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winamp/Src/xml/XMLDOM.cpp

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2024-09-24 12:54:57 +00:00
#include "XMLDOM.h"
XMLDOM::XMLDOM() : curtext(0), curtext_len(0), curNode(0)
{
xmlNode = new XMLNode;
curNode = xmlNode;
}
XMLDOM::~XMLDOM()
{
if (curtext)
{
free(curtext);
curtext = 0;
curtext_len = 0;
}
delete xmlNode;
}
void XMLDOM::StartTag(const wchar_t *xmlpath, const wchar_t *xmltag, ifc_xmlreaderparams *params)
{
XMLNode *newNode = new XMLNode;
int num = (int)params->getNbItems();
for (int i = 0;i < num;i++)
newNode->SetProperty(params->getItemName(i), params->getItemValue(i));
newNode->parent = curNode;
curNode->SetContent_Own(curtext);
curtext = 0;
curNode->AddNode(xmltag, newNode);
curNode = newNode;
}
void XMLDOM::EndTag(const wchar_t *xmlpath, const wchar_t *xmltag)
{
curNode->AppendContent(curtext);
if (curtext)
{
free(curtext);
curtext = 0;
curtext_len = 0;
}
curNode = curNode->parent;
}
void XMLDOM::TextHandler(const wchar_t *xmlpath, const wchar_t *xmltag, const wchar_t *str)
{
if (str && *str)
{
if (curtext)
{
size_t len = wcslen(str), new_len = len + curtext_len;
wchar_t* newcurtext = (wchar_t *)realloc(curtext, (new_len+1)*sizeof(wchar_t));
if (newcurtext)
{
curtext = newcurtext;
wcsncpy(curtext+curtext_len, str, len);
*(curtext+curtext_len+len) = 0;
curtext_len = new_len;
}
else
{
newcurtext = (wchar_t *)malloc((new_len+1)*sizeof(wchar_t));
if (newcurtext)
{
memcpy(newcurtext, curtext, curtext_len*sizeof(wchar_t));
free(curtext);
curtext = newcurtext;
wcsncpy(curtext+curtext_len, str, len);
*(curtext+curtext_len+len) = 0;
curtext_len = new_len;
}
}
}
else
{
curtext_len = wcslen(str);
curtext = (wchar_t *)malloc((curtext_len+1)*sizeof(wchar_t));
if (curtext)
memcpy(curtext, str, (curtext_len+1)*sizeof(wchar_t));
}
}
}
const XMLNode *XMLDOM::GetRoot() const
{
return xmlNode;
}
#define CBCLASS XMLDOM
START_DISPATCH;
VCB(ONSTARTELEMENT, StartTag)
VCB(ONENDELEMENT, EndTag)
VCB(ONCHARDATA, TextHandler)
END_DISPATCH;
#undef CBCLASS