2 * Schema cache implementation
4 * Copyright 2007 Huw Davies
5 * Copyright 2010 Adam Martinson for CodeWeavers
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
29 # include <libxml/xmlerror.h>
30 # include <libxml/tree.h>
31 # include <libxml/xmlschemas.h>
32 # include <libxml/schemasInternals.h>
33 # include <libxml/hash.h>
34 # include <libxml/parser.h>
35 # include <libxml/parserInternals.h>
36 # include <libxml/xmlIO.h>
37 # include <libxml/xmlversion.h>
38 # include <libxml/xpath.h>
47 #include "wine/debug.h"
49 #include "msxml_private.h"
51 WINE_DEFAULT_DEBUG_CHANNEL(msxml);
53 /* We use a chained hashtable, which can hold any number of schemas
54 * TODO: grow/shrink hashtable depending on load factor
55 * TODO: implement read-only where appropriate
58 /* This is just the number of buckets, should be prime */
59 #define DEFAULT_HASHTABLE_SIZE 17
63 xmlDocPtr XDR_to_XSD_doc(xmlDocPtr xdr_doc, xmlChar const* nsURI);
65 static const xmlChar XSD_schema[] = "schema";
66 static const xmlChar XSD_nsURI[] = "http://www.w3.org/2001/XMLSchema";
67 static const xmlChar XDR_schema[] = "Schema";
68 static const xmlChar XDR_nsURI[] = "urn:schemas-microsoft-com:xml-data";
69 static const xmlChar DT_nsURI[] = "urn:schemas-microsoft-com:datatypes";
71 static xmlChar * datatypes_src;
72 static int datatypes_len;
73 static HGLOBAL datatypes_handle;
74 static HRSRC datatypes_rsrc;
75 static xmlSchemaPtr datatypes_schema;
77 static const WCHAR emptyW[] = {0};
85 * CacheType_NS is a special type used for read-only collection build with
86 * IXMLDOMDocument2::namespaces()
89 CacheEntryType_Invalid,
98 IXMLDOMSchemaCollection2 IXMLDOMSchemaCollection2_iface;
101 MSXML_VERSION version;
102 xmlHashTablePtr cache;
107 VARIANT_BOOL validateOnLoad;
119 /* datatypes lookup stuff
120 * generated with help from gperf */
121 #define DT_MIN_STR_LEN 2
122 #define DT_MAX_STR_LEN 11
123 #define DT_MIN_HASH_VALUE 2
124 #define DT_MAX_HASH_VALUE 115
126 static const xmlChar DT_bin_base64[] = "bin.base64";
127 static const xmlChar DT_bin_hex[] = "bin.hex";
128 static const xmlChar DT_boolean[] = "boolean";
129 static const xmlChar DT_char[] = "char";
130 static const xmlChar DT_date[] = "date";
131 static const xmlChar DT_date_tz[] = "date.tz";
132 static const xmlChar DT_dateTime[] = "dateTime";
133 static const xmlChar DT_dateTime_tz[] = "dateTime.tz";
134 static const xmlChar DT_entity[] = "entity";
135 static const xmlChar DT_entities[] = "entities";
136 static const xmlChar DT_enumeration[] = "enumeration";
137 static const xmlChar DT_fixed_14_4[] = "fixed.14.4";
138 static const xmlChar DT_float[] = "float";
139 static const xmlChar DT_i1[] = "i1";
140 static const xmlChar DT_i2[] = "i2";
141 static const xmlChar DT_i4[] = "i4";
142 static const xmlChar DT_i8[] = "i8";
143 static const xmlChar DT_id[] = "id";
144 static const xmlChar DT_idref[] = "idref";
145 static const xmlChar DT_idrefs[] = "idrefs";
146 static const xmlChar DT_int[] = "int";
147 static const xmlChar DT_nmtoken[] = "nmtoken";
148 static const xmlChar DT_nmtokens[] = "nmtokens";
149 static const xmlChar DT_notation[] = "notation";
150 static const xmlChar DT_number[] = "number";
151 static const xmlChar DT_r4[] = "r4";
152 static const xmlChar DT_r8[] = "r8";
153 static const xmlChar DT_string[] = "string";
154 static const xmlChar DT_time[] = "time";
155 static const xmlChar DT_time_tz[] = "time.tz";
156 static const xmlChar DT_ui1[] = "ui1";
157 static const xmlChar DT_ui2[] = "ui2";
158 static const xmlChar DT_ui4[] = "ui4";
159 static const xmlChar DT_ui8[] = "ui8";
160 static const xmlChar DT_uri[] = "uri";
161 static const xmlChar DT_uuid[] = "uuid";
163 static const OLECHAR wDT_bin_base64[] = {'b','i','n','.','b','a','s','e','6','4',0};
164 static const OLECHAR wDT_bin_hex[] = {'b','i','n','.','h','e','x',0};
165 static const OLECHAR wDT_boolean[] = {'b','o','o','l','e','a','n',0};
166 static const OLECHAR wDT_char[] = {'c','h','a','r',0};
167 static const OLECHAR wDT_date[] = {'d','a','t','e',0};
168 static const OLECHAR wDT_date_tz[] = {'d','a','t','e','.','t','z',0};
169 static const OLECHAR wDT_dateTime[] = {'d','a','t','e','T','i','m','e',0};
