1 /* 2 * Copyright 2010, The Android Open Source Project 3 * Copyright 2010, Google Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include "harfbuzz-external.h" 28 29 #include <unicode/uchar.h> 30 #include <unicode/utypes.h> 31 32 /* 33 We use ICU APIs to get the character's Unicode property. 34 This module replaces the harfbuzz-unicode-tables.c which is 35 using static Unicode tables. 36 */ 37 38 static int 39 hb_category_for_char(HB_UChar32 ch) { 40 switch (u_charType(ch)) { 41 case U_CONTROL_CHAR: 42 return HB_Other_Control; 43 case U_FORMAT_CHAR: 44 return HB_Other_Format; 45 case U_UNASSIGNED: 46 return HB_Other_NotAssigned; 47 case U_PRIVATE_USE_CHAR: 48 return HB_Other_PrivateUse; 49 case U_SURROGATE: 50 return HB_Other_Surrogate; 51 case U_LOWERCASE_LETTER: 52 return HB_Letter_Lowercase; 53 case U_MODIFIER_LETTER: 54 return HB_Letter_Modifier; 55 case U_OTHER_LETTER: 56 return HB_Letter_Other; 57 case U_TITLECASE_LETTER: 58 return HB_Letter_Titlecase; 59 case U_UPPERCASE_LETTER: 60 return HB_Letter_Uppercase; 61 case U_COMBINING_SPACING_MARK: 62 return HB_Mark_SpacingCombining; 63 case U_ENCLOSING_MARK: 64 return HB_Mark_Enclosing; 65 case U_NON_SPACING_MARK: 66 return HB_Mark_NonSpacing; 67 case U_DECIMAL_DIGIT_NUMBER : 68 return HB_Number_DecimalDigit; 69 case U_LETTER_NUMBER: 70 return HB_Number_Letter; 71 case U_OTHER_NUMBER: 72 return HB_Number_Other; 73 case U_CONNECTOR_PUNCTUATION: 74 return HB_Punctuation_Connector; 75 case U_DASH_PUNCTUATION: 76 return HB_Punctuation_Dash; 77 case U_END_PUNCTUATION: 78 return HB_Punctuation_Close; 79 case U_FINAL_PUNCTUATION: 80 return HB_Punctuation_FinalQuote; 81 case U_INITIAL_PUNCTUATION: 82 return HB_Punctuation_InitialQuote; 83 case U_OTHER_PUNCTUATION: 84 return HB_Punctuation_Other; 85 case U_START_PUNCTUATION: 86 return HB_Punctuation_Open; 87 case U_CURRENCY_SYMBOL: 88 return HB_Symbol_Currency; 89 case U_MODIFIER_SYMBOL: 90 return HB_Symbol_Modifier; 91 case U_MATH_SYMBOL: 92 return HB_Symbol_Math; 93 case U_OTHER_SYMBOL: 94 return HB_Symbol_Other; 95 case U_LINE_SEPARATOR: 96 return HB_Separator_Line; 97 case U_PARAGRAPH_SEPARATOR: 98 return HB_Separator_Paragraph; 99 case U_SPACE_SEPARATOR: 100 return HB_Separator_Space; 101 default: 102 return HB_Symbol_Other; 103 } 104 } 105 106 HB_LineBreakClass 107 HB_GetLineBreakClass(HB_UChar32 ch) { 108 switch ((ULineBreak)u_getIntPropertyValue(ch, UCHAR_LINE_BREAK)) { 109 case U_LB_MANDATORY_BREAK: 110 return HB_LineBreak_BK; 111 case U_LB_CARRIAGE_RETURN: 112 return HB_LineBreak_CR; 113 case U_LB_LINE_FEED: 114 return HB_LineBreak_LF; 115 case U_LB_COMBINING_MARK: 116 return HB_LineBreak_CM; 117 case U_LB_SURROGATE: 118 return HB_LineBreak_SG; 119 case U_LB_ZWSPACE: 120 return HB_LineBreak_ZW; 121 case U_LB_INSEPARABLE: 122 return HB_LineBreak_IN; 123 case U_LB_GLUE: 124 return HB_LineBreak_GL; 125 case U_LB_CONTINGENT_BREAK: 126 return HB_LineBreak_AL; 127 case U_LB_SPACE: 128 return HB_LineBreak_SP; 129 case U_LB_BREAK_AFTER: 130 return HB_LineBreak_BA; 131 case U_LB_BREAK_BEFORE: 132 return HB_LineBreak_BB; 133 case U_LB_BREAK_BOTH: 134 return HB_LineBreak_B2; 135 case U_LB_HYPHEN: 136 return HB_LineBreak_HY; 137 case U_LB_NONSTARTER: 138 return HB_LineBreak_NS; 139 case U_LB_OPEN_PUNCTUATION: 140 return HB_LineBreak_OP; 141 case U_LB_CLOSE_PUNCTUATION: 142 return HB_LineBreak_CL; 143 case U_LB_QUOTATION: 144 return HB_LineBreak_QU; 145 case U_LB_EXCLAMATION: 146 return HB_LineBreak_EX; 147 case U_LB_IDEOGRAPHIC: 148 return HB_LineBreak_ID; 149 case U_LB_NUMERIC: 150 return HB_LineBreak_NU; 151 case U_LB_INFIX_NUMERIC: 152 return HB_LineBreak_IS; 153 case U_LB_BREAK_SYMBOLS: 154 return HB_LineBreak_SY; 155 case U_LB_ALPHABETIC: 156 return HB_LineBreak_AL; 157 case U_LB_PREFIX_NUMERIC: 158 return HB_LineBreak_PR; 159 case U_LB_POSTFIX_NUMERIC: 160 return HB_LineBreak_PO; 161 case U_LB_COMPLEX_CONTEXT: 162 return HB_LineBreak_SA; 163 case U_LB_AMBIGUOUS: 164 return HB_LineBreak_AL; 165 case U_LB_UNKNOWN: 166 return HB_LineBreak_AL; 167 case U_LB_NEXT_LINE: 168 return HB_LineBreak_AL; 169 case U_LB_WORD_JOINER: 170 return HB_LineBreak_WJ; 171 case U_LB_JL: 172 return HB_LineBreak_JL; 173 case U_LB_JV: 174 return HB_LineBreak_JV; 175 case U_LB_JT: 176 return HB_LineBreak_JT; 177 case U_LB_H2: 178 return HB_LineBreak_H2; 179 case U_LB_H3: 180 return HB_LineBreak_H3; 181 default: 182 return HB_LineBreak_AL; 183 } 184 } 185 186 int 187 HB_GetUnicodeCharCombiningClass(HB_UChar32 ch) { 188 return u_getCombiningClass(ch); 189 } 190 191 void 192 HB_GetUnicodeCharProperties(HB_UChar32 ch, 193 HB_CharCategory *category, 194 int *combiningClass) { 195 *category = hb_category_for_char(ch); 196 *combiningClass = u_getCombiningClass(ch); 197 } 198 199 HB_CharCategory 200 HB_GetUnicodeCharCategory(HB_UChar32 ch) { 201 return hb_category_for_char(ch); 202 } 203
