初步修复
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Cussrro
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46705 changed files with 12004901 additions and 0 deletions
329
Common/Utility/LiteHTMLReader.cpp
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329
Common/Utility/LiteHTMLReader.cpp
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#include "stdafx.h"
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#include "LiteHTMLReader.h"
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#include "LiteHTMLEntityResolver.h"
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#ifdef _DEBUG
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#define new new(_NORMAL_BLOCK,__FILE__,__LINE__)
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#endif
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#pragma warning(push, 4)
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UINT CLiteHTMLReader::parseDocument(void)
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{
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ASSERT(m_lpszBuffer != NULL);
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bool bAbort = false; // continue parsing or abort?
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bool bIsClosingTag = false; // tag parsed is a closing tag?
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bool bIsOpeningTag = false; // tag parsed is an opening tag?
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CStringW strCharacters; // character data
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CStringW strComment; // comment data
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CStringW strT; // temporary storage
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DWORD dwCharDataStart = 0L; // starting position of character data
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DWORD dwCharDataLen = 0L; // length of character data
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LONG lTemp = 0L; // temporary storage
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wchar_t ch = 0; // character at current buffer position
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CLiteHTMLTag oTag; // tag information
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if ( (!m_lpszBuffer) || (!m_dwBufLen) )
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return (0U);
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// reset seek pointer to beginning
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ResetSeekPointer();
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// notify event handler about parsing startup
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if (getEventNotify(notifyStartStop))
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{
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bAbort = false;
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m_pEventHandler->BeginParse(m_dwAppData, bAbort);
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if (bAbort) goto LEndParse;
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}
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// skip leading white-space characters
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while (isWhiteSpace(ReadChar()))
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;
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ch = UngetChar();
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while ((ch = ReadChar()) != NULL)
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{
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switch (ch)
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{
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// tag starting delimeter?
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case L'<':
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{
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UngetChar();
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strComment.Empty();
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if (!parseComment(strComment))
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{
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bIsOpeningTag = false;
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bIsClosingTag = false;
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if (!parseTag(oTag, bIsOpeningTag, bIsClosingTag))
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{
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++dwCharDataLen;
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// manually advance buffer position
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// because the last call to UngetChar()
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// moved it back one character
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ch = ReadChar();
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break;
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}
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}
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// clear pending notifications
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if ( (dwCharDataLen) || (strCharacters.GetLength()) )
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{
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strCharacters += CStringW(&m_lpszBuffer[dwCharDataStart], dwCharDataLen);
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NormalizeCharacters(strCharacters);
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//strCharacters.Replace(L"\r\n", L"");
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//strCharacters.Remove(L'\n');
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//strCharacters.Replace(L'\r', L' ');
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//strCharacters.Replace(L'\t', L' ');
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if ( (strCharacters.GetLength()) &&
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(getEventNotify(notifyCharacters)) )
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{
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bAbort = false;
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m_pEventHandler->Characters(strCharacters, m_dwAppData, bAbort);
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if (bAbort) goto LEndParse;
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}
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strCharacters.Empty();
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}
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dwCharDataLen = 0L;
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dwCharDataStart = m_dwBufPos;
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if (strComment.GetLength())
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{
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if (getEventNotify(notifyComment))
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{
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bAbort = false;
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m_pEventHandler->Comment(strComment, m_dwAppData, bAbort);
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if (bAbort) goto LEndParse;
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}
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}
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else
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{
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if ( (bIsOpeningTag) && (getEventNotify(notifyTagStart)) )
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{
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bAbort = false;
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m_pEventHandler->StartTag(&oTag, m_dwAppData, bAbort);
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if (bAbort) goto LEndParse;
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}
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if ( (bIsClosingTag) && (getEventNotify(notifyTagEnd)) )
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{
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bAbort = false;
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m_pEventHandler->EndTag(&oTag, m_dwAppData, bAbort);
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if (bAbort) goto LEndParse;
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}
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}
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break;
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}
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// entity reference beginning delimeter?
