| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #include "XalanUTF16Transcoder.hpp" |
| |
| #include <xalanc/Include/XalanMemMgrAutoPtr.hpp> |
| |
| |
| #include <cassert> |
| |
| |
| |
| XALAN_CPP_NAMESPACE_BEGIN |
| |
| |
| |
| XalanUTF16Transcoder::XalanUTF16Transcoder(MemoryManagerType& theManager) : |
| XalanOutputTranscoder(theManager) |
| { |
| } |
| |
| XalanUTF16Transcoder* |
| XalanUTF16Transcoder::create(MemoryManagerType& theManager) |
| { |
| typedef XalanUTF16Transcoder ThisType; |
| |
| XalanMemMgrAutoPtr<ThisType, false> theGuard( theManager , (ThisType*)theManager.allocate(sizeof(ThisType))); |
| |
| ThisType* theResult = theGuard.get(); |
| |
| new (theResult) ThisType(theManager); |
| |
| theGuard.release(); |
| |
| return theResult; |
| } |
| |
| |
| XalanUTF16Transcoder::~XalanUTF16Transcoder() |
| { |
| } |
| |
| |
| |
| XalanUTF16Transcoder::eCode |
| XalanUTF16Transcoder::transcode( |
| const XalanDOMChar* theSourceData, |
| size_type theSourceCount, |
| XalanXMLByte* theTarget, |
| size_type theTargetSize, |
| size_type& theSourceCharsTranscoded, |
| size_type& theTargetBytesUsed) |
| { |
| size_type theSourceEaten = 0; |
| size_type theTargetPosition = 0; |
| |
| while(theSourceEaten < theSourceCount) |
| { |
| // Swap bytes to big endian... |
| if (theTargetPosition + 1 >= theTargetSize) |
| { |
| break; |
| } |
| else |
| { |
| #if defined(XALAN_OLD_STYLE_CASTS) |
| *(XalanDOMChar*)(theTarget + theTargetPosition) = theSourceData[theSourceEaten++]; |
| #else |
| *reinterpret_cast<XalanDOMChar*>(theTarget + theTargetPosition) = theSourceData[theSourceEaten++]; |
| #endif |
| |
| theTargetPosition += 2; |
| } |
| } |
| |
| theSourceCharsTranscoded = theSourceEaten; |
| |
| theTargetBytesUsed = theTargetPosition; |
| |
| return XalanTranscodingServices::OK; |
| } |
| |
| |
| |
| XalanUTF16Transcoder::eCode |
| XalanUTF16Transcoder::transcode( |
| const XalanXMLByte* theSourceData, |
| size_type theSourceCount, |
| XalanDOMChar* theTarget, |
| size_type theTargetSize, |
| size_type& theSourceCharsTranscoded, |
| size_type& theTargetBytesUsed, |
| unsigned char* theCharSizes) |
| { |
| size_type theSourceEaten = 0; |
| size_type theTargetPosition = 0; |
| |
| while(theSourceEaten + 1 < theSourceCount) |
| { |
| // Swap bytes to big endian... |
| if (theTargetPosition + 1 >= theTargetSize) |
| { |
| break; |
| } |
| else |
| { |
| #if defined(XALAN_OLD_STYLE_CASTS) |
| theTarget[theTargetPosition++] = *(const XalanDOMChar*)(theSourceData + theSourceCount++); |
| #else |
| theTarget[theTargetPosition++] = *reinterpret_cast<const XalanDOMChar*>(theSourceData + theSourceCount++); |
| #endif |
| |
| *theCharSizes++ = 2; |
| } |
| } |
| |
| theSourceCharsTranscoded = theSourceEaten; |
| |
| theTargetBytesUsed = theTargetPosition; |
| |
| return XalanTranscodingServices::OK; |
| } |
| |
| |
| |
| bool |
| XalanUTF16Transcoder::canTranscodeTo(UnicodeCharType /* theChar */) const |
| { |
| return true; |
| } |
| |
| |
| |
| XALAN_CPP_NAMESPACE_END |