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author | Bjoern Michaelsen <bjoern.michaelsen@canonical.com> | 2011-07-21 18:56:16 +0200 |
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committer | Bjoern Michaelsen <bjoern.michaelsen@canonical.com> | 2011-07-21 18:56:16 +0200 |
commit | a233dac0653f3f3054f7ad2da114ed989747e89a (patch) | |
tree | bf1e11438321c06125a94308649c496648061ccb /i18npool/source/breakiterator/breakiteratorImpl.cxx | |
parent | not link cairocanvas against stl anymore (diff) | |
parent | callcatcher: clean up Dir and DirEntry (diff) | |
download | core-a233dac0653f3f3054f7ad2da114ed989747e89a.tar.gz core-a233dac0653f3f3054f7ad2da114ed989747e89a.zip |
resyncing to master
Diffstat (limited to 'i18npool/source/breakiterator/breakiteratorImpl.cxx')
-rw-r--r-- | i18npool/source/breakiterator/breakiteratorImpl.cxx | 200 |
1 files changed, 144 insertions, 56 deletions
diff --git a/i18npool/source/breakiterator/breakiteratorImpl.cxx b/i18npool/source/breakiterator/breakiteratorImpl.cxx index 3cc974870c3d..e81bfff9452a 100644 --- a/i18npool/source/breakiterator/breakiteratorImpl.cxx +++ b/i18npool/source/breakiterator/breakiteratorImpl.cxx @@ -443,67 +443,155 @@ sal_Int16 SAL_CALL BreakIteratorImpl::getWordType( const OUString& /*Text*/, return 0; } -static sal_Int16 scriptTypes[] = { - ScriptType::WEAK, ScriptType::WEAK, ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::COMPLEX, - ScriptType::ASIAN, ScriptType::LATIN, ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX, - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::LATIN, ScriptType::LATIN, -// 15 - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::ASIAN, ScriptType::ASIAN, ScriptType::COMPLEX, - ScriptType::ASIAN, ScriptType::COMPLEX, ScriptType::ASIAN, ScriptType::COMPLEX, ScriptType::COMPLEX, - ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::LATIN, -// 30 - ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, - ScriptType::LATIN, ScriptType::ASIAN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, -// 45 - ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, - ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::LATIN, - ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, -// 60 - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX, - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::ASIAN, ScriptType::ASIAN, -// 75 - ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, - ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, -// 90 - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::WEAK, ScriptType::WEAK, ScriptType::COMPLEX, -// 105 - ScriptType::ASIAN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::ASIAN, -// 120 - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::WEAK, ScriptType::WEAK, - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, -// 135 - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, - ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, - ScriptType::COMPLEX, - ScriptType::WEAK}; - -#define scriptListCount SAL_N_ELEMENTS(scriptTypes) +namespace +{ + //See unicode/uscript.h + static sal_Int16 scriptTypes[] = + { + ScriptType::WEAK, ScriptType::WEAK, ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::COMPLEX, + ScriptType::ASIAN, ScriptType::LATIN, ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX, + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::LATIN, ScriptType::LATIN, + // 15 + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::ASIAN, ScriptType::ASIAN, ScriptType::COMPLEX, + ScriptType::ASIAN, ScriptType::COMPLEX, ScriptType::ASIAN, ScriptType::COMPLEX, ScriptType::COMPLEX, + ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::LATIN, + // 30 + ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + ScriptType::LATIN, ScriptType::ASIAN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + // 45 + ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, + ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::LATIN, + ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + // 60 + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX, + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::ASIAN, ScriptType::ASIAN, + // 75 + ScriptType::COMPLEX, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + ScriptType::LATIN, ScriptType::LATIN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + // 90 + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::WEAK, ScriptType::WEAK, ScriptType::COMPLEX, + // 