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case L'&':
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{
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UngetChar();
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lTemp = 0;
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if (m_bResolveEntities)
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lTemp = CLiteHTMLEntityResolver::resolveEntity(&m_lpszBuffer[m_dwBufPos], ch);
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if (lTemp)
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{
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strCharacters += CStringW(&m_lpszBuffer[dwCharDataStart], dwCharDataLen) + ch;
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m_dwBufPos += lTemp;
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dwCharDataStart = m_dwBufPos;
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dwCharDataLen = 0L;
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}
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else
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{
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ch = ReadChar();
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++dwCharDataLen;
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}
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break;
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}
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// any other character
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default:
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{
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++dwCharDataLen;
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break;
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}
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}
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}
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// clear pending notifications
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if ( (dwCharDataLen) || (strCharacters.GetLength()) )
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{
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strCharacters += CStringW(&m_lpszBuffer[dwCharDataStart], dwCharDataLen) + ch;
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NormalizeCharacters(strCharacters);
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strCharacters.TrimRight(); // explicit trailing white-space removal
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if ( (strCharacters.GetLength()) &&
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(getEventNotify(notifyCharacters)) )
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{
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bAbort = false;
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m_pEventHandler->Characters(strCharacters, m_dwAppData, bAbort);
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if (bAbort) goto LEndParse;
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}
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}
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LEndParse:
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// notify event handler about parsing completion
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if (getEventNotify(notifyStartStop))
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m_pEventHandler->EndParse(m_dwAppData, bAbort);
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m_lpszBuffer = NULL;
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m_dwBufLen = 0L;
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return (m_dwBufPos);
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}
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UINT CLiteHTMLReader::ReadFile( const wchar_t *filename )
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{
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wchar_t wszBuf[1024+1]={0};
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FILE* fileHandle;
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errno_t err;
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size_t nRetSize(0);
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if ((err = _wfopen_s(&fileHandle, filename, L"rt,ccs=UTF-8")) != 0)
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{
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//wprintf(L"CLiteHTMLReader::ReadFile, the file was not opened!\n";
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return(0U);
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}
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std::wstring strString;
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while( !feof( fileHandle ) )
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{
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nRetSize = fread( wszBuf, sizeof( wchar_t ), 1024, fileHandle );
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if( ferror( fileHandle ) )
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{
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perror( "Read error" );
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break;
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}
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wszBuf[nRetSize] = NULL;
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strString += wszBuf;
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}
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fclose( fileHandle );
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return Read( strString.c_str() );
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}
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UINT CLiteHTMLReader::ReadFile( const char *filename )
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{
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wchar_t wszBuf[1024+1]={0};
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FILE* fileHandle;
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errno_t err;
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size_t nRetSize(0);
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if ((err = fopen_s(&fileHandle, filename, "rt,ccs=UTF-8")) != 0)
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{
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//wprintf(L"CLiteHTMLReader::ReadFile, the file was not opened!\n";
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return(0U);
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}
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std::wstring strString;
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while( !feof( fileHandle ) )
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{
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nRetSize = fread( wszBuf, sizeof( wchar_t ), 1024, fileHandle );
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if( ferror( fileHandle ) )
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{
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perror( "Read error" );
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break;
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}
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wszBuf[nRetSize] = NULL;
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strString += wszBuf;
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}
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fclose( fileHandle );
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return Read( strString.c_str() );
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}
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UINT CLiteHTMLReader::Read(LPCWSTR lpszString)
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{
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ASSERT(lpszString);
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//ASSERT(AfxIsValidString(lpszString));
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m_dwBufLen = (UINT)::wcslen(lpszString);
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if (m_dwBufLen)
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{
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m_lpszBuffer = lpszString;
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return (parseDocument());
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}
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return (0U);
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}
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//UINT CLiteHTMLReader::ReadFile(HANDLE hFile)
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//{
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// ASSERT(hFile != INVALID_HANDLE_VALUE);
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// ASSERT(::GetFileType(hFile) == FILE_TYPE_DISK);
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//
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// HANDLE hFileMap;
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// LPCWSTR lpsz;
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// UINT nRetVal;
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//
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// // determine file size
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// m_dwBufLen = ::GetFileSize(hFile, NULL);
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// if (m_dwBufLen == INVALID_FILE_SIZE)
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// {
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// //TRACE1( "(Error) CLiteHTMLReader::Read:"
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// // " GetFileSize() failed;"
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// // " GetLastError() returns 0x%08x.\n", ::GetLastError());
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// goto LError;
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// }
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//
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// // calculate length, in wchar_ts, of the buffer
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// m_dwBufLen /= sizeof(wchar_t);
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// if (!m_dwBufLen)
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// return (0U);
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//
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// // create a file-mapping object for the file
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// hFileMap = ::CreateFileMapping(hFile, NULL, PAGE_READONLY, 0L, 0L, NULL);
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// if (hFileMap == NULL)
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// {
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// //TRACE1( "(Error) CLiteHTMLReader::Read:"
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// // " CreateFileMapping() failed;"
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// // " GetLastError() returns 0x%08x.\n", ::GetLastError());
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// goto LError;
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// }
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//
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// // map the entire file into the address-space of the application
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// lpsz = (LPCWSTR)::MapViewOfFile(hFileMap, FILE_MAP_READ, 0L, 0L, 0L);
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// if (lpsz == NULL)
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// {
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// //TRACE1( "(Error) CLiteHTMLReader::Read:"
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// // " MapViewOfFile() failed;"
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// // " GetLastError() returns 0x%08x.\n", ::GetLastError());
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// goto LError;
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// }
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//
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// m_lpszBuffer = lpsz;
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// nRetVal = parseDocument();
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// goto LCleanExit;
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//
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//LError:
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// nRetVal = 0U;
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// m_dwBufLen = 0L;
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//
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//LCleanExit:
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// if (lpsz != NULL)
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// VERIFY(::UnmapViewOfFile(lpsz));
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// if (hFileMap)
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// VERIFY(::CloseHandle(hFileMap));
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// return (nRetVal);
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//}
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#pragma warning(pop)
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