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reactos/dll/win32/msxml3/schema.c
Thomas Faber b4a8afe55d
[MSXML3] Handle libxml2 API breakage. CORE-15280 
Imports Wine commit 2a8719d280c.
2019-01-16 09:27:30 +01:00

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/*
* Schema cache implementation
*
* Copyright 2007 Huw Davies
* Copyright 2010 Adam Martinson for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#include "config.h"
#include <assert.h>
#include <stdarg.h>
#ifdef HAVE_LIBXML2
# include <libxml/xmlerror.h>
# include <libxml/tree.h>
# include <libxml/xmlschemas.h>
# include <libxml/schemasInternals.h>
# include <libxml/hash.h>
# include <libxml/parser.h>
# include <libxml/parserInternals.h>
# include <libxml/xmlIO.h>
# include <libxml/xmlversion.h>
# include <libxml/xpath.h>
#endif
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "ole2.h"
#include "msxml6.h"
#include "wine/debug.h"
#include "msxml_private.h"
#ifdef HAVE_LIBXML2
WINE_DEFAULT_DEBUG_CHANNEL(msxml);
#if LIBXML_VERSION >= 20908
#define XMLHASH_CONST const
#else
#define XMLHASH_CONST
#endif
/* We use a chained hashtable, which can hold any number of schemas
* TODO: grow/shrink hashtable depending on load factor
* TODO: implement read-only where appropriate
*/
/* This is just the number of buckets, should be prime */
#define DEFAULT_HASHTABLE_SIZE 17
xmlDocPtr XDR_to_XSD_doc(xmlDocPtr xdr_doc, xmlChar const* nsURI);
static const xmlChar XSD_schema[] = "schema";
static const xmlChar XSD_nsURI[] = "http://www.w3.org/2001/XMLSchema";
static const xmlChar XDR_schema[] = "Schema";
static const xmlChar XDR_nsURI[] = "urn:schemas-microsoft-com:xml-data";
static const xmlChar DT_nsURI[] = "urn:schemas-microsoft-com:datatypes";
static xmlChar * datatypes_src;
static int datatypes_len;
static HGLOBAL datatypes_handle;
static HRSRC datatypes_rsrc;
static xmlSchemaPtr datatypes_schema;
static const WCHAR emptyW[] = {0};
/* Supported types:
* msxml3 - XDR only
* msxml4 - XDR & XSD
* msxml5 - XDR & XSD
* mxsml6 - XSD only
*
* CacheType_NS is a special type used for read-only collection build with
* IXMLDOMDocument2::namespaces()
*/
typedef enum {
CacheEntryType_Invalid,
CacheEntryType_XDR,
CacheEntryType_XSD,
CacheEntryType_NS
} CacheEntryType;
typedef struct
{
DispatchEx dispex;
IXMLDOMSchemaCollection2 IXMLDOMSchemaCollection2_iface;
LONG ref;
MSXML_VERSION version;
xmlHashTablePtr cache;
xmlChar **uris;
int allocated;
int count;
VARIANT_BOOL validateOnLoad;
int read_only;
} schema_cache;
typedef struct
{
CacheEntryType type;
xmlSchemaPtr schema;
xmlDocPtr doc;
LONG ref;
} cache_entry;
static const tid_t schema_cache_se_tids[] = {
IXMLDOMSchemaCollection_tid,
IXMLDOMSchemaCollection2_tid,
NULL_tid
};
/* datatypes lookup stuff
* generated with help from gperf */
#define DT_MIN_STR_LEN 2
#define DT_MAX_STR_LEN 11
#define DT_MIN_HASH_VALUE 2
#define DT_MAX_HASH_VALUE 115
static const xmlChar DT_bin_base64[] = "bin.base64";
static const xmlChar DT_bin_hex[] = "bin.hex";
static const xmlChar DT_boolean[] = "boolean";
static const xmlChar DT_char[] = "char";
static const xmlChar DT_date[] = "date";
static const xmlChar DT_date_tz[] = "date.tz";
static const xmlChar DT_dateTime[] = "dateTime";
static const xmlChar DT_dateTime_tz[] = "dateTime.tz";
static const xmlChar DT_entity[] = "entity";
static const xmlChar DT_entities[] = "entities";
static const xmlChar DT_enumeration[] = "enumeration";
static const xmlChar DT_fixed_14_4[] = "fixed.14.4";
static const xmlChar DT_float[] = "float";
static const xmlChar DT_i1[] = "i1";
static const xmlChar DT_i2[] = "i2";
static const xmlChar DT_i4[] = "i4";
static const xmlChar DT_i8[] = "i8";
static const xmlChar DT_id[] = "id";
static const xmlChar DT_idref[] = "idref";
static const xmlChar DT_idrefs[] = "idrefs";
static const xmlChar DT_int[] = "int";
static const xmlChar DT_nmtoken[] = "nmtoken";
static const xmlChar DT_nmtokens[] = "nmtokens";
static const xmlChar DT_notation[] = "notation";
static const xmlChar DT_number[] = "number";
static const xmlChar DT_r4[] = "r4";
static const xmlChar DT_r8[] = "r8";
static const xmlChar DT_string[] = "string";
