426 lines
9.8 KiB
C++
426 lines
9.8 KiB
C++
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/****************************************************************************
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Copyright (c) 2009, 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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#include "stdneb.h"
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#include "exception/exceptions.h"
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#include "bxmlreader.h"
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namespace IO
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{
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__ImplementClass(IO::BXmlReader, 'BXLR', IO::StreamReader);
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using namespace Util;
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#if !__OSX__
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using namespace Math;
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#endif
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//------------------------------------------------------------------------------
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/**
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*/
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BXmlReader::BXmlReader()
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{
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// empty
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}
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//------------------------------------------------------------------------------
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/**
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*/
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BXmlReader::~BXmlReader()
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{
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if (this->IsOpen())
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{
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this->Close();
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}
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}
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//------------------------------------------------------------------------------
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/**
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*/
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bool
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BXmlReader::Open()
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{
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n_assert(!this->loaderUtil.IsValid());
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n_assert(this->stream->CanBeMapped());
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if (StreamReader::Open())
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{
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// map the stream content into memory
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void* buf = this->stream->Map();
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SizeT bufSize = this->stream->GetSize();
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// setup the loader util
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this->loaderUtil.SetupFromFileInMemory(buf, bufSize);
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return true;
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}
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// fallthrough: some error occured
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return false;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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BXmlReader::Close()
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{
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n_assert(this->loaderUtil.IsValid());
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this->loaderUtil.Discard();
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this->stream->Unmap();
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StreamReader::Close();
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}
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//------------------------------------------------------------------------------
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/**
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*/
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bool
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BXmlReader::HasNode(const String& path) const
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{
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n_assert(this->IsOpen());
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return (BXmlLoaderUtil::InvalidNodeIndex != this->loaderUtil.FindNodeIndex(path.AsCharPtr()));
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}
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//------------------------------------------------------------------------------
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/**
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*/
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String
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BXmlReader::GetCurrentNodeName() const
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{
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n_assert(this->IsOpen());
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return String(this->loaderUtil.GetCurrentNodeName());
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}
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//------------------------------------------------------------------------------
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/**
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*/
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String
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BXmlReader::GetCurrentNodePath() const
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{
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n_assert(this->IsOpen());
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// build bottom-up array of node names
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Array<String> components;
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ushort nodeIndex = this->loaderUtil.GetCurrentNodeIndex();
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while (BXmlLoaderUtil::InvalidNodeIndex != nodeIndex)
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{
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components.Append(this->loaderUtil.GetNodeName(nodeIndex));
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nodeIndex = this->loaderUtil.GetParentNodeIndex(nodeIndex);
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}
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// build top down path
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String path = "/";
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int i;
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for (i = components.Size() - 1; i >= 0; --i)
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{
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path.Append(components[i]);
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if (i > 0)
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{
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path.Append("/");
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}
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}
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return path;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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BXmlReader::SetToNode(const String& path)
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{
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n_assert(this->IsOpen());
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ushort nodeIndex = this->loaderUtil.FindNodeIndex(path.AsCharPtr());
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if (BXmlLoaderUtil::InvalidNodeIndex == nodeIndex)
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{
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SYS_EXCEPT(Exceptions::SerializeException,
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STRING_FORMAT("node not found: '%s'\n", path.AsCharPtr()),
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GET_FUNCTION_NAME()
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);
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}
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else
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{
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this->loaderUtil.SetCurrentNodeIndex(nodeIndex);
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}
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}
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//------------------------------------------------------------------------------
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/**
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*/
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bool
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BXmlReader::SetToFirstChild(const String& name)
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{
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n_assert(this->IsOpen());
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return this->loaderUtil.SetToFirstChild(name.AsCharPtr());
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}
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//------------------------------------------------------------------------------
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/**
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*/
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bool
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BXmlReader::SetToNextChild(const String& name)
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{
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n_assert(this->IsOpen());
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return this->loaderUtil.SetToNextChild(name.AsCharPtr());
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}
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//------------------------------------------------------------------------------
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/**
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*/
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bool
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BXmlReader::SetToParent()
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{
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n_assert(this->IsOpen());
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return this->loaderUtil.SetToParent();
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}
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//------------------------------------------------------------------------------
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/**
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*/
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bool
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BXmlReader::HasAttr(const char* attr) const
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{
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n_assert(this->IsOpen());
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return (BXmlLoaderUtil::InvalidAttrIndex != this->loaderUtil.FindAttrIndex(attr));
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}
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//------------------------------------------------------------------------------
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/**
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*/
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Array<String>
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BXmlReader::GetAttrs() const
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{
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n_assert(this->IsOpen());
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Array<String> result;
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uint numAttrs = this->loaderUtil.GetNumAttrs();
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if (numAttrs > 0)
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{
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result.Reserve(numAttrs);
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uint i;
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for (i = 0; i < numAttrs; i++)
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{
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result.Append(String(this->loaderUtil.GetAttrName(i)));
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}
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}
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return result;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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String
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BXmlReader::GetString(const char* attr) const
