/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include #include #include "converter.hxx" #include "unichars.hxx" #include "convertisciidevangari.hxx" #include "convertsinglebytetobmpunicode.hxx" #include #include using namespace sal::detail::textenc; using namespace rtl::textenc; namespace { struct IsciiDevanagariToUnicode { sal_uInt8 m_cPrevChar; IsciiDevanagariToUnicode() : m_cPrevChar(0) { } void reset() { m_cPrevChar = 0; } sal_Size convert(char const* pSrcBuf, sal_Size nSrcBytes, sal_Unicode* pDestBuf, sal_Size nDestChars, sal_uInt32 nFlags, sal_uInt32* pInfo, sal_Size* pSrcCvtBytes); }; struct UnicodeToIsciiDevanagari { sal_Unicode m_cPrevChar; sal_Unicode m_cHighSurrogate; UnicodeToIsciiDevanagari() : m_cPrevChar(0) , m_cHighSurrogate(0) { } void reset() { m_cPrevChar = 0; m_cHighSurrogate = 0; } sal_Size convert(sal_Unicode const* pSrcBuf, sal_Size nSrcChars, char* pDestBuf, sal_Size nDestBytes, sal_uInt32 nFlags, sal_uInt32 * pInfo, sal_Size * pSrcCvtChars); }; } const sal_Unicode IsciiDevanagariMap[256] = { 0x0000,0x0001,0x0002,0x0003,0x0004,0x0005,0x0006,0x0007, 0x0008,0x0009,0x000A,0x000B,0x000C,0x000D,0x000E,0x000F, 0x0010,0x0011,0x0012,0x0013,0x0014,0x0015,0x0016,0x0017, 0x0018,0x0019,0x001A,0x001B,0x001C,0x001D,0x001E,0x001F, 0x0020,0x0021,0x0022,0x0023,0x0024,0x0025,0x0026,0x0027, 0x0028,0x0029,0x002A,0x002B,0x002C,0x002D,0x002E,0x002F, 0x0030,0x0031,0x0032,0x0033,0x0034,0x0035,0x0036,0x0037, 0x0038,0x0039,0x003A,0x003B,0x003C,0x003D,0x003E,0x003F, 0x0040,0x0041,0x0042,0x0043,0x0044,0x0045,0x0046,0x0047, 0x0048,0x0049,0x004A,0x004B,0x004C,0x004D,0x004E,0x004F, 0x0050,0x0051,0x0052,0x0053,0x0054,0x0055,0x0056,0x0057, 0x0058,0x0059,0x005A,0x005B,0x005C,0x005D,0x005E,0x005F, 0x0060,0x0061,0x0062,0x0063,0x0064,0x0065,0x0066,0x0067, 0x0068,0x0069,0x006A,0x006B,0x006C,0x006D,0x006E,0x006F, 0x0070,0x0071,0x0072,0x0073,0x0074,0x0075,0x0076,0x0077, 0x0078,0x0079,0x007A,0x007B,0x007C,0x007D,0x007E,0x007F, 0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF, 0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF, 0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF, 0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF, 0xFFFF,0x0901,0x0902,0x0903,0x0905,0x0906,0x0907,0x0908, 0x0909,0x090A,0x090B,0x090E,0x090F,0x0910,0x090D,0x0912, 0x0913,0x0914,0x0911,0x0915,0x0916,0x0917,0x0918,0x0919, 0x091A,0x091B,0x091C,0x091D,0x091E,0x091F,0x0920,0x0921, 0x0922,0x0923,0x0924,0x0925,0x0926,0x0927,0x0928,0x0929, 0x092A,0x092B,0x092C,0x092D,0x092E,0x092F,0x095F,0x0930, 0x0931,0x0932,0x0933,0x0934,0x0935,0x0936,0x0937,0x0938, 0x0939,0xFFFF,0x093E,0x093F,0x0940,0x0941,0x0942,0x0943, 0x0946,0x0947,0x0948,0x0945,0x094A,0x094B,0x094C,0x0949, 0x094D,0x093C,0x0964,0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF, 0xFFFF,0x0966,0x0967,0x0968,0x0969,0x096A,0x096B,0x096C, 0x096D,0x096E,0x096F,0xFFFF,0xFFFF,0xFFFF,0xFFFF,0xFFFF }; sal_Size IsciiDevanagariToUnicode::convert( char const* pSrcBuf, sal_Size nSrcBytes, sal_Unicode* pDestBuf, sal_Size nDestChars, sal_uInt32 nFlags, sal_uInt32* pInfo, sal_Size* pSrcCvtBytes) { sal_uInt32 nInfo = 0; sal_Size nConverted = 0; sal_Unicode* pDestBufPtr = pDestBuf; sal_Unicode* pDestBufEnd = pDestBuf + nDestChars; sal_Size startOfCurrentChar = 0; while (nConverted < nSrcBytes) { if (pDestBufPtr == pDestBufEnd) { nInfo |= RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL; break; } sal_Unicode cChar = sal_Unicode(); sal_uInt8 nIn = static_cast(pSrcBuf[nConverted]); sal_uInt8 nNext = nConverted < nSrcBytes + 1 ? static_cast(pSrcBuf[nConverted+1]) : 0; bool bNormal = true; bool bDouble = false; //halant + halant E8 E8 -> halant + ZWNJ 094D 200C //halant + nukta E8 E9 halant + ZWJ 094D 200D if (m_cPrevChar == 0xE8 && nIn == 0xE8) { cChar = 0x200C; bNormal = false; } else if (m_cPrevChar == 0xE8 && nIn == 0xE9) { cChar = 0x200D; bNormal = false; } else if (nNext == 0xE9) { bNormal = false; bDouble = true; switch(nIn) { case 0xA1: cChar = 0x0950; break; case 0xA6: cChar = 0x090C; break; case 0xA7: cChar = 0x0961; break; case 0xAA: cChar = 0x0960; break; case 0xB3: cChar = 0x0958; break; case 0xB4: cChar = 0x0959; break; case 0xB5: cChar = 0x095A; break; case 0xBA: cChar = 0x095B; break; case 0xBF: cChar = 0x095C; break; case 0xC0: cChar = 0x095D; break; case 0xC9: cChar = 0x095E; break; case 0xDB: cChar = 0x0962; break; case 0xDC: cChar = 0x0963; break; case 0xDF: cChar = 0x0944; break; case 0xEA: cChar = 0x093D; break; default: bNormal = true; bDouble = false; break; } } ++nConverted; if (bDouble) ++nConverted; if (bNormal) cChar = IsciiDevanagariMap[nIn]; bool bUndefined = cChar == 0xffff; if (bUndefined) { BadInputConversionAction eAction = handleBadInputTextToUnicodeConversion( bUndefined, true, 0, nFlags, &pDestBufPtr, pDestBufEnd, &nInfo); if (eAction == BAD_INPUT_CONTINUE) { startOfCurrentChar = nConverted; continue; } if (eAction == BAD_INPUT_STOP) { if ((nFlags & RTL_TEXTTOUNICODE_FLAGS_FLUSH) != 0) { nConverted = startOfCurrentChar; } break; } assert(eAction == BAD_INPUT_NO_OUTPUT); nInfo |= RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL; break; } *pDestBufPtr++ = cChar; m_cPrevChar = bNormal ? nIn : 0; startOfCurrentChar = nConverted; } if (pInfo) *pInfo = nInfo; if (pSrcCvtBytes) *pSrcCvtBytes = nConverted; return pDestBufPtr - pDestBuf; } BmpUnicodeToSingleByteRange const unicodeToISCIIEncoding[] = { { 0x0000, 0x007F - 0x0000, 0x00 }, { 0x0901, 0x0903 - 0x0901, 0xA1 }, { 0x0905, 0x090B - 0x0905, 0xA4 }, { 0x090D, 0x090D - 0x090D, 0xAE }, { 0x090E, 0x0910 - 0x090E, 0xAB }, { 0x0911, 0x0911 - 0x0911, 0xB2 }, { 0x0912, 0x0914 - 0x0912, 0xAF }, { 0x0915, 0x092F - 0x0915, 0xB3 }, { 0x0930, 0x0939 - 0x0930, 0xCF }, { 0x093C, 0x093C - 0x093C, 0xE9 }, { 0x093E, 0x0943 - 0x093E, 0xDA }, { 0x0945, 0x0945 - 0x0945, 