2586 lines
73 KiB
C
2586 lines
73 KiB
C
/*
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* IXmlReader implementation
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*
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* Copyright 2010, 2012-2013 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/list.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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typedef enum
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{
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XmlReadInState_Initial,
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XmlReadInState_XmlDecl,
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XmlReadInState_Misc_DTD,
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XmlReadInState_DTD,
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XmlReadInState_DTD_Misc,
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XmlReadInState_Element,
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XmlReadInState_Content,
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XmlReadInState_MiscEnd
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} XmlReaderInternalState;
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/* This state denotes where parsing was interrupted by input problem.
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Reader resumes parsing using this information. */
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typedef enum
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{
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XmlReadResumeState_Initial,
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XmlReadResumeState_PITarget,
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XmlReadResumeState_PIBody,
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XmlReadResumeState_CDATA,
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XmlReadResumeState_Comment,
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XmlReadResumeState_STag
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} XmlReaderResumeState;
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/* saved pointer index to resume from particular input position */
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typedef enum
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{
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XmlReadResume_Name, /* PITarget, name for NCName, prefix for QName */
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XmlReadResume_Local, /* local for QName */
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XmlReadResume_Body, /* PI body, comment text, CDATA text */
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XmlReadResume_Last
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} XmlReaderResume;
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typedef enum
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{
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StringValue_LocalName,
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StringValue_QualifiedName,
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StringValue_Value,
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StringValue_Last
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} XmlReaderStringValue;
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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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static const WCHAR dblquoteW[] = {'\"',0};
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static const WCHAR quoteW[] = {'\'',0};
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static const WCHAR ltW[] = {'<',0};
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static const WCHAR gtW[] = {'>',0};
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static const WCHAR commentW[] = {'<','!','-','-',0};
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static const WCHAR piW[] = {'<','?',0};
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struct xml_encoding_data
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{
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const WCHAR *name;
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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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char *cur;
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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
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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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unsigned int pending : 1;
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} xmlreaderinput;
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static const struct IUnknownVtbl xmlreaderinputvtbl;
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/* Structure to hold parsed string of specific length.
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Reader stores node value as 'start' pointer, on request
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a null-terminated version of it is allocated.
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To init a strval variable use reader_init_strval(),
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to set strval as a reader value use reader_set_strval().
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*/
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typedef struct
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{
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WCHAR *start; /* input position where value starts */
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UINT len; /* length in WCHARs, altered after ReadValueChunk */
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WCHAR *str; /* allocated null-terminated string */
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} strval;
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static WCHAR emptyW[] = {0};
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static const strval strval_empty = {emptyW, 0, emptyW};
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struct attribute
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{
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struct list entry;
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strval localname;
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strval value;
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};
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struct element
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{
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struct list entry;
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strval qname;
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};
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typedef struct
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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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XmlReaderInternalState instate;
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XmlReaderResumeState resumestate;
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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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struct list attrs; /* attributes list for current node */
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struct attribute *attr; /* current attribute */
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UINT attr_count;
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struct list elements;
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strval strvalues[StringValue_Last];
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UINT depth;
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WCHAR *resume[XmlReadResume_Last]; /* pointers used to resume reader */
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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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m_free(reader->imalloc, mem);
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}
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static HRESULT reader_strvaldup(xmlreader *reader, const strval *src, strval *dest)
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{
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*dest = *src;
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if (src->str != strval_empty.str)
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{
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dest->str = reader_alloc(reader, (dest->len+1)*sizeof(WCHAR));
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if (!dest->str) return E_OUTOFMEMORY;
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memcpy(dest->str, src->str, dest->len*sizeof(WCHAR));
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dest->str[dest->len] = 0;
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}
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return S_OK;
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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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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 void reader_clear_attrs(xmlreader *reader)
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{
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struct attribute *attr, *attr2;
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LIST_FOR_EACH_ENTRY_SAFE(attr, attr2, &reader->attrs, struct attribute, entry)
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{
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reader_free(reader, attr);
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}
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list_init(&reader->attrs);
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reader->attr_count = 0;
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}
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/* attribute data holds pointers to buffer data, so buffer shrink is not possible
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while we are on a node with attributes */
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static HRESULT reader_add_attr(xmlreader *reader, strval *localname, strval *value)
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{
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struct attribute *attr;
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attr = reader_alloc(reader, sizeof(*attr));
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if (!attr) return E_OUTOFMEMORY;
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attr->localname = *localname;
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attr->value = *value;
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list_add_tail(&reader->attrs, &attr->entry);
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reader->attr_count++;
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return S_OK;
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}
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/* This one frees stored string value if needed */
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static void reader_free_strvalued(xmlreader *reader, strval *v)
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{
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if (v->str != strval_empty.str)
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{
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reader_free(reader, v->str);
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*v = strval_empty;
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}
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}
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static inline void reader_init_strvalue(WCHAR *str, UINT len, strval *v)
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{
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v->start = v->str = str;
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v->len = len;
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}
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static void reader_free_strvalue(xmlreader *reader, XmlReaderStringValue type)
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{
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reader_free_strvalued(reader, &reader->strvalues[type]);
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}
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static void reader_free_strvalues(xmlreader *reader)
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{
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int type;
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for (type = 0; type < StringValue_Last; type++)
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reader_free_strvalue(reader, type);
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}
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/* This helper should only be used to test if strings are the same,
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it doesn't try to sort. */
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static inline int strval_eq(const strval *str1, const strval *str2)
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{
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if (str1->len != str2->len) return 0;
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return !memcmp(str1->str, str2->str, str1->len*sizeof(WCHAR));
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}
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static void reader_clear_elements(xmlreader *reader)
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{
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struct element *elem, *elem2;
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LIST_FOR_EACH_ENTRY_SAFE(elem, elem2, &reader->elements, struct element, entry)
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{
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reader_free_strvalued(reader, &elem->qname);
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reader_free(reader, elem);
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}
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list_init(&reader->elements);
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}
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static HRESULT reader_inc_depth(xmlreader *reader)
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{
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/* FIXME: handle XmlReaderProperty_MaxElementDepth property */
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reader->depth++;
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return S_OK;
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}
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static HRESULT reader_push_element(xmlreader *reader, strval *qname)
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{
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struct element *elem;
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HRESULT hr;
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elem = reader_alloc(reader, sizeof(*elem));
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if (!elem) return E_OUTOFMEMORY;
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hr = reader_strvaldup(reader, qname, &elem->qname);
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if (FAILED(hr)) {
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reader_free(reader, elem);
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return hr;
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}
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if (!list_empty(&reader->elements))
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{
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hr = reader_inc_depth(reader);
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if (FAILED(hr)) {
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reader_free(reader, elem);
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return hr;
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}
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}
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list_add_head(&reader->elements, &elem->entry);
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return hr;
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}
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static void reader_pop_element(xmlreader *reader)
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{
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struct element *elem = LIST_ENTRY(list_head(&reader->elements), struct element, entry);
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if (elem)
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{
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list_remove(&elem->entry);
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reader_free_strvalued(reader, &elem->qname);
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reader_free(reader, elem);
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}
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}
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/* Always make a copy, cause strings are supposed to be null terminated. Null pointer for 'value'
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means node value is to be determined. */
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static void reader_set_strvalue(xmlreader *reader, XmlReaderStringValue type, const strval *value)
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{
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strval *v = &reader->strvalues[type];
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reader_free_strvalue(reader, type);
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if (!value)
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{
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v->str = NULL;
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v->start = NULL;
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v->len = 0;
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return;
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}
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if (value->str == strval_empty.str)
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*v = *value;
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else
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{
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if (type == StringValue_Value)
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{
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/* defer allocation for value string */
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v->str = NULL;
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v->start = value->start;
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v->len = value->len;
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}
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else
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{
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v->str = reader_alloc(reader, (value->len + 1)*sizeof(WCHAR));
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memcpy(v->str, value->start, value->len*sizeof(WCHAR));
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v->str[value->len] = 0;
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v->len = value->len;
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}
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}
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}
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static inline int is_reader_pending(xmlreader *reader)
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{
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return reader->input->pending;
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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->cur = buffer->data;
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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, UINT *cp)
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{
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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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*cp = xml_encoding_map[encoding].cp;
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return S_OK;
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}
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|
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static xml_encoding parse_encoding_name(const WCHAR *name, int len)
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{
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int min, max, n, c;
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if (!name) 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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if (len != -1)
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c = strncmpiW(xml_encoding_map[n].name, name, len);
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else
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c = strcmpiW(xml_encoding_map[n].name, name);
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if (!c)
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return xml_encoding_map[n].enc;
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|
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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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|
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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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|
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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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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);
|
|
readerinput->stream = NULL;
|
|
}
|
|
}
|
|
|
|
/* Queries already stored interface for IStream/ISequentialStream.
