mgloadscript.cpp

monqueror一个很具有参考价值的源玛

#include <assert.h>
#include <string.h>

#include "mgloader.h"
#include "mgloadscript.h"
#include "cachescript.h"
#include "mgmessage.h"

#define DEBUG_BY_XHTANG 0

using namespace DOM;
using namespace khtml;


MGScriptLoader::MGScriptLoader()
{
	setType(MGLOADERTYPE_SCRIPT);
}	
MGScriptLoader::~MGScriptLoader()
{
}

bool MGScriptLoader::LoadedMsgFromNet( unsigned char *url ,unsigned char *buf,int length)
{
	char s[URL_TEMPNAMELENGTH+1];
	bool bsucc = 0;
	bsucc = MGLoadObject::LoadedMsgFromNet(url,buf,length,s);
		
	MGCachedScript *cachedScript=0;
	FromUrlLoaded(url,&cachedScript);
	if( !cachedScript )
		return 0;
	if( bsucc )
		cachedScript->LoadDataFromTempFile(s);
	else
		cachedScript->error();
	
	NotifyDataProcessed(MSG_SCRIPTDATAPROCESSED);
	
	return 1;
}
void MGScriptLoader::FromUrlLoaded( unsigned char *url ,MGCachedScript **cachedScript)
{
	*cachedScript=SeekLoadListByUrl(url)?m_load.current()->cachedScript:0;
}

MGCachedScript* MGScriptLoader::requestScript( unsigned char *url )
{
	char s[URL_TEMPNAMELENGTH+1],t[URL_TEMPNAMELENGTH+1];
	
	if(isLocalFile(url)){
		MGCachedScript	*alocal = new MGCachedScript(url,1);
		NotifyDataProcessed(MSG_SCRIPTDATAPROCESSED);
		return alocal;
		}
	if(isLoaded(url)){
		strcpy(s,m_load.current()->TempName);
		CompleteTempName(s);
		return new MGCachedScript((unsigned char*)s);
		}
	if(isRequested(url))
		return 0;
	strcpy(s,"scr-");
	sprintf(t,"%d",++m_nRequested);
	strcat(s,t);
	if(strlen((char *)url)>=4&&*(url+strlen((char *)url)-4)=='.')
		strcat(s,(char *)url+strlen((char *)url)-4);
	else
		strcat(s,".js");
		
	LoadUrlStruct *sus=new LoadUrlStruct();
//	strcpy(sus->url,url);
	strncpy((char *)sus->url,(char *)url,URL_STRINGMAXLENGTH);
	sus->url[URL_STRINGMAXLENGTH] = 0;
	strncpy(sus->TempName,s,URL_TEMPNAMELENGTH);
	
	MGCachedScript* cachedScript= new MGCachedScript(url);
	sus->cachedScript = cachedScript;
	m_req.append(sus);
	RequestMsgToNet(sus->url);
	return cachedScript;
}