LCOV - code coverage report
Current view: top level - i18npool/source/breakiterator - breakiterator_th.cxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 45 0.0 %
Date: 2014-04-14 Functions: 0 6 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <breakiterator_th.hxx>
      21             : #include <wtt.h>
      22             : 
      23             : #include <string.h>
      24             : 
      25             : using namespace ::com::sun::star::uno;
      26             : using namespace ::com::sun::star::lang;
      27             : using namespace ::rtl;
      28             : 
      29             : namespace com { namespace sun { namespace star { namespace i18n {
      30             : 
      31             : 
      32             : //  class Breakiterator_th
      33             : //  ----------------------------------------------------;
      34           0 : BreakIterator_th::BreakIterator_th()
      35             : {
      36           0 :     cBreakIterator = "com.sun.star.i18n.BreakIterator_th";
      37           0 :     wordRule=lineRule=NULL;
      38           0 : }
      39             : 
      40           0 : BreakIterator_th::~BreakIterator_th()
      41             : {
      42           0 : }
      43             : 
      44             : #define SARA_AM 0x0E33
      45             : 
      46             : /*
      47             :  * cell composition states
      48             :  */
      49             : 
      50             : #define ST_COM  1   // Compose the following character with leading char and display in the same cell
      51             : #define ST_NXT  2   // display the following character in the next cell
      52             : #define ST_NDP  3   // non-display
      53             : 
      54             : static const sal_Int16 thaiCompRel[MAX_CT][MAX_CT] = {
      55             :     //  C  N  C  L  F  F  F  B  B  B  T  A  A  A  A  A  A
      56             :     //  T  O  O  V  V  V  V  V  V  D  O  D  D  D  V  V  V
      57             :     //  R  N  N     1  2  3  1  2     N  1  2  3  1  2  3
      58             :     //  L     S                       E
      59             :     //  0  1  2  3  4  5  6  7  8  9  10 11 12 13 14 15 16
      60             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // CTRL 0
      61             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // NON  1
      62             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_COM, ST_COM, ST_COM, ST_COM, ST_COM, ST_COM, ST_COM, ST_COM, ST_COM, ST_COM   }, // CONS 2
      63             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // LV   3
      64             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // FV1  4
      65             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // FV2  5
      66             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // FV3  6
      67             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_COM, ST_COM, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // BV1  7
      68             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_COM, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // BV2  8
      69             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // BD   9
      70             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // TONE 10
      71             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // AD1  11
      72             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // AD2  12
      73             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // AD3  13
      74             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_COM, ST_COM, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // AV1  14
      75             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_COM, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT   }, // AV2  15
      76             :     {   ST_NDP, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_NXT, ST_COM, ST_NXT, ST_COM, ST_NXT, ST_NXT, ST_NXT, ST_NXT   } // AV3  16
      77             : 
      78             : };
      79             : 
      80             : const sal_uInt32 is_ST_COM = (1<<CT_CTRL)|(1<<CT_NON)|(1<<CT_CONS)|(1<<CT_TONE);
      81             : 
      82           0 : static sal_uInt16 SAL_CALL getCombState(const sal_Unicode *text, sal_Int32 pos)
      83             : {
      84           0 :     sal_uInt16 ch1 = getCharType(text[pos]);
      85           0 :     sal_uInt16 ch2 = getCharType(text[pos+1]);
      86             : 
      87           0 :     if (text[pos+1] == SARA_AM) {
      88           0 :         if ((1 << ch1) & is_ST_COM)
      89           0 :             return  ST_COM;
      90             :         else
      91           0 :             ch2 = CT_AD1;
      92             :     }
      93             : 
      94           0 :     return thaiCompRel[ch1][ch2];
      95             : }
      96             : 
      97             : 
      98           0 : static sal_Int32 SAL_CALL getACell(const sal_Unicode *text, sal_Int32 pos, sal_Int32 len)
      99             : {
     100           0 :     sal_uInt32 curr = 1;
     101           0 :     for (; pos + 1 < len && getCombState(text, pos) == ST_COM; curr++, pos++) {}
     102           0 :     return curr;
     103             : }
     104             : 
     105             : #define is_Thai(c)  (0x0e00 <= c && c <= 0x0e7f) // Unicode definition for Thai
     106             : 
     107           0 : void SAL_CALL BreakIterator_th::makeIndex(const OUString& Text, sal_Int32 nStartPos)
     108             :     throw(RuntimeException)
     109             : {
     110           0 :     if (Text != cachedText) {
     111           0 :         cachedText = Text;
     112           0 :         if (cellIndexSize < cachedText.getLength()) {
     113           0 :             cellIndexSize = cachedText.getLength();
     114           0 :             free(nextCellIndex);
     115           0 :             free(previousCellIndex);
     116           0 :             nextCellIndex = (sal_Int32*) calloc(cellIndexSize, sizeof(sal_Int32));
     117           0 :             previousCellIndex = (sal_Int32*) calloc(cellIndexSize, sizeof(sal_Int32));
     118             :         }
     119             :         // reset nextCell for new Text
     120           0 :         memset(nextCellIndex, 0, cellIndexSize * sizeof(sal_Int32));
     121             :     }
     122           0 :     else if (nStartPos >= Text.getLength() || nextCellIndex[nStartPos] > 0
     123           0 :              || !is_Thai(Text[nStartPos]))
     124           0 :         return;
     125             : 
     126           0 :     const sal_Unicode* str = cachedText.getStr();
     127           0 :     sal_Int32 len = cachedText.getLength(), startPos, endPos;
     128             : 
     129           0 :     startPos = nStartPos;
     130           0 :     while (startPos > 0 && is_Thai(str[startPos-1])) startPos--;
     131           0 :     endPos = nStartPos+1;
     132           0 :     while (endPos < len && is_Thai(str[endPos])) endPos++;
     133             : 
     134             :     sal_Int32 start, end, pos;
     135           0 :     pos = start = end = startPos;
     136             : 
     137           0 :     while (pos < endPos) {
     138           0 :         end += getACell(str, start, endPos);
     139           0 :         while (pos < end) {
     140           0 :             nextCellIndex[pos] = end;
     141           0 :             previousCellIndex[pos] = start;
     142           0 :             pos++;
     143             :         }
     144           0 :         start = end;
     145             :     }
     146             : }
     147             : 
     148             : } } } }
     149             : 
     150             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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