|
|
Interface supplied on creation will be overwritten */
|
|
static HRESULT readerinput_query_for_stream(xmlreaderinput *readerinput)
|
|
{
|
|
HRESULT hr;
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|
|
|
readerinput_release_stream(readerinput);
|
|
hr = IUnknown_QueryInterface(readerinput->input, &IID_IStream, (void**)&readerinput->stream);
|
|
if (hr != S_OK)
|
|
hr = IUnknown_QueryInterface(readerinput->input, &IID_ISequentialStream, (void**)&readerinput->stream);
|
|
|
|
return hr;
|
|
}
|
|
|
|
/* reads a chunk to raw buffer */
|
|
static HRESULT readerinput_growraw(xmlreaderinput *readerinput)
|
|
{
|
|
encoded_buffer *buffer = &readerinput->buffer->encoded;
|
|
/* to make sure aligned length won't exceed allocated length */
|
|
ULONG len = buffer->allocated - buffer->written - 4;
|
|
ULONG read;
|
|
HRESULT hr;
|
|
|
|
/* always try to get aligned to 4 bytes, so the only case we can get partially read characters is
|
|
variable width encodings like UTF-8 */
|
|
len = (len + 3) & ~3;
|
|
/* try to use allocated space or grow */
|
|
if (buffer->allocated - buffer->written < len)
|
|
{
|
|
buffer->allocated *= 2;
|
|
buffer->data = readerinput_realloc(readerinput, buffer->data, buffer->allocated);
|
|
len = buffer->allocated - buffer->written;
|
|
}
|
|
|
|
read = 0;
|
|
hr = ISequentialStream_Read(readerinput->stream, buffer->data + buffer->written, len, &read);
|
|
TRACE("requested %d, read %d, ret 0x%08x\n", len, read, hr);
|
|
readerinput->pending = hr == E_PENDING;
|
|
if (FAILED(hr)) return hr;
|
|
buffer->written += read;
|
|
|
|
return hr;
|
|
}
|
|
|
|
/* grows UTF-16 buffer so it has at least 'length' bytes free on return */
|
|
static void readerinput_grow(xmlreaderinput *readerinput, int length)
|
|
{
|
|
encoded_buffer *buffer = &readerinput->buffer->utf16;
|
|
|
|
/* grow if needed, plus 4 bytes to be sure null terminator will fit in */
|
|
if (buffer->allocated < buffer->written + length + 4)
|
|
{
|
|
int grown_size = max(2*buffer->allocated, buffer->allocated + length);
|
|
buffer->data = readerinput_realloc(readerinput, buffer->data, grown_size);
|
|
buffer->allocated = grown_size;
|
|
}
|
|
}
|
|
|
|
static inline int readerinput_is_utf8(xmlreaderinput *readerinput)
|
|
{
|
|
static char startA[] = {'<','?'};
|
|
static char commentA[] = {'<','!'};
|
|
encoded_buffer *buffer = &readerinput->buffer->encoded;
|
|
unsigned char *ptr = (unsigned char*)buffer->data;
|
|
|
|
return !memcmp(buffer->data, startA, sizeof(startA)) ||
|
|
!memcmp(buffer->data, commentA, sizeof(commentA)) ||
|
|
/* test start byte */
|
|
(ptr[0] == '<' &&
|
|
(
|
|
(ptr[1] && (ptr[1] <= 0x7f)) ||
|
|
(buffer->data[1] >> 5) == 0x6 || /* 2 bytes */
|
|
(buffer->data[1] >> 4) == 0xe || /* 3 bytes */
|
|
(buffer->data[1] >> 3) == 0x1e) /* 4 bytes */
|
|
);
|
|
}
|
|
|
|
static HRESULT readerinput_detectencoding(xmlreaderinput *readerinput, xml_encoding *enc)
|
|
{
|
|
encoded_buffer *buffer = &readerinput->buffer->encoded;
|
|
static WCHAR startW[] = {'<','?'};
|
|
static WCHAR commentW[] = {'<','!'};
|
|
static char utf8bom[] = {0xef,0xbb,0xbf};
|
|
static char utf16lebom[] = {0xff,0xfe};
|
|
|
|
*enc = XmlEncoding_Unknown;
|
|
|
|
if (buffer->written <= 3)
|
|
{
|
|
HRESULT hr = readerinput_growraw(readerinput);
|
|
if (FAILED(hr)) return hr;
|
|
if (buffer->written <= 3) return MX_E_INPUTEND;
|
|
}
|
|
|
|
/* try start symbols if we have enough data to do that, input buffer should contain
|
|
first chunk already */
|
|
if (readerinput_is_utf8(readerinput))
|
|
*enc = XmlEncoding_UTF8;
|
|
else if (!memcmp(buffer->data, startW, sizeof(startW)) ||
|
|
!memcmp(buffer->data, commentW, sizeof(commentW)))
|
|
*enc = XmlEncoding_UTF16;
|
|
/* try with BOM now */
|
|
else if (!memcmp(buffer->data, utf8bom, sizeof(utf8bom)))
|
|
{
|
|
buffer->cur += sizeof(utf8bom);
|
|
*enc = XmlEncoding_UTF8;
|
|
}
|
|
else if (!memcmp(buffer->data, utf16lebom, sizeof(utf16lebom)))
|
|
{
|
|
buffer->cur += sizeof(utf16lebom);
|
|
*enc = XmlEncoding_UTF16;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static int readerinput_get_utf8_convlen(xmlreaderinput *readerinput)
|
|
{
|
|
encoded_buffer *buffer = &readerinput->buffer->encoded;
|
|
int len = buffer->written;
|
|
|
|
/* complete single byte char */
|
|
if (!(buffer->data[len-1] & 0x80)) return len;
|
|
|
|
/* find start byte of multibyte char */
|
|
while (--len && !(buffer->data[len] & 0xc0))
|
|
;
|
|
|
|
return len;
|
|
}
|
|
|
|
/* Returns byte length of complete char sequence for buffer code page,
|
|
it's relative to current buffer position which is currently used for BOM handling
|
|
only. */
|
|
static int readerinput_get_convlen(xmlreaderinput *readerinput)
|
|
{
|
|
encoded_buffer *buffer = &readerinput->buffer->encoded;
|
|
int len;
|
|
|
|
if (readerinput->buffer->code_page == CP_UTF8)
|
|
len = readerinput_get_utf8_convlen(readerinput);
|
|
else
|
|
len = buffer->written;
|
|
|
|
TRACE("%d\n", len - (int)(buffer->cur - buffer->data));
|
|
return len - (buffer->cur - buffer->data);
|
|
}
|
|
|
|
/* It's possible that raw buffer has some leftovers from last conversion - some char
|
|
sequence that doesn't represent a full code point. Length argument should be calculated with
|
|
readerinput_get_convlen(), if it's -1 it will be calculated here. */
|
|
static void readerinput_shrinkraw(xmlreaderinput *readerinput, int len)
|
|
{
|
|
encoded_buffer *buffer = &readerinput->buffer->encoded;
|
|
|
|
if (len == -1)
|
|
len = readerinput_get_convlen(readerinput);
|
|
|
|
memmove(buffer->data, buffer->cur + (buffer->written - len), len);
|
|
/* everything below cur is lost too */
|
|
buffer->written -= len + (buffer->cur - buffer->data);
|
|
/* after this point we don't need cur pointer really,
|
|
it's used only to mark where actual data begins when first chunk is read */
|
|
buffer->cur = buffer->data;
|
|
}
|
|
|
|
/* note that raw buffer content is kept */
|
|
static void readerinput_switchencoding(xmlreaderinput *readerinput, xml_encoding enc)
|
|
{
|
|
encoded_buffer *src = &readerinput->buffer->encoded;
|
|
encoded_buffer *dest = &readerinput->buffer->utf16;
|
|
int len, dest_len;
|
|
HRESULT hr;
|
|
WCHAR *ptr;
|
|
UINT cp;
|
|
|
|
hr = get_code_page(enc, &cp);
|
|
if (FAILED(hr)) return;
|
|
|
|
readerinput->buffer->code_page = cp;
|
|
len = readerinput_get_convlen(readerinput);
|
|
|
|
TRACE("switching to cp %d\n", cp);
|
|
|
|
/* just copy in this case */
|
|
if (enc == XmlEncoding_UTF16)
|
|
{
|
|
readerinput_grow(readerinput, len);
|
|
memcpy(dest->data, src->cur, len);
|
|
dest->written += len*sizeof(WCHAR);
|
|
return;
|
|
}
|
|
|
|
dest_len = MultiByteToWideChar(cp, 0, src->cur, len, NULL, 0);
|
|
readerinput_grow(readerinput, dest_len);
|
|
ptr = (WCHAR*)dest->data;
|
|
MultiByteToWideChar(cp, 0, src->cur, len, ptr, dest_len);
|
|
ptr[dest_len] = 0;
|
|
dest->written += dest_len*sizeof(WCHAR);
|
|
}
|
|
|
|
/* shrinks parsed data a buffer begins with */
|
|
static void reader_shrink(xmlreader *reader)
|
|
{
|
|
encoded_buffer *buffer = &reader->input->buffer->utf16;
|
|
|
|
/* avoid to move too often using threshold shrink length */
|
|
if (buffer->cur - buffer->data > buffer->written / 2)
|
|
{
|
|
buffer->written -= buffer->cur - buffer->data;
|
|
memmove(buffer->data, buffer->cur, buffer->written);
|
|
buffer->cur = buffer->data;
|
|
*(WCHAR*)&buffer->cur[buffer->written] = 0;
|
|
}
|
|
}
|
|
|
|
/* This is a normal way for reader to get new data converted from raw buffer to utf16 buffer.
