Ejemplo n.º 1
0
// FindWhitespace
bool COpcTextReader::FindWhitespace(COpcText& cToken)
{
    OPC_ASSERT(m_szBuf != NULL);
    OPC_ASSERT(m_uLength != 0);

    UINT uPosition = 0;

    // skip leading non-whitespace
    if (cToken.GetSkipLeading())
    {
        for (UINT ii = 0; ii < m_uEndOfData; ii++)
        {
            if (CheckForHalt(cToken, ii))
            {
               return false;
            }

            if (iswspace(m_szBuf[ii]))
            {
               uPosition = ii;
               break;
            }
        }
    }

    // check if there is still data left to read.
    if (uPosition >= m_uEndOfData)
    {
        return false;
    } 

    // read until a non-whitespace.
    for (UINT ii = uPosition; ii < m_uEndOfData; ii++)
    {
        if (CheckForHalt(cToken, ii))
        {
            break;
        }

        if (!iswspace(m_szBuf[ii]))
        {
            break;
        }
    }

    // check for empty token
    if (ii == uPosition)
    {
        return false;
    }

    // copy token.
    CopyData(cToken, uPosition, ii);
    return true;
}
Ejemplo n.º 2
0
// FindToken
bool COpcTextReader::FindToken(COpcText& cToken)
{
    OPC_ASSERT(m_szBuf != NULL);
    OPC_ASSERT(m_uLength != 0);

    switch (cToken.GetType())
    {
        case COpcText::Literal:       return FindLiteral(cToken);
        case COpcText::NonWhitespace: return FindNonWhitespace(cToken);
        case COpcText::Whitespace:    return FindWhitespace(cToken);
        case COpcText::Delimited:     return FindDelimited(cToken);
    }

    return false;
}
Ejemplo n.º 3
0
// FindDelimited
bool COpcTextReader::FindDelimited(COpcText& cToken)
{
    OPC_ASSERT(m_szBuf != NULL);
    OPC_ASSERT(m_uLength != 0);

    // skip leading whitespace
    UINT uPosition = SkipWhitespace(cToken);

    // check if there is still data left to read.
    if (uPosition >= m_uEndOfData)
    {
        return false;
    } 

    // read until a delimiter.
    for (UINT ii = uPosition; ii < m_uEndOfData; ii++)
    {
        // check if search halted.
        if (CheckForHalt(cToken, ii))
        {
            return false;
        }

        // check if delimiter found.
        if (CheckForDelim(cToken, ii))
        {
            // copy token - empty tokens are valid.
            CopyData(cToken, uPosition, ii);
            return true;
        }
    }

    // check for end of data - true if EOF is a delim.
    if (ii >= m_uEndOfData)
    {
        cToken.SetEof();
        
        if (cToken.GetEofDelim())
        {
            CopyData(cToken, uPosition, ii);
            return true;
        }
    }

    return false;
}
Ejemplo n.º 4
0
// FindLiteral
bool COpcTextReader::FindLiteral(COpcText& cToken)
{
    OPC_ASSERT(m_szBuf != NULL);
    OPC_ASSERT(m_uLength != 0);

    LPCWSTR szText  = cToken.GetText();
    UINT    uLength = (szText != NULL)?wcslen(szText):0; 

    // check for trivial case
    if (uLength == 0)
    {
        return false;
    }

    UINT uPosition = SkipWhitespace(cToken);

    // check if there is enough data.
    if (uLength > (m_uEndOfData - uPosition))
    {
        return false;
    }

    for (UINT ii = uPosition; ii < m_uEndOfData-uLength+1; ii++)
    {
        // check if search halted.
        if (CheckForHalt(cToken, ii))
        {
            return false;
        }

        // compare text at current position.
        if (IsEqual(cToken, m_szBuf+ii, szText, uLength))
        {
            CopyData(cToken, ii, ii+uLength);
            return true;
        }

        // stop search if leading unmatching characters are not ignored.
        if (!cToken.GetSkipLeading())
        {
            break;
        }
    }

    return false;
}
Ejemplo n.º 5
0
// FindEnclosed
bool COpcTextReader::FindEnclosed(COpcText& cToken)
{
    OPC_ASSERT(m_szBuf != NULL);
    OPC_ASSERT(m_uLength != 0);
      
    WCHAR zStart = 0;
    WCHAR zEnd   = 0;
    cToken.GetBounds(zStart, zEnd);

    // skip leading whitespace
    UINT uPosition = SkipWhitespace(cToken);

    // check if there is still data left to read.
    if (uPosition >= m_uEndOfData)
    {
        return false;
    } 

    // read until finding the start delimiter,
    for (UINT ii = uPosition; ii < m_uEndOfData; ii++)
    {
        // check if search halted.
        if (CheckForHalt(cToken, ii))
        {
            return false;
        }

        // check for start character.
        if (IsEqual(cToken, m_szBuf[ii], zStart)) 
        {
            uPosition = ii;
            break;
        }
    }
    
    // check if there is still data left to read.
    if (ii >= m_uEndOfData)
    {
        return false;
    } 

    // read until finding the end delimiter,
    for (ii = uPosition+1; ii < m_uEndOfData; ii++)
    {
        // check if search halted.
        if (CheckForHalt(cToken, ii))
        {
            return false;
        }

