1 /* $Id$
2 *
3 * Lasso - A free implementation of the Liberty Alliance specifications.
4 *
5 * Copyright (C) 2004-2007 Entr'ouvert
6 * http://lasso.entrouvert.org
7 *
8 * Authors: See AUTHORS file in top-level directory.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, see <http://www.gnu.org/licenses/>.
22 */
23
24 #include "private.h"
25 #include "dst_query.h"
26 #include "idwsf_strings.h"
27
28 /**
29 * SECTION:dst_query
30 * @short_description: <dst:Query>
31 *
32 * <figure><title>Schema fragment for dst:Query</title>
33 * <programlisting><![CDATA[
34 *
35 * <xs:element name="Query" type="QueryType"/>
36 * <xs:complexType name="QueryType">
37 * <xs:sequence>
38 * <xs:group ref="ResourceIDGroup" minOccurs="0"/>
39 * <xs:element name="QueryItem" maxOccurs="unbounded"/>
40 * <xs:element ref="Extension" minOccurs="0" maxOccurs="unbounded"/>
41 * </xs:sequence>
42 * <xs:attribute name="id" type="xs:ID"/>
43 * <xs:attribute name="itemID" type="IDType"/>
44 * </xs:complexType>
45 *
46 * <xs:simpleType name="IDReferenceType">
47 * <xs:annotation>
48 * <xs:documentation> This type can be used when referring to elements that are
49 * identified using an IDType </xs:documentation>
50 * </xs:annotation>
51 * <xs:restriction base="xs:string"/>
52 * </xs:simpleType>
53 * ]]></programlisting>
54 * </figure>
55 */
56
57 /*****************************************************************************/
58 /* private methods */
59 /*****************************************************************************/
60
61 static struct XmlSnippet schema_snippets[] = {
62 { "ResourceID", SNIPPET_NODE, G_STRUCT_OFFSET(LassoDstQuery, ResourceID), NULL, NULL, NULL},
63 { "EncryptedResourceID", SNIPPET_NODE, G_STRUCT_OFFSET(LassoDstQuery,
64 EncryptedResourceID), NULL, NULL, NULL },
65 { "QueryItem", SNIPPET_LIST_NODES, G_STRUCT_OFFSET(LassoDstQuery, QueryItem), NULL, NULL, NULL},
66 { "Extension", SNIPPET_EXTENSION, G_STRUCT_OFFSET(LassoDstQuery, Extension), NULL, NULL, NULL},
67 { "id", SNIPPET_ATTRIBUTE, G_STRUCT_OFFSET(LassoDstQuery, id), NULL, NULL, NULL},
68 { "itemID", SNIPPET_ATTRIBUTE, G_STRUCT_OFFSET(LassoDstQuery, itemID), NULL, NULL, NULL},
69 {NULL, 0, 0, NULL, NULL, NULL}
70 };
71
72 static LassoNodeClass *parent_class = NULL;
73
74 static void
insure_namespace(xmlNode * xmlnode,xmlNs * ns)75 insure_namespace(xmlNode *xmlnode, xmlNs *ns)
76 {
77 xmlNode *t = xmlnode->children;
78
79 xmlSetNs(xmlnode, ns);
80 while (t) {
81 if (t->type == XML_ELEMENT_NODE && t->ns == NULL) {
82 insure_namespace(t, ns);
83 }
84 t = t->next;
85 }
86 }
87
88 static xmlNode*
get_xmlNode(LassoNode * node,gboolean lasso_dump)89 get_xmlNode(LassoNode *node, gboolean lasso_dump)
90 {
91 xmlNode *xmlnode;
92 xmlNs *ns;
93
94 xmlnode = parent_class->get_xmlNode(node, lasso_dump);
95 ns = xmlNewNs(xmlnode, (xmlChar*)LASSO_DST_QUERY(node)->hrefServiceType,
96 (xmlChar*)LASSO_DST_QUERY(node)->prefixServiceType);
97 insure_namespace(xmlnode, ns);
98
99 return xmlnode;
100 }
101
102 static int
init_from_xml(LassoNode * node,xmlNode * xmlnode)103 init_from_xml(LassoNode *node, xmlNode *xmlnode)
104 {
105 LassoDstQuery *query = LASSO_DST_QUERY(node);
106 int rc = 0;
107
108 rc = parent_class->init_from_xml(node, xmlnode);
109 if (rc) {
110 return rc;
111 }
112
113 query->hrefServiceType = g_strdup((char*)xmlnode->ns->href);
114 query->prefixServiceType = lasso_get_prefix_for_dst_service_href(
115 query->hrefServiceType);
116 if (query->prefixServiceType == NULL) {
117 /* XXX: what to do here ? */
118 }
119
120 return 0;
121 }
122
123 /*****************************************************************************/
124 /* instance and class init functions */
125 /*****************************************************************************/
126
127
128 static void
class_init(LassoDstQueryClass * klass,void * unused G_GNUC_UNUSED)129 class_init(LassoDstQueryClass *klass, void *unused G_GNUC_UNUSED)
130 {
131 LassoNodeClass *nclass = LASSO_NODE_CLASS(klass);
132
133 parent_class = g_type_class_peek_parent(klass);
134 nclass->get_xmlNode = get_xmlNode;
135 nclass->init_from_xml = init_from_xml;
136 nclass->node_data = g_new0(LassoNodeClassData, 1);
137 lasso_node_class_set_nodename(nclass, "Query");
138 lasso_node_class_add_snippets(nclass, schema_snippets);
139 }
140
141 GType
lasso_dst_query_get_type()142 lasso_dst_query_get_type()
143 {
144 static GType this_type = 0;
145
146 if (!this_type) {
147 static const GTypeInfo this_info = {
148 sizeof (LassoDstQueryClass),
149 NULL,
150 NULL,
151 (GClassInitFunc) class_init,
152 NULL,
153 NULL,
154 sizeof(LassoDstQuery),
155 0,
156 NULL,
157 NULL
158 };
159
160 this_type = g_type_register_static(LASSO_TYPE_NODE,
161 "LassoDstQuery", &this_info, 0);
162 }
163 return this_type;
164 }
165
166
167 /**
168 * lasso_dst_query_new:
169 * @query_item: query item to embed in request (optional)
170 *
171 * Creates a new #LassoDstQuery object. If @query_item is set it is added to
172 * the requested query items.
173 *
174 * Return value: a newly created #LassoDstQuery object.
175 **/
176 LassoDstQuery*
lasso_dst_query_new(LassoDstQueryItem * queryItem)177 lasso_dst_query_new(LassoDstQueryItem *queryItem)
178 {
179 LassoDstQuery *query;
180
181 query = g_object_new(LASSO_TYPE_DST_QUERY, NULL);
182
183 if (queryItem) {
184 query->QueryItem = g_list_append(query->QueryItem, queryItem);
185 }
186
187 return query;
188 }
189
190