ixml.c

来自「原来由英特尔制定的UPnP SDK的」· C语言 代码 · 共 532 行 · 第 1/2 页

        return;
    }

    nodeName = ( const char * )ixmlNode_getNodeName( nodeptr );
    nodeValue = ixmlNode_getNodeValue( nodeptr );

    switch ( ixmlNode_getNodeType( nodeptr ) ) {

        case eTEXT_NODE:
        case eCDATA_SECTION_NODE:
        case ePROCESSING_INSTRUCTION_NODE:
        case eDOCUMENT_NODE:
            ixmlPrintDomTreeRecursive( nodeptr, buf );
            break;

        case eATTRIBUTE_NODE:
            ixml_membuf_append_str( buf, nodeName );
            ixml_membuf_append_str( buf, "=\"" );
            copy_with_escape( buf, nodeValue );
            ixml_membuf_append_str( buf, "\"" );
            break;

        case eELEMENT_NODE:
            ixml_membuf_append_str( buf, "<" );
            ixml_membuf_append_str( buf, nodeName );

            if( nodeptr->firstAttr != NULL ) {
                ixml_membuf_append_str( buf, " " );
                ixmlPrintDomTreeRecursive( nodeptr->firstAttr, buf );
            }

            child = ixmlNode_getFirstChild( nodeptr );
            if( ( child != NULL )
                && ( ixmlNode_getNodeType( child ) == eELEMENT_NODE ) ) {
                ixml_membuf_append_str( buf, ">" );
            } else {
                ixml_membuf_append_str( buf, ">" );
            }

            //  output the children
            ixmlPrintDomTreeRecursive( ixmlNode_getFirstChild( nodeptr ),
                                       buf );

            // Done with children.  Output the end tag.
            ixml_membuf_append_str( buf, "</" );
            ixml_membuf_append_str( buf, nodeName );
            ixml_membuf_append_str( buf, ">" );
            break;

        default:
            break;
    }
}

/*================================================================
*   ixmlLoadDocumentEx
*       Parses the given file, and returns the DOM tree from it.
*       External function.
*
*=================================================================*/
int
ixmlLoadDocumentEx( IN const char *xmlFile,
                    IXML_Document ** doc )
{

    if( ( xmlFile == NULL ) || ( doc == NULL ) ) {
        return IXML_INVALID_PARAMETER;
    }

    return Parser_LoadDocument( doc, xmlFile, TRUE );
}

/*================================================================
*   ixmlLoadDocument
*       Parses the given file, and returns the DOM tree from it.
*       External function.
*
*=================================================================*/
IXML_Document *
ixmlLoadDocument( IN const char *xmlFile )
{

    IXML_Document *doc = NULL;

    ixmlLoadDocumentEx( xmlFile, &doc );
    return doc;
}

/*================================================================
*   ixmlPrintDocument
*       Prints entire document, prepending XML prolog first.
*       Puts lots of white spaces.
*       External function.
*
*=================================================================*/

DOMString
ixmlPrintDocument(IXML_Document *doc)
{
    IXML_Node* rootNode = ( IXML_Node * )doc;
    ixml_membuf memBuf;
    ixml_membuf *buf = &memBuf;

    if( rootNode == NULL ) {
        return NULL;
    }

    ixml_membuf_init( buf );
    ixml_membuf_append_str( buf, "<?xml version=\"1.0\"?>\r\n" );
    ixmlPrintDomTree( rootNode, buf );
    return buf->buf;

}

/*================================================================
*   ixmlPrintNode
*       Print DOM tree under node. Puts lots of white spaces
*       External function.
*
*=================================================================*/
DOMString
ixmlPrintNode( IN IXML_Node * node )
{

    ixml_membuf memBuf;
    ixml_membuf *buf = &memBuf;

    if( node == NULL ) {
        return NULL;
    }

    ixml_membuf_init( buf );
    ixmlPrintDomTree( node, buf );
    return buf->buf;

}

/*================================================================
*   ixmlDocumenttoString
*       converts DOM tree under node to text string,
*       prepending XML prolog first.
*       External function.
*
*=================================================================*/

DOMString
ixmlDocumenttoString(IXML_Document *doc)
{
    IXML_Node* rootNode = ( IXML_Node * )doc;
    ixml_membuf memBuf;
    ixml_membuf *buf = &memBuf;

    if( rootNode == NULL ) {
        return NULL;
    }

    ixml_membuf_init( buf );
    ixml_membuf_append_str( buf, "<?xml version=\"1.0\"?>\r\n" );
    ixmlDomTreetoString( rootNode, buf );
    return buf->buf;

}

/*================================================================
*   ixmlNodetoString
*       converts DOM tree under node to text string
*       External function.
*
*=================================================================*/
DOMString
ixmlNodetoString( IN IXML_Node * node )
{

    ixml_membuf memBuf;
    ixml_membuf *buf = &memBuf;

    if( node == NULL ) {
        return NULL;
    }

    ixml_membuf_init( buf );
    ixmlDomTreetoString( node, buf );
    return buf->buf;

}

/*================================================================
*   ixmlRelaxParser
*       Makes the XML parser more tolerant to malformed text.
*       External function.
*
*=================================================================*/
void
ixmlRelaxParser(char errorChar)
{
    Parser_setErrorChar( errorChar );
}


/*================================================================
*   ixmlParseBufferEx
*       Parse xml file stored in buffer.
*       External function.
*
*=================================================================*/
int
ixmlParseBufferEx( IN const char *buffer,
                   IXML_Document ** retDoc )
{

    if( ( buffer == NULL ) || ( retDoc == NULL ) ) {
        return IXML_INVALID_PARAMETER;
    }

    if( buffer[0] == '\0' ) {
        return IXML_INVALID_PARAMETER;
    }

    return Parser_LoadDocument( retDoc, buffer, FALSE );
}

/*================================================================
*   ixmlParseBuffer
*       Parse xml file stored in buffer.
*       External function.
*
*=================================================================*/
IXML_Document *
ixmlParseBuffer( IN const char *buffer )
{
    IXML_Document *doc = NULL;

    ixmlParseBufferEx( buffer, &doc );
    return doc;
}

/*================================================================
*   ixmlCloneDOMString
*       Clones a DOM String.
*       External function.
*
*=================================================================*/
DOMString
ixmlCloneDOMString( IN const DOMString src )
{
    if( src == NULL ) {
        return NULL;
    }

    return ( strdup( src ) );
}

/*================================================================
*   ixmlFreeDOMString
*       Frees a DOM String.
*       External function.
*
*=================================================================*/
void
ixmlFreeDOMString( IN DOMString buf )
{
    if( buf != NULL ) {
        free( buf );
    }
}