105 + ScriptType::ASIAN, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::ASIAN, + // 120 + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::WEAK, ScriptType::WEAK, + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + // 135 + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, ScriptType::COMPLEX, + ScriptType::COMPLEX, + ScriptType::WEAK + }; + +# define scriptTypesCount SAL_N_ELEMENTS(scriptTypes) + + sal_Int16 getScriptClassByUAX24Script(sal_uInt32 currentChar) + { + sal_Int16 nRet; + int32_t script = u_getIntPropertyValue(currentChar, UCHAR_SCRIPT); + if (script < 0) + nRet = ScriptType::WEAK; + else if (static_cast<size_t>(script) >= SAL_N_ELEMENTS(scriptTypes)) + nRet = ScriptType::COMPLEX; // anything new is going to be pretty wild + else + nRet = scriptTypes[script]; + return nRet; + } + + struct UBlock2Script + { + UBlockCode from; + UBlockCode to; + sal_Int16 script; + }; + + static UBlock2Script scriptList[] = + { + {UBLOCK_NO_BLOCK, UBLOCK_NO_BLOCK, ScriptType::WEAK}, + {UBLOCK_BASIC_LATIN, UBLOCK_ARMENIAN, ScriptType::LATIN}, + {UBLOCK_HEBREW, UBLOCK_MYANMAR, ScriptType::COMPLEX}, + {UBLOCK_GEORGIAN, UBLOCK_GEORGIAN, ScriptType::LATIN}, + {UBLOCK_HANGUL_JAMO, UBLOCK_HANGUL_JAMO, ScriptType::ASIAN}, + {UBLOCK_ETHIOPIC, UBLOCK_ETHIOPIC, ScriptType::COMPLEX}, + {UBLOCK_CHEROKEE, UBLOCK_RUNIC, ScriptType::LATIN}, + {UBLOCK_KHMER, UBLOCK_MONGOLIAN, ScriptType::COMPLEX}, + {UBLOCK_LATIN_EXTENDED_ADDITIONAL, UBLOCK_GREEK_EXTENDED, ScriptType::LATIN}, + {UBLOCK_NUMBER_FORMS, UBLOCK_NUMBER_FORMS, ScriptType::WEAK}, + {UBLOCK_CJK_RADICALS_SUPPLEMENT, UBLOCK_HANGUL_SYLLABLES, ScriptType::ASIAN}, + {UBLOCK_CJK_COMPATIBILITY_IDEOGRAPHS, UBLOCK_CJK_COMPATIBILITY_IDEOGRAPHS, ScriptType::ASIAN}, + {UBLOCK_ARABIC_PRESENTATION_FORMS_A, UBLOCK_ARABIC_PRESENTATION_FORMS_A, ScriptType::COMPLEX}, + {UBLOCK_CJK_COMPATIBILITY_FORMS, UBLOCK_CJK_COMPATIBILITY_FORMS, ScriptType::ASIAN}, + {UBLOCK_ARABIC_PRESENTATION_FORMS_B, UBLOCK_ARABIC_PRESENTATION_FORMS_B, ScriptType::COMPLEX}, + {UBLOCK_HALFWIDTH_AND_FULLWIDTH_FORMS, UBLOCK_HALFWIDTH_AND_FULLWIDTH_FORMS, ScriptType::ASIAN}, + {UBLOCK_CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B, UBLOCK_CJK_COMPATIBILITY_IDEOGRAPHS_SUPPLEMENT, ScriptType::ASIAN}, + {UBLOCK_CJK_STROKES, UBLOCK_CJK_STROKES, ScriptType::ASIAN}, + {UBLOCK_LATIN_EXTENDED_C, UBLOCK_LATIN_EXTENDED_D, ScriptType::LATIN} + }; + + #define scriptListCount SAL_N_ELEMENTS(scriptList) + + //always sets rScriptType + // + //returns true for characters historically explicitly assigned to + //latin/weak/asian + // + //returns false for characters that historically implicitly assigned to + //weak as unknown + bool getCompatibilityScriptClassByBlock(sal_uInt32 currentChar, sal_Int16 &rScriptType) + { + bool bKnown = true; + //handle specific characters always as weak: + // 0x01 - this breaks a word + // 0x02 - this can be inside a word + // 0x20 & 0xA0 - Bug 102975, declare western space and non-break space as WEAK char. + if( 0x01 == currentChar || 0x02 == currentChar || 0x20 == currentChar || 0xA0 == currentChar) + rScriptType = ScriptType::WEAK; + // workaround for Coptic + else if ( 0x2C80 <= currentChar && 0x2CE3 >= currentChar) + rScriptType = ScriptType::LATIN; + else + { + UBlockCode block=ublock_getCode(currentChar); + size_t i = 0; + while (i < scriptListCount) + { + if (block <= scriptList[i].to) + break; + ++i; + } + if (i < scriptListCount && block >= scriptList[i].from) + rScriptType = scriptList[i].script; + else + { + rScriptType = ScriptType::WEAK; + bKnown = false; + } + } + return bKnown; + } +} sal_Int16 BreakIteratorImpl::getScriptClass(sal_uInt32 currentChar) { - static sal_uInt32 lastChar = 0; - static sal_Int16 nRet = 0; + static sal_uInt32 lastChar = 0; + static sal_Int16 nRet = 0; - if (currentChar != lastChar) { - lastChar = currentChar; + if (currentChar != lastChar) + { + lastChar = currentChar; - int32_t script = u_getIntPropertyValue(currentChar, UCHAR_SCRIPT); - if (script < 0) - nRet = ScriptType::WEAK; - else if (static_cast<size_t>(script) >= SAL_N_ELEMENTS(scriptTypes)) - nRet = ScriptType::COMPLEX; // anything new is going to be pretty wild - else - nRet = scriptTypes[script]; - } - return nRet; + if (!getCompatibilityScriptClassByBlock(currentChar, nRet)) + nRet = getScriptClassByUAX24Script(currentChar); + } + + return nRet; } static inline sal_Bool operator == (const Locale& l1, const Locale& l2) { |