830 lines
22 KiB
C
830 lines
22 KiB
C
/*
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* IXmlReader implementation
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*
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* Copyright 2010 Nikolay Sivov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define COBJMACROS
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "initguid.h"
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#include "objbase.h"
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#include "xmllite.h"
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#include "xmllite_private.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(xmllite);
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/* not defined in public headers */
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DEFINE_GUID(IID_IXmlReaderInput, 0x0b3ccc9b, 0x9214, 0x428b, 0xa2, 0xae, 0xef, 0x3a, 0xa8, 0x71, 0xaf, 0xda);
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typedef enum
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{
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XmlEncoding_UTF16,
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XmlEncoding_UTF8,
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XmlEncoding_Unknown
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} xml_encoding;
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static const WCHAR utf16W[] = {'U','T','F','-','1','6',0};
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static const WCHAR utf8W[] = {'U','T','F','-','8',0};
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struct xml_encoding_data
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{
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const WCHAR *encoding;
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xml_encoding enc;
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UINT cp;
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};
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static const struct xml_encoding_data xml_encoding_map[] = {
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{ utf16W, XmlEncoding_UTF16, ~0 },
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{ utf8W, XmlEncoding_UTF8, CP_UTF8 }
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};
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typedef struct
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{
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char *data;
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unsigned int allocated;
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unsigned int written;
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} encoded_buffer;
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typedef struct input_buffer input_buffer;
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typedef struct _xmlreaderinput
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{
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IXmlReaderInput IXmlReaderInput_iface;
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LONG ref;
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/* reference passed on IXmlReaderInput creation, is kept when input is created */
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IUnknown *input;
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IMalloc *imalloc;
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xml_encoding encoding;
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BOOL hint;
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WCHAR *baseuri;
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/* stream reference set after SetInput() call from reader,
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stored as sequential stream, cause currently
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optimizations possible with IStream aren't implemented */
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ISequentialStream *stream;
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input_buffer *buffer;
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} xmlreaderinput;
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typedef struct _xmlreader
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{
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IXmlReader IXmlReader_iface;
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LONG ref;
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xmlreaderinput *input;
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IMalloc *imalloc;
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XmlReadState state;
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XmlNodeType nodetype;
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DtdProcessing dtdmode;
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UINT line, pos; /* reader position in XML stream */
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} xmlreader;
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struct input_buffer
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{
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encoded_buffer utf16;
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encoded_buffer encoded;
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UINT code_page;
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xmlreaderinput *input;
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};
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static inline xmlreader *impl_from_IXmlReader(IXmlReader *iface)
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{
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return CONTAINING_RECORD(iface, xmlreader, IXmlReader_iface);
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}
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static inline xmlreaderinput *impl_from_IXmlReaderInput(IXmlReaderInput *iface)
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{
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return CONTAINING_RECORD(iface, xmlreaderinput, IXmlReaderInput_iface);
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}
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static inline void *m_alloc(IMalloc *imalloc, size_t len)
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{
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if (imalloc)
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return IMalloc_Alloc(imalloc, len);
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else
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return heap_alloc(len);
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}
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static inline void *m_realloc(IMalloc *imalloc, void *mem, size_t len)
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{
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if (imalloc)
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return IMalloc_Realloc(imalloc, mem, len);
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else
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return heap_realloc(mem, len);
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}
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static inline void m_free(IMalloc *imalloc, void *mem)
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{
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if (imalloc)
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IMalloc_Free(imalloc, mem);
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else
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heap_free(mem);
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}
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/* reader memory allocation functions */
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static inline void *reader_alloc(xmlreader *reader, size_t len)
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{
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return m_alloc(reader->imalloc, len);
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}
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static inline void reader_free(xmlreader *reader, void *mem)
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{
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return m_free(reader->imalloc, mem);
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}
