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df80fbae367b4560be8bc2ca361742c58d4c6288
libupnp/ixml/src/element.c
Marcelo Roberto Jimenez df80fbae36 Merge of rev.105. 
git-svn-id: https://pupnp.svn.sourceforge.net/svnroot/pupnp/branches/branch-1.4.x@106 119443c7-1b9e-41f8-b6fc-b9c35fce742c
2006-12-23 21:31:17 +00:00

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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000-2003 Intel Corporation
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither name of Intel Corporation nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////
#include "ixmlparser.h"
/*================================================================
* ixmlElement_Init
* Initializes an element node.
* External function.
*
*=================================================================*/
void
ixmlElement_init( IN IXML_Element * element )
{
if( element != NULL ) {
memset( element, 0, sizeof( IXML_Element ) );
}
}
/*================================================================
* ixmlElement_getTagName
* Gets the element node's tagName
* External function.
*
*=================================================================*/
const DOMString
ixmlElement_getTagName( IN IXML_Element * element )
{
if( element != NULL ) {
return element->tagName;
} else {
return NULL;
}
}
/*================================================================
* ixmlElement_setTagName
* Sets the given element's tagName.
* Parameters:
* tagName: new tagName for the element.
*
*=================================================================*/
int
ixmlElement_setTagName( IN IXML_Element * element,
IN const char *tagName )
{
int rc = IXML_SUCCESS;
assert( ( element != NULL ) && ( tagName != NULL ) );
if( ( element == NULL ) || ( tagName == NULL ) ) {
return IXML_FAILED;
}
if( element->tagName != NULL ) {
free( element->tagName );
}
element->tagName = strdup( tagName );
if( element->tagName == NULL ) {
rc = IXML_INSUFFICIENT_MEMORY;
}
return rc;
}
/*================================================================
* ixmlElement_getAttribute
* Retrievea an attribute value by name.
* External function.
* Parameters:
* name: the name of the attribute to retrieve.
* Return Values:
* attribute value as a string, or the empty string if that attribute
* does not have a specified value.
*
*=================================================================*/
const DOMString
ixmlElement_getAttribute( IN IXML_Element * element,
IN const DOMString name )
{
IXML_Node *attrNode;
if( ( element == NULL ) || ( name == NULL ) ) {
return NULL;
}
attrNode = element->n.firstAttr;
while( attrNode != NULL ) {
if( strcmp( attrNode->nodeName, name ) == 0 ) { // found it
return attrNode->nodeValue;
} else {
attrNode = attrNode->nextSibling;
}
}
return NULL;
}
/*================================================================
* ixmlElement_setAttribute
* Adds a new attribute. If an attribute with that name is already
* present in the element, its value is changed to be that of the value
* parameter. If not, a new attribute is inserted into the element.
*
* External function.
* Parameters:
* name: the name of the attribute to create or alter.
* value: value to set in string form
* Return Values:
* IXML_SUCCESS or failure code.
*
*=================================================================*/
int
ixmlElement_setAttribute( IN IXML_Element * element,
IN const char *name,
IN const char *value )
{
IXML_Node *attrNode;
IXML_Attr *newAttrNode;
short errCode = IXML_SUCCESS;
if( ( element == NULL ) || ( name == NULL ) || ( value == NULL ) ) {
errCode = IXML_INVALID_PARAMETER;
goto ErrorHandler;
}
if( Parser_isValidXmlName( name ) == FALSE ) {
errCode = IXML_INVALID_CHARACTER_ERR;
goto ErrorHandler;
}
attrNode = element->n.firstAttr;
while( attrNode != NULL ) {
if( strcmp( attrNode->nodeName, name ) == 0 ) {
break; //found it
} else {
attrNode = attrNode->nextSibling;
}
}
if( attrNode == NULL ) { // add a new attribute
errCode =
ixmlDocument_createAttributeEx( ( IXML_Document * ) element->n.
