+1], "''' not allowed in multiline literal string")
}
return b[:i], b[i:], nil
}
case '\r':
if len(b) < i+2 {
return nil, nil, NewParserError(b[len(b):], `need a \n after \r`)
}
if b[i+1] != '\n' {
return nil, nil, NewParserError(b[i:i+2], `need a \n after \r`)
}
i += 2 // skip the \n
continue
}
size := characters.Utf8ValidNext(b[i:])
if size == 0 {
return nil, nil, NewParserError(b[i:i+1], "invalid character")
}
i += size
}
return nil, nil, NewParserError(b[len(b):], `multiline literal string not terminated by '''`)
}
func scanWindowsNewline(b []byte) ([]byte, []byte, error) {
const lenCRLF = 2
if len(b) < lenCRLF {
return nil, nil, NewParserError(b, "windows new line expected")
}
if b[1] != '\n' {
return nil, nil, NewParserError(b, `windows new line should be \r\n`)
}
return b[:lenCRLF], b[lenCRLF:], nil
}
func scanWhitespace(b []byte) ([]byte, []byte) {
for i := 0; i < len(b); i++ {
switch b[i] {
case ' ', '\t':
continue
default:
return b[:i], b[i:]
}
}
return b, b[len(b):]
}
func scanComment(b []byte) ([]byte, []byte, error) {
// comment-start-symbol = %x23 ; #
// non-ascii = %x80-D7FF / %xE000-10FFFF
// non-eol = %x09 / %x20-7F / non-ascii
//
// comment = comment-start-symbol *non-eol
for i := 1; i < len(b); {
if b[i] == '\n' {
return b[:i], b[i:], nil
}
if b[i] == '\r' {
if i+1 < len(b) && b[i+1] == '\n' {
return b[:i+1], b[i+1:], nil
}
return nil, nil, NewParserError(b[i:i+1], "invalid character in comment")
}
size := characters.Utf8ValidNext(b[i:])
if size == 0 {
return nil, nil, NewParserError(b[i:i+1], "invalid character in comment")
}
i += size
}
return b, b[len(b):], nil
}
func scanBasicString(b []byte) ([]byte, bool, []byte, error) {
// basic-string = quotation-mark *basic-char quotation-mark
// quotation-mark = %x22 ; "
// basic-char = basic-unescaped / escaped
// basic-unescaped = wschar / %x21 / %x23-5B / %x5D-7E / non-ascii
// escaped = escape escape-seq-char
escaped := false
i := 1
for ; i < len(b); i++ {
switch b[i] {
case '"':
return b[:i+1], escaped, b[i+1:], nil
case '\n', '\r':
return nil, escaped, nil, NewParserError(b[i:i+1], "basic strings cannot have new lines")
case '\\':
if len(b) < i+2 {
return nil, escaped, nil, NewParserError(b[i:i+1], "need a character after \\")
}
escaped = true
i++ // skip the next character
}
}
return nil, escaped, nil, NewParserError(b[len(b):], `basic string not terminated by "`)
}
func scanMultilineBasicString(b []byte) ([]byte, bool, []byte, error) {
// ml-basic-string = ml-basic-string-delim [ newline ] ml-basic-body
// ml-basic-string-delim
// ml-basic-string-delim = 3quotation-mark
// ml-basic-body = *mlb-content *( mlb-quotes 1*mlb-content ) [ mlb-quotes ]
//
// mlb-content = mlb-char / newline / mlb-escaped-nl
// mlb-char = mlb-unescaped / escaped
// mlb-quotes = 1*2quotation-mark
// mlb-unescaped = wschar / %x21 / %x23-5B / %x5D-7E / non-ascii
// mlb-escaped-nl = escape ws newline *( wschar / newline )
escaped := false
i := 3
for ; i < len(b); i++ {
switch b[i] {
case '"':
if scanFollowsMultilineBasicStringDelimiter(b[i:]) {
i += 3
// At that point we found 3 apostrophe, and i is the
// index of the byte after the third one. The scanner
// needs to be eager, because there can be an extra 2
// apostrophe that can be accepted at the end of the
// string.
if i >= len(b) || b[i] != '"' {
return b[:i], escaped, b[i:], nil
}
i++
if i >= len(b) || b[i] != '"' {
return b[:i], escaped, b[i:], nil
}
i++
if i < len(b) && b[i] == '"' {
return nil, escaped, nil, NewParserError(b[i-3:i+1], `""" not allowed in multiline basic string`)
}
return b[:i], escaped, b[i:], nil
}
case '\\':
if len(b) < i+2 {
return nil, escaped, nil, NewParserError(b[len(b):], "need a character after \\")
}
escaped = true
i++ // skip the next character
case '\r':
if len(b) < i+2 {
return nil, escaped, nil, NewParserError(b[len(b):], `need a \n after \r`)
}
if b[i+1] != '\n' {
return nil, escaped, nil, NewParserError(b[i:i+2], `need a \n after \r`)
}
i++ // skip the \n
}
}
return nil, escaped, nil, NewParserError(b[len(b):], `multiline basic string not terminated by """`)
}

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@@ -0,0 +1,32 @@
package unstable
// Unmarshaler is implemented by types that can unmarshal a TOML
// description of themselves. The input is a valid TOML document
// containing the relevant portion of the parsed document.
//
// For tables (including split tables defined in multiple places),
// the data contains the raw key-value bytes from the original document
// with adjusted table headers to be relative to the unmarshaling target.
type Unmarshaler interface {
UnmarshalTOML(data []byte) error
}
// RawMessage is a raw encoded TOML value. It implements Unmarshaler
// and can be used to delay TOML decoding or capture raw content.
//
// Example usage:
//
// type Config struct {
// Plugin RawMessage `toml:"plugin"`
// }
//
// var cfg Config
// toml.NewDecoder(r).EnableUnmarshalerInterface().Decode(&cfg)
// // cfg.Plugin now contains the raw TOML bytes for [plugin]
type RawMessage []byte
// UnmarshalTOML implements Unmarshaler.
func (m *RawMessage) UnmarshalTOML(data []byte) error {
*m = append((*m)[0:0], data...)
return nil
}