camel/camel-folder-search.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  *  Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
   4  *
   5  *  Authors: Michael Zucchi <notzed@ximian.com>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of version 2 of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  */
  21
  22 /* This is a helper class for folders to implement the search function.
  23    It implements enough to do basic searches on folders that can provide
  24    an in-memory summary and a body index. */
  25
  26 #ifdef HAVE_CONFIG_H
  27 #include <config.h>
  28 #endif
  29
  30 /* POSIX requires <sys/types.h> be included before <regex.h> */
  31 #include <sys/types.h>
  32
  33 #include <ctype.h>
  34 #include <regex.h>
  35 #include <stdio.h>
  36 #include <string.h>
  37
  38 #include <glib/gi18n-lib.h>
  39
  40 #include "camel-exception.h"
  41 #include "camel-folder-search.h"
  42 #include "camel-folder-thread.h"
  43 #include "camel-iconv.h"
  44 #include "camel-medium.h"
  45 #include "camel-mime-message.h"
  46 #include "camel-multipart.h"
  47 #include "camel-search-private.h"
  48 #include "camel-stream-mem.h"
  49 #include "camel-db.h"
  50 #include "camel-debug.h"
  51 #include "camel-store.h"
  52 #include "camel-vee-folder.h"
  53 #include "camel-string-utils.h"
  54 #include "camel-search-sql.h"
  55 #include "camel-search-sql-sexp.h"
  56
  57 #define d(x)
  58 #define r(x)
  59 #define dd(x) if (camel_debug("search")) x
  60
  61 struct _CamelFolderSearchPrivate {
  62         CamelException *ex;
  63
  64         CamelFolderThread *threads;
  65         GHashTable *threads_hash;
  66 };
  67
  68 #define _PRIVATE(o) (((CamelFolderSearch *)(o))->priv)
  69
  70 static ESExpResult *search_not(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search);
  71
  72 static ESExpResult *search_header_contains(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search);
  73 static ESExpResult *search_header_matches(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search);
  74 static ESExpResult *search_header_starts_with(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search);
  75 static ESExpResult *search_header_ends_with(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search);
  76 static ESExpResult *search_header_exists(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search);
  77 static ESExpResult *search_header_soundex(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search);
  78 static ESExpResult *search_header_regex(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search);
  79 static ESExpResult *search_header_full_regex(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search);
  80 static ESExpResult *search_match_all(struct _ESExp *f, gint argc, struct _ESExpTerm **argv, CamelFolderSearch *search);
  81 static ESExpResult *search_match_threads(struct _ESExp *f, gint argc, struct _ESExpTerm **argv, CamelFolderSearch *s);
  82 static ESExpResult *search_body_contains(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search);
  83 static ESExpResult *search_body_regex(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search);
  84 static ESExpResult *search_user_flag(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *s);
  85 static ESExpResult *search_user_tag(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *s);
  86 static ESExpResult *search_system_flag(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *s);
  87 static ESExpResult *search_get_sent_date(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *s);
  88 static ESExpResult *search_get_received_date(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *s);
  89 static ESExpResult *search_get_current_date(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *s);
  90 static ESExpResult *search_get_size(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *s);
  91 static ESExpResult *search_uid(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *s);
  92 static ESExpResult *search_message_location(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *s);
  93
  94 static ESExpResult *search_dummy(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search);
  95
  96 static void camel_folder_search_class_init (CamelFolderSearchClass *klass);
  97 static void camel_folder_search_init       (CamelFolderSearch *obj);
  98 static void camel_folder_search_finalize   (CamelObject *obj);
  99
 100 static gint read_uid_callback (gpointer  ref, gint ncol, gchar ** cols, gchar **name);
 101
 102 static CamelObjectClass *camel_folder_search_parent;
 103
 104 static void
 105 camel_folder_search_class_init (CamelFolderSearchClass *klass)
 106 {
 107         camel_folder_search_parent = camel_type_get_global_classfuncs (camel_object_get_type ());
 108
 109         klass->not = search_not;
 110
 111         klass->match_all = search_match_all;
 112         klass->match_threads = search_match_threads;
 113         klass->body_contains = search_body_contains;
 114         klass->body_regex = search_body_regex;
 115         klass->header_contains = search_header_contains;
 116         klass->header_matches = search_header_matches;
 117         klass->header_starts_with = search_header_starts_with;
 118         klass->header_ends_with = search_header_ends_with;
 119         klass->header_exists = search_header_exists;
 120         klass->header_soundex = search_header_soundex;
 121         klass->header_regex = search_header_regex;
 122         klass->header_full_regex = search_header_full_regex;
 123         klass->user_tag = search_user_tag;
 124         klass->user_flag = search_user_flag;
 125         klass->system_flag = search_system_flag;
 126         klass->get_sent_date = search_get_sent_date;
 127         klass->get_received_date = search_get_received_date;
 128         klass->get_current_date = search_get_current_date;
 129         klass->get_size = search_get_size;
 130         klass->uid = search_uid;
 131         klass->message_location = search_message_location;
 132 }
 133
 134 static void
 135 camel_folder_search_init (CamelFolderSearch *obj)
 136 {
 137         struct _CamelFolderSearchPrivate *p;
 138
 139         p = _PRIVATE(obj) = g_malloc0(sizeof(*p));
 140
 141         obj->sexp = e_sexp_new();
 142 }
 143
 144 static void
 145 camel_folder_search_finalize (CamelObject *obj)
 146 {
 147         CamelFolderSearch *search = (CamelFolderSearch *)obj;
 148         struct _CamelFolderSearchPrivate *p = _PRIVATE(obj);
 149
 150         if (search->sexp)
 151                 e_sexp_unref(search->sexp);
 152
 153         g_free(search->last_search);
 154         g_free(p);
 155 }
 156
 157 CamelType
 158 camel_folder_search_get_type (void)
 159 {
 160         static CamelType type = CAMEL_INVALID_TYPE;
 161
 162         if (type == CAMEL_INVALID_TYPE) {
 163                 type = camel_type_register (camel_object_get_type (), "CamelFolderSearch",
 164                                             sizeof (CamelFolderSearch),
 165                                             sizeof (CamelFolderSearchClass),
 166                                             (CamelObjectClassInitFunc) camel_folder_search_class_init,
 167                                             NULL,
 168                                             (CamelObjectInitFunc) camel_folder_search_init,
 169                                             (CamelObjectFinalizeFunc) camel_folder_search_finalize);
 170         }
 171
 172         return type;
 173 }
 174
 175 #ifdef offsetof
 176 #define CAMEL_STRUCT_OFFSET(type, field)        ((gint) offsetof (type, field))
 177 #else
 178 #define CAMEL_STRUCT_OFFSET(type, field)        ((gint) ((gchar *) &((type *) 0)->field))
 179 #endif
 180
 181 static struct {
 182         const gchar *name;
 183         gint offset;
 184         gint flags;             /* 0x02 = immediate, 0x01 = always enter */
 185 } builtins[] = {
 186         /* these have default implementations in e-sexp */
 187         { "and", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, and), 2 },
 188         { "or", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, or), 2 },
 189         /* we need to override this one though to implement an 'array not' */
 190         { "not", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, not), 0 },
 191         { "<", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, lt), 2 },
 192         { ">", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, gt), 2 },
 193         { "=", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, eq), 2 },
 194
 195         /* these we have to use our own default if there is none */
 196         /* they should all be defined in the language? so it parses, or should they not?? */
 197         { "match-all", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, match_all), 3 },
 198         { "match-threads", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, match_threads), 3 },
 199         { "body-contains", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, body_contains), 1 },
 200         { "body-regex",  CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, body_regex), 1  },
 201         { "header-contains", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, header_contains), 1 },
 202         { "header-matches", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, header_matches), 1 },
 203         { "header-starts-with", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, header_starts_with), 1 },
 204         { "header-ends-with", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, header_ends_with), 1 },
 205         { "header-exists", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, header_exists), 1 },
 206         { "header-soundex", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, header_soundex), 1 },
 207         { "header-regex", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, header_regex), 1 },
 208         { "header-full-regex", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, header_full_regex), 1 },
 209         { "user-tag", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, user_tag), 1 },
 210         { "user-flag", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, user_flag), 1 },
 211         { "system-flag", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, system_flag), 1 },
 212         { "get-sent-date", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, get_sent_date), 1 },
 213         { "get-received-date", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, get_received_date), 1 },
 214         { "get-current-date", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, get_current_date), 1 },
 215         { "get-size", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, get_size), 1 },
 216         { "uid", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, uid), 1 },
 217         { "message-location", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, message_location), 1 },
 218 };
 219
 220 void
 221 camel_folder_search_construct (CamelFolderSearch *search)
 222 {
 223         gint i;
 224         CamelFolderSearchClass *klass = (CamelFolderSearchClass *)CAMEL_OBJECT_GET_CLASS(search);
 225
 226         for (i = 0; i < G_N_ELEMENTS (builtins); i++) {
 227                 gpointer func;
 228                 /* c is sure messy sometimes */
 229                 func = *((gpointer *)(((gchar *)klass)+builtins[i].offset));
 230                 if (func == NULL && builtins[i].flags&1) {
 231                         g_warning("Search class doesn't implement '%s' method: %s", builtins[i].name, camel_type_to_name(CAMEL_OBJECT_GET_CLASS(search)));
 232                         func = (gpointer)search_dummy;
 233                 }
 234                 if (func != NULL) {
 235                         if (builtins[i].flags&2) {
 236                                 e_sexp_add_ifunction(search->sexp, 0, builtins[i].name, (ESExpIFunc *)func, search);
 237                         } else {
 238                                 e_sexp_add_function(search->sexp, 0, builtins[i].name, (ESExpFunc *)func, search);
 239                         }
 240                 }
 241         }
 242 }
 243
 244 /**
 245  * camel_folder_search_new:
 246  *
 247  * Create a new CamelFolderSearch object.
