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-rw-r--r--camel/camel-folder-search.c1110
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diff --git a/camel/camel-folder-search.c b/camel/camel-folder-search.c
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--- a/camel/camel-folder-search.c
+++ /dev/null
@@ -1,1110 +0,0 @@
-/*
- * Copyright (C) 2000 Helix Code Inc.
- *
- * Authors: Michael Zucchi <notzed@helixcode.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
- */
-
-/* This is a helper class for folders to implement the search function.
- It implements enough to do basic searches on folders that can provide
- an in-memory summary and a body index. */
-
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include <glib.h>
-#include <sys/types.h>
-#include <regex.h>
-
-#include <gal/widgets/e-unicode.h>
-#include "camel-folder-search.h"
-#include "string-utils.h"
-
-#include "camel-exception.h"
-#include "camel-medium.h"
-#include "camel-multipart.h"
-#include "camel-mime-message.h"
-#include "camel-stream-mem.h"
-#include "e-util/e-memory.h"
-
-#define d(x)
-#define r(x)
-
-struct _CamelFolderSearchPrivate {
- GHashTable *mempool_hash;
-};
-
-#define _PRIVATE(o) (((CamelFolderSearch *)(o))->priv)
-
-static ESExpResult *search_header_contains(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search);
-static ESExpResult *search_header_matches(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search);
-static ESExpResult *search_header_starts_with(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search);
-static ESExpResult *search_header_ends_with(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search);
-static ESExpResult *search_header_exists(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search);
-static ESExpResult *search_match_all(struct _ESExp *f, int argc, struct _ESExpTerm **argv, CamelFolderSearch *search);
-static ESExpResult *search_body_contains(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search);
-static ESExpResult *search_user_flag(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *s);
-static ESExpResult *search_user_tag(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *s);
-static ESExpResult *search_system_flag(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *s);
-static ESExpResult *search_get_sent_date(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *s);
-static ESExpResult *search_get_received_date(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *s);
-static ESExpResult *search_get_current_date(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *s);
-
-static ESExpResult *search_dummy(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search);
-
-static void camel_folder_search_class_init (CamelFolderSearchClass *klass);
-static void camel_folder_search_init (CamelFolderSearch *obj);
-static void camel_folder_search_finalize (CamelObject *obj);
-
-static CamelObjectClass *camel_folder_search_parent;
-
-static void
-camel_folder_search_class_init (CamelFolderSearchClass *klass)
-{
- camel_folder_search_parent = camel_type_get_global_classfuncs (camel_object_get_type ());
-
- klass->match_all = search_match_all;
- klass->body_contains = search_body_contains;
- klass->header_contains = search_header_contains;
- klass->header_matches = search_header_matches;
- klass->header_starts_with = search_header_starts_with;
- klass->header_ends_with = search_header_ends_with;
- klass->header_exists = search_header_exists;
- klass->user_tag = search_user_tag;
- klass->user_flag = search_user_flag;
- klass->system_flag = search_system_flag;
- klass->get_sent_date = search_get_sent_date;
- klass->get_received_date = search_get_received_date;
- klass->get_current_date = search_get_current_date;
-}
-
-static void
-camel_folder_search_init (CamelFolderSearch *obj)
-{
- struct _CamelFolderSearchPrivate *p;
-
- p = _PRIVATE(obj) = g_malloc0(sizeof(*p));
-
- obj->sexp = e_sexp_new();
-
- /* use a hash of mempools to associate the returned uid lists with
- the backing mempool. yes pretty weird, but i didn't want to change
- the api just yet */
-
- p->mempool_hash = g_hash_table_new(0, 0);
-}
-
-static void
-free_mempool(void *key, void *value, void *data)
-{
- GPtrArray *uids = key;
- EMemPool *pool = value;
-
- g_warning("Search closed with outstanding result unfreed: %p", uids);
-
- g_ptr_array_free(uids, TRUE);
- e_mempool_destroy(pool);
-}
-
-static void
-camel_folder_search_finalize (CamelObject *obj)
-{
- CamelFolderSearch *search = (CamelFolderSearch *)obj;
- struct _CamelFolderSearchPrivate *p = _PRIVATE(obj);
-
- if (search->sexp)
- e_sexp_unref(search->sexp);
-
- g_free(search->last_search);
- g_hash_table_foreach(p->mempool_hash, free_mempool, obj);
