src/quote_fmt_parse.y

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail Team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 %{
  21
  22 #include "defs.h"
  23
  24 #include <glib.h>
  25 #include <glib/gi18n.h>
  26
  27 #include <ctype.h>
  28
  29 #include "procmsg.h"
  30 #include "procmime.h"
  31 #include "utils.h"
  32 #include "codeconv.h"
  33 #include "procheader.h"
  34 #include "addr_compl.h"
  35 #include "gtk/inputdialog.h"
  36
  37 #include "quote_fmt.h"
  38 #include "quote_fmt_lex.h"
  39 #include "account.h"
  40
  41 /* decl */
  42 /*
  43 flex quote_fmt.l
  44 bison -p quote_fmt quote_fmt.y
  45 */
  46
  47 int yylex(void);
  48
  49 static MsgInfo *msginfo = NULL;
  50 static PrefsAccount *account = NULL;
  51 #ifdef USE_ENCHANT
  52 static gchar default_dictionary[BUFFSIZE];
  53 #endif
  54 static gboolean *visible = NULL;
  55 static gboolean dry_run = FALSE;
  56 static gint maxsize = 0;
  57 static gint stacksize = 0;
  58 static GHashTable *var_table = NULL;
  59 static GList *attachments = NULL;
  60
  61 typedef struct st_buffer
  62 {
  63         gchar *buffer;
  64         gint bufsize;
  65         gint bufmax;
  66 } st_buffer;
  67
  68 static struct st_buffer main_expr = { NULL, 0, 0 };
  69 static struct st_buffer sub_expr = { NULL, 0, 0 };
  70 static struct st_buffer* current = NULL;
  71
  72 static const gchar *quote_str = NULL;
  73 static const gchar *body = NULL;
  74 static gint error = 0;
  75
  76 static gint cursor_pos = -1;
  77
  78 extern int quote_fmt_firsttime;
  79 extern int line;
  80 extern int escaped_string;
  81
  82 static void add_visibility(gboolean val)
  83 {
  84         stacksize++;
  85         if (maxsize < stacksize) {
  86                 maxsize += 128;
  87                 visible = g_realloc(visible, maxsize * sizeof(gboolean));
  88                 if (visible == NULL)
  89                         maxsize = 0;
  90         }
  91         if (visible != NULL)
  92                 visible[stacksize - 1] = val;
  93 }
  94
  95 static void remove_visibility(void)
  96 {
  97         stacksize--;
  98         if (stacksize < 0) {
  99                 g_warning("Error: visibility stack underflow");
 100                 stacksize = 0;
 101         }
 102 }
 103
 104 static void add_buffer(const gchar *s)
 105 {
 106         gint len;
 107
 108         if (s == NULL)
 109                 return;
 110
 111         len = strlen(s);
 112         if (current->bufsize + len + 1 > current->bufmax) {
 113                 if (current->bufmax == 0)
 114                         current->bufmax = 128;
 115                 while (current->bufsize + len + 1 > current->bufmax)
 116                         current->bufmax *= 2;
 117                 current->buffer = g_realloc(current->buffer, current->bufmax);
 118         }
 119         strcpy(current->buffer + current->bufsize, s);
 120         current->bufsize += len;
 121 }
 122
 123 static void clear_buffer(void)
 124 {
 125         if (current->buffer)
 126                 *current->buffer = '\0';
 127         else
 128                 /* force to an empty string, as buffer should not be left unallocated */
 129                 add_buffer("");
 130         current->bufsize = 0;
 131 }
 132
 133 gchar *quote_fmt_get_buffer(void)
 134 {
 135         if (current != &main_expr)
 136                 g_warning("Error: parser still in sub-expr mode");
 137
 138         if (error != 0)
 139                 return NULL;
 140         else
 141                 return current->buffer;
 142 }
 143
 144 GList *quote_fmt_get_attachments_list(void)
 145 {
 146         return attachments;
 147 }
 148
 149 gint quote_fmt_get_line(void)
 150 {
 151         return line;
 152 }
 153
 154 gint quote_fmt_get_cursor_pos(void)
 155 {
 156         return cursor_pos;
 157 }
 158
 159 #define INSERT(buf) \
 160         if (stacksize != 0 && visible[stacksize - 1])\
 161                 add_buffer(buf); \
 162
 163 #define INSERT_CHARACTER(chr) \
 164         if (stacksize != 0 && visible[stacksize - 1]) { \
 165                 gchar tmp[2]; \
 166                 tmp[0] = (chr); \
 167                 tmp[1] = '\0'; \
 168                 add_buffer(tmp); \
 169         }
 170
 171 void quote_fmt_reset_vartable(void)
 172 {
 173         if (var_table) {
 174                 g_hash_table_destroy(var_table);
 175                 var_table = NULL;
 176         }
 177         if (attachments) {
 178                 GList *cur = attachments;
 179                 while (cur) {
 180                         g_free(cur->data);
 181                         cur = g_list_next(cur);
 182                 }
 183                 g_list_free(attachments);
 184                 attachments = NULL;
 185         }
 186 }
 187
 188 #ifdef USE_ENCHANT
 189 void quote_fmt_init(MsgInfo *info, const gchar *my_quote_str,
 190                     const gchar *my_body, gboolean my_dry_run,
 191                         PrefsAccount *compose_account,
 192                         gboolean string_is_escaped,
 193                         GtkAspell *compose_gtkaspell)
 194 #else
 195 void quote_fmt_init(MsgInfo *info, const gchar *my_quote_str,
 196                     const gchar *my_body, gboolean my_dry_run,
 197                         PrefsAccount *compose_account,
 198                         gboolean string_is_escaped)
 199 #endif
 200 {
 201         quote_str = my_quote_str;
 202         body = my_body;
 203         msginfo = info;
 204         account = compose_account;
 205 #ifdef USE_ENCHANT
 206         gchar *dict = gtkaspell_get_default_dictionary(compose_gtkaspell);
 207         if (dict)
 208                 strncpy2(default_dictionary, dict, sizeof(default_dictionary));
 209         else
 210                 *default_dictionary = '\0';
 211 #endif
 212         dry_run = my_dry_run;
 213         stacksize = 0;
 214         add_visibility(TRUE);
 215         main_expr.bufmax = 0;
 216         sub_expr.bufmax = 0;
 217         current = &main_expr;
 218         clear_buffer();
 219         error = 0;
 220         line = 1;
 221         escaped_string = string_is_escaped;
 222
 223         if (!var_table)
 224                 var_table = g_hash_table_new_full(g_str_hash, g_str_equal,
 225                                 g_free, g_free);
 226
 227         /*
 228          * force LEX initialization
 229          */
 230         quote_fmt_firsttime = 1;
 231         cursor_pos = -1;
 232 }
 233
 234 void quote_fmterror(char *str)
 235 {
 236         g_warning("Error: %s at line %d", str, line);
 237         error = 1;
 238 }
 239
 240 int quote_fmtwrap(void)
 241 {
 242         return 1;
 243 }
 244
 245 static int isseparator(int ch)
 246 {
 247         return g_ascii_isspace(ch) || ch == '.' || ch == '-';
 248 }
 249
 250 /*
 251  * Search for glibc extended strftime timezone specs within haystack.
