--- /dev/null
+/*
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// FILE HEADER
+#include <dali/public-api/text-abstraction/script.h>
+
+namespace Dali
+{
+
+namespace TextAbstraction
+{
+
+namespace
+{
+const unsigned int WHITE_SPACE_THRESHOLD = 0x21; ///< All characters below 0x21 are considered white spaces.
+const unsigned int CHAR_FL = 0x000A; ///< NL Line feed, new line.
+const unsigned int CHAR_VT = 0x000B; ///< Vertical tab.
+const unsigned int CHAR_FF = 0x000C; ///< NP Form feed, new page.
+const unsigned int CHAR_NEL = 0x0085; ///< Next line.
+const unsigned int CHAR_LS = 0x2028; ///< Line separator.
+const unsigned int CHAR_PS = 0x2029; ///< Paragraph separator
+
+const unsigned int CHAR_ZWS = 0x200B; ///< Zero width space.
+const unsigned int CHAR_ZWNJ = 0x200C; ///< Zero width non joiner.
+const unsigned int CHAR_ZWJ = 0x200D; ///< Zero width joiner.
+const unsigned int CHAR_LTRM = 0x200E; ///< Left to Right Mark.
+const unsigned int CHAR_RTLM = 0x200F; ///< Right to Left Mark.
+const unsigned int CHAR_TS = 0x2009; ///< Thin Space.
+} // namespace
+
+bool IsRightToLeftScript( Script script )
+{
+ // VCC TODO: add hebrew and other right to left scripts if any.
+ return ARABIC == script;
+}
+
+Script GetCharacterScript( Character character )
+{
+ // Latin script:
+ // 0x0000 - 0x007f C0 Controls and Basic Latin
+ // 0x0080 - 0x00ff C1 Controls and Latin-1 Supplement
+ // 0x0100 - 0x017f Latin Extended-A
+ // 0x0180 - 0x024f Latin Extended-B
+ // 0x0250 - 0x02af IPA Extensions
+ // 0x02b0 - 0x02ff Spacing Modifier Letters
+ // 0x1d00 - 0x1d7f Phonetic Extensions
+ // 0x1d80 - 0x1dbf Phonetic Extensions Supplement
+ // 0x1e00 - 0x1eff Latin Extended Additional
+ // 0x2070 - 0x209f Superscripts and Subscripts
+ // 0x2100 - 0x214f Letterlike symbols
+ // 0x2150 - 0x218f Number Forms
+ // 0x2c60 - 0x2c7f Latin Extended-C
+ // 0xa720 - 0xa7ff Latin Extended-D
+ // 0xab30 - 0xab6f Latin Extended-E
+ // 0xfb00 - 0xfb4f Alphabetic Presentation Forms
+ // 0xff00 - 0xffef Halfwidth and Fullwidth Forms
+
+ // Brahmic scripts:
+ // 0x0900 - 0x097f Devanagari
+ // 0x0980 - 0x09ff Bengali
+ // 0x0a00 - 0x0a7f Gurmukhi
+ // 0x0a80 - 0x0aff Gujarati
+ // 0x0b00 - 0x0b7f Oriya
+ // 0x0b80 - 0x0bff Tamil
+ // 0x0c00 - 0x0c7f Telugu
+ // 0x0c80 - 0x0cff Kannada
+ // 0x0d00 - 0x0d7f Malayalam
+
+ // Sinhala script.
+ // 0x0d80 - 0x0dff Sinhala
+
+ // Arabic script.
+ // 0x0600 - 0x06ff Arabic
+ // 0x0750 - 0x077f Arabic Supplement
+ // 0x08A0 - 0x08ff Arabic Extended-A
+ // 0xfb50 - 0xfdff Arabic Presentation Forms-A
+ // 0xfe70 - 0xfeff Arabic Presentation Forms-B
+ // 0x1ee00 - 0x1eeff Arabic Mathematical Alphabetic Symbols
+
+ // CJK and Vietnamese script.
