393 lines
11 KiB
C
393 lines
11 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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#define U_SCRIPT_NAMES_ARRAY_SIZE 38
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#define U_SCRIPT_ABBR_ARRAY_SIZE 41
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static const char * const scriptNames[]={
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"ARABIC", /* U_ARABIC */
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"ARMENIAN", /* U_ARMENIAN */
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"BENGALI", /* U_BENGALI */
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"BOPOMOFO", /* U_BOPOMOFO */
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"CHEROKEE", /* U_CHEROKEE */
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"CYRILLIC", /* U_CYRILLIC */
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"DESERET", /* U_DESERET */
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"DEVANAGARI", /* U_DEVANAGARI */
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"ETHIOPIC", /* U_ETHIOPIC */
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"GEORGIAN", /* U_GEORGIAN */
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"GOTHIC", /* U_GOTHIC */
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"GREEK", /* U_GREEK */
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"GUJARATI", /* U_GUJARATI */
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"GURMUKHI", /* U_GURMUKHI */
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"HAN", /* U_HAN */
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"HANGUL", /* U_HANGUL */
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"HEBREW", /* U_HEBREW */
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"HIRAGANA", /* U_HIRAGANA */
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"INHERITED", /* U_INHERITED */
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"KANNADA", /* U_KANNADA */
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"KATAKANA", /* U_KATAKANA */
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"KHMER", /* U_KHMER */
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"LATIN", /* U_LATIN */
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"MALAYALAM", /* U_MALAYALAM */
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"MONGOLIAN", /* U_MONGOLIAN */
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"MYANMAR", /* U_MYANMAR */
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"OGHAM", /* U_OGHAM */
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"OLD_ITALIC", /* U_OLD_ITALIC */
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"ORIYA", /* U_ORIYA */
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"RUNIC", /* U_RUNIC */
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"SINHALA", /* U_SINHALA */
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"SYRIAC", /* U_SYRIAC */
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"TAMIL", /* U_TAMIL */
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"TELUGU", /* U_TELUGU */
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"THAANA", /* U_THANA */
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"THAI", /* U_THAI */
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"TIBETAN", /* U_TIBETAN */
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"UCAS", /* U_UCAS */
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};
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static const char * const scriptAbbr[]= {
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"Arab", /* U_ARABIC */
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"Armn", /* U_ARMENIAN */
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"Beng", /* U_BENGALI */
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"Bopo", /* U_BOPOMOFO */
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"Cans", /* U_UCAS */
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"Cher", /* U_CHEROKEE */
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"Cyrl", /* U_CYRILLIC */
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/* "Cyrs", */ /* U_CYRILLIC */
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"Deva", /* U_DEVANAGARI */
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"Dsrt", /* U_DESERET */
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"Ethi", /* U_ETHIOPIC */
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/* "Geoa", */ /* U_GEORGIAN */
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/* "Geon", */ /* U_GEORGIAN */
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"Geor", /* U_GEORGIAN */
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"Goth", /* U_GOTHIC */
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"Grek", /* U_GREEK */
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"Gujr", /* U_GUJARATI */
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"Guru", /* U_GURMUKHI */
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"Hang", /* U_HANGUL */
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"Hani", /* U_HAN */
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"Hebr", /* U_HEBREW */
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"Hira", /* U_HIRAGANA */
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"Ital", /* U_OLD_ITALIC */
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"Kana", /* U_KATAKANA */
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"Khmr", /* U_KHMER */
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"Knda", /* U_KANNADA */
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"Lao", /* U_LAO */
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/*"Laoo", */ /* U_LAO */
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/*"Latf", */ /* U_LATIN */
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/*"Latg", */ /* U_LATIN */
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"Latn", /* U_LATIN */
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"Mlym", /* U_MALAYALAM */
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"Mong", /* U_MONGOLIAN */
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"Mymr", /* U_MYANMAR */
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"Ogam", /* U_OGHAM */
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"Orya", /* U_ORIYA */
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"Qaac", /* U_COPTIC */
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"Qaai", /* U_INHERITED */
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"Runr", /* U_RUNIC */
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"Sinh", /* U_SINHALA */
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"Syrc", /* U_SYRIAC */
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/* "Syre", */ /* U_SYRIAC */
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/* "Syrj", */ /* U_SYRIAC */
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/* "Syrn", */ /* U_SYRIAC */
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"Taml", /* U_TAMIL */
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"Telu", /* U_TELUGU */
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"Thaa", /* U_THANA */
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"Thai", /* U_THAI */
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"Tibt", /* U_TIBETAN */
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"Yiii", /* U_YI */
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"Zyyy", /* U_COMMON */
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};
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static const UScriptCode scriptNameCodes[]= {
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U_ARABIC ,
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U_ARMENIAN ,
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U_BENGALI ,
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U_BOPOMOFO ,
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U_CHEROKEE ,
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U_CYRILLIC ,
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U_DESERET ,
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U_DEVANAGARI ,
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U_ETHIOPIC ,
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U_GEORGIAN ,
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U_GOTHIC ,
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U_GREEK ,
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U_GUJARATI ,
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U_GURMUKHI ,
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U_HAN ,
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U_HANGUL ,
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U_HEBREW ,
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U_HIRAGANA ,
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U_INHERITED ,
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U_KANNADA ,
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U_KATAKANA ,
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U_KHMER ,
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U_LATIN ,
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U_MALAYALAM ,
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U_MONGOLIAN ,
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U_MYANMAR ,
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U_OGHAM ,
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U_OLD_ITALIC ,
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U_ORIYA ,
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U_RUNIC ,
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U_SINHALA ,
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U_SYRIAC ,
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U_TAMIL ,
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U_TELUGU ,
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U_THAANA ,
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U_THAI ,
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U_TIBETAN ,
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U_UCAS ,
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};
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static const UScriptCode scriptAbbrCodes[] = {
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U_ARABIC ,
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U_ARMENIAN ,
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U_BENGALI ,
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U_BOPOMOFO ,
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U_UCAS ,
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U_CHEROKEE ,
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U_CYRILLIC ,