0xE3 }, { 0x0946, 0x0948 - 0x0946, 0xE0 }, { 0x0949, 0x0949 - 0x0949, 0xE7 }, { 0x094A, 0x094C - 0x094A, 0xE4 }, { 0x094D, 0x094D - 0x094D, 0xE8 }, { 0x095F, 0x095F - 0x095F, 0xCE }, { 0x0964, 0x0964 - 0x0964, 0xEA }, { 0x0966, 0x096F - 0x0966, 0xF1 } }; sal_Size UnicodeToIsciiDevanagari::convert(sal_Unicode const* pSrcBuf, sal_Size nSrcChars, char* pDestBuf, sal_Size nDestBytes, sal_uInt32 nFlags, sal_uInt32 * pInfo, sal_Size* pSrcCvtChars) { size_t const entries = SAL_N_ELEMENTS(unicodeToISCIIEncoding); BmpUnicodeToSingleByteRange const * ranges = unicodeToISCIIEncoding; sal_Unicode cHighSurrogate = m_cHighSurrogate; sal_uInt32 nInfo = 0; sal_Size nConverted = 0; char* pDestBufPtr = pDestBuf; char* pDestBufEnd = pDestBuf + nDestBytes; for (; nConverted < nSrcChars; ++nConverted) { bool bUndefined = true; sal_uInt32 c = *pSrcBuf++; char cSpecialChar = 0; if (cHighSurrogate == 0) { if (ImplIsHighSurrogate(c)) { cHighSurrogate = static_cast< sal_Unicode >(c); continue; } else if (ImplIsLowSurrogate(c)) { bUndefined = false; goto bad_input; } } else if (ImplIsLowSurrogate(c)) { c = ImplCombineSurrogates(cHighSurrogate, c); } else { bUndefined = false; goto bad_input; } assert(rtl::isUnicodeScalarValue(c)); //halant + halant E8 E8 -> halant + ZWNJ 094D 200C //halant + nukta E8 E9 halant + ZWJ 094D 200D if (m_cPrevChar == 0x094D && c == 0x200C) cSpecialChar = '\xE8'; else if (m_cPrevChar == 0x094D && c == 0x200D) cSpecialChar = '\xE9'; if (cSpecialChar) { if (pDestBufEnd - pDestBufPtr < 1) { nInfo |= RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL; break; } *pDestBufPtr++ = cSpecialChar; m_cPrevChar = 0; goto done; } switch (c) { case 0x0950: cSpecialChar = '\xA1'; break; case 0x090C: cSpecialChar = '\xA6'; break; case 0x0961: cSpecialChar = '\xA7'; break; case 0x0960: cSpecialChar = '\xAA'; break; case 0x0958: cSpecialChar = '\xB3'; break; case 0x0959: cSpecialChar = '\xB4'; break; case 0x095A: cSpecialChar = '\xB5'; break; case 0x095B: cSpecialChar = '\xBA'; break; case 0x095C: cSpecialChar = '\xBF'; break; case 0x095D: cSpecialChar = '\xC0'; break; case 0x095E: cSpecialChar = '\xC9'; break; case 0x0962: cSpecialChar = '\xDB'; break; case 0x0963: cSpecialChar = '\xDC'; break; case 0x0944: cSpecialChar = '\xDF'; break; case 0x093D: cSpecialChar = '\xEA'; break; default: break; } if (cSpecialChar) { if (pDestBufEnd - pDestBufPtr < 2) { nInfo |= RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL; break; } *pDestBufPtr++ = cSpecialChar; *pDestBufPtr++ = '\xE9'; m_cPrevChar = 0; goto done; } // Linearly searching through the ranges if probably fastest, assuming // that most converted characters belong to the ASCII subset: for (size_t i = 0; i < entries; ++i) { if (c < ranges[i].unicode) { break; } if (c <= sal::static_int_cast< sal_uInt32 >( ranges[i].unicode + ranges[i].range)) { if (pDestBufEnd - pDestBufPtr < 1) { goto