377 lines
12 KiB
C
377 lines
12 KiB
C
/*
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**********************************************************************
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* Copyright (C) 1997-2001, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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*
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* File USCRIPT.C
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*
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* Modification History:
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*
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* Date Name Description
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* 07/06/2001 Ram Creation.
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******************************************************************************
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*/
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#include "unicode/uscript.h"
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#include "unicode/ures.h"
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#include "cstring.h"
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#define USCRIPT_CODE_ARRAY_SIZE 440
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static const char kLocaleScript[] = "LocaleScript";
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static const char * const scriptNames[]={
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"ARABIC", /* USCRIPT_ARABIC */
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"ARMENIAN", /* USCRIPT_ARMENIAN */
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"BENGALI", /* USCRIPT_BENGALI */
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"BOPOMOFO", /* USCRIPT_BOPOMOFO */
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"CANADIAN-ABORIGINAL", /* USCRIPT_UCAS */
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"CHEROKEE", /* USCRIPT_CHEROKEE */
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"COMMON", /* USCRIPT_COMMON */
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"CYRILLIC", /* USCRIPT_CYRILLIC */
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"DESERET", /* USCRIPT_DESERET */
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"DEVANAGARI", /* USCRIPT_DEVANAGARI */
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"ETHIOPIC", /* USCRIPT_ETHIOPIC */
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"GEORGIAN", /* USCRIPT_GEORGIAN */
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"GOTHIC", /* USCRIPT_GOTHIC */
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"GREEK", /* USCRIPT_GREEK */
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"GUJARATI", /* USCRIPT_GUJARATI */
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"GURMUKHI", /* USCRIPT_GURMUKHI */
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"HAN", /* USCRIPT_HAN */
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"HANGUL", /* USCRIPT_HANGUL */
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"HEBREW", /* USCRIPT_HEBREW */
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"HIRAGANA", /* USCRIPT_HIRAGANA */
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"INHERITED", /* USCRIPT_INHERITED */
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"KANNADA", /* USCRIPT_KANNADA */
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"KATAKANA", /* USCRIPT_KATAKANA */
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"KHMER", /* USCRIPT_KHMER */
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"LATIN", /* USCRIPT_LATIN */
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"MALAYALAM", /* USCRIPT_MALAYALAM */
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"MONGOLIAN", /* USCRIPT_MONGOLIAN */
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"MYANMAR", /* USCRIPT_MYANMAR */
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"OGHAM", /* USCRIPT_OGHAM */
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"OLD-ITALIC", /* USCRIPT_OLD_ITALIC */
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"ORIYA", /* USCRIPT_ORIYA */
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"RUNIC", /* USCRIPT_RUNIC */
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"SINHALA", /* USCRIPT_SINHALA */
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"SYRIAC", /* USCRIPT_SYRIAC */
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"TAMIL", /* USCRIPT_TAMIL */
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"TELUGU", /* USCRIPT_TELUGU */
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"THAANA", /* USCRIPT_THANA */
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"THAI", /* USCRIPT_THAI */
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"TIBETAN", /* USCRIPT_TIBETAN */
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"UCAS", /* USCRIPT_UCAS */
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"YI" /* USCRIPT_YI */
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};
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static const char * const scriptAbbr[]= {
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"Arab", /* USCRIPT_ARABIC */
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"Armn", /* USCRIPT_ARMENIAN */
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"Beng", /* USCRIPT_BENGALI */
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"Bopo", /* USCRIPT_BOPOMOFO */
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"Cans", /* USCRIPT_UCAS */
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"Cher", /* USCRIPT_CHEROKEE */
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"Cyrl", /* USCRIPT_CYRILLIC */
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/* "Cyrs", */ /* USCRIPT_CYRILLIC */
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"Deva", /* USCRIPT_DEVANAGARI */
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"Dsrt", /* USCRIPT_DESERET */
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"Ethi", /* USCRIPT_ETHIOPIC */
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/* "Geoa", */ /* USCRIPT_GEORGIAN */
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/* "Geon", */ /* USCRIPT_GEORGIAN */
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"Geor", /* USCRIPT_GEORGIAN */
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"Goth", /* USCRIPT_GOTHIC */
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"Grek", /* USCRIPT_GREEK */
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"Gujr", /* USCRIPT_GUJARATI */
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"Guru", /* USCRIPT_GURMUKHI */
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"Hang", /* USCRIPT_HANGUL */
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"Hani", /* USCRIPT_HAN */
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"Hebr", /* USCRIPT_HEBREW */
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"Hira", /* USCRIPT_HIRAGANA */
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"Ital", /* USCRIPT_OLD_ITALIC */
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"Kana", /* USCRIPT_KATAKANA */
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"Khmr", /* USCRIPT_KHMER */
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"Knda", /* USCRIPT_KANNADA */
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"Lao", /* USCRIPT_LAO */
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/*"Laoo", */ /* USCRIPT_LAO */
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/*"Latf", */ /* USCRIPT_LATIN */
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/*"Latg", */ /* USCRIPT_LATIN */
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"Latn", /* USCRIPT_LATIN */
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"Mlym", /* USCRIPT_MALAYALAM */
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"Mong", /* USCRIPT_MONGOLIAN */
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"Mymr", /* USCRIPT_MYANMAR */
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"Ogam", /* USCRIPT_OGHAM */
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"Orya", /* USCRIPT_ORIYA */
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"Qaac", /* USCRIPT_COPTIC */
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"Qaai", /* USCRIPT_INHERITED */
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"Runr", /* USCRIPT_RUNIC */
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"Sinh", /* USCRIPT_SINHALA */
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"Syrc", /* USCRIPT_SYRIAC */
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/* "Syre", */ /* USCRIPT_SYRIAC */
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/* "Syrj", */ /* USCRIPT_SYRIAC */
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/* "Syrn", */ /* USCRIPT_SYRIAC */
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"Taml", /* USCRIPT_TAMIL */
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"Telu", /* USCRIPT_TELUGU */
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"Thaa", /* USCRIPT_THANA */
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"Thai", /* USCRIPT_THAI */
