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Refactor syntax highlighting infrastructure and related classes.

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- Moved all language highlighter implementations (`CppHighlighter`, `GoHighlighter`, `JsonHighlighter`, etc.), the engine, and registry to `syntax/`.
This commit is contained in:
Kyle Isom
2025-12-02 01:36:26 -08:00
parent ceef6af3ae
commit d15b241140
64 changed files with 3957 additions and 2582 deletions
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78
GUIFrontend.cc
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@@ -16,8 +16,8 @@
#include "Font.h" // embedded default font (DefaultFontRegular)
#include "GUIConfig.h"
#include "GUITheme.h"
#include "HighlighterRegistry.h"
#include "NullHighlighter.h"
#include "syntax/HighlighterRegistry.h"
#include "syntax/NullHighlighter.h"
#ifndef KTE_FONT_SIZE
@@ -108,42 +108,44 @@ GUIFrontend::Init(Editor &ed)
(void) io;
ImGui::StyleColorsDark();
// Apply background mode and selected theme (default: Nord). Can be changed at runtime via commands.
if (cfg.background == "light")
kte::SetBackgroundMode(kte::BackgroundMode::Light);
else
kte::SetBackgroundMode(kte::BackgroundMode::Dark);
kte::ApplyThemeByName(cfg.theme);
// Apply background mode and selected theme (default: Nord). Can be changed at runtime via commands.
if (cfg.background == "light")
kte::SetBackgroundMode(kte::BackgroundMode::Light);
else
kte::SetBackgroundMode(kte::BackgroundMode::Dark);
kte::ApplyThemeByName(cfg.theme);
// Apply default syntax highlighting preference from GUI config to the current buffer
if (Buffer *b = ed.CurrentBuffer()) {
if (cfg.syntax) {
b->SetSyntaxEnabled(true);
// Ensure a highlighter is available if possible
b->EnsureHighlighter();
if (auto *eng = b->Highlighter()) {
if (!eng->HasHighlighter()) {
// Try detect from filename and first line; fall back to cpp or existing filetype
std::string first_line;
const auto &rows = b->Rows();
if (!rows.empty()) first_line = static_cast<std::string>(rows[0]);
std::string ft = kte::HighlighterRegistry::DetectForPath(b->Filename(), first_line);
if (!ft.empty()) {
eng->SetHighlighter(kte::HighlighterRegistry::CreateFor(ft));
b->SetFiletype(ft);
eng->InvalidateFrom(0);
} else {
// Unknown/unsupported -> install a null highlighter to keep syntax enabled
eng->SetHighlighter(std::make_unique<kte::NullHighlighter>());
b->SetFiletype("");
eng->InvalidateFrom(0);
}
}
}
} else {
b->SetSyntaxEnabled(false);
}
}
// Apply default syntax highlighting preference from GUI config to the current buffer
if (Buffer *b = ed.CurrentBuffer()) {
if (cfg.syntax) {
b->SetSyntaxEnabled(true);
// Ensure a highlighter is available if possible
b->EnsureHighlighter();
if (auto *eng = b->Highlighter()) {
if (!eng->HasHighlighter()) {
// Try detect from filename and first line; fall back to cpp or existing filetype
std::string first_line;
const auto &rows = b->Rows();
if (!rows.empty())
first_line = static_cast<std::string>(rows[0]);
std::string ft = kte::HighlighterRegistry::DetectForPath(
b->Filename(), first_line);
if (!ft.empty()) {
eng->SetHighlighter(kte::HighlighterRegistry::CreateFor(ft));
b->SetFiletype(ft);
eng->InvalidateFrom(0);
} else {
// Unknown/unsupported -> install a null highlighter to keep syntax enabled
eng->SetHighlighter(std::make_unique<kte::NullHighlighter>());
b->SetFiletype("");
eng->InvalidateFrom(0);
}
}
}
} else {
b->SetSyntaxEnabled(false);
}
}
if (!ImGui_ImplSDL2_InitForOpenGL(window_, gl_ctx_))
return false;
@@ -316,4 +318,4 @@ GUIFrontend::LoadGuiFont_(const char * /*path*/, float size_px)
}
// No runtime font reload or system font resolution in this simplified build.
// No runtime font reload or system font resolution in this simplified build.