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00017 #ifndef UBIDI_H
00018 #define UBIDI_H
00019
00020 #include "unicode/utypes.h"
00021 #include "unicode/uchar.h"
00022
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00301
00344 typedef uint8_t UBiDiLevel;
00345
00350 #define UBIDI_DEFAULT_LTR 0xfe
00351
00356 #define UBIDI_DEFAULT_RTL 0xff
00357
00363 #define UBIDI_MAX_EXPLICIT_LEVEL 61
00364
00369 #define UBIDI_LEVEL_OVERRIDE 0x80
00370
00375 enum UBiDiDirection {
00377 UBIDI_LTR,
00379 UBIDI_RTL,
00381 UBIDI_MIXED
00382 };
00383
00385 typedef enum UBiDiDirection UBiDiDirection;
00386
00397 struct UBiDi;
00398
00400 typedef struct UBiDi UBiDi;
00401
00416 U_STABLE UBiDi * U_EXPORT2
00417 ubidi_open(void);
00418
00454 U_STABLE UBiDi * U_EXPORT2
00455 ubidi_openSized(int32_t maxLength, int32_t maxRunCount, UErrorCode *pErrorCode);
00456
00477 U_STABLE void U_EXPORT2
00478 ubidi_close(UBiDi *pBiDi);
00479
00516 U_STABLE void U_EXPORT2
00517 ubidi_setInverse(UBiDi *pBiDi, UBool isInverse);
00518
00528 U_STABLE UBool U_EXPORT2
00529 ubidi_isInverse(UBiDi *pBiDi);
00530
00602 U_STABLE void U_EXPORT2
00603 ubidi_setPara(UBiDi *pBiDi, const UChar *text, int32_t length,
00604 UBiDiLevel paraLevel, UBiDiLevel *embeddingLevels,
00605 UErrorCode *pErrorCode);
00606
00650 U_STABLE void U_EXPORT2
00651 ubidi_setLine(const UBiDi *pParaBiDi,
00652 int32_t start, int32_t limit,
00653 UBiDi *pLineBiDi,
00654 UErrorCode *pErrorCode);
00655
00668 U_STABLE UBiDiDirection U_EXPORT2
00669 ubidi_getDirection(const UBiDi *pBiDi);
00670
00682 U_STABLE const UChar * U_EXPORT2
00683 ubidi_getText(const UBiDi *pBiDi);
00684
00693 U_STABLE int32_t U_EXPORT2
00694 ubidi_getLength(const UBiDi *pBiDi);
00695
00706 U_STABLE UBiDiLevel U_EXPORT2
00707 ubidi_getParaLevel(const UBiDi *pBiDi);
00708
00721 U_STABLE UBiDiLevel U_EXPORT2
00722 ubidi_getLevelAt(const UBiDi *pBiDi, int32_t charIndex);
00723
00741 U_STABLE const UBiDiLevel * U_EXPORT2
00742 ubidi_getLevels(UBiDi *pBiDi, UErrorCode *pErrorCode);
00743
00766 U_STABLE void U_EXPORT2
00767 ubidi_getLogicalRun(const UBiDi *pBiDi, int32_t logicalStart,
00768 int32_t *pLogicalLimit, UBiDiLevel *pLevel);
00769
00786 U_STABLE int32_t U_EXPORT2
00787 ubidi_countRuns(UBiDi *pBiDi, UErrorCode *pErrorCode);
00788
00840 U_STABLE UBiDiDirection U_EXPORT2
00841 ubidi_getVisualRun(UBiDi *pBiDi, int32_t runIndex,
00842 int32_t *pLogicalStart, int32_t *pLength);
00843
00867 U_STABLE int32_t U_EXPORT2
00868 ubidi_getVisualIndex(UBiDi *pBiDi, int32_t logicalIndex, UErrorCode *pErrorCode);
00869
00891 U_STABLE int32_t U_EXPORT2
00892 ubidi_getLogicalIndex(UBiDi *pBiDi, int32_t visualIndex, UErrorCode *pErrorCode);
00893
00912 U_STABLE void U_EXPORT2
00913 ubidi_getLogicalMap(UBiDi *pBiDi, int32_t *indexMap, UErrorCode *pErrorCode);
00914
00933 U_STABLE void U_EXPORT2
00934 ubidi_getVisualMap(UBiDi *pBiDi, int32_t *indexMap, UErrorCode *pErrorCode);
00935
00956 U_STABLE void U_EXPORT2
00957 ubidi_reorderLogical(const UBiDiLevel *levels, int32_t length, int32_t *indexMap);
00958
00979 U_STABLE void U_EXPORT2
00980 ubidi_reorderVisual(const UBiDiLevel *levels, int32_t length, int32_t *indexMap);
00981
00996 U_STABLE void U_EXPORT2
00997 ubidi_invertMap(const int32_t *srcMap, int32_t *destMap, int32_t length);
00998
01008 #define UBIDI_KEEP_BASE_COMBINING 1
01009
01018 #define UBIDI_DO_MIRRORING 2
01019
01029 #define UBIDI_INSERT_LRM_FOR_NUMERIC 4
01030
01039 #define UBIDI_REMOVE_BIDI_CONTROLS 8
01040
01055 #define UBIDI_OUTPUT_REVERSE 16
01056
01126 U_STABLE int32_t U_EXPORT2
01127 ubidi_writeReordered(UBiDi *pBiDi,
01128 UChar *dest, int32_t destSize,
01129 uint16_t options,
01130 UErrorCode *pErrorCode);
01131
01179 U_STABLE int32_t U_EXPORT2
01180 ubidi_writeReverse(const UChar *src, int32_t srcLength,
01181 UChar *dest, int32_t destSize,
01182 uint16_t options,
01183 UErrorCode *pErrorCode);
01184
01185
01188 #endif