src/binary-source-file.cc

   1 /*
   2   binary-source-file.cc -- implement Binary_source_file
   3
   4   source file of the LilyPond music typesetter
   5
   6   (c) 1997 Jan Nieuwenhuizen
   7 */
   8
   9
  10 #include <limits.h>             // INT_MAX
  11 #include <assert.h>
  12
  13 #include "proto.hh"
  14 #include "plist.hh"
  15 #include "string.hh"
  16 #include "debug.hh"
  17 #include "source-file.hh"
  18 #include "binary-source-file.hh"
  19 #include "string-convert.hh"
  20
  21 Binary_source_file::Binary_source_file( String& filename_str )
  22         : Source_file( filename_str )
  23 {
  24 }
  25
  26 Binary_source_file::~Binary_source_file()
  27 {
  28 }
  29
  30 String
  31 Binary_source_file::error_str( char const* pos_ch_c_l )
  32 {
  33     assert( this );
  34     if ( !in_b( pos_ch_c_l ) )
  35         return "";
  36
  37     char const* begin_ch_c_l = pos_ch_c_l - 8 >? ch_c_l();
  38     char const* end_ch_c_l = pos_ch_c_l + 7 <? ch_c_l() + length_off();
  39
  40     String pre_str( (Byte const*)begin_ch_c_l, pos_ch_c_l - begin_ch_c_l );
  41     pre_str = String_convert::bin2hex_str( pre_str );
  42     for ( int i = 2; i < pre_str.length_i(); i += 3 )
  43         pre_str = pre_str.left_str( i ) + " " + pre_str.mid_str( i + 1, INT_MAX );
  44     String post_str( (Byte const*)pos_ch_c_l, end_ch_c_l - pos_ch_c_l );
  45     post_str = String_convert::bin2hex_str( post_str );
  46     for ( int i = 2; i < post_str.length_i(); i += 3 )
  47         post_str = post_str.left_str( i ) + " " + post_str.mid_str( i + 1, INT_MAX );
  48
  49     String str = pre_str
  50         + String( '\n' )
  51         + String( ' ', pre_str.length_i() + 1 )
  52         + post_str;
  53     return str;
  54 }
  55
  56 int
  57 Binary_source_file::line_i( char const* pos_ch_c_l )
  58 {
  59     if ( !in_b( pos_ch_c_l ) )
  60         return 0;
  61
  62     return pos_ch_c_l - ch_c_l();
  63 }
  64