|
|
It won't attempt to shrink but will grow destination buffer if needed */
|
|
static HRESULT reader_more(xmlreader *reader)
|
|
{
|
|
xmlreaderinput *readerinput = reader->input;
|
|
encoded_buffer *src = &readerinput->buffer->encoded;
|
|
encoded_buffer *dest = &readerinput->buffer->utf16;
|
|
UINT cp = readerinput->buffer->code_page;
|
|
int len, dest_len;
|
|
HRESULT hr;
|
|
WCHAR *ptr;
|
|
|
|
/* get some raw data from stream first */
|
|
hr = readerinput_growraw(readerinput);
|
|
len = readerinput_get_convlen(readerinput);
|
|
|
|
/* just copy for UTF-16 case */
|
|
if (cp == ~0)
|
|
{
|
|
readerinput_grow(readerinput, len);
|
|
memcpy(dest->data, src->cur, len);
|
|
dest->written += len*sizeof(WCHAR);
|
|
return hr;
|
|
}
|
|
|
|
dest_len = MultiByteToWideChar(cp, 0, src->cur, len, NULL, 0);
|
|
readerinput_grow(readerinput, dest_len);
|
|
ptr = (WCHAR*)dest->data;
|
|
MultiByteToWideChar(cp, 0, src->cur, len, ptr, dest_len);
|
|
ptr[dest_len] = 0;
|
|
dest->written += dest_len*sizeof(WCHAR);
|
|
/* get rid of processed data */
|
|
readerinput_shrinkraw(readerinput, len);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static inline WCHAR *reader_get_cur(xmlreader *reader)
|
|
{
|
|
WCHAR *ptr = (WCHAR*)reader->input->buffer->utf16.cur;
|
|
if (!*ptr) reader_more(reader);
|
|
return ptr;
|
|
}
|
|
|
|
static int reader_cmp(xmlreader *reader, const WCHAR *str)
|
|
{
|
|
const WCHAR *ptr = reader_get_cur(reader);
|
|
return strncmpW(str, ptr, strlenW(str));
|
|
}
|
|
|
|
/* moves cursor n WCHARs forward */
|
|
static void reader_skipn(xmlreader *reader, int n)
|
|
{
|
|
encoded_buffer *buffer = &reader->input->buffer->utf16;
|
|
const WCHAR *ptr = reader_get_cur(reader);
|
|
|
|
while (*ptr++ && n--)
|
|
{
|
|
buffer->cur += sizeof(WCHAR);
|
|
reader->pos++;
|
|
}
|
|
}
|
|
|
|
static inline int is_wchar_space(WCHAR ch)
|
|
{
|
|
return ch == ' ' || ch == '\t' || ch == '\r' || ch == '\n';
|
|
}
|
|
|
|
/* [3] S ::= (#x20 | #x9 | #xD | #xA)+ */
|
|
static int reader_skipspaces(xmlreader *reader)
|
|
{
|
|
encoded_buffer *buffer = &reader->input->buffer->utf16;
|
|
const WCHAR *ptr = reader_get_cur(reader), *start = ptr;
|
|
|
|
while (is_wchar_space(*ptr))
|
|
{
|
|
buffer->cur += sizeof(WCHAR);
|
|
if (*ptr == '\r')
|
|
reader->pos = 0;
|
|
else if (*ptr == '\n')
|
|
{
|
|
reader->line++;
|
|
reader->pos = 0;
|
|
}
|
|
else
|
|
reader->pos++;
|
|
ptr++;
|
|
}
|
|
|
|
return ptr - start;
|
|
}
|
|
|
|
/* [26] VersionNum ::= '1.' [0-9]+ */
|
|
static HRESULT reader_parse_versionnum(xmlreader *reader, strval *val)
|
|
{
|
|
WCHAR *ptr, *ptr2, *start = reader_get_cur(reader);
|
|
static const WCHAR onedotW[] = {'1','.',0};
|
|
|
|
if (reader_cmp(reader, onedotW)) return WC_E_XMLDECL;
|
|
/* skip "1." */
|
|
reader_skipn(reader, 2);
|
|
|
|
ptr2 = ptr = reader_get_cur(reader);
|
|
while (*ptr >= '0' && *ptr <= '9')
|
|
ptr++;
|
|
|
|
if (ptr2 == ptr) return WC_E_DIGIT;
|
|
TRACE("version=%s\n", debugstr_wn(start, ptr-start));
|
|
reader_init_strvalue(start, ptr-start, val);
|
|
reader_skipn(reader, ptr-ptr2);
|
|
return S_OK;
|
|
}
|
|
|
|
/* [25] Eq ::= S? '=' S? */
|
|
static HRESULT reader_parse_eq(xmlreader *reader)
|
|
{
|
|
static const WCHAR eqW[] = {'=',0};
|
|
reader_skipspaces(reader);
|
|
if (reader_cmp(reader, eqW)) return WC_E_EQUAL;
|
|
/* skip '=' */
|
|
reader_skipn(reader, 1);
|
|
reader_skipspaces(reader);
|
|
return S_OK;
|
|
}
|
|
|
|
/* [24] VersionInfo ::= S 'version' Eq ("'" VersionNum "'" | '"' VersionNum '"') */
|
|
static HRESULT reader_parse_versioninfo(xmlreader *reader)
|
|
{
|
|
static const WCHAR versionW[] = {'v','e','r','s','i','o','n',0};
|
|
strval val, name;
|
|
HRESULT hr;
|
|
|
|
if (!reader_skipspaces(reader)) return WC_E_WHITESPACE;
|
|
|
|
if (reader_cmp(reader, versionW)) return WC_E_XMLDECL;
|
|
reader_init_strvalue(reader_get_cur(reader), 7, &name);
|
|
/* skip 'version' */
|
|
reader_skipn(reader, 7);
|
|
|
|
hr = reader_parse_eq(reader);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
if (reader_cmp(reader, quoteW) && reader_cmp(reader, dblquoteW))
|
|
return WC_E_QUOTE;
|
|
/* skip "'"|'"' */
|
|
reader_skipn(reader, 1);
|
|
|
|
hr = reader_parse_versionnum(reader, &val);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
if (reader_cmp(reader, quoteW) && reader_cmp(reader, dblquoteW))
|
|
return WC_E_QUOTE;
|
|
|
|
/* skip "'"|'"' */
|
|
reader_skipn(reader, 1);
|
|
|
|
return reader_add_attr(reader, &name, &val);
|
|
}
|
|
|
|
/* ([A-Za-z0-9._] | '-') */
|
|
static inline int is_wchar_encname(WCHAR ch)
|
|
{
|
|
return ((ch >= 'A' && ch <= 'Z') ||
|
|
(ch >= 'a' && ch <= 'z') ||
|
|
(ch >= '0' && ch <= '9') ||
|
|
(ch == '.') || (ch == '_') ||
|
|
(ch == '-'));
|
|
}
|
|
|
|
/* [81] EncName ::= [A-Za-z] ([A-Za-z0-9._] | '-')* */
|
|
static HRESULT reader_parse_encname(xmlreader *reader, strval *val)
|
|
{
|
|
WCHAR *start = reader_get_cur(reader), *ptr;
|
|
xml_encoding enc;
|
|
int len;
|
|
|
|
if ((*start < 'A' || *start > 'Z') && (*start < 'a' || *start > 'z'))
|
|
return WC_E_ENCNAME;
|
|
|
|
ptr = start;
|
|
while (is_wchar_encname(*++ptr))
|
|
;
|
|
|
|
len = ptr - start;
|
|
enc = parse_encoding_name(start, len);
|
|
TRACE("encoding name %s\n", debugstr_wn(start, len));
|
|
val->str = start;
|
|
val->len = len;
|
|
|
|
if (enc == XmlEncoding_Unknown)
|
|
return WC_E_ENCNAME;
|
|
|
|
/* skip encoding name */
|
|
reader_skipn(reader, len);
|
|
return S_OK;
|
|
}
|
|
|
|
/* [80] EncodingDecl ::= S 'encoding' Eq ('"' EncName '"' | "'" EncName "'" ) */
|
|
static HRESULT reader_parse_encdecl(xmlreader *reader)
|
|
{
|
|
static const WCHAR encodingW[] = {'e','n','c','o','d','i','n','g',0};
|
|
strval name, val;
|
|
HRESULT hr;
|
|
|
|
if (!reader_skipspaces(reader)) return WC_E_WHITESPACE;
|
|
|
|
if (reader_cmp(reader, encodingW)) return S_FALSE;
|
|
name.str = reader_get_cur(reader);
|
|
name.len = 8;
|
|
/* skip 'encoding' */
|
|
reader_skipn(reader, 8);
|
|
|
|
hr = reader_parse_eq(reader);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
if (reader_cmp(reader, quoteW) && reader_cmp(reader, dblquoteW))
|
|
return WC_E_QUOTE;
|
|
/* skip "'"|'"' */
|
|
reader_skipn(reader, 1);
|
|
|
|
hr = reader_parse_encname(reader, &val);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
if (reader_cmp(reader, quoteW) && reader_cmp(reader, dblquoteW))
|
|
return WC_E_QUOTE;
|
|
|
|
/* skip "'"|'"' */
|
|
reader_skipn(reader, 1);
|
|
|
|
return reader_add_attr(reader, &name, &val);
|
|
}
|
|
|
|
/* [32] SDDecl ::= S 'standalone' Eq (("'" ('yes' | 'no') "'") | ('"' ('yes' | 'no') '"')) */
|
|
static HRESULT reader_parse_sddecl(xmlreader *reader)
|
|
{
|
|
static const WCHAR standaloneW[] = {'s','t','a','n','d','a','l','o','n','e',0};
|
|
static const WCHAR yesW[] = {'y','e','s',0};
|
|
static const WCHAR noW[] = {'n','o',0};
|
|
WCHAR *start, *ptr;
|
|
strval name, val;
|
|
HRESULT hr;
|
|
|
|
if (!reader_skipspaces(reader)) return WC_E_WHITESPACE;
|
|
|
|
if (reader_cmp(reader, standaloneW)) return S_FALSE;
|
|
reader_init_strvalue(reader_get_cur(reader), 10, &name);
|
|
/* skip 'standalone' */
|
|
reader_skipn(reader, 10);
|
|
|
|
hr = reader_parse_eq(reader);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
if (reader_cmp(reader, quoteW) && reader_cmp(reader, dblquoteW))
|
|
return WC_E_QUOTE;
|
|
/* skip "'"|'"' */
|
|
reader_skipn(reader, 1);
|
|
|
|
if (reader_cmp(reader, yesW) && reader_cmp(reader, noW))
|
|
return WC_E_XMLDECL;
|
|
|
|
start = reader_get_cur(reader);
|
|
/* skip 'yes'|'no' */
|
|
reader_skipn(reader, reader_cmp(reader, yesW) ? 2 : 3);
|
|
ptr = reader_get_cur(reader);
|
|
TRACE("standalone=%s\n", debugstr_wn(start, ptr-start));
|
|
val.str = start;
|
|
val.len = ptr-start;
|
|
|
|
if (reader_cmp(reader, quoteW) && reader_cmp(reader, dblquoteW))
|
|
return WC_E_QUOTE;
|
|
/* skip "'"|'"' */
|
|
reader_skipn(reader, 1);
|
|
|
|
return reader_add_attr(reader, &name, &val);
|
|
}
|
|
|
|
/* [23] XMLDecl ::= '<?xml' VersionInfo EncodingDecl? SDDecl? S? '?>' */
|
|