 252  * If not found NULL is returned and the integer pointed by tzspeclen is
 253  * not changed.
 254  * If found a pointer to the start of the specification within haystack
 255  * is returned and the integer pointed by tzspeclen is set to the lenght
 256  * of specification.
 257  */
 258 static const char* strtzspec(const char *haystack, int *tzspeclen)
 259 {
 260         const char *p = NULL;
 261         const char *q = NULL;
 262         const char *r = NULL;
 263
 264         p = strstr(haystack, "%");
 265         while (p != NULL) {
 266                 q = p + 1;
 267                 if (!*q) return NULL;
 268                 r = strchr("_-0^#", *q); /* skip flags */
 269                 if (r != NULL) {
 270                         ++q;
 271                         if (!*q) return NULL;
 272                 }
 273                 while (*q >= '0' && *q <= '9') ++q; /* skip width */
 274                 if (!*q) return NULL;
 275                 if (*q == 'z' || *q == 'Z') { /* numeric or name */
 276                         *tzspeclen = 1 + (q - p);
 277                         return p;
 278                 }
 279                 p = strstr(q, "%");
 280         }
 281         return NULL;
 282 }
 283
 284 static void quote_fmt_show_date(const MsgInfo *msginfo, const gchar *format)
 285 {
 286         char  result[100];
 287         char *rptr;
 288         char  zone[6];
 289         struct tm lt;
 290         const char *fptr;
 291         const char *zptr;
 292
 293         if (!msginfo->date)
 294                 return;
 295
 296         /*
 297          * ALF - GNU C's strftime() has a nice format specifier
 298          * for time zone offset (%z). Non-standard however, so
 299          * emulate it.
 300          */
 301
 302 #define RLEFT (sizeof result) - (rptr - result)
 303
 304         zone[0] = 0;
 305
 306         if (procheader_date_parse_to_tm(msginfo->date, &lt, zone)) {
 307                 /*
 308                  * break up format string in tiny bits delimited by valid %z's and
 309                  * feed it to strftime(). don't forget that '%%z' mean literal '%z'.
 310                  */
 311                 for (rptr = result, fptr = format; fptr && *fptr && rptr < &result[sizeof result - 1];) {
 312                         int         perc, zlen;
 313                         const char *p;
 314                         char       *tmp;
 315
 316                         if (NULL != (zptr = strtzspec(fptr, &zlen))) {
 317                                 /*
 318                                  * count nr. of prepended percent chars
 319                                  */
 320                                 for (perc = 0, p = zptr; p && p >= format && *p == '%'; p--, perc++)
 321                                         ;
 322                                 /*
 323                                  * feed to strftime()
 324                                  */
 325                                 tmp = g_strndup(fptr, zptr - fptr + (perc % 2 ? 0 : zlen));
 326                                 if (tmp) {
 327                                         rptr += strftime(rptr, RLEFT, tmp, &lt);
 328                                         g_free(tmp);
 329                                 }
 330                                 /*
 331                                  * append time zone offset
 332                                  */
 333                                 if (zone[0] && perc % 2)
 334                                         rptr += g_snprintf(rptr, RLEFT, "%s", zone);
 335                                 fptr = zptr + zlen;
 336                         } else {
 337                                 rptr += strftime(rptr, RLEFT, fptr, &lt);
 338                                 fptr  = NULL;
 339                         }
 340                 }
 341
 342                 if (g_utf8_validate(result, -1, NULL)) {
 343                         INSERT(result);
 344                 } else {
 345                         gchar *utf = conv_codeset_strdup(result,
 346                                 conv_get_locale_charset_str_no_utf8(),
 347                                 CS_INTERNAL);
 348                         if (utf == NULL ||
 349                             !g_utf8_validate(utf, -1, NULL)) {
 350                                 g_free(utf);
 351                                 utf = g_malloc(strlen(result)*2+1);
 352                                 conv_localetodisp(utf,
 353                                         strlen(result)*2+1, result);
 354                         }
 355                         if (g_utf8_validate(utf, -1, NULL)) {
 356                                 INSERT(utf);
 357                         }
 358                         g_free(utf);
 359                 }
 360         }
 361 #undef RLEFT
 362 }
 363
 364 static void quote_fmt_show_first_name(const MsgInfo *msginfo)
 365 {
 366         guchar *p;
 367         gchar *str;
 368
 369         if (!msginfo->fromname)
 370                 return;
 371
 372         p = (guchar*)strchr(msginfo->fromname, ',');
 373         if (p != NULL) {
 374                 /* fromname is like "Duck, Donald" */
 375                 p++;
 376                 while (*p && isspace(*p)) p++;
 377                 str = alloca(strlen((char *)p) + 1);
 378                 if (str != NULL) {