ownerDocument, name,
&newAttrNode );
if( errCode != IXML_SUCCESS ) {
goto ErrorHandler;
}
attrNode = ( IXML_Node * ) newAttrNode;
attrNode->nodeValue = strdup( value );
if( attrNode->nodeValue == NULL ) {
ixmlAttr_free( newAttrNode );
errCode = IXML_INSUFFICIENT_MEMORY;
goto ErrorHandler;
}
errCode =
ixmlElement_setAttributeNode( element, newAttrNode, NULL );
if( errCode != IXML_SUCCESS ) {
ixmlAttr_free( newAttrNode );
goto ErrorHandler;
}
} else {
if( attrNode->nodeValue != NULL ) { // attribute name has a value already
free( attrNode->nodeValue );
}
attrNode->nodeValue = strdup( value );
if( attrNode->nodeValue == NULL ) {
errCode = IXML_INSUFFICIENT_MEMORY;
}
}
ErrorHandler:
return errCode;
}
/*================================================================
* ixmlElement_removeAttribute
* Removes an attribute value by name. The attribute node is
* not removed.
* External function.
* Parameters:
* name: the name of the attribute to remove.
* Return Values:
* IXML_SUCCESS or error code.
*
*=================================================================*/
int
ixmlElement_removeAttribute( IN IXML_Element * element,
IN const char *name )
{
IXML_Node *attrNode;
if( ( element == NULL ) || ( name == NULL ) ) {
return IXML_INVALID_PARAMETER;
}
attrNode = element->n.firstAttr;
while( attrNode != NULL ) {
if( strcmp( attrNode->nodeName, name ) == 0 ) {
break; //found it
} else {
attrNode = attrNode->nextSibling;
}
}
if( attrNode != NULL ) { // has the attribute
if( attrNode->nodeValue != NULL ) {
free( attrNode->nodeValue );
attrNode->nodeValue = NULL;
}
}
return IXML_SUCCESS;
}
/*================================================================
* ixmlElement_getAttributeNode
* Retrieve an attribute node by name.
* External function.
* Parameters:
* name: the name(nodeName) of the attribute to retrieve.
* Return Value:
* The attr node with the specified name (nodeName) or NULL if
* there is no such attribute.
*
*=================================================================*/
IXML_Attr *
ixmlElement_getAttributeNode( IN IXML_Element * element,
IN const char *name )
{
IXML_Node *attrNode;
if( ( element == NULL ) || ( name == NULL ) ) {
return NULL;
}
attrNode = element->n.firstAttr;
while( attrNode != NULL ) {
if( strcmp( attrNode->nodeName, name ) == 0 ) { // found it
break;
} else {
attrNode = attrNode->nextSibling;
}
}
return ( IXML_Attr * ) attrNode;
}
/*================================================================
* ixmlElement_setAttributeNode
* Adds a new attribute node. If an attribute with that name(nodeName)
* is already present in the element, it is replaced by the new one.
* External function.
* Parameters:
* The attr node to add to the attribute list.
* Return Value:
* if newAttr replaces an existing attribute, the replaced
* attr node is returned, otherwise NULL is returned.
*
*=================================================================*/
int
ixmlElement_setAttributeNode( IN IXML_Element * element,
IN IXML_Attr * newAttr,
OUT IXML_Attr ** rtAttr )
{
IXML_Node *attrNode;
IXML_Node *node;
IXML_Node *nextAttr = NULL;
IXML_Node *prevAttr = NULL;
IXML_Node *preSib,
*nextSib;
if( ( element == NULL ) || ( newAttr == NULL ) ) {
return IXML_INVALID_PARAMETER;
}
if( newAttr->n.ownerDocument != element->n.ownerDocument ) {
return IXML_WRONG_DOCUMENT_ERR;
}
if( newAttr->ownerElement != NULL ) {
return IXML_INUSE_ATTRIBUTE_ERR;
}
newAttr->ownerElement = element;
node = ( IXML_Node * ) newAttr;
attrNode = element->n.firstAttr;
while( attrNode != NULL ) {
if( strcmp( attrNode->nodeName, node->nodeName ) == 0 ) {
break; //found it
} else {
attrNode = attrNode->nextSibling;
}
}
if( attrNode != NULL ) // already present, will replace by newAttr
{
preSib = attrNode->prevSibling;
nextSib = attrNode->nextSibling;
if( preSib != NULL ) {
preSib->nextSibling = node;
}
if( nextSib != NULL ) {
nextSib->prevSibling = node;
}
if( element->n.firstAttr == attrNode ) {
element->n.firstAttr = node;
}
if( rtAttr != NULL ) {
*rtAttr = ( IXML_Attr * ) attrNode;
}
} else // add this attribute
{
if( element->n.firstAttr != NULL ) {
prevAttr = element->n.firstAttr;
nextAttr = prevAttr->nextSibling;
while( nextAttr != NULL ) {
prevAttr = nextAttr;
nextAttr = prevAttr->nextSibling;
}
prevAttr->nextSibling = node;
node->prevSibling = prevAttr;
} else // this is the first attribute node
{
element->n.firstAttr = node;
node->prevSibling = NULL;
node->nextSibling = NULL;
}
if( rtAttr != NULL ) {
*rtAttr = NULL;
}
}
return IXML_SUCCESS;
}
/*================================================================
* ixmlElement_findAttributeNode
* Find a attribute node whose contents are the same as the oldAttr.
