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-rw-r--r--camel/camel-folder-search.c1174
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diff --git a/camel/camel-folder-search.c b/camel/camel-folder-search.c
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-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * Copyright (C) 2000-2003 Ximian Inc.
- *
- * Authors: Michael Zucchi <notzed@ximian.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * 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. */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include <sys/types.h>
-#include <regex.h>
-
-#include <glib.h>
-
-#include "camel-folder-search.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"
-#include "camel-search-private.h"
-
-#define d(x)
-#define r(x)
-
-struct _CamelFolderSearchPrivate {
- GHashTable *mempool_hash;
- CamelException *ex;
-};
-
-#define _PRIVATE(o) (((CamelFolderSearch *)(o))->priv)
-
-static ESExpResult *search_not(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search);
-
-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_get_size(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *s);
-static ESExpResult *search_uid(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->not = search_not;
-
- 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;
- klass->get_size = search_get_size;
- klass->uid = search_uid;
-}
-
-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);
- if (search->summary_hash)
- g_hash_table_destroy(search->summary_hash);
-
- 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 },
- /* we need to override this one though to implement an 'array not' */
- { "not", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, not), 0 },
- { "<", 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 parses, 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 },
- { "get-size", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, get_size), 1 },
- { "uid", CAMEL_STRUCT_OFFSET(CamelFolderSearchClass, uid), 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)));
- 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)
-{
- int i;
-
- search->summary = summary;
- if (search->summary_hash)
- g_hash_table_destroy(search->summary_hash);
- search->summary_hash = g_hash_table_new(g_str_hash, g_str_equal);
- for (i=0;i<summary->len;i++)
- g_hash_table_insert(search->summary_hash, (char *)camel_message_info_uid(summary->pdata[i]), summary->pdata[i]);
-}
-
-/**
- * camel_folder_search_set_body_index:
- * @search:
- * @index:
- *
- * Set the index 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, CamelIndex *index)
-{
- if (search->body_index)
- camel_object_unref((CamelObject *)search->body_index);
- search->body_index = index;
- if (index)
- camel_object_ref((CamelObject *)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;
- int i;
- GHashTable *results;
- EMemPool *pool;
- struct _CamelFolderSearchPrivate *p = _PRIVATE(search);
-
- p->ex = ex;
-
- /* 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));
- if (e_sexp_parse(search->sexp) == -1) {
- camel_exception_setv(ex, 1, _("Cannot parse search expression: %s:\n%s"), e_sexp_error(search->sexp), expr);
- return NULL;
- }
-
- g_free(search->last_search);
- search->last_search = g_strdup(expr);
- }
- r = e_sexp_eval(search->sexp);
- if (r == NULL) {
- if (!camel_exception_is_set(ex))
- camel_exception_setv(ex, 1, _("Error executing search expression: %s:\n%s"), e_sexp_error(search->sexp), expr);
- return NULL;
- }
-
- matches = g_ptr_array_new();
-
- /* now create a folder summary to return?? */
- if (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)));
- }
- }
- /* 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 {
- g_warning("Search returned an invalid result type");
- }
-
- e_sexp_result_free(search->sexp, r);
