src/parser/parser.h

   1 #ifndef _PARSER_H_
   2 #define _PARSER_H_
   3
   4 #include <string>
   5 #include <vector>
   6 #include <QTextStream>
   7
   8 #include "tokens.h"
   9 #include "../diff/diff.h"
  10
  11 class Parser{
  12   private:
  13     enum states{
  14         START_STATE = 0,
  15         FILE_STATE,
  16         HUNK_STATE,
  17         CONTEXT_STATE,
  18         ADDED_STATE,
  19         DELETED_STATE,
  20         CHANGED_STATE,
  21         END_STATE
  22     };
  23
  24     states _current_state;
  25     QString _current_line;
  26     Tokens::token _current_token;
  27
  28     QTextStream *_in;
  29     Tokens *_tokens;
  30
  31     File *_cur_file;
  32     Hunk *_cur_hunk;
  33     Text _cur_context;
  34     Text _cur_deleted;
  35     Text _cur_added;
  36
  37     void _changeState(states);
  38     void _readNextLine();
  39     QString _capCurrentLine(int);
  40
  41     void _createNewFile();
  42     void _finishFile();
  43
  44     void _createNewHunk();
  45     void _finishHunk();
  46
  47     void _addCurrentLineToContext();
  48     void _finishContext();
  49     void _addCurrentLineToAdded();
  50     void _finishAdded();
  51     void _addCurrentLineToDeleted();
  52     void _finishDeleted();
  53     void _finishChanged();
  54
  55     void _start();
  56     void _file();
  57     void _hunk();
  58     void _context();
  59     void _added();
  60     void _deleted();
  61     void _changed();
  62     void _end();
  63   public:
  64     Parser(std::string type, QTextStream *in) :
  65         _current_state(START_STATE),
  66         _in(in),
  67         _cur_file(NULL), _cur_hunk(NULL) { _tokens = factory(type); }
  68     void parse();
  69 };
  70
  71 #endif