* Internal only to parser.
* Parameter:
* oldAttr: the attribute node to match
* Return:
* if found it, the attribute node is returned,
* otherwise, return NULL.
*
*=================================================================*/
IXML_Node *
ixmlElement_findAttributeNode( IN IXML_Element * element,
IN IXML_Attr * oldAttr )
{
IXML_Node *attrNode;
IXML_Node *oldAttrNode = ( IXML_Node * ) oldAttr;
assert( ( element != NULL ) && ( oldAttr != NULL ) );
attrNode = element->n.firstAttr;
while( attrNode != NULL ) { // parentNode, prevSib, nextSib and ownerDocument doesn't matter
if( ixmlNode_compare( attrNode, oldAttrNode ) == TRUE ) {
break; //found it
} else {
attrNode = attrNode->nextSibling;
}
}
return attrNode;
}
/*================================================================
* ixmlElement_removeAttributeNode
* Removes the specified attribute node.
* External function.
*
* Parameters:
* oldAttr: the attr node to remove from the attribute list.
*
* Return Value:
* IXML_SUCCESS or failure
*
*=================================================================*/
int
ixmlElement_removeAttributeNode( IN IXML_Element * element,
IN IXML_Attr * oldAttr,
OUT IXML_Attr ** rtAttr )
{
IXML_Node *attrNode;
IXML_Node *preSib,
*nextSib;
if( ( element == NULL ) || ( oldAttr == NULL ) ) {
return IXML_INVALID_PARAMETER;
}
attrNode = ixmlElement_findAttributeNode( element, oldAttr );
if( attrNode != NULL ) { // has the attribute
preSib = attrNode->prevSibling;
nextSib = attrNode->nextSibling;
if( preSib != NULL ) {
preSib->nextSibling = nextSib;
}
if( nextSib != NULL ) {
nextSib->prevSibling = preSib;
}
if( element->n.firstAttr == attrNode ) {
element->n.firstAttr = nextSib;
}
/* ( IXML_Attr * ) */ attrNode->parentNode = NULL;
/* ( IXML_Attr * ) */ attrNode->prevSibling = NULL;
/* ( IXML_Attr * ) */ attrNode->nextSibling = NULL;
*rtAttr = ( IXML_Attr * ) attrNode;
return IXML_SUCCESS;
} else {
return IXML_NOT_FOUND_ERR;
}
}
/*================================================================
* ixmlElement_getElementsByTagName
* Returns a nodeList of all descendant Elements with a given
* tag name, in the order in which they are encountered in a preorder
* traversal of this element tree.
* External function.
*
* Parameters:
* tagName: the name of the tag to match on. The special value "*"
* matches all tags.
*
* Return Value:
* a nodeList of matching element nodes.
*
*=================================================================*/
IXML_NodeList *
ixmlElement_getElementsByTagName( IN IXML_Element * element,
IN const char *tagName )
{
IXML_NodeList *returnNodeList = NULL;
if( ( element != NULL ) && ( tagName != NULL ) ) {
ixmlNode_getElementsByTagName( ( IXML_Node * ) element, tagName,
&returnNodeList );
}
return returnNodeList;
}
/*================================================================
* ixmlElement_getAttributeNS
* Retrieves an attribute value by local name and namespace URI.
* External function.
*
* Parameters:
* namespaceURI: the namespace URI of the attribute to retrieve.
* localName: the local name of the attribute to retrieve.
*
* Return Value:
* the attr value as a string, or NULL if that attribute does
* not have the specified value.