+ // 0x2E80 - 0x2eff CJK Radicals Supplement
+ // 0x3000 - 0x303f CJK Symbols and Punctuation
+ // 0x3200 - 0x32ff Enclosed CJK Letters and Months
+ // 0x3400 - 0x4dbf CJK Unified Ideographs Extension A
+ // 0x4e00 - 0x62ff CJK Unified Ideographs
+ // 0x6300 - 0x77ff CJK Unified Ideographs
+ // 0x7800 - 0x8cff CJK Unified Ideographs
+ // 0x8d00 - 0x9fff CJK Unified Ideographs
+ // 0x20000 - 0x215ff CJK Unified Ideographs Extension B
+ // 0x21600 - 0x230ff CJK Unified Ideographs Extension B
+ // 0x23100 - 0x245ff CJK Unified Ideographs Extension B
+ // 0x24600 - 0x260ff CJK Unified Ideographs Extension B
+ // 0x26100 - 0x275ff CJK Unified Ideographs Extension B
+ // 0x27600 - 0x290ff CJK Unified Ideographs Extension B
+ // 0x29100 - 0x2a6df CJK Unified Ideographs Extension B
+ // 2a700-2b73f. CJK Unified Ideographs Extension C
+ // 2b740-2b81f. CJK Unified Ideographs Extension D
+
+ // Hangul script
+ // 0x1100 - 0x11ff Hangul jamo
+ // 0x3130 - 0x318f Hangul Compatibility Jamo
+ // 0xa960 - 0xa97f Hangul Jamo Extended-A
+ // 0xac00 - 0xd7af Hangul Syllables
+ // 0xd7b0 - 0xd7ff Hangul Jamo Extended-B
+
+ // Khmer script
+ // 0x1780 - 0x17ff Khmer
+ // 0x19e0 - 0x19ff Khmer Symbols
+
+ // Lao script
+ // 0x0e80 - 0x0eff Lao
+
+ // Thai script
+ // 0x0e00 - 0x0e7f Thai
+
+ // Burmese script
+ // 0x1000 - 0x109f Myanmar
+
+ // The Emoji which map to standardized Unicode characters
+ // 1. Emoticons ( 1F601 - 1F64F )
+ // 2. Dingbats ( 2702 - 27B0 )
+ // 3. Transport and map symbols ( 1F680 - 1F6C0 )
+ // 4. Enclosed characters ( 24C2 - 1F251 )
+ // 5. Uncategorized :-S
+ // 6. Additional Emoticons ( 1F600 - 1F636 )
+ // 6b. Additional transport and map symbols ( 1F681 - 1F6C5 )
+ // 6c. Other additional symbols ( 1F30D - 1F567 )
+
+ if( character <= 0x0cff )
+ {
+ if( character <= 0x09ff )
+ {
+ if( character <= 0x077f )
+ {
+ if( character == 0x00A9 )
+ {
+ return EMOJI; // 5. Uncategorized: copyright sign
+ }
+ if( character == 0x00AE )
+ {
+ return EMOJI; // 5. Uncategorized: registered sign
+ }
+ if( character <= 0x02ff )
+ {
+ return LATIN;
+ }
+ if( ( 0x0600 <= character ) && ( character <= 0x06ff ) )
+ {
+ return ARABIC;
+ }
+ if( ( 0x0750 <= character ) && ( character <= 0x077f ) )
+ {
+ return ARABIC;
+ }
+ }
+ else // > 0x077f
+ {
+ if( ( 0x08A0 <= character ) && ( character <= 0x08ff ) )
+ {
+ return ARABIC;
+ }
+ if( ( 0x0900 <= character ) && ( character <= 0x097f ) )
+ {
+ return DEVANAGARI;
+ }
+ if( ( 0x0980 <= character ) && ( character <= 0x09ff ) )
+ {
+ return BENGALI;
+ }
+ }
+ }
+ else // > 0x09ff
+ {
+ if( character <= 0x0b7f )
+ {
+ if( ( 0x0a00 <= character ) && ( character <= 0x0a7f ) )
+ {
+ return GURMUKHI;
+ }
+ if( ( 0x0a80 <= character ) && ( character <= 0x0aff ) )
+ {
+ return GUJARATI;
+ }
+ if( ( 0x0b00 <= character ) && ( character <= 0x0b7f ) )
+ {
+ return ORIYA;
+ }
+ }
+ else // > 0x0b7f
+ {
+ if( ( 0x0b80 <= character ) && ( character <= 0x0bff ) )
+ {
+ return TAMIL;
+ }
+ if( ( 0x0c00 <= character ) && ( character <= 0x0c7f ) )
+ {
+ return TELUGU;
+ }
+ if( ( 0x0c80 <= character ) && ( character <= 0x0cff ) )
+ {
+ return KANNADA;
+ }
+ }
+ }
+ }
+ else // > 0x0cff
+ {
+ if( character <= 0x2c7f )
+ {
+ if( character <= 0x1eff )
+ {
+ if( ( 0x0d00 <= character ) && ( character <= 0x0d7f ) )
+ {
+ return MALAYALAM;
+ }
+ if( ( 0x0d80 <= character ) && ( character <= 0x0dff ) )
+ {
+ return SINHALA;
+ }
+ if( ( 0x0e00 <= character ) && ( character <= 0x0e7f ) )
+ {
+ return THAI;
+ }
+ if( ( 0x0e80 <= character ) && ( character <= 0x0eff ) )
+ {
+ return LAO;
+ }
+ if( ( 0x1000 <= character ) && ( character <= 0x109f ) )
