diff --git a/icu4c/source/samples/layout/Makefile.in b/icu4c/source/samples/layout/Makefile.in index 1a45f9673c..171571122c 100644 --- a/icu4c/source/samples/layout/Makefile.in +++ b/icu4c/source/samples/layout/Makefile.in @@ -23,7 +23,7 @@ CLEANFILES = *~ $(DEPS) TARGET = gnomelayout DEFS = @DEFS@ -CPPFLAGS = @CPPFLAGS@ `gnome-config --cflags gnomeui` -I$(top_builddir)/common -I$(top_srcdir)/common -I$(top_srcdir)/i18n -I$(top_srcdir)/layout -I$(top_srcdir) +CPPFLAGS = @CPPFLAGS@ `gnome-config --cflags gnomeui` -I$(top_builddir)/common -I$(top_srcdir)/common -I$(top_srcdir)/i18n -I$(top_srcdir)/layout -I$(top_srcdir)/extra/scrptrun -I$(top_srcdir) CFLAGS = @CFLAGS@ CXXFLAGS = @CXXFLAGS@ ENABLE_RPATH = @ENABLE_RPATH@ @@ -73,6 +73,19 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status cd $(top_builddir) \ && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status +# The following two rules make it possible to +# compile scrptrun.cpp from the extra/scrptrun directory. +# they were copied from the default rules in mh-linux which +# is probably OK because this sample will only run on Linux... +scrptrun.d: $(top_srcdir)/extra/scrptrun/scrptrun.cpp + @echo "Generating dependency information for $<" + @$(SHELL) -ec '$(GEN_DEPS.cc) $< \ + | sed '\''s%\($*\)\.o[ :]*%\1.o $@ : %g'\'' > $@; \ + [ -s $@ ] || rm -f $@' + +scrptrun.o: $(top_srcdir)/extra/scrptrun/scrptrun.cpp + $(COMPILE.cc) $(DYNAMICCPPFLAGS) $(DYNAMICCXXFLAGS) -o $@ $< + $(TARGET) : $(OBJECTS) $(LINK.cc) -o $@ $^ $(LIBS) diff --git a/icu4c/source/samples/layout/scrptrun.cpp b/icu4c/source/samples/layout/scrptrun.cpp deleted file mode 100644 index 8649e2134c..0000000000 --- a/icu4c/source/samples/layout/scrptrun.cpp +++ /dev/null @@ -1,200 +0,0 @@ -/* - ******************************************************************************* - * - * Copyright (C) 1999-2001, International Business Machines - * Corporation and others. All Rights Reserved. - * - ******************************************************************************* - * file name: scrptrun.cpp - * - * created on: 10/17/2001 - * created by: Eric R. Mader - */ - -#include "unicode/utypes.h" -#include "unicode/uscript.h" - -#include "scrptrun.h" - -#define ARRAY_SIZE(array) (sizeof array / sizeof array[0]) - -UChar32 ScriptRun::pairedChars[] = { - 0x0028, 0x0029, // ascii paired punctuation - 0x003c, 0x003e, - 0x005b, 0x005d, - 0x007b, 0x007d, - 0x00ab, 0x00bb, // guillemets - 0x2018, 0x2019, // general punctuation - 0x201c, 0x201d, - 0x2039, 0x203a, - 0x3008, 0x3009, // chinese paired punctuation - 0x300a, 0x300b, - 0x300c, 0x300d, - 0x300e, 0x300f, - 0x3010, 0x3011, - 0x3014, 0x3015, - 0x3016, 0x3017, - 0x3018, 0x3019, - 0x301a, 0x301b -}; - -const int32_t ScriptRun::pairedCharCount = ARRAY_SIZE(pairedChars); -const int32_t ScriptRun::pairedCharPower = 1 << highBit(pairedCharCount); -const int32_t ScriptRun::pairedCharExtra = pairedCharCount - pairedCharPower; - -int8_t ScriptRun::highBit(int32_t value) -{ - if (value <= 0) { - return -32; - } - - int8_t bit = 0; - - if (value >= 1 << 16) { - value >>= 16; - bit += 16; - } - - if (value >= 1 << 8) { - value >>= 8; - bit += 8; - } - - if (value >= 1 << 4) { - value >>= 4; - bit += 4; - } - - if (value >= 1 << 2) { - value >>= 2; - bit += 2; - } - - if (value >= 1 << 1) { - value >>= 1; - bit += 1; - } - - return bit; -} - -int32_t ScriptRun::getPairIndex(UChar32 ch) -{ - int32_t probe = pairedCharPower; - int32_t index = 0; - - if (ch >= pairedChars[pairedCharExtra]) { - index = pairedCharExtra; - } - - while (probe > (1 << 0)) { - probe >>= 1; - - if (ch >= pairedChars[index + probe]) { - index += probe; - } - } - - if (pairedChars[index] != ch) { - index = -1; - } - - return index; -} - -UBool ScriptRun::sameScript(int32_t scriptOne, int32_t scriptTwo) -{ - return scriptOne <= USCRIPT_INHERITED || scriptTwo <= USCRIPT_INHERITED || scriptOne == scriptTwo; -} - -UBool ScriptRun::next() -{ - int32_t startSP = parenSP; // used to find the first new open character - UErrorCode error = U_ZERO_ERROR; - - // if we've fallen off the end of the text, we're done - if (scriptEnd >= charLimit) { - return false; - } - - scriptCode = USCRIPT_COMMON; - - for (scriptStart = scriptEnd; scriptEnd < charLimit; scriptEnd += 1) { - UChar high = charArray[scriptEnd]; - UChar32 ch = high; - - // if the character is a high surrogate and it's not the last one - // in the text, see if it's followed by a low surrogate - if (high >= 0xD800 && high <= 0xDBFF && scriptEnd < charLimit - 1) - { - UChar low = charArray[scriptEnd + 1]; - - // if it is followed by a low surrogate, - // consume it and form the full character - if (low >= 0xDC00 && low <= 0xDFFF) { - ch = (high - 0xD800) * 0x0400 + low - 0xDC00 + 0x10000; - scriptEnd += 1; - } - } - - UScriptCode sc = uscript_getScript(ch, &error); - int32_t pairIndex = getPairIndex(ch); - - // Paired character handling: - // - // if it's an open character, push it onto the stack. - // if it's a close character, find the matching open on the - // stack, and use that script code. Any non-matching open - // characters above it on the stack will be poped. - if (pairIndex >= 0) { - if ((pairIndex & 1) == 0) { - parenStack[++parenSP].pairIndex = pairIndex; - parenStack[parenSP].scriptCode = scriptCode; - } else if (parenSP >= 0) { - int32_t pi = pairIndex & ~1; - - while (parenSP >= 0 && parenStack[parenSP].pairIndex != pi) { - parenSP -= 1; - } - - if (parenSP < startSP) { - startSP = parenSP; - } - - if (parenSP >= 0) { - sc = parenStack[parenSP].scriptCode; - } - } - } - - if (sameScript(scriptCode, sc)) { - if (scriptCode <= USCRIPT_INHERITED && sc > USCRIPT_INHERITED) { - scriptCode = sc; - - // now that we have a final script code, fix any open - // characters we pushed before we knew the script code. - while (startSP < parenSP) { - parenStack[++startSP].scriptCode = scriptCode; - } - } - - // if this character is a close paired character, - // pop it from the stack - if (pairIndex >= 0 && (pairIndex & 1) != 0 && parenSP >= 0) { - parenSP -= 1; - startSP -= 1; - } - } else { - // if the run broke on a surrogate pair, - // end it before the high surrogate - if (ch >= 0x10000) { - scriptEnd -= 1; - } - - break; - } - } - - return true; -} - diff --git a/icu4c/source/samples/layout/scrptrun.h b/icu4c/source/samples/layout/scrptrun.h deleted file mode 100644 index e2bfe42558..0000000000 --- a/icu4c/source/samples/layout/scrptrun.h +++ /dev/null @@ -1,134 +0,0 @@ -/* - ******************************************************************************* - * - * Copyright (C) 1999-2001, International Business Machines - * Corporation and others. All Rights Reserved. - * - ******************************************************************************* - * file name: scrptrun.h - * - * created on: 10/17/2001 - * created by: Eric R. Mader - */ - -#ifndef __SCRPTRUN_H -#define __SCRPTRUN_H - -#include "unicode/utypes.h" -#include "unicode/uscript.h" - -struct ScriptRecord -{ - UChar32 startChar; - UChar32 endChar; - UScriptCode scriptCode; -}; - -struct ParenStackEntry -{ - int32_t pairIndex; - UScriptCode scriptCode; -}; - -class ScriptRun -{ -public: - ScriptRun(); - - ScriptRun(const UChar chars[], int32_t length); - - ScriptRun(const UChar chars[], int32_t start, int32_t length); - - void reset(); - - void reset(int32_t start, int32_t count); - - void reset(const UChar chars[], int32_t start, int32_t length); - - int32_t getScriptStart(); - - int32_t getScriptEnd(); - - UScriptCode getScriptCode(); - - UBool next(); - -private: - - static UBool sameScript(int32_t scriptOne, int32_t scriptTwo); - - int32_t charStart; - int32_t charLimit; - const UChar *charArray; - - int32_t scriptStart; - int32_t scriptEnd; - UScriptCode scriptCode; - - ParenStackEntry parenStack[128]; - int32_t parenSP; - - static int8_t highBit(int32_t value); - static int32_t getPairIndex(UChar32 ch); - - static UChar32 pairedChars[]; - static const int32_t pairedCharCount; - static const int32_t pairedCharPower; - static const int32_t pairedCharExtra; -}; - -inline ScriptRun::ScriptRun() -{ - reset(NULL, 0, 0); -} - -inline ScriptRun::ScriptRun(const UChar chars[], int32_t length) -{ - reset(chars, 0, length); -} - -inline ScriptRun::ScriptRun(const UChar chars[], int32_t start, int32_t length) -{ - reset(chars, start, length); -} - -inline int32_t ScriptRun::getScriptStart() -{ - return scriptStart; -} - -inline int32_t ScriptRun::getScriptEnd() -{ - return scriptEnd; -} - -inline UScriptCode ScriptRun::getScriptCode() -{ - return scriptCode; -} - -inline void ScriptRun::reset() -{ - scriptStart = charStart; - scriptEnd = charStart; - scriptCode = USCRIPT_INVALID_CODE; - parenSP = -1; -} - -inline void ScriptRun::reset(int32_t start, int32_t length) -{ - charStart = start; - charLimit = start + length; - - reset(); -} - -inline void ScriptRun::reset(const UChar chars[], int32_t start, int32_t length) -{ - charArray = chars; - - reset(start, length); -} - - -#endif