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 gchar *quote_fmt_complete_address(const gchar *addr)
 564 {
 565         gint count;
 566         gchar *res, *tmp, *email_addr;
 567         gchar **split;
 568
 569         debug_print("quote_fmt_complete_address: %s\n", addr);
 570         if (addr == NULL)
 571                 return NULL;
 572
 573         /* if addr is a list of message, try the 1st element only */
 574         split = g_strsplit(addr, ",", -1);
 575         if (!split || !split[0] || *split[0] == '\0') {
 576                 g_strfreev(split);
 577                 return NULL;
 578         }
 579
 580         Xstrdup_a(email_addr, split[0], return NULL);
 581         extract_address(email_addr);
 582         if (!*email_addr) {
 583                 g_strfreev(split);
 584                 return NULL;
 585         }
 586
 587         res = NULL;
 588         start_address_completion(NULL);
 589         if (1 < (count = complete_address(email_addr))) {
 590                 tmp = get_complete_address(1);
 591                 res = procheader_get_fromname(tmp);
 592                 g_free(tmp);
 593         }
 594         end_address_completion();
 595         g_strfreev(split);
 596
 597         debug_print("quote_fmt_complete_address: matched %s\n", res);
 598         return res;
 599 }
 600
 601 %}
 602
 603 %union {
 604         char chr;
 605         char str[256];
 606 }
 607
 608 /* tokens SHOW */
 609 %token SHOW_NEWSGROUPS
 610 %token SHOW_DATE SHOW_FROM SHOW_FULLNAME SHOW_FIRST_NAME SHOW_LAST_NAME
 611 %token SHOW_SENDER_INITIAL SHOW_SUBJECT SHOW_TO SHOW_MESSAGEID
 612 %token SHOW_PERCENT SHOW_CC SHOW_REFERENCES SHOW_MESSAGE
 613 %token SHOW_QUOTED_MESSAGE SHOW_BACKSLASH SHOW_TAB SHOW_MAIL_ADDRESS
 614 %token SHOW_QUOTED_MESSAGE_NO_SIGNATURE SHOW_MESSAGE_NO_SIGNATURE
 615 %token SHOW_EOL SHOW_QUESTION_MARK SHOW_EXCLAMATION_MARK SHOW_PIPE SHOW_OPARENT SHOW_CPARENT
 616 %token SHOW_ACCOUNT_FULL_NAME SHOW_ACCOUNT_MAIL_ADDRESS SHOW_ACCOUNT_NAME SHOW_ACCOUNT_ORGANIZATION
 617 %token SHOW_ACCOUNT_DICT SHOW_ACCOUNT_SIG SHOW_ACCOUNT_SIGPATH
 618 %token SHOW_DICT SHOW_TAGS
 619 %token SHOW_ADDRESSBOOK_COMPLETION_FOR_CC
 620 %token SHOW_ADDRESSBOOK_COMPLETION_FOR_FROM
 621 %token SHOW_ADDRESSBOOK_COMPLETION_FOR_TO
 622 /* tokens QUERY */
 623 %token QUERY_DATE QUERY_FROM
 624 %token QUERY_FULLNAME QUERY_SUBJECT QUERY_TO QUERY_NEWSGROUPS
 625 %token QUERY_MESSAGEID QUERY_CC QUERY_REFERENCES
 626 %token QUERY_ACCOUNT_FULL_NAME QUERY_ACCOUNT_ORGANIZATION QUERY_ACCOUNT_DICT
 627 %token QUERY_ACCOUNT_SIG QUERY_ACCOUNT_SIGPATH
 628 %token QUERY_DICT
 629 %token QUERY_CC_FOUND_IN_ADDRESSBOOK
 630 %token QUERY_FROM_FOUND_IN_ADDRESSBOOK
 631 %token QUERY_TO_FOUND_IN_ADDRESSBOOK
 632 /* tokens QUERY_NOT */
 633 %token QUERY_NOT_DATE QUERY_NOT_FROM
 634 %token QUERY_NOT_FULLNAME QUERY_NOT_SUBJECT QUERY_NOT_TO QUERY_NOT_NEWSGROUPS
 635 %token QUERY_NOT_MESSAGEID QUERY_NOT_CC QUERY_NOT_REFERENCES
 636 %token QUERY_NOT_ACCOUNT_FULL_NAME QUERY_NOT_ACCOUNT_ORGANIZATION QUERY_NOT_ACCOUNT_DICT
 637 %token QUERY_NOT_ACCOUNT_SIG QUERY_NOT_ACCOUNT_SIGPATH
 638 %token QUERY_NOT_DICT
 639 %token QUERY_NOT_CC_FOUND_IN_ADDRESSBOOK
 640 %token QUERY_NOT_FROM_FOUND_IN_ADDRESSBOOK
 641 %token QUERY_NOT_TO_FOUND_IN_ADDRESSBOOK
 642 /* other tokens */
 643 %token INSERT_FILE INSERT_PROGRAMOUTPUT INSERT_USERINPUT
 644 %token ATTACH_FILE
 645 %token OPARENT CPARENT
 646 %token CHARACTER
 647 %token SHOW_DATE_EXPR
 648 %token SET_CURSOR_POS
 649
 650 %start quote_fmt
 651
 652 %type <chr> CHARACTER
 653 %type <chr> character
 654 %type <str> string
 655
 656 %%
 657
 658 quote_fmt:
 659         character_or_special_or_insert_or_query_list ;
 660
 661 sub_expr:
 662         character_or_special_list ;
 663
 664 character_or_special_or_insert_or_query_list:
 665         character_or_special_or_insert_or_query character_or_special_or_insert_or_query_list
 666         | character_or_special_or_insert_or_query ;
 667
 668 character_or_special_list:
 669         character_or_special character_or_special_list
 670         | character_or_special ;