static HRESULT reader_parse_xmldecl(xmlreader *reader)
|
|
{
|
|
static const WCHAR xmldeclW[] = {'<','?','x','m','l',' ',0};
|
|
static const WCHAR declcloseW[] = {'?','>',0};
|
|
HRESULT hr;
|
|
|
|
/* check if we have "<?xml " */
|
|
if (reader_cmp(reader, xmldeclW)) return S_FALSE;
|
|
|
|
reader_skipn(reader, 5);
|
|
hr = reader_parse_versioninfo(reader);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = reader_parse_encdecl(reader);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = reader_parse_sddecl(reader);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
reader_skipspaces(reader);
|
|
if (reader_cmp(reader, declcloseW)) return WC_E_XMLDECL;
|
|
reader_skipn(reader, 2);
|
|
|
|
reader->nodetype = XmlNodeType_XmlDeclaration;
|
|
reader_set_strvalue(reader, StringValue_LocalName, &strval_empty);
|
|
reader_set_strvalue(reader, StringValue_QualifiedName, &strval_empty);
|
|
reader_set_strvalue(reader, StringValue_Value, &strval_empty);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* [15] Comment ::= '<!--' ((Char - '-') | ('-' (Char - '-')))* '-->' */
|
|
static HRESULT reader_parse_comment(xmlreader *reader)
|
|
{
|
|
WCHAR *start, *ptr;
|
|
|
|
if (reader->resume[XmlReadResume_Body])
|
|
{
|
|
start = reader->resume[XmlReadResume_Body];
|
|
ptr = reader_get_cur(reader);
|
|
}
|
|
else
|
|
{
|
|
/* skip '<!--' */
|
|
reader_skipn(reader, 4);
|
|
reader_shrink(reader);
|
|
ptr = start = reader_get_cur(reader);
|
|
reader->nodetype = XmlNodeType_Comment;
|
|
reader->resume[XmlReadResume_Body] = start;
|
|
reader->resumestate = XmlReadResumeState_Comment;
|
|
reader_set_strvalue(reader, StringValue_LocalName, NULL);
|
|
reader_set_strvalue(reader, StringValue_QualifiedName, NULL);
|
|
reader_set_strvalue(reader, StringValue_Value, NULL);
|
|
}
|
|
|
|
/* will exit when there's no more data, it won't attempt to
|
|
read more from stream */
|
|
while (*ptr)
|
|
{
|
|
if (ptr[0] == '-')
|
|
{
|
|
if (ptr[1] == '-')
|
|
{
|
|
if (ptr[2] == '>')
|
|
{
|
|
strval value;
|
|
|
|
TRACE("%s\n", debugstr_wn(start, ptr-start));
|
|
/* skip '-->' */
|
|
reader_skipn(reader, 3);
|
|
reader_init_strvalue(start, ptr-start, &value);
|
|
reader_set_strvalue(reader, StringValue_LocalName, &strval_empty);
|
|
reader_set_strvalue(reader, StringValue_QualifiedName, &strval_empty);
|
|
reader_set_strvalue(reader, StringValue_Value, &value);
|
|
reader->resume[XmlReadResume_Body] = NULL;
|
|
reader->resumestate = XmlReadResumeState_Initial;
|
|
return S_OK;
|
|
}
|
|
else
|
|
return WC_E_COMMENT;
|
|
}
|
|
else
|
|
ptr++;
|
|
}
|
|
else
|
|
{
|
|
reader_skipn(reader, 1);
|
|
ptr++;
|
|
}
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* [2] Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF] */
|
|
static inline int is_char(WCHAR ch)
|
|
{
|
|
return (ch == '\t') || (ch == '\r') || (ch == '\n') ||
|
|
(ch >= 0x20 && ch <= 0xd7ff) ||
|
|
(ch >= 0xd800 && ch <= 0xdbff) || /* high surrogate */
|
|
(ch >= 0xdc00 && ch <= 0xdfff) || /* low surrogate */
|
|
(ch >= 0xe000 && ch <= 0xfffd);
|
|
}
|
|
|
|
/* [13] PubidChar ::= #x20 | #xD | #xA | [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%] */
|
|
static inline int is_pubchar(WCHAR ch)
|
|
{
|
|
return (ch == ' ') ||
|
|
(ch >= 'a' && ch <= 'z') ||
|
|
(ch >= 'A' && ch <= 'Z') ||
|
|
(ch >= '0' && ch <= '9') ||
|
|
(ch >= '-' && ch <= ';') || /* '()*+,-./:; */
|
|
(ch == '=') || (ch == '?') ||
|
|
(ch == '@') || (ch == '!') ||
|
|
(ch >= '#' && ch <= '%') || /* #$% */
|
|
(ch == '_') || (ch == '\r') || (ch == '\n');
|
|
}
|
|
|
|
static inline int is_namestartchar(WCHAR ch)
|
|
{
|
|
return (ch == ':') || (ch >= 'A' && ch <= 'Z') ||
|
|
(ch == '_') || (ch >= 'a' && ch <= 'z') ||
|
|
(ch >= 0xc0 && ch <= 0xd6) ||
|
|
(ch >= 0xd8 && ch <= 0xf6) ||
|
|
(ch >= 0xf8 && ch <= 0x2ff) ||
|
|
(ch >= 0x370 && ch <= 0x37d) ||
|
|
(ch >= 0x37f && ch <= 0x1fff) ||
|
|
(ch >= 0x200c && ch <= 0x200d) ||
|
|
(ch >= 0x2070 && ch <= 0x218f) ||
|
|
(ch >= 0x2c00 && ch <= 0x2fef) ||
|
|
(ch >= 0x3001 && ch <= 0xd7ff) ||
|
|
(ch >= 0xd800 && ch <= 0xdbff) || /* high surrogate */
|
|
(ch >= 0xdc00 && ch <= 0xdfff) || /* low surrogate */
|
|
(ch >= 0xf900 && ch <= 0xfdcf) ||
|
|
(ch >= 0xfdf0 && ch <= 0xfffd);
|
|
}
|
|
|
|
/* [4 NS] NCName ::= Name - (Char* ':' Char*) */
|
|
static inline int is_ncnamechar(WCHAR ch)
|
|
{
|
|
return (ch >= 'A' && ch <= 'Z') ||
|
|
(ch == '_') || (ch >= 'a' && ch <= 'z') ||
|
|
(ch == '-') || (ch == '.') ||
|
|
(ch >= '0' && ch <= '9') ||
|
|
(ch == 0xb7) ||
|
|
(ch >= 0xc0 && ch <= 0xd6) ||
|
|
(ch >= 0xd8 && ch <= 0xf6) ||
|
|
(ch >= 0xf8 && ch <= 0x2ff) ||
|
|
(ch >= 0x300 && ch <= 0x36f) ||
|
|
(ch >= 0x370 && ch <= 0x37d) ||
|
|
(ch >= 0x37f && ch <= 0x1fff) ||
|
|
(ch >= 0x200c && ch <= 0x200d) ||
|
|
(ch >= 0x203f && ch <= 0x2040) ||
|
|
(ch >= 0x2070 && ch <= 0x218f) ||
|
|
(ch >= 0x2c00 && ch <= 0x2fef) ||
|
|
(ch >= 0x3001 && ch <= 0xd7ff) ||
|
|
(ch >= 0xd800 && ch <= 0xdbff) || /* high surrogate */
|
|
(ch >= 0xdc00 && ch <= 0xdfff) || /* low surrogate */
|
|
(ch >= 0xf900 && ch <= 0xfdcf) ||
|
|
(ch >= 0xfdf0 && ch <= 0xfffd);
|
|
}
|
|
|
|
static inline int is_namechar(WCHAR ch)
|
|
{
|
|
return (ch == ':') || is_ncnamechar(ch);
|
|
}
|
|
|
|
/* [4] NameStartChar ::= ":" | [A-Z] | "_" | [a-z] | [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x2FF] | [#x370-#x37D] |
|
|
[#x37F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] |
|
|
[#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]
|
|
[4a] NameChar ::= NameStartChar | "-" | "." | [0-9] | #xB7 | [#x0300-#x036F] | [#x203F-#x2040]
|
|
[5] Name ::= NameStartChar (NameChar)* */
|
|
static HRESULT reader_parse_name(xmlreader *reader, strval *name)
|
|
{
|
|
WCHAR *ptr, *start;
|
|
|
|
if (reader->resume[XmlReadResume_Name])
|
|
{
|
|
start = reader->resume[XmlReadResume_Name];
|
|
ptr = reader_get_cur(reader);
|
|
}
|
|
else
|
|
{
|
|
ptr = start = reader_get_cur(reader);
|
|
if (!is_namestartchar(*ptr)) return WC_E_NAMECHARACTER;
|
|
}
|
|
|
|
while (is_namechar(*ptr))
|
|
{
|
|
reader_skipn(reader, 1);
|
|
ptr = reader_get_cur(reader);
|
|
}
|
|
|
|
if (is_reader_pending(reader))
|
|
{
|
|
reader->resume[XmlReadResume_Name] = start;
|
|
return E_PENDING;
|
|
}
|
|
else
|
|
reader->resume[XmlReadResume_Name] = NULL;
|
|
|
|
TRACE("name %s:%d\n", debugstr_wn(start, ptr-start), (int)(ptr-start));
|
|
reader_init_strvalue(start, ptr-start, name);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* [17] PITarget ::= Name - (('X' | 'x') ('M' | 'm') ('L' | 'l')) */
|
|
static HRESULT reader_parse_pitarget(xmlreader *reader, strval *target)
|
|
{
|
|
static const WCHAR xmlW[] = {'x','m','l'};
|
|
strval name;
|
|
HRESULT hr;
|
|
UINT i;
|
|
|
|
hr = reader_parse_name(reader, &name);
|
|
if (FAILED(hr)) return is_reader_pending(reader) ? E_PENDING : WC_E_PI;
|
|
|
|
/* now that we got name check for illegal content */
|
|
if (name.len == 3 && !strncmpiW(name.str, xmlW, 3))
|
|
return WC_E_LEADINGXML;
|
|
|
|
/* PITarget can't be a qualified name */
|
|
for (i = 0; i < name.len; i++)
|
|
if (name.str[i] == ':')
|
|
return i ? NC_E_NAMECOLON : WC_E_PI;
|
|
|
|
TRACE("pitarget %s:%d\n", debugstr_wn(name.str, name.len), name.len);
|
|
*target = name;
|
|
return S_OK;
|
|
}
|
|
|
|
/* [16] PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>' */
|
|
static HRESULT reader_parse_pi(xmlreader *reader)
|
|
{
|
|
WCHAR *ptr, *start;
|
|
strval target;
|
|
HRESULT hr;
|
|
|
|
switch (reader->resumestate)
|
|
{
|
|
case XmlReadResumeState_Initial:
|
|
/* skip '<?' */
|
|
reader_skipn(reader, 2);
|
|
reader_shrink(reader);
|
|
reader->resumestate = XmlReadResumeState_PITarget;
|
|
case XmlReadResumeState_PITarget:
|
|
hr = reader_parse_pitarget(reader, &target);
|
|
if (FAILED(hr)) return hr;
|
|
reader->resumestate = XmlReadResumeState_PIBody;
|
|
default:
|
|
;
|
|
}
|
|
|
|
ptr = reader_get_cur(reader);
|
|
/* exit earlier if there's no content */
|
|
if (ptr[0] == '?' && ptr[1] == '>')
|
|
{
|
|
/* skip '?>' */
|
|