170 static const OLECHAR wDT_dateTime_tz[] = {'d','a','t','e','T','i','m','e','.','t','z',0};
171 static const OLECHAR wDT_entity[] = {'e','n','t','i','t','y',0};
172 static const OLECHAR wDT_entities[] = {'e','n','t','i','t','i','e','s',0};
173 static const OLECHAR wDT_enumeration[] = {'e','n','u','m','e','r','a','t','i','o','n',0};
174 static const OLECHAR wDT_fixed_14_4[] = {'f','i','x','e','d','.','1','4','.','4',0};
175 static const OLECHAR wDT_float[] = {'f','l','o','a','t',0};
176 static const OLECHAR wDT_i1[] = {'i','1',0};
177 static const OLECHAR wDT_i2[] = {'i','2',0};
178 static const OLECHAR wDT_i4[] = {'i','4',0};
179 static const OLECHAR wDT_i8[] = {'i','8',0};
180 static const OLECHAR wDT_id[] = {'i','d',0};
181 static const OLECHAR wDT_idref[] = {'i','d','r','e','f',0};
182 static const OLECHAR wDT_idrefs[] = {'i','d','r','e','f','s',0};
183 static const OLECHAR wDT_int[] = {'i','n','t',0};
184 static const OLECHAR wDT_nmtoken[] = {'n','m','t','o','k','e','n',0};
185 static const OLECHAR wDT_nmtokens[] = {'n','m','t','o','k','e','n','s',0};
186 static const OLECHAR wDT_notation[] = {'n','o','t','a','t','i','o','n',0};
187 static const OLECHAR wDT_number[] = {'n','u','m','b','e','r',0};
188 static const OLECHAR wDT_r4[] = {'r','4',0};
189 static const OLECHAR wDT_r8[] = {'r','8',0};
190 static const OLECHAR wDT_string[] = {'s','t','r','i','n','g',0};
191 static const OLECHAR wDT_time[] = {'t','i','m','e',0};
192 static const OLECHAR wDT_time_tz[] = {'t','i','m','e','.','t','z',0};
193 static const OLECHAR wDT_ui1[] = {'u','i','1',0};
194 static const OLECHAR wDT_ui2[] = {'u','i','2',0};
195 static const OLECHAR wDT_ui4[] = {'u','i','4',0};
196 static const OLECHAR wDT_ui8[] = {'u','i','8',0};
197 static const OLECHAR wDT_uri[] = {'u','r','i',0};
198 static const OLECHAR wDT_uuid[] = {'u','u','i','d',0};
200 static const BYTE hash_assoc_values[] =
202 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
203 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
204 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
205 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
206 116, 116, 116, 116, 116, 116, 10, 116, 116, 55,
207 45, 116, 5, 116, 0, 116, 0, 116, 116, 116,
208 116, 116, 116, 116, 116, 5, 0, 0, 20, 0,
209 0, 10, 0, 0, 116, 0, 0, 0, 15, 5,
210 116, 116, 10, 0, 0, 0, 116, 116, 0, 0,
211 10, 116, 116, 116, 116, 116, 116, 5, 0, 0,
212 20, 0, 0, 10, 0, 0, 116, 0, 0, 0,
213 15, 5, 116, 116, 10, 0, 0, 0, 116, 116,
214 0, 0, 10, 116, 116, 116, 116, 116, 116, 116,
215 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
216 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
217 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
218 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
219 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
220 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
221 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
222 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
223 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
224 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
225 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
226 116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
227 116, 116, 116, 116, 116, 116
230 static void LIBXML2_LOG_CALLBACK parser_error(void* ctx, char const* msg, ...)
234 LIBXML2_CALLBACK_ERR(Schema_parse, msg, ap);
238 static void LIBXML2_LOG_CALLBACK parser_warning(void* ctx, char const* msg, ...)
242 LIBXML2_CALLBACK_WARN(Schema_parse, msg, ap);
246 #ifdef HAVE_XMLSCHEMASSETPARSERSTRUCTUREDERRORS
247 static void parser_serror(void* ctx, xmlErrorPtr err)
249 LIBXML2_CALLBACK_SERROR(Schema_parse, err);
253 static inline xmlSchemaPtr Schema_parse(xmlSchemaParserCtxtPtr spctx)
255 TRACE("(%p)\n", spctx);
257 xmlSchemaSetParserErrors(spctx, parser_error, parser_warning, NULL);
258 #ifdef HAVE_XMLSCHEMASSETPARSERSTRUCTUREDERRORS
259 xmlSchemaSetParserStructuredErrors(spctx, parser_serror, NULL);
262 return xmlSchemaParse(spctx);
265 static void LIBXML2_LOG_CALLBACK validate_error(void* ctx, char const* msg, ...)
269 LIBXML2_CALLBACK_ERR(Schema_validate_tree, msg, ap);
273 static void LIBXML2_LOG_CALLBACK validate_warning(void* ctx, char const* msg, ...)