 671
 672 character_or_special_or_insert_or_query:
 673         character_or_special
 674         | query
 675         | query_not
 676         | insert
 677         | attach ;
 678
 679 character_or_special:
 680         special
 681         | character
 682         {
 683                 INSERT_CHARACTER($1);
 684         };
 685
 686 character:
 687         CHARACTER
 688         ;
 689
 690 string:
 691         CHARACTER
 692         {
 693                 $$[0] = $1;
 694                 $$[1] = '\0';
 695         }
 696         | string CHARACTER
 697         {
 698                 size_t len;
 699
 700                 strncpy($$, $1, sizeof($$));
 701                 $$[sizeof($$) - 1] = '\0';
 702                 len = strlen($$);
 703                 if (len + 1 < sizeof($$)) {
 704                         $$[len + 1] = '\0';
 705                         $$[len] = $2;
 706                 }
 707         };
 708
 709 special:
 710         SHOW_NEWSGROUPS
 711         {
 712                 if (msginfo->newsgroups)
 713                         INSERT(msginfo->newsgroups);
 714         }
 715         | SHOW_DATE_EXPR OPARENT string CPARENT
 716         {
 717                 quote_fmt_show_date(msginfo, $3);
 718         }
 719         | SHOW_DATE
 720         {
 721                 if (msginfo->date)
 722                         INSERT(msginfo->date);
 723         }
 724         | SHOW_FROM
 725         {
 726                 if (msginfo->from)
 727                         INSERT(msginfo->from);
 728         }
 729         | SHOW_MAIL_ADDRESS
 730         {
 731                 if (msginfo->from) {
 732                         gchar *stripped_address = g_strdup(msginfo->from);
 733                         extract_address(stripped_address);
 734                         INSERT(stripped_address);
 735                         g_free(stripped_address);
 736                 }
 737         }
 738         | SHOW_FULLNAME
 739         {
 740                 if (msginfo->fromname)
 741                         INSERT(msginfo->fromname);
 742         }
 743         | SHOW_FIRST_NAME
 744         {
 745                 quote_fmt_show_first_name(msginfo);
 746         }
 747         | SHOW_LAST_NAME
 748     {
 749                 quote_fmt_show_last_name(msginfo);
 750         }
 751         | SHOW_SENDER_INITIAL
 752         {
 753                 quote_fmt_show_sender_initial(msginfo);
 754         }
 755         | SHOW_SUBJECT
 756         {
 757                 if (msginfo->subject)
 758                         INSERT(msginfo->subject);
 759         }
 760         | SHOW_TO
 761         {
 762                 if (msginfo->to)
 763                         INSERT(msginfo->to);
 764         }
 765         | SHOW_MESSAGEID
 766         {
 767                 if (msginfo->msgid)
 768                         INSERT(msginfo->msgid);
 769         }
 770         | SHOW_PERCENT
 771         {
 772                 INSERT("%");
 773         }
 774         | SHOW_CC
 775         {
 776                 if (msginfo->cc)
 777                         INSERT(msginfo->cc);
 778         }
 779         | SHOW_REFERENCES
 780         {
 781                 GSList *item;
 782
 783                 INSERT(msginfo->inreplyto);
 784                 for (item = msginfo->references; item != NULL; item = g_slist_next(item))
 785                         if (item->data)
 786                                 INSERT(item->data);
 787         }
 788         | SHOW_MESSAGE
 789         {
 790                 quote_fmt_show_msg(msginfo, body, FALSE, TRUE, quote_str);
 791         }
 792         | SHOW_QUOTED_MESSAGE
 793         {
 794                 quote_fmt_show_msg(msginfo, body, TRUE, TRUE, quote_str);
 795         }
 796         | SHOW_MESSAGE_NO_SIGNATURE
 797         {
 798                 quote_fmt_show_msg(msginfo, body, FALSE, FALSE, quote_str);
 799         }
 800         | SHOW_QUOTED_MESSAGE_NO_SIGNATURE
 801         {
 802                 quote_fmt_show_msg(msginfo, body, TRUE, FALSE, quote_str);
 803         }
 804         | SHOW_ACCOUNT_FULL_NAME
