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      1 /*
      2  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
      3  *
      4  * This is part of HarfBuzz, an OpenType Layout engine library.
      5  *
      6  * Permission is hereby granted, without written agreement and without
      7  * license or royalty fees, to use, copy, modify, and distribute this
      8  * software and its documentation for any purpose, provided that the
      9  * above copyright notice and the following two paragraphs appear in
     10  * all copies of this software.
     11  *
     12  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
     13  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
     14  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
     15  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
     16  * DAMAGE.
     17  *
     18  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
     19  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
     20  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
     21  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
     22  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
     23  */
     24 
     25 #include <harfbuzz-external.h>
     26 #include <Qt/private/qunicodetables_p.h>
     27 #include <QLibrary>
     28 #include <QTextCodec>
     29 
     30 extern "C" {
     31 
     32 HB_LineBreakClass HB_GetLineBreakClass(HB_UChar32 ch)
     33 {
     34 #if QT_VERSION >= 0x040300
     35     return (HB_LineBreakClass)QUnicodeTables::lineBreakClass(ch);
     36 #else
     37 #error "This test currently requires Qt >= 4.3"
     38 #endif
     39 }
     40 
     41 void HB_GetUnicodeCharProperties(HB_UChar32 ch, HB_CharCategory *category, int *combiningClass)
     42 {
     43     *category = (HB_CharCategory)QChar::category(ch);
     44     *combiningClass = QChar::combiningClass(ch);
     45 }
     46 
     47 HB_CharCategory HB_GetUnicodeCharCategory(HB_UChar32 ch)
     48 {
     49     return (HB_CharCategory)QChar::category(ch);
     50 }
     51 
     52 int HB_GetUnicodeCharCombiningClass(HB_UChar32 ch)
     53 {
     54     return QChar::combiningClass(ch);
     55 }
     56 
     57 HB_UChar16 HB_GetMirroredChar(HB_UChar16 ch)
     58 {
     59     return QChar::mirroredChar(ch);
     60 }
     61 
     62 HB_WordClass HB_GetWordClass(HB_UChar32 ch)
     63 {
     64     const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch);
     65     return (HB_WordClass) prop->wordBreak;
     66 }
     67 
     68 
     69 HB_SentenceClass HB_GetSentenceClass(HB_UChar32 ch)
     70 {
     71     const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch);
     72     return (HB_SentenceClass) prop->sentenceBreak;
     73 }
     74 
     75 void HB_GetGraphemeAndLineBreakClass(HB_UChar32 ch, HB_GraphemeClass *grapheme, HB_LineBreakClass *lineBreak)
     76 {
     77     const QUnicodeTables::Properties *prop = QUnicodeTables::properties(ch);
     78     *grapheme = (HB_GraphemeClass) prop->graphemeBreak;
     79     *lineBreak = (HB_LineBreakClass) prop->line_break_class;
     80 }
     81 
     82 void *HB_Library_Resolve(const char *library, const char *symbol)
     83 {
     84     return QLibrary::resolve(library, symbol);
     85 }
     86 
     87 void *HB_TextCodecForMib(int mib)
     88 {
     89     return QTextCodec::codecForMib(mib);
     90 }
     91 
     92 char *HB_TextCodec_ConvertFromUnicode(void *codec, const HB_UChar16 *unicode, hb_uint32 length, hb_uint32 *outputLength)
     93 {
     94     QByteArray data = reinterpret_cast<QTextCodec *>(codec)->fromUnicode((const QChar *)unicode, length);
     95     // ### suboptimal
     96     char *output = (char *)malloc(data.length() + 1);
     97     memcpy(output, data.constData(), data.length() + 1);
     98     if (outputLength)
     99         *outputLength = data.length();
    100     return output;
    101 }
    102 
    103 void HB_TextCodec_FreeResult(char *string)
    104 {
    105     free(string);
    106 }
    107 
    108 }
    109