277 LIBXML2_CALLBACK_WARN(Schema_validate_tree, msg, ap);
281 #ifdef HAVE_XMLSCHEMASSETVALIDSTRUCTUREDERRORS
282 static void validate_serror(void* ctx, xmlErrorPtr err)
284 LIBXML2_CALLBACK_SERROR(Schema_validate_tree, err);
288 static HRESULT schema_cache_get_item(IUnknown *iface, LONG index, VARIANT *item)
290 V_VT(item) = VT_BSTR;
291 return IXMLDOMSchemaCollection2_get_namespaceURI((IXMLDOMSchemaCollection2*)iface, index, &V_BSTR(item));
294 static const struct enumvariant_funcs schemacache_enumvariant = {
295 schema_cache_get_item,
299 static inline HRESULT Schema_validate_tree(xmlSchemaPtr schema, xmlNodePtr tree)
301 xmlSchemaValidCtxtPtr svctx;
304 TRACE("(%p, %p)\n", schema, tree);
305 /* TODO: if validateOnLoad property is false,
306 * we probably need to validate the schema here. */
307 svctx = xmlSchemaNewValidCtxt(schema);
308 xmlSchemaSetValidErrors(svctx, validate_error, validate_warning, NULL);
309 #ifdef HAVE_XMLSCHEMASSETVALIDSTRUCTUREDERRORS
310 xmlSchemaSetValidStructuredErrors(svctx, validate_serror, NULL);
313 if (tree->type == XML_DOCUMENT_NODE)
314 err = xmlSchemaValidateDoc(svctx, (xmlDocPtr)tree);
316 err = xmlSchemaValidateOneElement(svctx, tree);
318 xmlSchemaFreeValidCtxt(svctx);
319 return err? S_FALSE : S_OK;
322 static DWORD dt_hash(xmlChar const* str, int len /* calculated if -1 */)
324 DWORD hval = (len == -1)? xmlStrlen(str) : len;
329 hval += hash_assoc_values[str[10]];
332 hval += hash_assoc_values[str[9]];
335 hval += hash_assoc_values[str[8]];
338 hval += hash_assoc_values[str[7]];
341 hval += hash_assoc_values[str[6]];
344 hval += hash_assoc_values[str[5]];
347 hval += hash_assoc_values[str[4]];
350 hval += hash_assoc_values[str[3]];
353 hval += hash_assoc_values[str[2]];
356 hval += hash_assoc_values[str[1]];
359 hval += hash_assoc_values[str[0]];
365 static DWORD dt_hash_bstr(OLECHAR const* bstr, int len /* calculated if -1 */)
367 DWORD hval = (len == -1)? lstrlenW(bstr) : len;
372 hval += (bstr[10] & 0xFF00)? 116 : hash_assoc_values[bstr[10]];
375 hval += (bstr[9] & 0xFF00)? 116 : hash_assoc_values[bstr[9]];
378 hval += (bstr[8] & 0xFF00)? 116 : hash_assoc_values[bstr[8]];
381 hval += (bstr[7] & 0xFF00)? 116 : hash_assoc_values[bstr[7]];
384 hval += (bstr[6] & 0xFF00)? 116 : hash_assoc_values[bstr[6]];
387 hval += (bstr[5] & 0xFF00)? 116 : hash_assoc_values[bstr[5]];
390 hval += (bstr[4] & 0xFF00)? 116 : hash_assoc_values[bstr[4]];
393 hval += (bstr[3] & 0xFF00)? 116 : hash_assoc_values[bstr[3]];
396 hval += (bstr[2] & 0xFF00)? 116 : hash_assoc_values[bstr[2]];
399 hval += (bstr[1] & 0xFF00)? 116 : hash_assoc_values[bstr[1]];
402 hval += (bstr[0] & 0xFF00)? 116 : hash_assoc_values[bstr[0]];
408 static const xmlChar *const DT_string_table[LAST_DT] =
448 static const WCHAR *const DT_wstring_table[LAST_DT] =
488 static const XDR_DT DT_lookup_table[] =
541 -1, -1, -1, -1, -1, -1, -1, -1, -1,
542 -1, -1, -1, -1, -1, -1, -1, -1, -1,
543 -1, -1, -1, -1, -1, -1, -1, -1, -1,
544 -1, -1, -1, -1, -1, -1, -1, -1, -1,
545 -1, -1, -1, -1, -1, -1, -1, -1, -1,
546 -1, -1, -1, -1, -1, -1, -1, -1,
550 XDR_DT str_to_dt(xmlChar const* str, int len /* calculated if -1 */)
552 DWORD hash = dt_hash(str, len);
553 XDR_DT dt = DT_INVALID;
555 if (hash <= DT_MAX_HASH_VALUE)
556 dt = DT_lookup_table[hash];
558 if (dt != DT_INVALID && xmlStrcasecmp(str, DT_string_table[dt]) == 0)
564 XDR_DT bstr_to_dt(OLECHAR const* bstr, int len /* calculated if -1 */)
566 DWORD hash = dt_hash_bstr(bstr, len);
567 XDR_DT dt = DT_INVALID;
569 if (hash <= DT_MAX_HASH_VALUE)
570 dt = DT_lookup_table[hash];
572 if (dt != DT_INVALID && lstrcmpiW(bstr, DT_wstring_table[dt]) == 0)
578 xmlChar const* dt_to_str(XDR_DT dt)
580 if (dt == DT_INVALID)
583 return DT_string_table[dt];
586 OLECHAR const* dt_to_bstr(XDR_DT dt)
588 if (dt == DT_INVALID)
591 return DT_wstring_table[dt];
594 const char* debugstr_dt(XDR_DT dt)
596 return debugstr_a(dt != DT_INVALID ? (const char*)DT_string_table[dt] : NULL);
599 HRESULT dt_validate(XDR_DT dt, xmlChar const* content)
606 TRACE("(dt:%s, %s)\n", debugstr_dt(dt), debugstr_a((char const*)content));
608 if (!datatypes_schema)
610 xmlSchemaParserCtxtPtr spctx;
611 assert(datatypes_src != NULL);
612 spctx = xmlSchemaNewMemParserCtxt((char const*)datatypes_src, datatypes_len);
613 datatypes_schema = Schema_parse(spctx);
614 xmlSchemaFreeParserCtxt(spctx);
650 if (!datatypes_schema)
652 ERR("failed to load schema for urn:schemas-microsoft-com:datatypes, "