 379                         strcpy(str, (char *)p);
 380                         INSERT(str);
 381                 }
 382         } else {
 383                 /* fromname is like "Donald Duck" */
 384                 str = alloca(strlen(msginfo->fromname) + 1);
 385                 if (str != NULL) {
 386                         strcpy(str, msginfo->fromname);
 387                         p = (guchar *)str;
 388                         while (*p && !isspace(*p)) p++;
 389                         *p = '\0';
 390                         INSERT(str);
 391                 }
 392         }
 393 }
 394
 395 static void quote_fmt_show_last_name(const MsgInfo *msginfo)
 396 {
 397         gchar *p;
 398         gchar *str;
 399
 400         /* This probably won't work together very well with Middle
 401            names and the like - thth */
 402         if (!msginfo->fromname)
 403                 return;
 404
 405         str = alloca(strlen(msginfo->fromname) + 1);
 406         if (str != NULL) {
 407                 strcpy(str, msginfo->fromname);
 408                 p = strchr(str, ',');
 409                 if (p != NULL) {
 410                         /* fromname is like "Duck, Donald" */
 411                         *p = '\0';
 412                         INSERT(str);
 413                 } else {
 414                         /* fromname is like "Donald Duck" */
 415                         p = str;
 416                         while (*p && !isspace(*p)) p++;
 417                         if (*p) {
 418                             /* We found a space. Get first
 419                              none-space char and insert
 420                              rest of string from there. */
 421                             while (*p && isspace(*p)) p++;
 422                             if (*p) {
 423                                 INSERT(p);
 424                             } else {
 425                                 /* If there is no none-space
 426                                  char, just insert whole
 427                                  fromname. */
 428                                 INSERT(str);
 429                             }
 430                         } else {
 431                             /* If there is no space, just
 432                              insert whole fromname. */
 433                             INSERT(str);
 434                         }
 435                 }
 436         }
 437 }
 438
 439 static void quote_fmt_show_sender_initial(const MsgInfo *msginfo)
 440 {
 441 #define MAX_SENDER_INITIAL 20
 442         gchar tmp[MAX_SENDER_INITIAL];
 443         guchar *p;
 444         gchar *cur;
 445         gint len = 0;
 446
 447         if (!msginfo->fromname)
 448                 return;
 449
 450         p = (guchar *)msginfo->fromname;
 451         cur = tmp;
 452         while (*p) {
 453                 if (*p && g_utf8_validate((gchar *)p, 1, NULL)) {
 454                         *cur = toupper(*p);
 455                                 cur++;
 456                         len++;
 457                         if (len >= MAX_SENDER_INITIAL - 1)
 458                                 break;
 459                 } else
 460                         break;
 461                 while (*p && !isseparator(*p)) p++;
 462                 while (*p && isseparator(*p)) p++;
 463         }
 464         *cur = '\0';
 465         INSERT(tmp);
 466 }
 467
 468 static void quote_fmt_show_msg(MsgInfo *msginfo, const gchar *body,
 469                                gboolean quoted, gboolean signature,
 470                                const gchar *quote_str)
 471 {
 472         gchar buf[BUFFSIZE];
 473         FILE *fp;
 474
 475         if (!(msginfo->folder || body))
 476                 return;
 477
 478         if (body)
 479                 fp = str_open_as_stream(body);
 480         else {
 481                 if (MSG_IS_ENCRYPTED(msginfo->flags))
 482                         fp = procmime_get_first_encrypted_text_content(msginfo);
 483                 else
 484                         fp = procmime_get_first_text_content(msginfo);
 485         }
 486
 487         if (fp == NULL)
 488                 g_warning("Can't get text part");
 489         else {
 490                 while (fgets(buf, sizeof(buf), fp) != NULL) {
 491                         strcrchomp(buf);
 492
 493                         if (!signature && strncmp(buf, "-- \n", 4) == 0)
 494                                 break;
 495
 496                         if (quoted && quote_str)
 497                                 INSERT(quote_str);
 498
 499                         INSERT(buf);
 500                 }
 501                 fclose(fp);
 502         }
 503 }
 504
 505 static void quote_fmt_insert_file(const gchar *filename)
 506 {
 507         FILE *file;
 508         char buffer[256];
 509
 510         if ((file = g_fopen(filename, "rb")) != NULL) {
 511                 while (fgets(buffer, sizeof(buffer), file)) {
 512                         INSERT(buffer);
 513                 }
 514                 fclose(file);
 515         }
 516
 517 }
 518
 519 static void quote_fmt_insert_program_output(const gchar *progname)
 520 {
 521         FILE *file;
 522         char buffer[256];
 523
 524         if ((file = popen(progname, "r")) != NULL) {
