C++ Array::Begin方法代码示例

// WriteSolutionConfigs
//------------------------------------------------------------------------------
void SLNGenerator::WriteSolutionFolderListings( const Array< SLNSolutionFolder > & folders,
        Array< AString > & solutionFolderPaths )
{
    // Create every intermediate path
    const SLNSolutionFolder * const foldersEnd = folders.End();
    for( const SLNSolutionFolder * it = folders.Begin() ; it != foldersEnd ; ++it )
    {
        if ( solutionFolderPaths.Find( it->m_Path ) == nullptr )
        {
            solutionFolderPaths.Append( it->m_Path );
        }

        const char * pathEnd = it->m_Path.Find( NATIVE_SLASH );
        while ( pathEnd )
        {
            AStackString<> solutionFolderPath( it->m_Path.Get(), pathEnd );
            if ( solutionFolderPaths.Find( solutionFolderPath ) == nullptr )
            {
                solutionFolderPaths.Append( solutionFolderPath );
            }

            pathEnd = it->m_Path.Find( NATIVE_SLASH, pathEnd + 1 );
        }
    }

    solutionFolderPaths.Sort();

    // Solution Folders Listings

    const AString * const solutionFolderPathsEnd = solutionFolderPaths.End();
    for( const AString * it = solutionFolderPaths.Begin() ; it != solutionFolderPathsEnd ; ++it )
    {
        // parse solution folder name
        const char * solutionFolderName = it->FindLast( NATIVE_SLASH );
        solutionFolderName = solutionFolderName ? solutionFolderName + 1 : it->Get();

        // generate a guid for the solution folder
        AStackString<> solutionFolderGuid;
        VSProjectGenerator::FormatDeterministicProjectGUID( solutionFolderGuid, *it );

        // Guid must be uppercase (like visual)
        solutionFolderGuid.ToUpper();

        Write( "Project(\"{2150E333-8FDC-42A3-9474-1A3956D46DE8}\") = \"%s\", \"%s\", \"%s\"\r\n",
               solutionFolderName, solutionFolderName, solutionFolderGuid.Get() );

        Write( "EndProject\r\n" );
    }
}

void GradientsMergeMosaicInterface::__TargetImages_NodeActivated( TreeBox& sender, TreeBox::Node& node, int col )
{
   int index = sender.ChildIndex( &node );
   if ( index < 0 || size_type( index ) >= instance.targetFrames.Length() )
      throw Error( "GradientsMergeMosaicInterface: *Warning* Corrupted interface structures" );

   GradientsMergeMosaicInstance::ImageItem& item = instance.targetFrames[index];

   switch ( col )
   {
   case 0:
      // Activate the item's index number: ignore.
      break;
   case 1:
      // Activate the item's checkmark: toggle item's enabled state.
      item.enabled = !item.enabled;
      UpdateTargetImageItem( index );
      break;
   case 2:
      {
         // Activate the item's path: open the image.
         Array<ImageWindow> w = ImageWindow::Open( item.path );
         for ( Array<ImageWindow>::iterator i = w.Begin(); i != w.End(); ++i )
            i->Show();
      }
      break;
   }
}

void Renderer::OcclusionCull(const Scene * scene, const Array<SceneObject*> & scene_objects) {
    if (!scene->GetOcclusionCulling()) {
        return;
    }

    for (auto it = scene_objects.Begin(); it != scene_objects.End(); ++it) {
        RenderData* render_data = (*it)->GetRenderData();
        if (render_data == nullptr) {
            continue;
        }

        if (render_data->GetMaterial() == nullptr) {
            continue;
        }

        //If a query was issued on an earlier or same frame and if results are
        //available, then update the same. If results are unavailable, do nothing
        if (!(*it)->IsQueryIssued()) {
            continue;
        }

