OpenAssetTools/src/Parser/Parsing/Impl/IncludingStreamProxy.h

32 lines
1.3 KiB
C++

#pragma once
#include <set>
#include "AbstractDirectiveStreamProxy.h"
#include "Parsing/IParserLineStream.h"
class IncludingStreamProxy final : public AbstractDirectiveStreamProxy
{
static constexpr const char* INCLUDE_QUOTES_ERROR = "Invalid include directive. Expected \"\" or <>";
static constexpr const char* INCLUDE_DIRECTIVE = "include";
static constexpr const char* PRAGMA_DIRECTIVE = "pragma";
static constexpr const char* ONCE_PRAGMA_COMMAND = "once";
IParserLineStream* const m_stream;
std::set<std::string> m_included_files;
_NODISCARD static bool ExtractIncludeFilename(const ParserLine& line, unsigned includeDirectivePosition, unsigned& directiveStartPos, unsigned& filenameEndPos);
_NODISCARD bool MatchIncludeDirective(const ParserLine& line, unsigned directiveStartPos, unsigned directiveEndPos) const;
_NODISCARD bool MatchPragmaOnceDirective(const ParserLine& line, unsigned directiveStartPos, unsigned directiveEndPos);
_NODISCARD bool MatchDirectives(const ParserLine& line);
public:
explicit IncludingStreamProxy(IParserLineStream* stream);
ParserLine NextLine() override;
bool IncludeFile(const std::string& filename) override;
void PopCurrentFile() override;
_NODISCARD bool IsOpen() const override;
_NODISCARD bool Eof() const override;
};