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/* reader input memory allocation functions */
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static inline void *readerinput_alloc(xmlreaderinput *input, size_t len)
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{
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return m_alloc(input->imalloc, len);
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}
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static inline void *readerinput_realloc(xmlreaderinput *input, void *mem, size_t len)
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{
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return m_realloc(input->imalloc, mem, len);
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}
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static inline void readerinput_free(xmlreaderinput *input, void *mem)
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{
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return m_free(input->imalloc, mem);
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}
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static inline WCHAR *readerinput_strdupW(xmlreaderinput *input, const WCHAR *str)
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{
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LPWSTR ret = NULL;
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if(str) {
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DWORD size;
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size = (strlenW(str)+1)*sizeof(WCHAR);
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ret = readerinput_alloc(input, size);
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if (ret) memcpy(ret, str, size);
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}
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return ret;
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}
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static HRESULT init_encoded_buffer(xmlreaderinput *input, encoded_buffer *buffer)
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{
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const int initial_len = 0x2000;
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buffer->data = readerinput_alloc(input, initial_len);
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if (!buffer->data) return E_OUTOFMEMORY;
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memset(buffer->data, 0, 4);
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buffer->allocated = initial_len;
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buffer->written = 0;
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return S_OK;
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}
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static void free_encoded_buffer(xmlreaderinput *input, encoded_buffer *buffer)
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{
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readerinput_free(input, buffer->data);
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}
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static HRESULT get_code_page(xml_encoding encoding, xmlreaderinput *input)
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{
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const struct xml_encoding_data *data;
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if (encoding == XmlEncoding_Unknown)
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{
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FIXME("unsupported encoding %d\n", encoding);
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return E_NOTIMPL;
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}
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data = &xml_encoding_map[encoding];
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input->buffer->code_page = data->cp;
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return S_OK;
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}
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static xml_encoding parse_encoding_name(const WCHAR *encoding)
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{
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int min, max, n, c;
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if (!encoding) return XmlEncoding_Unknown;
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min = 0;
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max = sizeof(xml_encoding_map)/sizeof(struct xml_encoding_data) - 1;
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while (min <= max)
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{
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n = (min+max)/2;
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c = strcmpiW(xml_encoding_map[n].encoding, encoding);
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if (!c)
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return xml_encoding_map[n].enc;
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if (c > 0)
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max = n-1;
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else
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min = n+1;
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}
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return XmlEncoding_Unknown;
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}
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static HRESULT alloc_input_buffer(xmlreaderinput *input)
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{
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input_buffer *buffer;
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HRESULT hr;
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input->buffer = NULL;
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buffer = readerinput_alloc(input, sizeof(*buffer));
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if (!buffer) return E_OUTOFMEMORY;
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buffer->input = input;
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buffer->code_page = ~0; /* code page is unknown at this point */
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hr = init_encoded_buffer(input, &buffer->utf16);
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if (hr != S_OK) {
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readerinput_free(input, buffer);
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return hr;
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}
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hr = init_encoded_buffer(input, &buffer->encoded);
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if (hr != S_OK) {
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free_encoded_buffer(input, &buffer->utf16);
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readerinput_free(input, buffer);
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return hr;
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}
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input->buffer = buffer;
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return S_OK;
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}
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static void free_input_buffer(input_buffer *buffer)
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{
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free_encoded_buffer(buffer->input, &buffer->encoded);
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free_encoded_buffer(buffer->input, &buffer->utf16);
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readerinput_free(buffer->input, buffer);
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}
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static void readerinput_release_stream(xmlreaderinput *readerinput)
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{
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if (readerinput->stream) {
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ISequentialStream_Release(readerinput->stream);
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readerinput->stream = NULL;
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}
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}
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/* Queries already stored interface for IStream/ISequentialStream.