        GLuint query_result = GL_FALSE;
        GLuint *query = (*it)->GetOcclusionArray();
        glGetQueryObjectuiv(query[0], GL_QUERY_RESULT_AVAILABLE, &query_result);

        if (query_result) {
            GLuint pixel_count;
            glGetQueryObjectuiv(query[0], GL_QUERY_RESULT, &pixel_count);
            bool visibility = ((pixel_count & GL_TRUE) == GL_TRUE);

            (*it)->SetVisible(visibility);
            (*it)->SetQueryIssued(false);
        }
    }
}

// GetObjectListNodes
//------------------------------------------------------------------------------
bool Function::GetObjectListNodes( const BFFIterator & iter,
                                   const Array< AString > & objectLists,
                                   const char * inputVarName,
                                   Dependencies & nodes ) const
{
    NodeGraph & ng = FBuild::Get().GetDependencyGraph();

	const AString * const  end = objectLists.End();
	for ( const AString * it = objectLists.Begin(); it != end; ++it )
	{
		const AString & objectList = *it;

		// get node for the dir we depend on
		Node * node = ng.FindNode( objectList );
		if ( node == nullptr )
		{
            Error::Error_1104_TargetNotDefined( iter, this, inputVarName, objectList );
            return false;
        }
		else if ( node->GetType() != Node::OBJECT_LIST_NODE )
		{
			Error::Error_1102_UnexpectedType( iter, this, inputVarName, node->GetName(), node->GetType(), Node::OBJECT_LIST_NODE );
			return false;
		}

		nodes.Append( Dependency( node ) );
	}
	return true;
}

// GetImportLibName
//------------------------------------------------------------------------------
void LinkerNode::GetImportLibName( const AString & args, AString & importLibName ) const
{
    // split to individual tokens
    Array< AString > tokens;
    args.Tokenize( tokens );

    const AString * const end = tokens.End();
    for ( const AString * it = tokens.Begin(); it != end; ++it )
    {
        if ( LinkerNode::IsStartOfLinkerArg_MSVC( *it, "IMPLIB:" ) )
        {
            const char * impStart = it->Get() + 8;
            const char * impEnd = it->GetEnd();

            // if token is exactly /IMPLIB: then value is next token
            if ( impStart == impEnd )
            {
                ++it;
                // handle missing next value
                if ( it == end )
                {
                    return; // we just pretend it doesn't exist and let the linker complain
                }

                impStart = it->Get();
                impEnd = it->GetEnd();
            }

            Args::StripQuotes( impStart, impEnd, importLibName );
        }
    }
}

    void ResourceManager::Destroy()
    {
        ProcessRequests();

#if defined( CARBON_DEBUG )
        if ( resourceTable.Count() )
        {
            Array< Resource *, FrameAllocator > unreleased;
            resourceTable.Dump( unreleased );

            Char res_msg[512];

            CARBON_TRACE( "====================================================\n" );
            CARBON_TRACE( "# Some resources are leaking\n\n" );

            Array< Resource * >::Iterator it = unreleased.Begin();
            Array< Resource * >::ConstIterator end = unreleased.End();
            for ( ; it != end; ++it )
            {
                Resource * res = *it;

                StringUtils::FormatString( res_msg, sizeof(res_msg), "# %s | ref count : %d\n", res->GetName(), res->GetRefCount() );
                CARBON_TRACE( res_msg );
            }

            CARBON_TRACE( "\n====================================================\n" );
        }
#endif
        CARBON_ASSERT( resourceTable.Count() == 0 );
    }

void HDRCompositionInterface::__InputImages_NodeActivated( TreeBox& sender, TreeBox::Node& node, int col )
{
   int index = sender.ChildIndex( &node );
   if ( index < 0 || size_type( index ) >= instance.images.Length() )
      throw Error( "HDRCompositionInterface: *Warning* Corrupted interface structures" );