 805         {
 806                 if (account && account->name)
 807                         INSERT(account->name);
 808         }
 809         | SHOW_ACCOUNT_MAIL_ADDRESS
 810         {
 811                 if (account && account->address)
 812                         INSERT(account->address);
 813         }
 814         | SHOW_ACCOUNT_NAME
 815         {
 816                 if (account && account->account_name)
 817                         INSERT(account->account_name);
 818         }
 819         | SHOW_ACCOUNT_ORGANIZATION
 820         {
 821                 if (account && account->organization)
 822                         INSERT(account->organization);
 823         }
 824         | SHOW_ACCOUNT_SIG
 825         {
 826                 gchar *str = account_get_signature_str(account);
 827                 INSERT(str);
 828                 g_free(str);
 829         }
 830         | SHOW_ACCOUNT_SIGPATH
 831         {
 832                 if (account && account->sig_path)
 833                         INSERT(account->sig_path);
 834         }
 835         | SHOW_ACCOUNT_DICT
 836         {
 837 #ifdef USE_ENCHANT
 838                 if (account && account->enable_default_dictionary) {
 839                         gchar *dictname = g_path_get_basename(account->default_dictionary);
 840                         INSERT(dictname);
 841                         g_free(dictname);
 842                 }
 843 #endif
 844         }
 845         | SHOW_DICT
 846         {
 847 #ifdef USE_ENCHANT
 848                 INSERT(default_dictionary);
 849 #endif
 850         }
 851         | SHOW_TAGS
 852         {
 853                 gchar *tags = procmsg_msginfo_get_tags_str(msginfo);
 854                 if (tags) {
 855                         INSERT(tags);
 856                 }
 857                 g_free(tags);
 858         }
 859         | SHOW_BACKSLASH
 860         {
 861                 INSERT("\\");
 862         }
 863         | SHOW_TAB
 864         {
 865                 INSERT("\t");
 866         }
 867         | SHOW_EOL
 868         {
 869                 INSERT("\n");
 870         }
 871         | SHOW_QUESTION_MARK
 872         {
 873                 INSERT("?");
 874         }
 875         | SHOW_EXCLAMATION_MARK
 876         {
 877                 INSERT("!");
 878         }
 879         | SHOW_PIPE
 880         {
 881                 INSERT("|");
 882         }
 883         | SHOW_OPARENT
 884         {
 885                 INSERT("{");
 886         }
 887         | SHOW_CPARENT
 888         {
 889                 INSERT("}");
 890         }
 891         | SET_CURSOR_POS
 892         {
 893                 if (current->buffer)
 894                         cursor_pos = g_utf8_strlen(current->buffer, -1);
 895                 else
 896                         cursor_pos = 0;
 897         }
 898         | SHOW_ADDRESSBOOK_COMPLETION_FOR_CC
 899         {
 900                 gchar *tmp = quote_fmt_complete_address(msginfo->cc);
 901                 if (tmp) {
 902                         INSERT(tmp);
 903                         g_free(tmp);
 904                 }
 905         }
 906         | SHOW_ADDRESSBOOK_COMPLETION_FOR_FROM
 907         {
 908                 gchar *tmp = quote_fmt_complete_address(msginfo->from);
 909                 if (tmp) {
 910                         INSERT(tmp);
 911                         g_free(tmp);
 912                 }
 913         }
 914         | SHOW_ADDRESSBOOK_COMPLETION_FOR_TO
 915         {
 916                 gchar *tmp = quote_fmt_complete_address(msginfo->to);
 917                 if (tmp) {
 918                         INSERT(tmp);
 919                         g_free(tmp);
 920                 }
 921         };
 922
 923 query:
 924         QUERY_DATE
 925         {
 926                 add_visibility(msginfo->date != NULL);
 927         }
 928         OPARENT quote_fmt CPARENT
 929         {
 930                 remove_visibility();
 931         }
 932         | QUERY_FROM
 933         {
 934                 add_visibility(msginfo->from != NULL);
 935         }
