180 lines
6.3 KiB
Objective-C
180 lines
6.3 KiB
Objective-C
/****************************************************************************
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Copyright (c) 2006, Radon Labs GmbH
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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//------------------------------------------------------------------------------
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/**
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@class IO::XmlReader
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Reads XML formatted data with random access from a stream using
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TinyXML as backend. The XML document is represented as a tree of
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nodes, which can be navigated and queried.
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*/
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#include "io/streamreader.h"
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#include "math/float4.h"
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#include "math/float2.h"
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#include "math/matrix44.h"
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#include "util/assetpath.h"
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#include "tinyxml/tinyxml.h"
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#include "util/scriptbind.h"
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//------------------------------------------------------------------------------
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namespace IO
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{
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class XmlReader : public StreamReader
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{
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__DeclareClass(XmlReader);
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__ScriptBind
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public:
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/// constructor
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XmlReader();
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/// destructor
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virtual ~XmlReader();
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/// begin reading from the stream
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virtual bool Open();
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/// end reading from the stream
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virtual void Close();
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/// return true if node exists
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bool HasNode(const Util::String& path) const;
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/// get short name of current node
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Util::String GetCurrentNodeName() const;
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/// get path to current node
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Util::String GetCurrentNodePath() const;
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/// returns the line number of the current node
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int GetCurrentNodeLineNumber() const;
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/// set current node as path
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void SetToNode(const Util::String& path);
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/// set current node to first child node, return false if no child exists
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bool SetToFirstChild(const Util::String& name = "");
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/// set current node to next sibling node, return false if no more sibling exists
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bool SetToNextChild(const Util::String& name = "");
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/// set current node to parent, return false if no parent exists
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bool SetToParent();
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/// return true if matching attribute exists on current node
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bool HasAttr(const char* attr) const;
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/// return names of all attrs on current node
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Util::Array<Util::String> GetAttrs() const;
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/// return true if current node has embedded content
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bool HasContent() const;
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/// return embedded content of current node
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Util::String GetContent() const;
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/// get string attribute value from current node
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Util::String GetString(const char* attr) const;
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/// get char* attribute value from current node and step fword
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const char* GetString_forward(const char* name );
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/// get bool attribute value from current node
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bool GetBool(const char* attr) const;
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/// get int attribute value from current node
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int GetInt(const char* attr) const;
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/// get float attribute value from current node
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float GetFloat(const char* attr) const;
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/// get float2 attribute value from current node
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Math::float2 GetFloat2(const char* attr) const;
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/// get float4 attribute value from current node
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Math::float4 GetFloat4(const char* attr) const;
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/// get float4 attribute value from current node
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Math::float3 GetFloat3(const char* attr) const;
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/// get matrix44 attribute value from current node
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Math::matrix44 GetMatrix44(const char* attr) const;
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/// get assetpath attribute value from current node
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Util::AssetPath GetAssetPath(const char* attr) const;
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/// generic getter for extension types
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template<typename T> T Get(const char* attr) const;
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/// get optional string attribute value from current node
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Util::String GetOptString(const char* attr, const Util::String& defaultValue) const;
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/// get optional bool attribute value from current node
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bool GetOptBool(const char* attr, bool defaultValue) const;
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/// get optional int attribute value from current node
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int GetOptInt(const char* attr, int defaultValue) const;
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/// get optional float attribute value from current node
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float GetOptFloat(const char* attr, float defaultValue) const;
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/// get float2 attribute value from current node
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Math::float2 GetOptFloat2(const char* attr, const Math::float2& defaultValue) const;
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/// get optional float4 attribute value from current node
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Math::float4 GetOptFloat4(const char* attr, const Math::float4& defaultValue) const;
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/// get optional matrix44 attribute value from current node
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Math::matrix44 GetOptMatrix44(const char* attr, const Math::matrix44& defaultValue) const;
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TiXmlElement* GetCurrentNode(void) const;
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void SetCurrentNode( TiXmlElement* node );
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private:
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/// find a node by path, handles relativ paths as well
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TiXmlNode* FindNode(const Util::String& path) const;
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/// static helper object for TinyXml-Initialization at application startup
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class TinyXmlInitHelper
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{
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public:
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/// constructor
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TinyXmlInitHelper()
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{
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TiXmlBase::SetCondenseWhiteSpace(true);
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}
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};
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static TinyXmlInitHelper initTinyXml;
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TiXmlDocument* xmlDocument;
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TiXmlElement* curNode;
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protected:
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};
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//------------------------------------------------------------------------
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inline
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TiXmlElement* XmlReader::GetCurrentNode(void) const
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{
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return curNode;
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}
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//------------------------------------------------------------------------
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inline
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void
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XmlReader::SetCurrentNode(TiXmlElement* node)
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{
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curNode = node;
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}
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} // namespace IO
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//------------------------------------------------------------------------------
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