- g_hash_table_destroy(p->mempool_hash);
- g_free(p);
-}
-
-CamelType
-camel_folder_search_get_type (void)
-{
- static CamelType type = CAMEL_INVALID_TYPE;
-
- if (type == CAMEL_INVALID_TYPE) {
- type = camel_type_register (camel_object_get_type (), "CamelFolderSearch",
- sizeof (CamelFolderSearch),
- sizeof (CamelFolderSearchClass),
- (CamelObjectClassInitFunc) camel_folder_search_class_init,
- NULL,
- (CamelObjectInitFunc) camel_folder_search_init,
- (CamelObjectFinalizeFunc) camel_folder_search_finalize);
- }
-
- return type;
-}
-
-#ifdef offsetof
-#define CAMEL_STRUCT_OFFSET(type, field) ((gint) offsetof (type, field))
-#else
-#define CAMEL_STRUCT_OFFSET(type, field) ((gint) ((gchar*) &((type *) 0)->field))
-#endif
-
-struct {
- char *name;
- int offset;
- int flags; /* 0x02 = immediate, 0x01 = always enter */
-} builtins[] = {
- /* these have default implementations in e-sexp */
- { "and", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, and), 2 },
- { "or", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, or), 2 },
- { "not", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, not), 2 },
- { "<", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, lt), 2 },
- { ">", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, gt), 2 },
- { "=", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, eq), 2 },
-
- /* these we have to use our own default if there is none */
- /* they should all be defined in the language? so it poarses, or should they not?? */
- { "match-all", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, match_all), 3 },
- { "body-contains", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, body_contains), 1 },
- { "header-contains", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, header_contains), 1 },
- { "header-matches", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, header_matches), 1 },
- { "header-starts-with", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, header_starts_with), 1 },
- { "header-ends-with", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, header_ends_with), 1 },
- { "header-exists", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, header_exists), 1 },
- { "user-tag", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, user_tag), 1 },
- { "user-flag", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, user_flag), 1 },
- { "system-flag", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, system_flag), 1 },
- { "get-sent-date", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, get_sent_date), 1 },
- { "get-received-date", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, get_received_date), 1 },
- { "get-current-date", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, get_current_date), 1 },
-};
-
-void
-camel_folder_search_construct (CamelFolderSearch *search)
-{
- int i;
- CamelFolderSearchClass *klass = (CamelFolderSearchClass *)CAMEL_OBJECT_GET_CLASS(search);
-
- for (i=0;i<sizeof(builtins)/sizeof(builtins[0]);i++) {
- void *func;
- /* c is sure messy sometimes */
- func = *((void **)(((char *)klass)+builtins[i].offset));
- if (func == NULL && builtins[i].flags&1) {
- g_warning("Search class doesn't implement '%s' method: %s", builtins[i].name, camel_type_to_name(CAMEL_OBJECT_GET_CLASS(search)->s.type));
- func = (void *)search_dummy;
- }
- if (func != NULL) {
- if (builtins[i].flags&2) {
- e_sexp_add_ifunction(search->sexp, 0, builtins[i].name, (ESExpIFunc *)func, search);
- } else {
- e_sexp_add_function(search->sexp, 0, builtins[i].name, (ESExpFunc *)func, search);
- }
- }
- }
-}
-
-/**
- * camel_folder_search_new:
- *
- * Create a new CamelFolderSearch object.
- *
- * A CamelFolderSearch is a subclassable, extensible s-exp
- * evaluator which enforces a particular set of s-expressions.
- * Particular methods may be overriden by an implementation to
- * implement a search for any sort of backend.
- *
- * Return value: A new CamelFolderSearch widget.
- **/
-CamelFolderSearch *
-camel_folder_search_new (void)
-{
- CamelFolderSearch *new = CAMEL_FOLDER_SEARCH ( camel_object_new (camel_folder_search_get_type ()));
-
- camel_folder_search_construct(new);
- return new;
-}
-
-/**
- * camel_folder_search_set_folder:
- * @search:
- * @folder: A folder.
- *
- * Set the folder attribute of the search. This is currently unused, but
- * could be used to perform a slow-search when indexes and so forth are not
- * available. Or for use by subclasses.
- **/
-void
-camel_folder_search_set_folder(CamelFolderSearch *search, CamelFolder *folder)
-{
- search->folder = folder;
-}
-
-/**
- * camel_folder_search_set_summary:
- * @search:
- * @summary: An array of CamelMessageInfo pointers.