no_output; } *pDestBufPtr++ = static_cast< char >( ranges[i].byte + (c - ranges[i].unicode)); m_cPrevChar = c; goto done; } } goto bad_input; done: cHighSurrogate = 0; continue; bad_input: switch (sal::detail::textenc::handleBadInputUnicodeToTextConversion( bUndefined, c, nFlags, &pDestBufPtr, pDestBufEnd, &nInfo, nullptr, 0, nullptr)) { case sal::detail::textenc::BAD_INPUT_STOP: cHighSurrogate = 0; break; case sal::detail::textenc::BAD_INPUT_CONTINUE: cHighSurrogate = 0; continue; case sal::detail::textenc::BAD_INPUT_NO_OUTPUT: goto no_output; } break; no_output: --pSrcBuf; nInfo |= RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL; break; } if (cHighSurrogate != 0 && ((nInfo & (RTL_UNICODETOTEXT_INFO_ERROR | RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL)) == 0)) { if ((nFlags & RTL_UNICODETOTEXT_FLAGS_FLUSH) != 0) { nInfo |= RTL_UNICODETOTEXT_INFO_SRCBUFFERTOSMALL; } else { switch (sal::detail::textenc::handleBadInputUnicodeToTextConversion( false, 0, nFlags, &pDestBufPtr, pDestBufEnd, &nInfo, nullptr, 0, nullptr)) { case sal::detail::textenc::BAD_INPUT_STOP: case sal::detail::textenc::BAD_INPUT_CONTINUE: cHighSurrogate = 0; break; case sal::detail::textenc::BAD_INPUT_NO_OUTPUT: nInfo |= RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL; break; } } } m_cHighSurrogate = cHighSurrogate; if (pInfo) *pInfo = nInfo; if (pSrcCvtChars) *pSrcCvtChars = nConverted; return pDestBufPtr - pDestBuf; } sal_Size ImplConvertIsciiDevanagariToUnicode(void const*, void* pContext, char const* pSrcBuf, sal_Size nSrcBytes, sal_Unicode* pDestBuf, sal_Size nDestChars, sal_uInt32 nFlags, sal_uInt32* pInfo, sal_Size* pSrcCvtBytes) { IsciiDevanagariToUnicode *pCtx = static_cast(pContext); return pCtx->convert(pSrcBuf, nSrcBytes, pDestBuf, nDestChars, nFlags, pInfo, pSrcCvtBytes); } sal_Size ImplConvertUnicodeToIsciiDevanagari(void const*, void * pContext, sal_Unicode const * pSrcBuf, sal_Size nSrcChars, char * pDestBuf, sal_Size nDestBytes, sal_uInt32 nFlags, sal_uInt32 * pInfo, sal_Size * pSrcCvtChars) { UnicodeToIsciiDevanagari *pCtx = static_cast(pContext); return pCtx->convert(pSrcBuf, nSrcChars, pDestBuf, nDestBytes, nFlags, pInfo, pSrcCvtChars); } void *ImplCreateIsciiDevanagariToUnicodeContext() { return new IsciiDevanagariToUnicode; } void ImplDestroyIsciiDevanagariToUnicodeContext(void * pContext) { IsciiDevanagariToUnicode *pCtx = static_cast(pContext); delete pCtx; } void ImplResetIsciiDevanagariToUnicodeContext(void * pContext) { IsciiDevanagariToUnicode *pCtx = static_cast(pContext); pCtx->reset(); } void *ImplCreateUnicodeToIsciiDevanagariContext() { return new UnicodeToIsciiDevanagari; } void ImplResetUnicodeToIsciiDevanagariContext(void * pContext) { UnicodeToIsciiDevanagari *pCtx = static_cast(pContext); pCtx->reset(); } void ImplDestroyUnicodeToIsciiDevanagariContext(void * pContext) { UnicodeToIsciiDevanagari *pCtx = static_cast(pContext); delete pCtx; } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ nglayercore2 LibreOffice 核心代码仓库文档基金会
