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Member "bbkeys-0.9.1/src/FileTokenizer.h" (6 Dec 2007, 2338 Bytes) of package /linux/privat/old/bbkeys-0.9.1.tar.gz:


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    1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
    2 // -- FileTokenizer.h --
    3 // Copyright (c) 2001 - 2003 Jason 'vanRijn' Kasper <vR at movingparts dot net>
    4 //
    5 // Permission is hereby granted, free of charge, to any person obtaining a
    6 // copy of this software and associated documentation files (the "Software"),
    7 // to deal in the Software without restriction, including without limitation
    8 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
    9 // and/or sell copies of the Software, and to permit persons to whom the
   10 // Software is furnished to do so, subject to the following conditions:
   11 //
   12 // The above copyright notice and this permission notice shall be included in
   13 // all copies or substantial portions of the Software.
   14 //
   15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   18 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   20 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
   21 // DEALINGS IN THE SOFTWARE.
   22 
   23 // E_O_H_VR
   24 
   25 #ifndef FILETOKENIZER_HH
   26 #define FILETOKENIZER_HH
   27 
   28 #include <string>
   29 #include <iostream>
   30 #include <fstream>
   31 #include <cctype>
   32 #include <algorithm>
   33 #include <map>
   34 #include "version.h"
   35 
   36 using namespace std;
   37 
   38 typedef map<string,unsigned int> KeywordMap;
   39 
   40 static bool defaultTokenError(const string& filename, const string& msg,
   41                               unsigned long lineno) {
   42     cerr << filename << ":" << lineno << " " << msg << '\n';
   43     return true;
   44 }
   45 
   46 struct TokenBlock {
   47     unsigned int tag;
   48     string name, data;
   49     unsigned long lineno;
   50 };
   51 
   52 class FileTokenizer {
   53  public:
   54     typedef bool (*TokenError)(const string&, const string&, unsigned long);
   55     FileTokenizer(const KeywordMap& keys, const char* filename,
   56                   TokenError errhandler = defaultTokenError);
   57     ~FileTokenizer(void);
   58     TokenBlock* next(void);
   59 
   60  private:
   61     ifstream file;
   62     string filename;
   63     const KeywordMap& keywords;
   64     TokenError error;
   65     unsigned long lineno;
   66     enum parse_state { WANT_NOTHING, WANT_TAG, WANT_NAME, WANT_DATA };
   67     parse_state state;
   68 };
   69 
   70 #endif