void CDocument::LoadFromURL( const std::string& inURL, std::function<void(CDocument*)> inCompletionBlock )
{
if( mLoaded )
{
inCompletionBlock( this );
return;
}
mLoadCompletionBlocks.push_back( inCompletionBlock );
if( mLoading ) // We'll call you, too, once we have finished loading.
return;
mLoading = true;
size_t slashOffset = inURL.rfind( '/' );
if( slashOffset == std::string::npos )
slashOffset = 0;
mURL = inURL.substr(0,slashOffset);
mMediaCache.SetURL( mURL );
slashOffset = mURL.rfind( '/' );
if( slashOffset == std::string::npos )
slashOffset = 0;
mName = mURL.substr(slashOffset+1,std::string::npos);
slashOffset = mName.rfind( '.' );
if( slashOffset == std::string::npos )
slashOffset = 0;
mName = mName.substr(0,slashOffset);
CURLRequest request( inURL );
CURLConnection::SendRequestWithCompletionHandler( request, [inURL,this](CURLResponse inResponse, const char* inData, size_t inDataLength)
{
if( inURL.find("file://") != 0 ) // Not a local file?
SetWriteProtected(true); // Can't write changes to it to disk.
CAutoreleasePool pool;
tinyxml2::XMLDocument document;
if( tinyxml2::XML_SUCCESS == document.Parse( inData, inDataLength ) )
{
//document.Print();
tinyxml2::XMLElement * root = document.RootElement();
// Load read/written version numbers so we can conditionally react to them:
mCreatedByVersion.clear();
CTinyXMLUtils::GetStringNamed( root, "createdByVersion", mCreatedByVersion );
mLastCompactedVersion.clear();
CTinyXMLUtils::GetStringNamed( root, "lastCompactedVersion", mLastCompactedVersion );
mFirstEditedVersion.clear();
CTinyXMLUtils::GetStringNamed( root, "firstEditedVersion", mFirstEditedVersion );
mLastEditedVersion.clear();
CTinyXMLUtils::GetStringNamed( root, "lastEditedVersion", mLastEditedVersion );
mUserLevel = CTinyXMLUtils::GetIntNamed( root, "userLevel", 5 );
mPrivateAccess = CTinyXMLUtils::GetBoolNamed( root, "privateAccess", false );
mCantPeek = CTinyXMLUtils::GetBoolNamed( root, "cantPeek", false );
mMediaCache.LoadStandardResources();
// Load media table of this document so others can access it: (ICONs, PICTs, CURSs and SNDs)
// Load style table so others can access it:
mMediaCache.LoadMediaTableFromElementAsBuiltIn( root, false ); // Load media from this stack.
LoadUserPropertiesFromElement( root );
mScript.clear();
CTinyXMLUtils::GetStringNamed( root, "script", mScript );
// Load stacks:
tinyxml2::XMLElement * currStackElem = root->FirstChildElement( "stack" );
while( currStackElem )
{
std::string fileName( currStackElem->Attribute("file") );
std::string stackURL = mURL;
if( stackURL[stackURL.length()-1] != '/' )
stackURL.append( 1, '/' );
stackURL.append( fileName );
ObjectID stackID = CTinyXMLUtils::GetLongLongAttributeNamed( currStackElem, "id" );
const char* theName = currStackElem->Attribute("name");
const char* theThumbnail = currStackElem->Attribute("thumbnail");
CStack * theStack = NewStackWithURLIDNameForDocument( stackURL, stackID, (theName ? theName : ""), fileName, this );
theStack->Autorelease();
mStacks.push_back( theStack );
if( theThumbnail )
theStack->SetThumbnailName( theThumbnail );
currStackElem = currStackElem->NextSiblingElement( "stack" );
}
// Load menus:
tinyxml2::XMLElement * currMenuElem = root->FirstChildElement( "menu" );
while( currMenuElem )
{
NewMenuWithElement( currMenuElem, EMenuDontMarkChanged );
currMenuElem = currMenuElem->NextSiblingElement( "menu" );
}
}
mChangeCount = 0;
CallAllCompletionBlocks();
} );
}