 248  *
 249  * A CamelFolderSearch is a subclassable, extensible s-exp
 250  * evaluator which enforces a particular set of s-expressions.
 251  * Particular methods may be overriden by an implementation to
 252  * implement a search for any sort of backend.
 253  *
 254  * Returns: A new CamelFolderSearch widget.
 255  **/
 256 CamelFolderSearch *
 257 camel_folder_search_new (void)
 258 {
 259         CamelFolderSearch *new = CAMEL_FOLDER_SEARCH (camel_object_new (camel_folder_search_get_type ()));
 260
 261         camel_folder_search_construct(new);
 262         return new;
 263 }
 264
 265 /**
 266  * camel_folder_search_set_folder:
 267  * @search:
 268  * @folder: A folder.
 269  *
 270  * Set the folder attribute of the search.  This is currently unused, but
 271  * could be used to perform a slow-search when indexes and so forth are not
 272  * available.  Or for use by subclasses.
 273  **/
 274 void
 275 camel_folder_search_set_folder(CamelFolderSearch *search, CamelFolder *folder)
 276 {
 277         search->folder = folder;
 278 }
 279
 280 /**
 281  * camel_folder_search_set_summary:
 282  * @search:
 283  * @summary: An array of CamelMessageInfo pointers.
 284  *
 285  * Set the array of summary objects representing the span of the search.
 286  *
 287  * If this is not set, then a subclass must provide the functions
 288  * for searching headers and for the match-all operator.
 289  **/
 290 void
 291 camel_folder_search_set_summary(CamelFolderSearch *search, GPtrArray *summary)
 292 {
 293         search->summary = summary;
 294 }
 295
 296 /**
 297  * camel_folder_search_set_body_index:
 298  * @search:
 299  * @index:
 300  *
 301  * Set the index representing the contents of all messages
 302  * in this folder.  If this is not set, then the folder implementation
 303  * should sub-class the CamelFolderSearch and provide its own
 304  * body-contains function.
 305  **/
 306 void
 307 camel_folder_search_set_body_index(CamelFolderSearch *search, CamelIndex *index)
 308 {
 309         if (search->body_index)
 310                 camel_object_unref((CamelObject *)search->body_index);
 311         search->body_index = index;
 312         if (index)
 313                 camel_object_ref((CamelObject *)index);
 314 }
 315
 316 /**
 317  * camel_folder_search_execute_expression:
 318  * @search:
 319  * @expr:
 320  * @ex:
 321  *
 322  * Execute the search expression @expr, returning an array of
 323  * all matches as a GPtrArray of uid's of matching messages.
 324  *
 325  * Note that any settings such as set_body_index(), set_folder(),
 326  * and so on are reset to #NULL once the search has completed.
 327  *
 328  * TODO: The interface should probably return summary items instead
 329  * (since they are much more useful to any client).
 330  *
 331  * Returns: A GPtrArray of strings of all matching messages.
 332  * This must only be freed by camel_folder_search_free_result.
 333  **/
 334 GPtrArray *
 335 camel_folder_search_execute_expression(CamelFolderSearch *search, const gchar *expr, CamelException *ex)
 336 {
 337         ESExpResult *r;
 338         GPtrArray *matches;
 339         gint i;
 340         GHashTable *results;
 341         struct _CamelFolderSearchPrivate *p = _PRIVATE(search);
 342
 343         p->ex = ex;
 344
 345         /* only re-parse if the search has changed */
 346         if (search->last_search == NULL
 347             || strcmp(search->last_search, expr)) {
 348                 e_sexp_input_text(search->sexp, expr, strlen(expr));
 349                 if (e_sexp_parse(search->sexp) == -1) {
 350                         camel_exception_setv(ex, 1, _("Cannot parse search expression: %s:\n%s"), e_sexp_error(search->sexp), expr);
 351                         return NULL;
 352                 }
 353
 354                 g_free(search->last_search);
 355                 search->last_search = g_strdup(expr);
 356         }
 357         r = e_sexp_eval(search->sexp);
 358         if (r == NULL) {
 359                 if (!camel_exception_is_set(ex))
 360                         camel_exception_setv(ex, 1, _("Error executing search expression: %s:\n%s"), e_sexp_error(search->sexp), expr);
 361                 return NULL;
 362         }
 363
 364         matches = g_ptr_array_new();
 365
 366         /* now create a folder summary to return?? */
 367         if (r->type == ESEXP_RES_ARRAY_PTR) {
 368                 d(printf("got result ...\n"));
 369                 if (search->summary) {
 370                         /* reorder result in summary order */
 371                         results = g_hash_table_new(g_str_hash, g_str_equal);
 372                         for (i=0;i<r->value.ptrarray->len;i++) {
 373                                 d(printf("adding match: %s\n", (gchar *)g_ptr_array_index(r->value.ptrarray, i)));
 374                                 g_hash_table_insert(results, g_ptr_array_index(r->value.ptrarray, i), GINT_TO_POINTER (1));
 375                         }
 376                         for (i=0;i<search->summary->len;i++) {
 377                                 gchar *uid = g_ptr_array_index(search->summary, i);
 378                                 if (g_hash_table_lookup(results, uid)) {
 379                                         g_ptr_array_add(matches, (gpointer) camel_pstring_strdup(uid));
 380                                 }
 381                         }
 382                         g_hash_table_destroy(results);
 383                 } else {
 384                         for (i=0;i<r->value.ptrarray->len;i++) {
 385                                 d(printf("adding match: %s\n", (gchar *)g_ptr_array_index(r->value.ptrarray, i)));
 386                                 g_ptr_array_add(matches, (gpointer) camel_pstring_strdup(g_ptr_array_index(r->value.ptrarray, i)));
 387                         }
 388                 }
 389         } else {
 390                 g_warning("Search returned an invalid result type");
 391         }
 392
 393         e_sexp_result_free(search->sexp, r);
 394
 395         if (p->threads)
 396                 camel_folder_thread_messages_unref(p->threads);
 397         if (p->threads_hash)
 398                 g_hash_table_destroy(p->threads_hash);
 399
 400         p->threads = NULL;
 401         p->threads_hash = NULL;
 402         search->folder = NULL;
 403         search->summary = NULL;
 404         search->current = NULL;
 405         search->body_index = NULL;
 406
 407         return matches;
 408 }
 409
 410 /**
 411  * camel_folder_search_count:
 412  * @search:
 413  * @expr:
 414  * @uids: to search against, NULL for all uid's.
 415  * @ex:
 416  *
 417  * Run a search.  Search must have had Folder already set on it, and
 418  * it must implement summaries.
 419  *
 420  * Returns: Number of messages that match the query.