- *
- * Set the array of summary objects representing the span of the search.
- *
- * If this is not set, then a subclass must provide the functions
- * for searching headers and for the match-all operator.
- **/
-void
-camel_folder_search_set_summary(CamelFolderSearch *search, GPtrArray *summary)
-{
- search->summary = summary;
-}
-
-/**
- * camel_folder_search_set_body_index:
- * @search:
- * @index:
- *
- * Set the index (ibex) representing the contents of all messages
- * in this folder. If this is not set, then the folder implementation
- * should sub-class the CamelFolderSearch and provide its own
- * body-contains function.
- **/
-void
-camel_folder_search_set_body_index(CamelFolderSearch *search, ibex *index)
-{
- search->body_index = index;
-}
-
-/**
- * camel_folder_search_execute_expression:
- * @search:
- * @expr:
- * @ex:
- *
- * Execute the search expression @expr, returning an array of
- * all matches as a GPtrArray of uid's of matching messages.
- *
- * Note that any settings such as set_body_index(), set_folder(),
- * and so on are reset to #NULL once the search has completed.
- *
- * TODO: The interface should probably return summary items instead
- * (since they are much more useful to any client).
- *
- * Return value: A GPtrArray of strings of all matching messages.
- * This must only be freed by camel_folder_search_free_result.
- **/
-GPtrArray *
-camel_folder_search_execute_expression(CamelFolderSearch *search, const char *expr, CamelException *ex)
-{
- ESExpResult *r;
- GPtrArray *matches = g_ptr_array_new ();
- int i;
- GHashTable *results;
- EMemPool *pool;
- struct _CamelFolderSearchPrivate *p = _PRIVATE(search);
-
- /* only re-parse if the search has changed */
- if (search->last_search == NULL
- || strcmp(search->last_search, expr)) {
- e_sexp_input_text(search->sexp, expr, strlen(expr));
- e_sexp_parse(search->sexp);
- g_free(search->last_search);
- search->last_search = g_strdup(expr);
- }
- r = e_sexp_eval(search->sexp);
-
- /* now create a folder summary to return?? */
- if (r
- && r->type == ESEXP_RES_ARRAY_PTR) {
- d(printf("got result ...\n"));
- /* we use a mempool to store the strings, packed in tight as possible, and freed together */
- /* because the strings are often short (like <8 bytes long), we would be wasting appx 50%
- of memory just storing the size tag that malloc assigns us and alignment padding, so this
- gets around that (and is faster to allocate and free as a bonus) */
- pool = e_mempool_new(512, 256, E_MEMPOOL_ALIGN_BYTE);
- if (search->summary) {
- /* reorder result in summary order */
- results = g_hash_table_new(g_str_hash, g_str_equal);
- for (i=0;i<r->value.ptrarray->len;i++) {
- d(printf("adding match: %s\n", (char *)g_ptr_array_index(r->value.ptrarray, i)));
- g_hash_table_insert(results, g_ptr_array_index(r->value.ptrarray, i), (void *)1);
- }
- for (i=0;i<search->summary->len;i++) {
- CamelMessageInfo *info = g_ptr_array_index(search->summary, i);
- char *uid = (char *)camel_message_info_uid(info);
- if (g_hash_table_lookup(results, uid)) {
- g_ptr_array_add(matches, e_mempool_strdup(pool, uid));
- }
- }
- g_hash_table_destroy(results);
- } else {
- for (i=0;i<r->value.ptrarray->len;i++) {
- d(printf("adding match: %s\n", (char *)g_ptr_array_index(r->value.ptrarray, i)));
- g_ptr_array_add(matches, e_mempool_strdup(pool, g_ptr_array_index(r->value.ptrarray, i)));
- }
- }
- e_sexp_result_free(r);
- /* instead of putting the mempool_hash in the structure, we keep the api clean by
- putting a reference to it in a hashtable. Lets us do some debugging and catch
- unfree'd results as well. */
- g_hash_table_insert(p->mempool_hash, matches, pool);
- } else {
- printf("no result!\n");
- }
-
- search->folder = NULL;
- search->summary = NULL;
- search->current = NULL;
- search->body_index = NULL;
-
- return matches;
-}
-
-/**
- * camel_folder_search_match_expression:
- * @search:
- * @expr:
- * @info:
- * @ex:
- *
- * Returns #TRUE if the expression matches the specific message info @info.
- * Note that the folder and index may need to be set for body searches to
- * operate as well.
