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C++ ExportContext::beginElement方法代码示例

本文整理汇总了C++中ExportContext::beginElement方法的典型用法代码示例。如果您正苦于以下问题：C++ ExportContext::beginElement方法的具体用法？C++ ExportContext::beginElement怎么用？C++ ExportContext::beginElement使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ExportContext的用法示例。


在下文中一共展示了ExportContext::beginElement方法的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: xmlExportBegin

void MediaFormatIO::xmlExportBegin(
	ExportContext&		context) const {
	
	switch(m_format.type) {

		case B_MEDIA_RAW_AUDIO:
			context.beginElement(s_raw_audio_tag);
			break;
		
		case B_MEDIA_RAW_VIDEO:
			context.beginElement(s_raw_video_tag);
			break;
			
		case B_MEDIA_MULTISTREAM:
			context.beginElement(s_multistream_tag);
			break;
			
		case B_MEDIA_ENCODED_AUDIO:
			context.beginElement(s_encoded_audio_tag);
			break;
			
		case B_MEDIA_ENCODED_VIDEO:
			context.beginElement(s_encoded_video_tag);
			break;
			
		default:
			// +++++ not very polite
			context.reportError("MediaFormatIO: type not supported\n");
			break;
	}	
}
开发者ID:HaikuArchives，项目名称:Cortex，代码行数:31，代码来源:MediaFormatIO.cpp

示例2: export_multistream_content

void export_multistream_content(
	const media_multistream_format& f,
	ExportContext& context) {

	context.beginContent();
	
	// write flags
	context.beginElement(MediaFormatIO::s_multistream_flags_tag);
	export_multistream_flags_attr(f.flags, context);
	context.endElement();
	
	// write format-specific info
	if(f.format == media_multistream_format::B_VID) {
		context.beginElement(MediaFormatIO::s_multistream_vid_info_tag);
		export_multistream_vid_info_attr(f.u.vid, context);
		context.endElement();
	}
	else if(f.format == media_multistream_format::B_AVI) {
		context.beginElement(MediaFormatIO::s_multistream_avi_info_tag);
		export_multistream_avi_info_attr(f.u.avi, context);
		context.beginContent();
		export_multistream_avi_info_content(f.u.avi, context);
		context.endElement();
	}
}
开发者ID:HaikuArchives，项目名称:Cortex，代码行数:25，代码来源:MediaFormatIO.cpp

示例3: export_raw_video_content

void export_raw_video_content(
	const media_raw_video_format& f,
	ExportContext& context) {
	
	context.beginContent();
	context.beginElement(MediaFormatIO::s_video_display_info_tag);
	export_video_display_info_attr(f.display, context);
	context.endElement();
}
开发者ID:HaikuArchives，项目名称:Cortex，代码行数:9，代码来源:MediaFormatIO.cpp

示例4: export_encoded_video_content

void export_encoded_video_content(
	const media_encoded_video_format& f,
	ExportContext& context) {

	context.beginContent();

	context.beginElement(MediaFormatIO::s_raw_video_tag);
	export_raw_video_attr(f.output, context);
	context.endElement();
}
开发者ID:HaikuArchives，项目名称:Cortex，代码行数:10，代码来源:MediaFormatIO.cpp

示例5: write_media_type

void write_media_type(
	media_type t,
	ExportContext& context) {

	context.beginElement(MediaFormatIO::s_media_type_tag);
	context.beginContent();
	
	switch(t) {
		case B_MEDIA_NO_TYPE:
			context.writeString("B_MEDIA_NO_TYPE");
			break;
		case B_MEDIA_UNKNOWN_TYPE:
			context.writeString("B_MEDIA_UNKNOWN_TYPE");
			break;
		case B_MEDIA_RAW_AUDIO:
			context.writeString("B_MEDIA_RAW_AUDIO");
			break;
		case B_MEDIA_RAW_VIDEO:
			context.writeString("B_MEDIA_RAW_VIDEO");
			break;
		case B_MEDIA_VBL:
			context.writeString("B_MEDIA_VBL");
			break;
		case B_MEDIA_TIMECODE:
			context.writeString("B_MEDIA_TIMECODE");
			break;
		case B_MEDIA_MIDI:
			context.writeString("B_MEDIA_MIDI");
			break;
		case B_MEDIA_TEXT:
			context.writeString("B_MEDIA_TEXT");
			break;
		case B_MEDIA_HTML:
			context.writeString("B_MEDIA_HTML");
			break;
		case B_MEDIA_MULTISTREAM:
			context.writeString("B_MEDIA_MULTISTREAM");
			break;
		case B_MEDIA_PARAMETERS:
			context.writeString("B_MEDIA_PARAMETERS");
			break;
		case B_MEDIA_ENCODED_AUDIO:
			context.writeString("B_MEDIA_ENCODED_AUDIO");
			break;
		case B_MEDIA_ENCODED_VIDEO:
			context.writeString("B_MEDIA_ENCODED_VIDEO");
			break;
		default: {
			BString val;
			val << (uint32)t;
			context.writeString(val);
		}
	}
	context.endElement();
}
开发者ID:HaikuArchives，项目名称:Cortex，代码行数:55，代码来源:MediaFormatIO.cpp

