winamp/Src/Wasabi/api/skin/xmlobject.cpp

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2024-09-24 12:54:57 +00:00
#include <precomp.h>
#include <bfc/bfc_assert.h>
#include "xmlobject.h"
#include <new>
#define PILENODE_AUTOINCREMENT 50
/*
CreateXMLParameters(int master_handle)
addParam(master_handle, this_handle, name, id)
master_handle is key into array of name/this-handle/id
*/
class DeleteOnClose
{
public:
~DeleteOnClose()
{
allocd.freeAll();
}
PtrList<XmlObjectParam> allocd;
};
DeleteOnClose deleter;
template <class t_>
struct PileNode
{
PileNode(int num)
{
sizePile = num;
pile = (t_ *)MALLOC(sizeof(t_) * num);
deleter.allocd.addItem(pile);
}
void Rebuild(int num)
{
sizePile = num;
pile = (t_ *)MALLOC(sizeof(t_) * num);
deleter.allocd.addItem(pile);
}
size_t sizePile;
t_ *pile;
void *Get()
{
sizePile--;
return pile++;
}
};
template <class t_>
struct PileList
{
PileList(int numPtrs, PileList<t_> *_next = 0) : node(numPtrs), next(_next)
{
}
PileNode<t_> node;
PileList *next;
void *Get()
{
if (node.sizePile)
{
return node.Get();
}
else
{
while (next && !next->node.sizePile)
{
PileList<t_> *temp = next;
next = temp->next;
delete temp;
}
if (next)
return next->Get();
else
{
node.Rebuild(PILENODE_AUTOINCREMENT);
return node.Get();
}
}
}
};
PileList<XmlObjectParam> *paramPile = 0;
XmlObjectParam::XmlObjectParam(int xmlhandle, wchar_t *xmlattribute, int xmlattributeid)
: xmlattributename(xmlattribute), attributeid(xmlattributeid), handle(xmlhandle)
{
KEYWORDUPPER(xmlattribute);
}
#define CBCLASS XmlObjectI
START_DISPATCH;
CB(SETXMLPARAM, setXmlParam);
CB(GETXMLPARAMVALUE, getXmlParamValue);
CB(GETXMLPARAM, getXmlParam);
END_DISPATCH;
XmlObjectI::XmlObjectI()
{
handlepos = 0;
}
XmlObjectI::~XmlObjectI()
{
params.removeAll();
}
void XmlObjectI::addParam(int xmlhandle, XMLParamPair &param, int unused)
//void XmlObjectI::addXmlParam(int xmlhandle, const wchar_t *xmlattribute, int xmlattributeid)
{
if (!paramPile)
paramPile = new PileList<XmlObjectParam>(PILENODE_AUTOINCREMENT);
params.addItem(new(paramPile->Get()) XmlObjectParam(xmlhandle, param.name, param.id));
}
int XmlObjectI::setXmlParamById(int xmlhandle, int xmlattribute, const wchar_t *param, const wchar_t *value)
{
return 0;
}
int XmlObjectI::setXmlParam(const wchar_t *param, const wchar_t *value)
{
int pos = -1;
int r = 0;
params.findItem(param, &pos);
if (pos >= 0)
{
XmlObjectParam *xuop = params.enumItem(pos);
ASSERT(xuop != NULL);
r = setXmlParamById(xuop->getXmlHandle(), xuop->getXmlAttributeId(), param, value);
xuop->setLastValue(value);
}
else
{
onUnknownXmlParam(param, value);
}
return r;
}
const wchar_t *XmlObjectI::getXmlParamValue(int n)
{
return params.enumItem(n)->getLastValue();
}
int XmlObjectI::getXmlParam(const wchar_t *param)
{
int pos=-1;
params.findItem(param, &pos);
return pos;
}
const wchar_t *XmlObjectI::getXmlParamByName(const wchar_t *paramname)
{
int pos = getXmlParam(paramname);
if (pos < 0) return NULL;
return getXmlParamValue(pos);
}
int XmlObjectI::newXmlHandle()
{
return handlepos++;
}
int XmlObjectI::onUnknownXmlParam(const wchar_t *paramname, const wchar_t *strvalue)
{
return 0;
}
void XmlObjectI::hintNumberOfParams(int xmlhandle, int numParams)
{
paramPile = new PileList<XmlObjectParam>(numParams, paramPile);
params.setMinimumSize(params.getNumItems() + numParams);
}