reader_skipn(reader, 2);
|
|
reader->nodetype = XmlNodeType_ProcessingInstruction;
|
|
reader->resumestate = XmlReadResumeState_Initial;
|
|
reader_set_strvalue(reader, StringValue_LocalName, &target);
|
|
reader_set_strvalue(reader, StringValue_QualifiedName, &target);
|
|
reader_set_strvalue(reader, StringValue_Value, &strval_empty);
|
|
return S_OK;
|
|
}
|
|
|
|
if (!reader->resume[XmlReadResume_Body])
|
|
{
|
|
/* now at least a single space char should be there */
|
|
if (!is_wchar_space(*ptr)) return WC_E_WHITESPACE;
|
|
reader_skipspaces(reader);
|
|
ptr = start = reader_get_cur(reader);
|
|
reader->resume[XmlReadResume_Body] = start;
|
|
}
|
|
else
|
|
{
|
|
start = reader->resume[XmlReadResume_Body];
|
|
ptr = reader_get_cur(reader);
|
|
}
|
|
|
|
while (*ptr)
|
|
{
|
|
if (ptr[0] == '?')
|
|
{
|
|
if (ptr[1] == '>')
|
|
{
|
|
strval value;
|
|
|
|
TRACE("%s\n", debugstr_wn(start, ptr-start));
|
|
/* skip '?>' */
|
|
reader_skipn(reader, 2);
|
|
reader->nodetype = XmlNodeType_ProcessingInstruction;
|
|
reader->resumestate = XmlReadResumeState_Initial;
|
|
reader->resume[XmlReadResume_Body] = NULL;
|
|
reader_init_strvalue(start, ptr-start, &value);
|
|
reader_set_strvalue(reader, StringValue_LocalName, &target);
|
|
reader_set_strvalue(reader, StringValue_QualifiedName, &target);
|
|
reader_set_strvalue(reader, StringValue_Value, &value);
|
|
return S_OK;
|
|
}
|
|
else
|
|
{
|
|
ptr++;
|
|
reader_more(reader);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
reader_skipn(reader, 1);
|
|
ptr = reader_get_cur(reader);
|
|
}
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* This one is used to parse significant whitespace nodes, like in Misc production */
|
|
static HRESULT reader_parse_whitespace(xmlreader *reader)
|
|
{
|
|
WCHAR *start, *ptr;
|
|
|
|
reader_shrink(reader);
|
|
start = reader_get_cur(reader);
|
|
|
|
reader_skipspaces(reader);
|
|
ptr = reader_get_cur(reader);
|
|
TRACE("%s\n", debugstr_wn(start, ptr-start));
|
|
|
|
reader->nodetype = XmlNodeType_Whitespace;
|
|
reader_set_strvalue(reader, StringValue_LocalName, &strval_empty);
|
|
reader_set_strvalue(reader, StringValue_QualifiedName, &strval_empty);
|
|
reader_set_strvalue(reader, StringValue_Value, &strval_empty);
|
|
return S_OK;
|
|
}
|
|
|
|
/* [27] Misc ::= Comment | PI | S */
|
|
static HRESULT reader_parse_misc(xmlreader *reader)
|
|
{
|
|
HRESULT hr = S_FALSE;
|
|
|
|
if (reader->resumestate != XmlReadResumeState_Initial)
|
|
{
|
|
hr = reader_more(reader);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
/* finish current node */
|
|
switch (reader->resumestate)
|
|
{
|
|
case XmlReadResumeState_PITarget:
|
|
case XmlReadResumeState_PIBody:
|
|
return reader_parse_pi(reader);
|
|
case XmlReadResumeState_Comment:
|
|
return reader_parse_comment(reader);
|
|
default:
|
|
ERR("unknown resume state %d\n", reader->resumestate);
|
|
}
|
|
}
|
|
|
|
while (1)
|
|
{
|
|
const WCHAR *cur = reader_get_cur(reader);
|
|
|
|
if (is_wchar_space(*cur))
|
|
hr = reader_parse_whitespace(reader);
|
|
else if (!reader_cmp(reader, commentW))
|
|
hr = reader_parse_comment(reader);
|
|
else if (!reader_cmp(reader, piW))
|
|
hr = reader_parse_pi(reader);
|
|
else
|
|
break;
|
|
|
|
if (hr != S_FALSE) return hr;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
/* [11] SystemLiteral ::= ('"' [^"]* '"') | ("'" [^']* "'") */
|
|
static HRESULT reader_parse_sys_literal(xmlreader *reader, strval *literal)
|
|
{
|
|
WCHAR *start = reader_get_cur(reader), *cur, quote;
|
|
|
|
if (*start != '"' && *start != '\'') return WC_E_QUOTE;
|
|
|
|
quote = *start;
|
|
reader_skipn(reader, 1);
|
|
|
|
cur = start = reader_get_cur(reader);
|
|
while (is_char(*cur) && *cur != quote)
|
|
{
|
|
reader_skipn(reader, 1);
|
|
cur = reader_get_cur(reader);
|
|
}
|
|
if (*cur == quote) reader_skipn(reader, 1);
|
|
|
|
literal->str = start;
|
|
literal->len = cur-start;
|
|
TRACE("%s\n", debugstr_wn(start, cur-start));
|
|
return S_OK;
|
|
}
|
|
|
|
/* [12] PubidLiteral ::= '"' PubidChar* '"' | "'" (PubidChar - "'")* "'"
|
|
[13] PubidChar ::= #x20 | #xD | #xA | [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%] */
|
|
static HRESULT reader_parse_pub_literal(xmlreader *reader, strval *literal)
|
|
{
|
|
WCHAR *start = reader_get_cur(reader), *cur, quote;
|
|
|
|
if (*start != '"' && *start != '\'') return WC_E_QUOTE;
|
|
|
|
quote = *start;
|
|
reader_skipn(reader, 1);
|
|
|
|
cur = start;
|
|
while (is_pubchar(*cur) && *cur != quote)
|
|
{
|
|
reader_skipn(reader, 1);
|
|
cur = reader_get_cur(reader);
|
|
}
|
|
|
|
reader_init_strvalue(start, cur-start, literal);
|
|
TRACE("%s\n", debugstr_wn(start, cur-start));
|
|
return S_OK;
|
|
}
|
|
|
|
/* [75] ExternalID ::= 'SYSTEM' S SystemLiteral | 'PUBLIC' S PubidLiteral S SystemLiteral */
|
|
static HRESULT reader_parse_externalid(xmlreader *reader)
|
|
{
|
|
static WCHAR systemW[] = {'S','Y','S','T','E','M',0};
|
|
static WCHAR publicW[] = {'P','U','B','L','I','C',0};
|
|
strval name;
|
|
HRESULT hr;
|
|
int cnt;
|
|
|
|
if (reader_cmp(reader, systemW))
|
|
{
|
|
if (reader_cmp(reader, publicW))
|
|
return S_FALSE;
|
|
else
|
|
{
|
|
strval pub;
|
|
|
|
/* public id */
|
|
reader_skipn(reader, 6);
|
|
cnt = reader_skipspaces(reader);
|
|
if (!cnt) return WC_E_WHITESPACE;
|
|
|
|
hr = reader_parse_pub_literal(reader, &pub);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
reader_init_strvalue(publicW, strlenW(publicW), &name);
|
|
return reader_add_attr(reader, &name, &pub);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
strval sys;
|
|
|
|
/* system id */
|
|
reader_skipn(reader, 6);
|
|
cnt = reader_skipspaces(reader);
|
|
if (!cnt) return WC_E_WHITESPACE;
|
|
|
|
hr = reader_parse_sys_literal(reader, &sys);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
reader_init_strvalue(systemW, strlenW(systemW), &name);
|
|
return reader_add_attr(reader, &name, &sys);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
/* [28] doctypedecl ::= '<!DOCTYPE' S Name (S ExternalID)? S? ('[' intSubset ']' S?)? '>' */
|
|
static HRESULT reader_parse_dtd(xmlreader *reader)
|
|
{
|
|
static const WCHAR doctypeW[] = {'<','!','D','O','C','T','Y','P','E',0};
|
|
strval name;
|
|
WCHAR *cur;
|
|
HRESULT hr;
|
|
|
|
/* check if we have "<!DOCTYPE" */
|
|
if (reader_cmp(reader, doctypeW)) return S_FALSE;
|
|
reader_shrink(reader);
|
|
|
|
/* DTD processing is not allowed by default */
|
|
if (reader->dtdmode == DtdProcessing_Prohibit) return WC_E_DTDPROHIBITED;
|
|
|
|
reader_skipn(reader, 9);
|
|
if (!reader_skipspaces(reader)) return WC_E_WHITESPACE;
|
|
|
|
/* name */
|
|
hr = reader_parse_name(reader, &name);
|
|
if (FAILED(hr)) return WC_E_DECLDOCTYPE;
|
|
|
|
reader_skipspaces(reader);
|
|
|
|
hr = reader_parse_externalid(reader);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
reader_skipspaces(reader);
|
|
|
|
cur = reader_get_cur(reader);
|
|
if (*cur != '>')
|
|
{
|
|
FIXME("internal subset parsing not implemented\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
/* skip '>' */
|
|
reader_skipn(reader, 1);
|
|
|
|
reader->nodetype = XmlNodeType_DocumentType;
|
|
reader_set_strvalue(reader, StringValue_LocalName, &name);
|
|
reader_set_strvalue(reader, StringValue_QualifiedName, &name);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* [11 NS] LocalPart ::= NCName */
|
|
static HRESULT reader_parse_local(xmlreader *reader, strval *local)
|
|
{
|
|
WCHAR *ptr, *start;
|
|
|
|
if (reader->resume[XmlReadResume_Local])
|
|
{
|
|
start = reader->resume[XmlReadResume_Local];
|
|
ptr = reader_get_cur(reader);
|
|
}
|
|
else
|
|
{
|
|
ptr = start = reader_get_cur(reader);
|
|
}
|
|
|
|
while (is_ncnamechar(*ptr))
|
|
{
|
|
reader_skipn(reader, 1);
|
|
ptr = reader_get_cur(reader);
|
|
}
|
|
|
|
if (is_reader_pending(reader))
|
|
{
|
|
reader->resume[XmlReadResume_Local] = start;
|
|
return E_PENDING;
|
|
}
|
|
else
|
|
reader->resume[XmlReadResume_Local] = NULL;
|
|
|
|