   HDRCompositionInstance::ImageItem& item = instance.images[index];

   switch ( col )
   {
   case 0:
      break;
   case 1:
      item.enabled = !item.enabled;
      UpdateInputImagesItem( index );
      break;
   case 2:
      {
         Array<ImageWindow> w = ImageWindow::Open( item.path );
         for ( Array<ImageWindow>::iterator i = w.Begin(); i != w.End(); ++i )
            i->Show();
      }
      break;
   }
}

// WriteNestedProjects
//------------------------------------------------------------------------------
void SLNGenerator::WriteNestedProjects( const Array< AString > & solutionProjectsToFolder,
                                        const Array< AString > & solutionFolderPaths )
{
    if ( solutionProjectsToFolder.GetSize() == 0 &&
            solutionFolderPaths.GetSize() == 0 )
    {
        return; // skip global section
    }

    Write( "\tGlobalSection(NestedProjects) = preSolution\r\n" );

    // Write every project to solution folder relationships
    const AString * const solutionProjectsToFolderEnd = solutionProjectsToFolder.End();
    for( const AString * it = solutionProjectsToFolder.Begin() ; it != solutionProjectsToFolderEnd ; ++it )
    {
        Write( it->Get() );
    }

    // Write every intermediate path
    const AString * const solutionFolderPathsEnd = solutionFolderPaths.End();
    for( const AString * it = solutionFolderPaths.Begin() ; it != solutionFolderPathsEnd ; ++it )
    {
        // parse solution folder parent path
        AStackString<> solutionFolderParentGuid;
        const char * lastSlash = it->FindLast( NATIVE_SLASH );
        if ( lastSlash )
        {
            AStackString<> solutionFolderParentPath( it->Get(), lastSlash );
            VSProjectGenerator::FormatDeterministicProjectGUID( solutionFolderParentGuid, solutionFolderParentPath );
        }

        if ( solutionFolderParentGuid.GetLength() > 0 )
        {
            // generate a guid for the solution folder
            AStackString<> solutionFolderGuid;
            VSProjectGenerator::FormatDeterministicProjectGUID( solutionFolderGuid, *it );

            solutionFolderGuid.ToUpper();
            solutionFolderParentGuid.ToUpper();

            // write parent solution folder relationship
            Write( "\t\t%s = %s\r\n", solutionFolderGuid.Get(), solutionFolderParentGuid.Get() );
        }
    }

    Write( "\tEndGlobalSection\r\n" );
}

void ExternalProcess::SetEnvironment( const StringList& environment )
{
   Array<const char16_type*> vars;
   for ( StringList::const_iterator i = environment.Begin(); i != environment.End(); ++i )
      vars.Add( i->c_str() );
   if ( (*API->ExternalProcess->SetExternalProcessEnvironment)( handle, vars.Begin(), vars.Length() ) == api_false )
      throw APIFunctionError( "SetExternalProcessEnvironment" );
}

void ExternalProcess::Start( const String& program, const StringList& arguments )
{
   Array<const char16_type*> argv;
   for ( StringList::const_iterator i = arguments.Begin(); i != arguments.End(); ++i )
      argv.Add( i->c_str() );
   if ( (*API->ExternalProcess->StartExternalProcess)( handle, program.c_str(), argv.Begin(), argv.Length() ) == api_false )
      throw APIFunctionError( "StartExternalProcess" );
}

// FormatName
//------------------------------------------------------------------------------
/*static*/ void DirectoryListNode::FormatName( const AString & path,
											   const Array< AString > * patterns,
											   bool recursive,
											   const Array< AString > & excludePaths,
                                               const Array< AString > & excludeFiles,
											   AString & result )
{
	ASSERT( path.EndsWith( NATIVE_SLASH ) );
	AStackString<> patternString;
	if ( patterns )
	{
		const size_t numPatterns = patterns->GetSize();
		for ( size_t i=0; i<numPatterns; ++i )
		{
			if ( i > 0 )
			{
				patternString += '<';
			}
			patternString += (*patterns)[ i ];
		}
	}
	result.Format( "%s|%s|%s|", path.Get(),
								  patternString.Get(),
								  recursive ? "true" : "false" );