static const xmlChar DT_time[] = "time";
static const xmlChar DT_time_tz[] = "time.tz";
static const xmlChar DT_ui1[] = "ui1";
static const xmlChar DT_ui2[] = "ui2";
static const xmlChar DT_ui4[] = "ui4";
static const xmlChar DT_ui8[] = "ui8";
static const xmlChar DT_uri[] = "uri";
static const xmlChar DT_uuid[] = "uuid";
static const OLECHAR wDT_bin_base64[] = {'b','i','n','.','b','a','s','e','6','4',0};
static const OLECHAR wDT_bin_hex[] = {'b','i','n','.','h','e','x',0};
static const OLECHAR wDT_boolean[] = {'b','o','o','l','e','a','n',0};
static const OLECHAR wDT_char[] = {'c','h','a','r',0};
static const OLECHAR wDT_date[] = {'d','a','t','e',0};
static const OLECHAR wDT_date_tz[] = {'d','a','t','e','.','t','z',0};
static const OLECHAR wDT_dateTime[] = {'d','a','t','e','T','i','m','e',0};
static const OLECHAR wDT_dateTime_tz[] = {'d','a','t','e','T','i','m','e','.','t','z',0};
static const OLECHAR wDT_entity[] = {'e','n','t','i','t','y',0};
static const OLECHAR wDT_entities[] = {'e','n','t','i','t','i','e','s',0};
static const OLECHAR wDT_enumeration[] = {'e','n','u','m','e','r','a','t','i','o','n',0};
static const OLECHAR wDT_fixed_14_4[] = {'f','i','x','e','d','.','1','4','.','4',0};
static const OLECHAR wDT_float[] = {'f','l','o','a','t',0};
static const OLECHAR wDT_i1[] = {'i','1',0};
static const OLECHAR wDT_i2[] = {'i','2',0};
static const OLECHAR wDT_i4[] = {'i','4',0};
static const OLECHAR wDT_i8[] = {'i','8',0};
static const OLECHAR wDT_id[] = {'i','d',0};
static const OLECHAR wDT_idref[] = {'i','d','r','e','f',0};
static const OLECHAR wDT_idrefs[] = {'i','d','r','e','f','s',0};
static const OLECHAR wDT_int[] = {'i','n','t',0};
static const OLECHAR wDT_nmtoken[] = {'n','m','t','o','k','e','n',0};
static const OLECHAR wDT_nmtokens[] = {'n','m','t','o','k','e','n','s',0};
static const OLECHAR wDT_notation[] = {'n','o','t','a','t','i','o','n',0};
static const OLECHAR wDT_number[] = {'n','u','m','b','e','r',0};
static const OLECHAR wDT_r4[] = {'r','4',0};
static const OLECHAR wDT_r8[] = {'r','8',0};
static const OLECHAR wDT_string[] = {'s','t','r','i','n','g',0};
static const OLECHAR wDT_time[] = {'t','i','m','e',0};
static const OLECHAR wDT_time_tz[] = {'t','i','m','e','.','t','z',0};
static const OLECHAR wDT_ui1[] = {'u','i','1',0};
static const OLECHAR wDT_ui2[] = {'u','i','2',0};
static const OLECHAR wDT_ui4[] = {'u','i','4',0};
static const OLECHAR wDT_ui8[] = {'u','i','8',0};
static const OLECHAR wDT_uri[] = {'u','r','i',0};
static const OLECHAR wDT_uuid[] = {'u','u','i','d',0};
static const BYTE hash_assoc_values[] =
{
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 10, 116, 116, 55,
45, 116, 5, 116, 0, 116, 0, 116, 116, 116,
116, 116, 116, 116, 116, 5, 0, 0, 20, 0,
0, 10, 0, 0, 116, 0, 0, 0, 15, 5,
116, 116, 10, 0, 0, 0, 116, 116, 0, 0,
10, 116, 116, 116, 116, 116, 116, 5, 0, 0,
20, 0, 0, 10, 0, 0, 116, 0, 0, 0,
15, 5, 116, 116, 10, 0, 0, 0, 116, 116,
0, 0, 10, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116, 116, 116, 116, 116,
116, 116, 116, 116, 116, 116
};
static void LIBXML2_LOG_CALLBACK parser_error(void* ctx, char const* msg, ...)
{
va_list ap;
va_start(ap, msg);
LIBXML2_CALLBACK_ERR(Schema_parse, msg, ap);
va_end(ap);
}
static void LIBXML2_LOG_CALLBACK parser_warning(void* ctx, char const* msg, ...)
{
va_list ap;
va_start(ap, msg);
LIBXML2_CALLBACK_WARN(Schema_parse, msg, ap);
va_end(ap);
}
#ifdef HAVE_XMLSCHEMASSETPARSERSTRUCTUREDERRORS
static void parser_serror(void* ctx, xmlErrorPtr err)
{
LIBXML2_CALLBACK_SERROR(Schema_parse, err);
}
#endif
static inline xmlSchemaPtr Schema_parse(xmlSchemaParserCtxtPtr spctx)
{
TRACE("(%p)\n", spctx);
xmlSchemaSetParserErrors(spctx, parser_error, parser_warning, NULL);
#ifdef HAVE_XMLSCHEMASSETPARSERSTRUCTUREDERRORS
xmlSchemaSetParserStructuredErrors(spctx, parser_serror, NULL);
#endif
return xmlSchemaParse(spctx);
}
static void LIBXML2_LOG_CALLBACK validate_error(void* ctx, char const* msg, ...)
{
va_list ap;
va_start(ap, msg);
LIBXML2_CALLBACK_ERR(Schema_validate_tree, msg, ap);
va_end(ap);
}
static void LIBXML2_LOG_CALLBACK validate_warning(void* ctx, char const* msg, ...)