 936         OPARENT quote_fmt CPARENT
 937         {
 938                 remove_visibility();
 939         }
 940         | QUERY_FULLNAME
 941         {
 942                 add_visibility(msginfo->fromname != NULL);
 943         }
 944         OPARENT quote_fmt CPARENT
 945         {
 946                 remove_visibility();
 947         }
 948         | QUERY_SUBJECT
 949         {
 950                 add_visibility(msginfo->subject != NULL);
 951         }
 952         OPARENT quote_fmt CPARENT
 953         {
 954                 remove_visibility();
 955         }
 956         | QUERY_TO
 957         {
 958                 add_visibility(msginfo->to != NULL);
 959         }
 960         OPARENT quote_fmt CPARENT
 961         {
 962                 remove_visibility();
 963         }
 964         | QUERY_NEWSGROUPS
 965         {
 966                 add_visibility(msginfo->newsgroups != NULL);
 967         }
 968         OPARENT quote_fmt CPARENT
 969         {
 970                 remove_visibility();
 971         }
 972         | QUERY_MESSAGEID
 973         {
 974                 add_visibility(msginfo->msgid != NULL);
 975         }
 976         OPARENT quote_fmt CPARENT
 977         {
 978                 remove_visibility();
 979         }
 980         | QUERY_CC
 981         {
 982                 add_visibility(msginfo->cc != NULL);
 983         }
 984         OPARENT quote_fmt CPARENT
 985         {
 986                 remove_visibility();
 987         }
 988         | QUERY_REFERENCES
 989         {
 990                 gboolean found;
 991                 GSList *item;
 992
 993                 found = (msginfo->inreplyto != NULL);
 994                 for (item = msginfo->references; found == FALSE && item != NULL; item = g_slist_next(item))
 995                         if (item->data)
 996                                 found = TRUE;
 997                 add_visibility(found == TRUE);
 998         }
 999         OPARENT quote_fmt CPARENT
1000         {
1001                 remove_visibility();
1002         }
1003         | QUERY_ACCOUNT_FULL_NAME
1004         {
1005                 add_visibility(account != NULL && account->name != NULL);
1006         }
1007         OPARENT quote_fmt CPARENT
1008         {
1009                 remove_visibility();
1010         }
1011         | QUERY_ACCOUNT_ORGANIZATION
1012         {
1013                 add_visibility(account != NULL && account->organization != NULL);
1014         }
1015         OPARENT quote_fmt CPARENT
1016         {
1017                 remove_visibility();
1018         }
1019         | QUERY_ACCOUNT_SIG
1020         {
1021                 gchar *str = account_get_signature_str(account);
1022                 add_visibility(str != NULL && * str != '\0');
1023                 g_free(str);
1024         }
1025         OPARENT quote_fmt CPARENT
1026         {
1027                 remove_visibility();
1028         }
1029         | QUERY_ACCOUNT_SIGPATH
1030         {
1031                 add_visibility(account != NULL && account->sig_path != NULL
1032                                 && *account->sig_path != '\0');
1033         }
1034         OPARENT quote_fmt CPARENT
1035         {
1036                 remove_visibility();
1037         }
1038         | QUERY_ACCOUNT_DICT
1039         {
1040 #ifdef USE_ENCHANT
1041                 add_visibility(account != NULL && account->enable_default_dictionary == TRUE &&
1042                                 account->default_dictionary != NULL && *account->default_dictionary != '\0');
1043 #else
1044                 add_visibility(FALSE);
1045 #endif
1046         }
1047         OPARENT quote_fmt CPARENT
1048         {
1049                 remove_visibility();
1050         }
1051         | QUERY_DICT
1052         {
1053 #ifdef USE_ENCHANT
1054                 add_visibility(*default_dictionary != '\0');
1055 #else
1056                 add_visibility(FALSE);
1057 #endif
1058         }
1059         OPARENT quote_fmt CPARENT
1060         {
1061                 remove_visibility();
1062         }
