sfizz/sources/Parser.h
2019-08-30 00:49:58 +02:00

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2.9 KiB
C++

// Copyright (c) 2019, Paul Ferrand
// All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#pragma once
#include "Opcode.h"
#include <filesystem>
#include <map>
#include <regex>
#include <string>
#include <string_view>
#include <vector>
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