-
- 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->current = (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->current = 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(f, ESEXP_RES_BOOL);
- r->value.bool = FALSE;
- } else {
- r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new();
- }
-
- return r;
-}
-
-/* impelemnt an 'array not', i.e. everything in the summary, not in the supplied array */
-static ESExpResult *
-search_not(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- ESExpResult *r;
- int i;
-
- if (argc>0) {
- if (argv[0]->type == ESEXP_RES_ARRAY_PTR) {
- GPtrArray *v = argv[0]->value.ptrarray;
- const char *uid;
-
- r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new();
-
- /* not against a single message?*/
- if (search->current) {
- int found = FALSE;
-
- uid = camel_message_info_uid(search->current);
- for (i=0;!found && i<v->len;i++) {
- if (strcmp(uid, v->pdata[i]) == 0)
- found = TRUE;
- }
-
- if (!found)
- g_ptr_array_add(r->value.ptrarray, (char *)uid);
- } else if (search->summary == NULL) {
- g_warning("No summary set, 'not' against an array requires a summary");
- } else {
- /* 'not' against the whole summary */
- GHashTable *have = g_hash_table_new(g_str_hash, g_str_equal);
- char **s;
- CamelMessageInfo **m;
-
- s = (char **)v->pdata;
- for (i=0;i<v->len;i++)
- g_hash_table_insert(have, s[i], s[i]);
-
- v = search->summary;
- m = (CamelMessageInfo **)v->pdata;
- for (i=0;i<v->len;i++) {
- char *uid = (char *)camel_message_info_uid(m[i]);
-
- if (g_hash_table_lookup(have, uid) == NULL)
- g_ptr_array_add(r->value.ptrarray, uid);
- }
- g_hash_table_destroy(have);
- }
- } else {
- int res = TRUE;
-
- if (argv[0]->type == ESEXP_RES_BOOL)
- res = ! argv[0]->value.bool;
-
- r = e_sexp_result_new(f, ESEXP_RES_BOOL);
- r->value.bool = res;
- }
- } else {
- r = e_sexp_result_new(f, ESEXP_RES_BOOL);
- r->value.bool = TRUE;
- }
-
- 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");
- }
-
- /* we are only matching a single message? or already inside a match-all? */
- if (search->current) {
- d(printf("matching against 1 message: %s\n", camel_message_info_subject(search->current)));
-
- r = e_sexp_result_new(f, ESEXP_RES_BOOL);
- r->value.bool = FALSE;
-
- if (argc>0) {
- r1 = e_sexp_term_eval(f, argv[0]);
- if (r1->type == ESEXP_RES_BOOL) {
- r->value.bool = r1->value.bool;
- } else {
- g_warning("invalid syntax, matches require a single bool result");
- e_sexp_fatal_error(f, _("(match-all) requires a single bool result"));
- }
- e_sexp_result_free(f, r1);
- } else {
- r->value.bool = TRUE;
- }
- return r;
- }
-
- r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new();
-
- 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");
- g_assert(0);
- 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_fatal_error(f, _("(match-all) requires a single bool result"));
- }
- e_sexp_result_free(f, r1);
- } else {
- g_ptr_array_add(r->value.ptrarray, (char *)camel_message_info_uid(search->current));
- }
- }
- search->current = NULL;
-
- return r;
-}
-
-static ESExpResult *
-check_header(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search, camel_search_match_t how)
-{
- ESExpResult *r;
- int truth = FALSE;
-
- r(printf("executing check-header %d\n", how));
-
- /* 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, j;
- camel_search_t type = CAMEL_SEARCH_TYPE_ASIS;
- struct _camel_search_words *words;
-
- /* 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);
- type = CAMEL_SEARCH_TYPE_ADDRESS;
- } else if (!strcasecmp(headername, "to")) {
- header = camel_message_info_to(search->current);
- type = CAMEL_SEARCH_TYPE_ADDRESS;
- } else if (!strcasecmp(headername, "cc")) {
- header = camel_message_info_cc(search->current);
- type = CAMEL_SEARCH_TYPE_ADDRESS;