1063         | QUERY_CC_FOUND_IN_ADDRESSBOOK
1064         {
1065                 gchar *tmp = quote_fmt_complete_address(msginfo->cc);
1066                 add_visibility(tmp != NULL && *tmp != '\0');
1067                 g_free(tmp);
1068         }
1069         OPARENT quote_fmt CPARENT
1070         {
1071                 remove_visibility();
1072         }
1073         | QUERY_FROM_FOUND_IN_ADDRESSBOOK
1074         {
1075                 gchar *tmp = quote_fmt_complete_address(msginfo->from);
1076                 add_visibility(tmp != NULL && *tmp != '\0');
1077                 g_free(tmp);
1078         }
1079         OPARENT quote_fmt CPARENT
1080         {
1081                 remove_visibility();
1082         }
1083         | QUERY_TO_FOUND_IN_ADDRESSBOOK
1084         {
1085                 gchar *tmp = quote_fmt_complete_address(msginfo->to);
1086                 add_visibility(tmp != NULL && *tmp != '\0');
1087                 g_free(tmp);
1088         }
1089         OPARENT quote_fmt CPARENT
1090         {
1091                 remove_visibility();
1092         };
1093
1094 query_not:
1095         QUERY_NOT_DATE
1096         {
1097                 add_visibility(msginfo->date == NULL);
1098         }
1099         OPARENT quote_fmt CPARENT
1100         {
1101                 remove_visibility();
1102         }
1103         | QUERY_NOT_FROM
1104         {
1105                 add_visibility(msginfo->from == NULL);
1106         }
1107         OPARENT quote_fmt CPARENT
1108         {
1109                 remove_visibility();
1110         }
1111         | QUERY_NOT_FULLNAME
1112         {
1113                 add_visibility(msginfo->fromname == NULL);
1114         }
1115         OPARENT quote_fmt CPARENT
1116         {
1117                 remove_visibility();
1118         }
1119         | QUERY_NOT_SUBJECT
1120         {
1121                 add_visibility(msginfo->subject == NULL);
1122         }
1123         OPARENT quote_fmt CPARENT
1124         {
1125                 remove_visibility();
1126         }
1127         | QUERY_NOT_TO
1128         {
1129                 add_visibility(msginfo->to == NULL);
1130         }
1131         OPARENT quote_fmt CPARENT
1132         {
1133                 remove_visibility();
1134         }
1135         | QUERY_NOT_NEWSGROUPS
1136         {
1137                 add_visibility(msginfo->newsgroups == NULL);
1138         }
1139         OPARENT quote_fmt CPARENT
1140         {
1141                 remove_visibility();
1142         }
1143         | QUERY_NOT_MESSAGEID
1144         {
1145                 add_visibility(msginfo->msgid == NULL);
1146         }
1147         OPARENT quote_fmt CPARENT
1148         {
1149                 remove_visibility();
1150         }
1151         | QUERY_NOT_CC
1152         {
1153                 add_visibility(msginfo->cc == NULL);
1154         }
1155         OPARENT quote_fmt CPARENT
1156         {
1157                 remove_visibility();
1158         }
1159         | QUERY_NOT_REFERENCES
1160         {
1161                 gboolean found;
1162                 GSList *item;
1163
1164                 found = (msginfo->inreplyto != NULL);
1165                 for (item = msginfo->references; found == FALSE && item != NULL; item = g_slist_next(item))
1166                         if (item->data)
1167                                 found = TRUE;
1168                 add_visibility(found == FALSE);
1169         }
1170         OPARENT quote_fmt CPARENT
1171         {
1172                 remove_visibility();
1173         }
1174         | QUERY_NOT_ACCOUNT_FULL_NAME
1175         {
1176                 add_visibility(account == NULL || account->name == NULL);
1177         }
1178         OPARENT quote_fmt CPARENT
1179         {
1180                 remove_visibility();
1181         }
1182         | QUERY_NOT_ACCOUNT_ORGANIZATION
1183         {
1184                 add_visibility(account == NULL || account->organization == NULL);
1185         }
1186         OPARENT quote_fmt CPARENT
1187         {
1188                 remove_visibility();
1189         }
1190         | QUERY_NOT_ACCOUNT_SIG
