Leaked source code of windows server 2003
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91 lines
2.0 KiB

#include <wininetp.h>
#include "p3pglobal.h"
#include "xmltree.h"
const char *EmptyString = "";
TreeNode::TreeNode() {
pSibling = pDescendant = pParent = NULL;
pAttribute = NULL;
pszContents = NULL;
}
TreeNode::~TreeNode() {
for (TreeNode *pn = pDescendant; pn; ) {
TreeNode *temp = pn->pSibling;
delete pn;
pn = temp;
}
for (XMLAttribute *pa = pAttribute; pa; ) {
XMLAttribute *temp = pa->pNext;
free(pa->pszName);
free(pa->pszValue);
delete pa;
pa = temp;
}
if (pszContents)
free(pszContents);
}
void TreeNode::setContent(const char *pszData) {
if (pszContents)
free(pszContents);
pszContents = pszData ? strdup(pszData) : NULL;
}
void TreeNode::defineAttribute(const char *pszName, const char *pszValue) {
XMLAttribute *pNewAttribute = new XMLAttribute();
pNewAttribute->pszName = strdup(pszName);
pNewAttribute->pszValue = strdup(pszValue);
pNewAttribute->pNext = pAttribute;
/* Insert at beginning of attribute list */
pAttribute = pNewAttribute;
}
const char *TreeNode::attribute(const char *pszAttrName) {
for (XMLAttribute *pa = pAttribute; pa; pa=pa->pNext) {
if (!strcmp(pa->pszName, pszAttrName))
return pa->pszValue;
}
return NULL;
}
TreeNode *TreeNode::find(const char *pszElemName, unsigned int maxDepth) {
/* fail search if the current node does not represent an XML tag... */
if (nodetype!=NODE_ELEMENT)
return NULL;
else if (!strcmp(pszContents, pszElemName))
return this; /* this is the node we are looking for */
else if (maxDepth>0) {
/* otherwise recursively search descendants... */
if (maxDepth!=INFINITE)
maxDepth--;
for (TreeNode *pn=pDescendant; pn; pn=pn->pSibling)
if (TreeNode *pNode = pn->find(pszElemName))
return pNode;
}
return NULL;
}