 421  *
 422  * Since: 2.26
 423  **/
 424
 425 guint32
 426 camel_folder_search_count(CamelFolderSearch *search, const gchar *expr, CamelException *ex)
 427 {
 428         ESExpResult *r;
 429         GPtrArray *summary_set;
 430         gint i;
 431         CamelDB *cdb;
 432         gchar *sql_query, *tmp, *tmp1;
 433         GHashTable *results;
 434         guint32 count = 0;
 435
 436         struct _CamelFolderSearchPrivate *p = _PRIVATE(search);
 437
 438         g_assert(search->folder);
 439
 440         p->ex = ex;
 441
 442         /* We route body-contains search and thread based search through memory and not via db. */
 443         if (strstr((const gchar *) expr, "body-contains") || strstr((const gchar *) expr, "match-threads")) {
 444                 /* setup our search list only contains those we're interested in */
 445                 search->summary = camel_folder_get_summary(search->folder);
 446
 447                 summary_set = search->summary;
 448
 449                 /* only re-parse if the search has changed */
 450                 if (search->last_search == NULL
 451                     || strcmp(search->last_search, expr)) {
 452                         e_sexp_input_text(search->sexp, expr, strlen(expr));
 453                         if (e_sexp_parse(search->sexp) == -1) {
 454                                 camel_exception_setv(ex, 1, _("Cannot parse search expression: %s:\n%s"), e_sexp_error(search->sexp), expr);
 455                                 goto fail;
 456                         }
 457
 458                         g_free(search->last_search);
 459                         search->last_search = g_strdup(expr);
 460                 }
 461                 r = e_sexp_eval(search->sexp);
 462                 if (r == NULL) {
 463                         if (!camel_exception_is_set(ex))
 464                                 camel_exception_setv(ex, 1, _("Error executing search expression: %s:\n%s"), e_sexp_error(search->sexp), expr);
 465                         goto fail;
 466                 }
 467
 468                 /* now create a folder summary to return?? */
 469                 if (r->type == ESEXP_RES_ARRAY_PTR) {
 470                         d(printf("got result\n"));
 471
 472                         /* reorder result in summary order */
 473                         results = g_hash_table_new(g_str_hash, g_str_equal);
 474                         for (i=0;i<r->value.ptrarray->len;i++) {
 475                                 d(printf("adding match: %s\n", (gchar *)g_ptr_array_index(r->value.ptrarray, i)));
 476                                 g_hash_table_insert(results, g_ptr_array_index(r->value.ptrarray, i), GINT_TO_POINTER (1));
 477                         }
 478
 479                         for (i=0;i<summary_set->len;i++) {
 480                                 gchar *uid = g_ptr_array_index(summary_set, i);
 481                                 if (g_hash_table_lookup(results, uid))
 482                                         count++;
 483                         }
 484                         g_hash_table_destroy(results);
 485                 }
 486
 487                 e_sexp_result_free(search->sexp, r);
 488
 489         } else {
 490                 /* Sync the db, so that we search the db for changes */
 491                 camel_folder_summary_save_to_db (search->folder->summary, ex);
 492
 493                 dd(printf ("sexp is : [%s]\n", expr));
 494                 if (g_getenv("SQL_SEARCH_OLD"))
 495                         sql_query = camel_sexp_to_sql (expr);
 496                 else
 497                         sql_query = camel_sexp_to_sql_sexp (expr);
 498                 tmp1 = camel_db_sqlize_string(search->folder->full_name);
 499                 tmp = g_strdup_printf ("SELECT COUNT (*) FROM %s %s %s", tmp1, sql_query ? "WHERE":"", sql_query?sql_query:"");
 500                 camel_db_free_sqlized_string (tmp1);
 501                 g_free (sql_query);
 502                 dd(printf("Equivalent sql %s\n", tmp));
 503
 504                 cdb = (CamelDB *) (search->folder->parent_store->cdb_r);
 505                 camel_db_count_message_info  (cdb, tmp, &count, ex);
 506                 if (ex && camel_exception_is_set(ex)) {
 507                         const gchar *exception = camel_exception_get_description (ex);
 508                         if (strncmp(exception, "no such table", 13) == 0) {
 509                                 d(g_warning ("Error during searching %s: %s\n", tmp, exception));
 510                                 camel_exception_clear (ex); /* Suppress no such table */
 511                         }
 512                 }
 513                 g_free (tmp);
 514
 515         }
 516
 517 fail:
 518         /* these might be allocated by match-threads */
 519         if (p->threads)
 520                 camel_folder_thread_messages_unref(p->threads);
 521         if (p->threads_hash)
 522                 g_hash_table_destroy(p->threads_hash);
 523         if (search->summary_set)
 524                 g_ptr_array_free(search->summary_set, TRUE);
 525         if (search->summary)
 526                 camel_folder_free_summary(search->folder, search->summary);
 527
 528         p->threads = NULL;
 529         p->threads_hash = NULL;
 530         search->folder = NULL;
 531         search->summary = NULL;
 532         search->summary_set = NULL;
 533         search->current = NULL;
 534         search->body_index = NULL;
 535
 536         return count;
 537 }
 538
 539 static gboolean
 540 do_search_in_memory (const gchar *expr)
 541 {
 542         /* if the expression contains any of these tokens, then perform a memory search, instead of the SQL one */
 543         const gchar *in_memory_tokens[] = { "body-contains", "body-regex", "match-threads", "message-location", "header-soundex", "header-regex", "header-full-regex", "header-contains", NULL };
 544         gint i;
 545
 546         if (!expr)
 547                 return FALSE;
 548
 549         for (i = 0; in_memory_tokens [i]; i++) {
 550                 if (strstr (expr, in_memory_tokens [i]))
 551                         return TRUE;
 552         }
 553
 554         return FALSE;
 555 }
 556
 557 /**
 558  * camel_folder_search_search:
 559  * @search:
 560  * @expr:
 561  * @uids: to search against, NULL for all uid's.
 562  * @ex:
 563  *
 564  * Run a search.  Search must have had Folder already set on it, and
 565  * it must implement summaries.
 566  *
 567  * Returns:
 568  **/
 569 GPtrArray *
 570 camel_folder_search_search(CamelFolderSearch *search, const gchar *expr, GPtrArray *uids, CamelException *ex)
 571 {
 572         ESExpResult *r;
 573         GPtrArray *matches = NULL, *summary_set;
 574         gint i;
 575         CamelDB *cdb;
 576         gchar *sql_query, *tmp, *tmp1;
 577         GHashTable *results;
 578
 579         struct _CamelFolderSearchPrivate *p = _PRIVATE(search);
 580
 581         g_assert(search->folder);
 582
 583         p->ex = ex;
 584
 585         /* We route body-contains / thread based search and uid search through memory and not via db. */
 586         if (uids || do_search_in_memory (expr)) {
 587                 /* setup our search list only contains those we're interested in */
 588                 search->summary = camel_folder_get_summary(search->folder);
 589
 590                 if (uids) {
 591                         GHashTable *uids_hash = g_hash_table_new(g_str_hash, g_str_equal);
 592
 593                         summary_set = search->summary_set = g_ptr_array_new();
 594                         for (i=0;i<uids->len;i++)
 595                                 g_hash_table_insert(uids_hash, uids->pdata[i], uids->pdata[i]);
 596                         for (i=0;i<search->summary->len;i++)
 597                                 if (g_hash_table_lookup(uids_hash, search->summary->pdata[i]))
 598                                         g_ptr_array_add(search->summary_set, search->summary->pdata[i]);
 599                         g_hash_table_destroy(uids_hash);
 600                 } else {
 601                         summary_set = search->summary;
 602                 }
 603
 604                 /* only re-parse if the search has changed */
 605                 if (search->last_search == NULL
 606                     || strcmp(search->last_search, expr)) {
 607                         e_sexp_input_text(search->sexp, expr, strlen(expr));
 608                         if (e_sexp_parse(search->sexp) == -1) {
 609                                 camel_exception_setv(ex, 1, _("Cannot parse search expression: %s:\n%s"), e_sexp_error(search->sexp), expr);
 610                                 goto fail;
 611                         }
 612
 613                         g_free(search->last_search);
 614                         search->last_search = g_strdup(expr);
 615                 }
 616                 r = e_sexp_eval(search->sexp);
 617                 if (r == NULL) {
 618                         if (!camel_exception_is_set(ex))
 619                                 camel_exception_setv(ex, 1, _("Error executing search expression: %s:\n%s"), e_sexp_error(search->sexp), expr);
 620                         goto fail;
 621                 }
 622
 623                 matches = g_ptr_array_new();
 624
 625                 /* now create a folder summary to return?? */
 626                 if (r->type == ESEXP_RES_ARRAY_PTR) {
 627                         d(printf("got result\n"));
 628
 629                         /* reorder result in summary order */
 630                         results = g_hash_table_new(g_str_hash, g_str_equal);
 631                         for (i=0;i<r->value.ptrarray->len;i++) {
 632                                 d(printf("adding match: %s\n", (gchar *)g_ptr_array_index(r->value.ptrarray, i)));
 633                                 g_hash_table_insert(results, g_ptr_array_index(r->value.ptrarray, i), GINT_TO_POINTER (1));
 634                         }
 635
 636                         for (i=0;i<summary_set->len;i++) {
 637                                 gchar *uid = g_ptr_array_index(summary_set, i);
 638                                 if (g_hash_table_lookup(results, uid))
 639                                         g_ptr_array_add(matches, (gpointer) camel_pstring_strdup(uid));
 640                         }