 525                 while (fgets(buffer, sizeof(buffer), file)) {
 526                         INSERT(buffer);
 527                 }
 528                 pclose(file);
 529         }
 530 }
 531
 532 static void quote_fmt_insert_user_input(const gchar *varname)
 533 {
 534         gchar *buf = NULL;
 535         gchar *text = NULL;
 536
 537         if (dry_run)
 538                 return;
 539
 540         if ((text = g_hash_table_lookup(var_table, varname)) == NULL) {
 541                 buf = g_strdup_printf(_("Enter text to replace '%s'"), varname);
 542                 text = input_dialog(_("Enter variable"), buf, "");
 543                 g_free(buf);
 544                 if (!text)
 545                         return;
 546                 g_hash_table_insert(var_table, g_strdup(varname), g_strdup(text));
 547         } else {
 548                 /* don't free the one in hashtable at the end */
 549                 text = g_strdup(text);
 550         }
 551
 552         if (!text)
 553                 return;
 554         INSERT(text);
 555         g_free(text);
 556 }
 557
 558 static void quote_fmt_attach_file(const gchar *filename)
 559 {
 560         attachments = g_list_append(attachments, g_strdup(filename));
 561 }
 562
 563 static void quote_fmt_attach_file_program_output(const gchar *progname)
 564 {
 565         FILE *file;
 566         char buffer[PATH_MAX];
 567
 568         if ((file = popen(progname, "r")) != NULL) {
 569                 /* get first line only */
 570                 if (fgets(buffer, sizeof(buffer), file)) {
 571                         /* trim trailing CR/LF */
 572                         strretchomp(buffer);
 573                         attachments = g_list_append(attachments, g_strdup(buffer));
 574                 }
 575                 pclose(file);
 576         }
 577 }
 578
 579 static gchar *quote_fmt_complete_address(const gchar *addr)
 580 {
 581         gint count;
 582         gchar *res, *tmp, *email_addr;
 583         gchar **split;
 584
 585         debug_print("quote_fmt_complete_address: %s\n", addr);
 586         if (addr == NULL)
 587                 return NULL;
 588
 589         /* if addr is a list of message, try the 1st element only */
 590         split = g_strsplit(addr, ",", -1);
 591         if (!split || !split[0] || *split[0] == '\0') {
 592                 g_strfreev(split);
 593                 return NULL;
 594         }
 595
 596         Xstrdup_a(email_addr, split[0], return NULL);
 597         extract_address(email_addr);
 598         if (!*email_addr) {
 599                 g_strfreev(split);
 600                 return NULL;
 601         }
 602
 603         res = NULL;
 604         start_address_completion(NULL);
 605         if (1 < (count = complete_address(email_addr))) {
 606                 tmp = get_complete_address(1);
 607                 res = procheader_get_fromname(tmp);
 608                 g_free(tmp);
 609         }
 610         end_address_completion();
 611         g_strfreev(split);
 612
 613         debug_print("quote_fmt_complete_address: matched %s\n", res);
 614         return res;
 615 }
 616
 617 %}
 618
 619 %union {
 620         char chr;
 621         char str[256];
 622 }
 623
 624 /* tokens SHOW */
 625 %token SHOW_NEWSGROUPS
 626 %token SHOW_DATE SHOW_FROM SHOW_FULLNAME SHOW_FIRST_NAME SHOW_LAST_NAME
 627 %token SHOW_SENDER_INITIAL SHOW_SUBJECT SHOW_TO SHOW_MESSAGEID
 628 %token SHOW_PERCENT SHOW_CC SHOW_REFERENCES SHOW_MESSAGE
 629 %token SHOW_QUOTED_MESSAGE SHOW_BACKSLASH SHOW_TAB SHOW_MAIL_ADDRESS
 630 %token SHOW_QUOTED_MESSAGE_NO_SIGNATURE SHOW_MESSAGE_NO_SIGNATURE
 631 %token SHOW_EOL SHOW_QUESTION_MARK SHOW_EXCLAMATION_MARK SHOW_PIPE SHOW_OPARENT SHOW_CPARENT
 632 %token SHOW_ACCOUNT_FULL_NAME SHOW_ACCOUNT_MAIL_ADDRESS SHOW_ACCOUNT_NAME SHOW_ACCOUNT_ORGANIZATION
 633 %token SHOW_ACCOUNT_DICT SHOW_ACCOUNT_SIG SHOW_ACCOUNT_SIGPATH
 634 %token SHOW_DICT SHOW_TAGS
 635 %token SHOW_ADDRESSBOOK_COMPLETION_FOR_CC
 636 %token SHOW_ADDRESSBOOK_COMPLETION_FOR_FROM
 637 %token SHOW_ADDRESSBOOK_COMPLETION_FOR_TO
 638 /* tokens QUERY */
 639 %token QUERY_DATE QUERY_FROM
 640 %token QUERY_FULLNAME QUERY_SUBJECT QUERY_TO QUERY_NEWSGROUPS
 641 %token QUERY_MESSAGEID QUERY_CC QUERY_REFERENCES
 642 %token QUERY_ACCOUNT_FULL_NAME QUERY_ACCOUNT_ORGANIZATION QUERY_ACCOUNT_DICT
 643 %token QUERY_ACCOUNT_SIG QUERY_ACCOUNT_SIGPATH
 644 %token QUERY_DICT
 645 %token QUERY_CC_FOUND_IN_ADDRESSBOOK
 646 %token QUERY_FROM_FOUND_IN_ADDRESSBOOK
 647 %token QUERY_TO_FOUND_IN_ADDRESSBOOK
 648 /* tokens QUERY_NOT */
 649 %token QUERY_NOT_DATE QUERY_NOT_FROM
 650 %token QUERY_NOT_FULLNAME QUERY_NOT_SUBJECT QUERY_NOT_TO QUERY_NOT_NEWSGROUPS
 651 %token QUERY_NOT_MESSAGEID QUERY_NOT_CC QUERY_NOT_REFERENCES
 652 %token QUERY_NOT_ACCOUNT_FULL_NAME QUERY_NOT_ACCOUNT_ORGANIZATION QUERY_NOT_ACCOUNT_DICT
 653 %token QUERY_NOT_ACCOUNT_SIG QUERY_NOT_ACCOUNT_SIGPATH
 654 %token QUERY_NOT_DICT
 655 %token QUERY_NOT_CC_FOUND_IN_ADDRESSBOOK
 656 %token QUERY_NOT_FROM_FOUND_IN_ADDRESSBOOK
 657 %token QUERY_NOT_TO_FOUND_IN_ADDRESSBOOK
 658 /* other tokens */
 659 %token INSERT_FILE INSERT_PROGRAMOUTPUT INSERT_USERINPUT
 660 %token ATTACH_FILE ATTACH_PROGRAMOUTPUT
 661 %token OPARENT CPARENT
 662 %token CHARACTER
 663 %token SHOW_DATE_EXPR
 664 %token SET_CURSOR_POS
 665
 666 %start quote_fmt
 667
 668 %type <chr> CHARACTER
