util/cclsh.c

   1 /* This file is part of the YAZ toolkit.
   2  * Copyright (C) 1995-2011 Index Data
   3  * See the file LICENSE for details.
   4  */
   5 #if HAVE_CONFIG_H
   6 #include <config.h>
   7 #endif
   8
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12
  13 #include <yaz/ccl_xml.h>
  14 #include <yaz/options.h>
  15
  16 #if HAVE_READLINE_READLINE_H
  17 #include <readline/readline.h>
  18 #endif
  19 #if HAVE_READLINE_HISTORY_H
  20 #include <readline/history.h>
  21 #endif
  22
  23
  24 static int debug = 0;
  25 static char *prog;
  26
  27 void usage(const char *prog)
  28 {
  29     fprintf(stderr, "%s: [-d] [-b configfile] [-x xmlconfig]\n", prog);
  30     exit(1);
  31 }
  32
  33 int main(int argc, char **argv)
  34 {
  35     CCL_bibset bibset;
  36     FILE *bib_inf;
  37     char *bib_fname;
  38     int ret;
  39     char *arg;
  40 #if YAZ_HAVE_XML2
  41     xmlDocPtr doc;
  42     const char *addinfo;
  43 #endif
  44     WRBUF q_wrbuf = 0;
  45
  46     prog = *argv;
  47     bibset = ccl_qual_mk();
  48
  49     while ((ret = options("db:x:", argv, argc, &arg)) != -2)
  50     {
  51         switch(ret)
  52         {
  53         case 'd':
  54             debug = 1;
  55             break;
  56         case 'b':
  57             bib_fname = arg;
  58             bib_inf = fopen(bib_fname, "r");
  59             if (!bib_inf)
  60             {
  61                 fprintf(stderr, "%s: cannot open %s\n", prog,
  62                          bib_fname);
  63                 exit(1);
  64             }
  65             ccl_qual_file(bibset, bib_inf);
  66             fclose(bib_inf);
  67             break;
  68 #if YAZ_HAVE_XML2
  69         case 'x':
  70             doc = xmlParseFile(arg);
  71             if (!doc)
  72             {
  73                 fprintf(stderr, "%s: could not read %s\n", prog, arg);
  74                 exit(1);
  75             }
  76             if (ccl_xml_config(bibset, xmlDocGetRootElement(doc), &addinfo))
  77             {
  78                 fprintf(stderr, "%s: error in %s: %s\n", prog, arg, addinfo);
  79                 exit(1);
  80             }
  81             xmlFreeDoc(doc);
  82             break;
  83 #endif
  84         case 0:
  85             if (q_wrbuf)
  86                 wrbuf_puts(q_wrbuf, " ");
  87             else
  88                 q_wrbuf = wrbuf_alloc();
  89             wrbuf_puts(q_wrbuf, arg);
  90             break;
  91         default:
  92             usage(prog);
  93         }
  94     }
  95     if (q_wrbuf)
  96     {
  97         CCL_parser cclp = ccl_parser_create(bibset);
  98         int error;
  99         struct ccl_rpn_node *rpn;
 100
 101         rpn = ccl_parser_find_str(cclp, wrbuf_cstr(q_wrbuf));
 102
 103         error = ccl_parser_get_error(cclp, 0);
 104
 105         if (error)
 106         {
 107             printf("%s\n", ccl_err_msg(error));
 108         }
 109         else
 110         {
 111             if (rpn)
 112             {
 113                 ccl_pr_tree(rpn, stdout);
 114                 printf("\n");
 115             }
 116         }
 117         ccl_parser_destroy(cclp);
 118         if (rpn)
 119             ccl_rpn_delete(rpn);
 120         wrbuf_destroy(q_wrbuf);
 121         exit(0);
 122     }
 123     while (1)
 124     {
 125         char buf[1000];
 126         int i, error;
 127         struct ccl_rpn_node *rpn;
 128
 129 #if HAVE_READLINE_READLINE_H
 130             char* line_in;
 131             line_in=readline("CCLSH>");
 132             if (!line_in)
 133                 break;
 134 #if HAVE_READLINE_HISTORY_H
 135             if (*line_in)
 136                 add_history(line_in);
 137 #endif
 138             if (strlen(line_in) > 999) {
 139                 fprintf(stderr,"Input line to long\n");
 140                 break;
 141             }
 142             strcpy(buf,line_in);
 143             free(line_in);
 144 #else
 145         printf("CCLSH>"); fflush(stdout);
 146         if (!fgets(buf, 999, stdin))
 147             break;
 148 #endif
 149
 150         for (i = 0; i<1; i++)
 151         {
 152             CCL_parser cclp = ccl_parser_create(bibset);
 153             int pos;
 154
 155             rpn = ccl_parser_find_str(cclp, buf);
 156
 157             error = ccl_parser_get_error(cclp, &pos);
 158
 159             if (error)
 160             {
 161                 printf("%*s^ - ", 6+pos, " ");
 162                 printf("%s\n", ccl_err_msg(error));
 163             }
 164             else
 165             {
 166                 if (rpn && i == 0)
 167                 {
 168                     ccl_stop_words_t csw = ccl_stop_words_create();
 169                     int idx = 0;
 170                     printf("First:\n");
 171                     ccl_pr_tree(rpn, stdout);
 172                     if (ccl_stop_words_tree(csw, bibset, &rpn))
 173                     {
 174                         printf("Second:\n");
 175                         ccl_pr_tree(rpn, stdout);
 176                         printf("\n");
 177
 178                         for (idx = 0; ; idx++)
 179                         {
 180                             const char *qname;
 181                             const char *term;
 182                             if (!ccl_stop_words_info(csw, idx,
 183                                                      &qname, &term))
 184                                 break;
 185                             printf("Removed from %s: %s\n",
 186                                    qname ? qname : "none", term);
 187                         }
 188                     }
 189                     ccl_stop_words_destroy(csw);
 190                 }
 191             }
 192             ccl_parser_destroy(cclp);
 193             if (rpn)
 194                 ccl_rpn_delete(rpn);
 195         }
 196     }
 197     printf("\n");
 198     ccl_qual_rm(&bibset);
 199     return 0;
 200 }
 201 /*
 202  * Local variables:
 203  * c-basic-offset: 4
 204  * c-file-style: "Stroustrup"
 205  * indent-tabs-mode: nil
 206  * End:
 207  * vim: shiftwidth=4 tabstop=8 expandtab
 208  */
 209