icuSources/tools/genprops/misc/ucdstrip.c

   1 /*
   2 *******************************************************************************
   3 *
   4 *   Copyright (C) 2003, International Business Machines
   5 *   Corporation and others.  All Rights Reserved.
   6 *
   7 *******************************************************************************
   8 *   file name:  ucdstrip.c
   9 *   encoding:   US-ASCII
  10 *   tab size:   8 (not used)
  11 *   indentation:4
  12 *
  13 *   created on: 2003feb20
  14 *   created by: Markus W. Scherer
  15 *
  16 *   Simple tool for Unicode Character Database files with semicolon-delimited fields.
  17 *   Removes comments behind data lines but not in others.
  18 *
  19 *   To compile, just call a C compiler/linker with this source file.
  20 *   On Windows: cl ucdstrip.c
  21 */
  22
  23 #include <stdio.h>
  24 #include <string.h>
  25 #include <stdlib.h>
  26
  27 /* return the first character position after the end of the data */
  28 static char *
  29 endOfData(const char *l) {
  30     char *end;
  31     char c;
  32
  33     end=strchr(l, '#');
  34     if(end!=NULL) {
  35         /* ignore whitespace before the comment */
  36         while(l!=end && ((c=*(end-1))==' ' || c=='\t')) {
  37             --end;
  38         }
  39     } else {
  40         end=strchr(l, 0);
  41     }
  42     return end;
  43 }
  44
  45 extern int
  46 main(int argc, const char *argv[]) {
  47     static char line[2000];
  48     char *end;
  49
  50     while(gets(line)!=NULL) {
  51         if(strtol(line, &end, 16)>=0 && end!=line) {
  52             /* code point or range followed by semicolon and data, remove comment */
  53             *endOfData(line)=0;
  54         }
  55         puts(line);
  56     }
  57
  58     return 0;
  59 }