- } else if (!strcasecmp(headername, "x-camel-mlist")) {
- header = camel_message_info_mlist(search->current);
- type = CAMEL_SEARCH_TYPE_MLIST;
- } else {
- e_sexp_resultv_free(f, argc, argv);
- e_sexp_fatal_error(f, _("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) {
- if (argv[i]->value.string[0] == 0) {
- truth = TRUE;
- } else if (how == CAMEL_SEARCH_MATCH_CONTAINS) {
- /* doesn't make sense to split words on anything but contains i.e. we can't have an ending match different words */
- words = camel_search_words_split(argv[i]->value.string);
- truth = TRUE;
- for (j=0;j<words->len && truth;j++) {
- truth = camel_search_header_match(header, words->words[j]->word, how, type, NULL);
- }
- camel_search_words_free(words);
- } else {
- truth = camel_search_header_match(header, argv[i]->value.string, how, type, NULL);
- }
- }
- }
- }
- }
- /* TODO: else, find all matches */
-
- r = e_sexp_result_new(f, ESEXP_RES_BOOL);
- r->value.bool = truth;
-
- return r;
-}
-
-static ESExpResult *
-search_header_contains(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- return check_header(f, argc, argv, search, CAMEL_SEARCH_MATCH_CONTAINS);
-}
-
-static ESExpResult *
-search_header_matches(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- return check_header(f, argc, argv, search, CAMEL_SEARCH_MATCH_EXACT);
-}
-
-static ESExpResult *
-search_header_starts_with (struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- return check_header(f, argc, argv, search, CAMEL_SEARCH_MATCH_STARTS);
-}
-
-static ESExpResult *
-search_header_ends_with (struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- return check_header(f, argc, argv, search, CAMEL_SEARCH_MATCH_ENDS);
-}
-
-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) {
- r = e_sexp_result_new(f, ESEXP_RES_BOOL);
- if (argc == 1 && argv[0]->type == ESEXP_RES_STRING)
- r->value.bool = camel_medium_get_header(CAMEL_MEDIUM(search->current), argv[0]->value.string) != NULL;
-
- } else {
- r = e_sexp_result_new(f, 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);
-}
-
-/* and, only store duplicates */
-static void
-g_lib_sux_htand(char *key, int value, struct _glib_sux_donkeys *fuckup)
-{
- if (value == fuckup->count)
- g_ptr_array_add(fuckup->uids, key);
-}
-
-static int
-match_message_index(CamelIndex *idx, const char *uid, const char *match, CamelException *ex)
-{
- CamelIndexCursor *wc, *nc;
- const char *word, *name;
- int truth = FALSE;
-
- wc = camel_index_words(idx);
- if (wc) {
- while (!truth && (word = camel_index_cursor_next(wc))) {
- if (camel_ustrstrcase(word,match) != NULL) {
- /* perf: could have the wc cursor return the name cursor */
- nc = camel_index_find(idx, word);
- if (nc) {
- while (!truth && (name = camel_index_cursor_next(nc)))
- truth = strcmp(name, uid) == 0;
- camel_object_unref((CamelObject *)nc);
- }
- }
- }
- camel_object_unref((CamelObject *)wc);
- }
-
- return truth;
-}
-
-/*
- "one two" "three" "four five"
-
- one and two
-or
- three
-or
- four and five
-*/
-
-/* returns messages which contain all words listed in words */
-static GPtrArray *
-match_words_index(CamelFolderSearch *search, struct _camel_search_words *words, CamelException *ex)
-{
- GPtrArray *result = g_ptr_array_new();
- GHashTable *ht = g_hash_table_new(g_str_hash, g_str_equal);
- struct _glib_sux_donkeys lambdafoo;
- CamelIndexCursor *wc, *nc;
- const char *word, *name;
- CamelMessageInfo *mi;
- int i;
-
- /* we can have a maximum of 32 words, as we use it as the AND mask */
-
- wc = camel_index_words(search->body_index);
- if (wc) {
- while ((word = camel_index_cursor_next(wc))) {
- for (i=0;i<words->len;i++) {
- if (camel_ustrstrcase(word, words->words[i]->word) != NULL) {
- /* perf: could have the wc cursor return the name cursor */
- nc = camel_index_find(search->body_index, word);
- if (nc) {
