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Diffstat (limited to 'src/plugins/lipi-toolkit/3rdparty/lipi-toolkit/src/util/lib/LTKStrEncoding.cpp')
| -rw-r--r-- | src/plugins/lipi-toolkit/3rdparty/lipi-toolkit/src/util/lib/LTKStrEncoding.cpp | 401 |
1 files changed, 401 insertions, 0 deletions
diff --git a/src/plugins/lipi-toolkit/3rdparty/lipi-toolkit/src/util/lib/LTKStrEncoding.cpp b/src/plugins/lipi-toolkit/3rdparty/lipi-toolkit/src/util/lib/LTKStrEncoding.cpp new file mode 100644 index 00000000..3d27249e --- /dev/null +++ b/src/plugins/lipi-toolkit/3rdparty/lipi-toolkit/src/util/lib/LTKStrEncoding.cpp @@ -0,0 +1,401 @@ +/***************************************************************************************** +* Copyright (c) 2007 Hewlett-Packard Development Company, L.P. +* Permission is hereby granted, free of charge, to any person obtaining a copy of +* this software and associated documentation files (the "Software"), to deal in +* the Software without restriction, including without limitation the rights to use, +* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the +* Software, and to permit persons to whom the Software is furnished to do so, +* subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, +* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A +* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF +* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE +* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*****************************************************************************************/ + +/************************************************************************ + * SVN MACROS + * + * $LastChangedDate: 2011-02-08 11:00:11 +0530 (Tue, 08 Feb 2011) $ + * $Revision: 832 $ + * $Author: dineshm $ + * + ************************************************************************/ + +#include "LTKStrEncoding.h" +#include "LTKMacros.h" +#include "LTKLoggerUtil.h" + +/************************************************************************ + * FILE DESCR: Implementation of LTKInkUtils that computes the statistics + * of a trace group + * + * CONTENTS: + * shapeStrToUnicode + * tamilShapeStrToUnicode + * + * AUTHOR: Deepu V. + * + * DATE: September 8, 2005 + * CHANGE HISTORY: + * Author Date Description of change + ************************************************************************/ + + +/********************************************************************************** +* AUTHOR : Deepu V. +* DATE : 08-SEP-2005 +* NAME : LTKStrEncoding +* DESCRIPTION : Initialization constructor +* ARGUMENTS : +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ + +LTKStrEncoding::LTKStrEncoding() +{ + +} + +/********************************************************************************** +* AUTHOR : Deepu V. +* DATE : 08-SEP-2005 +* NAME : shapeStrToUnicode +* DESCRIPTION : Do the mapping from shaperecognition ID to Unicode string +* ARGUMENTS : shapeRecProjectName - Shape Recognition Project name +* : shapeIDs - The shape recognizer output IDs +* : unicodeString - output unicode string +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +int LTKStrEncoding::shapeStrToUnicode(const string shapeRecProjectName, const vector<unsigned short>&shapeIDs, vector<unsigned short>& unicodeString) +{ + LOG( LTKLogger::LTK_LOGLEVEL_DEBUG) << + " Entering: LTKStrEncoding::shapeStrToUnicode()" << endl; + + + /*if(shapeRecProjectName.empty()) + { + LOG(LTKLogger::LTK_LOGLEVEL_ERR) + <<"Error : "<< EMAP_NOT_FOUND <<":"<< getErrorMessage(EMAP_NOT_FOUND) + <<"LTKStrEncoding::shapeStrToUnicode()" <<endl; + + LTKReturnError(EMAP_NOT_FOUND); + }*/ + + if(shapeRecProjectName == "tamil_iso_char") + { + return (tamilShapeStrToUnicode(shapeIDs,unicodeString)); + } + else + { + return (numShapeStrToUnicode(shapeIDs,unicodeString)); + } + + //uncomment following if you