 669 %type <chr> character
 670 %type <str> string
 671
 672 %%
 673
 674 quote_fmt:
 675         character_or_special_or_insert_or_query_list ;
 676
 677 sub_expr:
 678         character_or_special_list ;
 679
 680 character_or_special_or_insert_or_query_list:
 681         character_or_special_or_insert_or_query character_or_special_or_insert_or_query_list
 682         | character_or_special_or_insert_or_query ;
 683
 684 character_or_special_list:
 685         character_or_special character_or_special_list
 686         | character_or_special ;
 687
 688 character_or_special_or_insert_or_query:
 689         character_or_special
 690         | query
 691         | query_not
 692         | insert
 693         | attach ;
 694
 695 character_or_special:
 696         special
 697         | character
 698         {
 699                 INSERT_CHARACTER($1);
 700         };
 701
 702 character:
 703         CHARACTER
 704         ;
 705
 706 string:
 707         CHARACTER
 708         {
 709                 $$[0] = $1;
 710                 $$[1] = '\0';
 711         }
 712         | string CHARACTER
 713         {
 714                 size_t len;
 715
 716                 strncpy($$, $1, sizeof($$));
 717                 $$[sizeof($$) - 1] = '\0';
 718                 len = strlen($$);
 719                 if (len + 1 < sizeof($$)) {
 720                         $$[len + 1] = '\0';
 721                         $$[len] = $2;
 722                 }
 723         };
 724
 725 special:
 726         SHOW_NEWSGROUPS
 727         {
 728                 if (msginfo->newsgroups)
 729                         INSERT(msginfo->newsgroups);
 730         }
 731         | SHOW_DATE_EXPR OPARENT string CPARENT
 732         {
 733                 quote_fmt_show_date(msginfo, $3);
 734         }
 735         | SHOW_DATE
 736         {
 737                 if (msginfo->date)
 738                         INSERT(msginfo->date);
 739         }
 740         | SHOW_FROM
 741         {
 742                 if (msginfo->from)
 743                         INSERT(msginfo->from);
 744         }
 745         | SHOW_MAIL_ADDRESS
 746         {
 747                 if (msginfo->from) {
 748                         gchar *stripped_address = g_strdup(msginfo->from);
 749                         extract_address(stripped_address);
 750                         INSERT(stripped_address);
 751                         g_free(stripped_address);
 752                 }
 753         }
 754         | SHOW_FULLNAME
 755         {
 756                 if (msginfo->fromname)
 757                         INSERT(msginfo->fromname);
 758         }
 759         | SHOW_FIRST_NAME
 760         {
 761                 quote_fmt_show_first_name(msginfo);
 762         }
 763         | SHOW_LAST_NAME
 764     {
 765                 quote_fmt_show_last_name(msginfo);
 766         }
 767         | SHOW_SENDER_INITIAL
 768         {
 769                 quote_fmt_show_sender_initial(msginfo);
 770         }
 771         | SHOW_SUBJECT
 772         {
 773                 if (msginfo->subject)
 774                         INSERT(msginfo->subject);
 775         }
 776         | SHOW_TO
 777         {
 778                 if (msginfo->to)
 779                         INSERT(msginfo->to);
 780         }
 781         | SHOW_MESSAGEID
 782         {
 783                 if (msginfo->msgid)
 784                         INSERT(msginfo->msgid);
 785         }
 786         | SHOW_PERCENT
 787         {
 788                 INSERT("%");
 789         }
 790         | SHOW_CC
 791         {
 792                 if (msginfo->cc)
 793                         INSERT(msginfo->cc);
 794         }
 795         | SHOW_REFERENCES
 796         {
 797                 GSList *item;
 798
 799                 INSERT(msginfo->inreplyto);
 800                 for (item = msginfo->references; item != NULL; item = g_slist_next(item))
 801                         if (item->data)
 802                                 INSERT(item->data);
 803         }
 804         | SHOW_MESSAGE
 805         {
 806                 quote_fmt_show_msg(msginfo, body, FALSE, TRUE, quote_str);
 807         }
 808         | SHOW_QUOTED_MESSAGE
 809         {
 810                 quote_fmt_show_msg(msginfo, body, TRUE, TRUE, quote_str);
 811         }
 812         | SHOW_MESSAGE_NO_SIGNATURE
 813         {
 814                 quote_fmt_show_msg(msginfo, body, FALSE, FALSE, quote_str);
 815         }
 816         | SHOW_QUOTED_MESSAGE_NO_SIGNATURE
 817         {
 818                 quote_fmt_show_msg(msginfo, body, TRUE, FALSE, quote_str);
 819         }
 820         | SHOW_ACCOUNT_FULL_NAME
 821         {
 822                 if (account && account->name)
 823                         INSERT(account->name);
 824         }
 825         | SHOW_ACCOUNT_MAIL_ADDRESS
 826         {
 827                 if (account && account->address)
 828                         INSERT(account->address);
 829         }
 830         | SHOW_ACCOUNT_NAME
 831         {
 832                 if (account && account->account_name)
 833                         INSERT(account->account_name);
 834         }
 835         | SHOW_ACCOUNT_ORGANIZATION
 836         {
 837                 if (account && account->organization)
 838                         INSERT(account->organization);
 839         }
 840         | SHOW_ACCOUNT_SIG