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Interface supplied on creation will be overwritten */
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static HRESULT readerinput_query_for_stream(xmlreaderinput *readerinput)
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{
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HRESULT hr;
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readerinput_release_stream(readerinput);
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hr = IUnknown_QueryInterface(readerinput->input, &IID_IStream, (void**)&readerinput->stream);
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if (hr != S_OK)
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hr = IUnknown_QueryInterface(readerinput->input, &IID_ISequentialStream, (void**)&readerinput->stream);
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return hr;
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}
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/* reads a chunk to raw buffer */
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static HRESULT readerinput_growraw(xmlreaderinput *readerinput)
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{
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encoded_buffer *buffer = &readerinput->buffer->encoded;
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ULONG len = buffer->allocated - buffer->written, read;
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HRESULT hr;
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/* always try to get aligned to 4 bytes, so the only case we can get partialy read characters is
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variable width encodings like UTF-8 */
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len = (len + 3) & ~3;
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/* try to use allocated space or grow */
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if (buffer->allocated - buffer->written < len)
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{
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buffer->allocated *= 2;
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buffer->data = readerinput_realloc(readerinput, buffer->data, buffer->allocated);
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len = buffer->allocated - buffer->written;
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}
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hr = ISequentialStream_Read(readerinput->stream, buffer->data + buffer->written, len, &read);
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if (FAILED(hr)) return hr;
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TRACE("requested %d, read %d, ret 0x%08x\n", len, read, hr);
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buffer->written += read;
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return hr;
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}
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static xml_encoding readerinput_detectencoding(xmlreaderinput *readerinput)
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{
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encoded_buffer *buffer = &readerinput->buffer->encoded;
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/* try start symbols if we have enough data to do that, input buffer should contain
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first chunk already */
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if (buffer->written >= 4)
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{
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static char startA[] = {'<','?','x','m'};
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static WCHAR startW[] = {'<','?'};
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if (!memcmp(buffer->data, startA, sizeof(startA))) return XmlEncoding_UTF8;
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if (!memcmp(buffer->data, startW, sizeof(startW))) return XmlEncoding_UTF16;
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}
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/* try with BOM now */
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if (buffer->written >= 3)
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{
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static char utf8bom[] = {0xef,0xbb,0xbf};
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static char utf16lebom[] = {0xff,0xfe};
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if (!memcmp(buffer->data, utf8bom, sizeof(utf8bom))) return XmlEncoding_UTF8;
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if (!memcmp(buffer->data, utf16lebom, sizeof(utf16lebom))) return XmlEncoding_UTF16;
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}
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return XmlEncoding_Unknown;
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}
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static HRESULT WINAPI xmlreader_QueryInterface(IXmlReader *iface, REFIID riid, void** ppvObject)
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{
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xmlreader *This = impl_from_IXmlReader(iface);
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TRACE("%p %s %p\n", This, debugstr_guid(riid), ppvObject);
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if (IsEqualGUID(riid, &IID_IUnknown) ||
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IsEqualGUID(riid, &IID_IXmlReader))
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{
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*ppvObject = iface;
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}
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else
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{
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FIXME("interface %s not implemented\n", debugstr_guid(riid));
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return E_NOINTERFACE;
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}
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IXmlReader_AddRef(iface);