	const AString * const end = excludePaths.End();
	for ( const AString * it = excludePaths.Begin(); it!=end; ++it )
	{
		const AString & excludePath = *it;
		ASSERT( excludePath.EndsWith( NATIVE_SLASH ) );
		result += excludePath;
		result += '<';
	}

    if ( !excludeFiles.IsEmpty() )
    {
        result += '|';
        const AString * const endFiles = excludeFiles.End();
        for ( const AString * itFiles = excludeFiles.Begin(); itFiles != endFiles; ++itFiles )
        {
            const AString & excludedFile = *itFiles;
            result += excludedFile;
            result += '<';
        }
    }
}

// AddFiles
//------------------------------------------------------------------------------
void VSProjectGenerator::AddFiles( const Array< AString > & files, bool filterByExtension )
{
	const AString * const fEnd = files.End();
	for ( const AString * fIt = files.Begin(); fIt!=fEnd; ++fIt )
	{
		AddFile( *fIt, filterByExtension );
	}
}

// AddFiles
//------------------------------------------------------------------------------
void VSProjectGenerator::AddFiles( const Array< AString > & files )
{
    const AString * const fEnd = files.End();
    for ( const AString * fIt = files.Begin(); fIt!=fEnd; ++fIt )
    {
        AddFile( *fIt );
    }
}

// GetDirectoryNodeList
//------------------------------------------------------------------------------
bool Function::GetDirectoryListNodeList( const BFFIterator & iter,
										 const Array< AString > & paths,
										 const Array< AString > & excludePaths,
                                         const Array< AString > & filesToExclude,
										 bool recurse,
										 const Array< AString > * patterns,
										 const char * inputVarName,
										 Dependencies & nodes ) const
{
	NodeGraph & ng = FBuild::Get().GetDependencyGraph();

	// Handle special case of excluded files beginning with ../
	// Since they can be used seinsibly by matching just the end
	// of a path, assume they are relative to the working dir.
	// TODO:C Move this during bff parsing when everything is using reflection
	Array< AString > filesToExcludeCleaned( filesToExclude.GetSize(), true );
	for ( const AString& file : filesToExclude )
	{
		if ( file.BeginsWith( ".." ) )
		{
			AStackString<> fullPath;
			NodeGraph::CleanPath( file, fullPath );
			filesToExcludeCleaned.Append( fullPath );
		}
		else
		{
			filesToExcludeCleaned.Append( file );
		}
	}

	const AString * const  end = paths.End();
	for ( const AString * it = paths.Begin(); it != end; ++it )
	{
		const AString & path = *it;

		// get node for the dir we depend on
		AStackString<> name;
		DirectoryListNode::FormatName( path, patterns, recurse, excludePaths, filesToExcludeCleaned, name );
		Node * node = ng.FindNode( name );
		if ( node == nullptr )
		{
			node = ng.CreateDirectoryListNode( name,
											   path,
											   patterns,
											   recurse,
											   excludePaths, 
                                               filesToExcludeCleaned );
		}
		else if ( node->GetType() != Node::DIRECTORY_LIST_NODE )
		{
			Error::Error_1102_UnexpectedType( iter, this, inputVarName, node->GetName(), node->GetType(), Node::DIRECTORY_LIST_NODE );
			return false;
		}

		nodes.Append( Dependency( node ) );
	}
	return true;
}

int ExternalProcess::ExecuteProgram( const String& program, const StringList& arguments )
{
   Array<const char16_type*> argv;
   for ( StringList::const_iterator i = arguments.Begin(); i != arguments.End(); ++i )
      argv.Add( i->c_str() );
   int retVal = (*API->ExternalProcess->ExecuteProgram)( program.c_str(), argv.Begin(), argv.Length() );
   if ( retVal < -1 )
      ExternalProcessPrivate::Throw( ExternalProcessContext::FailedToStart );
   return retVal;
}