libbeagle/beagle/beagle-search-term-response.c

   1 /*
   2  * beagle-search-term-response.c
   3  *
   4  * Copyright (C) 2005 Novell, Inc.
   5  *
   6  */
   7
   8 /*
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included in
  17  * all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  22  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  24  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  25  * DEALINGS IN THE SOFTWARE.
  26  */
  27
  28 #include <stdlib.h>
  29 #include <sys/types.h>
  30 #include <sys/socket.h>
  31 #include <sys/un.h>
  32
  33 #include "beagle-search-term-response.h"
  34 #include "beagle-private.h"
  35 #include "beagle-property.h"
  36
  37 typedef struct {
  38         GSList *exact_text;   /* of string */
  39         GSList *stemmed_text; /* of string */
  40
  41         GSList **current_list; /* points to one of the two above */
  42 } BeagleSearchTermResponsePrivate;
  43
  44 #define BEAGLE_SEARCH_TERM_RESPONSE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), BEAGLE_TYPE_SEARCH_TERM_RESPONSE, BeagleSearchTermResponsePrivate))
  45
  46 static BeagleResponseClass *parent_class = NULL;
  47
  48 G_DEFINE_TYPE (BeagleSearchTermResponse, beagle_search_term_response, BEAGLE_TYPE_RESPONSE)
  49
  50 static void
  51 beagle_search_term_response_finalize (GObject *obj)
  52 {
  53         BeagleSearchTermResponsePrivate *priv = BEAGLE_SEARCH_TERM_RESPONSE_GET_PRIVATE (obj);
  54
  55         /*
  56          * Note, we don't free the lists or their contents here!  This is
  57          * because the BeagleSearchTermResponse is internal to BeagleQuery.
  58          * This response never happens in reply to any other request, and
  59          * the BeagleQuery gets these lists through the get_exact_text()
  60          * and get_stemmed_text() functions below.  They take ownership
  61          * of them.
  62          */
  63
  64         if (G_OBJECT_CLASS (parent_class)->finalize)
  65                 G_OBJECT_CLASS (parent_class)->finalize (obj);
  66 }
  67
  68 static void
  69 start_exact (BeagleParserContext *ctx, const char **attrs)
  70 {
  71         BeagleSearchTermResponse *response = BEAGLE_SEARCH_TERM_RESPONSE (_beagle_parser_context_get_response (ctx));
  72         BeagleSearchTermResponsePrivate *priv = BEAGLE_SEARCH_TERM_RESPONSE_GET_PRIVATE (response);
  73
  74         priv->current_list = &priv->exact_text;
  75 }
  76
  77 static void
  78 start_stemmed (BeagleParserContext *ctx, const char **attrs)
  79 {
  80         BeagleSearchTermResponse *response = BEAGLE_SEARCH_TERM_RESPONSE (_beagle_parser_context_get_response (ctx));
  81         BeagleSearchTermResponsePrivate *priv = BEAGLE_SEARCH_TERM_RESPONSE_GET_PRIVATE (response);
  82
  83         priv->current_list = &priv->stemmed_text;
  84 }
  85
  86 static void
  87 end_text (BeagleParserContext *ctx)
  88 {
  89         BeagleSearchTermResponse *response = BEAGLE_SEARCH_TERM_RESPONSE (_beagle_parser_context_get_response (ctx));
  90         BeagleSearchTermResponsePrivate *priv = BEAGLE_SEARCH_TERM_RESPONSE_GET_PRIVATE (response);
  91
  92         *priv->current_list = g_slist_append (*priv->current_list, _beagle_parser_context_get_text_buffer (ctx));
  93 }
  94
  95 enum {
  96         PARSER_STATE_EXACT,
  97         PARSER_STATE_STEMMED,
  98         PARSER_STATE_TEXT,
  99 };
 100
 101 static BeagleParserHandler parser_handlers[] = {
 102         { "Exact",
 103           -1,
 104           PARSER_STATE_EXACT,
 105           start_exact,
 106           NULL },
 107
 108         { "Stemmed",
 109           -1,
 110           PARSER_STATE_STEMMED,
 111           start_stemmed,
 112           NULL },
 113
 114         { "Text",
 115           PARSER_STATE_EXACT,
 116           PARSER_STATE_TEXT,
 117           NULL,
 118           end_text },
 119
 120         { "Text",
 121           PARSER_STATE_STEMMED,
 122           PARSER_STATE_TEXT,
 123           NULL,
 124           end_text },
 125
 126         { 0 }
 127 };
 128
 129 static void
 130 beagle_search_term_response_class_init (BeagleSearchTermResponseClass *klass)
 131 {
 132         GObjectClass *obj_class = G_OBJECT_CLASS (klass);
 133
 134         parent_class = g_type_class_peek_parent (klass);
 135
 136         obj_class->finalize = beagle_search_term_response_finalize;
 137
 138         _beagle_response_class_set_parser_handlers (BEAGLE_RESPONSE_CLASS (klass),
 139                                                     parser_handlers);
 140
 141         g_type_class_add_private (klass, sizeof (BeagleSearchTermResponsePrivate));
 142 }
 143
 144 static void
 145 beagle_search_term_response_init (BeagleSearchTermResponse *response)
 146 {
 147 }
 148
 149 GSList *
 150 _beagle_search_term_response_get_exact_text (BeagleSearchTermResponse *response)
 151 {
 152         BeagleSearchTermResponsePrivate *priv;
 153
 154         g_return_val_if_fail (BEAGLE_IS_SEARCH_TERM_RESPONSE (response), NULL);
 155
 156         priv = BEAGLE_SEARCH_TERM_RESPONSE_GET_PRIVATE (response);
 157
 158         return priv->exact_text;
 159 }
 160
 161 GSList *
 162 _beagle_search_term_response_get_stemmed_text (BeagleSearchTermResponse *response)
 163 {
 164         BeagleSearchTermResponsePrivate *priv;
 165
 166         g_return_val_if_fail (BEAGLE_IS_SEARCH_TERM_RESPONSE (response), NULL);
 167
 168         priv = BEAGLE_SEARCH_TERM_RESPONSE_GET_PRIVATE (response);
 169
 170         return priv->stemmed_text;
 171 }
 172