653 "you're probably using an old version of libxml2: " LIBXML_DOTTED_VERSION "\n");
655 /* Hopefully they don't need much in the way of XDR datatypes support... */
659 if (content && xmlStrlen(content))
661 tmp_doc = xmlNewDoc(NULL);
662 node = xmlNewChild((xmlNodePtr)tmp_doc, NULL, dt_to_str(dt), content);
663 ns = xmlNewNs(node, DT_nsURI, BAD_CAST "dt");
665 xmlDocSetRootElement(tmp_doc, node);
667 hr = Schema_validate_tree(datatypes_schema, (xmlNodePtr)tmp_doc);
671 { /* probably the node is being created manually and has no content yet */
676 FIXME("need to handle dt:%s\n", debugstr_dt(dt));
681 static inline xmlChar const* get_node_nsURI(xmlNodePtr node)
683 return (node->ns != NULL)? node->ns->href : NULL;
686 static inline cache_entry* get_entry(schema_cache* This, xmlChar const* nsURI)
688 return (!nsURI)? xmlHashLookup(This->cache, BAD_CAST "") :
689 xmlHashLookup(This->cache, nsURI);
692 static inline xmlSchemaPtr get_node_schema(schema_cache* This, xmlNodePtr node)
694 cache_entry* entry = get_entry(This, get_node_nsURI(node));
695 return (!entry)? NULL : entry->schema;
698 static xmlExternalEntityLoader _external_entity_loader;
700 static xmlParserInputPtr external_entity_loader(const char *URL, const char *ID,
701 xmlParserCtxtPtr ctxt)
703 xmlParserInputPtr input;
705 TRACE("(%s %s %p)\n", debugstr_a(URL), debugstr_a(ID), ctxt);
707 assert(MSXML_hInstance != NULL);
708 assert(datatypes_rsrc != NULL);
709 assert(datatypes_handle != NULL);
710 assert(datatypes_src != NULL);
712 /* TODO: if the desired schema is in the cache, load it from there */
713 if (lstrcmpA(URL, "urn:schemas-microsoft-com:datatypes") == 0)
715 TRACE("loading built-in schema for %s\n", URL);
716 input = xmlNewStringInputStream(ctxt, datatypes_src);
720 input = _external_entity_loader(URL, ID, ctxt);
726 void schemasInit(void)
729 if (!(datatypes_rsrc = FindResourceA(MSXML_hInstance, "DATATYPES", "XML")))
731 FIXME("failed to find resource for %s\n", DT_nsURI);
735 if (!(datatypes_handle = LoadResource(MSXML_hInstance, datatypes_rsrc)))
737 FIXME("failed to load resource for %s\n", DT_nsURI);
740 buf = LockResource(datatypes_handle);
741 datatypes_len = SizeofResource(MSXML_hInstance, datatypes_rsrc);
743 /* Resource is loaded as raw data,
744 * need a null-terminated string */
745 while (buf[datatypes_len - 1] != '>') datatypes_len--;
746 datatypes_src = HeapAlloc(GetProcessHeap(), 0, datatypes_len + 1);
747 memcpy(datatypes_src, buf, datatypes_len);
748 datatypes_src[datatypes_len] = 0;
750 if (xmlGetExternalEntityLoader() != external_entity_loader)
752 _external_entity_loader = xmlGetExternalEntityLoader();
753 xmlSetExternalEntityLoader(external_entity_loader);
757 void schemasCleanup(void)
759 xmlSchemaFree(datatypes_schema);
760 HeapFree(GetProcessHeap(), 0, datatypes_src);
761 xmlSetExternalEntityLoader(_external_entity_loader);
764 static LONG cache_entry_add_ref(cache_entry* entry)
766 LONG ref = InterlockedIncrement(&entry->ref);
767 TRACE("(%p)->(%d)\n", entry, ref);
771 static LONG cache_entry_release(cache_entry* entry)
773 LONG ref = InterlockedDecrement(&entry->ref);
774 TRACE("(%p)->(%d)\n", entry, ref);
778 if (entry->type == CacheEntryType_XSD)
780 xmldoc_release(entry->doc);
781 entry->schema->doc = NULL;
782 xmlSchemaFree(entry->schema);
784 else if (entry->type == CacheEntryType_XDR)
786 xmldoc_release(entry->doc);
787 xmldoc_release(entry->schema->doc);
788 entry->schema->doc = NULL;
789 xmlSchemaFree(entry->schema);
797 static const struct IXMLDOMSchemaCollection2Vtbl XMLDOMSchemaCollection2Vtbl;
799 static inline schema_cache* impl_from_IXMLDOMSchemaCollection2(IXMLDOMSchemaCollection2* iface)
801 return CONTAINING_RECORD(iface, schema_cache, IXMLDOMSchemaCollection2_iface);
804 static inline schema_cache* impl_from_IXMLDOMSchemaCollection(IXMLDOMSchemaCollection* iface)
806 return CONTAINING_RECORD(iface, schema_cache, IXMLDOMSchemaCollection2_iface);
809 static inline schema_cache* unsafe_impl_from_IXMLDOMSchemaCollection(IXMLDOMSchemaCollection *iface)
811 return iface->lpVtbl == (void*)&XMLDOMSchemaCollection2Vtbl ? impl_from_IXMLDOMSchemaCollection(iface) : NULL;
814 static inline CacheEntryType cache_type_from_xmlDocPtr(xmlDocPtr schema)
816 xmlNodePtr root = NULL;
818 root = xmlDocGetRootElement(schema);
819 if (root && root->ns)
822 if (xmlStrEqual(root->name, XDR_schema) &&
823 xmlStrEqual(root->ns->href, XDR_nsURI))
825 return CacheEntryType_XDR;