need to implement mappings for + //additional shape rec projects + //else if (shapeRecProjectName == <YOUR PROJECT NAME>) + //{ + // //Implement the logic here + //} + + + LOG( LTKLogger::LTK_LOGLEVEL_DEBUG) << + " Exiting: LTKStrEncoding::shapeStrToUnicode()" << endl; +} + +/********************************************************************************** +* AUTHOR : Deepu V. +* DATE : 08-SEP-2005 +* NAME : numShapeStrToUnicode +* DESCRIPTION : Do the mapping from shaperecognition ID +* : to Unicode string for numerals project +* ARGUMENTS : shapeIDs - The shape recognizer output IDs +* : unicodeString - output unicode string +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ + +int LTKStrEncoding::numShapeStrToUnicode(const vector<unsigned short>& shapeIDs, vector<unsigned short>& unicodeString) +{ + LOG( LTKLogger::LTK_LOGLEVEL_DEBUG) << + " Entering: LTKStrEncoding::numShapeStrToUnicode()" << endl; + + vector<unsigned short>::const_iterator shapeIDsIter, shapeIDsEnd; + + //iterating through the shape IDs + shapeIDsEnd = shapeIDs.end(); + for(shapeIDsIter = shapeIDs.begin();shapeIDsIter != shapeIDsEnd;++shapeIDsIter) + { + if(*shapeIDsIter == SHRT_MAX ) + unicodeString.push_back(L' '); + else + unicodeString.push_back((L'0')+ (*shapeIDsIter) ); + } + + LOG( LTKLogger::LTK_LOGLEVEL_DEBUG) << + " Exiting: LTKStrEncoding::numShapeStrToUnicode()" << endl; + + return SUCCESS; +} + +/********************************************************************************** +* AUTHOR : Deepu V. +* DATE : 08-SEP-2005 +* NAME : tamilShapeStrToUnicode +* DESCRIPTION : Do the mapping from shaperecognition ID +* : to Unicode string for tamil_iso_char project +* ARGUMENTS : shapeIDs - The shape recognizer output IDs +* : unicodeString - output unicode string +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ + +int LTKStrEncoding::tamilShapeStrToUnicode(const vector<unsigned short>& shapeIDs, vector<unsigned short>& unicodeString) +{ + int errorCode; + LOG( LTKLogger::LTK_LOGLEVEL_DEBUG) << + " Entering: LTKStrEncoding::tamilShapeStrToUnicode()" << endl; + + vector<unsigned short>::const_iterator shapeIDsIter, shapeIDsEnd; + int charIndex; //index variable for unicode string + unsigned short currentChar; //unicode representation of the character + bool matraFlag; //indicates whether a matra is following the current character + + //iterating through the shape IDs + shapeIDsEnd = shapeIDs.end(); + for(shapeIDsIter = shapeIDs.begin();shapeIDsIter != shapeIDsEnd;++shapeIDsIter) + { + if(*shapeIDsIter == SHRT_MAX ) + unicodeString.push_back(L' '); + else if(*shapeIDsIter < 35) + { + if((errorCode = tamilCharToUnicode(*shapeIDsIter,unicodeString)) != SUCCESS) + { + return errorCode; + } + } + else if (*shapeIDsIter < 58 ) + { + if((errorCode = tamilCharToUnicode((*shapeIDsIter-23),unicodeString)) != SUCCESS) + { + return errorCode; + } + unicodeString.push_back(0x0bbf); //i mAtra + } + else if (*shapeIDsIter < 81 ) + { + if((errorCode = tamilCharToUnicode((*shapeIDsIter-46),unicodeString)) != SUCCESS) + { + return errorCode; + } + unicodeString.push_back(0x0bc0); //ii mAtra + } + else if (*shapeIDsIter < 99 ) + { + if((errorCode = tamilCharToUnicode((*shapeIDsIter-69),unicodeString)) != SUCCESS) + { + return errorCode; + } + unicodeString.push_back(0x0bc1); //u mAtra + } + else if (*shapeIDsIter < 117 ) + { + if((errorCode = tamilCharToUnicode((*shapeIDsIter-87),unicodeString)) != SUCCESS) + unicodeString.push_back(0x0bc2); //uu mAtra + } + else if (*shapeIDsIter < 118 ) + { + unicodeString.push_back(0x0bbe); //aa mAtra + } + else if (*shapeIDsIter < 119 ) + { + unicodeString.push_back(0x0bc6); //e mAtra + } + else if (*shapeIDsIter < 120 ) + { + unicodeString.push_back(0x0bc7); //E mAtra + } + else if (*shapeIDsIter < 121 ) + { + unicodeString.push_back(0x0bc8); //ai mAtra + } + else