- *
- * Return value:
- **/
-gboolean
-camel_folder_search_match_expression(CamelFolderSearch *search, const char *expr, const CamelMessageInfo *info, CamelException *ex)
-{
- GPtrArray *uids;
- int ret = FALSE;
-
- search->match1 = (CamelMessageInfo *)info;
-
- uids = camel_folder_search_execute_expression(search, expr, ex);
- if (uids) {
- if (uids->len == 1)
- ret = TRUE;
- camel_folder_search_free_result(search, uids);
- }
- search->match1 = NULL;
-
- return ret;
-}
-
-void camel_folder_search_free_result(CamelFolderSearch *search, GPtrArray *result)
-{
- int i;
- struct _CamelFolderSearchPrivate *p = _PRIVATE(search);
- EMemPool *pool;
-
- pool = g_hash_table_lookup(p->mempool_hash, result);
- if (pool) {
- e_mempool_destroy(pool);
- g_hash_table_remove(p->mempool_hash, result);
- } else {
- for (i=0;i<result->len;i++)
- g_free(g_ptr_array_index(result, i));
- }
- g_ptr_array_free(result, TRUE);
-}
-
-
-
-
-/* dummy function, returns false always, or an empty match array */
-static ESExpResult *
-search_dummy(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- ESExpResult *r;
-
- if (search->current == NULL) {
- r = e_sexp_result_new(ESEXP_RES_BOOL);
- r->value.bool = FALSE;
- } else {
- r = e_sexp_result_new(ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new();
- }
-
- return r;
-}
-
-static ESExpResult *
-search_match_all(struct _ESExp *f, int argc, struct _ESExpTerm **argv, CamelFolderSearch *search)
-{
- int i;
- ESExpResult *r, *r1;
-
- if (argc>1) {
- g_warning("match-all only takes a single argument, other arguments ignored");
- }
- r = e_sexp_result_new(ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new();
-
- /* we are only matching a single message? */
- if (search->match1) {
- search->current = search->match1;
-
- if (argc>0) {
- r1 = e_sexp_term_eval(f, argv[0]);
- if (r1->type == ESEXP_RES_BOOL) {
- if (r1->value.bool)
- g_ptr_array_add(r->value.ptrarray, (char *)camel_message_info_uid(search->current));
- } else {
- g_warning("invalid syntax, matches require a single bool result");
- }
- e_sexp_result_free(r1);
- } else {
- g_ptr_array_add(r->value.ptrarray, (char *)camel_message_info_uid(search->current));
- }
- search->current = NULL;
-
- return r;
- }
-
- if (search->summary == NULL) {
- /* TODO: make it work - e.g. use the folder and so forth for a slower search */
- g_warning("No summary supplied, match-all doesn't work with no summary");
- return r;
- }
-
- /* TODO: Could make this a bit faster in the uncommon case (of match-everything) */
- for (i=0;i<search->summary->len;i++) {
- search->current = g_ptr_array_index(search->summary, i);
- if (argc>0) {
- r1 = e_sexp_term_eval(f, argv[0]);
- if (r1->type == ESEXP_RES_BOOL) {
- if (r1->value.bool)
- g_ptr_array_add(r->value.ptrarray, (char *)camel_message_info_uid(search->current));
- } else {
- g_warning("invalid syntax, matches require a single bool result");
- }
- e_sexp_result_free(r1);
- } else {
- g_ptr_array_add(r->value.ptrarray, (char *)camel_message_info_uid(search->current));
- }
- }
- search->current = NULL;
-
- return r;
-}
-
-static ESExpResult *
-search_header_contains(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- ESExpResult *r;
- int truth = FALSE;
-
- r(printf("executing header-contains\n"));
-
- /* are we inside a match-all? */
- if (search->current && argc>1
- && argv[0]->type == ESEXP_RES_STRING) {
- char *headername;
- const char *header = NULL;
- char strbuf[32];
- int i;
-
- /* only a subset of headers are supported .. */
- headername = argv[0]->value.string;
- if (!strcasecmp(headername, "subject")) {
- header = camel_message_info_subject(search->current);
- } else if (!strcasecmp(headername, "date")) {
- /* FIXME: not a very useful form of the date */
- sprintf(strbuf, "%d", (int)search->current->date_sent);
- header = strbuf;
- } else if (!strcasecmp(headername, "from")) {
- header = camel_message_info_from(search->current);
