2 // Open Service Platform
3 // Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 // Licensed under the Apache License, Version 2.0 (the License);
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
9 // http://www.apache.org/licenses/LICENSE-2.0
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
19 * @file FText_EncoderImpl.cpp
20 * @brief This is the implementation file for _EncoderImpl class.
23 #include "FText_EncodingCore.h"
24 #include <FBaseSysLog.h>
25 #include "FText_EncoderImpl.h"
27 using namespace Tizen::Base;
28 using namespace Tizen::Base::Collection;
29 using namespace Tizen::Base::Utility;
31 namespace Tizen { namespace Text
34 _EncoderImpl::_EncoderImpl(void)
40 _EncoderImpl::~_EncoderImpl(void)
46 _EncoderImpl::GetEncoderN(const String& encodingType)
48 SysTryReturn(NID_TEXT, (encodingType == L"UTF-8"), null, E_INVALID_ARG,
49 "[%s] Invalid argument is used.encdoingType(%ls) is not UTF-8.Failed to open encoder.", GetErrorMessage(E_INVALID_ARG), encodingType.GetPointer());
51 std::unique_ptr<_EncoderImpl> pEncoderImpl( new (std::nothrow) _EncoderImpl);
52 SysTryReturn(NID_TEXT, pEncoderImpl, null, E_OUT_OF_MEMORY, "[%s] Memory allocation failed", GetErrorMessage(E_OUT_OF_MEMORY));
54 pEncoderImpl->__pEncoder.reset(_EncodingCore::GetEncodingCoreN(encodingType, L"WCHAR_T"));
56 result r = GetLastResult();
57 SysTryReturn(NID_TEXT, (pEncoderImpl->__pEncoder != null), null, r,
58 "[%s] Failed to open encoder.", GetErrorMessage(r));
60 pEncoderImpl->__encodingType = encodingType;
61 pEncoderImpl->_pEncoderImpl = pEncoderImpl.get();
63 SetLastResult(E_SUCCESS);
64 return pEncoderImpl.release();
68 _EncoderImpl::Encode(const wchar_t* pSrc, int srcLength, ByteBuffer*& pByteBuffer, int index, bool flush) const
70 SysAssertf(__pEncoder != null, "Not yet constructed! Construct() should be called before use.");
72 SysTryReturnResult(NID_TEXT, (pSrc != null), E_INVALID_ARG, "[%s] Invalid argument is used. pSrc can not be null.", GetErrorMessage(E_INVALID_ARG));
73 SysTryReturnResult(NID_TEXT, (srcLength >= 0), E_INVALID_ARG,
74 "[%s] Invalid argument is used. srcLength(%d) cannot be negative.", GetErrorMessage(E_INVALID_ARG), srcLength);
75 SysTryReturnResult(NID_TEXT, (index >= 0), E_INVALID_ARG,
76 "[%s] Invalid argument is used. index(%d) cannot be negative.", GetErrorMessage(E_INVALID_ARG), index);
81 bool isMemAllocReq = false;
83 std::unique_ptr<byte[]> pDst(__pEncoder->EncodeExN(pSrc, srcLength, retLength, flush));
85 SysTryReturnResult(NID_TEXT, (pDst != null), r, "[%s] Decoding failed", GetErrorMessage(r));
87 ByteBuffer* pOutBuffer = pByteBuffer;
90 if (pOutBuffer == null)
93 pOutBuffer = new (std::nothrow) ByteBuffer;
94 SysTryCatch(NID_TEXT, (pOutBuffer != null), ,
95 E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] Byte Buffer allocation failed");
97 r = pOutBuffer->Construct(retLength);
98 SysTryCatch(NID_TEXT, !IsFailed(r), , r, "[%s] Unable to Construct Byte buffer", GetErrorMessage(r));
100 pByteBuffer = pOutBuffer;
104 currPosition = pOutBuffer->GetPosition();
106 r = pOutBuffer->SetPosition(index);
107 SysTryCatch(NID_TEXT, (!IsFailed(r)), , r, "[%s] Unable to set Byte buffer position", GetErrorMessage(r));
111 r = pOutBuffer->SetArray(pDst.get(), 0, retLength);
112 SysTryCatch(NID_TEXT, (!IsFailed(r)), , r, "[%s] Unable to fill Byte buffer", GetErrorMessage(r));
114 r = pOutBuffer->SetPosition(currPosition);
