"Fossies" - the Fresh Open Source Software Archive

Member "qdiff-0.9.1/tdiffoutput.h" (21 Oct 2008, 3162 Bytes) of package /linux/privat/old/qdiff-0.9.1.tar.gz:

    1 /*GPL*START*
    2  * 
    3  * Copyright (C) 1998 by Johannes Overmann <overmann@iname.com>
    4  * Copyright (C) 2008 by Tong Sun <suntong001@users.sourceforge.net>
    5  * 
    6  * This program is free software; you can redistribute it and/or modify
    7  * it under the terms of the GNU General Public License as published by
    8  * the Free Software Foundation; either version 2 of the License, or
    9  * (at your option) any later version.
   10  * 
   11  * This program is distributed in the hope that it will be useful,
   12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   14  * GNU General Public License for more details.
   15  * 
   16  * You should have received a copy of the GNU General Public License along
   17  * with this program; if not, write to the Free Software Foundation, Inc.,
   18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   19  * *GPL*END*/  
   20 
   21 #ifndef _tdiffoutput_h_
   22 #define _tdiffoutput_h_
   23 
   24 #include <sys/stat.h>
   25 #include <sys/mman.h>
   26 #include <sys/ioctl.h>
   27 #include <fcntl.h>
   28 #include <unistd.h>
   29 #include <stdio.h>
   30 #include <stdlib.h>
   31 
   32 #include "terror.h"
   33 #include "trotfile.h"
   34 #include "tappconfig.h"
   35 
   36 class TDiffOutput {
   37  public:
   38    // ctor & dtor
   39    TDiffOutput(TROTFile& f1, TROTFile& f2, const TAppConfig& ac);
   40    ~TDiffOutput();
   41    
   42    // interface
   43    void ins(int i); // insertion 
   44    void del(int i); // deletion
   45    void sub(int i, int ins=0, int del=0); // substitution
   46    void mat(int i); // match
   47    
   48    void flush();    // flush buffers: assume no more output   
   49    
   50  private:  // private data
   51    TROTFile& f1;    // file data
   52    TROTFile& f2;
   53    int o1;          // current offset in file
   54    int o2;
   55    const TAppConfig& ac;  // for command line options
   56    enum MODE_T {VERTICAL, F_ASCII, U_ASCII, HEX} mode;
   57    enum DIFF_T {NIL, MAT, SUB, DEL, INS};
   58    bool verbose;
   59       
   60    // output options:
   61    bool hide_mat;
   62    bool hide_ins;
   63    bool hide_del;
   64    bool hide_sub;
   65    bool range_mat;
   66    bool range_ins;
   67    bool range_del;
   68    bool range_sub;
   69    bool no_color;
   70    int width;
   71    int bytes_per_line;
   72    int max_bytes_per_line;
   73    int half_line_len;
   74    char *linebuf1;
   75    char *linebuf2;
   76    char *linebuf1p;
   77    char *linebuf2p;
   78    int bytesin1;
   79    int bytesin2;
   80    DIFF_T lastcolor1;
   81    DIFF_T lastcolor2;
   82    bool needadr1;
   83    bool needadr2;
   84    int line1;
   85    int line2;
   86    int tab_size;
   87    bool alignment_marks;
   88    bool show_lf_and_tab;
   89    bool show_space;
   90    bool line_numbers;
   91    bool no_line_break;
   92    char unprint;
   93    bool control_hex;
   94    
   95    // private methods
   96    MODE_T autoMode();
   97    void setStrLen(char *str, int len) const;
   98    void printSplitLine(char *abuf1, char *abuf2) const;
   99    void putHexElem(int o1, uchar b1, int o2, uchar b2, DIFF_T diff);
  100    void putAscElem(int o1, uchar b1, int o2, uchar b2, DIFF_T diff, bool formatted);
  101    const char *colorStr(DIFF_T diff) const;
  102    int charLen(uchar c, int pos) const;
  103    void putSpace(char **p, int num) const;
  104    void putChar(char **p, uchar c, int pos) const;
  105    const char *printChar(uchar c, char *buf) const;
  106    
  107    // forbid copy
  108    TDiffOutput(const TDiffOutput&);   
  109    const TDiffOutput& operator= (const TDiffOutput&);
  110 };
  111 
  112 #endif
  113 
  114