Move ICU headers from public/{common,i18n} to source/{common,i18n}

public/common/unicode/ushape.h

Index: public/common/unicode/ushape.h
diff --git a/public/common/unicode/ushape.h b/public/common/unicode/ushape.h
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-/*
-******************************************************************************
-*
-*   Copyright (C) 2000-2010, International Business Machines
-*   Corporation and others.  All Rights Reserved.
-*
-******************************************************************************
-*   file name:  ushape.h
-*   encoding:   US-ASCII
-*   tab size:   8 (not used)
-*   indentation:4
-*
-*   created on: 2000jun29
-*   created by: Markus W. Scherer
-*/
-
-#ifndef __USHAPE_H__
-#define __USHAPE_H__
-
-#include "unicode/utypes.h"
-
-/**
- * \file
- * \brief C API:  Arabic shaping
- * 
- */
-
-/**
- * Shape Arabic text on a character basis.
- *
- * <p>This function performs basic operations for "shaping" Arabic text. It is most
- * useful for use with legacy data formats and legacy display technology
- * (simple terminals). All operations are performed on Unicode characters.</p>
- *
- * <p>Text-based shaping means that some character code points in the text are
- * replaced by others depending on the context. It transforms one kind of text
- * into another. In comparison, modern displays for Arabic text select
- * appropriate, context-dependent font glyphs for each text element, which means
- * that they transform text into a glyph vector.</p>
- *
- * <p>Text transformations are necessary when modern display technology is not
- * available or when text needs to be transformed to or from legacy formats that
- * use "shaped" characters. Since the Arabic script is cursive, connecting
- * adjacent letters to each other, computers select images for each letter based
- * on the surrounding letters. This usually results in four images per Arabic
- * letter: initial, middle, final, and isolated forms. In Unicode, on the other
- * hand, letters are normally stored abstract, and a display system is expected
- * to select the necessary glyphs. (This makes searching and other text
- * processing easier because the same letter has only one code.) It is possible
- * to mimic this with text transformations because there are characters in
- * Unicode that are rendered as letters with a specific shape
- * (or cursive connectivity). They were included for interoperability with
- * legacy systems and codepages, and for unsophisticated display systems.</p>
- *
- * <p>A second kind of text transformations is supported for Arabic digits:
- * For compatibility with legacy codepages that only include European digits,
- * it is possible to replace one set of digits by another, changing the
- * character code points. These operations can be performed for either
- * Arabic-Indic Digits (U+0660...U+0669) or Eastern (Extended) Arabic-Indic
- * digits (U+06f0...U+06f9).</p>
- *
- * <p>Some replacements may result in more or fewer characters (code points).
- * By default, this means that the destination buffer may receive text with a
- * length different from the source length. Some legacy systems rely on the
- * length of the text to be constant. They expect extra spaces to be added
- * or consumed either next to the affected character or at the end of the
- * text.</p>
- *
- * <p>For details about the available operations, see the description of the
- * <code>U_SHAPE_...</code> options.</p>
- *
- * @param source The input text.
- *
- * @param sourceLength The number of UChars in <code>source</code>.
- *
- * @param dest The destination buffer that will receive the results of the
- *             requested operations. It may be <code>NULL</code> only if
- *             <code>destSize</code> is 0. The source and destination must not
- *             overlap.
- *
- * @param destSize The size (capacity) of the destination buffer in UChars.
- *                 If <code>destSize</code> is 0, then no output is produced,
- *                 but the necessary buffer size is returned ("preflighting").
- *
- * @param options This is a 32-bit set of flags that specify the operations
- *                that are performed on the input text. If no error occurs,
- *                then the result will always be written to the destination
- *                buffer.
- *
- * @param pErrorCode must be a valid pointer to an error code value,
- *        which must not indicate a failure before the function call.
- *
- * @return The number of UChars written to the destination buffer.
- *         If an error occured, then no output was written, or it may be
- *         incomplete. If <code>U_BUFFER_OVERFLOW_ERROR</code> is set, then
- *         the return value indicates the necessary destination buffer size.