 641                         g_hash_table_destroy(results);
 642                 }
 643
 644                 e_sexp_result_free(search->sexp, r);
 645
 646         } else {
 647                 /* Sync the db, so that we search the db for changes */
 648                 camel_folder_summary_save_to_db (search->folder->summary, ex);
 649
 650                 dd(printf ("sexp is : [%s]\n", expr));
 651                 if (g_getenv("SQL_SEARCH_OLD"))
 652                         sql_query = camel_sexp_to_sql (expr);
 653                 else
 654                         sql_query = camel_sexp_to_sql_sexp (expr);
 655                 tmp1 = camel_db_sqlize_string(search->folder->full_name);
 656                 tmp = g_strdup_printf ("SELECT uid FROM %s %s %s", tmp1, sql_query ? "WHERE":"", sql_query?sql_query:"");
 657                 camel_db_free_sqlized_string (tmp1);
 658                 g_free (sql_query);
 659                 dd(printf("Equivalent sql %s\n", tmp));
 660
 661                 matches = g_ptr_array_new();
 662                 cdb = (CamelDB *) (search->folder->parent_store->cdb_r);
 663                 camel_db_select (cdb, tmp, (CamelDBSelectCB) read_uid_callback, matches, ex);
 664                 if (ex && camel_exception_is_set(ex)) {
 665                         const gchar *exception = camel_exception_get_description (ex);
 666                         if (strncmp(exception, "no such table", 13) == 0) {
 667                                 d(g_warning ("Error during searching %s: %s\n", tmp, exception));
 668                                 camel_exception_clear (ex); /* Suppress no such table */
 669                         }
 670                 }
 671                 g_free (tmp);
 672
 673         }
 674
 675 fail:
 676         /* these might be allocated by match-threads */
 677         if (p->threads)
 678                 camel_folder_thread_messages_unref(p->threads);
 679         if (p->threads_hash)
 680                 g_hash_table_destroy(p->threads_hash);
 681         if (search->summary_set)
 682                 g_ptr_array_free(search->summary_set, TRUE);
 683         if (search->summary)
 684                 camel_folder_free_summary(search->folder, search->summary);
 685
 686         p->threads = NULL;
 687         p->threads_hash = NULL;
 688         search->folder = NULL;
 689         search->summary = NULL;
 690         search->summary_set = NULL;
 691         search->current = NULL;
 692         search->body_index = NULL;
 693
 694         return matches;
 695 }
 696
 697 void camel_folder_search_free_result(CamelFolderSearch *search, GPtrArray *result)
 698 {
 699         g_ptr_array_foreach (result, (GFunc) camel_pstring_free, NULL);
 700         g_ptr_array_free(result, TRUE);
 701 }
 702
 703 /* dummy function, returns false always, or an empty match array */
 704 static ESExpResult *
 705 search_dummy(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
 706 {
 707         ESExpResult *r;
 708
 709         if (search->current == NULL) {
 710                 r = e_sexp_result_new(f, ESEXP_RES_BOOL);
 711                 r->value.boolean = FALSE;
 712         } else {
 713                 r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
 714                 r->value.ptrarray = g_ptr_array_new();
 715         }
 716
 717         return r;
 718 }
 719
 720 /* impelemnt an 'array not', i.e. everything in the summary, not in the supplied array */
 721 static ESExpResult *
 722 search_not(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
 723 {
 724         ESExpResult *r;
 725         gint i;
 726
 727         if (argc>0) {
 728                 if (argv[0]->type == ESEXP_RES_ARRAY_PTR) {
 729                         GPtrArray *v = argv[0]->value.ptrarray;
 730                         const gchar *uid;
 731
 732                         r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
 733                         r->value.ptrarray = g_ptr_array_new();
 734
 735                         /* not against a single message?*/
 736                         if (search->current) {
 737                                 gint found = FALSE;
 738
 739                                 uid = camel_message_info_uid(search->current);
 740                                 for (i=0;!found && i<v->len;i++) {
 741                                         if (strcmp(uid, v->pdata[i]) == 0)
 742                                                 found = TRUE;
 743                                 }
 744
 745                                 if (!found)
 746                                         g_ptr_array_add(r->value.ptrarray, (gchar *)uid);
 747                         } else if (search->summary == NULL) {
 748                                 g_warning("No summary set, 'not' against an array requires a summary");
 749                         } else {
 750                                 /* 'not' against the whole summary */
 751                                 GHashTable *have = g_hash_table_new(g_str_hash, g_str_equal);
 752                                 gchar **s;
 753                                 gchar **m;
 754
 755                                 s = (gchar **)v->pdata;
 756                                 for (i=0;i<v->len;i++)
 757                                         g_hash_table_insert(have, s[i], s[i]);
 758
 759                                 v = search->summary_set?search->summary_set:search->summary;
 760                                 m = (gchar **)v->pdata;
 761                                 for (i=0;i<v->len;i++) {
 762                                         gchar *uid = m[i];
 763
 764                                         if (g_hash_table_lookup(have, uid) == NULL)
 765                                                 g_ptr_array_add(r->value.ptrarray, uid);
 766                                 }
 767                                 g_hash_table_destroy(have);
 768                         }
 769                 } else {
 770                         gint res = TRUE;
 771
 772                         if (argv[0]->type == ESEXP_RES_BOOL)
 773                                 res = !argv[0]->value.boolean;
 774
 775                         r = e_sexp_result_new(f, ESEXP_RES_BOOL);
 776                         r->value.boolean = res;
 777                 }
 778         } else {
 779                 r = e_sexp_result_new(f, ESEXP_RES_BOOL);
 780                 r->value.boolean = TRUE;
 781         }
 782
 783         return r;
 784 }
 785
 786 static ESExpResult *
 787 search_match_all(struct _ESExp *f, gint argc, struct _ESExpTerm **argv, CamelFolderSearch *search)
 788 {
 789         gint i;
 790         ESExpResult *r, *r1;
 791         gchar *error_msg;
 792         GPtrArray *v;
 793
 794         if (argc>1) {
 795                 g_warning("match-all only takes a single argument, other arguments ignored");
 796         }
 797
 798         /* we are only matching a single message?  or already inside a match-all? */
 799         if (search->current) {
 800                 d(printf("matching against 1 message: %s\n", camel_message_info_subject(search->current)));
 801
 802                 r = e_sexp_result_new(f, ESEXP_RES_BOOL);
 803                 r->value.boolean = FALSE;
 804
 805                 if (argc>0) {
 806                         r1 = e_sexp_term_eval(f, argv[0]);
 807                         if (r1->type == ESEXP_RES_BOOL) {
 808                                 r->value.boolean = r1->value.boolean;
 809                         } else {
 810                                 g_warning("invalid syntax, matches require a single bool result");
 811                                 error_msg = g_strdup_printf(_("(%s) requires a single bool result"), "match-all");
 812                                 e_sexp_fatal_error(f, error_msg);
 813                                 g_free(error_msg);
 814                         }
 815                         e_sexp_result_free(f, r1);
 816                 } else {
 817                         r->value.boolean = TRUE;
 818                 }
 819                 return r;
 820         }
 821
 822         r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
 823         r->value.ptrarray = g_ptr_array_new();
 824
 825         if (search->summary == NULL) {
 826                 /* TODO: make it work - e.g. use the folder and so forth for a slower search */
 827                 g_warning("No summary supplied, match-all doesn't work with no summary");
 828                 g_assert(0);
 829                 return r;
 830         }
 831
 832         v = search->summary_set?search->summary_set:search->summary;
 833
 834         if (v->len > g_hash_table_size (search->folder->summary->loaded_infos) && !CAMEL_IS_VEE_FOLDER (search->folder)) {
 835                 camel_folder_summary_reload_from_db (search->folder->summary, search->priv->ex);
 836         }
 837
 838         for (i=0;i<v->len;i++) {
 839                 const gchar *uid;
 840
 841                 search->current = camel_folder_summary_uid (search->folder->summary, v->pdata[i]);
 842                 if (!search->current)
 843                         continue;
 844                 uid = camel_message_info_uid(search->current);
 845
 846                 if (argc>0) {
 847                         r1 = e_sexp_term_eval(f, argv[0]);
 848                         if (r1->type == ESEXP_RES_BOOL) {
 849                                 if (r1->value.boolean)
 850                                         g_ptr_array_add(r->value.ptrarray, (gchar *)uid);
 851                         } else {
 852                                 g_warning("invalid syntax, matches require a single bool result");
 853                                 error_msg = g_strdup_printf(_("(%s) requires a single bool result"), "match-all");
 854                                 e_sexp_fatal_error(f, error_msg);
 855                                 g_free(error_msg);
 856                         }
 857                         e_sexp_result_free(f, r1);
 858                 } else {
 859                         g_ptr_array_add(r->value.ptrarray, (gchar *)uid);
 860                 }
 861                 camel_message_info_free (search->current);
 862         }
 863         search->current = NULL;
 864         return r;
 865 }
 866
 867 static void