*
*=================================================================*/
const DOMString
ixmlElement_getAttributeNS( IN IXML_Element * element,
IN const DOMString namespaceURI,
IN const DOMString localName )
{
IXML_Node *attrNode;
if( ( element == NULL ) || ( namespaceURI == NULL )
|| ( localName == NULL ) ) {
return NULL;
}
attrNode = element->n.firstAttr;
while( attrNode != NULL ) {
if( strcmp( attrNode->localName, localName ) == 0 && strcmp( attrNode->namespaceURI, namespaceURI ) == 0 ) { // found it
return attrNode->nodeValue;
} else {
attrNode = attrNode->nextSibling;
}
}
return NULL;
}
/*================================================================
* ixmlElement_setAttributeNS
* Adds a new attribute. If an attribute with the same local name
* and namespace URI is already present on the element, its prefix
* is changed to be the prefix part of the qualifiedName, and its
* value is changed to be the value parameter. This value is a
* simple string.
* External function.
*
* Parameter:
* namespaceURI: the namespace of the attribute to create or alter.
* qualifiedName: the qualified name of the attribute to create or alter.
* value: the value to set in string form.
*
* Return Value:
* IXML_SUCCESS or failure
*
*=================================================================*/
int
ixmlElement_setAttributeNS( IN IXML_Element * element,
IN const DOMString namespaceURI,
IN const DOMString qualifiedName,
IN const DOMString value )
{
IXML_Node *attrNode = NULL;
IXML_Node newAttrNode;
IXML_Attr *newAttr;
int rc;
if( ( element == NULL ) || ( namespaceURI == NULL ) ||
( qualifiedName == NULL ) || ( value == NULL ) ) {
return IXML_INVALID_PARAMETER;
}
if( Parser_isValidXmlName( qualifiedName ) == FALSE ) {
return IXML_INVALID_CHARACTER_ERR;
}
ixmlNode_init( &newAttrNode );
newAttrNode.nodeName = strdup( qualifiedName );
if( newAttrNode.nodeName == NULL ) {
return IXML_INSUFFICIENT_MEMORY;
}
rc = Parser_setNodePrefixAndLocalName( &newAttrNode );
if( rc != IXML_SUCCESS ) {
Parser_freeNodeContent( &newAttrNode );
return rc;
}
// see DOM 2 spec page 59
if( ( newAttrNode.prefix != NULL && namespaceURI == NULL ) ||
( strcmp( newAttrNode.prefix, "xml" ) == 0 &&
strcmp( namespaceURI,
"http://www.w3.org/XML/1998/namespace" ) != 0 )
|| ( strcmp( qualifiedName, "xmlns" ) == 0
&& strcmp( namespaceURI,
"http://www.w3.org/2000/xmlns/" ) != 0 ) ) {
Parser_freeNodeContent( &newAttrNode );
return IXML_NAMESPACE_ERR;
}
attrNode = element->n.firstAttr;
while( attrNode != NULL ) {
if( strcmp( attrNode->localName, newAttrNode.localName ) == 0 &&
strcmp( attrNode->namespaceURI, namespaceURI ) == 0 ) {
break; //found it
} else {
attrNode = attrNode->nextSibling;
}
}
if( attrNode != NULL ) {
if( attrNode->prefix != NULL ) {
free( attrNode->prefix ); // remove the old prefix
}
// replace it with the new prefix
attrNode->prefix = strdup( newAttrNode.prefix );
if( attrNode->prefix == NULL ) {
Parser_freeNodeContent( &newAttrNode );
return IXML_INSUFFICIENT_MEMORY;
}
if( attrNode->nodeValue != NULL ) {
free( attrNode->nodeValue );
}
attrNode->nodeValue = strdup( value );
if( attrNode->nodeValue == NULL ) {
free( attrNode->prefix );
Parser_freeNodeContent( &newAttrNode );
return IXML_INSUFFICIENT_MEMORY;
}
} else {
// add a new attribute
rc = ixmlDocument_createAttributeNSEx( ( IXML_Document * )
element->n.ownerDocument,
namespaceURI, qualifiedName,
&newAttr );
if( rc != IXML_SUCCESS ) {
return rc;
}
newAttr->n.nodeValue = strdup( value );
if( newAttr->n.nodeValue == NULL ) {
ixmlAttr_free( newAttr );
return IXML_INSUFFICIENT_MEMORY;
}
if( ixmlElement_setAttributeNodeNS( element, newAttr, NULL ) !=
IXML_SUCCESS ) {
ixmlAttr_free( newAttr );
return IXML_FAILED;
}
}
Parser_freeNodeContent( &newAttrNode );
return IXML_SUCCESS;
}
/*================================================================
* ixmlElement_removeAttributeNS
* Removes an attribute by local name and namespace URI. The replacing
* attribute has the same namespace URI and local name, as well as
* the original prefix.
