guicast/replace.C

   1 #include <errno.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <string.h>
   5
   6
   7 #include "bcdisplayinfo.h"
   8 #include "bchash.h"
   9 #include "guicast.h"
  10
  11
  12 class MWindow : public BC_Window
  13 {
  14 public:
  15         MWindow(int x, int y)
  16          : BC_Window("Replace", x, y, 320, 200, 0, 0)
  17         {
  18         }
  19
  20         int create_objects(char *input, char *output)
  21         {
  22                 int x = 10, y = 10;
  23
  24                 add_subwindow(title = new BC_Title(x, y, "String to replace:"));
  25                 y += title->get_h() + 10;
  26                 add_subwindow(input_text = new BC_TextBox(x, y, 200, 1, input, 1));
  27                 y += input_text->get_h() + 10;
  28                 add_subwindow(title = new BC_Title(x, y, "Replacement string:"));
  29                 y += title->get_h() + 10;
  30                 add_subwindow(output_text = new BC_TextBox(x, y, 200, 1, output, 1));
  31                 y += output_text->get_h() + 10;
  32                 add_subwindow(new BC_OKButton(this));
  33                 x = get_w() - 100;
  34                 add_subwindow(new BC_CancelButton(this));
  35         }
  36
  37         BC_Title *title;
  38         BC_TextBox *input_text, *output_text;
  39 };
  40
  41
  42 int main(int argc, char *argv[])
  43 {
  44         char input[1024], output[1024];
  45         int result;
  46         BC_Hash defaults("~/.replacerc");
  47
  48         input[0] = 0;
  49         output[0] = 0;
  50         defaults.load();
  51         defaults.get("INPUT", input);
  52         defaults.get("OUTPUT", output);
  53         BC_DisplayInfo info;
  54
  55
  56         MWindow window(info.get_abs_cursor_x(), info.get_abs_cursor_y());
  57         window.create_objects(input, output);
  58         result = window.run_window();
  59
  60         if(result == 0)
  61         {
  62                 strcpy(input, window.input_text->get_text());
  63                 strcpy(output, window.output_text->get_text());
  64                 while(--argc > 0)
  65                 {
  66                         FILE *file;
  67                         char *buffer, *ptr1, *ptr2;
  68                         long len;
  69
  70                         if(!(file = fopen(argv[argc], "r")))
  71                         {
  72                                 printf("open %s for reading: %s", argv[argc], strerror(errno));
  73                                 continue;
  74                         }
  75
  76                         fseek(file, 0, SEEK_END);
  77                         len = ftell(file);
  78                         fseek(file, 0, SEEK_SET);
  79
  80                         buffer = (char*)malloc(len);
  81                         fread(buffer, 1, len, file);
  82                         fclose(file);
  83
  84                         if(!(file = fopen(argv[argc], "w")))
  85                         {
  86                                 printf("open %s for writing: %s", argv[argc], strerror(errno));
  87                                 continue;
  88                         }
  89
  90                         ptr1 = buffer;
  91                         do
  92                         {
  93                                 ptr2 = strstr(ptr1, input);
  94
  95                                 if(ptr2)
  96                                 {
  97                                         while(ptr1 < ptr2)
  98                                                 fputc(*ptr1++, file);
  99
 100                                         ptr1 += strlen(input);
 101                                         fprintf(file, "%s", output);
 102                                 }
 103                                 else
 104                                         while(ptr1 < buffer + len)
 105                                                 fputc(*ptr1++, file);
 106                         }while(ptr2);
 107                 }
 108                 printf("Replaced ""%s"" with ""%s"".\n", input, output);
 109         }
 110         else
 111                 printf("Cancelled.\n");
 112
 113         defaults.update("INPUT", input);
 114         defaults.update("OUTPUT", output);
 115         defaults.save();
 116
 117 }