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#include "cru/toml/TomlParser.hpp"
#include "cru/toml/TomlDocument.hpp"
namespace cru::toml {
TomlParser::TomlParser(String input) : input_(std::move(input)) {}
TomlParser::~TomlParser() = default;
TomlDocument TomlParser::Parse() {
if (cache_) {
return *cache_;
}
cache_ = TomlDocument();
DoParse(*cache_);
return *cache_;
}
void TomlParser::DoParse(TomlDocument& document) {
std::vector<String> lines = input_.SplitToLines(true);
String current_section_name;
for (auto& line : lines) {
line.Trim();
if (line.StartWith(u"[") && line.EndWith(u"]")) {
current_section_name = line.substr(1, line.size() - 2);
} else if (line.StartWith(u"#")) {
// Ignore comments.
} else {
auto equal_index = line.Find(u'=');
if (equal_index == -1) {
throw TomlParsingException(u"Invalid TOML line: " + line);
}
auto key = line.substr(0, equal_index).Trim();
auto value = line.substr(equal_index + 1).Trim();
auto remove_quote = [](const String& str) -> String {
if (str.size() < 2) {
return str;
}
if (str.StartWith(u"\"") && str.EndWith(u"\"")) {
return str.substr(1, str.size() - 2);
}
if (str.StartWith(u"\'") && str.EndWith(u"\'")) {
return str.substr(1, str.size() - 2);
}
return str;
};
key = remove_quote(key);
value = remove_quote(value);
document.GetSectionOrCreate(current_section_name)->SetValue(key, value);
}
}
}
} // namespace cru::toml
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