- } else if (!strcasecmp(headername, "to")) {
- header = camel_message_info_to(search->current);
- } else if (!strcasecmp(headername, "cc")) {
- header = camel_message_info_cc(search->current);
- } else {
- g_warning("Performing query on unknown header: %s", headername);
- }
-
- if (header) {
- /* performs an OR of all words */
- for (i=1;i<argc && !truth;i++) {
- if (argv[i]->type == ESEXP_RES_STRING
- && e_utf8_strstrcase (header, argv[i]->value.string)) {
- r(printf("%s got a match with %s of %s\n",
- camel_message_info_uid(search->current),
- header, argv[i]->value.string));
- truth = TRUE;
- break;
- }
- }
- }
- }
- /* TODO: else, find all matches */
-
- r = e_sexp_result_new(ESEXP_RES_BOOL);
- r->value.bool = truth;
-
- return r;
-}
-
-static ESExpResult *
-search_header_matches(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- ESExpResult *r;
-
- r(printf ("executing header-matches\n"));
-
- if (search->current && argc == 2) {
- char *headername;
- const char *header = NULL;
- char strbuf[32];
- gboolean truth = FALSE;
-
- /* only a subset of headers are supported .. */
- headername = argv[0]->value.string;
- if (!strcasecmp (headername, "subject")) {
- header = camel_message_info_subject (search->current);
- } else if (!strcasecmp (headername, "date")) {
- /* FIXME: not a very useful form of the date */
- sprintf (strbuf, "%d", (int)search->current->date_sent);
- header = strbuf;
- } else if (!strcasecmp (headername, "from")) {
- header = camel_message_info_from (search->current);
- } else if (!strcasecmp (headername, "to")) {
- header = camel_message_info_to (search->current);
- } else if (!strcasecmp (headername, "cc")) {
- header = camel_message_info_cc (search->current);
- } else {
- g_warning ("Performing query on unknown header: %s", headername);
- }
-
- if (header && argv[1]->type == ESEXP_RES_STRING) {
- /* danw says to use search-engine style matching...
- * This means that if the search match string is
- * lowercase then compare case-insensitive else
- * compare case-sensitive. */
- gboolean is_lowercase = TRUE;
- char *match = argv[1]->value.string;
- char *c;
-
- /* remove any leading white space... */
- for ( ; *header && isspace (*header); header++);
-
- for (c = match; *c; c++) {
- if (isalpha (*c) && isupper (*c)) {
- is_lowercase = FALSE;
- break;
- }
- }
-
- if (is_lowercase) {
- if (!g_strcasecmp (header, match))
- truth = TRUE;
- } else {
- if (!strcmp (header, match))
- truth = TRUE;
- }
- }
-
- r = e_sexp_result_new (ESEXP_RES_BOOL);
- r->value.bool = truth;
- } else {
- r = e_sexp_result_new (ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new ();
- }
-
- return r;
-}
-
-static ESExpResult *
-search_header_starts_with (struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- ESExpResult *r;
-
- r(printf ("executing header-starts-with\n"));
-
- if (search->current && argc == 2) {
- char *headername, *match;
- const char *header = NULL;
- char strbuf[32];
- gboolean truth = FALSE;
-
- /* only a subset of headers are supported .. */
- headername = argv[0]->value.string;
- if (!strcasecmp (headername, "subject")) {
- header = camel_message_info_subject (search->current);
- } else if (!strcasecmp (headername, "date")) {
- /* FIXME: not a very useful form of the date */
- sprintf (strbuf, "%d", (int)search->current->date_sent);
- header = strbuf;
- } else if (!strcasecmp (headername, "from")) {
- header = camel_message_info_from (search->current);
- } else if (!strcasecmp (headername, "to")) {
- header = camel_message_info_to (search->current);
- } else if (!strcasecmp (headername, "cc")) {
- header = camel_message_info_cc (search->current);
- } else {
- g_warning ("Performing query on unknown header: %s", headername);
- }
-
- match = argv[1]->value.string;
-
- if (header && strlen (header) >= strlen (match)) {
- /* danw says to use search-engine style matching...