reader_init_strvalue(start, ptr-start, local);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* [7 NS] QName ::= PrefixedName | UnprefixedName
|
|
[8 NS] PrefixedName ::= Prefix ':' LocalPart
|
|
[9 NS] UnprefixedName ::= LocalPart
|
|
[10 NS] Prefix ::= NCName */
|
|
static HRESULT reader_parse_qname(xmlreader *reader, strval *prefix, strval *local, strval *qname)
|
|
{
|
|
WCHAR *ptr, *start;
|
|
HRESULT hr;
|
|
|
|
if (reader->resume[XmlReadResume_Name])
|
|
{
|
|
start = reader->resume[XmlReadResume_Name];
|
|
ptr = reader_get_cur(reader);
|
|
}
|
|
else
|
|
{
|
|
ptr = start = reader_get_cur(reader);
|
|
reader->resume[XmlReadResume_Name] = start;
|
|
if (!is_ncnamechar(*ptr)) return NC_E_QNAMECHARACTER;
|
|
}
|
|
|
|
if (reader->resume[XmlReadResume_Local])
|
|
{
|
|
hr = reader_parse_local(reader, local);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
reader_init_strvalue(reader->resume[XmlReadResume_Name],
|
|
local->start - reader->resume[XmlReadResume_Name] - 1,
|
|
prefix);
|
|
}
|
|
else
|
|
{
|
|
/* skip prefix part */
|
|
while (is_ncnamechar(*ptr))
|
|
{
|
|
reader_skipn(reader, 1);
|
|
ptr = reader_get_cur(reader);
|
|
}
|
|
|
|
if (is_reader_pending(reader)) return E_PENDING;
|
|
|
|
/* got a qualified name */
|
|
if (*ptr == ':')
|
|
{
|
|
reader_init_strvalue(start, ptr-start, prefix);
|
|
|
|
/* skip ':' */
|
|
reader_skipn(reader, 1);
|
|
hr = reader_parse_local(reader, local);
|
|
if (FAILED(hr)) return hr;
|
|
}
|
|
else
|
|
{
|
|
reader_init_strvalue(reader->resume[XmlReadResume_Name], ptr-reader->resume[XmlReadResume_Name], local);
|
|
reader_init_strvalue(NULL, 0, prefix);
|
|
}
|
|
}
|
|
|
|
reader_init_strvalue(start, ptr-start, local);
|
|
|
|
if (prefix->len)
|
|
TRACE("qname %s:%s\n", debugstr_wn(prefix->start, prefix->len), debugstr_wn(local->start, local->len));
|
|
else
|
|
TRACE("ncname %s\n", debugstr_wn(local->start, local->len));
|
|
|
|
reader_init_strvalue(prefix->start ? prefix->start : local->start,
|
|
/* count ':' too */
|
|
(prefix->len ? prefix->len + 1 : 0) + local->len,
|
|
qname);
|
|
|
|
reader->resume[XmlReadResume_Name] = NULL;
|
|
reader->resume[XmlReadResume_Local] = NULL;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* [12 NS] STag ::= '<' QName (S Attribute)* S? '>'
|
|
[14 NS] EmptyElemTag ::= '<' QName (S Attribute)* S? '/>' */
|
|
static HRESULT reader_parse_stag(xmlreader *reader, strval *prefix, strval *local, strval *qname, int *empty)
|
|
{
|
|
static const WCHAR endW[] = {'/','>',0};
|
|
HRESULT hr;
|
|
|
|
hr = reader_parse_qname(reader, prefix, local, qname);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
reader_skipspaces(reader);
|
|
|
|
/* empty element */
|
|
if ((*empty = !reader_cmp(reader, endW)))
|
|
{
|
|
/* skip '/>' */
|
|
reader_skipn(reader, 2);
|
|
return S_OK;
|
|
}
|
|
|
|
/* got a start tag */
|
|
if (!reader_cmp(reader, gtW))
|
|
{
|
|
/* skip '>' */
|
|
reader_skipn(reader, 1);
|
|
return reader_push_element(reader, qname);
|
|
}
|
|
|
|
FIXME("only empty elements/start tags without attribute list supported\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
/* [39] element ::= EmptyElemTag | STag content ETag */
|
|
static HRESULT reader_parse_element(xmlreader *reader)
|
|
{
|
|
HRESULT hr;
|
|
|
|
switch (reader->resumestate)
|
|
{
|
|
case XmlReadResumeState_Initial:
|
|
/* check if we are really on element */
|
|
if (reader_cmp(reader, ltW)) return S_FALSE;
|
|
|
|
/* skip '<' */
|
|
reader_skipn(reader, 1);
|
|
|
|
reader_shrink(reader);
|
|
reader->resumestate = XmlReadResumeState_STag;
|
|
case XmlReadResumeState_STag:
|
|
{
|
|
strval qname, prefix, local;
|
|
int empty = 0;
|
|
|
|
/* this handles empty elements too */
|
|
hr = reader_parse_stag(reader, &prefix, &local, &qname, &empty);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
/* FIXME: need to check for defined namespace to reject invalid prefix,
|
|
currently reject all prefixes */
|
|
if (prefix.len) return NC_E_UNDECLAREDPREFIX;
|
|
|
|
/* if we got empty element and stack is empty go straight to Misc */
|
|
if (empty && list_empty(&reader->elements))
|
|
reader->instate = XmlReadInState_MiscEnd;
|
|
else
|
|
reader->instate = XmlReadInState_Content;
|
|
|
|
reader->nodetype = XmlNodeType_Element;
|
|
reader->resumestate = XmlReadResumeState_Initial;
|
|
reader_set_strvalue(reader, StringValue_LocalName, &local);
|
|
reader_set_strvalue(reader, StringValue_QualifiedName, &qname);
|
|
break;
|
|
}
|
|
default:
|
|
hr = E_FAIL;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
/* [13 NS] ETag ::= '</' QName S? '>' */
|
|
static HRESULT reader_parse_endtag(xmlreader *reader)
|
|
{
|
|
strval prefix, local, qname;
|
|
struct element *elem;
|
|
HRESULT hr;
|
|
|
|
/* skip '</' */
|
|
reader_skipn(reader, 2);
|
|
|
|
hr = reader_parse_qname(reader, &prefix, &local, &qname);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
reader_skipspaces(reader);
|
|
|
|
if (reader_cmp(reader, gtW)) return WC_E_GREATERTHAN;
|
|
|
|
/* skip '>' */
|
|
reader_skipn(reader, 1);
|
|
|
|
/* Element stack should never be empty at this point, cause we shouldn't get to
|
|
content parsing if it's empty. */
|
|
elem = LIST_ENTRY(list_head(&reader->elements), struct element, entry);
|
|
if (!strval_eq(&elem->qname, &qname)) return WC_E_ELEMENTMATCH;
|
|
|
|
reader_pop_element(reader);
|
|
|
|
reader->nodetype = XmlNodeType_EndElement;
|
|
reader_set_strvalue(reader, StringValue_LocalName, &local);
|
|
reader_set_strvalue(reader, StringValue_QualifiedName, &qname);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* [18] CDSect ::= CDStart CData CDEnd
|
|
[19] CDStart ::= '<![CDATA['
|
|
[20] CData ::= (Char* - (Char* ']]>' Char*))
|
|
[21] CDEnd ::= ']]>' */
|
|
static HRESULT reader_parse_cdata(xmlreader *reader)
|
|
{
|
|
WCHAR *start, *ptr;
|
|
|
|
if (reader->resume[XmlReadResume_Body])
|
|
{
|
|
start = reader->resume[XmlReadResume_Body];
|
|
ptr = reader_get_cur(reader);
|
|
}
|
|
else
|
|
{
|
|
/* skip markup '<![CDATA[' */
|
|
reader_skipn(reader, 9);
|
|
reader_shrink(reader);
|
|
ptr = start = reader_get_cur(reader);
|
|
reader->nodetype = XmlNodeType_CDATA;
|
|
reader->resume[XmlReadResume_Body] = start;
|
|
reader->resumestate = XmlReadResumeState_CDATA;
|
|
reader_set_strvalue(reader, StringValue_LocalName, NULL);
|
|
reader_set_strvalue(reader, StringValue_QualifiedName, NULL);
|
|
reader_set_strvalue(reader, StringValue_Value, NULL);
|
|
}
|
|
|
|
while (*ptr)
|
|
{
|
|
if (*ptr == ']' && *(ptr+1) == ']' && *(ptr+2) == '>')
|
|
{
|
|
strval value;
|
|
|
|
TRACE("%s\n", debugstr_wn(start, ptr-start));
|
|
/* skip ']]>' */
|
|
reader_skipn(reader, 3);
|
|
reader_init_strvalue(start, ptr-start, &value);
|
|
reader_set_strvalue(reader, StringValue_LocalName, &strval_empty);
|
|
reader_set_strvalue(reader, StringValue_QualifiedName, &strval_empty);
|
|
reader_set_strvalue(reader, StringValue_Value, &value);
|
|
reader->resume[XmlReadResume_Body] = NULL;
|
|
reader->resumestate = XmlReadResumeState_Initial;
|
|
return S_OK;
|
|
}
|
|
else
|
|
{
|
|
/* Value normalization is not fully implemented, rules are:
|
|
|
|
- single '\r' -> '\n';
|
|
- sequence '\r\n' -> '\n', in this case value length changes;
|
|
*/
|
|
if (*ptr == '\r') *ptr = '\n';
|
|
reader_skipn(reader, 1);
|
|
ptr++;
|
|
}
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* [66] CharRef ::= '&#' [0-9]+ ';' | '&#x' [0-9a-fA-F]+ ';'
|
|
[67] Reference ::= EntityRef | CharRef
|
|
[68] EntityRef ::= '&' Name ';' */
|
|
static HRESULT reader_parse_reference(xmlreader *reader)
|
|
{
|
|
FIXME("References not supported\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
/* [14] CharData ::= [^<&]* - ([^<&]* ']]>' [^<&]*) */
|
|
static HRESULT reader_parse_chardata(xmlreader *reader)
|
|
{
|
|
FIXME("CharData not supported\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
/* [43] content ::= CharData? ((element | Reference | CDSect | PI | Comment) CharData?)* */
|
|
static HRESULT reader_parse_content(xmlreader *reader)
|
|
{
|
|
static const WCHAR cdstartW[] = {'<','!','[','C','D','A','T','A','[',0};