- * @stable ICU 2.0
- */
-U_STABLE int32_t U_EXPORT2
-u_shapeArabic(const UChar *source, int32_t sourceLength,
-              UChar *dest, int32_t destSize,
-              uint32_t options,
-              UErrorCode *pErrorCode);
-
-/**
- * Memory option: allow the result to have a different length than the source.
- * Affects: LamAlef options
- * @stable ICU 2.0
- */
-#define U_SHAPE_LENGTH_GROW_SHRINK              0
-
-/**
- * Memory option: allow the result to have a different length than the source.
- * Affects: LamAlef options
- * This option is an alias to U_SHAPE_LENGTH_GROW_SHRINK
- * @stable ICU 4.2
- */
-#define U_SHAPE_LAMALEF_RESIZE                  0 
-
-/**
- * Memory option: the result must have the same length as the source.
- * If more room is necessary, then try to consume spaces next to modified characters.
- * @stable ICU 2.0
- */
-#define U_SHAPE_LENGTH_FIXED_SPACES_NEAR        1
-
-/**
- * Memory option: the result must have the same length as the source.
- * If more room is necessary, then try to consume spaces next to modified characters.
- * Affects: LamAlef options
- * This option is an alias to U_SHAPE_LENGTH_FIXED_SPACES_NEAR
- * @stable ICU 4.2
- */
-#define U_SHAPE_LAMALEF_NEAR                    1 
-
-/**
- * Memory option: the result must have the same length as the source.
- * If more room is necessary, then try to consume spaces at the end of the text.
- * @stable ICU 2.0
- */
-#define U_SHAPE_LENGTH_FIXED_SPACES_AT_END      2
-
-/**
- * Memory option: the result must have the same length as the source.
- * If more room is necessary, then try to consume spaces at the end of the text.
- * Affects: LamAlef options
- * This option is an alias to U_SHAPE_LENGTH_FIXED_SPACES_AT_END
- * @stable ICU 4.2
- */
-#define U_SHAPE_LAMALEF_END                     2 
-
-/**
- * Memory option: the result must have the same length as the source.
- * If more room is necessary, then try to consume spaces at the beginning of the text.
- * @stable ICU 2.0
- */
-#define U_SHAPE_LENGTH_FIXED_SPACES_AT_BEGINNING 3
-
-/**
- * Memory option: the result must have the same length as the source.
- * If more room is necessary, then try to consume spaces at the beginning of the text.
- * Affects: LamAlef options
- * This option is an alias to U_SHAPE_LENGTH_FIXED_SPACES_AT_BEGINNING
- * @stable ICU 4.2
- */
-#define U_SHAPE_LAMALEF_BEGIN                    3 
-
-
-/**
- * Memory option: the result must have the same length as the source.
- * Shaping Mode: For each LAMALEF character found, expand LAMALEF using space at end.
- *               If there is no space at end, use spaces at beginning of the buffer. If there
- *               is no space at beginning of the buffer, use spaces at the near (i.e. the space
- *               after the LAMALEF character).
- *               If there are no spaces found, an error U_NO_SPACE_AVAILABLE (as defined in utypes.h) 
- *               will be set in pErrorCode
- *
- * Deshaping Mode: Perform the same function as the flag equals U_SHAPE_LAMALEF_END. 
- * Affects: LamAlef options
- * @stable ICU 4.2
- */
-#define U_SHAPE_LAMALEF_AUTO                     0x10000 
-
-/** Bit mask for memory options. @stable ICU 2.0 */
-#define U_SHAPE_LENGTH_MASK                      0x10003 /* Changed old value 3 */
-
-
-/**
- * Bit mask for LamAlef memory options.
- * @stable ICU 4.2
- */
-#define U_SHAPE_LAMALEF_MASK                     0x10003 /* updated */
-
-/** Direction indicator: the source is in logical (keyboard) order. @stable ICU 2.0 */
-#define U_SHAPE_TEXT_DIRECTION_LOGICAL          0
-
-/**
- * Direction indicator:
- * the source is in visual RTL order,
- * the rightmost displayed character stored first.
