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Diffstat (limited to 'include/utils/AndroidUnicode.h')
| -rw-r--r-- | include/utils/AndroidUnicode.h | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/include/utils/AndroidUnicode.h b/include/utils/AndroidUnicode.h deleted file mode 100644 index 563fcd0..0000000 --- a/include/utils/AndroidUnicode.h +++ /dev/null @@ -1,255 +0,0 @@ -/* - * Copyright (C) 2006 The Android Open Source Project - * - * 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. - */ - -// - -#ifndef ANDROID_UNICODE_H -#define ANDROID_UNICODE_H - -#include <stdint.h> -#include <sys/types.h> - -#define REPLACEMENT_CHAR (0xFFFD) - -// this part of code is copied from umachine.h under ICU -/** - * Define UChar32 as a type for single Unicode code points. - * UChar32 is a signed 32-bit integer (same as int32_t). - * - * The Unicode code point range is 0..0x10ffff. - * All other values (negative or >=0x110000) are illegal as Unicode code points. - * They may be used as sentinel values to indicate "done", "error" - * or similar non-code point conditions. - * - * @stable ICU 2.4 - */ -typedef int32_t UChar32; - -namespace android { - - class Encoding; - /** - * \class Unicode - * - * Helper class for getting properties of Unicode characters. Characters - * can have one of the types listed in CharType and each character can have the - * directionality of Direction. - */ - class Unicode - { - public: - /** - * Directions specified in the Unicode standard. These directions map directly - * to java.lang.Character. - */ - enum Direction { - DIRECTIONALITY_UNDEFINED = -1, - DIRECTIONALITY_LEFT_TO_RIGHT, - DIRECTIONALITY_RIGHT_TO_LEFT, - DIRECTIONALITY_RIGHT_TO_LEFT_ARABIC, - DIRECTIONALITY_EUROPEAN_NUMBER, - DIRECTIONALITY_EUROPEAN_NUMBER_SEPARATOR, - DIRECTIONALITY_EUROPEAN_NUMBER_TERMINATOR, - DIRECTIONALITY_ARABIC_NUMBER, - DIRECTIONALITY_COMMON_NUMBER_SEPARATOR, - DIRECTIONALITY_NONSPACING_MARK, - DIRECTIONALITY_BOUNDARY_NEUTRAL, - DIRECTIONALITY_PARAGRAPH_SEPARATOR, - DIRECTIONALITY_SEGMENT_SEPARATOR, - DIRECTIONALITY_WHITESPACE, - DIRECTIONALITY_OTHER_NEUTRALS, - DIRECTIONALITY_LEFT_TO_RIGHT_EMBEDDING, - DIRECTIONALITY_LEFT_TO_RIGHT_OVERRIDE, - DIRECTIONALITY_RIGHT_TO_LEFT_EMBEDDING, - DIRECTIONALITY_RIGHT_TO_LEFT_OVERRIDE, - DIRECTIONALITY_POP_DIRECTIONAL_FORMAT - }; - - /** - * Character types as specified in the Unicode standard. These map directly to - * java.lang.Character. - */ - enum CharType { - CHARTYPE_UNASSIGNED = 0, - CHARTYPE_UPPERCASE_LETTER, - CHARTYPE_LOWERCASE_LETTER, - CHARTYPE_TITLECASE_LETTER, - CHARTYPE_MODIFIER_LETTER, - CHARTYPE_OTHER_LETTER, - CHARTYPE_NON_SPACING_MARK, - CHARTYPE_ENCLOSING_MARK, - CHARTYPE_COMBINING_SPACING_MARK, - CHARTYPE_DECIMAL_DIGIT_NUMBER, - CHARTYPE_LETTER_NUMBER, - CHARTYPE_OTHER_NUMBER, - CHARTYPE_SPACE_SEPARATOR, - CHARTYPE_LINE_SEPARATOR, - CHARTYPE_PARAGRAPH_SEPARATOR, - CHARTYPE_CONTROL, - CHARTYPE_FORMAT, - CHARTYPE_MISSING_VALUE_FOR_JAVA, /* This is the mysterious missing 17 value from the java constants */ - CHARTYPE_PRIVATE_USE, - CHARTYPE_SURROGATE, - CHARTYPE_DASH_PUNCTUATION, - CHARTYPE_START_PUNCTUATION, - CHARTYPE_END_PUNCTUATION, - CHARTYPE_CONNECTOR_PUNCTUATION, - CHARTYPE_OTHER_PUNCTUATION, - CHARTYPE_MATH_SYMBOL, - CHARTYPE_CURRENCY_SYMBOL, - CHARTYPE_MODIFIER_SYMBOL, - CHARTYPE_OTHER_SYMBOL, - CHARTYPE_INITIAL_QUOTE_PUNCTUATION, - CHARTYPE_FINAL_QUOTE_PUNCTUATION - }; - - /** - * Decomposition types as described by the unicode standard. These values map to - * the same values in uchar.h in ICU. - */ - enum DecompositionType { - DECOMPOSITION_NONE = 