|
|
static const WCHAR etagW[] = {'<','/',0};
|
|
static const WCHAR ampW[] = {'&',0};
|
|
|
|
if (reader->resumestate != XmlReadResumeState_Initial)
|
|
{
|
|
switch (reader->resumestate)
|
|
{
|
|
case XmlReadResumeState_CDATA:
|
|
return reader_parse_cdata(reader);
|
|
case XmlReadResumeState_Comment:
|
|
return reader_parse_comment(reader);
|
|
case XmlReadResumeState_PIBody:
|
|
case XmlReadResumeState_PITarget:
|
|
return reader_parse_pi(reader);
|
|
default:
|
|
ERR("unknown resume state %d\n", reader->resumestate);
|
|
}
|
|
}
|
|
|
|
reader_shrink(reader);
|
|
|
|
/* handle end tag here, it indicates end of content as well */
|
|
if (!reader_cmp(reader, etagW))
|
|
return reader_parse_endtag(reader);
|
|
|
|
if (!reader_cmp(reader, commentW))
|
|
return reader_parse_comment(reader);
|
|
|
|
if (!reader_cmp(reader, piW))
|
|
return reader_parse_pi(reader);
|
|
|
|
if (!reader_cmp(reader, cdstartW))
|
|
return reader_parse_cdata(reader);
|
|
|
|
if (!reader_cmp(reader, ampW))
|
|
return reader_parse_reference(reader);
|
|
|
|
if (!reader_cmp(reader, ltW))
|
|
return reader_parse_element(reader);
|
|
|
|
/* what's left must be CharData */
|
|
return reader_parse_chardata(reader);
|
|
}
|
|
|
|
static HRESULT reader_parse_nextnode(xmlreader *reader)
|
|
{
|
|
HRESULT hr;
|
|
|
|
while (1)
|
|
{
|
|
switch (reader->instate)
|
|
{
|
|
/* if it's a first call for a new input we need to detect stream encoding */
|
|
case XmlReadInState_Initial:
|
|
{
|
|
xml_encoding enc;
|
|
|
|
hr = readerinput_growraw(reader->input);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
/* try to detect encoding by BOM or data and set input code page */
|
|
hr = readerinput_detectencoding(reader->input, &enc);
|
|
TRACE("detected encoding %s, 0x%08x\n", debugstr_w(xml_encoding_map[enc].name), hr);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
/* always switch first time cause we have to put something in */
|
|
readerinput_switchencoding(reader->input, enc);
|
|
|
|
/* parse xml declaration */
|
|
hr = reader_parse_xmldecl(reader);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
readerinput_shrinkraw(reader->input, -1);
|
|
reader->instate = XmlReadInState_Misc_DTD;
|
|
if (hr == S_OK) return hr;
|
|
}
|
|
break;
|
|
case XmlReadInState_Misc_DTD:
|
|
hr = reader_parse_misc(reader);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
if (hr == S_FALSE)
|
|
reader->instate = XmlReadInState_DTD;
|
|
else
|
|
return hr;
|
|
break;
|
|
case XmlReadInState_DTD:
|
|
hr = reader_parse_dtd(reader);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
if (hr == S_OK)
|
|
{
|
|
reader->instate = XmlReadInState_DTD_Misc;
|
|
return hr;
|
|
}
|
|
else
|
|
reader->instate = XmlReadInState_Element;
|
|
break;
|
|
case XmlReadInState_DTD_Misc:
|
|
hr = reader_parse_misc(reader);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
if (hr == S_FALSE)
|
|
reader->instate = XmlReadInState_Element;
|
|
else
|
|
return hr;
|
|
break;
|
|
case XmlReadInState_Element:
|
|
return reader_parse_element(reader);
|
|
case XmlReadInState_Content:
|
|
return reader_parse_content(reader);
|
|
default:
|
|
FIXME("internal state %d not handled\n", reader->instate);
|
|
return E_NOTIMPL;
|
|
}
|
|
}
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_QueryInterface(IXmlReader *iface, REFIID riid, void** ppvObject)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
|
|
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
|
|
|
|
if (IsEqualGUID(riid, &IID_IUnknown) ||
|
|
IsEqualGUID(riid, &IID_IXmlReader))
|
|
{
|
|
*ppvObject = iface;
|
|
}
|
|
else
|
|
{
|
|
FIXME("interface %s not implemented\n", debugstr_guid(riid));
|
|
*ppvObject = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
IXmlReader_AddRef(iface);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static ULONG WINAPI xmlreader_AddRef(IXmlReader *iface)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
ULONG ref = InterlockedIncrement(&This->ref);
|
|
TRACE("(%p)->(%d)\n", This, ref);
|
|
return ref;
|
|
}
|
|
|
|
static ULONG WINAPI xmlreader_Release(IXmlReader *iface)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(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->IXmlReaderInput_iface);
|
|
reader_clear_attrs(This);
|
|
reader_clear_elements(This);
|
|
reader_free_strvalues(This);
|
|
reader_free(This, This);
|
|
if (imalloc) IMalloc_Release(imalloc);
|
|
}
|
|
|
|
return ref;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_SetInput(IXmlReader* iface, IUnknown *input)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
IXmlReaderInput *readerinput;
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)->(%p)\n", This, input);
|
|
|
|
if (This->input)
|
|
{
|
|
readerinput_release_stream(This->input);
|
|
IUnknown_Release(&This->input->IXmlReaderInput_iface);
|
|
This->input = NULL;
|
|
}
|
|
|
|
This->line = This->pos = 0;
|
|
reader_clear_elements(This);
|
|
This->depth = 0;
|
|
This->resumestate = XmlReadResumeState_Initial;
|
|
memset(This->resume, 0, sizeof(This->resume));
|
|
|
|
/* just reset current input */
|
|
if (!input)
|
|
{
|
|
This->state = XmlReadState_Initial;
|
|
return S_OK;
|
|
}
|
|
|
|
/* now try IXmlReaderInput, ISequentialStream, IStream */
|
|
hr = IUnknown_QueryInterface(input, &IID_IXmlReaderInput, (void**)&readerinput);
|
|
if (hr == S_OK)
|
|
{
|
|
if (readerinput->lpVtbl == &xmlreaderinputvtbl)
|
|
This->input = impl_from_IXmlReaderInput(readerinput);
|
|
else
|
|
{
|
|
ERR("got external IXmlReaderInput implementation: %p, vtbl=%p\n",
|
|
readerinput, readerinput->lpVtbl);
|
|
IUnknown_Release(readerinput);
|
|
return E_FAIL;
|
|
|
|
}
|
|
}
|
|
|
|
if (hr != S_OK || !readerinput)
|
|
{
|
|
/* create IXmlReaderInput basing on supplied interface */
|
|
hr = CreateXmlReaderInputWithEncodingName(input,
|
|
NULL, NULL, FALSE, NULL, &readerinput);
|
|
if (hr != S_OK) return hr;
|
|
This->input = impl_from_IXmlReaderInput(readerinput);
|
|
}
|
|
|
|
/* set stream for supplied IXmlReaderInput */
|
|
hr = readerinput_query_for_stream(This->input);
|
|
if (hr == S_OK)
|
|
{
|
|
This->state = XmlReadState_Initial;
|
|
This->instate = XmlReadInState_Initial;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_GetProperty(IXmlReader* iface, UINT property, LONG_PTR *value)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
|
|
TRACE("(%p %u %p)\n", This, property, value);
|
|
|
|
if (!value) return E_INVALIDARG;
|
|
|
|
switch (property)
|
|
{
|
|
case XmlReaderProperty_DtdProcessing:
|
|
*value = This->dtdmode;
|
|
break;
|
|
case XmlReaderProperty_ReadState:
|
|
*value = This->state;
|
|
break;
|
|
default:
|
|
FIXME("Unimplemented property (%u)\n", property);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_SetProperty(IXmlReader* iface, UINT property, LONG_PTR value)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
|
|
TRACE("(%p %u %lu)\n", iface, property, value);
|
|
|
|
switch (property)
|
|
{
|
|
case XmlReaderProperty_DtdProcessing:
|
|
if (value < 0 || value > _DtdProcessing_Last) return E_INVALIDARG;
|
|
This->dtdmode = value;
|
|
break;
|
|
default:
|
|
FIXME("Unimplemented property (%u)\n", property);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_Read(IXmlReader* iface, XmlNodeType *nodetype)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
XmlNodeType oldtype = This->nodetype;
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)->(%p)\n", This, nodetype);
|
|
|
|
if (This->state == XmlReadState_Closed) return S_FALSE;
|
|
|
|
hr = reader_parse_nextnode(This);
|
|
if (oldtype == XmlNodeType_None && This->nodetype != oldtype)
|
|
This->state = XmlReadState_Interactive;
|
|
if (hr == S_OK) *nodetype = This->nodetype;
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_GetNodeType(IXmlReader* iface, XmlNodeType *node_type)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
TRACE("(%p)->(%p)\n", This, node_type);
|
|
|
|
/* When we're on attribute always return attribute type, container node type is kept.
