sfizz/sources/Parser.h

40 lines
No EOL
1.6 KiB
C++

#pragma once
#include "Opcode.h"
#include <filesystem>
#include <regex>
#include <map>
#include <string>
#include <vector>
#include <string_view>
namespace sfz
{
namespace Regexes
{
inline static std::regex includes { R"V(#include\s*"(.*?)".*$)V", std::regex::optimize };
inline static std::regex defines { R"(#define\s*(\$[a-zA-Z0-9]+)\s+([a-zA-Z0-9]+)(?=\s|$))", std::regex::optimize };
inline static std::regex headers { R"(<(.*?)>(.*?)(?=<|$))", std::regex::optimize };
inline static std::regex members { R"(([a-zA-Z0-9_]+)=([a-zA-Z0-9-_#.\/\s\\\(\),\*]+)(?![a-zA-Z0-9_]*=))", std::regex::optimize };
inline static std::regex opcodeParameters{ R"(([a-zA-Z0-9_]+?)([0-9]+)$)", std::regex::optimize };
}
class Parser
{
public:
virtual bool loadSfzFile(const std::filesystem::path& file);
const std::map<std::string, std::string>& getDefines() const noexcept { return defines; }
const std::vector<std::filesystem::path>& getIncludedFiles() const noexcept { return includedFiles; }
void disableRecursiveIncludeGuard() { recursiveIncludeGuard = false; }
void enableRecursiveIncludeGuard() { recursiveIncludeGuard = true; }
protected:
virtual void callback(std::string_view header, const std::vector<Opcode>& members) = 0;
std::filesystem::path rootDirectory { std::filesystem::current_path() };
private:
bool recursiveIncludeGuard { false };
std::map<std::string, std::string> defines;
std::vector<std::filesystem::path> includedFiles;
std::string aggregatedContent { };
void readSfzFile(const std::filesystem::path& fileName, std::vector<std::string>& lines) noexcept;
};
} // namespace sfz