ubidi.h

Go to the documentation of this file.
00001 /*
00002 ******************************************************************************
00003 *
00004 *   Copyright (C) 1999-2008, International Business Machines
00005 *   Corporation and others.  All Rights Reserved.
00006 *
00007 ******************************************************************************
00008 *   file name:  ubidi.h
00009 *   encoding:   US-ASCII
00010 *   tab size:   8 (not used)
00011 *   indentation:4
00012 *
00013 *   created on: 1999jul27
00014 *   created by: Markus W. Scherer, updated by Matitiahu Allouche
00015 */
00016 
00017 #ifndef UBIDI_H
00018 #define UBIDI_H
00019 
00020 #include "unicode/utypes.h"
00021 #include "unicode/uchar.h"
00022 
00287 /*DOCXX_TAG*/
00330 typedef uint8_t UBiDiLevel;
00331 
00356 #define UBIDI_DEFAULT_LTR 0xfe
00357 
00383 #define UBIDI_DEFAULT_RTL 0xff
00384 
00390 #define UBIDI_MAX_EXPLICIT_LEVEL 61
00391 
00396 #define UBIDI_LEVEL_OVERRIDE 0x80
00397 
00411 #define UBIDI_MAP_NOWHERE   (-1)
00412 
00417 enum UBiDiDirection {
00419     UBIDI_LTR,
00421     UBIDI_RTL,
00423     UBIDI_MIXED
00424 };
00425 
00427 typedef enum UBiDiDirection UBiDiDirection;
00428 
00439 struct UBiDi;
00440 
00442 typedef struct UBiDi UBiDi;
00443 
00459 U_STABLE UBiDi * U_EXPORT2
00460 ubidi_open(void);
00461 
00496 U_STABLE UBiDi * U_EXPORT2
00497 ubidi_openSized(int32_t maxLength, int32_t maxRunCount, UErrorCode *pErrorCode);
00498 
00519 U_STABLE void U_EXPORT2
00520 ubidi_close(UBiDi *pBiDi);
00521 
00570 U_STABLE void U_EXPORT2
00571 ubidi_setInverse(UBiDi *pBiDi, UBool isInverse);
00572 
00589 U_STABLE UBool U_EXPORT2
00590 ubidi_isInverse(UBiDi *pBiDi);
00591 
00612 U_STABLE void U_EXPORT2
00613 ubidi_orderParagraphsLTR(UBiDi *pBiDi, UBool orderParagraphsLTR);
00614 
00626 U_STABLE UBool U_EXPORT2
00627 ubidi_isOrderParagraphsLTR(UBiDi *pBiDi);
00628 
00636 typedef enum UBiDiReorderingMode {
00640     UBIDI_REORDER_DEFAULT = 0,
00644     UBIDI_REORDER_NUMBERS_SPECIAL,
00648     UBIDI_REORDER_GROUP_NUMBERS_WITH_R,
00656     UBIDI_REORDER_RUNS_ONLY,
00661     UBIDI_REORDER_INVERSE_NUMBERS_AS_L,
00665     UBIDI_REORDER_INVERSE_LIKE_DIRECT,
00669     UBIDI_REORDER_INVERSE_FOR_NUMBERS_SPECIAL,
00672     UBIDI_REORDER_COUNT
00673 } UBiDiReorderingMode;
00674 
00828 U_STABLE void U_EXPORT2
00829 ubidi_setReorderingMode(UBiDi *pBiDi, UBiDiReorderingMode reorderingMode);
00830 
00839 U_STABLE UBiDiReorderingMode U_EXPORT2
00840 ubidi_getReorderingMode(UBiDi *pBiDi);
00841 
00849 typedef enum UBiDiReorderingOption {
00856     UBIDI_OPTION_DEFAULT = 0,
00857 
00902     UBIDI_OPTION_INSERT_MARKS = 1,
00903 
00920     UBIDI_OPTION_REMOVE_CONTROLS = 2,
00921 
00968     UBIDI_OPTION_STREAMING = 4
00969 } UBiDiReorderingOption;
00970 
00984 U_STABLE void U_EXPORT2
00985 ubidi_setReorderingOptions(UBiDi *pBiDi, uint32_t reorderingOptions);
00986 
00995 U_STABLE uint32_t U_EXPORT2
00996 ubidi_getReorderingOptions(UBiDi *pBiDi);
00997 
01075 U_STABLE void U_EXPORT2
01076 ubidi_setPara(UBiDi *pBiDi, const UChar *text, int32_t length,
01077               UBiDiLevel paraLevel, UBiDiLevel *embeddingLevels,
01078               UErrorCode *pErrorCode);
01079 
01126 U_STABLE void U_EXPORT2
01127 ubidi_setLine(const UBiDi *pParaBiDi,
01128               int32_t start, int32_t limit,
01129               UBiDi *pLineBiDi,
01130               UErrorCode *pErrorCode);
01131 
01146 U_STABLE UBiDiDirection U_EXPORT2
01147 ubidi_getDirection(const UBiDi *pBiDi);
01148 
01160 U_STABLE const UChar * U_EXPORT2
01161 ubidi_getText(const UBiDi *pBiDi);
01162 
01171 U_STABLE int32_t U_EXPORT2
01172 ubidi_getLength(const UBiDi *pBiDi);
01173 
01189 U_STABLE UBiDiLevel U_EXPORT2
01190 ubidi_getParaLevel(const UBiDi *pBiDi);
01191 
01200 U_STABLE int32_t U_EXPORT2
01201 ubidi_countParagraphs(UBiDi *pBiDi);