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path: root/vcl/source/gdi/impvect.cxx
AgeCommit message (Expand)Author
2015-09-22convert Link<> to typedNoel Grandin
2015-08-17Put Polygon from tools under tools:: namespaceNorbert Thiebaud
2015-06-17Replace boost::scoped_array<T> with std::unique_ptr<T[]>Takeshi Abe
2015-05-07convert BMP_VECTORIZE constants to scoped enumNoel Grandin
2015-04-30Gradually typed LinkStephan Bergmann
2015-04-10automated VclPtrInstance conversion.Michael Meeks
2015-04-10cure a lot of unfortunate ScopedVclPtrs.Michael Meeks
2015-04-10start wrapping OutputDevice in VclPtrNoel Grandin
2015-04-04callcatcher: update unusedcodeCaolán McNamara
2015-04-02loplugin:staticmethodsNoel Grandin
2015-04-01loplugin:staticfunctionNoel Grandin
2015-03-28Clean up C-style casts from pointers to voidStephan Bergmann
2015-02-16boost::foo_ptr->std::foo_ptrCaolán McNamara
2015-01-20Some more loplugin:cstylecast: vclStephan Bergmann
2015-01-19fdo#39440 vcl: reduce scope of local variablesMichael Weghorn
2015-01-09fdo#84938: convert POLY_OPTIMIZE_ #defines to 'enum class'Noel Grandin
2014-09-30fdo#82577: Handle PolyPolygonNoel Grandin
2014-09-29loplugin: cstylecastNoel Grandin
2014-04-08Clean up function declarations and some unused functionsStephan Bergmann
2014-04-02Kill superfluous vertical whitespaceTor Lillqvist
2014-03-19Avoid possible resource leaks by boost::scoped_arrayTakeshi Abe
2014-03-09Avoid possible resource leaks with boost::scoped_ptrTakeshi Abe
2014-02-21vcl: sal_Bool -> boolStephan Bergmann
2013-11-01Bin dead codeTor Lillqvist
2013-08-28Mark as constTakeshi Abe
2013-08-28sal_Bool to boolTakeshi Abe
2013-06-11sal_Bool to boolTakeshi Abe
2013-06-10mingw64: Don't cast to pointers from narrower integersFridrich Štrba
2013-04-20fdo#63154: Change Min/Max/Abs for std::min/max/absMarcos Paulo de Souza
2013-03-16Bin more pointless comments and ASCII graphicsTor Lillqvist
2012-12-10Replacing '__LOADONCALLAPI' with 'SAL_CALL' definitionChristos Strubulis
2012-11-06re-base on ALv2 code. Includes (at least) relevant parts of:Michael Meeks
2011-11-27remove include of pch header from vclNorbert Thiebaud
2011-05-10GDIMetaFile cleanup - Remove dependance on List classJoseph Powers
2011-03-18Merge remote-tracking branch 'origin/integration/dev300_m101'Jan Holesovsky
2011-03-11Merge commit 'ooo/DEV300_m101' into intm101Jan Holesovsky
2011-03-09cppcheck: this method can be constCaolán McNamara
2011-01-12removetooltypes01: Exchange misleading type sal_uIntPtr with sal_uLongCarsten Driesner
2010-10-14Add vim/emacs modelines to all source filesSebastian Spaeth
2010-10-05remove include guards using fixguard.pyPetr Mladek
2010-09-29removetooltypes: #i112600# some more changes in vcl and tools, reverted confi...Xiaofei Zhang