* External function.
*
* Parameters:
* namespaceURI: the namespace URI of the attribute to remove.
* localName: the local name of the atribute to remove.
*
* Return Value:
* IXML_SUCCESS or failure.
*
*=================================================================*/
int
ixmlElement_removeAttributeNS( IN IXML_Element * element,
IN const DOMString namespaceURI,
IN const DOMString localName )
{
IXML_Node *attrNode;
if( ( element == NULL ) || ( namespaceURI == NULL )
|| ( localName == NULL ) ) {
return IXML_INVALID_PARAMETER;
}
attrNode = element->n.firstAttr;
while( attrNode != NULL ) {
if( strcmp( attrNode->localName, localName ) == 0 &&
strcmp( attrNode->namespaceURI, namespaceURI ) == 0 ) {
break; //found it
} else {
attrNode = attrNode->nextSibling;
}
}
if( attrNode != NULL ) { // has the attribute
if( attrNode->nodeValue != NULL ) {
free( attrNode->nodeValue );
attrNode->nodeValue = NULL;
}
}
return IXML_SUCCESS;
}
/*================================================================
* ixmlElement_getAttributeNodeNS
* Retrieves an attr node by local name and namespace URI.
* External function.
*
* Parameter:
* namespaceURI: the namespace of the attribute to retrieve.
* localName: the local name of the attribute to retrieve.
*
* Return Value:
* The attr node with the specified attribute local name and
* namespace URI or null if there is no such attribute.
*
*=================================================================*/
IXML_Attr *
ixmlElement_getAttributeNodeNS( IN IXML_Element * element,
IN const DOMString namespaceURI,
IN const DOMString localName )
{
IXML_Node *attrNode;
if( ( element == NULL ) || ( namespaceURI == NULL )
|| ( localName == NULL ) ) {
return NULL;
}
attrNode = element->n.firstAttr;
while( attrNode != NULL ) {
if( strcmp( attrNode->localName, localName ) == 0 && strcmp( attrNode->namespaceURI, namespaceURI ) == 0 ) { // found it
break;
} else {
attrNode = attrNode->nextSibling;
}
}
return ( IXML_Attr * ) attrNode;
}
/*================================================================
* ixmlElement_setAttributeNodeNS
* Adds a new attribute. If an attribute with that local name and
* that namespace URI is already present in the element, it is replaced
* by the new one.
* External function.
*
* Parameter:
* newAttr: the attr node to add to the attribute list.
*
* Return Value:
* If the newAttr attribute replaces an existing attribute with the
* same local name and namespace, the replaced attr node is returned,
* otherwise null is returned.