+ {
+ return BURMESE;
+ }
+ if( ( 0x1100 <= character ) && ( character <= 0x11ff ) )
+ {
+ return HANGUL;
+ }
+ if( ( 0x1780 <= character ) && ( character <= 0x17ff ) )
+ {
+ return KHMER;
+ }
+ if( ( 0x19e0 <= character ) && ( character <= 0x19ff ) )
+ {
+ return KHMER;
+ }
+ if( ( 0x1d00 <= character ) && ( character <= 0x1eff ) )
+ {
+ return LATIN;
+ }
+ }
+ else // > 0x1eff
+ {
+ if( character == 0x203c )
+ {
+ return EMOJI; // 5. Uncategorized: double exclamation mark
+ }
+ if( character == 0x2049 )
+ {
+ return EMOJI; // 5. Uncategorized: exclamation question mark
+ }
+ if( ( 0x2070 <= character ) && ( character <= 0x209f ) )
+ {
+ return LATIN;
+ }
+ if( character == 0x20e3 )
+ {
+ return EMOJI; // 5. Uncategorized: combining enclosing keycap
+ }
+ if( character == 0x2122 )
+ {
+ return EMOJI; // 5. Uncategorized: trade mark sign
+ }
+ if( character == 0x2139 )
+ {
+ return EMOJI; // 5. Uncategorized: information source
+ }
+ if( ( 0x2100 <= character ) && ( character <= 0x218f ) )
+ {
+ return LATIN;
+ }
+ // U+2194 5. Uncategorized: left right arrow
+ // U+2B55 5. Uncategorized: heavy large circle
+ if( ( 0x2194 <= character ) && ( character <= 0x2B55 ) )
+ {
+ return EMOJI;
+ }
+ if( ( 0x2c60 <= character ) && ( character <= 0x2c7f ) )
+ {
+ return LATIN;
+ }
+ }
+ }
+ else // > 0x2c7f
+ {
+ if( character <= 0xfdff )
+ {
+ if( ( 0x2e80 <= character ) && ( character <= 0x2eff ) )
+ {
+ return CJK;
+ }
+ if( ( 0x3000 <= character ) && ( character <= 0x303f ) )
+ {
+ return CJK;
+ }
+ if( ( 0x3130 <= character ) && ( character <= 0x318f ) )
+ {
+ return HANGUL;
+ }
+ if( ( 0x3200 <= character ) && ( character <= 0x32ff ) )
+ {
+ return CJK;
+ }
+ if( ( 0x3400 <= character ) && ( character <= 0x4dbf ) )
+ {
+ return CJK;
+ }
+ if( ( 0x4e00 <= character ) && ( character <= 0x62ff ) )
+ {
+ return CJK;
+ }
+ if( ( 0x6300 <= character ) && ( character <= 0x77ff ) )
+ {
+ return CJK;
+ }
+ if( ( 0x7800 <= character ) && ( character <= 0x8cff ) )
+ {
+ return CJK;
+ }
+ if( ( 0x8d00 <= character ) && ( character <= 0x9fff ) )
+ {
+ return CJK;
+ }
+ if( ( 0xa720 <= character ) && ( character <= 0xa7ff ) )
+ {
+ return LATIN;
+ }
+ if( ( 0xa960 <= character ) && ( character <= 0xa97f ) )
+ {
+ return HANGUL;
+ }
+ if( ( 0xab30 <= character ) && ( character <= 0xab6f ) )
+ {
+ return LATIN;
+ }
+ if( ( 0xac00 <= character ) && ( character <= 0xd7af ) )
+ {
+ return HANGUL;
+ }
+ if( ( 0xd7b0 <= character ) && ( character <= 0xd7ff ) )
+ {
+ return HANGUL;
+ }
+ if( ( 0xfb00 <= character ) && ( character <= 0xfb4f ) )
+ {
+ return LATIN;
+ }
+ if( ( 0xfb50 <= character ) && ( character <= 0xfdff ) )
+ {
+ return ARABIC;
+ }
+ }
+ else // > 0xfdff
+ {
+ if( ( 0xfe70 <= character ) && ( character <= 0xfeff ) )
+ {
+ return ARABIC;
+ }
+ if( ( 0xff00 <= character ) && ( character <= 0xffef ) )
+ {
+ return LATIN;
+ }
+ if( ( 0x1ee00 <= character ) && ( character <= 0x1eeff ) )
+ {
+ return ARABIC;
+ }
+ // U+1f170 4. Enclosed characters: negative squared latin capital letter A
+ // U+1f6c5 6b. Additional transport and map symbols
+ if( ( 0x1f170 <= character ) && ( character <= 0x1f6c5 ) )
+ {
+ return EMOJI;
+ }
+ if( ( 0x20000 <= character ) && ( character <= 0x215ff ) )
+ {
+ return CJK;
+ }
+ if( ( 0x21600 <= character ) && ( character <= 0x230ff ) )
+ {
+ return CJK;
+ }
+ if( ( 0x23100 <= character ) && ( character <= 0x245ff ) )
+ {
+ return CJK;
+ }
+ if( ( 0x24600 <= character ) && ( character <= 0x260ff ) )
+ {
+ return CJK;
+ }
+ if( ( 0x26100 <= character ) && ( character <= 0x275ff ) )
+ {
+ return CJK;
+ }