if(*shapeIDsIter < 122 ) + { + //letter shri + unicodeString.push_back(0x0bb8);//ss + unicodeString.push_back(0x0bcd);//halant + unicodeString.push_back(0x0bb0);//r + unicodeString.push_back(0x0bc0);//ii + } + else if(*shapeIDsIter < 127 ) + { + if((errorCode = tamilCharToUnicode((*shapeIDsIter-92),unicodeString)) != SUCCESS) + { + return errorCode; + } + unicodeString.push_back(0x0bc1); //u mAtra + } + else if(*shapeIDsIter < 132 ) + { + if((errorCode = tamilCharToUnicode((*shapeIDsIter-97),unicodeString)) != SUCCESS) + { + return errorCode; + } + unicodeString.push_back(0x0bc2); //u mAtra + } + else if(*shapeIDsIter < 155 ) + { + if((errorCode = tamilCharToUnicode((*shapeIDsIter-120),unicodeString)) != SUCCESS) + { + return errorCode; + } + unicodeString.push_back(0x0bcd); //halant + } + else if (*shapeIDsIter < 156 ) + { + unicodeString.push_back(0x0b94); + } + else + { + LOG(LTKLogger::LTK_LOGLEVEL_ERR) + <<"Error : "<< EINVALID_SHAPEID <<":"<< getErrorMessage(EINVALID_SHAPEID) + <<"LTKStrEncoding::tamilShapeStrToUnicode()" <<endl; + + LTKReturnError(EINVALID_SHAPEID); + } + } + + //Applying rules for e, E , ai, o, O, and au matras + charIndex = 0; + while( charIndex < unicodeString.size() ) + { + currentChar = unicodeString[charIndex]; + switch(currentChar) + { + case 0x0bc6://e + case 0x0bc7://E + case 0x0bc8://ai + if( (charIndex +1) < unicodeString.size() ) + { + unicodeString[charIndex] = unicodeString[charIndex+1]; + unicodeString[charIndex+1] = currentChar; + charIndex += 2; + } + else + { + ++charIndex; + } + break; + case 0x0bbe: //check for `o' or `O' + if(charIndex>0)//within string bounds + { + if(unicodeString[charIndex-1] == 0x0bc6 ) + { + unicodeString[charIndex-1] = 0x0bca; + unicodeString.erase(unicodeString.begin()+charIndex); + } + else if(unicodeString[charIndex-1] == 0x0bc7 ) + { + unicodeString[charIndex-1] = 0x0bcb; + unicodeString.erase(unicodeString.begin()+charIndex); + } + else + { + ++charIndex; + } + } + else + { + ++charIndex; + } + break; + case 0x0bb3: //check for au + matraFlag = (charIndex+1<unicodeString.size() && (unicodeString[charIndex+1] > 0x0bbd && unicodeString[charIndex+1] < 0x0bc3 ) ); + + //if la is not follwed by a matra and is preceded by an e matra it is an au matra + if((charIndex >0)&&(unicodeString[charIndex-1] == 0x0bc6) && (!matraFlag)) + { + unicodeString[charIndex-1] = 0x0bcc; + unicodeString.erase(unicodeString.begin()+charIndex); + } + else + { + ++charIndex; + } + break; + default: + ++charIndex; + + } + + } + + LOG( LTKLogger::LTK_LOGLEVEL_DEBUG) << + " Exiting: LTKStrEncoding::tamilShapeStrToUnicode()" << endl; + + return SUCCESS; +} + +int LTKStrEncoding::tamilCharToUnicode(const unsigned short& shapeID, vector<unsigned short>& unicodeString) +{ + + LOG( LTKLogger::LTK_LOGLEVEL_DEBUG) << + " Entering: LTKStrEncoding::tamilCharToUnicode()" << endl; + + + if(shapeID < 35) + { + if(shapeID == 34) + { + unicodeString.push_back(0x0b95); + unicodeString.push_back(0x0bcd); + unicodeString.push_back(0x0bb7); + } + else + { + unicodeString.push_back(tamilIsoCharMap[shapeID]); + } + } + else + { + LOG(LTKLogger::LTK_LOGLEVEL_ERR) + <<"Error : "<< EINVALID_SHAPEID <<":"<< getErrorMessage(EINVALID_SHAPEID) + <<"LTKStrEncoding::tamilCharToUnicode()" <<endl; + + LTKReturnError(EINVALID_SHAPEID); + } + LOG( LTKLogger::LTK_LOGLEVEL_DEBUG) << + " Exiting: LTKStrEncoding::tamilCharToUnicode()" << endl; + + return SUCCESS; +} + + +/********************************************************************************** +* AUTHOR : Deepu V. +* DATE : 08-SEP-2005 +* NAME : ~LTKStrEncoding +* DESCRIPTION : destructor +* ARGUMENTS : +* RETURNS : +* NOTES : +* CHANGE HISTROY +* Author Date Description of change +*************************************************************************************/ +LTKStrEncoding::~LTKStrEncoding() +{ + +} |