X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fparser.h;h=3a42273eb783e98b74e13fb16e9f213917650c43;hb=4371289ed39d8135d407bc7bbbfbedea0cfd6dde;hp=107bb3f9c53b83256e441f6ac6f4de5446e8658c;hpb=5453824394771ca21de32088a2842486b63e6f6d;p=libs%2Fdatafile.git diff --git a/source/parser.h b/source/parser.h index 107bb3f..3a42273 100644 --- a/source/parser.h +++ b/source/parser.h @@ -1,42 +1,53 @@ -/* -This file is part of libmspparser -Copyright © 2006 Mikko Rasa, Mikkosoft Productions +/* $Id$ + +This file is part of libmspdatafile +Copyright © 2006-2007 Mikko Rasa, Mikkosoft Productions Distributed under the LGPL */ -#ifndef MSP_PARSER_PARSER_H_ -#define MSP_PARSER_PARSER_H_ -#include +#ifndef MSP_DATAFILE_PARSER_H_ +#define MSP_DATAFILE_PARSER_H_ + #include #include "input.h" namespace Msp { -namespace Parser { +namespace DataFile { +class ParserMode; class Statement; struct Token; +/** +Frontend for loading datafiles. Handles switching between text and binary +formats. A Parser evaluates into a boolean value indicating whether more +statements may be read. +*/ class Parser { -public: - Parser(std::istream &, const std::string &); - Statement parse(); - operator bool() const { return (bool)in; } private: Input in; + std::string main_src; std::string src; bool good; + ParserMode *mode; + +public: + Parser(IO::Base &i, const std::string &s); + ~Parser(); + + /** + Reads a statement from the input. If the end of input was reached, an empty + invalid statement will be returned. If an error occurs, the parser will be + marked as bad and no more statements may be read, even if the exception was + caught. + */ + Statement parse(); - Statement parse_(const Token *); - Token parse_token(); - bool is_delimiter(int); - bool isodigit(int); - std::string unescape_string(const std::string &); - std::string get_location(); - void parse_error(int, int); + operator bool() const { return good && in; } }; -} // namespace Parser +} // namespace DataFile } // namespace Msp #endif