 868 fill_thread_table(struct _CamelFolderThreadNode *root, GHashTable *id_hash)
 869 {
 870         while (root) {
 871                 g_hash_table_insert(id_hash, (gchar *)camel_message_info_uid(root->message), root);
 872                 if (root->child)
 873                         fill_thread_table(root->child, id_hash);
 874                 root = root->next;
 875         }
 876 }
 877
 878 static void
 879 add_thread_results(struct _CamelFolderThreadNode *root, GHashTable *result_hash)
 880 {
 881         while (root) {
 882                 g_hash_table_insert(result_hash, (gchar *)camel_message_info_uid(root->message), GINT_TO_POINTER (1));
 883                 if (root->child)
 884                         add_thread_results(root->child, result_hash);
 885                 root = root->next;
 886         }
 887 }
 888
 889 static void
 890 add_results(gchar *uid, gpointer dummy, GPtrArray *result)
 891 {
 892         g_ptr_array_add(result, uid);
 893 }
 894
 895 static ESExpResult *
 896 search_match_threads(struct _ESExp *f, gint argc, struct _ESExpTerm **argv, CamelFolderSearch *search)
 897 {
 898         ESExpResult *r;
 899         struct _CamelFolderSearchPrivate *p = search->priv;
 900         gint i, type;
 901         GHashTable *results;
 902         gchar *error_msg;
 903
 904         /* not supported in match-all */
 905         if (search->current) {
 906                 error_msg = g_strdup_printf(_("(%s) not allowed inside %s"), "match-threads", "match-all");
 907                 e_sexp_fatal_error(f, error_msg);
 908                 g_free(error_msg);
 909         }
 910
 911         if (argc == 0) {
 912                 error_msg = g_strdup_printf(_("(%s) requires a match type string"), "match-threads");
 913                 e_sexp_fatal_error(f, error_msg);
 914                 g_free(error_msg);
 915         }
 916
 917         r = e_sexp_term_eval(f, argv[0]);
 918         if (r->type != ESEXP_RES_STRING) {
 919                 error_msg = g_strdup_printf(_("(%s) requires a match type string"), "match-threads");
 920                 e_sexp_fatal_error(f, error_msg);
 921                 g_free(error_msg);
 922         }
 923
 924         type = 0;
 925         if (!strcmp(r->value.string, "none"))
 926                 type = 0;
 927         else if (!strcmp(r->value.string, "all"))
 928                 type = 1;
 929         else if (!strcmp(r->value.string, "replies"))
 930                 type = 2;
 931         else if (!strcmp(r->value.string, "replies_parents"))
 932                 type = 3;
 933         else if (!strcmp(r->value.string, "single"))
 934                 type = 4;
 935         e_sexp_result_free(f, r);
 936
 937         /* behave as (begin does */
 938         r = NULL;
 939         for (i=1;i<argc;i++) {
 940                 if (r)
 941                         e_sexp_result_free(f, r);
 942                 r = e_sexp_term_eval(f, argv[i]);
 943         }
 944
 945         if (r == NULL || r->type != ESEXP_RES_ARRAY_PTR) {
 946                 error_msg = g_strdup_printf(_("(%s) expects an array result"), "match-threads");
 947                 e_sexp_fatal_error(f, error_msg);
 948                 g_free(error_msg);
 949         }
 950
 951         if (type == 0)
 952                 return r;
 953
 954         if (search->folder == NULL) {
 955                 error_msg = g_strdup_printf(_("(%s) requires the folder set"), "match-threads");
 956                 e_sexp_fatal_error(f, error_msg);
 957                 g_free(error_msg);
 958         }
 959
 960         /* cache this, so we only have to re-calculate once per search at most */
 961         if (p->threads == NULL) {
 962                 p->threads = camel_folder_thread_messages_new(search->folder, NULL, TRUE);
 963                 p->threads_hash = g_hash_table_new(g_str_hash, g_str_equal);
 964
 965                 fill_thread_table(p->threads->tree, p->threads_hash);
 966         }
 967
 968         results = g_hash_table_new(g_str_hash, g_str_equal);
 969         for (i=0;i<r->value.ptrarray->len;i++) {
 970                 struct _CamelFolderThreadNode *node, *scan;
 971
 972                 if (type != 4)
 973                         g_hash_table_insert(results, g_ptr_array_index(r->value.ptrarray, i), GINT_TO_POINTER(1));
 974
 975                 node = g_hash_table_lookup(p->threads_hash, (gchar *)g_ptr_array_index(r->value.ptrarray, i));
 976                 if (node == NULL) /* this shouldn't happen but why cry over spilt milk */
 977                         continue;
 978
 979                 /* select messages in thread according to search criteria */
 980                 if (type == 4) {
 981                         if (node->child == NULL && node->parent == NULL)
 982                                 g_hash_table_insert(results, (gchar *)camel_message_info_uid(node->message), GINT_TO_POINTER(1));
 983                 } else {
 984                         if (type == 3) {
 985                                 scan = node;
 986                                 while (scan && scan->parent) {
 987                                         scan = scan->parent;
 988                                         g_hash_table_insert(results, (gchar *)camel_message_info_uid(scan->message), GINT_TO_POINTER(1));
 989                                 }
 990                         } else if (type == 1) {
 991                                 while (node && node->parent)
 992                                         node = node->parent;
 993                         }
 994                         g_hash_table_insert(results, (gchar *)camel_message_info_uid(node->message), GINT_TO_POINTER(1));
 995                         if (node->child)
 996                                 add_thread_results(node->child, results);
 997                 }
 998         }
 999         e_sexp_result_free(f, r);
1000
1001         r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
1002         r->value.ptrarray = g_ptr_array_new();
1003
1004         g_hash_table_foreach(results, (GHFunc)add_results, r->value.ptrarray);
1005         g_hash_table_destroy(results);
1006
1007         return r;
1008 }
1009
1010 static CamelMimeMessage *
1011 get_current_message (CamelFolderSearch *search)
1012 {
1013         CamelException x = CAMEL_EXCEPTION_INITIALISER;
1014         CamelMimeMessage *res;
1015
1016         if (!search || !search->folder || !search->current)
1017                 return NULL;
1018
1019         res = camel_folder_get_message (search->folder, search->current->uid, &x);
1020
1021         if (!res)
1022                 camel_exception_clear (&x);
1023
1024         return res;
1025 }
1026
1027 static ESExpResult *
1028 check_header (struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search, camel_search_match_t how)
1029 {
1030         ESExpResult *r;
1031         gint truth = FALSE;
1032
1033         r(printf("executing check-header %d\n", how));
1034
1035         /* are we inside a match-all? */
1036         if (search->current && argc>1
1037             && argv[0]->type == ESEXP_RES_STRING) {
1038                 gchar *headername;
1039                 const gchar *header = NULL, *charset = NULL;
1040                 gchar strbuf[32];
1041                 gint i, j;
1042                 camel_search_t type = CAMEL_SEARCH_TYPE_ASIS;
1043                 struct _camel_search_words *words;
1044                 CamelMimeMessage *message = NULL;
1045                 struct _camel_header_raw *raw_header;
1046
1047                 /* only a subset of headers are supported .. */
1048                 headername = argv[0]->value.string;
1049                 if (!g_ascii_strcasecmp(headername, "subject")) {
1050                         header = camel_message_info_subject(search->current);
1051                 } else if (!g_ascii_strcasecmp(headername, "date")) {
1052                         /* FIXME: not a very useful form of the date */
1053                         sprintf(strbuf, "%d", (gint)camel_message_info_date_sent(search->current));
1054                         header = strbuf;
1055                 } else if (!g_ascii_strcasecmp(headername, "from")) {
1056                         header = camel_message_info_from(search->current);
1057                         type = CAMEL_SEARCH_TYPE_ADDRESS;
1058                 } else if (!g_ascii_strcasecmp(headername, "to")) {
1059                         header = camel_message_info_to(search->current);
1060                         type = CAMEL_SEARCH_TYPE_ADDRESS;
1061                 } else if (!g_ascii_strcasecmp(headername, "cc")) {
1062                         header = camel_message_info_cc(search->current);
1063                         type = CAMEL_SEARCH_TYPE_ADDRESS;
1064                 } else if (!g_ascii_strcasecmp(headername, "x-camel-mlist")) {
1065                         header = camel_message_info_mlist(search->current);
1066                         type = CAMEL_SEARCH_TYPE_MLIST;
1067                 } else {
1068                         message = get_current_message (search);
1069                         if (message) {
1070                                 CamelContentType *ct = camel_mime_part_get_content_type (CAMEL_MIME_PART (message));
1071
1072                                 if (ct) {
1073                                         charset = camel_content_type_param (ct, "charset");
1074                                         charset = camel_iconv_charset_name (charset);
1075                                 }
1076                         }
1077                 }
1078
1079                 if (header == NULL)
1080                         header = "";
1081
1082                 /* performs an OR of all words */
1083                 for (i=1;i<argc && !truth;i++) {
1084                         if (argv[i]->type == ESEXP_RES_STRING) {
1085                                 if (argv[i]->value.string[0] == 0) {
1086                                         truth = TRUE;
1087                                 } else if (how == CAMEL_SEARCH_MATCH_CONTAINS) {
1088                                         /* doesn't make sense to split words on anything but contains i.e. we can't have an ending match different words */
1089                                         words = camel_search_words_split((const guchar *) argv[i]->value.string);
1090                                         truth = TRUE;