0, - DECOMPOSITION_CANONICAL, - DECOMPOSITION_COMPAT, - DECOMPOSITION_CIRCLE, - DECOMPOSITION_FINAL, - DECOMPOSITION_FONT, - DECOMPOSITION_FRACTION, - DECOMPOSITION_INITIAL, - DECOMPOSITION_ISOLATED, - DECOMPOSITION_MEDIAL, - DECOMPOSITION_NARROW, - DECOMPOSITION_NOBREAK, - DECOMPOSITION_SMALL, - DECOMPOSITION_SQUARE, - DECOMPOSITION_SUB, - DECOMPOSITION_SUPER, - DECOMPOSITION_VERTICAL, - DECOMPOSITION_WIDE - }; - - /** - * Returns the packed data for java calls - * @param c The unicode character. - * @return The packed data for the character. - * - * Copied from java.lang.Character implementation: - * 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 - * F E D C B A 9 8 7 6 5 4 3 2 1 0 F E D C B A 9 8 7 6 5 4 3 2 1 0 - * - * 31 types --------- - * 18 directionalities --------- - * 2 mirroreds - - * ----------- 56 toupper diffs - * ----------- 48 tolower diffs - * --- 4 totitlecase diffs - * ------------- 84 numeric values - * --------- 24 mirror char diffs - */ - static uint32_t getPackedData(UChar32 c); - - /** - * Get the Character type. - * @param c The unicode character. - * @return The character's type or CHARTYPE_UNASSIGNED if the character is invalid - * or has an unassigned class. - */ - static CharType getType(UChar32 c); - - /** - * Get the Character's decomposition type. - * @param c The unicode character. - * @return The character's decomposition type or DECOMPOSITION_NONE is there - * is no decomposition. - */ - static DecompositionType getDecompositionType(UChar32 c); - - /** - * Returns the digit value of a character or -1 if the character - * is not within the specified radix. - * - * The digit value is computed for integer characters and letters - * within the given radix. This function does not handle Roman Numerals, - * fractions, or any other characters that may represent numbers. - * - * @param c The unicode character - * @param radix The intended radix. - * @return The digit value or -1 if there is no digit value or if the value is outside the radix. - */ - static int getDigitValue(UChar32 c, int radix = 10); - - /** - * Return the numeric value of a character - * - * @param c The unicode character. - * @return The numeric value of the character. -1 if the character has no numeric value, - * -2 if the character has a numeric value that is not representable by an integer. - */ - static int getNumericValue(UChar32 c); - - /** - * Convert the character to lowercase - * @param c The unicode character. - * @return The lowercase character equivalent of c. If c does not have a lowercase equivalent, - * the original character is returned. - */ - static UChar32 toLower(UChar32 c); - - /** - * Convert the character to uppercase - * @param c The unicode character. - * @return The uppercase character equivalent of c. If c does not have an uppercase equivalent, - * the original character is returned. - */ - static UChar32 toUpper(UChar32 c); - - /** - * Get the directionality of the character. - * @param c The unicode character. - * @return The direction of the character or DIRECTIONALITY_UNDEFINED. - */ - static Direction getDirectionality(UChar32 c); - - /** - * Check if the character is a mirrored character. This means that the character - * has an equivalent character that is the mirror image of itself. - * @param c The unicode character. - * @return True iff c has a mirror equivalent. - */ - static bool isMirrored(UChar32 c); - - /** - * Return the mirror of the given character. - * @param c The unicode character. - * @return The mirror equivalent of c. If c does not have a mirror equivalent, - * the original character is returned. - * @see isMirrored - */ - static UChar32 toMirror(UChar32 c); - - /** - * Convert the character to title case. - * @param c The unicode character. - * @return The titlecase equivalent of c. If c does not have a titlecase equivalent, - * the original character is returned. - */ - static UChar32 toTitle(UChar32 c); - - }; - -} - -#endif |