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Diffstat (limited to 'l10ntools/inc/wtratree.hxx')
| -rw-r--r-- | l10ntools/inc/wtratree.hxx | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/l10ntools/inc/wtratree.hxx b/l10ntools/inc/wtratree.hxx new file mode 100644 index 000000000000..6fd33a7cb413 --- /dev/null +++ b/l10ntools/inc/wtratree.hxx @@ -0,0 +1,159 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + + +#ifndef TX3_WTRATREE_HXX +#define TX3_WTRATREE_HXX + +// USED + // Base Classes + // Components + // Parameters +#include <tools/string.hxx> + +const INT16 C_NR_OF_WTT_RESULTS = 5; +const INT16 C_NR_OF_POSSIBLE_CHARS = 256; + + +typedef unsigned char u_char; +typedef const char * constr; + + +class WTT_Node; + + +/** @task + This class implements the functionality, that class WordTransformer + offers. + WordTransformer is dependant of this class, but NOT the other way! +**/ +class WordTransTree +{ + public: + enum E_Result + { + OK = 0, + HOTKEY_LOST, + OUTPUT_OVERFLOW + }; + + + // LIFECYCLE + WordTransTree( + CharSet i_nWorkingCharSet = RTL_TEXTENCODING_MS_1252); + void SetCharSet( + CharSet i_nWorkingCharSet); + ~WordTransTree(); + + void AddWordPair( + const ByteString & i_sOldString, + const ByteString & i_sReplaceString ); + + // OPERATIONS + void InitTransformation( + const char * i_sInput, /// [!=0], a range of i_nInputLength must be valid memory for read. + UINT32 i_nInputLength, + UINT32 i_nOutputMaxLength = STRING_MAXLEN - 12 ); + E_Result TransformNextToken(); + + // INQUIRY + BOOL TextEndReached() const; + const char * Output() const; + + // These 3 functions are valid between two calls of + // TransformNextToken(): + E_Result CurResult() const; + ByteString CurReplacedString() const; + ByteString CurReplacingString() const; + char CurHotkey() const; + + private: + // SERVICE FUNCTONS + UINT8 CalculateBranch( + u_char i_cInputChar ) const; + + void Handle_Hotkey(); + void Handle_TokenToKeep(); + void Handle_TokenToTransform(); + + // DATA + // Fixed data + const u_char * sInput; + UINT32 nInputLength; + const u_char * pInputEnd; + + u_char * sOutput; // DYN + UINT32 nOutputMaxLength; + + WTT_Node * dpParsingTreeTop; // DYN + WTT_Node * pUnknownAlpha; + u_char cChar2Branch[C_NR_OF_POSSIBLE_CHARS]; + u_char c_AE, c_OE, c_UE, c_ae, c_oe, c_ue; + + // Working data + const u_char * pInputCurTokenStart; + const u_char * pInputPosition; + u_char * pOutputPosition; + WTT_Node * pCurParseNode; + + // Data which are valid only after a completed call to TransformNextToken() + E_Result eCurResult; + u_char cCurHotkey; // Letter wich is used as hotkey + u_char cCurHotkeySign; // Letter which is used to assign hotkey ('~'or '&') . +}; + + + + + + + +inline BOOL +WordTransTree::TextEndReached() const + { return pInputPosition == pInputEnd; } +inline const char * +WordTransTree::Output() const + { return TextEndReached() ? (constr) sOutput : ""; } +inline WordTransTree::E_Result +WordTransTree::CurResult() const + { return eCurResult; } +inline ByteString +WordTransTree::CurReplacedString() const + { return ByteString((constr) pInputCurTokenStart,pInputPosition-pInputCurTokenStart); } +inline char +WordTransTree::CurHotkey() const + { return cCurHotkey; } +inline UINT8 +WordTransTree::CalculateBranch(u_char i_cInputChar) const + { return cChar2Branch[i_cInputChar]; } + + + +#endif + + + |