*
*=================================================================*/
int
ixmlElement_setAttributeNodeNS( IN IXML_Element * element,
IN IXML_Attr * newAttr,
OUT IXML_Attr ** rtAttr )
{
IXML_Node *attrNode;
IXML_Node *node;
IXML_Node *prevAttr = NULL,
*nextAttr = NULL;
IXML_Node *preSib,
*nextSib;
if( ( element == NULL ) || ( newAttr == NULL ) ) {
return IXML_INVALID_PARAMETER;
}
if( newAttr->n.ownerDocument != element->n.ownerDocument ) {
return IXML_WRONG_DOCUMENT_ERR;
}
if( ( newAttr->ownerElement != NULL )
&& ( newAttr->ownerElement != element ) ) {
return IXML_INUSE_ATTRIBUTE_ERR;
}
newAttr->ownerElement = element;
node = ( IXML_Node * ) newAttr;
attrNode = element->n.firstAttr;
while( attrNode != NULL ) {
if( strcmp( attrNode->localName, node->localName ) == 0 &&
strcmp( attrNode->namespaceURI, node->namespaceURI ) == 0 ) {
break; //found it
} else {
attrNode = attrNode->nextSibling;
}
}
if( attrNode != NULL ) // already present, will replace by newAttr
{
preSib = attrNode->prevSibling;
nextSib = attrNode->nextSibling;
if( preSib != NULL ) {
preSib->nextSibling = node;
}
if( nextSib != NULL ) {
nextSib->prevSibling = node;
}
if( element->n.firstAttr == attrNode ) {
element->n.firstAttr = node;
}
*rtAttr = ( IXML_Attr * ) attrNode;
} else // add this attribute
{
if( element->n.firstAttr != NULL ) // element has attribute already
{
prevAttr = element->n.firstAttr;
nextAttr = prevAttr->nextSibling;
while( nextAttr != NULL ) {
prevAttr = nextAttr;
nextAttr = prevAttr->nextSibling;
}
prevAttr->nextSibling = node;
} else // this is the first attribute node
{
element->n.firstAttr = node;
node->prevSibling = NULL;
node->nextSibling = NULL;
}
if( rtAttr != NULL ) {
*rtAttr = NULL;
}
}
return IXML_SUCCESS;
}
/*================================================================
* ixmlElement_getElementsByTagNameNS
* Returns a nodeList of all the descendant Elements with a given
* local name and namespace in the order in which they are encountered
* in a preorder traversal of the element tree.
* External function.
*
* Parameters:
* namespaceURI: the namespace URI of the elements to match on. The
* special value "*" matches all namespaces.
* localName: the local name of the elements to match on. The special
* value "*" matches all local names.
*
* Return Value:
* A new nodeList object containing all the matched Elements.
*
*=================================================================*/
IXML_NodeList *
ixmlElement_getElementsByTagNameNS( IN IXML_Element * element,
IN const DOMString namespaceURI,
IN const DOMString localName )
{
IXML_Node *node = ( IXML_Node * ) element;
IXML_NodeList *nodeList = NULL;
if( ( element != NULL ) && ( namespaceURI != NULL )
&& ( localName != NULL ) ) {
ixmlNode_getElementsByTagNameNS( node, namespaceURI, localName,
&nodeList );
}
return nodeList;
}
/*================================================================
* ixmlElement_hasAttribute
* Returns true when an attribute with a given name is specified on
* this element, false otherwise.
* External function.
*
* Parameters:
* name: the name of the attribute to look for.
*
* Return Value:
* ture if an attribute with the given name is specified on this
* element, false otherwise.
*
*=================================================================*/
BOOL
ixmlElement_hasAttribute( IN IXML_Element * element,
IN const DOMString name )
{
IXML_Node *attrNode;
if( ( element == NULL ) || ( name == NULL ) ) {
return FALSE;
}
attrNode = element->n.firstAttr;
while( attrNode != NULL ) {
if( strcmp( attrNode->nodeName, name ) == 0 ) {
return TRUE;
} else {
attrNode = attrNode->nextSibling;
}
}
return FALSE;
}
/*================================================================
* ixmlElement_hasAttributeNS
* Returns true when attribute with a given local name and namespace
* URI is specified on this element, false otherwise.
* External function.
*
* Parameters:
* namespaceURI: the namespace URI of the attribute to look for.
* localName: the local name of the attribute to look for.
*
* Return Value:
* true if an attribute with the given local name and namespace URI
* is specified, false otherwise.
*
*=================================================================*/
BOOL
ixmlElement_hasAttributeNS( IN IXML_Element * element,
IN const DOMString namespaceURI,
IN const DOMString localName )
{
IXML_Node *attrNode;
if( ( element == NULL ) || ( namespaceURI == NULL )
|| ( localName == NULL ) ) {
return FALSE;
}
attrNode = element->n.firstAttr;
while( attrNode != NULL ) {
if( strcmp( attrNode->localName, localName ) == 0 &&
strcmp( attrNode->namespaceURI, namespaceURI ) == 0 ) {
return TRUE;
} else {
attrNode = attrNode->nextSibling;
}
}
return FALSE;
}
/*================================================================
* ixmlElement_free
* frees a element node.
* External function.
*
*=================================================================*/
void
ixmlElement_free( IN IXML_Element * element )
{
if( element != NULL ) {
ixmlNode_free( ( IXML_Node * ) element );
}
}
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