apps/konsole/tests/quote.c

   1 // a silly quotation utitility
   2
   3 /*
   4    This code was written by Lars Doelle <lars.doelle@on-line.de>.
   5    This code is in the public domain.
   6 */
   7
   8 #include <stdio.h>
   9 #include <strings.h>
  10
  11 int skip = 0;
  12 int empty = 1;
  13
  14 void pchr(int c, int indent)
  15 {
  16   if (skip)
  17   {
  18     skip = (c != '\n');
  19     return;
  20   }
  21   switch(c)
  22   {
  23     case '\n':
  24        if (!empty)
  25            printf("\\n\"\n%*s\"",indent,"");
  26        empty = 1;
  27        break;
  28     case '#' :
  29        skip = 1;
  30        break;
  31     case '"' : case '\\':
  32        printf("\\");
  33        // fallthrough
  34     default:
  35        printf("%c",c);
  36        empty = 0;
  37        break;
  38   }
  39 }
  40
  41 #define INDENT 2
  42
  43 int main(int argc, char* argv[])
  44 { int cc; FILE *sysin;
  45   if (argc < 2) { fprintf(stderr,"usage: %s filename\n",argv[0]); return 1; }
  46   sysin = fopen(argv[1],"r");
  47   if (!sysin) { fprintf(stderr,"cannot open %s\n",argv[1]); perror("reason: "); return 1; }
  48   printf("%*s/* generated by '%s %s' */\n\n",INDENT,"",argv[0],argv[1]);
  49   printf("%*s\"",INDENT,"");
  50   while( (cc = fgetc(sysin)) > 0)
  51   {
  52     pchr(cc,INDENT);
  53   }
  54   printf("\"\n");
  55 }