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{
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n_assert(this->IsOpen());
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uint attrIndex = this->loaderUtil.FindAttrIndex(attr);
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if (BXmlLoaderUtil::InvalidAttrIndex == attrIndex)
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{
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SYS_EXCEPT(Exceptions::SerializeException,
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STRING_FORMAT("attribute '%s' doesn't exist on node '%s'!", attr, this->loaderUtil.GetCurrentNodeName()),
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GET_FUNCTION_NAME()
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);
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return "";
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}
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else
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{
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return String(this->loaderUtil.GetAttrValue(attrIndex));
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}
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}
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//------------------------------------------------------------------------------
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/**
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*/
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bool
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BXmlReader::GetBool(const char* attr) const
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{
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return this->GetString(attr).AsBool();
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}
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//------------------------------------------------------------------------------
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/**
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*/
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int
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BXmlReader::GetInt(const char* attr) const
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{
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return this->GetString(attr).AsInt();
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}
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//------------------------------------------------------------------------------
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/**
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*/
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float
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BXmlReader::GetFloat(const char* attr) const
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{
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return this->GetString(attr).AsFloat();
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}
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#if !__OSX__
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//------------------------------------------------------------------------------
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/**
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*/
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Math::float2
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BXmlReader::GetFloat2(const char* attr) const
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{
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return this->GetString(attr).AsFloat2();
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}
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//------------------------------------------------------------------------------
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/**
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*/
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Math::float4
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BXmlReader::GetFloat4(const char* attr) const
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{
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#if NEBULA3_XMLREADER_LEGACY_VECTORS
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const String& float4String = this->GetString(attr);
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Array<String> tokens = float4String.Tokenize(", \t");
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if (tokens.Size() == 3)
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{
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return float4(tokens[0].AsFloat(), tokens[1].AsFloat(), tokens[2].AsFloat(), 0);
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}
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#endif
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return this->GetString(attr).AsFloat4();
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}
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//------------------------------------------------------------------------------
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/**
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*/
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Math::matrix44
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BXmlReader::GetMatrix44(const char* attr) const
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{
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return this->GetString(attr).AsMatrix44();
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}
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#endif
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//------------------------------------------------------------------------------
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/**
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*/
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String
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BXmlReader::GetOptString(const char* attr, const String& defaultValue) const
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{
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if (this->HasAttr(attr))
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{
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return this->GetString(attr);
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}
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else
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{
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return defaultValue;
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}
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}
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//------------------------------------------------------------------------------
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/**
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*/
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bool
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BXmlReader::GetOptBool(const char* attr, bool defaultValue) const
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{
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if (this->HasAttr(attr))
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{
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return this->GetBool(attr);
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}
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else
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{
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return defaultValue;
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}
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}
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//------------------------------------------------------------------------------
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/**
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*/
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int
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BXmlReader::GetOptInt(const char* attr, int defaultValue) const
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{
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if (this->HasAttr(attr))
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{
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return this->GetInt(attr);
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}
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else
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{
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return defaultValue;
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}
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}
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//------------------------------------------------------------------------------
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/**
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*/
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float
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BXmlReader::GetOptFloat(const char* attr, float defaultValue) const
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{
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if (this->HasAttr(attr))
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{
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return this->GetFloat(attr);
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}
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else
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{
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return defaultValue;
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}
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}
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#if !__OSX__
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//------------------------------------------------------------------------------
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/**
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*/
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Math::float2
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BXmlReader::GetOptFloat2(const char* attr, const Math::float2& defaultValue) const
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{
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if (this->HasAttr(attr))
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{
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return this->GetFloat2(attr);
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}
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else
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{
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return defaultValue;
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}
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}
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//------------------------------------------------------------------------------
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/**
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*/
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Math::float4
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BXmlReader::GetOptFloat4(const char* attr, const Math::float4& defaultValue) const
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{
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if (this->HasAttr(attr))
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{
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return this->GetFloat4(attr);
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}
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else
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{
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return defaultValue;
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}
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}
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//------------------------------------------------------------------------------
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/**
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*/
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Math::matrix44
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BXmlReader::GetOptMatrix44(const char* attr, const Math::matrix44& defaultValue) const
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{
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if (this->HasAttr(attr))
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{
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return this->GetMatrix44(attr);
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}
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else
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{
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return defaultValue;
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}
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}
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#endif
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} // namespace IO
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