genesis-3d_engine/Engine/foundation/io/assignregistry.cc

/****************************************************************************
Copyright (c) 2008, Radon Labs GmbH
Copyright (c) 2011-2013,WebJet Business Division,CYOU
 
http://www.genesis-3d.com.cn

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#include "stdneb.h"
#include "io/assignregistry.h"
#include "io/fswrapper.h"
#include "core/coreserver.h"

namespace IO
{
//__ImplementClass(IO::AssignRegistry, 'ASRG', Core::RefCounted);
__ImplementImageSingleton(IO::AssignRegistry);

using namespace Util;

//------------------------------------------------------------------------------
/**
*/
AssignRegistry::AssignRegistry() :
    isValid(false)
{
    __ConstructImageSingleton;
}

//------------------------------------------------------------------------------
/**
*/
AssignRegistry::~AssignRegistry()
{
    if (this->IsValid())
    {
        this->Discard();
    }
    __DestructImageSingleton;
}

//------------------------------------------------------------------------------
/**
*/
void
AssignRegistry::Setup()
{
    //this->critSect.Enter();

    n_assert(!this->IsValid());
    this->isValid = true;
    //this->SetupSystemAssigns();
    //this->SetupProjectAssigns();
    
    //this->critSect.Leave();

	String binLocation = FSWrapper::GetBinDirectory();
	if (binLocation.IsValid())
	{
	    this->SetAssign(Assign("bin", binLocation));
	}
}

//------------------------------------------------------------------------------
/**
*/
void
AssignRegistry::Discard()
{
    //this->critSect.Enter();
    
    n_assert(this->IsValid());
    this->assignTable.Clear();
    this->isValid = false;
    
    //this->critSect.Leave();
}

//------------------------------------------------------------------------------
/**
*/
bool
AssignRegistry::IsValid() const
{
    return this->isValid;
}

////------------------------------------------------------------------------------
///**
//*/
//void
//AssignRegistry::SetupSystemAssigns()
//{
//    //this->critSect.Enter();
//
//    n_assert(this->IsValid()); 
//    
//    String homeLocation = FSWrapper::GetHomeDirectory();
//    if (homeLocation.IsValid())
//    {
//        this->SetAssign(Assign("home", homeLocation));
//    }
//    #if !(__WII__ || __PS3__)
//    String binLocation = FSWrapper::GetBinDirectory();
//    if (binLocation.IsValid())
//    {
//        this->SetAssign(Assign("bin", binLocation));
//    }
//    String tempLocation = FSWrapper::GetTempDirectory();
//    if (tempLocation.IsValid())
//    { 
//        this->SetAssign(Assign("temp", tempLocation));
//    }
//    String userLocation = FSWrapper::GetUserDirectory();
//    if (userLocation.IsValid())
//    {
//        this->SetAssign(Assign("user", userLocation));
//    }
//	//#ifdef __GENESIS_EDITOR__
//	//String editorAssetLocation = FSWrapper::GetEditorAssetDirectory();
//	//if (editorAssetLocation.IsValid())
//	//{
//	//	this->SetAssign(Assign("editor", editorAssetLocation));
//	//}
//	//#endif // __GENESIS_EDITOR__
//    #endif
//    
//    #if __WIN32__
//    String appDataLocation = FSWrapper::GetAppDataDirectory();
//    if (appDataLocation.IsValid())
//    {
//        this->SetAssign(Assign("appdata", appDataLocation));
//    }
//    String programsLocation = FSWrapper::GetProgramsDirectory();
//    if (programsLocation.IsValid())
//    {
//        this->SetAssign(Assign("programs", programsLocation));
//    }
//    #endif
//
//    //this->critSect.Leave();
//}    
//
////------------------------------------------------------------------------------
///**
//*/
//void
//AssignRegistry::SetupProjectAssigns()
//{
//	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD>ⲿ<EFBFBD><E2B2BF><EFBFBD><EFBFBD>
//	return;
//
// //   //this->critSect.Enter();
// //       
// //   n_assert(this->IsValid());
//
// //   String rootDir = Core::CoreServer::Instance()->GetRootDirectory().AsString();
// //   this->SetAssign(Assign("root", rootDir));
//
// //   #if __WIN32__
// //       this->SetAssign(Assign("export", "root:export_win32"));
// //   #elif __XBOX360__
// //       this->SetAssign(Assign("export", "root:export_xbox360"));
// //   #elif __WII__
// //       this->SetAssign(Assign("export", "root:export_wii"));
// //   #elif __PS3__
// //       this->SetAssign(Assign("export", "root:export_ps3"));
// //   #elif __OSX__
// //       this->SetAssign(Assign("export", "root:export_osx"));
// //   #else
// //   #error "PLATFORM FIXME: setup platform specific assigns!"
// //   #endif
//
//	////temp code
//	////SetAssign( IO::Assign("Net","http://10.7.82.13:8080") );
//	////SetAssign( IO::Assign("export", "Net:export_win32"));
//
// //   // setup content assigns
// //   this->SetAssign(Assign("msh", "export:meshes"));
// //   this->SetAssign(Assign("ani", "export:anims"));
// //   this->SetAssign(Assign("data", "export:data"));        
// //   this->SetAssign(Assign("video", "export:video"));
// //   this->SetAssign(Assign("seq", "export:sequences"));
// //   this->SetAssign(Assign("stream", "export:audio"));
// //   this->SetAssign(Assign("shd", "export:shaders"));
// //   this->SetAssign(Assign("tex", "export:textures"));
// //   this->SetAssign(Assign("frame", "export:frame"));
// //   this->SetAssign(Assign("mdl", "export:models"));
// //   this->SetAssign(Assign("audio", "export:audio"));
// //   this->SetAssign(Assign("sui", "export:sui"));       
// //   this->SetAssign(Assign("wiidata", "export:wiidata"));   
//
// //   // setup special system assigns (for placeholders, etc...)
// //   this->SetAssign(Assign("sysmsh", "export:meshes"));
// //   this->SetAssign(Assign("systex", "export:textures"));
// //   this->SetAssign(Assign("sysanim", "export:anims"));
//
// //   // Nebula2 backward compat assigns:
// //   this->SetAssign(Assign("meshes", "export:meshes"));
// //   this->SetAssign(Assign("anims", "export:anims"));
// //   this->SetAssign(Assign("textures", "export:textures"));
//
// //   //this->critSect.Leave();
//}