1091                                         for (j=0;j<words->len && truth;j++) {
1092                                                 if (message) {
1093                                                         for (raw_header = ((CamelMimePart *)message)->headers; raw_header; raw_header = raw_header->next) {
1094                                                                 if (!g_ascii_strcasecmp (raw_header->name, headername)) {
1095                                                                         if (camel_search_header_match (raw_header->value, words->words[j]->word, how, type, charset))
1096                                                                                 break;;
1097                                                                 }
1098                                                         }
1099
1100                                                         truth = raw_header != NULL;
1101                                                 } else
1102                                                         truth = camel_search_header_match(header, words->words[j]->word, how, type, charset);
1103                                         }
1104                                         camel_search_words_free(words);
1105                                 } else {
1106                                         if (message) {
1107                                                 for (raw_header = ((CamelMimePart *)message)->headers; raw_header && !truth; raw_header = raw_header->next) {
1108                                                         if (!g_ascii_strcasecmp (raw_header->name, headername)) {
1109                                                                 truth = camel_search_header_match(raw_header->value, argv[i]->value.string, how, type, charset);
1110                                                         }
1111                                                 }
1112                                         } else
1113                                                 truth = camel_search_header_match(header, argv[i]->value.string, how, type, charset);
1114                                 }
1115                         }
1116                 }
1117
1118                 if (message)
1119                         camel_object_unref (message);
1120         }
1121         /* TODO: else, find all matches */
1122
1123         r = e_sexp_result_new(f, ESEXP_RES_BOOL);
1124         r->value.boolean = truth;
1125
1126         return r;
1127 }
1128
1129 /*
1130 static void
1131 l_printf(gchar *node)
1132 {
1133 printf("%s\t", node);
1134 }
1135 */
1136
1137 static ESExpResult *
1138 search_header_contains(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1139 {
1140         return check_header(f, argc, argv, search, CAMEL_SEARCH_MATCH_CONTAINS);
1141 }
1142
1143 static ESExpResult *
1144 search_header_matches(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1145 {
1146         return check_header(f, argc, argv, search, CAMEL_SEARCH_MATCH_EXACT);
1147 }
1148
1149 static ESExpResult *
1150 search_header_starts_with (struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1151 {
1152         return check_header(f, argc, argv, search, CAMEL_SEARCH_MATCH_STARTS);
1153 }
1154
1155 static ESExpResult *
1156 search_header_ends_with (struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1157 {
1158         return check_header(f, argc, argv, search, CAMEL_SEARCH_MATCH_ENDS);
1159 }
1160
1161 static ESExpResult *
1162 search_header_exists (struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1163 {
1164         ESExpResult *r;
1165
1166         r(printf ("executing header-exists\n"));
1167
1168         if (search->current) {
1169                 r = e_sexp_result_new(f, ESEXP_RES_BOOL);
1170                 if (argc == 1 && argv[0]->type == ESEXP_RES_STRING)
1171                         r->value.boolean = camel_medium_get_header(CAMEL_MEDIUM(search->current), argv[0]->value.string) != NULL;
1172
1173         } else {
1174                 r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
1175                 r->value.ptrarray = g_ptr_array_new();
1176         }
1177
1178         return r;
1179 }
1180
1181 static ESExpResult *
1182 search_header_soundex (struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1183 {
1184         return check_header (f, argc, argv, search, CAMEL_SEARCH_MATCH_SOUNDEX);
1185 }
1186
1187 static ESExpResult *
1188 search_header_regex (struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1189 {
1190         ESExpResult *r;
1191         CamelMimeMessage *msg;
1192
1193         msg = get_current_message (search);
1194
1195         if (msg) {
1196                 regex_t pattern;
1197                 const gchar *contents;
1198
1199                 r = e_sexp_result_new (f, ESEXP_RES_BOOL);
1200
1201                 if (argc > 1 && argv[0]->type == ESEXP_RES_STRING
1202                     && (contents = camel_medium_get_header (CAMEL_MEDIUM (msg), argv[0]->value.string))
1203                     && camel_search_build_match_regex (&pattern, CAMEL_SEARCH_MATCH_REGEX|CAMEL_SEARCH_MATCH_ICASE, argc-1, argv+1, search->priv->ex) == 0) {
1204                         r->value.boolean = regexec (&pattern, contents, 0, NULL, 0) == 0;
1205                         regfree (&pattern);
1206                 } else
1207                         r->value.boolean = FALSE;
1208
1209                 camel_object_unref (msg);
1210         } else {
1211                 r = e_sexp_result_new (f, ESEXP_RES_ARRAY_PTR);
1212                 r->value.ptrarray = g_ptr_array_new();
1213         }
1214
1215         return r;
1216 }
1217
1218 static gchar *
1219 get_full_header (CamelMimeMessage *message)
1220 {
1221         CamelMimePart *mp = CAMEL_MIME_PART (message);
1222         GString *str = g_string_new ("");
1223         struct _camel_header_raw *h;
1224
1225         for (h = mp->headers; h; h = h->next) {
1226                 if (h->value != NULL) {
1227                         g_string_append (str, h->name);
1228                         if (isspace (h->value[0]))
1229                                 g_string_append (str, ":");
1230                         else
1231                                 g_string_append (str, ": ");
1232                         g_string_append (str, h->value);
1233                         g_string_append_c (str, '\n');
1234                 }
1235         }
1236
1237         return g_string_free (str, FALSE);
1238 }
1239
1240 static ESExpResult *
1241 search_header_full_regex (struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1242 {
1243         ESExpResult *r;
1244         CamelMimeMessage *msg;
1245
1246         msg = get_current_message (search);
1247
1248         if (msg) {
1249                 regex_t pattern;
1250
1251                 r = e_sexp_result_new (f, ESEXP_RES_BOOL);
1252
1253                 if (camel_search_build_match_regex (&pattern, CAMEL_SEARCH_MATCH_REGEX|CAMEL_SEARCH_MATCH_ICASE|CAMEL_SEARCH_MATCH_NEWLINE, argc, argv, search->priv->ex) == 0) {
1254                         gchar *contents;
1255
1256                         contents = get_full_header (msg);
1257                         r->value.boolean = regexec (&pattern, contents, 0, NULL, 0) == 0;
1258
1259                         g_free (contents);
1260                         regfree (&pattern);
1261                 } else
1262                         r->value.boolean = FALSE;
1263
1264                 camel_object_unref (msg);
1265         } else {
1266                 r = e_sexp_result_new (f, ESEXP_RES_ARRAY_PTR);
1267                 r->value.ptrarray = g_ptr_array_new();
1268         }
1269
1270         return r;
1271 }
1272
1273 /* this is just to OR results together */
1274 struct IterData {
1275         gint count;
1276         GPtrArray *uids;
1277 };
1278
1279 /* or, store all unique values */
1280 static void
1281 htor(gchar *key, gint value, struct IterData *iter_data)
1282 {
1283         g_ptr_array_add(iter_data->uids, key);
1284 }
1285
1286 /* and, only store duplicates */
1287 static void
1288 htand(gchar *key, gint value, struct IterData *iter_data)
1289 {
1290         if (value == iter_data->count)
1291                 g_ptr_array_add(iter_data->uids, key);
1292 }
1293
1294 static gint
1295 match_message_index(CamelIndex *idx, const gchar *uid, const gchar *match, CamelException *ex)
1296 {
1297         CamelIndexCursor *wc, *nc;
1298         const gchar *word, *name;
1299         gint truth = FALSE;
1300
1301         wc = camel_index_words(idx);
1302         if (wc) {
1303                 while (!truth && (word = camel_index_cursor_next(wc))) {
1304                         if (camel_ustrstrcase(word,match) != NULL) {
1305                                 /* perf: could have the wc cursor return the name cursor */
1306                                 nc = camel_index_find(idx, word);
1307                                 if (nc) {
1308                                         while (!truth && (name = camel_index_cursor_next(nc)))
1309                                                 truth = strcmp(name, uid) == 0;
1310                                         camel_object_unref((CamelObject *)nc);
1311                                 }
1312                         }
1313                 }
1314                 camel_object_unref((CamelObject *)wc);
1315         }
1316
1317         return truth;
1318 }
1319
1320 /*
1321  "one two" "three" "four five"
1322
1323   one and two
1324 or
1325   three
1326 or
1327   four and five
1328 */
1329
1330 /* returns messages which contain all words listed in words */
1331 static GPtrArray *
1332 match_words_index(CamelFolderSearch *search, struct _camel_search_words *words, CamelException *ex)
1333 {
1334         GPtrArray *result = g_ptr_array_new();
1335         GHashTable *ht = g_hash_table_new(g_str_hash, g_str_equal);
1336         struct IterData lambdafoo;
1337         CamelIndexCursor *wc, *nc;
1338         const gchar *word, *name;
1339         gint i;
1340
1341         /* we can have a maximum of 32 words, as we use it as the AND mask */
1342
1343         wc = camel_index_words(search->body_index);
1344         if (wc) {
1345                 while ((word = camel_index_cursor_next(wc))) {
1346                         for (i=0;i<words->len;i++) {
1347                                 if (camel_ustrstrcase(word, words->words[i]->word) != NULL) {