827 else if (xmlStrEqual(root->name, XSD_schema) &&
828 xmlStrEqual(root->ns->href, XSD_nsURI))
830 return CacheEntryType_XSD;
833 return CacheEntryType_Invalid;
836 static BOOL link_datatypes(xmlDocPtr schema)
838 xmlNodePtr root, next, child;
841 assert(xmlGetExternalEntityLoader() == external_entity_loader);
842 root = xmlDocGetRootElement(schema);
846 for (ns = root->nsDef; ns != NULL; ns = ns->next)
848 if (xmlStrEqual(ns->href, DT_nsURI))
855 next = xmlFirstElementChild(root);
856 child = xmlNewChild(root, NULL, BAD_CAST "import", NULL);
857 if (next) child = xmlAddPrevSibling(next, child);
858 xmlSetProp(child, BAD_CAST "namespace", DT_nsURI);
859 xmlSetProp(child, BAD_CAST "schemaLocation", DT_nsURI);
864 static cache_entry* cache_entry_from_xsd_doc(xmlDocPtr doc, xmlChar const* nsURI, MSXML_VERSION v)
866 cache_entry* entry = heap_alloc(sizeof(cache_entry));
867 xmlSchemaParserCtxtPtr spctx;
868 xmlDocPtr new_doc = xmlCopyDoc(doc, 1);
870 link_datatypes(new_doc);
872 /* TODO: if the nsURI is different from the default xmlns or targetNamespace,
873 * do we need to do something special here? */
874 entry->type = CacheEntryType_XSD;
876 spctx = xmlSchemaNewDocParserCtxt(new_doc);
878 if ((entry->schema = Schema_parse(spctx)))
880 xmldoc_init(entry->schema->doc, v);
881 entry->doc = entry->schema->doc;
882 xmldoc_add_ref(entry->doc);
886 FIXME("failed to parse doc\n");
891 xmlSchemaFreeParserCtxt(spctx);
895 static cache_entry* cache_entry_from_xdr_doc(xmlDocPtr doc, xmlChar const* nsURI, MSXML_VERSION version)
897 cache_entry* entry = heap_alloc(sizeof(cache_entry));
898 xmlSchemaParserCtxtPtr spctx;
899 xmlDocPtr new_doc = xmlCopyDoc(doc, 1), xsd_doc = XDR_to_XSD_doc(doc, nsURI);
901 link_datatypes(xsd_doc);
903 entry->type = CacheEntryType_XDR;
905 spctx = xmlSchemaNewDocParserCtxt(xsd_doc);
907 if ((entry->schema = Schema_parse(spctx)))
909 entry->doc = new_doc;
910 xmldoc_init(entry->schema->doc, version);
911 xmldoc_init(entry->doc, version);
912 xmldoc_add_ref(entry->doc);
913 xmldoc_add_ref(entry->schema->doc);
917 FIXME("failed to parse doc\n");
923 xmlSchemaFreeParserCtxt(spctx);
928 static cache_entry* cache_entry_from_url(VARIANT url, xmlChar const* nsURI, MSXML_VERSION version)
931 IXMLDOMDocument3* domdoc = NULL;
932 xmlDocPtr doc = NULL;
933 HRESULT hr = DOMDocument_create(version, NULL, (void**)&domdoc);
934 VARIANT_BOOL b = VARIANT_FALSE;
935 CacheEntryType type = CacheEntryType_Invalid;
939 FIXME("failed to create domdoc\n");
942 assert(domdoc != NULL);
943 assert(V_VT(&url) == VT_BSTR);
945 hr = IXMLDOMDocument3_load(domdoc, url, &b);
948 ERR("IXMLDOMDocument3_load() returned 0x%08x\n", hr);
949 if (b != VARIANT_TRUE)
951 FIXME("Failed to load doc at %s\n", debugstr_w(V_BSTR(&url)));
952 IXMLDOMDocument3_Release(domdoc);
956 doc = xmlNodePtr_from_domnode((IXMLDOMNode*)domdoc, XML_DOCUMENT_NODE)->doc;
957 type = cache_type_from_xmlDocPtr(doc);
961 case CacheEntryType_XSD:
962 entry = cache_entry_from_xsd_doc(doc, nsURI, version);
964 case CacheEntryType_XDR:
965 entry = cache_entry_from_xdr_doc(doc, nsURI, version);
969 FIXME("invalid schema\n");
972 IXMLDOMDocument3_Release(domdoc);
977 static void cache_free(void* data, xmlChar* name /* ignored */)
979 cache_entry_release((cache_entry*)data);
982 /* returns index or -1 if not found */
983 static int cache_free_uri(schema_cache *cache, const xmlChar *uri)
987 for (i = 0; i < cache->count; i++)
988 if (xmlStrEqual(cache->uris[i], uri))
990 heap_free(cache->uris[i]);
997 static void cache_add_entry(schema_cache *cache, const xmlChar *uri, cache_entry *entry)
1001 /* meaning no entry found with this name */
1002 if (xmlHashRemoveEntry(cache->cache, uri, cache_free))
1004 if (cache->count == cache->allocated)
1006 cache->allocated *= 2;
1007 cache->uris = heap_realloc(cache->uris, cache->allocated*sizeof(xmlChar*));
1012 i = cache_free_uri(cache, uri);
1014 cache->uris[i] = heap_strdupxmlChar(uri);
1015 xmlHashAddEntry(cache->cache, uri, entry);
1018 static void cache_remove_entry(schema_cache *cache, const xmlChar *uri)
1020 /* adjust index if entry was really removed */
1021 if (xmlHashRemoveEntry(cache->cache, uri, cache_free) == 0)
1023 int i = cache_free_uri(cache, uri);
1024 if (i == -1) return;
1026 if (i != --cache->count)
1027 memmove(&cache->uris[i], &cache->uris[i+1], (cache->count-i)*sizeof(xmlChar*));
1031 /* This one adds all namespaces defined in document to a cache, without anything
1032 associated with uri obviously.