+ if( ( 0x27600 <= character ) && ( character <= 0x290ff ) )
+ {
+ return CJK;
+ }
+ if( ( 0x29100 <= character ) && ( character <= 0x2a6df ) )
+ {
+ return CJK;
+ }
+ if( ( 0x2a700 <= character ) && ( character <= 0x2b73f ) )
+ {
+ return CJK;
+ }
+ if( ( 0x2b740 <= character ) && ( character <= 0x2b81f ) )
+ {
+ return CJK;
+ }
+ }
+ }
+ }
+
+ return UNKNOWN;
+}
+
+bool IsWhiteSpace( Character character )
+{
+ return character < WHITE_SPACE_THRESHOLD;
+}
+
+bool IsNewParagraph( Character character )
+{
+ return ( ( CHAR_FL == character ) ||
+ ( CHAR_VT == character ) ||
+ ( CHAR_FF == character ) ||
+ ( CHAR_NEL == character ) ||
+ ( CHAR_LS == character ) ||
+ ( CHAR_PS == character ) );
+}
+
+bool IsZeroWidthNonJoiner( Character character )
+{
+ return CHAR_ZWNJ == character;
+}
+
+bool IsZeroWidthJoiner( Character character )
+{
+ return CHAR_ZWJ == character;
+}
+
+bool IsZeroWidthSpace( Character character )
+{
+ return CHAR_ZWS == character;
+}
+
+bool IsLeftToRightMark( Character character )
+{
+ return CHAR_LTRM == character;
+}
+
+bool IsRightToLeftMark( Character character )
+{
+ return CHAR_RTLM == character;
+}
+
+bool IsThinSpace( Character character )
+{
+ return CHAR_TS == character;
+}
+
+} // namespace TextAbstraction
+
+} // namespace Dali
"UNKNOWN" ///< The script is unknown.
};
+/**
+ * @brief Whether the script is a right to left script.
+ *
+ * @param[in] script The script.
+ *
+ * @return @e true if the script is right to left.
+ */
+bool IsRightToLeftScript( Script script );
+
+/**
+ * @brief Retrieves a character's script.
+ *
+ * @param[in] character The character.
+ *
+ * @return The chraracter's script.
+ */
+Script GetCharacterScript( Character character );
+
+/**
+ * @brief Whether the character is a white space.
+ *
+ * @param[in] character The character.
+ *
+ * @return @e true if the character is a white space.
+ */
+bool IsWhiteSpace( Character character );
+
+/**
+ * @brief Whether the character is a new paragraph character.
+ *
+ * @param[in] character The character.
+ *
+ * @return @e true if the character is a new paragraph character.
+ */
+bool IsNewParagraph( Character character );
+
+/**
+ * @brief Whether the character is a zero width non joiner.
+ *
+ * @param[in] character The character.
+ *
+ * @return @e true if the character is a zero width non joiner.
+ */
+bool IsZeroWidthNonJoiner( Character character );
+
+/**
+ * @brief Whether the character is a zero width joiner.
+ *
+ * @param[in] character The character.
+ *
+ * @return @e true if the character is a zero width joiner.
+ */
+bool IsZeroWidthJoiner( Character character );
+
+/**
+ * @brief Whether the character is a zero width space.
+ *
+ * @param[in] character The character.
+ *
+ * @return @e true if the character is a zero width space.
+ */
+bool IsZeroWidthSpace( Character character );
+
+/**
+ * @brief Whether the character is a left to right mark.
+ *
+ * @param[in] character The character.
+ *
+ * @return @e true if the character is a left to right mark.
+ */
+bool IsLeftToRightMark( Character character );
+
+/**
+ * @brief Whether the character is a right to left mark.
+ *
+ * @param[in] character The character.
+ *
+ * @return @e true if the character is a right to left mark.
+ */
+bool IsRightToLeftMark( Character character );
+
+/**
+ * @brief Whether the character is a thin space.
+ *
+ * @param[in] character The character.
+ *
+ * @return @e true if the character is a thin space.
+ */
+bool IsThinSpace( Character character );
+
} // namespace TextAbstraction
} // namespace Dali
projects / platform / core / uifw / dali-adaptor.git / commitdiff