01202 
01237 U_STABLE int32_t U_EXPORT2
01238 ubidi_getParagraph(const UBiDi *pBiDi, int32_t charIndex, int32_t *pParaStart,
01239                    int32_t *pParaLimit, UBiDiLevel *pParaLevel,
01240                    UErrorCode *pErrorCode);
01241 
01269 U_STABLE void U_EXPORT2
01270 ubidi_getParagraphByIndex(const UBiDi *pBiDi, int32_t paraIndex,
01271                           int32_t *pParaStart, int32_t *pParaLimit,
01272                           UBiDiLevel *pParaLevel, UErrorCode *pErrorCode);
01273 
01289 U_STABLE UBiDiLevel U_EXPORT2
01290 ubidi_getLevelAt(const UBiDi *pBiDi, int32_t charIndex);
01291 
01310 U_STABLE const UBiDiLevel * U_EXPORT2
01311 ubidi_getLevels(UBiDi *pBiDi, UErrorCode *pErrorCode);
01312 
01337 U_STABLE void U_EXPORT2
01338 ubidi_getLogicalRun(const UBiDi *pBiDi, int32_t logicalPosition,
01339                     int32_t *pLogicalLimit, UBiDiLevel *pLevel);
01340 
01356 U_STABLE int32_t U_EXPORT2
01357 ubidi_countRuns(UBiDi *pBiDi, UErrorCode *pErrorCode);
01358 
01414 U_STABLE UBiDiDirection U_EXPORT2
01415 ubidi_getVisualRun(UBiDi *pBiDi, int32_t runIndex,
01416                    int32_t *pLogicalStart, int32_t *pLength);
01417 
01455 U_STABLE int32_t U_EXPORT2
01456 ubidi_getVisualIndex(UBiDi *pBiDi, int32_t logicalIndex, UErrorCode *pErrorCode);
01457 
01490 U_STABLE int32_t U_EXPORT2
01491 ubidi_getLogicalIndex(UBiDi *pBiDi, int32_t visualIndex, UErrorCode *pErrorCode);
01492 
01533 U_STABLE void U_EXPORT2
01534 ubidi_getLogicalMap(UBiDi *pBiDi, int32_t *indexMap, UErrorCode *pErrorCode);
01535 
01569 U_STABLE void U_EXPORT2
01570 ubidi_getVisualMap(UBiDi *pBiDi, int32_t *indexMap, UErrorCode *pErrorCode);
01571 
01592 U_STABLE void U_EXPORT2
01593 ubidi_reorderLogical(const UBiDiLevel *levels, int32_t length, int32_t *indexMap);
01594 
01615 U_STABLE void U_EXPORT2
01616 ubidi_reorderVisual(const UBiDiLevel *levels, int32_t length, int32_t *indexMap);
01617 
01650 U_STABLE void U_EXPORT2
01651 ubidi_invertMap(const int32_t *srcMap, int32_t *destMap, int32_t length);
01652 
01662 #define UBIDI_KEEP_BASE_COMBINING       1
01663 
01672 #define UBIDI_DO_MIRRORING              2
01673 
01686 #define UBIDI_INSERT_LRM_FOR_NUMERIC    4
01687 
01699 #define UBIDI_REMOVE_BIDI_CONTROLS      8
01700 
01715 #define UBIDI_OUTPUT_REVERSE            16
01716 
01755 U_STABLE int32_t U_EXPORT2
01756 ubidi_getProcessedLength(const UBiDi *pBiDi);
01757 
01785 U_STABLE int32_t U_EXPORT2
01786 ubidi_getResultLength(const UBiDi *pBiDi);
01787 
01788 U_CDECL_BEGIN
01795 #define U_BIDI_CLASS_DEFAULT  U_CHAR_DIRECTION_COUNT
01796 
01817 typedef UCharDirection U_CALLCONV
01818 UBiDiClassCallback(const void *context, UChar32 c);
01819 
01820 U_CDECL_END
01821 
01837 U_STABLE UCharDirection U_EXPORT2
01838 ubidi_getCustomizedClass(UBiDi *pBiDi, UChar32 c);
01839 
01867 U_STABLE void U_EXPORT2
01868 ubidi_setClassCallback(UBiDi *pBiDi, UBiDiClassCallback *newFn,
01869                        const void *newContext, UBiDiClassCallback **oldFn,
01870                        const void **oldContext, UErrorCode *pErrorCode);
01871 
01884 U_STABLE void U_EXPORT2
01885 ubidi_getClassCallback(UBiDi *pBiDi, UBiDiClassCallback **fn, const void **context);
01886 
01952 U_STABLE int32_t U_EXPORT2
01953 ubidi_writeReordered(UBiDi *pBiDi,
01954                      UChar *dest, int32_t destSize,
01955                      uint16_t options,
01956                      UErrorCode *pErrorCode);
01957 
02004 U_STABLE int32_t U_EXPORT2
02005 ubidi_writeReverse(const UChar *src, int32_t srcLength,
02006                    UChar *dest, int32_t destSize,
02007                    uint16_t options,
02008                    UErrorCode *pErrorCode);
02009 
02010 /*#define BIDI_SAMPLE_CODE*/
02013 #endif

Generated on Sun Aug 22 15:43:58 2010 for ICU 4.0.1 by  doxygen 1.3.9.1