示例6: xmlExportBegin

// -------------------------------------------------------- //
void ConnectionIO::xmlExportBegin(
    ExportContext&						context) const {

    if(!m_exportValid) {
        context.reportError(
            "ConnectionIO::xmlExportBegin():\n"
            "*** invalid ***\n");
        return;
    }

    context.beginElement(_CONNECTION_ELEMENT);
}
开发者ID:yunxiaoxiao110，项目名称:haiku，代码行数:13，代码来源:ConnectionIO.cpp

示例7: export_encoded_audio_content

void export_encoded_audio_content(
	const media_encoded_audio_format& f,
	ExportContext& context) {
	
	context.beginContent();

	context.beginElement(MediaFormatIO::s_raw_audio_tag);
	export_raw_audio_attr(f.output, context);

#if B_BEOS_VERSION > B_BEOS_VERSION_4_5
	export_multi_audio_info_attr(f.multi_info, context);
#endif

	context.endElement();
}
开发者ID:HaikuArchives，项目名称:Cortex，代码行数:15，代码来源:MediaFormatIO.cpp

示例8: xmlExportBegin

void RouteAppNodeManager::xmlExportBegin(
	ExportContext&								context) const {

	status_t err;
	
	try {
		NodeSetIOContext& set = dynamic_cast<NodeSetIOContext&>(context);
		context.beginElement(_NODE_SET_ELEMENT);
		
		// validate the node set
		for(int n = set.countNodes()-1; n >= 0; --n) {
			media_node_id id = set.nodeAt(n);
			ASSERT(id != media_node::null.node);
			
			// fetch node
			NodeRef* ref;
			err = getNodeRef(id, &ref);
			if(err < B_OK) {
				D_SETTINGS((
					"! RVNM::xmlExportBegin(): node %ld doesn't exist\n", id));

				set.removeNodeAt(n);
				continue;
			}
			// skip unless internal
			if(!ref->isInternal()) {
				D_SETTINGS((
					"! RVNM::xmlExportBegin(): node %ld not internal; skipping.\n", id));

				set.removeNodeAt(n);
				continue;
			}
		}
	}
	catch(bad_cast& e) {
		context.reportError("RouteAppNodeManager: expected a NodeSetIOContext\n");
	}
}
开发者ID:mariuz，项目名称:haiku，代码行数:38，代码来源:RouteAppNodeManager.cpp

示例9: xmlExportContent

void ConnectionIO::xmlExportContent(
    ExportContext&						context) const {

    context.beginContent();

    // write output
    {
        context.beginElement(_OUTPUT_ELEMENT);
        context.beginContent();

        // describe the node
//		LiveNodeIO nodeIO(
//			m_manager,
//			dynamic_cast<NodeSetIOContext*>(&context),
//			m_outputNode);
        context.writeObject(m_outputNodeIO);

//		context.beginElement(_LIVE_NODE_ELEMENT);
//		if(m_outputNodeKey.Length()) {
//			context.writeAttr("key", m_outputNodeKey);
//		}
//		else {
//			_write_simple("name", m_outputNodeName.String(), context);
//			_write_node_kinds(m_outputNodeKind, context);
//		}
//		context.endElement(); // _LIVE_NODE_ELEMENT

        // describe the output

        _write_simple("name", m_outputName.String(), context);

        if(m_outputFormat.type > B_MEDIA_UNKNOWN_TYPE) {
            MediaFormatIO io(m_outputFormat);
            context.writeObject(&io);
        }

        context.endElement(); // _OUTPUT_ELEMENT
    }

    // write input
    {
        context.beginElement(_INPUT_ELEMENT);
        context.beginContent();