1033 Unfortunately namespace:: axis implementation in libxml2 differs from what we need,
1034 it uses additional node type to describe namespace definition attribute while
1035 in msxml it's expected to be a normal attribute - as a workaround document is
1036 queried at libxml2 level here. */
1037 HRESULT cache_from_doc_ns(IXMLDOMSchemaCollection2 *iface, xmlnode *node)
1039 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1040 static const xmlChar query[] = "//*/namespace::*";
1041 xmlXPathObjectPtr nodeset;
1042 xmlXPathContextPtr ctxt;
1044 This->read_only = 1;
1046 ctxt = xmlXPathNewContext(node->node->doc);
1048 nodeset = xmlXPathEvalExpression(query, ctxt);
1049 xmlXPathFreeContext(ctxt);
1053 int pos = 0, len = xmlXPathNodeSetGetLength(nodeset->nodesetval);
1055 if (len == 0) return S_OK;
1059 xmlNodePtr node = xmlXPathNodeSetItem(nodeset->nodesetval, pos);
1060 if (node->type == XML_NAMESPACE_DECL)
1062 static const xmlChar defns[] = "http://www.w3.org/XML/1998/namespace";
1063 xmlNsPtr ns = (xmlNsPtr)node;
1066 /* filter out default uri */
1067 if (xmlStrEqual(ns->href, defns))
1073 entry = heap_alloc(sizeof(cache_entry));
1074 entry->type = CacheEntryType_NS;
1076 entry->schema = NULL;
1079 cache_add_entry(This, ns->href, entry);
1084 xmlXPathFreeObject(nodeset);
1090 static HRESULT WINAPI schema_cache_QueryInterface(IXMLDOMSchemaCollection2* iface,
1091 REFIID riid, void** ppvObject)
1093 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1095 TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
1097 if ( IsEqualIID(riid, &IID_IUnknown) ||
1098 IsEqualIID(riid, &IID_IDispatch) ||
1099 IsEqualIID(riid, &IID_IXMLDOMSchemaCollection) ||
1100 IsEqualIID(riid, &IID_IXMLDOMSchemaCollection2) )
1104 else if (dispex_query_interface(&This->dispex, riid, ppvObject))
1106 return *ppvObject ? S_OK : E_NOINTERFACE;
1110 FIXME("interface %s not implemented\n", debugstr_guid(riid));
1112 return E_NOINTERFACE;
1115 IXMLDOMSchemaCollection2_AddRef(iface);
1120 static ULONG WINAPI schema_cache_AddRef(IXMLDOMSchemaCollection2* iface)
1122 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1123 LONG ref = InterlockedIncrement(&This->ref);
1124 TRACE("(%p)->(%d)\n", This, ref);
1128 static ULONG WINAPI schema_cache_Release(IXMLDOMSchemaCollection2* iface)
1130 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1131 LONG ref = InterlockedDecrement(&This->ref);
1132 TRACE("(%p)->(%d)\n", This, ref);
1138 for (i = 0; i < This->count; i++)
1139 heap_free(This->uris[i]);
1140 heap_free(This->uris);
1141 xmlHashFree(This->cache, cache_free);
1142 release_dispex(&This->dispex);
1149 static HRESULT WINAPI schema_cache_GetTypeInfoCount(IXMLDOMSchemaCollection2* iface,
1152 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1153 return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
1156 static HRESULT WINAPI schema_cache_GetTypeInfo(IXMLDOMSchemaCollection2* iface,
1157 UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo)
1159 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1160 return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface,
1161 iTInfo, lcid, ppTInfo);
1164 static HRESULT WINAPI schema_cache_GetIDsOfNames(IXMLDOMSchemaCollection2* iface,
1165 REFIID riid, LPOLESTR* rgszNames,
1166 UINT cNames, LCID lcid, DISPID* rgDispId)
1168 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1169 return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface,
1170 riid, rgszNames, cNames, lcid, rgDispId);
1173 static HRESULT WINAPI schema_cache_Invoke(IXMLDOMSchemaCollection2* iface,
1174 DISPID dispIdMember, REFIID riid, LCID lcid,
1175 WORD wFlags, DISPPARAMS* pDispParams,
1176 VARIANT* pVarResult, EXCEPINFO* pExcepInfo,
1179 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1180 return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface,
1181 dispIdMember, riid, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
1184 static HRESULT WINAPI schema_cache_add(IXMLDOMSchemaCollection2* iface, BSTR uri, VARIANT var)
1186 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1187 xmlChar* name = uri ? xmlchar_from_wchar(uri) : xmlchar_from_wchar(emptyW);
1188 TRACE("(%p)->(%s %s)\n", This, debugstr_w(uri), debugstr_variant(&var));
1190 if (This->read_only) return E_FAIL;