 841         {
 842                 gchar *str = account_get_signature_str(account);
 843                 INSERT(str);
 844                 g_free(str);
 845         }
 846         | SHOW_ACCOUNT_SIGPATH
 847         {
 848                 if (account && account->sig_path)
 849                         INSERT(account->sig_path);
 850         }
 851         | SHOW_ACCOUNT_DICT
 852         {
 853 #ifdef USE_ENCHANT
 854                 if (account && account->enable_default_dictionary) {
 855                         gchar *dictname = g_path_get_basename(account->default_dictionary);
 856                         INSERT(dictname);
 857                         g_free(dictname);
 858                 }
 859 #endif
 860         }
 861         | SHOW_DICT
 862         {
 863 #ifdef USE_ENCHANT
 864                 INSERT(default_dictionary);
 865 #endif
 866         }
 867         | SHOW_TAGS
 868         {
 869                 gchar *tags = procmsg_msginfo_get_tags_str(msginfo);
 870                 if (tags) {
 871                         INSERT(tags);
 872                 }
 873                 g_free(tags);
 874         }
 875         | SHOW_BACKSLASH
 876         {
 877                 INSERT("\\");
 878         }
 879         | SHOW_TAB
 880         {
 881                 INSERT("\t");
 882         }
 883         | SHOW_EOL
 884         {
 885                 INSERT("\n");
 886         }
 887         | SHOW_QUESTION_MARK
 888         {
 889                 INSERT("?");
 890         }
 891         | SHOW_EXCLAMATION_MARK
 892         {
 893                 INSERT("!");
 894         }
 895         | SHOW_PIPE
 896         {
 897                 INSERT("|");
 898         }
 899         | SHOW_OPARENT
 900         {
 901                 INSERT("{");
 902         }
 903         | SHOW_CPARENT
 904         {
 905                 INSERT("}");
 906         }
 907         | SET_CURSOR_POS
 908         {
 909                 if (current->buffer)
 910                         cursor_pos = g_utf8_strlen(current->buffer, -1);
 911                 else
 912                         cursor_pos = 0;
 913         }
 914         | SHOW_ADDRESSBOOK_COMPLETION_FOR_CC
 915         {
 916                 gchar *tmp = quote_fmt_complete_address(msginfo->cc);
 917                 if (tmp) {
 918                         INSERT(tmp);
 919                         g_free(tmp);
 920                 }
 921         }
 922         | SHOW_ADDRESSBOOK_COMPLETION_FOR_FROM
 923         {
 924                 gchar *tmp = quote_fmt_complete_address(msginfo->from);
 925                 if (tmp) {
 926                         INSERT(tmp);
 927                         g_free(tmp);
 928                 }
 929         }
 930         | SHOW_ADDRESSBOOK_COMPLETION_FOR_TO
 931         {
 932                 gchar *tmp = quote_fmt_complete_address(msginfo->to);
 933                 if (tmp) {
 934                         INSERT(tmp);
 935                         g_free(tmp);
 936                 }
 937         };
 938
 939 query:
 940         QUERY_DATE
 941         {
 942                 add_visibility(msginfo->date != NULL);
 943         }
 944         OPARENT quote_fmt CPARENT
 945         {
 946                 remove_visibility();
 947         }
 948         | QUERY_FROM
 949         {
 950                 add_visibility(msginfo->from != NULL);
 951         }
 952         OPARENT quote_fmt CPARENT
 953         {
 954                 remove_visibility();
 955         }
 956         | QUERY_FULLNAME
 957         {
 958                 add_visibility(msginfo->fromname != NULL);
 959         }
 960         OPARENT quote_fmt CPARENT
 961         {
 962                 remove_visibility();
 963         }
 964         | QUERY_SUBJECT
 965         {
 966                 add_visibility(msginfo->subject != NULL);
 967         }
 968         OPARENT quote_fmt CPARENT
 969         {
 970                 remove_visibility();
 971         }
 972         | QUERY_TO
 973         {
 974                 add_visibility(msginfo->to != NULL);
 975         }
 976         OPARENT quote_fmt CPARENT
 977         {
 978                 remove_visibility();
 979         }
 980         | QUERY_NEWSGROUPS
 981         {
 982                 add_visibility(msginfo->newsgroups != NULL);
 983         }
 984         OPARENT quote_fmt CPARENT
 985         {
 986                 remove_visibility();
 987         }
 988         | QUERY_MESSAGEID
 989         {
 990                 add_visibility(msginfo->msgid != NULL);
 991         }
 992         OPARENT quote_fmt CPARENT
 993         {
 994                 remove_visibility();
 995         }
 996         | QUERY_CC
 997         {
 998                 add_visibility(msginfo->cc != NULL);
 999         }
1000         OPARENT quote_fmt CPARENT
1001         {
1002                 remove_visibility();
1003         }
1004         | QUERY_REFERENCES
1005         {
1006                 gboolean found;
1007                 GSList *item;
1008
1009                 found = (msginfo->inreplyto != NULL);
1010                 for (item = msginfo->references; found == FALSE && item != NULL; item = g_slist_next(item))
1011                         if (item->data)
1012                                 found = TRUE;
1013                 add_visibility(found == TRUE);
1014         }