{
va_list ap;
va_start(ap, msg);
LIBXML2_CALLBACK_WARN(Schema_validate_tree, msg, ap);
va_end(ap);
}
#ifdef HAVE_XMLSCHEMASSETVALIDSTRUCTUREDERRORS
static void validate_serror(void* ctx, xmlErrorPtr err)
{
LIBXML2_CALLBACK_SERROR(Schema_validate_tree, err);
}
#endif
static HRESULT schema_cache_get_item(IUnknown *iface, LONG index, VARIANT *item)
{
V_VT(item) = VT_BSTR;
return IXMLDOMSchemaCollection2_get_namespaceURI((IXMLDOMSchemaCollection2*)iface, index, &V_BSTR(item));
}
static const struct enumvariant_funcs schemacache_enumvariant = {
schema_cache_get_item,
NULL
};
static inline HRESULT Schema_validate_tree(xmlSchemaPtr schema, xmlNodePtr tree)
{
xmlSchemaValidCtxtPtr svctx;
int err;
TRACE("(%p, %p)\n", schema, tree);
/* TODO: if validateOnLoad property is false,
* we probably need to validate the schema here. */
svctx = xmlSchemaNewValidCtxt(schema);
xmlSchemaSetValidErrors(svctx, validate_error, validate_warning, NULL);
#ifdef HAVE_XMLSCHEMASSETVALIDSTRUCTUREDERRORS
xmlSchemaSetValidStructuredErrors(svctx, validate_serror, NULL);
#endif
if (tree->type == XML_DOCUMENT_NODE)
err = xmlSchemaValidateDoc(svctx, (xmlDocPtr)tree);
else
err = xmlSchemaValidateOneElement(svctx, tree);
xmlSchemaFreeValidCtxt(svctx);
return err? S_FALSE : S_OK;
}
static DWORD dt_hash(xmlChar const* str, int len /* calculated if -1 */)
{
DWORD hval = (len == -1)? xmlStrlen(str) : len;
switch (hval)
{
default:
hval += hash_assoc_values[str[10]];
/*FALLTHROUGH*/
case 10:
hval += hash_assoc_values[str[9]];
/*FALLTHROUGH*/
case 9:
hval += hash_assoc_values[str[8]];
/*FALLTHROUGH*/
case 8:
hval += hash_assoc_values[str[7]];
/*FALLTHROUGH*/
case 7:
hval += hash_assoc_values[str[6]];
/*FALLTHROUGH*/
case 6:
hval += hash_assoc_values[str[5]];
/*FALLTHROUGH*/
case 5:
hval += hash_assoc_values[str[4]];
/*FALLTHROUGH*/
case 4:
hval += hash_assoc_values[str[3]];
/*FALLTHROUGH*/
case 3:
hval += hash_assoc_values[str[2]];
/*FALLTHROUGH*/
case 2:
hval += hash_assoc_values[str[1]];
/*FALLTHROUGH*/
case 1:
hval += hash_assoc_values[str[0]];
break;
}
return hval;
}
static DWORD dt_hash_bstr(OLECHAR const* bstr, int len /* calculated if -1 */)
{
DWORD hval = (len == -1)? lstrlenW(bstr) : len;
switch (hval)
{
default:
hval += (bstr[10] & 0xFF00)? 116 : hash_assoc_values[bstr[10]];
/*FALLTHROUGH*/
case 10:
hval += (bstr[9] & 0xFF00)? 116 : hash_assoc_values[bstr[9]];
/*FALLTHROUGH*/
case 9:
hval += (bstr[8] & 0xFF00)? 116 : hash_assoc_values[bstr[8]];
/*FALLTHROUGH*/
case 8:
hval += (bstr[7] & 0xFF00)? 116 : hash_assoc_values[bstr[7]];
/*FALLTHROUGH*/
case 7:
hval += (bstr[6] & 0xFF00)? 116 : hash_assoc_values[bstr[6]];
/*FALLTHROUGH*/
case 6:
hval += (bstr[5] & 0xFF00)? 116 : hash_assoc_values[bstr[5]];
/*FALLTHROUGH*/
case 5:
hval += (bstr[4] & 0xFF00)? 116 : hash_assoc_values[bstr[4]];
/*FALLTHROUGH*/
case 4:
hval += (bstr[3] & 0xFF00)? 116 : hash_assoc_values[bstr[3]];
/*FALLTHROUGH*/
case 3:
hval += (bstr[2] & 0xFF00)? 116 : hash_assoc_values[bstr[2]];
/*FALLTHROUGH*/
case 2:
hval += (bstr[1] & 0xFF00)? 116 : hash_assoc_values[bstr[1]];
/*FALLTHROUGH*/
case 1:
hval += (bstr[0] & 0xFF00)? 116 : hash_assoc_values[bstr[0]];
break;
}
return hval;
}
static const xmlChar *const DT_string_table[LAST_DT] =
{
DT_bin_base64,
DT_bin_hex,
DT_boolean,
DT_char,
DT_date,
DT_date_tz,
DT_dateTime,
DT_dateTime_tz,
DT_entity,
DT_entities,
DT_enumeration,
DT_fixed_14_4,
DT_float,
DT_i1,
DT_i2,
DT_i4,
DT_i8,
DT_id,
DT_idref,
DT_idrefs,
DT_int,
DT_nmtoken,
DT_nmtokens,
DT_notation,
DT_number,
DT_r4,
DT_r8,
DT_string,
DT_time,
DT_time_tz,
DT_ui1,
DT_ui2,
DT_ui4,
DT_ui8,
DT_uri,
DT_uuid
};
static const WCHAR *const DT_wstring_table[LAST_DT] =
{
wDT_bin_base64,
wDT_bin_hex,
wDT_boolean,
wDT_char,
wDT_date,
wDT_date_tz,
wDT_dateTime,
wDT_dateTime_tz,
wDT_entity,
wDT_entities,
wDT_enumeration,
wDT_fixed_14_4,
wDT_float,
wDT_i1,
wDT_i2,
wDT_i4,
wDT_i8,
wDT_id,
wDT_idref,
wDT_idrefs,
wDT_int,
wDT_nmtoken,
wDT_nmtokens,
wDT_notation,
wDT_number,
wDT_r4,
wDT_r8,
wDT_string,
wDT_time,
wDT_time_tz,
wDT_ui1,
wDT_ui2,
wDT_ui4,
wDT_ui8,
wDT_uri,
wDT_uuid
};
static const XDR_DT DT_lookup_table[] =
{
-1, -1,
DT_I8,
DT_UI8,
DT_TIME,
-1, -1,
DT_I4,
DT_UI4,
-1, -1, -1,
DT_R8,
DT_URI,
-1,
DT_FLOAT,
-1,
DT_R4,
DT_INT,
DT_CHAR,
-1,
DT_ENTITY,
DT_ID,
DT_ENTITIES,
DT_UUID,
-1, -1,
DT_TIME_TZ,
-1,
DT_DATE,
-1,
DT_NUMBER,
DT_BIN_HEX,
DT_DATETIME,
-1,
DT_IDREF,
DT_IDREFS,
DT_BOOLEAN,
-1, -1, -1,
DT_STRING,
DT_NMTOKEN,
DT_NMTOKENS,
-1,