1196 cache_remove_entry(This, name);
1202 cache_entry* entry = cache_entry_from_url(var, name, This->version);
1206 cache_entry_add_ref(entry);
1214 cache_add_entry(This, name, entry);
1220 xmlDocPtr doc = NULL;
1222 CacheEntryType type;
1223 IXMLDOMNode* domnode = NULL;
1224 IDispatch_QueryInterface(V_DISPATCH(&var), &IID_IXMLDOMNode, (void**)&domnode);
1227 doc = xmlNodePtr_from_domnode(domnode, XML_DOCUMENT_NODE)->doc;
1231 IXMLDOMNode_Release(domnode);
1233 return E_INVALIDARG;
1235 type = cache_type_from_xmlDocPtr(doc);
1237 if (type == CacheEntryType_XSD)
1239 entry = cache_entry_from_xsd_doc(doc, name, This->version);
1241 else if (type == CacheEntryType_XDR)
1243 entry = cache_entry_from_xdr_doc(doc, name, This->version);
1247 WARN("invalid schema!\n");
1251 IXMLDOMNode_Release(domnode);
1255 cache_entry_add_ref(entry);
1263 cache_add_entry(This, name, entry);
1270 return E_INVALIDARG;
1277 static HRESULT WINAPI schema_cache_get(IXMLDOMSchemaCollection2* iface, BSTR uri,
1280 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1284 TRACE("(%p)->(%s %p)\n", This, debugstr_w(uri), node);
1286 if (This->version == MSXML6) return E_NOTIMPL;
1291 name = uri ? xmlchar_from_wchar(uri) : xmlchar_from_wchar(emptyW);
1292 entry = (cache_entry*) xmlHashLookup(This->cache, name);
1295 /* TODO: this should be read-only */
1296 if (entry && entry->doc)
1297 return get_domdoc_from_xmldoc(entry->doc, (IXMLDOMDocument3**)node);
1303 static HRESULT WINAPI schema_cache_remove(IXMLDOMSchemaCollection2* iface, BSTR uri)
1305 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1306 xmlChar* name = uri ? xmlchar_from_wchar(uri) : xmlchar_from_wchar(emptyW);
1307 TRACE("(%p)->(%s)\n", This, debugstr_w(uri));
1309 if (This->version == MSXML6) return E_NOTIMPL;
1311 cache_remove_entry(This, name);
1316 static HRESULT WINAPI schema_cache_get_length(IXMLDOMSchemaCollection2* iface, LONG* length)
1318 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1319 TRACE("(%p)->(%p)\n", This, length);
1324 *length = This->count;
1328 static HRESULT WINAPI schema_cache_get_namespaceURI(IXMLDOMSchemaCollection2* iface,
1329 LONG index, BSTR* uri)
1331 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1333 TRACE("(%p)->(%i %p)\n", This, index, uri);
1338 if (index >= This->count)
1341 *uri = bstr_from_xmlChar(This->uris[index]);
1345 static void cache_copy(void* data, void* dest, xmlChar* name)
1347 schema_cache* This = (schema_cache*) dest;
1348 cache_entry* entry = (cache_entry*) data;
1350 if (xmlHashLookup(This->cache, name) == NULL)
1352 cache_entry_add_ref(entry);
1353 cache_add_entry(This, name, entry);
1357 static HRESULT WINAPI schema_cache_addCollection(IXMLDOMSchemaCollection2* iface,
1358 IXMLDOMSchemaCollection* collection)
1360 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1363 TRACE("(%p)->(%p)\n", This, collection);
1368 That = unsafe_impl_from_IXMLDOMSchemaCollection(collection);
1371 ERR("external collection implementation\n");
1375 /* TODO: detect errors while copying & return E_FAIL */
1376 xmlHashScan(That->cache, cache_copy, This);
1381 static HRESULT WINAPI schema_cache_get__newEnum(IXMLDOMSchemaCollection2* iface, IUnknown** enumv)
1383 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1384 TRACE("(%p)->(%p)\n", This, enumv);
1385 return create_enumvariant((IUnknown*)iface, TRUE, &schemacache_enumvariant, (IEnumVARIANT**)enumv);
1388 static HRESULT WINAPI schema_cache_validate(IXMLDOMSchemaCollection2* iface)
1390 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1391 FIXME("(%p): stub\n", This);
1395 static HRESULT WINAPI schema_cache_put_validateOnLoad(IXMLDOMSchemaCollection2* iface,
1398 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1399 FIXME("(%p)->(%d): stub\n", This, value);
1401 This->validateOnLoad = value;
1402 /* it's ok to disable it, cause we don't validate on load anyway */
1403 if (value == VARIANT_FALSE) return S_OK;
1408 static HRESULT WINAPI schema_cache_get_validateOnLoad(IXMLDOMSchemaCollection2* iface,
1409 VARIANT_BOOL* value)
1411 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1412 TRACE("(%p)->(%p)\n", This, value);
1414 if (!value) return E_POINTER;
1415 *value = This->validateOnLoad;
1420 static HRESULT WINAPI schema_cache_getSchema(IXMLDOMSchemaCollection2* iface,