        // check for end character.
        if (IsEqual(cToken, m_szBuf[ii], zStart)) 
        {
            // ignore if character is escaped.
            if (cToken.GetAllowEscape() && (uPosition < ii-1))
            {
                if (m_szBuf[ii-1] == L'\\')
                {
                    continue;
                }
            }

            // copy token - empty tokens are valid.
            CopyData(cToken, uPosition+1, ii);
            return true;
        }
    }

    return false;
}
Ejemplo n.º 6
0
// Insert
COpcBrowseElement* COpcBrowseElement::Insert(const COpcString& cPath)
{   
    COpcString cName    = cPath;
    COpcString cSubPath = OPC_EMPTY_STRING;
    
    // check if multiple levels have been specified.
    do
    {
        UINT uIndex = cName.Find(GetSeparator());

        if (uIndex == -1)
        {
            break;
        }

        cSubPath = cName.SubStr(uIndex + GetSeparator().GetLength());
        cName    = cName.SubStr(0, uIndex);       
        
        if (!cName.IsEmpty())
        {
            break;
        }

        cName = cSubPath;
    }
    while (!cSubPath.IsEmpty());

    // invalid path specified.
    if (cName.IsEmpty())
    {
        return NULL;
    }

    // find out if node already exists.
    COpcBrowseElement* pNode = NULL;

    OPC_POS pos = m_cChildren.GetHeadPosition();

    while (pos != NULL)
    {
        pNode = m_cChildren.GetNext(pos);

        if (pNode->m_cName == cName)
        {
            // return existing node.
            if (cSubPath.IsEmpty())
            {
                return pNode;
            }

            // insert sub-path into existing node.
            return pNode->Insert(cSubPath);
        }
    }

    // create new node.
    pNode = CreateInstance();
    pNode->m_cName = cName;
    OPC_ASSERT(!pNode->m_cName.IsEmpty());
    
    COpcBrowseElement* pChild = pNode;
    
    if (!cSubPath.IsEmpty())
    {
        pChild = pNode->Insert(cSubPath);

        if (pChild == NULL)
        {
            delete pNode;
            return NULL;
        }
    }

    m_cChildren.AddTail(pNode);
    return pChild;
}
Ejemplo n.º 7
0
// Destructor
COpcThreadPool::~COpcThreadPool()
{
	// check that stop was called prior to destruction.
	OPC_ASSERT(m_cQueue.GetCount() == 0);
}
Ejemplo n.º 8
0
int main( int argc, const char* argv[] )
{
#ifdef WIN32
     _CrtSetDbgFlag (_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
#endif
    int ret=-1;
    time_t start_time=time(NULL);
    FILE *file=NULL;
    int writer_indent=0;
    pbool_t reader_mce=PTRUE;
    const char *fileName=NULL;
    for(int i=1;i<argc;i++) {
        if ((0==xmlStrcmp(_X("--understands"), _X(argv[i])) || 0==xmlStrcmp(_X("-u"), _X(argv[i]))) && i+1<argc) {
            i++; // skip namespace, registered later when parser was created.
        } else if ((0==xmlStrcmp(_X("--out"), _X(argv[i])) || 0==xmlStrcmp(_X("--out"), _X(argv[i]))) && i+1<argc && NULL==file) {
            const char *filename=argv[++i];
            file=fopen(filename, "w");
        } else if (0==xmlStrcmp(_X("--indent"), _X(argv[i]))) {
            writer_indent=1;
        } else if (0==xmlStrcmp(_X("--raw"), _X(argv[i]))) {
            reader_mce=PFALSE;
        } else if (NULL==fileName) {
            fileName=argv[i];
        } else {
            fprintf(stderr, "IGNORED: %s\n", argv[i]);
        }
    }
    xmlTextWriter *writer=xmlNewTextWriterFile(file);
    if (NULL==fileName || NULL==writer) {
        printf("mcepp [--understands NAMESPACE] [--out FILENAME] [--indent] [--raw] [FILENAME | - ]\n\n");
        printf("Sample: mcepp sample.xml\n");
    } else {
        xmlInitParser();
        xmlTextWriterSetIndent(writer, writer_indent);
        mceTextReader_t mceTextReader;
        mceTextReaderInit(&mceTextReader, ('-'==fileName[0] && 0==fileName[1]?xmlReaderForFd(0, NULL, NULL, 0):xmlReaderForFile(fileName, NULL, 0)));
        mceTextReaderDisableMCE(&mceTextReader, !reader_mce);
        for(int i=1;i<argc;i++) {
            if ((0==xmlStrcmp(_X("--understands"), _X(argv[i])) || 0==xmlStrcmp(_X("-u"), _X(argv[i]))) && i+1<argc) {
                const xmlChar *ns=_X(argv[++i]);
                mceTextReaderUnderstandsNamespace(&mceTextReader, ns);
            }
        }

        if (-1==mceTextReaderDump(&mceTextReader, writer, PFALSE)) {
            ret=mceTextReaderGetError(&mceTextReader);
        } else {
            ret=0;
        }
        mceTextReaderCleanup(&mceTextReader);
        xmlCleanupParser();
    }
    if (NULL!=writer) xmlFreeTextWriter(writer);
    if (NULL!=file) fclose(file);
    time_t end_time=time(NULL);
    fprintf(stderr, "time %.2lfsec\n", difftime(end_time, start_time));
#ifdef WIN32
    OPC_ASSERT(!_CrtDumpMemoryLeaks());
#endif
    return ret;
}