src/catppt.c

   1 /**
   2  * @file   ppt2text.c
   3  * @author Alex Ott <alexott@gmail.com>
   4  * @date   23 äÅË 2004
   5  * Version: $Id: catppt.c,v 1.2 2006-10-17 19:11:29 vitus Exp $
   6  * Copyright: Alex Ott
   7  *
   8  * @brief  main module for text extracting from .ppt
   9  *
  10  *
  11  */
  12
  13 #ifdef HAVE_CONFIG_H
  14 #include <config.h>
  15 #endif
  16 #include <stdio.h>
  17 #include <time.h>
  18 #include <math.h>
  19 #include <ctype.h>
  20 #include <string.h>
  21 #include <unistd.h>
  22 #include "ppt.h"
  23 #include "catdoc.h"
  24 #include <stdlib.h>
  25 #include "catdoc.h"
  26 #include "float.h"
  27
  28 #ifdef __TURBOC__
  29 #define strcasecmp(a,b) strcmpi(a,b)
  30 #endif
  31
  32 /**
  33  * Displays  help message
  34  *
  35  */
  36 void help (void) {
  37         printf("Usage:\n catppt [-lV] [-b string] [-s charset] [-d charset] files\n");
  38 }
  39
  40 extern char *slide_separator;
  41 char *input_buffer, *output_buffer;
  42
  43 /**
  44  *
  45  *
  46  * @param argc
  47  * @param argv
  48  *
  49  * @return
  50  */
  51 int main(int argc, char *argv[]) {
  52         FILE *input;
  53         FILE *new_file, *ole_file;
  54         char *filename =NULL;
  55         short int *tmp_charset;
  56         int c;
  57         int i;
  58         char *tempname;
  59         read_config_file(SYSTEMRC);
  60 #ifdef USERRC
  61         tempname=find_file(strdup(USERRC),getenv("HOME"));
  62         if (tempname) {
  63                 read_config_file(tempname);
  64                 free(tempname);
  65         }
  66 #endif
  67 #ifdef HAVE_LANGINFO
  68         get_locale_charset();
  69 #endif
  70
  71         check_charset(&dest_csname,dest_csname);
  72
  73         while ((c=getopt(argc,argv,"Vls:d:b:"))!=-1) {
  74                 switch(c)  {
  75                 case 'l':
  76                         list_charsets(); exit(0);
  77                 case 's':
  78                         check_charset(&source_csname,optarg);
  79                         source_charset=read_charset(source_csname);
  80                         break;
  81                 case 'd':
  82                         check_charset(&dest_csname,optarg);
  83                         break;
  84                 case 'b':
  85                         slide_separator = strdup(optarg);
  86                         break;
  87                 case 'V': printf("Catdoc Version %s\n",CATDOC_VERSION);
  88                         exit(0);
  89                 default:
  90                         help();
  91                         exit(1);
  92                 }
  93         }
  94         /* If we are using system strftime, we need to  set LC_TIME locale
  95          * category unless choosen charset is not same as system locale
  96          */
  97 #if defined(HAVE_LANGINFO) && defined(HAVE_STRFTIME) && !defined(__TURB0C__)
  98         set_time_locale();
  99 #endif
 100         /* charset conversion init*/
 101         input_buffer=malloc(FILE_BUFFER);
 102         if (strcmp(dest_csname,"utf-8")) {
 103                 tmp_charset=read_charset(dest_csname);
 104                 if (!tmp_charset) {
 105                         fprintf(stderr,"Cannot load target charset %s\n",dest_csname);
 106                         exit(1);
 107                 }
 108                 target_charset=make_reverse_map(tmp_charset);
 109                 free(tmp_charset);
 110         } else {
 111                 target_charset=NULL;
 112         }
 113         spec_chars=read_substmap(stradd("ascii",SPEC_EXT));
 114         if (!spec_chars) {
 115                 fprintf(stderr,"Cannod read substitution map ascii%s\n",
 116                                                 SPEC_EXT);
 117                 exit(1);
 118         }
 119         replacements=read_substmap(stradd("ascii",REPL_EXT));
 120         if (!replacements) {
 121                 fprintf(stderr,"Cannod read substitution map ascii%s\n",
 122                                                 REPL_EXT);
 123                 exit(1);
 124         }
 125         if (optind>=argc) {
 126                 if (isatty(fileno(stdin))) {
 127                         help();
 128                         exit(0);
 129                 }
 130                 do_ppt(stdin,"STDIN");
 131                 exit (0);
 132         }
 133         for (i=optind;i<argc;i++) {
 134                 filename = argv[i];
 135                 input=fopen(filename,"rb");
 136                 if (!input) {
 137                         perror(filename);
 138                         exit(1);
 139                 }
 140                 if ((new_file=ole_init(input, NULL, 0)) != NULL) {
 141                         set_ole_func();
 142                         while((ole_file=ole_readdir(new_file)) != NULL) {
 143                                 int res=ole_open(ole_file);
 144 /*                              fprintf(stderr, "name = %s\n", ((oleEntry*)ole_file)->name); */
 145                                 if (res >= 0) {
 146                                         if (strcasecmp(((oleEntry*)ole_file)->name , "PowerPoint Document") == 0) {
 147                                                 do_ppt(ole_file,filename);
 148                                         }
 149                                 }
 150                                 ole_close(ole_file);
 151                         }
 152                         set_std_func();
 153                         ole_finish();
 154                         fclose(new_file);
 155                 } else {
 156                         fprintf(stderr, "%s is not OLE file or Error\n", filename);
 157                 }
 158         }
 159         return 0;
 160 }