DT_BIN_BASE64,
-1,
DT_I2,
DT_UI2,
-1, -1, -1,
DT_DATE_TZ,
DT_NOTATION,
-1, -1,
DT_DATETIME_TZ,
DT_I1,
DT_UI1,
-1, -1,
DT_ENUMERATION,
-1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1,
DT_FIXED_14_4
};
XDR_DT str_to_dt(xmlChar const* str, int len /* calculated if -1 */)
{
DWORD hash = dt_hash(str, len);
XDR_DT dt = DT_INVALID;
if (hash <= DT_MAX_HASH_VALUE)
dt = DT_lookup_table[hash];
if (dt != DT_INVALID && xmlStrcasecmp(str, DT_string_table[dt]) == 0)
return dt;
return DT_INVALID;
}
XDR_DT bstr_to_dt(OLECHAR const* bstr, int len /* calculated if -1 */)
{
DWORD hash = dt_hash_bstr(bstr, len);
XDR_DT dt = DT_INVALID;
if (hash <= DT_MAX_HASH_VALUE)
dt = DT_lookup_table[hash];
if (dt != DT_INVALID && lstrcmpiW(bstr, DT_wstring_table[dt]) == 0)
return dt;
return DT_INVALID;
}
xmlChar const* dt_to_str(XDR_DT dt)
{
if (dt == DT_INVALID)
return NULL;
return DT_string_table[dt];
}
OLECHAR const* dt_to_bstr(XDR_DT dt)
{
if (dt == DT_INVALID)
return NULL;
return DT_wstring_table[dt];
}
const char* debugstr_dt(XDR_DT dt)
{
return debugstr_a(dt != DT_INVALID ? (const char*)DT_string_table[dt] : NULL);
}
HRESULT dt_validate(XDR_DT dt, xmlChar const* content)
{
xmlDocPtr tmp_doc;
xmlNodePtr node;
xmlNsPtr ns;
HRESULT hr;
TRACE("(dt:%s, %s)\n", debugstr_dt(dt), debugstr_a((char const*)content));
if (!datatypes_schema)
{
xmlSchemaParserCtxtPtr spctx;
assert(datatypes_src != NULL);
spctx = xmlSchemaNewMemParserCtxt((char const*)datatypes_src, datatypes_len);
datatypes_schema = Schema_parse(spctx);
xmlSchemaFreeParserCtxt(spctx);
}
switch (dt)
{
case DT_INVALID:
return E_FAIL;
case DT_BIN_BASE64:
case DT_BIN_HEX:
case DT_BOOLEAN:
case DT_CHAR:
case DT_DATE:
case DT_DATE_TZ:
case DT_DATETIME:
case DT_DATETIME_TZ:
case DT_FIXED_14_4:
case DT_FLOAT:
case DT_I1:
case DT_I2:
case DT_I4:
case DT_I8:
case DT_INT:
case DT_NMTOKEN:
case DT_NMTOKENS:
case DT_NUMBER:
case DT_R4:
case DT_R8:
case DT_STRING:
case DT_TIME:
case DT_TIME_TZ:
case DT_UI1:
case DT_UI2:
case DT_UI4:
case DT_UI8:
case DT_URI:
case DT_UUID:
if (!datatypes_schema)
{
ERR("failed to load schema for urn:schemas-microsoft-com:datatypes, "
"you're probably using an old version of libxml2: " LIBXML_DOTTED_VERSION "\n");
/* Hopefully they don't need much in the way of XDR datatypes support... */
return S_OK;
}
if (content && xmlStrlen(content))
{
tmp_doc = xmlNewDoc(NULL);
node = xmlNewChild((xmlNodePtr)tmp_doc, NULL, dt_to_str(dt), content);
ns = xmlNewNs(node, DT_nsURI, BAD_CAST "dt");
xmlSetNs(node, ns);
xmlDocSetRootElement(tmp_doc, node);
hr = Schema_validate_tree(datatypes_schema, (xmlNodePtr)tmp_doc);
xmlFreeDoc(tmp_doc);
}
else
{ /* probably the node is being created manually and has no content yet */
hr = S_OK;
}
return hr;
default:
FIXME("need to handle dt:%s\n", debugstr_dt(dt));
return S_OK;
}
}
static inline xmlChar const* get_node_nsURI(xmlNodePtr node)
{
return (node->ns != NULL)? node->ns->href : NULL;
}
static inline cache_entry* get_entry(schema_cache* This, xmlChar const* nsURI)
{
return (!nsURI)? xmlHashLookup(This->cache, BAD_CAST "") :
xmlHashLookup(This->cache, nsURI);
}
static inline xmlSchemaPtr get_node_schema(schema_cache* This, xmlNodePtr node)
{
cache_entry* entry = get_entry(This, get_node_nsURI(node));
return (!entry)? NULL : entry->schema;
}
static xmlExternalEntityLoader _external_entity_loader;
static xmlParserInputPtr external_entity_loader(const char *URL, const char *ID,
xmlParserCtxtPtr ctxt)
{
xmlParserInputPtr input;
TRACE("(%s %s %p)\n", debugstr_a(URL), debugstr_a(ID), ctxt);
assert(MSXML_hInstance != NULL);
assert(datatypes_rsrc != NULL);
assert(datatypes_handle != NULL);
assert(datatypes_src != NULL);
/* TODO: if the desired schema is in the cache, load it from there */
if (lstrcmpA(URL, "urn:schemas-microsoft-com:datatypes") == 0)
{
TRACE("loading built-in schema for %s\n", URL);
input = xmlNewStringInputStream(ctxt, datatypes_src);
}
else
{
input = _external_entity_loader(URL, ID, ctxt);
}
return input;
}
void schemasInit(void)
{
xmlChar* buf;
if (!(datatypes_rsrc = FindResourceA(MSXML_hInstance, "DATATYPES", "XML")))
{
FIXME("failed to find resource for %s\n", DT_nsURI);
return;
}
if (!(datatypes_handle = LoadResource(MSXML_hInstance, datatypes_rsrc)))
{
FIXME("failed to load resource for %s\n", DT_nsURI);
return;
}
buf = LockResource(datatypes_handle);
datatypes_len = SizeofResource(MSXML_hInstance, datatypes_rsrc);
/* Resource is loaded as raw data,