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return S_OK;
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}
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static ULONG WINAPI xmlreader_AddRef(IXmlReader *iface)
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{
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xmlreader *This = impl_from_IXmlReader(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p)->(%d)\n", This, ref);
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return ref;
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}
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static ULONG WINAPI xmlreader_Release(IXmlReader *iface)
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{
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xmlreader *This = impl_from_IXmlReader(iface);
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LONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->(%d)\n", This, ref);
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if (ref == 0)
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{
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IMalloc *imalloc = This->imalloc;
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if (This->input) IUnknown_Release(&This->input->IXmlReaderInput_iface);
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reader_free(This, This);
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if (imalloc) IMalloc_Release(imalloc);
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}
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return ref;
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}
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static HRESULT WINAPI xmlreader_SetInput(IXmlReader* iface, IUnknown *input)
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{
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xmlreader *This = impl_from_IXmlReader(iface);
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HRESULT hr;
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TRACE("(%p %p)\n", This, input);
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if (This->input)
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{
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readerinput_release_stream(This->input);
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IUnknown_Release(&This->input->IXmlReaderInput_iface);
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This->input = NULL;
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}
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This->line = This->pos = 0;
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/* just reset current input */
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if (!input)
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{
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This->state = XmlReadState_Initial;
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return S_OK;
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}
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/* now try IXmlReaderInput, ISequentialStream, IStream */
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hr = IUnknown_QueryInterface(input, &IID_IXmlReaderInput, (void**)&This->input);
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if (hr != S_OK)
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{
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IXmlReaderInput *readerinput;
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/* create IXmlReaderInput basing on supplied interface */
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hr = CreateXmlReaderInputWithEncodingName(input,
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NULL, NULL, FALSE, NULL, &readerinput);
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if (hr != S_OK) return hr;
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This->input = impl_from_IXmlReaderInput(readerinput);
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}
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/* set stream for supplied IXmlReaderInput */
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hr = readerinput_query_for_stream(This->input);
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if (hr == S_OK)
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This->state = XmlReadState_Initial;
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return hr;
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}
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static HRESULT WINAPI xmlreader_GetProperty(IXmlReader* iface, UINT property, LONG_PTR *value)
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{
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xmlreader *This = impl_from_IXmlReader(iface);
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TRACE("(%p %u %p)\n", This, property, value);
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if (!value) return E_INVALIDARG;
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switch (property)
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{
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case XmlReaderProperty_DtdProcessing:
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*value = This->dtdmode;
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break;
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case XmlReaderProperty_ReadState:
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*value = This->state;
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break;
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default:
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FIXME("Unimplemented property (%u)\n", property);
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return E_NOTIMPL;
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}
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return S_OK;
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}
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static HRESULT WINAPI xmlreader_SetProperty(IXmlReader* iface, UINT property, LONG_PTR value)
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{