- * This means that if the search match string is
- * lowercase then compare case-insensitive else
- * compare case-sensitive. */
- gboolean is_lowercase = TRUE;
- char *c;
-
- /* remove any leading white space... */
- for ( ; *header && isspace (*header); header++);
-
- for (c = match; *c; c++) {
- if (isalpha (*c) && isupper (*c)) {
- is_lowercase = FALSE;
- break;
- }
- }
-
- if (is_lowercase) {
- if (!g_strncasecmp (header, match, strlen (match)))
- truth = TRUE;
- } else {
- if (!strncmp (header, match, strlen (match)))
- truth = TRUE;
- }
- }
-
- r = e_sexp_result_new (ESEXP_RES_BOOL);
- r->value.bool = truth;
- } else {
- r = e_sexp_result_new (ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new ();
- }
-
- return r;
-}
-
-static ESExpResult *
-search_header_ends_with (struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- ESExpResult *r;
-
- r(printf ("executing header-ends-with\n"));
-
- if (search->current && argc == 2) {
- char *headername, *match;
- const char *header = NULL;
- char strbuf[32];
- gboolean truth = FALSE;
-
- /* only a subset of headers are supported .. */
- headername = argv[0]->value.string;
- if (!strcasecmp (headername, "subject")) {
- header = camel_message_info_subject (search->current);
- } else if (!strcasecmp (headername, "date")) {
- /* FIXME: not a very useful form of the date */
- sprintf (strbuf, "%d", (int)search->current->date_sent);
- header = strbuf;
- } else if (!strcasecmp (headername, "from")) {
- header = camel_message_info_from (search->current);
- } else if (!strcasecmp (headername, "to")) {
- header = camel_message_info_to (search->current);
- } else if (!strcasecmp (headername, "cc")) {
- header = camel_message_info_cc (search->current);
- } else {
- g_warning ("Performing query on unknown header: %s", headername);
- }
-
- match = argv[1]->value.string;
-
- if (header && strlen (header) >= strlen (match)) {
- /* danw says to use search-engine style matching...
- * This means that if the search match string is
- * lowercase then compare case-insensitive else
- * compare case-sensitive. */
- gboolean is_lowercase = TRUE;
- char *c, *end;
-
- /* remove any leading white space... */
- for ( ; *header && isspace (*header); header++);
-
- for (c = match; *c; c++) {
- if (isalpha (*c) && isupper (*c)) {
- is_lowercase = FALSE;
- break;
- }
- }
-
- end = (char *) header + strlen (header) - strlen (match);
-
- if (is_lowercase) {
- if (!g_strncasecmp (header, match, strlen (match)))
- truth = TRUE;
- } else {
- if (!strncmp (header, match, strlen (match)))
- truth = TRUE;
- }
- }
-
- r = e_sexp_result_new (ESEXP_RES_BOOL);
- r->value.bool = truth;
- } else {
- r = e_sexp_result_new (ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new ();
- }
-
- return r;
-}
-
-static ESExpResult *
-search_header_exists (struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- ESExpResult *r;
-
- r(printf ("executing header-exists\n"));
-
- if (search->current) {
- const gchar *value = NULL;
-
- if (argc == 1 && argv[0]->type == ESEXP_RES_STRING)
- value = camel_medium_get_header (CAMEL_MEDIUM (search->current),
- argv[0]->value.string);
-
- r = e_sexp_result_new (ESEXP_RES_BOOL);
- r->value.bool = value ? TRUE : FALSE;
- } else {
- r = e_sexp_result_new (ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new ();
- }
-
- return r;
-}
-
-/* this is just to OR results together */
-struct _glib_sux_donkeys {
- int count;
- GPtrArray *uids;
-};
-
-/* or, store all unique values */
-static void
-g_lib_sux_htor(char *key, int value, struct _glib_sux_donkeys *fuckup)
-{
- g_ptr_array_add(fuckup->uids, key);
-}
-
-/* performs a 'slow' content-based match */
-static gboolean
-message_body_contains(CamelDataWrapper *object, regex_t *pattern)
-{
- CamelDataWrapper *containee;
- int truth = FALSE;
- int parts, i;
-
- containee = camel_medium_get_content_object(CAMEL_MEDIUM(object));
-
- if (containee == NULL)
- return FALSE;
-
- /* TODO: I find it odd that get_part and get_content_object do not
- add a reference, probably need fixing for multithreading */
