// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*- // -- FileTokenizer.h -- // Copyright (c) 2001 - 2003 Jason 'vanRijn' Kasper <vR at movingparts dot net> // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // E_O_H_VR #ifndef FILETOKENIZER_HH #define FILETOKENIZER_HH #include <string> #include <iostream> #include <fstream> #include <cctype> #include <algorithm> #include <map> #include "version.h" using namespace std; typedef map<string,unsigned int> KeywordMap; static bool defaultTokenError(const string& filename, const string& msg, unsigned long lineno) { cerr << filename << ":" << lineno << " " << msg << '\n'; return true; } struct TokenBlock { unsigned int tag; string name, data; unsigned long lineno; }; class FileTokenizer { public: typedef bool (*TokenError)(const string&, const string&, unsigned long); FileTokenizer(const KeywordMap& keys, const char* filename, TokenError errhandler = defaultTokenError); ~FileTokenizer(void); TokenBlock* next(void); private: ifstream file; string filename; const KeywordMap& keywords; TokenError error; unsigned long lineno; enum parse_state { WANT_NOTHING, WANT_TAG, WANT_NAME, WANT_DATA }; parse_state state; }; #endif