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xmlreader *This = impl_from_IXmlReader(iface);
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TRACE("(%p %u %lu)\n", iface, property, value);
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switch (property)
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{
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case XmlReaderProperty_DtdProcessing:
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if (value < 0 || value > _DtdProcessing_Last) return E_INVALIDARG;
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This->dtdmode = value;
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break;
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default:
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FIXME("Unimplemented property (%u)\n", property);
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return E_NOTIMPL;
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}
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return S_OK;
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}
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static HRESULT WINAPI xmlreader_Read(IXmlReader* iface, XmlNodeType *node_type)
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{
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xmlreader *This = impl_from_IXmlReader(iface);
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FIXME("(%p)->(%p): stub\n", This, node_type);
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if (This->state == XmlReadState_Closed) return S_FALSE;
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/* if it's a first call for a new input we need to detect stream encoding */
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if (This->state == XmlReadState_Initial)
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{
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xml_encoding enc;
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HRESULT hr;
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hr = readerinput_growraw(This->input);
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if (FAILED(hr)) return hr;
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/* try to detect encoding by BOM or data and set input code page */
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enc = readerinput_detectencoding(This->input);
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TRACE("detected encoding %d\n", enc);
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get_code_page(enc, This->input);
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}
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return E_NOTIMPL;
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}
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static HRESULT WINAPI xmlreader_GetNodeType(IXmlReader* iface, XmlNodeType *node_type)
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{
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xmlreader *This = impl_from_IXmlReader(iface);
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TRACE("(%p)->(%p)\n", This, node_type);
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*node_type = This->nodetype;
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return This->state == XmlReadState_Closed ? S_FALSE : S_OK;
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}
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static HRESULT WINAPI xmlreader_MoveToFirstAttribute(IXmlReader* iface)
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{
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FIXME("(%p): stub\n", iface);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI xmlreader_MoveToNextAttribute(IXmlReader* iface)
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{
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FIXME("(%p): stub\n", iface);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI xmlreader_MoveToAttributeByName(IXmlReader* iface,
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LPCWSTR local_name,
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LPCWSTR namespaceUri)
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{
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FIXME("(%p %p %p): stub\n", iface, local_name, namespaceUri);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI xmlreader_MoveToElement(IXmlReader* iface)
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{
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FIXME("(%p): stub\n", iface);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI xmlreader_GetQualifiedName(IXmlReader* iface, LPCWSTR *qualifiedName,
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UINT *qualifiedName_length)
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{
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FIXME("(%p %p %p): stub\n", iface, qualifiedName, qualifiedName_length);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_GetNamespaceUri(IXmlReader* iface,
|
|
LPCWSTR *namespaceUri,
|
|
UINT *namespaceUri_length)
|
|
{
|
|
FIXME("(%p %p %p): stub\n", iface, namespaceUri, namespaceUri_length);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_GetLocalName(IXmlReader* iface,
|
|
LPCWSTR *local_name,
|
|
UINT *local_name_length)
|
|
{
|
|
FIXME("(%p %p %p): stub\n", iface, local_name, local_name_length);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_GetPrefix(IXmlReader* iface,
|
|
LPCWSTR *prefix,
|
|
UINT *prefix_length)
|
|
{
|
|
FIXME("(%p %p %p): stub\n", iface, prefix, prefix_length);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_GetValue(IXmlReader* iface,
|
|
LPCWSTR *value,
|
|
UINT *value_length)
|
|
{
|
|
FIXME("(%p %p %p): stub\n", iface, value, value_length);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_ReadValueChunk(IXmlReader* iface,
|
|
WCHAR *buffer,
|
|
UINT chunk_size,
|
|
UINT *read)
|
|
{
|
|
FIXME("(%p %p %u %p): stub\n", iface, buffer, chunk_size, read);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_GetBaseUri(IXmlReader* iface,
|
|
LPCWSTR *baseUri,
|
|
UINT *baseUri_length)
|
|
{
|
|