-
- /* using the object types is more accurate than using the mime/types */
- if (CAMEL_IS_MULTIPART(containee)) {
- parts = camel_multipart_get_number(CAMEL_MULTIPART(containee));
- for (i=0;i<parts && truth==FALSE;i++) {
- CamelDataWrapper *part = (CamelDataWrapper *)camel_multipart_get_part(CAMEL_MULTIPART(containee), i);
- if (part) {
- truth = message_body_contains(part, pattern);
- }
- }
- } else if (CAMEL_IS_MIME_MESSAGE(containee)) {
- /* for messages we only look at its contents */
- truth = message_body_contains((CamelDataWrapper *)containee, pattern);
- } else if (header_content_type_is(CAMEL_DATA_WRAPPER(containee)->mime_type, "text", "*")) {
- /* for all other text parts, we look inside, otherwise we dont care */
- CamelStreamMem *mem = (CamelStreamMem *)camel_stream_mem_new();
-
- camel_data_wrapper_write_to_stream(containee, (CamelStream *)mem);
- camel_stream_write((CamelStream *)mem, "", 1);
- truth = regexec(pattern, mem->buffer->data, 0, NULL, 0) == 0;
- camel_object_unref((CamelObject *)mem);
- }
- return truth;
-}
-
-/* builds the regex into pattern */
-static int
-build_match_regex(regex_t *pattern, int argc, struct _ESExpResult **argv)
-{
- GString *match = g_string_new("");
- int c, i, count=0, err;
- char *word;
-
- /* build a regex pattern we can use to match the words, we OR them together */
- if (argc>1)
- g_string_append_c(match, '(');
- for (i=0;i<argc;i++) {
- if (argv[i]->type == ESEXP_RES_STRING) {
- if (count > 0)
- g_string_append_c(match, '|');
- /* escape any special chars (not sure if this list is complete) */
- word = argv[i]->value.string;
- while ((c = *word++)) {
- if (strchr("*\\.()[]^$+", c) != NULL) {
- g_string_append_c(match, '\\');
- }
- g_string_append_c(match, c);
- }
- count++;
- } else {
- g_warning("Invalid type passed to body-contains match function");
- }
- }
- if (argc>1)
- g_string_append_c(match, ')');
- err = regcomp(pattern, match->str, REG_EXTENDED|REG_ICASE|REG_NOSUB);
- if (err != 0) {
- char buffer[1024]; /* dont really care if its longer than this ... */
-
- regerror(err, pattern, buffer, 1023);
- g_warning("Internal error with search pattern: %s: %s", match->str, buffer);
- regfree(pattern);
- }
- d(printf("Built regex: '%s'\n", match->str));
- g_string_free(match, TRUE);
- return err;
-}
-
-static int
-match_message(CamelFolder *folder, const char *uid, regex_t *pattern)
-{
- CamelMimeMessage *msg;
- int truth = FALSE;
- CamelException *ex;
-
- ex = camel_exception_new();
- msg = camel_folder_get_message(folder, uid, ex);
- if (!camel_exception_is_set(ex) && msg!=NULL) {
- truth = message_body_contains((CamelDataWrapper *)msg, pattern);
- camel_object_unref((CamelObject *)msg);
- }
- camel_exception_free(ex);
- return truth;
-}
-
-static ESExpResult *
-search_body_contains(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- ESExpResult *r;
- int i, j;
- regex_t pattern;
-
- if (search->current) {
- int truth = FALSE;
-
- r = e_sexp_result_new(ESEXP_RES_BOOL);
- if (search->body_index) {
- for (i=0;i<argc && !truth;i++) {
- if (argv[i]->type == ESEXP_RES_STRING) {
- truth = ibex_find_name(search->body_index, (char *)camel_message_info_uid(search->current),
- argv[i]->value.string);
- } else {
- g_warning("Invalid type passed to body-contains match function");
- }
- }
- } else if (search->folder) {
- /* we do a 'slow' direct search */
- if (build_match_regex(&pattern, argc, argv) == 0) {
- truth = match_message(search->folder, camel_message_info_uid(search->current), &pattern);
- regfree(&pattern);
- }
- } else {
- g_warning("Cannot perform indexed body query with no index or folder set");
- }
- r->value.bool = truth;
- } else {
- r = e_sexp_result_new(ESEXP_RES_ARRAY_PTR);
-
- if (search->body_index) {
- if (argc==1) {
- /* common case */
- r->value.ptrarray = ibex_find(search->body_index, argv[0]->value.string);
- } else {
- GHashTable *ht = g_hash_table_new(g_str_hash, g_str_equal);
- GPtrArray *pa;
- struct _glib_sux_donkeys lambdafoo;
-
- /* this sux, perform an or operation on the result(s) of each word */