1015         OPARENT quote_fmt CPARENT
1016         {
1017                 remove_visibility();
1018         }
1019         | QUERY_ACCOUNT_FULL_NAME
1020         {
1021                 add_visibility(account != NULL && account->name != NULL);
1022         }
1023         OPARENT quote_fmt CPARENT
1024         {
1025                 remove_visibility();
1026         }
1027         | QUERY_ACCOUNT_ORGANIZATION
1028         {
1029                 add_visibility(account != NULL && account->organization != NULL);
1030         }
1031         OPARENT quote_fmt CPARENT
1032         {
1033                 remove_visibility();
1034         }
1035         | QUERY_ACCOUNT_SIG
1036         {
1037                 gchar *str = account_get_signature_str(account);
1038                 add_visibility(str != NULL && * str != '\0');
1039                 g_free(str);
1040         }
1041         OPARENT quote_fmt CPARENT
1042         {
1043                 remove_visibility();
1044         }
1045         | QUERY_ACCOUNT_SIGPATH
1046         {
1047                 add_visibility(account != NULL && account->sig_path != NULL
1048                                 && *account->sig_path != '\0');
1049         }
1050         OPARENT quote_fmt CPARENT
1051         {
1052                 remove_visibility();
1053         }
1054         | QUERY_ACCOUNT_DICT
1055         {
1056 #ifdef USE_ENCHANT
1057                 add_visibility(account != NULL && account->enable_default_dictionary == TRUE &&
1058                                 account->default_dictionary != NULL && *account->default_dictionary != '\0');
1059 #else
1060                 add_visibility(FALSE);
1061 #endif
1062         }
1063         OPARENT quote_fmt CPARENT
1064         {
1065                 remove_visibility();
1066         }
1067         | QUERY_DICT
1068         {
1069 #ifdef USE_ENCHANT
1070                 add_visibility(*default_dictionary != '\0');
1071 #else
1072                 add_visibility(FALSE);
1073 #endif
1074         }
1075         OPARENT quote_fmt CPARENT
1076         {
1077                 remove_visibility();
1078         }
1079         | QUERY_CC_FOUND_IN_ADDRESSBOOK
1080         {
1081                 gchar *tmp = quote_fmt_complete_address(msginfo->cc);
1082                 add_visibility(tmp != NULL && *tmp != '\0');
1083                 g_free(tmp);
1084         }
1085         OPARENT quote_fmt CPARENT
1086         {
1087                 remove_visibility();
1088         }
1089         | QUERY_FROM_FOUND_IN_ADDRESSBOOK
1090         {
1091                 gchar *tmp = quote_fmt_complete_address(msginfo->from);
1092                 add_visibility(tmp != NULL && *tmp != '\0');
1093                 g_free(tmp);
1094         }
1095         OPARENT quote_fmt CPARENT
1096         {
1097                 remove_visibility();
1098         }
1099         | QUERY_TO_FOUND_IN_ADDRESSBOOK
1100         {
1101                 gchar *tmp = quote_fmt_complete_address(msginfo->to);
1102                 add_visibility(tmp != NULL && *tmp != '\0');
1103                 g_free(tmp);
1104         }
1105         OPARENT quote_fmt CPARENT
1106         {
1107                 remove_visibility();
1108         };
1109
1110 query_not:
1111         QUERY_NOT_DATE
1112         {
1113                 add_visibility(msginfo->date == NULL);
1114         }
1115         OPARENT quote_fmt CPARENT
1116         {
1117                 remove_visibility();
1118         }
1119         | QUERY_NOT_FROM
1120         {
1121                 add_visibility(msginfo->from == NULL);
1122         }
1123         OPARENT quote_fmt CPARENT
1124         {
1125                 remove_visibility();
1126         }
1127         | QUERY_NOT_FULLNAME
1128         {
1129                 add_visibility(msginfo->fromname == NULL);
1130         }
1131         OPARENT quote_fmt CPARENT
1132         {
1133                 remove_visibility();
1134         }
1135         | QUERY_NOT_SUBJECT
1136         {
1137                 add_visibility(msginfo->subject == NULL);
1138         }
1139         OPARENT quote_fmt CPARENT
1140         {
1141                 remove_visibility();
1142         }
1143         | QUERY_NOT_TO
1144         {
1145                 add_visibility(msginfo->to == NULL);
1146         }
1147         OPARENT quote_fmt CPARENT
1148         {
1149                 remove_visibility();
1150         }
1151         | QUERY_NOT_NEWSGROUPS
1152         {
1153                 add_visibility(msginfo->newsgroups == NULL);
1154         }
1155         OPARENT quote_fmt CPARENT
1156         {
1157                 remove_visibility();
1158         }
1159         | QUERY_NOT_MESSAGEID
1160         {
1161                 add_visibility(msginfo->msgid == NULL);
1162         }
1163         OPARENT quote_fmt CPARENT
1164         {
1165                 remove_visibility();
1166         }
1167         | QUERY_NOT_CC
1168         {
1169                 add_visibility(msginfo->cc == NULL);
1170         }
1171         OPARENT quote_fmt CPARENT
1172         {
1173                 remove_visibility();
1174         }
1175         | QUERY_NOT_REFERENCES
1176         {
1177                 gboolean found;
1178                 GSList *item;
1179
1180                 found = (msginfo->inreplyto != NULL);
1181                 for (item = msginfo->references; found == FALSE && item != NULL; item = g_slist_next(item))