FIXME("(%p %p %p): stub\n", iface, baseUri, baseUri_length);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static BOOL WINAPI xmlreader_IsDefault(IXmlReader* iface)
|
|
{
|
|
FIXME("(%p): stub\n", iface);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static BOOL WINAPI xmlreader_IsEmptyElement(IXmlReader* iface)
|
|
{
|
|
FIXME("(%p): stub\n", iface);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_GetLineNumber(IXmlReader* iface, UINT *lineNumber)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
|
|
TRACE("(%p %p)\n", This, lineNumber);
|
|
|
|
if (!lineNumber) return E_INVALIDARG;
|
|
|
|
*lineNumber = This->line;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_GetLinePosition(IXmlReader* iface, UINT *linePosition)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
|
|
TRACE("(%p %p)\n", This, linePosition);
|
|
|
|
if (!linePosition) return E_INVALIDARG;
|
|
|
|
*linePosition = This->pos;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_GetAttributeCount(IXmlReader* iface, UINT *attributeCount)
|
|
{
|
|
FIXME("(%p %p): stub\n", iface, attributeCount);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_GetDepth(IXmlReader* iface, UINT *depth)
|
|
{
|
|
FIXME("(%p %p): stub\n", iface, depth);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static BOOL WINAPI xmlreader_IsEOF(IXmlReader* iface)
|
|
{
|
|
FIXME("(%p): stub\n", iface);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static const struct IXmlReaderVtbl xmlreader_vtbl =
|
|
{
|
|
xmlreader_QueryInterface,
|
|
xmlreader_AddRef,
|
|
xmlreader_Release,
|
|
xmlreader_SetInput,
|
|
xmlreader_GetProperty,
|
|
xmlreader_SetProperty,
|
|
xmlreader_Read,
|
|
xmlreader_GetNodeType,
|
|
xmlreader_MoveToFirstAttribute,
|
|
xmlreader_MoveToNextAttribute,
|
|
xmlreader_MoveToAttributeByName,
|
|
xmlreader_MoveToElement,
|
|
xmlreader_GetQualifiedName,
|
|
xmlreader_GetNamespaceUri,
|
|
xmlreader_GetLocalName,
|
|
xmlreader_GetPrefix,
|
|
xmlreader_GetValue,
|
|
xmlreader_ReadValueChunk,
|
|
xmlreader_GetBaseUri,
|
|
xmlreader_IsDefault,
|
|
xmlreader_IsEmptyElement,
|
|
xmlreader_GetLineNumber,
|
|
xmlreader_GetLinePosition,
|
|
xmlreader_GetAttributeCount,
|
|
xmlreader_GetDepth,
|
|
xmlreader_IsEOF
|
|
};
|
|
|
|
/** IXmlReaderInput **/
|
|
static HRESULT WINAPI xmlreaderinput_QueryInterface(IXmlReaderInput *iface, REFIID riid, void** ppvObject)
|
|
{
|
|
xmlreaderinput *This = impl_from_IXmlReaderInput(iface);
|
|
|
|
TRACE("%p %s %p\n", This, debugstr_guid(riid), ppvObject);
|
|
|
|
if (IsEqualGUID(riid, &IID_IXmlReaderInput) ||
|
|
IsEqualGUID(riid, &IID_IUnknown))
|
|
{
|
|
*ppvObject = iface;
|
|
}
|
|
else
|
|
{
|
|
WARN("interface %s not implemented\n", debugstr_guid(riid));
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
IUnknown_AddRef(iface);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static ULONG WINAPI xmlreaderinput_AddRef(IXmlReaderInput *iface)
|
|
{
|
|
xmlreaderinput *This = impl_from_IXmlReaderInput(iface);
|
|
ULONG ref = InterlockedIncrement(&This->ref);
|
|
TRACE("(%p)->(%d)\n", This, ref);
|
|
return ref;
|
|
}
|
|
|
|
static ULONG WINAPI xmlreaderinput_Release(IXmlReaderInput *iface)
|
|
{
|
|
xmlreaderinput *This = impl_from_IXmlReaderInput(iface);
|
|
LONG ref = InterlockedDecrement(&This->ref);
|
|
|
|
TRACE("(%p)->(%d)\n", This, ref);
|
|
|
|
if (ref == 0)
|
|
{
|
|
IMalloc *imalloc = This->imalloc;
|
|
if (This->input) IUnknown_Release(This->input);
|
|
if (This->stream) ISequentialStream_Release(This->stream);
|
|
if (This->buffer) free_input_buffer(This->buffer);
|
|
readerinput_free(This, This->baseuri);
|
|
readerinput_free(This, This);
|
|
if (imalloc) IMalloc_Release(imalloc);
|
|
}
|
|
|
|
return ref;
|
|
}
|
|
|
|
static const struct IUnknownVtbl xmlreaderinput_vtbl =
|
|
{
|
|
xmlreaderinput_QueryInterface,
|
|
xmlreaderinput_AddRef,
|
|
xmlreaderinput_Release
|
|
};
|
|
|
|
HRESULT WINAPI CreateXmlReader(REFIID riid, void **obj, IMalloc *imalloc)
|
|
{
|
|
xmlreader *reader;
|
|
|
|
TRACE("(%s, %p, %p)\n", wine_dbgstr_guid(riid), obj, imalloc);
|
|
|
|
if (!IsEqualGUID(riid, &IID_IXmlReader))
|
|
{
|
|
ERR("Unexpected IID requested -> (%s)\n", wine_dbgstr_guid(riid));
|
|
return E_FAIL;
|
|
}
|
|
|
|
if (imalloc)
|
|
reader = IMalloc_Alloc(imalloc, sizeof(*reader));
|
|
else
|
|
reader = heap_alloc(sizeof(*reader));
|
|
if(!reader) return E_OUTOFMEMORY;
|
|
|
|
reader->IXmlReader_iface.lpVtbl = &xmlreader_vtbl;
|
|
reader->ref = 1;
|
|
reader->input = NULL;
|
|
reader->state = XmlReadState_Closed;
|
|
reader->dtdmode = DtdProcessing_Prohibit;
|
|
reader->line = reader->pos = 0;
|
|
reader->imalloc = imalloc;
|
|
if (imalloc) IMalloc_AddRef(imalloc);
|
|
reader->nodetype = XmlNodeType_None;
|
|
|
|
*obj = &reader->IXmlReader_iface;
|
|
|
|
TRACE("returning iface %p\n", *obj);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI CreateXmlReaderInputWithEncodingName(IUnknown *stream,
|
|
IMalloc *imalloc,
|
|
LPCWSTR encoding,
|
|
BOOL hint,
|
|
LPCWSTR base_uri,
|
|
IXmlReaderInput **ppInput)
|
|
{
|
|
xmlreaderinput *readerinput;
|
|
HRESULT hr;
|
|
|
|
TRACE("%p %p %s %d %s %p\n", stream, imalloc, wine_dbgstr_w(encoding),
|
|
hint, wine_dbgstr_w(base_uri), ppInput);
|
|
|
|
if (!stream || !ppInput) return E_INVALIDARG;
|
|
|
|
if (imalloc)
|
|
readerinput = IMalloc_Alloc(imalloc, sizeof(*readerinput));
|
|
else
|
|
readerinput = heap_alloc(sizeof(*readerinput));
|
|
if(!readerinput) return E_OUTOFMEMORY;
|
|
|
|
readerinput->IXmlReaderInput_iface.lpVtbl = &xmlreaderinput_vtbl;
|
|
readerinput->ref = 1;
|
|
readerinput->imalloc = imalloc;
|
|
readerinput->stream = NULL;
|
|
if (imalloc) IMalloc_AddRef(imalloc);
|
|
readerinput->encoding = parse_encoding_name(encoding);
|
|
readerinput->hint = hint;
|
|
readerinput->baseuri = readerinput_strdupW(readerinput, base_uri);
|
|
|
|
hr = alloc_input_buffer(readerinput);
|
|
if (hr != S_OK)
|
|
{
|
|
readerinput_free(readerinput, readerinput);
|
|
return hr;
|
|
}
|
|
IUnknown_QueryInterface(stream, &IID_IUnknown, (void**)&readerinput->input);
|
|
|
|
*ppInput = &readerinput->IXmlReaderInput_iface;
|
|
|
|
TRACE("returning iface %p\n", *ppInput);
|
|
|
|
return S_OK;
|
|
}
|