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"Tibt", /* USCRIPT_TIBETAN */
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"Yiii", /* USCRIPT_YI */
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"Zyyy" /* USCRIPT_COMMON */
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};
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static const UScriptCode scriptNameCodes[]= {
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USCRIPT_ARABIC ,
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USCRIPT_ARMENIAN ,
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USCRIPT_BENGALI ,
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USCRIPT_BOPOMOFO ,
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USCRIPT_UCAS ,
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USCRIPT_CHEROKEE ,
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USCRIPT_COMMON ,
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USCRIPT_CYRILLIC ,
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USCRIPT_DESERET ,
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USCRIPT_DEVANAGARI ,
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USCRIPT_ETHIOPIC ,
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USCRIPT_GEORGIAN ,
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USCRIPT_GOTHIC ,
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USCRIPT_GREEK ,
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USCRIPT_GUJARATI ,
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USCRIPT_GURMUKHI ,
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USCRIPT_HAN ,
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USCRIPT_HANGUL ,
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USCRIPT_HEBREW ,
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USCRIPT_HIRAGANA ,
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USCRIPT_INHERITED ,
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USCRIPT_KANNADA ,
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USCRIPT_KATAKANA ,
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USCRIPT_KHMER ,
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USCRIPT_LATIN ,
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USCRIPT_MALAYALAM ,
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USCRIPT_MONGOLIAN ,
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USCRIPT_MYANMAR ,
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USCRIPT_OGHAM ,
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USCRIPT_OLD_ITALIC ,
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USCRIPT_ORIYA ,
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USCRIPT_RUNIC ,
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USCRIPT_SINHALA ,
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USCRIPT_SYRIAC ,
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USCRIPT_TAMIL ,
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USCRIPT_TELUGU ,
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USCRIPT_THAANA ,
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USCRIPT_THAI ,
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USCRIPT_TIBETAN ,
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USCRIPT_UCAS ,
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USCRIPT_YI
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};
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static const UScriptCode scriptAbbrCodes[] = {
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USCRIPT_ARABIC ,
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USCRIPT_ARMENIAN ,
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USCRIPT_BENGALI ,
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USCRIPT_BOPOMOFO ,
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USCRIPT_UCAS ,
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USCRIPT_CHEROKEE ,
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USCRIPT_CYRILLIC ,
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/* USCRIPT_CYRILLIC , */
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USCRIPT_DEVANAGARI ,
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USCRIPT_DESERET ,
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USCRIPT_ETHIOPIC ,
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/* USCRIPT_GEORGIAN , */
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/* USCRIPT_GEORGIAN , */
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USCRIPT_GEORGIAN ,
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USCRIPT_GOTHIC ,
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USCRIPT_GREEK ,
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USCRIPT_GUJARATI ,
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USCRIPT_GURMUKHI ,
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USCRIPT_HANGUL ,
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USCRIPT_HAN ,
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USCRIPT_HEBREW ,
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USCRIPT_HIRAGANA ,
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USCRIPT_OLD_ITALIC ,
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USCRIPT_KATAKANA ,
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USCRIPT_KHMER ,
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USCRIPT_KANNADA ,
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USCRIPT_LAO ,
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/* USCRIPT_LAO , */
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/* USCRIPT_LATIN , */
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/* USCRIPT_LATIN , */
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USCRIPT_LATIN ,
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USCRIPT_MALAYALAM ,
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USCRIPT_MONGOLIAN ,
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USCRIPT_MYANMAR ,
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USCRIPT_OGHAM ,
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USCRIPT_ORIYA ,
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USCRIPT_COPTIC ,
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USCRIPT_INHERITED ,
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USCRIPT_RUNIC ,
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USCRIPT_SINHALA ,
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USCRIPT_SYRIAC ,
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/* USCRIPT_SYRIAC , */
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/* USCRIPT_SYRIAC , */
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/* USCRIPT_SYRIAC , */
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USCRIPT_TAMIL ,
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USCRIPT_TELUGU ,
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USCRIPT_THAANA ,
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USCRIPT_THAI ,
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USCRIPT_TIBETAN ,
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USCRIPT_YI ,
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USCRIPT_COMMON
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};
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/* binary search the string array */
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U_INLINE static int
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findStringIndex(const char* const *sortedArr, const char* target, int size){
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int left, middle, right,rc;
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left =0;
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right= size-1;
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while(left <= right){
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middle = (left+right)/2;
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rc=uprv_stricmp(sortedArr[middle],target);
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if(rc<0){
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left = middle+1;
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}else if(rc >0){
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right = middle -1;
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}else{
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return middle;
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}
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}
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return -1;
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}
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/*
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static int
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findCodeIndex(const UScriptCode sorted[], const UScriptCode target, int size){
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int left, middle, right;
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left =0;
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right= size-1;
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while(left <= right){
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middle = (left+right)/2;
