src/quote_fmt_parse.y

   1 %{
   2
   3 #include "defs.h"
   4
   5 #include <ctype.h>
   6 #include <gtk/gtk.h>
   7 #include <glib.h>
   8
   9 #include "procmsg.h"
  10 #include "procmime.h"
  11 #include "utils.h"
  12 #include "intl.h"
  13
  14 #include "quote_fmt.h"
  15 #include "quote_fmt_lex.h"
  16
  17 /* decl */
  18 /*
  19 flex quote_fmt.l
  20 bison -p quote_fmt quote_fmt.y
  21 */
  22
  23 static MsgInfo * msginfo = NULL;
  24 static gboolean * visible = NULL;
  25 static gint maxsize = 0;
  26 static gint stacksize = 0;
  27
  28 static gchar * buffer = NULL;
  29 static gint bufmax = 0;
  30 static gint bufsize = 0;
  31 static gchar * quote_str = NULL;
  32 static gint error = 0;
  33
  34 static void add_visibility(gboolean val)
  35 {
  36         stacksize ++;
  37         if (maxsize < stacksize) {
  38                 maxsize += 128;
  39                 visible = g_realloc(visible, maxsize * sizeof(gboolean));
  40                 if (visible == NULL)
  41                         maxsize = 0;
  42         }
  43
  44         visible[stacksize - 1] = val;
  45 }
  46
  47 static void remove_visibility()
  48 {
  49         stacksize --;
  50 }
  51
  52
  53 static void add_buffer(gchar * s)
  54 {
  55         gint len = strlen(s);
  56
  57         if (bufsize + len + 1 > bufmax) {
  58                 if (bufmax == 0)
  59                         bufmax = 128;
  60                 while (bufsize + len + 1 > bufmax)
  61                         bufmax *= 2;
  62                 buffer = g_realloc(buffer, bufmax);
  63         }
  64         strcpy(buffer + bufsize, s);
  65         bufsize += len;
  66 }
  67
  68 static void flush_buffer()
  69 {
  70         if (buffer != NULL)
  71                 *buffer = 0;
  72         bufsize = 0;
  73 }
  74
  75 gchar * quote_fmt_get_buffer()
  76 {
  77         if (error != 0)
  78                 return NULL;
  79         else
  80                 return buffer;
  81 }
  82
  83 #define INSERT(buf) \
  84         if (stacksize != 0 && visible[stacksize - 1]) \
  85                 add_buffer(buf)
  86
  87 #define INSERT_CHARACTER(chr) \
  88         if (stacksize != 0 && visible[stacksize - 1]) { \
  89                 gchar tmp[2]; \
  90                 tmp[0] = (chr); \
  91                 tmp[1] = '\0'; \
  92                 add_buffer(tmp); \
  93         }
  94
  95 void quote_fmt_init(MsgInfo * info, gchar * my_quote_str)
  96 {
  97         quote_str = my_quote_str;
  98         msginfo = info;
  99         stacksize = 0;
 100         add_visibility(TRUE);
 101         if (buffer != NULL)
 102                 *buffer = 0;
 103         bufsize = 0;
 104         error = 0;
 105 }
 106
 107 void quote_fmterror(char * str)
 108 {
 109         g_warning(_("Error %s\n"), str);
 110         error = 1;
 111 }
 112
 113 int quote_fmtwrap(void)
 114 {
 115         return 1;
 116 }
 117
 118 static int isseparator(char ch)
 119 {
 120         return isspace(ch) || ch == '.' || ch == '-';
 121 }
 122 %}
 123
 124 %union {
 125         char chr;
 126 }
 127
 128 %token SHOW_NEWSGROUPS
 129 %token SHOW_DATE SHOW_FROM SHOW_FULLNAME SHOW_FIRST_NAME
 130 %token SHOW_SENDER_INITIAL SHOW_SUBJECT SHOW_TO SHOW_MESSAGEID
 131 %token SHOW_PERCENT SHOW_CC SHOW_REFERENCES SHOW_MESSAGE
 132 %token SHOW_QUOTED_MESSAGE SHOW_BACKSLASH SHOW_TAB
 133 %token SHOW_QUOTED_MESSAGE_NO_SIGNATURE SHOW_MESSAGE_NO_SIGNATURE
 134 %token SHOW_EOL SHOW_QUESTION_MARK SHOW_OPARENT SHOW_CPARENT
 135 %token QUERY_DATE QUERY_FROM
 136 %token QUERY_FULLNAME QUERY_SUBJECT QUERY_TO QUERY_NEWSGROUPS
 137 %token QUERY_MESSAGEID QUERY_CC QUERY_REFERENCES
 138 %token OPARENT CPARENT
 139 %token CHARACTER
 140
 141 %start quote_fmt
 142
 143 %token <chr> CHARACTER
 144 %type <chr> character
 145
 146 %%
 147
 148 quote_fmt:
 149         character_or_special_or_query_list;
 150
 151 character_or_special_or_query_list:
 152         character_or_special_or_query character_or_special_or_query_list
 153         | character_or_special_or_query ;
 154
 155 character_or_special_or_query:
 156         special ;
 157         | character
 158         {
 159                 INSERT_CHARACTER($1);