- * This option is an alias to U_SHAPE_TEXT_DIRECTION_LOGICAL
- * @stable ICU 4.2
- */
-#define U_SHAPE_TEXT_DIRECTION_VISUAL_RTL       0
-
-/**
- * Direction indicator:
- * the source is in visual LTR order,
- * the leftmost displayed character stored first.
- * @stable ICU 2.0
- */
-#define U_SHAPE_TEXT_DIRECTION_VISUAL_LTR       4
-
-/** Bit mask for direction indicators. @stable ICU 2.0 */
-#define U_SHAPE_TEXT_DIRECTION_MASK             4
-
-
-/** Letter shaping option: do not perform letter shaping. @stable ICU 2.0 */
-#define U_SHAPE_LETTERS_NOOP                    0
-
-/** Letter shaping option: replace abstract letter characters by "shaped" ones. @stable ICU 2.0 */
-#define U_SHAPE_LETTERS_SHAPE                   8
-
-/** Letter shaping option: replace "shaped" letter characters by abstract ones. @stable ICU 2.0 */
-#define U_SHAPE_LETTERS_UNSHAPE                 0x10
-
-/**
- * Letter shaping option: replace abstract letter characters by "shaped" ones.
- * The only difference with U_SHAPE_LETTERS_SHAPE is that Tashkeel letters
- * are always "shaped" into the isolated form instead of the medial form
- * (selecting code points from the Arabic Presentation Forms-B block).
- * @stable ICU 2.0
- */
-#define U_SHAPE_LETTERS_SHAPE_TASHKEEL_ISOLATED 0x18
-
-
-/** Bit mask for letter shaping options. @stable ICU 2.0 */
-#define U_SHAPE_LETTERS_MASK                        0x18
-
-
-/** Digit shaping option: do not perform digit shaping. @stable ICU 2.0 */
-#define U_SHAPE_DIGITS_NOOP                     0
-
-/**
- * Digit shaping option:
- * Replace European digits (U+0030...) by Arabic-Indic digits.
- * @stable ICU 2.0
- */
-#define U_SHAPE_DIGITS_EN2AN                    0x20
-
-/**
- * Digit shaping option:
- * Replace Arabic-Indic digits by European digits (U+0030...).
- * @stable ICU 2.0
- */
-#define U_SHAPE_DIGITS_AN2EN                    0x40
-
-/**
- * Digit shaping option:
- * Replace European digits (U+0030...) by Arabic-Indic digits if the most recent
- * strongly directional character is an Arabic letter
- * (<code>u_charDirection()</code> result <code>U_RIGHT_TO_LEFT_ARABIC</code> [AL]).<br>
- * The direction of "preceding" depends on the direction indicator option.
- * For the first characters, the preceding strongly directional character
- * (initial state) is assumed to be not an Arabic letter
- * (it is <code>U_LEFT_TO_RIGHT</code> [L] or <code>U_RIGHT_TO_LEFT</code> [R]).
- * @stable ICU 2.0
- */
-#define U_SHAPE_DIGITS_ALEN2AN_INIT_LR          0x60
-
-/**
- * Digit shaping option:
- * Replace European digits (U+0030...) by Arabic-Indic digits if the most recent
- * strongly directional character is an Arabic letter
- * (<code>u_charDirection()</code> result <code>U_RIGHT_TO_LEFT_ARABIC</code> [AL]).<br>
- * The direction of "preceding" depends on the direction indicator option.
- * For the first characters, the preceding strongly directional character
- * (initial state) is assumed to be an Arabic letter.