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/* U_CYRILLIC ,*/
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U_DEVANAGARI ,
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U_DESERET ,
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U_ETHIOPIC ,
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/* U_GEORGIAN , */
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/* U_GEORGIAN , */
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U_GEORGIAN ,
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U_GOTHIC ,
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U_GREEK ,
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U_GUJARATI ,
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U_GURMUKHI ,
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U_HANGUL ,
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U_HAN ,
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U_HEBREW ,
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U_HIRAGANA ,
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U_OLD_ITALIC ,
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U_KATAKANA ,
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U_KHMER ,
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U_KANNADA ,
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U_LAO ,
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/* U_LAO , */
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/* U_LATIN , */
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/* U_LATIN , */
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U_LATIN ,
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U_MALAYALAM ,
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U_MONGOLIAN ,
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U_MYANMAR ,
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U_OGHAM ,
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U_ORIYA ,
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U_COPTIC ,
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U_INHERITED ,
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U_RUNIC ,
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U_SINHALA ,
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U_SYRIAC ,
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/* U_SYRIAC , */
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/* U_SYRIAC , */
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U_SYRIAC ,
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U_TAMIL ,
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U_TELUGU ,
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U_THAANA ,
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U_THAI ,
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U_TIBETAN ,
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U_YI ,
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U_COMMON ,
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};
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static const char * const scriptCodeName[]={
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"U_INVALID_CODE",
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"U_COMMON",
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"U_INHERITED",
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"U_ARABIC",
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"U_ARMENIAN",
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"U_BENGALI",
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"U_BOPOMOFO",
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"U_CHEROKEE",
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"U_COPTIC",
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"U_CYRILLIC",
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"U_DESERET",
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"U_DEVANAGARI",
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"U_ETHIOPIC",
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"U_GEORGIAN",
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"U_GOTHIC",
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"U_GREEK",
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"U_GUJARATI",
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"U_GURMUKHI",
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"U_HAN",
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"U_HANGUL",
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"U_HEBREW",
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"U_HIRAGANA",
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"U_KANNADA",
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"U_KATAKANA",
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"U_KHMER",
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"U_LAO",
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"U_LATIN",
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"U_MALAYALAM",
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"U_MONGOLIAN",
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"U_MYANMAR",
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"U_OGHAM",
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"U_OLD_ITALIC",
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"U_ORIYA",
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"U_RUNIC",
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"U_SINHALA",
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"U_SYRIAC",
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"U_TAMIL",
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"U_TELUGU",
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"U_THAANA",
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"U_THAI",
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"U_TIBETAN",
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"U_UCAS",
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"U_YI",
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"U_SCRIPT_CODE_LIMIT",
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};
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/* binary search the string array */
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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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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 UScriptCode
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uchar_getScriptCode(const char* nameOrAbbrOrLocale, UErrorCode* err){
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UScriptCode code = U_INVALID_SCRIPT_CODE;
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int strIndex=0;
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/* check arguments */
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if(U_FAILURE(*err)){
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return code;
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}
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/* try the Names array first */
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strIndex = findStringIndex(scriptNames, nameOrAbbrOrLocale, U_SCRIPT_NAMES_ARRAY_SIZE);
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if(strIndex>=0 && strIndex < U_SCRIPT_NAMES_ARRAY_SIZE){
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code = (UScriptCode) scriptNameCodes[strIndex];
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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 ==U_INVALID_SCRIPT_CODE){
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strIndex = findStringIndex(scriptAbbr, nameOrAbbrOrLocale, U_SCRIPT_ABBR_ARRAY_SIZE);
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if(strIndex>=0 && strIndex < U_SCRIPT_NAMES_ARRAY_SIZE){
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code = (UScriptCode) scriptAbbrCodes[strIndex];
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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==U_INVALID_SCRIPT_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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int32_t len=0;
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UResourceBundle* resD = ures_getByKey(resB,"LocaleScript",NULL,err);
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int index =0;
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const UChar* name = ures_getStringByIndex(resD,0,&len,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(scriptNames, cName, U_SCRIPT_NAMES_ARRAY_SIZE);
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code = (UScriptCode) scriptNameCodes[index];
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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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}
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return code;
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}
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U_CAPI const char*
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uchar_getScriptName(UScriptCode scriptCode){
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int index = -1;
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if(scriptCode > U_SCRIPT_CODE_LIMIT){
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return "";
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}
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index = findCodeIndex(scriptNameCodes,scriptCode,U_SCRIPT_NAMES_ARRAY_SIZE);
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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*
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uchar_getScriptAbbr(UScriptCode scriptCode){
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int index = -1;
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if(scriptCode > U_SCRIPT_CODE_LIMIT){
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return "";
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}
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index = findCodeIndex(scriptAbbrCodes,scriptCode,U_SCRIPT_ABBR_ARRAY_SIZE);
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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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U_CAPI const char*
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uchar_scriptCodeName(UScriptCode code){
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if(code>=0 && code<U_SCRIPT_CODE_LIMIT) {
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return scriptCodeName[code+1];
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} else{
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return scriptCodeName[U_INVALID_SCRIPT_CODE+1];
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}
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}
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