1348                                         /* perf: could have the wc cursor return the name cursor */
1349                                         nc = camel_index_find(search->body_index, word);
1350                                         if (nc) {
1351                                                 while ((name = camel_index_cursor_next(nc))) {
1352                                                                 gint mask;
1353
1354                                                                 mask = (GPOINTER_TO_INT(g_hash_table_lookup(ht, name))) | (1<<i);
1355                                                                 g_hash_table_insert(ht, (gchar *) camel_pstring_peek(name), GINT_TO_POINTER(mask));
1356                                                 }
1357                                                 camel_object_unref((CamelObject *)nc);
1358                                         }
1359                                 }
1360                         }
1361                 }
1362                 camel_object_unref((CamelObject *)wc);
1363
1364                 lambdafoo.uids = result;
1365                 lambdafoo.count = (1<<words->len) - 1;
1366                 g_hash_table_foreach(ht, (GHFunc)htand, &lambdafoo);
1367                 g_hash_table_destroy(ht);
1368         }
1369
1370         return result;
1371 }
1372
1373 static gboolean
1374 match_words_1message (CamelDataWrapper *object, struct _camel_search_words *words, guint32 *mask)
1375 {
1376         CamelDataWrapper *containee;
1377         gint truth = FALSE;
1378         gint parts, i;
1379
1380         containee = camel_medium_get_content (CAMEL_MEDIUM (object));
1381
1382         if (containee == NULL)
1383                 return FALSE;
1384
1385         /* using the object types is more accurate than using the mime/types */
1386         if (CAMEL_IS_MULTIPART (containee)) {
1387                 parts = camel_multipart_get_number (CAMEL_MULTIPART (containee));
1388                 for (i = 0; i < parts && truth == FALSE; i++) {
1389                         CamelDataWrapper *part = (CamelDataWrapper *)camel_multipart_get_part (CAMEL_MULTIPART (containee), i);
1390                         if (part)
1391                                 truth = match_words_1message(part, words, mask);
1392                 }
1393         } else if (CAMEL_IS_MIME_MESSAGE (containee)) {
1394                 /* for messages we only look at its contents */
1395                 truth = match_words_1message((CamelDataWrapper *)containee, words, mask);
1396         } else if (camel_content_type_is(CAMEL_DATA_WRAPPER (containee)->mime_type, "text", "*")) {
1397                 /* for all other text parts, we look inside, otherwise we dont care */
1398                 CamelStream *stream;
1399                 GByteArray *byte_array;
1400
1401                 byte_array = g_byte_array_new ();
1402                 stream = camel_stream_mem_new_with_byte_array (byte_array);
1403
1404                 /* FIXME: The match should be part of a stream op */
1405                 camel_data_wrapper_decode_to_stream (containee, stream);
1406                 camel_stream_write (stream, "", 1);
1407                 for (i=0;i<words->len;i++) {
1408                         /* FIXME: This is horridly slow, and should use a real search algorithm */
1409                         if (camel_ustrstrcase((const gchar *) byte_array->data, words->words[i]->word) != NULL) {
1410                                 *mask |= (1<<i);
1411                                 /* shortcut a match */
1412                                 if (*mask == (1<<(words->len))-1)
1413                                         return TRUE;
1414                         }
1415                 }
1416
1417                 camel_object_unref (stream);
1418         }
1419
1420         return truth;
1421 }
1422
1423 static gboolean
1424 match_words_message(CamelFolder *folder, const gchar *uid, struct _camel_search_words *words, CamelException *ex)
1425 {
1426         guint32 mask;
1427         CamelMimeMessage *msg;
1428         CamelException x = CAMEL_EXCEPTION_INITIALISER;
1429         gint truth;
1430
1431         msg = camel_folder_get_message(folder, uid, &x);
1432         if (msg) {
1433                 mask = 0;
1434                 truth = match_words_1message((CamelDataWrapper *)msg, words, &mask);
1435                 camel_object_unref((CamelObject *)msg);
1436         } else {
1437                 camel_exception_clear(&x);
1438                 truth = FALSE;
1439         }
1440
1441         return truth;
1442 }
1443
1444 static GPtrArray *
1445 match_words_messages(CamelFolderSearch *search, struct _camel_search_words *words, CamelException *ex)
1446 {
1447         gint i;
1448         GPtrArray *matches = g_ptr_array_new();
1449
1450         if (search->body_index) {
1451                 GPtrArray *indexed;
1452                 struct _camel_search_words *simple;
1453
1454                 simple = camel_search_words_simple(words);
1455                 indexed = match_words_index(search, simple, ex);
1456                 camel_search_words_free(simple);
1457
1458                 for (i=0;i<indexed->len;i++) {
1459                         const gchar *uid = g_ptr_array_index(indexed, i);
1460
1461                         if (match_words_message(search->folder, uid, words, ex))
1462                                 g_ptr_array_add(matches, (gchar *)uid);
1463                 }
1464
1465                 g_ptr_array_free(indexed, TRUE);
1466         } else {
1467                 GPtrArray *v = search->summary_set?search->summary_set:search->summary;
1468
1469                 for (i=0;i<v->len;i++) {
1470                         gchar *uid  = g_ptr_array_index(v, i);
1471
1472                         if (match_words_message(search->folder, uid, words, ex))
1473                                 g_ptr_array_add(matches, (gchar *)uid);
1474                 }
1475         }
1476
1477         return matches;
1478 }
1479
1480 static ESExpResult *
1481 search_body_contains(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1482 {
1483         gint i, j;
1484         CamelException *ex = search->priv->ex;
1485         struct _camel_search_words *words;
1486         ESExpResult *r;
1487         struct IterData lambdafoo;
1488
1489         if (search->current) {
1490                 gint truth = FALSE;
1491
1492                 if (argc == 1 && argv[0]->value.string[0] == 0) {
1493                         truth = TRUE;
1494                 } else {
1495                         for (i=0;i<argc && !truth;i++) {
1496                                 if (argv[i]->type == ESEXP_RES_STRING) {
1497                                         words = camel_search_words_split((const guchar *) argv[i]->value.string);
1498                                         truth = TRUE;
1499                                         if ((words->type & CAMEL_SEARCH_WORD_COMPLEX) == 0 && search->body_index) {
1500                                                 for (j=0;j<words->len && truth;j++)
1501                                                         truth = match_message_index(search->body_index, camel_message_info_uid(search->current), words->words[j]->word, ex);
1502                                         } else {
1503                                                 /* TODO: cache current message incase of multiple body search terms */
1504                                                 truth = match_words_message(search->folder, camel_message_info_uid(search->current), words, ex);
1505                                         }
1506                                         camel_search_words_free(words);
1507                                 }
1508                         }
1509                 }
1510                 r = e_sexp_result_new(f, ESEXP_RES_BOOL);
1511                 r->value.boolean = truth;
1512         } else {
1513                 r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
1514                 r->value.ptrarray = g_ptr_array_new();
1515
1516                 if (argc == 1 && argv[0]->value.string[0] == 0) {
1517                         GPtrArray *v = search->summary_set?search->summary_set:search->summary;
1518
1519                         for (i=0;i<v->len;i++) {
1520                                 gchar *uid = g_ptr_array_index(v, i);
1521
1522                                 g_ptr_array_add(r->value.ptrarray, uid);
1523                         }
1524                 } else {
1525                         GHashTable *ht = g_hash_table_new(g_str_hash, g_str_equal);
1526                         GPtrArray *matches;
1527
1528                         for (i=0;i<argc;i++) {
1529                                 if (argv[i]->type == ESEXP_RES_STRING) {
1530                                         words = camel_search_words_split((const guchar *) argv[i]->value.string);
1531                                         if ((words->type & CAMEL_SEARCH_WORD_COMPLEX) == 0 && search->body_index) {
1532                                                 matches = match_words_index(search, words, ex);
1533                                         } else {
1534                                                 matches = match_words_messages(search, words, ex);
1535                                         }
1536                                         for (j=0;j<matches->len;j++) {
1537                                                 g_hash_table_insert(ht, matches->pdata[j], matches->pdata[j]);
1538                                         }
1539                                         g_ptr_array_free(matches, TRUE);
1540                                         camel_search_words_free(words);
1541                                 }
1542                         }
1543                         lambdafoo.uids = r->value.ptrarray;
1544                         g_hash_table_foreach(ht, (GHFunc)htor, &lambdafoo);
1545                         g_hash_table_destroy(ht);
1546                 }
1547         }
1548
1549         return r;
1550 }
1551
1552 static ESExpResult *
1553 search_body_regex (struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1554 {
1555         ESExpResult *r;
1556         CamelMimeMessage *msg = get_current_message (search);
1557
1558         if (msg) {