115 SysTryCatch(NID_TEXT, (!IsFailed(r)), , r, "[%s] Unable to set Byte buffer position", GetErrorMessage(r));
130 _EncoderImpl::GetByteCount(const WcharBuffer& chars, int charIndex, int charCount, int& byteCount, bool flush) const
132 SysAssertf(__pEncoder != null, "Not yet constructed! Construct() should be called before use.");
135 int inBufSize = chars.GetLimit();
136 result r = CheckBufferInput(inBufSize, charIndex, charCount);
137 SysTryReturn(NID_TEXT, (!IsFailed(r)), r, r, "[%s] Input validation failed", GetErrorMessage(r));
139 return __pEncoder->GetByteCount((chars.GetPointer() + charIndex), charCount, byteCount);
143 _EncoderImpl::GetBytesN(const WcharBuffer& chars, bool flush) const
145 SysAssertf(__pEncoder != null, "Not yet constructed! Construct() should be called before use.");
147 ByteBuffer* pBuffer = null;
149 result r = GetBufferSize(chars, srcLength);
150 SysTryReturn(NID_TEXT, (!IsFailed(r)), null, r, "[%s] Input validation failed", GetErrorMessage(r));
152 r = Encode(chars.GetPointer(), srcLength, pBuffer, 0, flush);
159 _EncoderImpl::GetBytesN(const WcharBuffer& chars, int charIndex, int charCount, bool flush) const
161 SysAssertf(__pEncoder != null, "Not yet constructed! Construct() should be called before use.");
163 ByteBuffer* pBuffer = null;
164 int srcLength = chars.GetLimit();
165 result r = CheckBufferInput(srcLength, charIndex, charCount);
166 SysTryReturn(NID_TEXT, (!IsFailed(r)), null, r, "[%s] Input validation failed", GetErrorMessage(r));
168 r = Encode(chars.GetPointer() + charIndex, charCount, pBuffer, 0, flush);
175 _EncoderImpl::GetBufferSize(const WcharBuffer& chars, int& charBufSize) const
177 // It is assumed that user has set limit properly
178 charBufSize = chars.GetLimit();
180 // Adjusting byteBufSize if bytes has null char at the end
181 wchar_t lastChar = -1;
182 result r = chars.Get(charBufSize - 1, lastChar);
183 SysTryReturnResult(NID_TEXT, (!IsFailed(r)), E_INVALID_ARG, "[%s] Last byte check failed", GetErrorMessage(r));
185 if ((lastChar == '\0')and(charBufSize > 1))
189 SysTryReturnResult(NID_TEXT, (charBufSize > 0), E_INVALID_ARG,
190 "[%s] Invalid argument is used. charBufSize [%d] is invalid.", GetErrorMessage(E_INVALID_ARG), charBufSize);
196 _EncoderImpl::CheckBufferInput(int inBufSize, int inIndex, int inCount) const
198 SysTryReturnResult(NID_TEXT, (inIndex >= 0), E_INVALID_ARG,
199 "[%s] Invalid argument is used. inIndex(%d) cannot be negative.", GetErrorMessage(E_INVALID_ARG), inIndex);
200 SysTryReturnResult(NID_TEXT, (inCount >= 0), E_INVALID_ARG,
201 "[%s] Invalid argument is used. inCount(%d) cannot be negative.", GetErrorMessage(E_INVALID_ARG), inCount);
202 SysTryReturnResult(NID_TEXT, (inBufSize > 0), E_INVALID_ARG,
203 "[%s] Invalid argument is used. inBufSize(%d) cannot be negative.", GetErrorMessage(E_INVALID_ARG), inBufSize);
205 SysTryReturnResult(NID_TEXT, (inBufSize > inIndex), E_OUT_OF_RANGE,
206 "[%s] inIndex(%d) is outside the valid range.", GetErrorMessage(E_OUT_OF_RANGE), inIndex);
207 SysTryReturnResult(NID_TEXT, (inBufSize >= inCount), E_OUT_OF_RANGE,
208 "[%s] inCount(%d) is outside the valid range.", GetErrorMessage(E_OUT_OF_RANGE), inCount);
209 SysTryReturnResult(NID_TEXT, (inBufSize >= (inIndex + inCount)), E_UNDERFLOW,
210 "[%s] sum of the length of the inIndex(%d) and inCount(%d) is greater than inBufSize(%d).",
211 GetErrorMessage(E_UNDERFLOW), inIndex, inCount, inBufSize);