//------------------------------------------------------------------------------
/**
*/
void
AssignRegistry::SetAssign(const Assign& assign)
{
    //this->critSect.Enter();

    n_assert(this->IsValid());
    if (this->HasAssign(assign.GetName()))
    {
        this->ClearAssign(assign.GetName());
    }
    this->assignTable.Add(assign);
    
    //this->critSect.Leave();
}

//------------------------------------------------------------------------------
/**
*/
bool
AssignRegistry::HasAssign(const String& assignName) const
{
    //this->critSect.Enter();
    n_assert(assignName.IsValid());
    bool result = this->assignTable.Contains(assignName);
    //this->critSect.Leave();
    return result;
}

//------------------------------------------------------------------------------
/**
*/
String
AssignRegistry::GetAssign(const String& assignName) const
{
    //this->critSect.Enter();

    n_assert(assignName.IsValid());
    n_assert(this->HasAssign(assignName));
    String result = this->assignTable[assignName];
    
    //this->critSect.Leave();
    return result;
}

//------------------------------------------------------------------------------
/**
*/
void
AssignRegistry::ClearAssign(const String& assignName)
{
    //this->critSect.Enter();

    n_assert(assignName.IsValid());
    n_assert(this->HasAssign(assignName));
    this->assignTable.Erase(assignName);

    //this->critSect.Leave();
}

//------------------------------------------------------------------------------
/**
*/
Array<Assign>
AssignRegistry::GetAllAssigns() const
{
    //this->critSect.Enter();

    Array<KeyValuePair<String,String> > content = this->assignTable.Content();
    Array<Assign> assigns(content.Size(), 0);
    IndexT i;
    for (i = 0; i < content.Size(); i++)
    {
        assigns.Append(Assign(content[i].Key(), content[i].Value()));
    }

    //this->critSect.Leave();
    return assigns;
}

//------------------------------------------------------------------------------
/**
    Resolves all assigns from an URI returning an URI. It is allowed to
    "stack" assigns, which means, defining an assign as pointing to
    another assign.
*/
URI
AssignRegistry::ResolveAssigns(const URI& uri) const
{
    //this->critSect.Enter();
    URI resolvedUri = this->ResolveAssignsInString(uri.AsString());
    //this->critSect.Leave();
    return resolvedUri;
}

//------------------------------------------------------------------------------
/**
    Resolves all assigns from a URI. It is allowed to
    "stack" assigns, which means, defining an assign as pointing to
    another assign.s
*/
String
AssignRegistry::ResolveAssignsInString(const String& uriString) const
{
    //this->critSect.Enter();
    String result = uriString;

    // check for assigns
    int colonIndex;
    while ((colonIndex = result.FindCharIndex(':', 0)) > 0)
    {
        // special case: ignore one-caracter "assigns" because they are 
        // really DOS drive letters
        if (colonIndex > 1)
        {
            String assignString = result.ExtractRange(0, colonIndex);
            
            // ignore unknown assigns, because these may be part of an URI
            if (this->HasAssign(assignString))
            {
                String postAssignString = result.ExtractRange(colonIndex + 1, result.Length() - (colonIndex + 1));
                String replace = this->GetAssign(assignString);
                if (!replace.IsEmpty())
                {
                    if (replace[replace.Length()-1] != ':'
                        && (replace[replace.Length()-1] != '/'
                        || replace[replace.Length()-2] != ':'))
                    {
                        replace.Append("/");
                    }
                    replace.Append(postAssignString);
                }
                result = replace;
            }
            else break;
        }
        else break;
    }
    result.ConvertBackslashes();
    result.TrimRight("/");
    //this->critSect.Leave();

    return result;
}

} // namespace IO