Files
kte/GUIConfig.cc

130 lines
2.8 KiB
C++

#include <cstdlib>
#include <cstring>
#include <fstream>
#include <sstream>
#include <algorithm>
#include "GUIConfig.h"
static void
trim(std::string &s)
{
auto not_space = [](int ch) {
return !std::isspace(ch);
};
s.erase(s.begin(), std::find_if(s.begin(), s.end(), not_space));
s.erase(std::find_if(s.rbegin(), s.rend(), not_space).base(), s.end());
}
static std::string
default_config_path()
{
const char *home = std::getenv("HOME");
if (!home || !*home)
return {};
std::string path(home);
path += "/.config/kte/kge.ini";
return path;
}
GUIConfig
GUIConfig::Load()
{
GUIConfig cfg; // defaults already set
const std::string path = default_config_path();
if (!path.empty()) {
cfg.LoadFromFile(path);
}
return cfg;
}
bool
GUIConfig::LoadFromFile(const std::string &path)
{
std::ifstream in(path);
if (!in.good())
return false;
std::string line;
while (std::getline(in, line)) {
// Remove comments starting with '#' or ';'
auto hash = line.find('#');
if (hash != std::string::npos)
line.erase(hash);
auto sc = line.find("//");
if (sc != std::string::npos)
line.erase(sc);
// Basic key=value
auto eq = line.find('=');
if (eq == std::string::npos)
continue;
std::string key = line.substr(0, eq);
std::string val = line.substr(eq + 1);
trim(key);
trim(val);
// Strip trailing semicolon
if (!val.empty() && val.back() == ';') {
val.pop_back();
trim(val);
}
// Lowercase key
std::transform(key.begin(), key.end(), key.begin(), [](unsigned char c) {
return (char) std::tolower(c);
});
if (key == "fullscreen") {
fullscreen = (val == "1" || val == "true" || val == "on" || val == "yes");
} else if (key == "columns" || key == "cols") {
int v = columns;
try {
v = std::stoi(val);
} catch (...) {}
if (v > 0)
columns = v;
} else if (key == "rows") {
int v = rows;
try {
v = std::stoi(val);
} catch (...) {}
if (v > 0)
rows = v;
} else if (key == "font_size" || key == "fontsize") {
float v = font_size;
try {
v = std::stof(val);
} catch (...) {}
if (v > 0.0f) {
font_size = v;
}
} else if (key == "font") {
font = val;
} else if (key == "theme") {
theme = val;
} else if (key == "background" || key == "bg") {
std::string v = val;
std::transform(v.begin(), v.end(), v.begin(), [](unsigned char c) {
return (char) std::tolower(c);
});
if (v == "light" || v == "dark")
background = v;
} else if (key == "syntax") {
std::string v = val;
std::transform(v.begin(), v.end(), v.begin(), [](unsigned char c) {
return (char) std::tolower(c);
});
if (v == "1" || v == "on" || v == "true" || v == "yes") {
syntax = true;
} else if (v == "0" || v == "off" || v == "false" || v == "no") {
syntax = false;
}
}
}
return true;
}