|
|
Note that container is not necessarily an element, and attribute doesn't mean it's
|
|
an attribute in XML spec terms. */
|
|
*node_type = This->attr ? XmlNodeType_Attribute : This->nodetype;
|
|
return This->state == XmlReadState_Closed ? S_FALSE : S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_MoveToFirstAttribute(IXmlReader* iface)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
|
|
TRACE("(%p)\n", This);
|
|
|
|
if (!This->attr_count) return S_FALSE;
|
|
This->attr = LIST_ENTRY(list_head(&This->attrs), struct attribute, entry);
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_MoveToNextAttribute(IXmlReader* iface)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
const struct list *next;
|
|
|
|
TRACE("(%p)\n", This);
|
|
|
|
if (!This->attr_count) return S_FALSE;
|
|
|
|
if (!This->attr)
|
|
return IXmlReader_MoveToFirstAttribute(iface);
|
|
|
|
next = list_next(&This->attrs, &This->attr->entry);
|
|
if (next)
|
|
This->attr = LIST_ENTRY(next, struct attribute, entry);
|
|
|
|
return next ? S_OK : S_FALSE;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_MoveToAttributeByName(IXmlReader* iface,
|
|
LPCWSTR local_name,
|
|
LPCWSTR namespaceUri)
|
|
{
|
|
FIXME("(%p %p %p): stub\n", iface, local_name, namespaceUri);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_MoveToElement(IXmlReader* iface)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
|
|
TRACE("(%p)\n", This);
|
|
|
|
if (!This->attr_count) return S_FALSE;
|
|
This->attr = NULL;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_GetQualifiedName(IXmlReader* iface, LPCWSTR *name, UINT *len)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
|
|
TRACE("(%p)->(%p %p)\n", This, name, len);
|
|
*name = This->strvalues[StringValue_QualifiedName].str;
|
|
*len = This->strvalues[StringValue_QualifiedName].len;
|
|
return S_OK;
|
|
}
|
|
|
|
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 *name, UINT *len)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
|
|
TRACE("(%p)->(%p %p)\n", This, name, len);
|
|
*name = This->strvalues[StringValue_LocalName].str;
|
|
*len = This->strvalues[StringValue_LocalName].len;
|
|
return S_OK;
|
|
}
|
|
|
|
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, const WCHAR **value, UINT *len)
|
|
{
|
|
xmlreader *reader = impl_from_IXmlReader(iface);
|
|
strval *val = &reader->strvalues[StringValue_Value];
|
|
|
|
TRACE("(%p)->(%p %p)\n", reader, value, len);
|
|
|
|
*value = NULL;
|
|
|
|
if ((reader->nodetype == XmlNodeType_Comment && !val->str) || is_reader_pending(reader))
|
|
{
|
|
XmlNodeType type;
|
|
HRESULT hr;
|
|
|
|
hr = IXmlReader_Read(iface, &type);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
/* return if still pending, partially read values are not reported */
|
|
if (is_reader_pending(reader)) return E_PENDING;
|
|
}
|
|
|
|
if (!val->str)
|
|
{
|
|
val->str = reader_alloc(reader, (val->len+1)*sizeof(WCHAR));
|
|
if (!val->str) return E_OUTOFMEMORY;
|
|
memcpy(val->str, val->start, val->len*sizeof(WCHAR));
|
|
val->str[val->len] = 0;
|
|
}
|
|
|
|
*value = val->str;
|
|
if (len) *len = val->len;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_ReadValueChunk(IXmlReader* iface, WCHAR *buffer, UINT chunk_size, UINT *read)
|
|
{
|
|
xmlreader *reader = impl_from_IXmlReader(iface);
|
|
strval *val = &reader->strvalues[StringValue_Value];
|
|
UINT len;
|
|
|
|
TRACE("(%p)->(%p %u %p)\n", reader, buffer, chunk_size, read);
|
|
|
|
/* Value is already allocated, chunked reads are not possible. */
|
|
if (val->str) return S_FALSE;
|
|
|
|
if (val->len)
|
|
{
|
|
len = min(chunk_size, val->len);
|
|
memcpy(buffer, val->start, len);
|
|
val->start += len;
|
|
val->len -= len;
|
|
if (read) *read = len;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
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 *count)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
|
|
TRACE("(%p)->(%p)\n", This, count);
|
|
|
|
if (!count) return E_INVALIDARG;
|
|
|
|
*count = This->attr_count;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI xmlreader_GetDepth(IXmlReader* iface, UINT *depth)
|
|
{
|
|
xmlreader *This = impl_from_IXmlReader(iface);
|
|
TRACE("(%p)->(%p)\n", This, depth);
|
|
*depth = This->depth;
|
|
return S_OK;
|
|
}
|
|
|
|
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));
|
|
*ppvObject = NULL;
|
|
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 xmlreaderinputvtbl =
|
|
{
|
|
xmlreaderinput_QueryInterface,
|
|
xmlreaderinput_AddRef,
|
|
xmlreaderinput_Release
|
|
};
|
|
|
|
HRESULT WINAPI CreateXmlReader(REFIID riid, void **obj, IMalloc *imalloc)
|
|
{
|
|
xmlreader *reader;
|
|
int i;
|
|
|
|
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->instate = XmlReadInState_Initial;
|
|
reader->resumestate = XmlReadResumeState_Initial;
|
|
reader->dtdmode = DtdProcessing_Prohibit;
|
|
reader->line = reader->pos = 0;
|
|
reader->imalloc = imalloc;
|
|
if (imalloc) IMalloc_AddRef(imalloc);
|
|
reader->nodetype = XmlNodeType_None;
|
|
list_init(&reader->attrs);
|
|
reader->attr_count = 0;
|
|
reader->attr = NULL;
|
|
list_init(&reader->elements);
|
|
reader->depth = 0;
|
|
memset(reader->resume, 0, sizeof(reader->resume));
|
|
|
|
for (i = 0; i < StringValue_Last; i++)
|
|
reader->strvalues[i] = strval_empty;
|
|
|
|
*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 = &xmlreaderinputvtbl;
|
|
readerinput->ref = 1;
|
|
readerinput->imalloc = imalloc;
|
|
readerinput->stream = NULL;
|
|
if (imalloc) IMalloc_AddRef(imalloc);
|
|
readerinput->encoding = parse_encoding_name(encoding, -1);
|
|
readerinput->hint = hint;
|
|
readerinput->baseuri = readerinput_strdupW(readerinput, base_uri);
|
|
readerinput->pending = 0;
|
|
|
|
hr = alloc_input_buffer(readerinput);
|
|
if (hr != S_OK)
|
|
{
|
|
readerinput_free(readerinput, readerinput->baseuri);
|
|
readerinput_free(readerinput, readerinput);
|
|
if (imalloc) IMalloc_Release(imalloc);
|
|
return hr;
|
|
}
|
|
IUnknown_QueryInterface(stream, &IID_IUnknown, (void**)&readerinput->input);
|
|
|
|
*ppInput = &readerinput->IXmlReaderInput_iface;
|
|
|
|
TRACE("returning iface %p\n", *ppInput);
|
|
|
|
return S_OK;
|
|
}
|