- while ((name = camel_index_cursor_next(nc))) {
- mi = g_hash_table_lookup(search->summary_hash, name);
- if (mi) {
- int mask;
- const char *uid = camel_message_info_uid(mi);
-
- mask = (GPOINTER_TO_INT(g_hash_table_lookup(ht, uid))) | (1<<i);
- g_hash_table_insert(ht, (char *)uid, GINT_TO_POINTER(mask));
- }
- }
- camel_object_unref((CamelObject *)nc);
- }
- }
- }
- }
- camel_object_unref((CamelObject *)wc);
-
- lambdafoo.uids = result;
- lambdafoo.count = (1<<words->len) - 1;
- g_hash_table_foreach(ht, (GHFunc)g_lib_sux_htand, &lambdafoo);
- g_hash_table_destroy(ht);
- }
-
- return result;
-}
-
-static gboolean
-match_words_1message (CamelDataWrapper *object, struct _camel_search_words *words, guint32 *mask)
-{
- CamelDataWrapper *containee;
- int truth = FALSE;
- int parts, i;
-
- containee = camel_medium_get_content_object (CAMEL_MEDIUM (object));
-
- if (containee == NULL)
- return FALSE;
-
- /* 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 = match_words_1message(part, words, mask);
- }
- } else if (CAMEL_IS_MIME_MESSAGE (containee)) {
- /* for messages we only look at its contents */
- truth = match_words_1message((CamelDataWrapper *)containee, words, mask);
- } else if (camel_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 ();
-
- /* FIXME: The match should be part of a stream op */
- camel_data_wrapper_decode_to_stream (containee, CAMEL_STREAM (mem));
- camel_stream_write (CAMEL_STREAM (mem), "", 1);
- for (i=0;i<words->len;i++) {
- /* FIXME: This is horridly slow, and should use a real search algorithm */
- if (camel_ustrstrcase(mem->buffer->data, words->words[i]->word) != NULL) {
- *mask |= (1<<i);
- /* shortcut a match */
- if (*mask == (1<<(words->len))-1)
- return TRUE;
- }
- }
-
- camel_object_unref (mem);
- }
-
- return truth;
-}
-
-static gboolean
-match_words_message(CamelFolder *folder, const char *uid, struct _camel_search_words *words, CamelException *ex)
-{
- guint32 mask;
- CamelMimeMessage *msg;
- int truth;
-
- msg = camel_folder_get_message(folder, uid, ex);
- if (msg) {
- mask = 0;
- truth = match_words_1message((CamelDataWrapper *)msg, words, &mask);
- camel_object_unref((CamelObject *)msg);
- } else {
- camel_exception_clear(ex);
- truth = FALSE;
- }
-
- return truth;
-}
-
-static GPtrArray *
-match_words_messages(CamelFolderSearch *search, struct _camel_search_words *words, CamelException *ex)
-{
- int i;
- GPtrArray *matches = g_ptr_array_new();
-
- if (search->body_index) {
- GPtrArray *indexed;
- struct _camel_search_words *simple;
-
- simple = camel_search_words_simple(words);
- indexed = match_words_index(search, simple, ex);
- camel_search_words_free(simple);
-
- for (i=0;i<indexed->len;i++) {
- const char *uid = g_ptr_array_index(indexed, i);
-
- if (match_words_message(search->folder, uid, words, ex))
- g_ptr_array_add(matches, (char *)uid);
- }
-
- g_ptr_array_free(indexed, TRUE);
- } else {
- for (i=0;i<search->summary->len;i++) {
- CamelMessageInfo *info = g_ptr_array_index(search->summary, i);
- const char *uid = camel_message_info_uid(info);
-
- if (match_words_message(search->folder, uid, words, ex))
- g_ptr_array_add(matches, (char *)uid);
- }
- }
-
- return matches;
-}
-
-static ESExpResult *
-search_body_contains(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- int i, j;
- CamelException *ex = search->priv->ex;
- struct _camel_search_words *words;
- ESExpResult *r;
- struct _glib_sux_donkeys lambdafoo;
-
- if (search->current) {
- int truth = FALSE;
-
- if (argc == 1 && argv[0]->value.string[0] == 0) {
- truth = TRUE;
- } else {
- for (i=0;i<argc && !truth;i++) {
- if (argv[i]->type == ESEXP_RES_STRING) {
- words = camel_search_words_split(argv[i]->value.string);
- truth = TRUE;
- if ((words->type & CAMEL_SEARCH_WORD_COMPLEX) == 0 && search->body_index) {
- for (j=0;j<words->len && truth;j++)