- * @stable ICU 2.0
- */
-#define U_SHAPE_DIGITS_ALEN2AN_INIT_AL          0x80
-
-/** Not a valid option value. May be replaced by a new option. @stable ICU 2.0 */
-#define U_SHAPE_DIGITS_RESERVED                 0xa0
-
-/** Bit mask for digit shaping options. @stable ICU 2.0 */
-#define U_SHAPE_DIGITS_MASK                     0xe0
-
-
-/** Digit type option: Use Arabic-Indic digits (U+0660...U+0669). @stable ICU 2.0 */
-#define U_SHAPE_DIGIT_TYPE_AN                   0
-
-/** Digit type option: Use Eastern (Extended) Arabic-Indic digits (U+06f0...U+06f9). @stable ICU 2.0 */
-#define U_SHAPE_DIGIT_TYPE_AN_EXTENDED          0x100
-
-/** Not a valid option value. May be replaced by a new option. @stable ICU 2.0 */
-#define U_SHAPE_DIGIT_TYPE_RESERVED             0x200
-
-/** Bit mask for digit type options. @stable ICU 2.0 */
-#define U_SHAPE_DIGIT_TYPE_MASK                 0x300 /* I need to change this from 0x3f00 to 0x300 */
-
-/** 
- * Tashkeel aggregation option:
- * Replaces any combination of U+0651 with one of
- * U+064C, U+064D, U+064E, U+064F, U+0650 with
- * U+FC5E, U+FC5F, U+FC60, U+FC61, U+FC62 consecutively.
- * @stable ICU 3.6
- */
-#define U_SHAPE_AGGREGATE_TASHKEEL              0x4000
-/** Tashkeel aggregation option: do not aggregate tashkeels. @stable ICU 3.6 */
-#define U_SHAPE_AGGREGATE_TASHKEEL_NOOP         0
-/** Bit mask for tashkeel aggregation. @stable ICU 3.6 */
-#define U_SHAPE_AGGREGATE_TASHKEEL_MASK         0x4000
-
-/** 
- * Presentation form option:
- * Don't replace Arabic Presentation Forms-A and Arabic Presentation Forms-B
- * characters with 0+06xx characters, before shaping.
- * @stable ICU 3.6
- */
-#define U_SHAPE_PRESERVE_PRESENTATION           0x8000
-/** Presentation form option: 
- * Replace Arabic Presentation Forms-A and Arabic Presentationo Forms-B with 
- * their unshaped correspondants in range 0+06xx, before shaping.
- * @stable ICU 3.6 
- */
-#define U_SHAPE_PRESERVE_PRESENTATION_NOOP      0
-/** Bit mask for preserve presentation form. @stable ICU 3.6 */
-#define U_SHAPE_PRESERVE_PRESENTATION_MASK      0x8000
-
-/* Seen Tail option */ 
-/**
- * Memory option: the result must have the same length as the source.
- * Shaping mode: The SEEN family character will expand into two characters using space near 
- *               the SEEN family character(i.e. the space after the character).
- *               If there are no spaces found, an error U_NO_SPACE_AVAILABLE (as defined in utypes.h) 
- *               will be set in pErrorCode
- *
- * De-shaping mode: Any Seen character followed by Tail character will be
- *                  replaced by one cell Seen and a space will replace the Tail.
- * Affects: Seen options
- * @stable ICU 4.2
- */
-#define U_SHAPE_SEEN_TWOCELL_NEAR     0x200000
-
-/**
- * Bit mask for Seen memory options. 
- * @stable ICU 4.2
- */
-#define U_SHAPE_SEEN_MASK             0x700000
-
-/* YehHamza option */ 
-/**
- * Memory option: the result must have the same length as the source.
- * Shaping mode: The YEHHAMZA character will expand into two characters using space near it 
- *              (i.e. the space after the character
- *               If there are no spaces found, an error U_NO_SPACE_AVAILABLE (as defined in utypes.h) 
- *               will be set in pErrorCode
- *
- * De-shaping mode: Any Yeh (final or isolated) character followed by Hamza character will be
- *                  replaced by one cell YehHamza and space will replace the Hamza.
- * Affects: YehHamza options
- * @stable ICU 4.2
- */
-#define U_SHAPE_YEHHAMZA_TWOCELL_NEAR      0x1000000
-
-
-/**
- * Bit mask for YehHamza memory options. 
- * @stable ICU 4.2
- */
-#define U_SHAPE_YEHHAMZA_MASK              0x3800000
-
-/* New Tashkeel options */ 
-/**
- * Memory option: the result must have the same length as the source.
- * Shaping mode: Tashkeel characters will be replaced by spaces. 
