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#include "cru/toml/TomlParser.h"
#include "cru/base/StringUtil.h"
#include "cru/toml/TomlDocument.h"
namespace cru::toml {
TomlParser::TomlParser(std::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<std::string> lines = cru::string::Split(input_, "\n", cru::string::SplitOptions::RemoveSpace);
std::string current_section_name;
for (auto& line : lines) {
line = cru::string::Trim(line);
if (line.starts_with("[") && line.ends_with("]")) {
current_section_name = line.substr(1, line.size() - 2);
} else if (line.starts_with("#")) {
// Ignore comments.
} else {
auto equal_index = line.find('=');
if (equal_index == std::string::npos) {
throw TomlParsingException("Invalid TOML line: " + line);
}
auto key = cru::string::Trim(line.substr(0, equal_index));
auto value = cru::string::Trim(line.substr(equal_index + 1));
document.GetSectionOrCreate(current_section_name)->SetValue(key, value);
}
}
}
} // namespace cru::toml
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