- truth = match_message_index(search->body_index, camel_message_info_uid(search->current), words->words[j]->word, ex);
- } else {
- /* TODO: cache current message incase of multiple body search terms */
- truth = match_words_message(search->folder, camel_message_info_uid(search->current), words, ex);
- }
- camel_search_words_free(words);
- }
- }
- }
- r = e_sexp_result_new(f, ESEXP_RES_BOOL);
- r->value.bool = truth;
- } else {
- r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new();
-
- if (argc == 1 && argv[0]->value.string[0] == 0) {
- for (i=0;i<search->summary->len;i++) {
- CamelMessageInfo *info = g_ptr_array_index(search->summary, i);
-
- g_ptr_array_add(r->value.ptrarray, (char *)camel_message_info_uid(info));
- }
- } else {
- GHashTable *ht = g_hash_table_new(g_str_hash, g_str_equal);
- GPtrArray *matches;
-
- for (i=0;i<argc;i++) {
- if (argv[i]->type == ESEXP_RES_STRING) {
- words = camel_search_words_split(argv[i]->value.string);
- if ((words->type & CAMEL_SEARCH_WORD_COMPLEX) == 0 && search->body_index) {
- matches = match_words_index(search, words, ex);
- } else {
- matches = match_words_messages(search, words, ex);
- }
- for (j=0;j<matches->len;j++)
- g_hash_table_insert(ht, matches->pdata[j], matches->pdata[j]);
- g_ptr_array_free(matches, TRUE);
- camel_search_words_free(words);
- }
- }
- lambdafoo.uids = r->value.ptrarray;
- g_hash_table_foreach(ht, (GHFunc)g_lib_sux_htor, &lambdafoo);
- g_hash_table_destroy(ht);
- }
- }
-
- 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(f, ESEXP_RES_BOOL);
- r->value.bool = truth;
- } else {
- r = e_sexp_result_new(f, 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(f, ESEXP_RES_BOOL);
- r->value.bool = truth;
- } else {
- r = e_sexp_result_new(f, 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)
-{
- const char *value = NULL;
- ESExpResult *r;
-
- r(printf("executing user-tag\n"));
-
- if (argc == 1)
- value = camel_tag_get (&search->current->user_tags, argv[0]->value.string);
-
- r = e_sexp_result_new(f, ESEXP_RES_STRING);
- r->value.string = g_strdup (value ? value : "");
-
- 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(f, ESEXP_RES_INT);
-
- r->value.number = s->current->date_sent;
- } else {
- r = e_sexp_result_new(f, 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(f, ESEXP_RES_INT);
-
- r->value.number = s->current->date_received;
- } else {
- r = e_sexp_result_new(f, 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(f, ESEXP_RES_INT);
- r->value.number = time (NULL);
- return r;
-}
-
-static ESExpResult *
-search_get_size (struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *s)
-{
- ESExpResult *r;
-
- r(printf("executing get-size\n"));
-
- /* are we inside a match-all? */
- if (s->current) {
- r = e_sexp_result_new (f, ESEXP_RES_INT);
- r->value.number = s->current->size / 1024;
- } else {
- r = e_sexp_result_new (f, ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new ();
- }
-
- return r;
-}
-
-static ESExpResult *
-search_uid(struct _ESExp *f, int argc, struct _ESExpResult **argv, CamelFolderSearch *search)
-{
- ESExpResult *r;
- int i;
-
- r(printf("executing uid\n"));
-
- /* are we inside a match-all? */
- if (search->current) {
- int truth = FALSE;
- const char *uid = camel_message_info_uid(search->current);
-
- /* performs an OR of all words */
- for (i=0;i<argc && !truth;i++) {
- if (argv[i]->type == ESEXP_RES_STRING
- && !strcmp(uid, argv[i]->value.string)) {
- truth = TRUE;
- break;
- }
- }
- r = e_sexp_result_new(f, ESEXP_RES_BOOL);
- r->value.bool = truth;
- } else {
- r = e_sexp_result_new(f, ESEXP_RES_ARRAY_PTR);
- r->value.ptrarray = g_ptr_array_new();
- for (i=0;i<argc;i++) {
- if (argv[i]->type == ESEXP_RES_STRING)
- g_ptr_array_add(r->value.ptrarray, argv[i]->value.string);
- }
- }
-
- return r;
-}