1191         {
1192                 gchar *str = account_get_signature_str(account);
1193                 add_visibility(str == NULL || *str == '\0');
1194                 g_free(str);
1195         }
1196         OPARENT quote_fmt CPARENT
1197         {
1198                 remove_visibility();
1199         }
1200         | QUERY_NOT_ACCOUNT_SIGPATH
1201         {
1202                 add_visibility(account == NULL || account->sig_path == NULL
1203                                 || *account->sig_path == '\0');
1204         }
1205         OPARENT quote_fmt CPARENT
1206         {
1207                 remove_visibility();
1208         }
1209         | QUERY_NOT_ACCOUNT_DICT
1210         {
1211 #ifdef USE_ENCHANT
1212                 add_visibility(account == NULL || account->enable_default_dictionary == FALSE
1213                                 || *account->default_dictionary == '\0');
1214 #else
1215                 add_visibility(FALSE);
1216 #endif
1217         }
1218         OPARENT quote_fmt CPARENT
1219         {
1220                 remove_visibility();
1221         }
1222         | QUERY_NOT_DICT
1223         {
1224 #ifdef USE_ENCHANT
1225                 add_visibility(*default_dictionary == '\0');
1226 #else
1227                 add_visibility(FALSE);
1228 #endif
1229         }
1230         OPARENT quote_fmt CPARENT
1231         {
1232                 remove_visibility();
1233         }
1234         | QUERY_NOT_CC_FOUND_IN_ADDRESSBOOK
1235         {
1236                 gchar *tmp = quote_fmt_complete_address(msginfo->cc);
1237                 add_visibility(tmp == NULL || *tmp == '\0');
1238                 g_free(tmp);
1239         }
1240         OPARENT quote_fmt CPARENT
1241         {
1242                 remove_visibility();
1243         }
1244         | QUERY_NOT_FROM_FOUND_IN_ADDRESSBOOK
1245         {
1246                 gchar *tmp = quote_fmt_complete_address(msginfo->from);
1247                 add_visibility(tmp == NULL || *tmp == '\0');
1248                 g_free(tmp);
1249         }
1250         OPARENT quote_fmt CPARENT
1251         {
1252                 remove_visibility();
1253         }
1254         | QUERY_NOT_TO_FOUND_IN_ADDRESSBOOK
1255         {
1256                 gchar *tmp = quote_fmt_complete_address(msginfo->to);
1257                 add_visibility(tmp == NULL || *tmp == '\0');
1258                 g_free(tmp);
1259         }
1260         OPARENT quote_fmt CPARENT
1261         {
1262                 remove_visibility();
1263         };
1264
1265 insert:
1266         INSERT_FILE
1267         {
1268                 current = &sub_expr;
1269                 clear_buffer();
1270         }
1271         OPARENT sub_expr CPARENT
1272         {
1273                 current = &main_expr;
1274                 if (!dry_run) {
1275                         quote_fmt_insert_file(sub_expr.buffer);
1276                 }
1277         }
1278         | INSERT_PROGRAMOUTPUT
1279         {
1280                 current = &sub_expr;
1281                 clear_buffer();
1282         }
1283         OPARENT sub_expr CPARENT
1284         {
1285                 current = &main_expr;
1286                 if (!dry_run) {
1287                         quote_fmt_insert_program_output(sub_expr.buffer);
1288                 }
1289         }
1290         | INSERT_USERINPUT
1291         {
1292                 current = &sub_expr;
1293                 clear_buffer();
1294         }
1295         OPARENT sub_expr CPARENT
1296         {
1297                 current = &main_expr;
1298                 if (!dry_run) {
1299                         quote_fmt_insert_user_input(sub_expr.buffer);
1300                 }
1301         };
1302
1303 attach:
1304         ATTACH_FILE
1305         {
1306                 current = &sub_expr;
1307                 clear_buffer();
1308         }
1309         OPARENT sub_expr CPARENT
1310         {
1311                 current = &main_expr;
1312                 if (!dry_run) {
1313                         quote_fmt_attach_file(sub_expr.buffer);
1314                 }
1315         };