 160         }
 161         | query ;
 162
 163
 164 character:
 165         CHARACTER
 166         ;
 167
 168 special:
 169         SHOW_NEWSGROUPS
 170         {
 171                 if (msginfo->newsgroups)
 172                         INSERT(msginfo->newsgroups);
 173         }
 174         | SHOW_DATE
 175         {
 176                 if (msginfo->date)
 177                         INSERT(msginfo->date);
 178         }
 179         | SHOW_FROM
 180         {
 181                 if (msginfo->from)
 182                         INSERT(msginfo->from);
 183         }
 184         | SHOW_FULLNAME
 185         {
 186                 if (msginfo->fromname)
 187                         INSERT(msginfo->fromname);
 188         }
 189         | SHOW_FIRST_NAME
 190         {
 191                 if (msginfo->fromname) {
 192                         gchar * p;
 193                         gchar * str;
 194
 195                         str = alloca(strlen(msginfo->fromname) + 1);
 196                         if (str != NULL) {
 197                                 strcpy(str, msginfo->fromname);
 198                                 p = str;
 199                                 while (*p && !isspace(*p)) p++;
 200                                 *p = '\0';
 201                                 INSERT(str);
 202                         }
 203                 }
 204         }
 205         | SHOW_SENDER_INITIAL
 206         {
 207 #define MAX_SENDER_INITIAL 20
 208                 if (msginfo->fromname) {
 209                         gchar tmp[MAX_SENDER_INITIAL];
 210                         gchar * p;
 211                         gchar * cur;
 212                         gint len = 0;
 213
 214                         p = msginfo->fromname;
 215                         cur = tmp;
 216                         while (*p) {
 217                                 if (*p && isalnum(*p)) {
 218                                         *cur = toupper(*p);
 219                                                 cur ++;
 220                                         len ++;
 221                                         if (len >= MAX_SENDER_INITIAL - 1)
 222                                                 break;
 223                                 }
 224                                 else
 225                                         break;
 226                                 while (*p && !isseparator(*p)) p++;
 227                                 while (*p && isseparator(*p)) p++;
 228                         }
 229                         *cur = '\0';
 230                         INSERT(tmp);
 231                 }
 232         }
 233         | SHOW_SUBJECT
 234         {
 235                 if (msginfo->subject)
 236                         INSERT(msginfo->subject);
 237         }
 238         | SHOW_TO
 239         {
 240                 if (msginfo->to)
 241                         INSERT(msginfo->to);
 242         }
 243         | SHOW_MESSAGEID
 244         {
 245                 if (msginfo->msgid)
 246                         INSERT(msginfo->msgid);
 247         }
 248         | SHOW_PERCENT
 249         {
 250                 INSERT("%");
 251         }
 252         | SHOW_CC
 253         {
 254                 if (msginfo->cc)
 255                         INSERT(msginfo->cc);
 256         }
 257         | SHOW_REFERENCES
 258         {
 259                 if (msginfo->references)
 260                         INSERT(msginfo->references);
 261         }
 262         | SHOW_MESSAGE
 263         {
 264                 gchar buf[BUFFSIZE];
 265                 FILE * fp;
 266
 267                 if ((fp = procmime_get_text_part(msginfo)) == NULL)
 268                         g_warning(_("Can't get text part\n"));
 269                 while (fgets(buf, sizeof(buf), fp) != NULL) {
 270                         INSERT(buf);
 271                 }
 272                 fclose(fp);
 273         }
 274         | SHOW_QUOTED_MESSAGE
 275         {
 276                 gchar buf[BUFFSIZE];
 277                 FILE * fp;
 278
 279                 if ((fp = procmime_get_text_part(msginfo)) == NULL)
 280                         g_warning(_("Can't get text part\n"));