* need a null-terminated string */
while (buf[datatypes_len - 1] != '>') datatypes_len--;
datatypes_src = heap_alloc(datatypes_len + 1);
memcpy(datatypes_src, buf, datatypes_len);
datatypes_src[datatypes_len] = 0;
if (xmlGetExternalEntityLoader() != external_entity_loader)
{
_external_entity_loader = xmlGetExternalEntityLoader();
xmlSetExternalEntityLoader(external_entity_loader);
}
}
void schemasCleanup(void)
{
xmlSchemaFree(datatypes_schema);
heap_free(datatypes_src);
xmlSetExternalEntityLoader(_external_entity_loader);
}
static LONG cache_entry_add_ref(cache_entry* entry)
{
LONG ref = InterlockedIncrement(&entry->ref);
TRACE("(%p)->(%d)\n", entry, ref);
return ref;
}
static LONG cache_entry_release(cache_entry* entry)
{
LONG ref = InterlockedDecrement(&entry->ref);
TRACE("(%p)->(%d)\n", entry, ref);
if (ref == 0)
{
if (entry->type == CacheEntryType_XSD)
{
xmldoc_release(entry->doc);
entry->schema->doc = NULL;
xmlSchemaFree(entry->schema);
}
else if (entry->type == CacheEntryType_XDR)
{
xmldoc_release(entry->doc);
xmldoc_release(entry->schema->doc);
entry->schema->doc = NULL;
xmlSchemaFree(entry->schema);
}
heap_free(entry);
}
return ref;
}
static const struct IXMLDOMSchemaCollection2Vtbl XMLDOMSchemaCollection2Vtbl;
static inline schema_cache* impl_from_IXMLDOMSchemaCollection2(IXMLDOMSchemaCollection2* iface)
{
return CONTAINING_RECORD(iface, schema_cache, IXMLDOMSchemaCollection2_iface);
}
static inline schema_cache* impl_from_IXMLDOMSchemaCollection(IXMLDOMSchemaCollection* iface)
{
return CONTAINING_RECORD((IXMLDOMSchemaCollection2 *)iface, schema_cache, IXMLDOMSchemaCollection2_iface);
}
static inline schema_cache* unsafe_impl_from_IXMLDOMSchemaCollection(IXMLDOMSchemaCollection *iface)
{
return iface->lpVtbl == (void*)&XMLDOMSchemaCollection2Vtbl ? impl_from_IXMLDOMSchemaCollection(iface) : NULL;
}
static inline CacheEntryType cache_type_from_xmlDocPtr(xmlDocPtr schema)
{
xmlNodePtr root = NULL;
if (schema)
root = xmlDocGetRootElement(schema);
if (root && root->ns)
{
if (xmlStrEqual(root->name, XDR_schema) &&
xmlStrEqual(root->ns->href, XDR_nsURI))
{
return CacheEntryType_XDR;
}
else if (xmlStrEqual(root->name, XSD_schema) &&
xmlStrEqual(root->ns->href, XSD_nsURI))
{
return CacheEntryType_XSD;
}
}
return CacheEntryType_Invalid;
}
static BOOL link_datatypes(xmlDocPtr schema)
{
xmlNodePtr root, next, child;
xmlNsPtr ns;
assert(xmlGetExternalEntityLoader() == external_entity_loader);
root = xmlDocGetRootElement(schema);
if (!root)
return FALSE;
for (ns = root->nsDef; ns != NULL; ns = ns->next)
{
if (xmlStrEqual(ns->href, DT_nsURI))
break;
}
if (!ns)
return FALSE;
next = xmlFirstElementChild(root);
child = xmlNewChild(root, NULL, BAD_CAST "import", NULL);
if (next) child = xmlAddPrevSibling(next, child);
xmlSetProp(child, BAD_CAST "namespace", DT_nsURI);
xmlSetProp(child, BAD_CAST "schemaLocation", DT_nsURI);
return TRUE;
}
static cache_entry* cache_entry_from_xsd_doc(xmlDocPtr doc, xmlChar const* nsURI, MSXML_VERSION v)
{
cache_entry* entry = heap_alloc(sizeof(cache_entry));
xmlSchemaParserCtxtPtr spctx;
xmlDocPtr new_doc = xmlCopyDoc(doc, 1);
link_datatypes(new_doc);
/* TODO: if the nsURI is different from the default xmlns or targetNamespace,
* do we need to do something special here? */
entry->type = CacheEntryType_XSD;
entry->ref = 0;
spctx = xmlSchemaNewDocParserCtxt(new_doc);
if ((entry->schema = Schema_parse(spctx)))
{
xmldoc_init(entry->schema->doc, v);
entry->doc = entry->schema->doc;
xmldoc_add_ref(entry->doc);
}
else
{
FIXME("failed to parse doc\n");
xmlFreeDoc(new_doc);
heap_free(entry);
entry = NULL;
}
xmlSchemaFreeParserCtxt(spctx);
return entry;
}
static cache_entry* cache_entry_from_xdr_doc(xmlDocPtr doc, xmlChar const* nsURI, MSXML_VERSION version)
{
cache_entry* entry = heap_alloc(sizeof(cache_entry));
xmlSchemaParserCtxtPtr spctx;
xmlDocPtr new_doc = xmlCopyDoc(doc, 1), xsd_doc = XDR_to_XSD_doc(doc, nsURI);
link_datatypes(xsd_doc);
entry->type = CacheEntryType_XDR;
entry->ref = 0;
spctx = xmlSchemaNewDocParserCtxt(xsd_doc);
if ((entry->schema = Schema_parse(spctx)))
{
entry->doc = new_doc;
xmldoc_init(entry->schema->doc, version);
xmldoc_init(entry->doc, version);
xmldoc_add_ref(entry->doc);
xmldoc_add_ref(entry->schema->doc);
}
else
{
FIXME("failed to parse doc\n");
xmlFreeDoc(new_doc);
xmlFreeDoc(xsd_doc);
heap_free(entry);
entry = NULL;
}
xmlSchemaFreeParserCtxt(spctx);
return entry;
}
static cache_entry* cache_entry_from_url(VARIANT url, xmlChar const* nsURI, MSXML_VERSION version)