1421 BSTR namespaceURI, ISchema** schema)
1423 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1424 FIXME("(%p)->(%s %p): stub\n", This, debugstr_w(namespaceURI), schema);
1430 static HRESULT WINAPI schema_cache_getDeclaration(IXMLDOMSchemaCollection2* iface,
1431 IXMLDOMNode* node, ISchemaItem** item)
1433 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1434 FIXME("(%p)->(%p %p): stub\n", This, node, item);
1440 static const struct IXMLDOMSchemaCollection2Vtbl XMLDOMSchemaCollection2Vtbl =
1442 schema_cache_QueryInterface,
1443 schema_cache_AddRef,
1444 schema_cache_Release,
1445 schema_cache_GetTypeInfoCount,
1446 schema_cache_GetTypeInfo,
1447 schema_cache_GetIDsOfNames,
1448 schema_cache_Invoke,
1451 schema_cache_remove,
1452 schema_cache_get_length,
1453 schema_cache_get_namespaceURI,
1454 schema_cache_addCollection,
1455 schema_cache_get__newEnum,
1456 schema_cache_validate,
1457 schema_cache_put_validateOnLoad,
1458 schema_cache_get_validateOnLoad,
1459 schema_cache_getSchema,
1460 schema_cache_getDeclaration
1463 static xmlSchemaElementPtr lookup_schema_elemDecl(xmlSchemaPtr schema, xmlNodePtr node)
1465 xmlSchemaElementPtr decl = NULL;
1466 xmlChar const* nsURI = get_node_nsURI(node);
1468 TRACE("(%p, %p)\n", schema, node);
1470 if (xmlStrEqual(nsURI, schema->targetNamespace))
1471 decl = xmlHashLookup(schema->elemDecl, node->name);
1473 if (!decl && xmlHashSize(schema->schemasImports) > 1)
1475 FIXME("declaration not found in main schema - need to check schema imports!\n");
1476 /*xmlSchemaImportPtr import;
1478 import = xmlHashLookup(schema->schemasImports, XML_SCHEMAS_NO_NAMESPACE);
1480 import = xmlHashLookup(schema->schemasImports, node->ns->href);
1483 decl = xmlHashLookup(import->schema->elemDecl, node->name);*/
1489 static inline xmlNodePtr lookup_schema_element(xmlSchemaPtr schema, xmlNodePtr node)
1491 xmlSchemaElementPtr decl = lookup_schema_elemDecl(schema, node);
1492 while (decl != NULL && decl->refDecl != NULL)
1493 decl = decl->refDecl;
1494 return (decl != NULL)? decl->node : NULL;
1497 HRESULT SchemaCache_validate_tree(IXMLDOMSchemaCollection2* iface, xmlNodePtr tree)
1499 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1500 xmlSchemaPtr schema;
1502 TRACE("(%p, %p)\n", This, tree);
1507 if (tree->type == XML_DOCUMENT_NODE)
1508 tree = xmlDocGetRootElement(tree->doc);
1510 schema = get_node_schema(This, tree);
1511 /* TODO: if the ns is not in the cache, and it's a URL,
1512 * do we try to load from that? */
1514 return Schema_validate_tree(schema, tree);
1516 WARN("no schema found for xmlns=%s\n", get_node_nsURI(tree));
1521 XDR_DT SchemaCache_get_node_dt(IXMLDOMSchemaCollection2* iface, xmlNodePtr node)
1523 schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
1524 xmlSchemaPtr schema = get_node_schema(This, node);
1525 XDR_DT dt = DT_INVALID;
1527 TRACE("(%p, %p)\n", This, node);
1529 if (node->ns && xmlStrEqual(node->ns->href, DT_nsURI))
1531 dt = str_to_dt(node->name, -1);
1536 xmlNodePtr schema_node = lookup_schema_element(schema, node);
1538 str = xmlGetNsProp(schema_node, BAD_CAST "dt", DT_nsURI);
1541 dt = str_to_dt(str, -1);
1549 static const tid_t schemacache_iface_tids[] = {
1550 IXMLDOMSchemaCollection2_tid,
1554 static dispex_static_data_t schemacache_dispex = {
1556 IXMLDOMSchemaCollection2_tid,
1558 schemacache_iface_tids
1561 HRESULT SchemaCache_create(MSXML_VERSION version, IUnknown* outer, void** obj)
1563 schema_cache* This = heap_alloc(sizeof(schema_cache));
1565 return E_OUTOFMEMORY;
1567 TRACE("(%d %p %p)\n", version, outer, obj);
1569 This->IXMLDOMSchemaCollection2_iface.lpVtbl = &XMLDOMSchemaCollection2Vtbl;
1570 This->cache = xmlHashCreate(DEFAULT_HASHTABLE_SIZE);
1571 This->allocated = 10;
1573 This->uris = heap_alloc(This->allocated*sizeof(xmlChar*));
1575 This->version = version;
1576 This->validateOnLoad = VARIANT_TRUE;
1577 This->read_only = 0;
1578 init_dispex(&This->dispex, (IUnknown*)&This->IXMLDOMSchemaCollection2_iface, &schemacache_dispex);
1580 *obj = &This->IXMLDOMSchemaCollection2_iface;
1586 HRESULT SchemaCache_create(MSXML_VERSION version, IUnknown* outer, void** obj)
1588 MESSAGE("This program tried to use a SchemaCache object, but\n"
1589 "libxml2 support was not present at compile time.\n");