 281                 while (fgets(buf, sizeof(buf), fp) != NULL) {
 282                         if (quote_str)
 283                                 INSERT(quote_str);
 284                         INSERT(buf);
 285                 }
 286                 fclose(fp);
 287         }
 288         | SHOW_MESSAGE_NO_SIGNATURE
 289         {
 290                 gchar buf[BUFFSIZE];
 291                 FILE * fp;
 292
 293                 if ((fp = procmime_get_text_part(msginfo)) == NULL)
 294                         g_warning(_("Can't get text part\n"));
 295                 while (fgets(buf, sizeof(buf), fp) != NULL) {
 296                         if (strncmp(buf, "-- ", 3) == 0)
 297                                 break;
 298                         INSERT(buf);
 299                 }
 300                 fclose(fp);
 301         }
 302         | SHOW_QUOTED_MESSAGE_NO_SIGNATURE
 303         {
 304                 gchar buf[BUFFSIZE];
 305                 FILE * fp;
 306
 307                 if ((fp = procmime_get_text_part(msginfo)) == NULL)
 308                         g_warning(_("Can't get text part\n"));
 309                 while (fgets(buf, sizeof(buf), fp) != NULL) {
 310                         if (strncmp(buf, "-- ", 3) == 0)
 311                                 break;
 312                         if (quote_str)
 313                                 INSERT(quote_str);
 314                         INSERT(buf);
 315                 }
 316                 fclose(fp);
 317         }
 318         | SHOW_BACKSLASH
 319         {
 320                 INSERT("\\");
 321         }
 322         | SHOW_TAB
 323         {
 324                 INSERT("\t");
 325         }
 326         | SHOW_EOL
 327         {
 328                 INSERT("\n");
 329         }
 330         | SHOW_QUESTION_MARK
 331         {
 332                 INSERT("?");
 333         }
 334         | SHOW_OPARENT
 335         {
 336                 INSERT("(");
 337         }
 338         | SHOW_CPARENT
 339         {
 340                 INSERT(")");
 341         };
 342
 343 query:
 344         QUERY_DATE
 345         {
 346                 add_visibility(msginfo->date != NULL);
 347         }
 348         OPARENT quote_fmt CPARENT
 349         {
 350                 remove_visibility();
 351         }
 352         | QUERY_FROM
 353         {
 354                 add_visibility(msginfo->from != NULL);
 355         }
 356         OPARENT quote_fmt CPARENT
 357         {
 358                 remove_visibility();
 359         }
 360         | QUERY_FULLNAME
 361         {
 362                 add_visibility(msginfo->fromname != NULL);
 363         }
 364         OPARENT quote_fmt CPARENT
 365         {
 366                 remove_visibility();
 367         }
 368         | QUERY_SUBJECT
 369         {
 370                 add_visibility(msginfo->subject != NULL);
 371         }
 372         OPARENT quote_fmt CPARENT
 373         {
 374                 remove_visibility();
 375         }
 376         | QUERY_TO
 377         {
 378                 add_visibility(msginfo->to != NULL);
 379         }
 380         OPARENT quote_fmt CPARENT
 381         {
 382                 remove_visibility();
 383         }
 384         | QUERY_NEWSGROUPS
 385         {
 386                 add_visibility(msginfo->newsgroups != NULL);
 387         }
 388         OPARENT quote_fmt CPARENT
 389         {
 390                 remove_visibility();
 391         }
 392         | QUERY_MESSAGEID
 393         {
 394                 add_visibility(msginfo->msgid != NULL);
 395         }
 396         OPARENT quote_fmt CPARENT
 397         {
 398                 remove_visibility();
 399         }
 400         | QUERY_CC
 401         {
 402                 add_visibility(msginfo->cc != NULL);
 403         }
 404         OPARENT quote_fmt CPARENT
 405         {
 406                 remove_visibility();
 407         }
 408         | QUERY_REFERENCES
 409         {
 410                 add_visibility(msginfo->references != NULL);
 411         }
 412         OPARENT quote_fmt CPARENT
 413         {
 414                 remove_visibility();
 415         };