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