{
cache_entry* entry;
IXMLDOMDocument3* domdoc = NULL;
xmlDocPtr doc = NULL;
HRESULT hr = DOMDocument_create(version, (void**)&domdoc);
VARIANT_BOOL b = VARIANT_FALSE;
CacheEntryType type = CacheEntryType_Invalid;
if (hr != S_OK)
{
FIXME("failed to create domdoc\n");
return NULL;
}
assert(domdoc != NULL);
assert(V_VT(&url) == VT_BSTR);
hr = IXMLDOMDocument3_load(domdoc, url, &b);
if (hr != S_OK)
{
ERR("IXMLDOMDocument3_load() returned 0x%08x\n", hr);
if (b != VARIANT_TRUE)
{
FIXME("Failed to load doc at %s\n", debugstr_w(V_BSTR(&url)));
IXMLDOMDocument3_Release(domdoc);
return NULL;
}
}
doc = xmlNodePtr_from_domnode((IXMLDOMNode*)domdoc, XML_DOCUMENT_NODE)->doc;
type = cache_type_from_xmlDocPtr(doc);
switch (type)
{
case CacheEntryType_XSD:
entry = cache_entry_from_xsd_doc(doc, nsURI, version);
break;
case CacheEntryType_XDR:
entry = cache_entry_from_xdr_doc(doc, nsURI, version);
break;
default:
entry = NULL;
FIXME("invalid schema\n");
break;
}
IXMLDOMDocument3_Release(domdoc);
return entry;
}
static void cache_free(void* data, XMLHASH_CONST xmlChar* name /* ignored */)
{
cache_entry_release((cache_entry*)data);
}
/* returns index or -1 if not found */
static int cache_free_uri(schema_cache *cache, const xmlChar *uri)
{
int i;
for (i = 0; i < cache->count; i++)
if (xmlStrEqual(cache->uris[i], uri))
{
heap_free(cache->uris[i]);
return i;
}
return -1;
}
static void cache_add_entry(schema_cache *cache, const xmlChar *uri, cache_entry *entry)
{
int i;
/* meaning no entry found with this name */
if (xmlHashRemoveEntry(cache->cache, uri, cache_free))
{
if (cache->count == cache->allocated)
{
cache->allocated *= 2;
cache->uris = heap_realloc(cache->uris, cache->allocated*sizeof(xmlChar*));
}
i = cache->count++;
}
else
i = cache_free_uri(cache, uri);
cache->uris[i] = heap_strdupxmlChar(uri);
xmlHashAddEntry(cache->cache, uri, entry);
}
static void cache_remove_entry(schema_cache *cache, const xmlChar *uri)
{
/* adjust index if entry was really removed */
if (xmlHashRemoveEntry(cache->cache, uri, cache_free) == 0)
{
int i = cache_free_uri(cache, uri);
if (i == -1) return;
/* shift array */
if (i != --cache->count)
memmove(&cache->uris[i], &cache->uris[i+1], (cache->count-i)*sizeof(xmlChar*));
}
}
/* This one adds all namespaces defined in document to a cache, without anything
associated with uri obviously.
Unfortunately namespace:: axis implementation in libxml2 differs from what we need,
it uses additional node type to describe namespace definition attribute while
in msxml it's expected to be a normal attribute - as a workaround document is
queried at libxml2 level here. */
HRESULT cache_from_doc_ns(IXMLDOMSchemaCollection2 *iface, xmlnode *node)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
static const xmlChar query[] = "//*/namespace::*";
xmlXPathObjectPtr nodeset;
xmlXPathContextPtr ctxt;
This->read_only = 1;
ctxt = xmlXPathNewContext(node->node->doc);
nodeset = xmlXPathEvalExpression(query, ctxt);
xmlXPathFreeContext(ctxt);
if (nodeset)
{
int pos = 0, len = xmlXPathNodeSetGetLength(nodeset->nodesetval);
while (pos < len)
{
xmlNodePtr node = xmlXPathNodeSetItem(nodeset->nodesetval, pos);
if (node->type == XML_NAMESPACE_DECL)
{
static const xmlChar defns[] = "http://www.w3.org/XML/1998/namespace";
xmlNsPtr ns = (xmlNsPtr)node;
cache_entry *entry;
/* filter out default uri */
if (xmlStrEqual(ns->href, defns))
{
pos++;
continue;
}
entry = heap_alloc(sizeof(cache_entry));
entry->type = CacheEntryType_NS;
entry->ref = 1;
entry->schema = NULL;
entry->doc = NULL;
cache_add_entry(This, ns->href, entry);
}
pos++;
}
xmlXPathFreeObject(nodeset);
}
return S_OK;
}
static HRESULT WINAPI schema_cache_QueryInterface(IXMLDOMSchemaCollection2* iface,
REFIID riid, void** ppvObject)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
if ( IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IDispatch) ||
IsEqualIID(riid, &IID_IXMLDOMSchemaCollection) ||
IsEqualIID(riid, &IID_IXMLDOMSchemaCollection2) )
{
*ppvObject = iface;
}
else if(This->version == MSXML6 && IsEqualIID(riid, &CLSID_XMLSchemaCache60))
{
/*
* Version 6 can be queried for an interface with IID equal to CLSID.
* There is no public interface with that IID and returned pointer
* is equal to returned IXMLDOMSchemaCollection2 iface. We assume
* that it's just another way for querying IXMLDOMSchemaCollection2
* interface. Office 2013 ClickToRun installer uses this.