- for (i=0;i<argc;i++) {
- if (argv[i]->type == ESEXP_RES_STRING) {
- pa = ibex_find(search->body_index, argv[i]->value.string);
- for (j=0;j<pa->len;j++) {
- g_hash_table_insert(ht, g_ptr_array_index(pa, j), (void *)1);
- }
- g_ptr_array_free(pa, FALSE);
- } else {
- g_warning("invalid type passed to body-contains");
- }
- }
- lambdafoo.uids = g_ptr_array_new();
- g_hash_table_foreach(ht, (GHFunc)g_lib_sux_htor, &lambdafoo);
- r->value.ptrarray = lambdafoo.uids;
- g_hash_table_destroy(ht);
- }
- } else if (search->folder) {
- /* do a slow search */
- r->value.ptrarray = g_ptr_array_new();
- if (build_match_regex(&pattern, argc, argv) == 0) {
- if (search->summary) {
- for (i=0;i<search->summary->len;i++) {
- CamelMessageInfo *info = g_ptr_array_index(search->summary, i);
-
- if (match_message(search->folder, camel_message_info_uid(info), &pattern))
- g_ptr_array_add(r->value.ptrarray, (char *)camel_message_info_uid(info));
- }
- } /* else? we could always get the summary from the folder, but then
- we need to free it later somehow */
- regfree(&pattern);
- }
- } else {
- g_warning("Cannot perform indexed body query with no index or folder set");
- r->value.ptrarray = g_ptr_array_new();
- }
- }
-
- return r;
-}
-
-static ESExpResult *
-search_user_flag(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- ESExpResult *r;
- int i;
-
- r(printf("executing user-flag\n"));
-
- /* are we inside a match-all? */
- if (search->current) {
- int truth = FALSE;
- /* performs an OR of all words */
- for (i=0;i<argc && !truth;i++) {
- if (argv[i]->type == ESEXP_RES_STRING
- && camel_flag_get(&search->current->user_flags, argv[i]->value.string)) {
- truth = TRUE;
- break;
- }
- }
- r = e_sexp_result_new(ESEXP_RES_BOOL);
- r->value.bool = truth;
- } else {
- r = e_sexp_result_new(ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new();
- }
-
- return r;
-}
-
-static ESExpResult *
-search_system_flag (struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- ESExpResult *r;
-
- r(printf ("executing system-flag\n"));
-
- if (search->current) {
- gboolean truth = FALSE;
-
- if (argc == 1)
- truth = camel_system_flag_get (search->current->flags, argv[0]->value.string);
-
- r = e_sexp_result_new (ESEXP_RES_BOOL);
- r->value.bool = truth;
- } else {
- r = e_sexp_result_new (ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new ();
- }
-
- return r;
-}
-
-static ESExpResult *search_user_tag(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- ESExpResult *r;
-
- r(printf("executing user-tag\n"));
-
- /* are we inside a match-all? */
- if (search->current) {
- const char *value = NULL;
- if (argc == 1) {
- value = camel_tag_get(&search->current->user_tags, argv[0]->value.string);
- }
- r = e_sexp_result_new(ESEXP_RES_STRING);
- r->value.string = g_strdup(value?value:"");
- } else {
- r = e_sexp_result_new(ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new();
- }
-
- return r;
-}
-
-static ESExpResult *
-search_get_sent_date(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *s)
-{
- ESExpResult *r;
-
- r(printf("executing get-sent-date\n"));
-
- /* are we inside a match-all? */
- if (s->current) {
- r = e_sexp_result_new (ESEXP_RES_INT);
-
- r->value.number = s->current->date_sent;
- } else {
- r = e_sexp_result_new (ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new ();
- }
-
- return r;
-}
-
-static ESExpResult *
-search_get_received_date(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *s)
-{
- ESExpResult *r;
-
- r(printf("executing get-received-date\n"));
-
- /* are we inside a match-all? */
- if (s->current) {
- r = e_sexp_result_new (ESEXP_RES_INT);
-
- r->value.number = s->current->date_received;
- } else {
- r = e_sexp_result_new (ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new ();
- }
-
- return r;
-}
-
-static ESExpResult *
-search_get_current_date(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *s)
-{
- ESExpResult *r;
-
- r(printf("executing get-current-date\n"));
-
- r = e_sexp_result_new (ESEXP_RES_INT);
- r->value.number = time (NULL);
- return r;
-}
-