        // describe the node
//		LiveNodeIO nodeIO(
//			m_manager,
//			dynamic_cast<NodeSetIOContext*>(&context),
//			m_inputNode);
        context.writeObject(m_inputNodeIO);

//		context.beginElement(_LIVE_NODE_ELEMENT);
//		if(m_inputNodeKey.Length()) {
//			context.writeAttr("key", m_inputNodeKey);
//		}
//		else {
//			_write_simple("name", m_inputNodeName.String(), context);
//			_write_node_kinds(m_inputNodeKind, context);
//		}
//		context.endElement(); // _LIVE_NODE_ELEMENT

        // describe the input

        _write_simple("name", m_inputName.String(), context);

        if(m_inputFormat.type > B_MEDIA_UNKNOWN_TYPE) {
            MediaFormatIO io(m_inputFormat);
            context.writeObject(&io);
        }

        context.endElement(); // _INPUT_ELEMENT
    }

    // write requested format
    if(m_requestedFormat.type > B_MEDIA_UNKNOWN_TYPE) {
        MediaFormatIO io(m_requestedFormat);
        BString comment = "\n";
        comment << context.indentString();
        comment << "<!-- initial requested format -->";
        context.writeString(comment);
        context.writeObject(&io);
    }
}
开发者ID:yunxiaoxiao110，项目名称:haiku，代码行数:83，代码来源:ConnectionIO.cpp

示例10: xmlExportBegin

void NodeKey::xmlExportBegin(
	ExportContext&								context) const {

	context.beginElement(s_element);
}
开发者ID:AmirAbrams，项目名称:haiku，代码行数:5，代码来源:NodeKey.cpp

示例11: xmlExportBegin

void FlatMessageIO::xmlExportBegin(
	ExportContext& context) const {
	
	context.beginElement(s_element);
}
开发者ID:AmirAbrams，项目名称:haiku，代码行数:5，代码来源:FlatMessageIO.cpp

示例12: xmlExportContent

void RouteAppNodeManager::xmlExportContent(
	ExportContext&								context) const {

	status_t err;

	try {
		NodeSetIOContext& nodeSet = dynamic_cast<NodeSetIOContext&>(context);
		context.beginContent();
	
		// write nodes; enumerate connections
		typedef map<uint32,Connection> connection_map;
		connection_map connections;
		int count = nodeSet.countNodes();
		for(int n = 0; n < count; ++n) {
			media_node_id id = nodeSet.nodeAt(n);
			ASSERT(id != media_node::null.node);
			
			// fetch node
			NodeRef* ref;
			err = getNodeRef(id, &ref);
			if(err < B_OK) {
				D_SETTINGS((
					"! RouteAppNodeManager::xmlExportContent():\n"
					"  getNodeRef(%ld) failed: '%s'\n",
					id, strerror(err)));
				continue;
			}

			// fetch connections
			vector<Connection> conSet;
			ref->getInputConnections(conSet);
			ref->getOutputConnections(conSet);
			for(uint32 c = 0; c < conSet.size(); ++c)
				// non-unique connections will be rejected:
				connections.insert(
					connection_map::value_type(conSet[c].id(), conSet[c]));

			// create an IO object for the node & write it
			DormantNodeIO io(ref, nodeSet.keyAt(n));
			if(context.writeObject(&io) < B_OK)
				// abort
				return;
		}		

		// write connections
		for(connection_map::const_iterator it = connections.begin();
			it != connections.end(); ++it) {
		
			ConnectionIO io(
				&(*it).second, 
				this,
				&nodeSet);
			if(context.writeObject(&io) < B_OK)
				// abort
				return;
				
		}
	
		// +++++ write groups
	
		// write UI state
		{
			BMessage m;
			nodeSet.exportUIState(&m);
			context.beginElement(_UI_STATE_ELEMENT);
			context.beginContent();
			MessageIO io(&m);
			context.writeObject(&io);
			context.endElement();
		}
	}
	catch(bad_cast& e) {
		context.reportError("RouteAppNodeManager: expected a NodeSetIOContext\n");
	}	
}
开发者ID:mariuz，项目名称:haiku，代码行数:75，代码来源:RouteAppNodeManager.cpp


注：本文中的ExportContext::beginElement方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。