*/
WARN("riid CLSID_XMLSchemaCache60, returning IXMLDOMSchemaCollection2 interface.\n");
*ppvObject = iface;
}
else if (dispex_query_interface(&This->dispex, riid, ppvObject))
{
return *ppvObject ? S_OK : E_NOINTERFACE;
}
else if(IsEqualGUID( riid, &IID_ISupportErrorInfo ))
{
return node_create_supporterrorinfo(schema_cache_se_tids, ppvObject);
}
else
{
FIXME("interface %s not implemented\n", debugstr_guid(riid));
*ppvObject = NULL;
return E_NOINTERFACE;
}
IXMLDOMSchemaCollection2_AddRef(iface);
return S_OK;
}
static ULONG WINAPI schema_cache_AddRef(IXMLDOMSchemaCollection2* iface)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI schema_cache_Release(IXMLDOMSchemaCollection2* iface)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (ref == 0)
{
int i;
for (i = 0; i < This->count; i++)
heap_free(This->uris[i]);
heap_free(This->uris);
xmlHashFree(This->cache, cache_free);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI schema_cache_GetTypeInfoCount(IXMLDOMSchemaCollection2* iface,
UINT* pctinfo)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
}
static HRESULT WINAPI schema_cache_GetTypeInfo(IXMLDOMSchemaCollection2* iface,
UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface,
iTInfo, lcid, ppTInfo);
}
static HRESULT WINAPI schema_cache_GetIDsOfNames(IXMLDOMSchemaCollection2* iface,
REFIID riid, LPOLESTR* rgszNames,
UINT cNames, LCID lcid, DISPID* rgDispId)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface,
riid, rgszNames, cNames, lcid, rgDispId);
}
static HRESULT WINAPI schema_cache_Invoke(IXMLDOMSchemaCollection2* iface,
DISPID dispIdMember, REFIID riid, LCID lcid,
WORD wFlags, DISPPARAMS* pDispParams,
VARIANT* pVarResult, EXCEPINFO* pExcepInfo,
UINT* puArgErr)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface,
dispIdMember, riid, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}
static HRESULT WINAPI schema_cache_add(IXMLDOMSchemaCollection2* iface, BSTR uri, VARIANT var)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
xmlChar* name;
TRACE("(%p)->(%s %s)\n", This, debugstr_w(uri), debugstr_variant(&var));
if (This->read_only) return E_FAIL;
name = uri ? xmlchar_from_wchar(uri) : xmlchar_from_wchar(emptyW);
switch (V_VT(&var))
{
case VT_NULL:
{
cache_remove_entry(This, name);
}
break;
case VT_BSTR:
{
cache_entry* entry = cache_entry_from_url(var, name, This->version);
if (entry)
{
cache_entry_add_ref(entry);
}
else
{
heap_free(name);
return E_FAIL;
}
cache_add_entry(This, name, entry);
}
break;
case VT_DISPATCH:
case VT_UNKNOWN:
{
xmlDocPtr doc = NULL;
cache_entry* entry;
CacheEntryType type;
IXMLDOMNode* domnode = NULL;
IUnknown_QueryInterface(V_UNKNOWN(&var), &IID_IXMLDOMNode, (void**)&domnode);
if (domnode)
{
DOMNodeType type;
IXMLDOMNode_get_nodeType(domnode, &type);
switch (type)
{
case NODE_ELEMENT:
{
IXMLDOMDocument *domdoc;
VARIANT_BOOL b;
BSTR xml;
IXMLDOMNode_get_xml(domnode, &xml);
DOMDocument_create(This->version, (void**)&domdoc);
IXMLDOMDocument_loadXML(domdoc, xml, &b);
SysFreeString(xml);
doc = xmlNodePtr_from_domnode((IXMLDOMNode*)domdoc, XML_DOCUMENT_NODE)->doc;
break;
}
default:
doc = xmlNodePtr_from_domnode(domnode, XML_DOCUMENT_NODE)->doc;
break;
}
}
if (!doc)
{
IXMLDOMNode_Release(domnode);
heap_free(name);
return E_INVALIDARG;
}
type = cache_type_from_xmlDocPtr(doc);
if (type == CacheEntryType_XSD)
{
entry = cache_entry_from_xsd_doc(doc, name, This->version);
}
else if (type == CacheEntryType_XDR)
{
entry = cache_entry_from_xdr_doc(doc, name, This->version);
}
else
{
WARN("invalid schema!\n");
entry = NULL;
}
IXMLDOMNode_Release(domnode);
if (entry)
{
cache_entry_add_ref(entry);
}
else
{
heap_free(name);
return E_FAIL;
}
cache_add_entry(This, name, entry);
}
break;
default:
FIXME("arg type is not supported, %s\n", debugstr_variant(&var));
heap_free(name);
return E_INVALIDARG;
}
heap_free(name);
return S_OK;
}
static HRESULT WINAPI schema_cache_get(IXMLDOMSchemaCollection2* iface, BSTR uri,
IXMLDOMNode** node)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
cache_entry* entry;
xmlChar* name;
TRACE("(%p)->(%s %p)\n", This, debugstr_w(uri), node);
if (This->version == MSXML6)
{
if (node) *node = NULL;
return E_NOTIMPL;
}
if (!node)
return E_POINTER;
*node = NULL;
name = uri ? xmlchar_from_wchar(uri) : xmlchar_from_wchar(emptyW);
entry = (cache_entry*) xmlHashLookup(This->cache, name);
heap_free(name);
/* TODO: this should be read-only */
if (entry && entry->doc)
return get_domdoc_from_xmldoc(entry->doc, (IXMLDOMDocument3**)node);
return S_OK;
}
static HRESULT WINAPI schema_cache_remove(IXMLDOMSchemaCollection2* iface, BSTR uri)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
xmlChar* name;
TRACE("(%p)->(%s)\n", This, debugstr_w(uri));
if (This->version == MSXML6) return E_NOTIMPL;
name = uri ? xmlchar_from_wchar(uri) : xmlchar_from_wchar(emptyW);
cache_remove_entry(This, name);
heap_free(name);
return S_OK;
}
static HRESULT WINAPI schema_cache_get_length(IXMLDOMSchemaCollection2* iface, LONG* length)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
TRACE("(%p)->(%p)\n", This, length);
if (!length)
return E_POINTER;
*length = This->count;
return S_OK;
}
static HRESULT WINAPI schema_cache_get_namespaceURI(IXMLDOMSchemaCollection2* iface,
LONG index, BSTR* uri)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
TRACE("(%p)->(%i %p)\n", This, index, uri);
if (!uri)
return E_POINTER;
if (This->version == MSXML6)
*uri = NULL;
if (index >= This->count)
return E_FAIL;
*uri = bstr_from_xmlChar(This->uris[index]);
return S_OK;
}
static void cache_copy(void* data, void* dest, XMLHASH_CONST xmlChar* name)
{
schema_cache* This = (schema_cache*) dest;
cache_entry* entry = (cache_entry*) data;
if (xmlHashLookup(This->cache, name) == NULL)
{
cache_entry_add_ref(entry);
cache_add_entry(This, name, entry);
}
}
static HRESULT WINAPI schema_cache_addCollection(IXMLDOMSchemaCollection2* iface,