1182                         if (item->data)
1183                                 found = TRUE;
1184                 add_visibility(found == FALSE);
1185         }
1186         OPARENT quote_fmt CPARENT
1187         {
1188                 remove_visibility();
1189         }
1190         | QUERY_NOT_ACCOUNT_FULL_NAME
1191         {
1192                 add_visibility(account == NULL || account->name == NULL);
1193         }
1194         OPARENT quote_fmt CPARENT
1195         {
1196                 remove_visibility();
1197         }
1198         | QUERY_NOT_ACCOUNT_ORGANIZATION
1199         {
1200                 add_visibility(account == NULL || account->organization == NULL);
1201         }
1202         OPARENT quote_fmt CPARENT
1203         {
1204                 remove_visibility();
1205         }
1206         | QUERY_NOT_ACCOUNT_SIG
1207         {
1208                 gchar *str = account_get_signature_str(account);
1209                 add_visibility(str == NULL || *str == '\0');
1210                 g_free(str);
1211         }
1212         OPARENT quote_fmt CPARENT
1213         {
1214                 remove_visibility();
1215         }
1216         | QUERY_NOT_ACCOUNT_SIGPATH
1217         {
1218                 add_visibility(account == NULL || account->sig_path == NULL
1219                                 || *account->sig_path == '\0');
1220         }
1221         OPARENT quote_fmt CPARENT
1222         {
1223                 remove_visibility();
1224         }
1225         | QUERY_NOT_ACCOUNT_DICT
1226         {
1227 #ifdef USE_ENCHANT
1228                 add_visibility(account == NULL || account->enable_default_dictionary == FALSE
1229                                 || *account->default_dictionary == '\0');
1230 #else
1231                 add_visibility(FALSE);
1232 #endif
1233         }
1234         OPARENT quote_fmt CPARENT
1235         {
1236                 remove_visibility();
1237         }
1238         | QUERY_NOT_DICT
1239         {
1240 #ifdef USE_ENCHANT
1241                 add_visibility(*default_dictionary == '\0');
1242 #else
1243                 add_visibility(FALSE);
1244 #endif
1245         }
1246         OPARENT quote_fmt CPARENT
1247         {
1248                 remove_visibility();
1249         }
1250         | QUERY_NOT_CC_FOUND_IN_ADDRESSBOOK
1251         {
1252                 gchar *tmp = quote_fmt_complete_address(msginfo->cc);
1253                 add_visibility(tmp == NULL || *tmp == '\0');
1254                 g_free(tmp);
1255         }
1256         OPARENT quote_fmt CPARENT
1257         {
1258                 remove_visibility();
1259         }
1260         | QUERY_NOT_FROM_FOUND_IN_ADDRESSBOOK
1261         {
1262                 gchar *tmp = quote_fmt_complete_address(msginfo->from);
1263                 add_visibility(tmp == NULL || *tmp == '\0');
1264                 g_free(tmp);
1265         }
1266         OPARENT quote_fmt CPARENT
1267         {
1268                 remove_visibility();
1269         }
1270         | QUERY_NOT_TO_FOUND_IN_ADDRESSBOOK
1271         {
1272                 gchar *tmp = quote_fmt_complete_address(msginfo->to);
1273                 add_visibility(tmp == NULL || *tmp == '\0');
1274                 g_free(tmp);
1275         }
1276         OPARENT quote_fmt CPARENT
1277         {
1278                 remove_visibility();
1279         };
1280
1281 insert:
1282         INSERT_FILE
1283         {
1284                 current = &sub_expr;
1285                 clear_buffer();
1286         }
1287         OPARENT sub_expr CPARENT
1288         {
1289                 current = &main_expr;
1290                 if (!dry_run) {
1291                         quote_fmt_insert_file(sub_expr.buffer);
1292                 }
1293         }
1294         | INSERT_PROGRAMOUTPUT
1295         {
1296                 current = &sub_expr;
1297                 clear_buffer();
1298         }
1299         OPARENT sub_expr CPARENT
1300         {
1301                 current = &main_expr;
1302                 if (!dry_run) {
1303                         quote_fmt_insert_program_output(sub_expr.buffer);
1304                 }
1305         }
1306         | INSERT_USERINPUT
1307         {
1308                 current = &sub_expr;
1309                 clear_buffer();
1310         }
1311         OPARENT sub_expr CPARENT
1312         {
1313                 current = &main_expr;
1314                 if (!dry_run) {
1315                         quote_fmt_insert_user_input(sub_expr.buffer);
1316                 }
1317         };
1318
1319 attach:
1320         ATTACH_FILE
1321         {
1322                 current = &sub_expr;
1323                 clear_buffer();
1324         }
1325         OPARENT sub_expr CPARENT
1326         {
1327                 current = &main_expr;
1328                 if (!dry_run) {
1329                         quote_fmt_attach_file(sub_expr.buffer);
1330                 }
1331         }
1332         | ATTACH_PROGRAMOUTPUT
1333         {
1334                 current = &sub_expr;
1335                 clear_buffer();
1336         }
1337         OPARENT sub_expr CPARENT
1338         {
1339                 current = &main_expr;
1340                 if (!dry_run) {
1341                         quote_fmt_attach_file_program_output(sub_expr.buffer);
1342                 }
1343         };
1344 ;