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if(sorted[middle] < target){
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left=middle+1;
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}else if(sorted[middle]>target){
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right=middle-1;
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}else{
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return middle;
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}
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}
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return -1;
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}
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*/
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/* linearly search the array and return the index */
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U_INLINE static int
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findCodeIndex(const UScriptCode unsorted[], const UScriptCode target, int size){
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int i=0;
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while(i<size){
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if(target == unsorted[i]){
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return i;
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}
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i++;
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}
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return -1;
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}
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U_CAPI int32_t U_EXPORT2
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uscript_getCode(const char* nameOrAbbrOrLocale,
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UScriptCode* fillIn,
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int32_t capacity,
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UErrorCode* err){
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UScriptCode code = USCRIPT_INVALID_CODE;
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int strIndex=0;
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int32_t numFilled=0;
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int32_t len=0;
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/* check arguments */
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if(U_FAILURE(*err)){
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return numFilled;
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}
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/* try the Names array first */
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strIndex = findStringIndex(scriptNames, nameOrAbbrOrLocale, sizeof(scriptNames)/sizeof(*scriptNames));
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if(strIndex>=0){
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code = (UScriptCode) scriptNameCodes[strIndex];
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len = 1;
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}
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/* we did not find in names array so try abbr array*/
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if(code ==USCRIPT_INVALID_CODE){
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strIndex = findStringIndex(scriptAbbr, nameOrAbbrOrLocale, sizeof(scriptAbbr)/sizeof(*scriptAbbr));
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if(strIndex>=0){
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code = (UScriptCode) scriptAbbrCodes[strIndex];
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len = 1;
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}
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}
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/* we still haven't found it try locale */
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if(code==USCRIPT_INVALID_CODE){
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UResourceBundle* resB = ures_open(u_getDataDirectory(),nameOrAbbrOrLocale,err);
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if(U_SUCCESS(*err)&& *err != U_USING_DEFAULT_ERROR){
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UResourceBundle* resD = ures_getByKey(resB,kLocaleScript,NULL,err);
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int index =0;
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if(U_SUCCESS(*err) ){
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len =0;
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while(ures_hasNext(resD)){
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const UChar* name = ures_getNextString(resD,&len,NULL,err);
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if(U_SUCCESS(*err)){
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char cName[50] = {'\0'};
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u_UCharsToChars(name,cName,len);
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index = findStringIndex(scriptAbbr, cName, sizeof(scriptAbbr)/sizeof(*scriptAbbr));
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code = (UScriptCode) scriptAbbrCodes[index];
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/* got the script code now fill in the buffer */
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if(numFilled<=capacity){
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*(fillIn)++=code;
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numFilled++;
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}else{
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ures_close(resD);
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ures_close(resB);
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*err=U_BUFFER_OVERFLOW_ERROR;
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return len;
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}
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}
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}
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}
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ures_close(resD);
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}
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ures_close(resB);
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}else{
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/* we found it */
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if(numFilled<=capacity){
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*(fillIn)++=code;
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numFilled++;
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}else{
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*err=U_BUFFER_OVERFLOW_ERROR;
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return len;
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}
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}
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return numFilled;
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}
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U_CAPI const char* U_EXPORT2
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uscript_getName(UScriptCode scriptCode){
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int index = -1;
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if(scriptCode > USCRIPT_CODE_LIMIT){
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return "";
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}
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index = findCodeIndex(scriptNameCodes,scriptCode,sizeof(scriptNameCodes)/sizeof(*scriptNameCodes));
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if(index >=0){
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return scriptNames[index];
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}else{
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return "";
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}
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}
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U_CAPI const char* U_EXPORT2
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uscript_getShortName(UScriptCode scriptCode){
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int index = -1;
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if(scriptCode > USCRIPT_CODE_LIMIT){
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return "";
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}
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index = findCodeIndex(scriptAbbrCodes,scriptCode,sizeof(scriptAbbrCodes)/sizeof(*scriptAbbrCodes));
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if(index >=0){
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return scriptAbbr[index];
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}else{
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return "";
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}
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}
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