- *               Spaces will be placed at beginning of the buffer
- *
- * De-shaping mode: N/A
- * Affects: Tashkeel options
- * @stable ICU 4.2
- */
-#define U_SHAPE_TASHKEEL_BEGIN                      0x40000
-
-/**
- * Memory option: the result must have the same length as the source.
- * Shaping mode: Tashkeel characters will be replaced by spaces. 
- *               Spaces will be placed at end of the buffer
- *
- * De-shaping mode: N/A
- * Affects: Tashkeel options
- * @stable ICU 4.2
- */
-#define U_SHAPE_TASHKEEL_END                        0x60000
-
-/**
- * Memory option: allow the result to have a different length than the source.
- * Shaping mode: Tashkeel characters will be removed, buffer length will shrink. 
- * De-shaping mode: N/A 
- *
- * Affect: Tashkeel options
- * @stable ICU 4.2
- */
-#define U_SHAPE_TASHKEEL_RESIZE                     0x80000
-
-/**
- * Memory option: the result must have the same length as the source.
- * Shaping mode: Tashkeel characters will be replaced by Tatweel if it is connected to adjacent
- *               characters (i.e. shaped on Tatweel) or replaced by space if it is not connected.
- *
- * De-shaping mode: N/A
- * Affects: YehHamza options
- * @stable ICU 4.2
- */
-#define U_SHAPE_TASHKEEL_REPLACE_BY_TATWEEL         0xC0000
-
-/** 
- * Bit mask for Tashkeel replacement with Space or Tatweel memory options. 
- * @stable ICU 4.2
- */
-#define U_SHAPE_TASHKEEL_MASK                       0xE0000
-
-
-/* Space location Control options */ 
-/**
- * This option affect the meaning of BEGIN and END options. if this option is not used the default
- * for BEGIN and END will be as following: 
- * The Default (for both Visual LTR, Visual RTL and Logical Text)
- *           1. BEGIN always refers to the start address of physical memory.
- *           2. END always refers to the end address of physical memory.
- *
- * If this option is used it will swap the meaning of BEGIN and END only for Visual LTR text. 
- *
- * The effect on BEGIN and END Memory Options will be as following:
- *    A. BEGIN For Visual LTR text: This will be the beginning (right side) of the visual text(
- *       corresponding to the physical memory address end for Visual LTR text, Same as END in 
- *       default behavior)
- *    B. BEGIN For Logical text: Same as BEGIN in default behavior. 
- *    C. END For Visual LTR text: This will be the end (left side) of the visual text (corresponding
- *       to the physical memory address beginning for Visual LTR text, Same as BEGIN in default behavior.
- *    D. END For Logical text: Same as END in default behavior). 
- * Affects: All LamAlef BEGIN, END and AUTO options.
- * @stable ICU 4.2
- */
-#define U_SHAPE_SPACES_RELATIVE_TO_TEXT_BEGIN_END 0x4000000
-
-/**
- * Bit mask for swapping BEGIN and END for Visual LTR text 
- * @stable ICU 4.2
- */
-#define U_SHAPE_SPACES_RELATIVE_TO_TEXT_MASK      0x4000000
-
-/**
- * If this option is used, shaping will use the new Unicode code point for TAIL (i.e. 0xFE73). 
- * If this option is not specified (Default), old unofficial Unicode TAIL code point is used (i.e. 0x200B)
- * De-shaping will not use this option as it will always search for both the new Unicode code point for the 
- * TAIL (i.e. 0xFE73) or the old unofficial Unicode TAIL code point (i.e. 0x200B) and de-shape the
- * Seen-Family letter accordingly.
- *
- * Shaping Mode: Only shaping.
- * De-shaping Mode: N/A.
- * Affects: All Seen options
- * @draft ICU 4.2
- */
-#define SHAPE_TAIL_NEW_UNICODE        0x8000000
-
-/**
- * Bit mask for new Unicode Tail option 
- * @draft ICU 4.2
- */
-#define SHAPE_TAIL_TYPE_MASK          0x8000000
-
-#endif