1559                 regex_t pattern;
1560
1561                 r = e_sexp_result_new (f, ESEXP_RES_BOOL);
1562
1563                 if (camel_search_build_match_regex (&pattern, CAMEL_SEARCH_MATCH_ICASE|CAMEL_SEARCH_MATCH_REGEX|CAMEL_SEARCH_MATCH_NEWLINE, argc, argv, search->priv->ex) == 0) {
1564                         r->value.boolean = camel_search_message_body_contains ((CamelDataWrapper *) msg, &pattern);
1565                         regfree (&pattern);
1566                 } else
1567                         r->value.boolean = FALSE;
1568
1569                 camel_object_unref (msg);
1570         } else {
1571                 regex_t pattern;
1572
1573                 r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
1574                 r->value.ptrarray = g_ptr_array_new ();
1575
1576                 if (camel_search_build_match_regex (&pattern, CAMEL_SEARCH_MATCH_ICASE|CAMEL_SEARCH_MATCH_REGEX|CAMEL_SEARCH_MATCH_NEWLINE, argc, argv, search->priv->ex) == 0) {
1577                         gint i;
1578                         GPtrArray *v = search->summary_set?search->summary_set:search->summary;
1579                         CamelException x = CAMEL_EXCEPTION_INITIALISER;
1580                         CamelMimeMessage *message;
1581
1582                         for (i = 0; i < v->len; i++) {
1583                                 gchar *uid = g_ptr_array_index(v, i);
1584
1585                                 message = camel_folder_get_message (search->folder, uid, &x);
1586                                 if (message) {
1587                                         if (camel_search_message_body_contains ((CamelDataWrapper *) message, &pattern)) {
1588                                                 g_ptr_array_add (r->value.ptrarray, uid);
1589                                         }
1590
1591                                         camel_object_unref ((CamelObject *)message);
1592                                 } else {
1593                                         camel_exception_clear (&x);
1594                                 }
1595                         }
1596
1597                         regfree (&pattern);
1598                 }
1599         }
1600
1601         return r;
1602 }
1603
1604 static ESExpResult *
1605 search_user_flag(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1606 {
1607         ESExpResult *r;
1608         gint i;
1609
1610         r(printf("executing user-flag\n"));
1611
1612         /* are we inside a match-all? */
1613         if (search->current) {
1614                 gint truth = FALSE;
1615                 /* performs an OR of all words */
1616                 for (i=0;i<argc && !truth;i++) {
1617                         if (argv[i]->type == ESEXP_RES_STRING
1618                             && camel_message_info_user_flag(search->current, argv[i]->value.string)) {
1619                                 truth = TRUE;
1620                                 break;
1621                         }
1622                 }
1623                 r = e_sexp_result_new(f, ESEXP_RES_BOOL);
1624                 r->value.boolean = truth;
1625         } else {
1626                 r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
1627                 r->value.ptrarray = g_ptr_array_new();
1628         }
1629
1630         return r;
1631 }
1632
1633 static ESExpResult *
1634 search_system_flag (struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1635 {
1636         ESExpResult *r;
1637
1638         r(printf ("executing system-flag\n"));
1639
1640         if (search->current) {
1641                 gboolean truth = FALSE;
1642
1643                 if (argc == 1)
1644                         truth = camel_system_flag_get (camel_message_info_flags(search->current), argv[0]->value.string);
1645
1646                 r = e_sexp_result_new(f, ESEXP_RES_BOOL);
1647                 r->value.boolean = truth;
1648         } else {
1649                 r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
1650                 r->value.ptrarray = g_ptr_array_new ();
1651         }
1652
1653         return r;
1654 }
1655
1656 static ESExpResult *
1657 search_user_tag(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1658 {
1659         const gchar *value = NULL;
1660         ESExpResult *r;
1661
1662         r(printf("executing user-tag\n"));
1663
1664         if (search->current && argc == 1)
1665                 value = camel_message_info_user_tag(search->current, argv[0]->value.string);
1666
1667         r = e_sexp_result_new(f, ESEXP_RES_STRING);
1668         r->value.string = g_strdup (value ? value : "");
1669
1670         return r;
1671 }
1672
1673 static ESExpResult *
1674 search_get_sent_date(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *s)
1675 {
1676         ESExpResult *r;
1677
1678         r(printf("executing get-sent-date\n"));
1679
1680         /* are we inside a match-all? */
1681         if (s->current) {
1682                 r = e_sexp_result_new(f, ESEXP_RES_INT);
1683
1684                 r->value.number = camel_message_info_date_sent(s->current);
1685         } else {
1686                 r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
1687                 r->value.ptrarray = g_ptr_array_new ();
1688         }
1689
1690         return r;
1691 }
1692
1693 static ESExpResult *
1694 search_get_received_date(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *s)
1695 {
1696         ESExpResult *r;
1697
1698         r(printf("executing get-received-date\n"));
1699
1700         /* are we inside a match-all? */
1701         if (s->current) {
1702                 r = e_sexp_result_new(f, ESEXP_RES_INT);
1703
1704                 r->value.number = camel_message_info_date_received(s->current);
1705         } else {
1706                 r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
1707                 r->value.ptrarray = g_ptr_array_new ();
1708         }
1709
1710         return r;
1711 }
1712
1713 static ESExpResult *
1714 search_get_current_date(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *s)
1715 {
1716         ESExpResult *r;
1717
1718         r(printf("executing get-current-date\n"));
1719
1720         r = e_sexp_result_new(f, ESEXP_RES_INT);
1721         r->value.number = time (NULL);
1722         return r;
1723 }
1724
1725 static ESExpResult *
1726 search_get_size (struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *s)
1727 {
1728         ESExpResult *r;
1729
1730         r(printf("executing get-size\n"));
1731
1732         /* are we inside a match-all? */
1733         if (s->current) {
1734                 r = e_sexp_result_new (f, ESEXP_RES_INT);
1735                 r->value.number = camel_message_info_size(s->current) / 1024;
1736         } else {
1737                 r = e_sexp_result_new (f, ESEXP_RES_ARRAY_PTR);
1738                 r->value.ptrarray = g_ptr_array_new ();
1739         }
1740
1741         return r;
1742 }
1743
1744 static ESExpResult *
1745 search_uid(struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1746 {
1747         ESExpResult *r;
1748         gint i;
1749
1750         r(printf("executing uid\n"));
1751
1752         /* are we inside a match-all? */
1753         if (search->current) {
1754                 gint truth = FALSE;
1755                 const gchar *uid = camel_message_info_uid(search->current);
1756
1757                 /* performs an OR of all words */
1758                 for (i=0;i<argc && !truth;i++) {
1759                         if (argv[i]->type == ESEXP_RES_STRING
1760                             && !strcmp(uid, argv[i]->value.string)) {
1761                                 truth = TRUE;
1762                                 break;
1763                         }
1764                 }
1765                 r = e_sexp_result_new(f, ESEXP_RES_BOOL);
1766                 r->value.boolean = truth;
1767         } else {
1768                 r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
1769                 r->value.ptrarray = g_ptr_array_new();
1770                 for (i=0;i<argc;i++) {
1771                         if (argv[i]->type == ESEXP_RES_STRING)
1772                                 g_ptr_array_add(r->value.ptrarray, argv[i]->value.string);
1773                 }
1774         }
1775
1776         return r;
1777 }
1778
1779 static gint
1780 read_uid_callback (gpointer  ref, gint ncol, gchar ** cols, gchar **name)
1781 {
1782         GPtrArray *matches;
1783
1784         matches = (GPtrArray *) ref;
1785
1786         g_ptr_array_add (matches, (gpointer) camel_pstring_strdup (cols [0]));
1787         return 0;
1788 }
1789
1790 static ESExpResult *
1791 search_message_location (struct _ESExp *f, gint argc, struct _ESExpResult **argv, CamelFolderSearch *search)
1792 {
1793         ESExpResult *r;
1794         gboolean same = FALSE;
1795
1796         if (argc == 1 && argv[0]->type == ESEXP_RES_STRING) {
1797                 if (argv[0]->value.string && search->folder && search->folder->parent_store && camel_folder_get_full_name (search->folder)) {
1798                         CamelFolderInfo *fi = camel_store_get_folder_info (search->folder->parent_store, camel_folder_get_full_name (search->folder), 0, NULL);
1799                         if (fi) {
1800                                 same = g_str_equal (fi->uri ? fi->uri : "", argv[0]->value.string);
1801
1802                                 camel_store_free_folder_info (search->folder->parent_store, fi);
1803                         }
1804                 }
1805         }
1806
1807         if (search->current) {
1808                 r = e_sexp_result_new (f, ESEXP_RES_BOOL);
1809                 r->value.boolean = same ? TRUE : FALSE;
1810         } else {
1811                 r = e_sexp_result_new (f, ESEXP_RES_ARRAY_PTR);
1812                 r->value.ptrarray = g_ptr_array_new ();
1813
1814                 if (same) {
1815                         /* all matches */
1816                         gint i;
1817                         GPtrArray *v = search->summary_set ? search->summary_set : search->summary;
1818
1819                         for (i = 0; i < v->len; i++) {
1820                                 gchar *uid = g_ptr_array_index (v, i);
1821
1822                                 g_ptr_array_add (r->value.ptrarray, uid);
1823                         }
1824                 }
1825         }
1826
1827         return r;
1828 }