IXMLDOMSchemaCollection* collection)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
schema_cache* That;
TRACE("(%p)->(%p)\n", This, collection);
if (!collection)
return E_POINTER;
That = unsafe_impl_from_IXMLDOMSchemaCollection(collection);
if (!That)
{
ERR("external collection implementation\n");
return E_FAIL;
}
/* TODO: detect errors while copying & return E_FAIL */
xmlHashScan(That->cache, cache_copy, This);
return S_OK;
}
static HRESULT WINAPI schema_cache_get__newEnum(IXMLDOMSchemaCollection2* iface, IUnknown** enumv)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
TRACE("(%p)->(%p)\n", This, enumv);
return create_enumvariant((IUnknown*)iface, TRUE, &schemacache_enumvariant, (IEnumVARIANT**)enumv);
}
static HRESULT WINAPI schema_cache_validate(IXMLDOMSchemaCollection2* iface)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
FIXME("(%p): stub\n", This);
return E_NOTIMPL;
}
static HRESULT WINAPI schema_cache_put_validateOnLoad(IXMLDOMSchemaCollection2* iface,
VARIANT_BOOL value)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
FIXME("(%p)->(%d): stub\n", This, value);
This->validateOnLoad = value;
/* it's ok to disable it, cause we don't validate on load anyway */
if (value == VARIANT_FALSE) return S_OK;
return E_NOTIMPL;
}
static HRESULT WINAPI schema_cache_get_validateOnLoad(IXMLDOMSchemaCollection2* iface,
VARIANT_BOOL* value)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
TRACE("(%p)->(%p)\n", This, value);
if (!value) return E_POINTER;
*value = This->validateOnLoad;
return S_OK;
}
static HRESULT WINAPI schema_cache_getSchema(IXMLDOMSchemaCollection2* iface,
BSTR namespaceURI, ISchema** schema)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
FIXME("(%p)->(%s %p): stub\n", This, debugstr_w(namespaceURI), schema);
if (schema)
*schema = NULL;
return E_NOTIMPL;
}
static HRESULT WINAPI schema_cache_getDeclaration(IXMLDOMSchemaCollection2* iface,
IXMLDOMNode* node, ISchemaItem** item)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
FIXME("(%p)->(%p %p): stub\n", This, node, item);
if (item)
*item = NULL;
return E_NOTIMPL;
}
static const struct IXMLDOMSchemaCollection2Vtbl XMLDOMSchemaCollection2Vtbl =
{
schema_cache_QueryInterface,
schema_cache_AddRef,
schema_cache_Release,
schema_cache_GetTypeInfoCount,
schema_cache_GetTypeInfo,
schema_cache_GetIDsOfNames,
schema_cache_Invoke,
schema_cache_add,
schema_cache_get,
schema_cache_remove,
schema_cache_get_length,
schema_cache_get_namespaceURI,
schema_cache_addCollection,
schema_cache_get__newEnum,
schema_cache_validate,
schema_cache_put_validateOnLoad,
schema_cache_get_validateOnLoad,
schema_cache_getSchema,
schema_cache_getDeclaration
};
static xmlSchemaElementPtr lookup_schema_elemDecl(xmlSchemaPtr schema, xmlNodePtr node)
{
xmlSchemaElementPtr decl = NULL;
xmlChar const* nsURI = get_node_nsURI(node);
TRACE("(%p, %p)\n", schema, node);
if (xmlStrEqual(nsURI, schema->targetNamespace))
decl = xmlHashLookup(schema->elemDecl, node->name);
if (!decl && xmlHashSize(schema->schemasImports) > 1)
{
FIXME("declaration not found in main schema - need to check schema imports!\n");
/*xmlSchemaImportPtr import;
if (nsURI == NULL)
import = xmlHashLookup(schema->schemasImports, XML_SCHEMAS_NO_NAMESPACE);
else
import = xmlHashLookup(schema->schemasImports, node->ns->href);
if (import != NULL)
decl = xmlHashLookup(import->schema->elemDecl, node->name);*/
}
return decl;
}
static inline xmlNodePtr lookup_schema_element(xmlSchemaPtr schema, xmlNodePtr node)
{
xmlSchemaElementPtr decl = lookup_schema_elemDecl(schema, node);
while (decl != NULL && decl->refDecl != NULL)
decl = decl->refDecl;
return (decl != NULL)? decl->node : NULL;
}
HRESULT SchemaCache_validate_tree(IXMLDOMSchemaCollection2* iface, xmlNodePtr tree)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
xmlSchemaPtr schema;
TRACE("(%p, %p)\n", This, tree);
if (!tree)
return E_POINTER;
if (tree->type == XML_DOCUMENT_NODE)
tree = xmlDocGetRootElement(tree->doc);
schema = get_node_schema(This, tree);
/* TODO: if the ns is not in the cache, and it's a URL,
* do we try to load from that? */
if (schema)
return Schema_validate_tree(schema, tree);
else
WARN("no schema found for xmlns=%s\n", get_node_nsURI(tree));
return E_FAIL;
}
XDR_DT SchemaCache_get_node_dt(IXMLDOMSchemaCollection2* iface, xmlNodePtr node)
{
schema_cache* This = impl_from_IXMLDOMSchemaCollection2(iface);
xmlSchemaPtr schema = get_node_schema(This, node);
XDR_DT dt = DT_INVALID;
TRACE("(%p, %p)\n", This, node);
if (node->ns && xmlStrEqual(node->ns->href, DT_nsURI))
{
dt = str_to_dt(node->name, -1);
}
else if (schema)
{
xmlChar* str;
xmlNodePtr schema_node = lookup_schema_element(schema, node);
str = xmlGetNsProp(schema_node, BAD_CAST "dt", DT_nsURI);
if (str)
{
dt = str_to_dt(str, -1);
xmlFree(str);
}
}
return dt;
}
static const tid_t schemacache_iface_tids[] = {
IXMLDOMSchemaCollection2_tid,
0
};
static dispex_static_data_t schemacache_dispex = {
NULL,
IXMLDOMSchemaCollection2_tid,
NULL,
schemacache_iface_tids
};
HRESULT SchemaCache_create(MSXML_VERSION version, void** obj)
{
schema_cache* This = heap_alloc(sizeof(schema_cache));
if (!This)
return E_OUTOFMEMORY;
TRACE("(%d %p)\n", version, obj);
This->IXMLDOMSchemaCollection2_iface.lpVtbl = &XMLDOMSchemaCollection2Vtbl;
This->cache = xmlHashCreate(DEFAULT_HASHTABLE_SIZE);
This->allocated = 10;
This->count = 0;
This->uris = heap_alloc(This->allocated*sizeof(xmlChar*));
This->ref = 1;
This->version = version;
This->validateOnLoad = VARIANT_TRUE;
This->read_only = 0;
init_dispex(&This->dispex, (IUnknown*)&This->IXMLDOMSchemaCollection2_iface, &schemacache_dispex);
*obj = &This->IXMLDOMSchemaCollection2_iface;
return S_OK;
}
#else
HRESULT SchemaCache_create(MSXML_VERSION version, void** obj)
{
MESSAGE("This program tried to use a SchemaCache object, but\n"
"libxml2 support was not present at compile time.\n");
return E_NOTIMPL;
}
#endif
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