fontservices/textshaperplugin/IcuSource/common/uprops.h
changeset 0 1fb32624e06b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/textshaperplugin/IcuSource/common/uprops.h	Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,453 @@
+/*
+*******************************************************************************
+*
+*   Copyright (C) 2002-2005, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*   file name:  uprops.h
+*   encoding:   US-ASCII
+*   tab size:   8 (not used)
+*   indentation:4
+*
+*   created on: 2002feb24
+*   created by: Markus W. Scherer
+*
+*   Constants for mostly non-core Unicode character properties
+*   stored in uprops.icu.
+*/
+
+#ifndef __UPROPS_H__
+#define __UPROPS_H__
+
+#include "unicode/utypes.h"
+#include "unicode/uset.h"
+#include "uset_imp.h"
+#include "udataswp.h"
+
+/* indexes[] entries */
+enum {
+    UPROPS_PROPS32_INDEX,
+    UPROPS_EXCEPTIONS_INDEX,
+    UPROPS_EXCEPTIONS_TOP_INDEX,
+
+    UPROPS_ADDITIONAL_TRIE_INDEX,
+    UPROPS_ADDITIONAL_VECTORS_INDEX,
+    UPROPS_ADDITIONAL_VECTORS_COLUMNS_INDEX,
+
+    UPROPS_RESERVED_INDEX, /* 6 */
+
+    /* maximum values for code values in vector word 0 */
+    UPROPS_MAX_VALUES_INDEX=10,
+    /* maximum values for code values in vector word 2 */
+    UPROPS_MAX_VALUES_2_INDEX,
+
+    UPROPS_INDEX_COUNT=16
+};
+
+/* definitions for the main properties words */
+enum {
+    /* general category shift==0                                0 (5 bits) */
+    UPROPS_NUMERIC_TYPE_SHIFT=5,                            /*  5 (3 bits) */
+    UPROPS_NUMERIC_VALUE_SHIFT=8                            /*  8 (8 bits) */
+};
+
+#define GET_CATEGORY(props) ((props)&0x1f)
+#define CAT_MASK(props) U_MASK(GET_CATEGORY(props))
+
+#define GET_NUMERIC_TYPE(props) (((props)>>UPROPS_NUMERIC_TYPE_SHIFT)&7)
+#define GET_NUMERIC_VALUE(props) (((props)>>UPROPS_NUMERIC_VALUE_SHIFT)&0xff)
+
+/* internal numeric pseudo-types for special encodings of numeric values */
+enum {
+    UPROPS_NT_FRACTION=4, /* ==U_NT_COUNT, must not change unless binary format version changes */
+    UPROPS_NT_LARGE,
+    UPROPS_NT_COUNT
+};
+
+/* encoding of fractional and large numbers */
+enum {
+    UPROPS_MAX_SMALL_NUMBER=0xff,
+
+    UPROPS_FRACTION_NUM_SHIFT=3,        /* numerator: bits 7..3 */
+    UPROPS_FRACTION_DEN_MASK=7,         /* denominator: bits 2..0 */
+
+    UPROPS_FRACTION_MAX_NUM=31,
+    UPROPS_FRACTION_DEN_OFFSET=2,       /* denominator values are 2..9 */
+
+    UPROPS_FRACTION_MIN_DEN=UPROPS_FRACTION_DEN_OFFSET,
+    UPROPS_FRACTION_MAX_DEN=UPROPS_FRACTION_MIN_DEN+UPROPS_FRACTION_DEN_MASK,
+
+    UPROPS_LARGE_MANT_SHIFT=4,          /* mantissa: bits 7..4 */
+    UPROPS_LARGE_EXP_MASK=0xf,          /* exponent: bits 3..0 */
+    UPROPS_LARGE_EXP_OFFSET=2,          /* regular exponents 2..17 */
+    UPROPS_LARGE_EXP_OFFSET_EXTRA=18,   /* extra large exponents 18..33 */
+
+    UPROPS_LARGE_MIN_EXP=UPROPS_LARGE_EXP_OFFSET,
+    UPROPS_LARGE_MAX_EXP=UPROPS_LARGE_MIN_EXP+UPROPS_LARGE_EXP_MASK,
+    UPROPS_LARGE_MAX_EXP_EXTRA=UPROPS_LARGE_EXP_OFFSET_EXTRA+UPROPS_LARGE_EXP_MASK
+};
+
+/* number of properties vector words */
+#define UPROPS_VECTOR_WORDS     3
+
+/*
+ * Properties in vector word 0
+ * Bits
+ * 31..24   DerivedAge version major/minor one nibble each
+ * 23..18   Line Break
+ * 17..15   East Asian Width
+ * 14.. 7   UBlockCode
+ *  6.. 0   UScriptCode
+ */
+
+/* derived age: one nibble each for major and minor version numbers */
+#define UPROPS_AGE_MASK         0xff000000
+#define UPROPS_AGE_SHIFT        24
+
+#define UPROPS_LB_MASK          0x00FC0000
+#define UPROPS_LB_SHIFT         18
+
+#define UPROPS_EA_MASK          0x00038000
+#define UPROPS_EA_SHIFT         15
+
+#define UPROPS_BLOCK_MASK       0x00007f80
+#define UPROPS_BLOCK_SHIFT      7
+
+#define UPROPS_SCRIPT_MASK      0x0000007f
+
+/*
+ * Properties in vector word 1
+ * Each bit encodes one binary property.
+ * The following constants represent the bit number, use 1<<UPROPS_XYZ.
+ * UPROPS_BINARY_1_TOP<=32!
+ *
+ * Keep this list of property enums in sync with
+ * propListNames[] in icu/source/tools/genprops/props2.c!
+ *
+ * ICU 2.6/uprops format version 3.2 stores full properties instead of "Other_".
+ */
+enum {
+    UPROPS_WHITE_SPACE,
+        UPROPS_WAS_BIDI_CONTROL,                /* reserved, was used in format version 3 */
+        UPROPS_WAS_JOIN_CONTROL,
+    UPROPS_DASH,
+    UPROPS_HYPHEN,
+    UPROPS_QUOTATION_MARK,
+    UPROPS_TERMINAL_PUNCTUATION,
+    UPROPS_MATH,
+    UPROPS_HEX_DIGIT,
+    UPROPS_ASCII_HEX_DIGIT,
+    UPROPS_ALPHABETIC,
+    UPROPS_IDEOGRAPHIC,
+    UPROPS_DIACRITIC,
+    UPROPS_EXTENDER,
+        UPROPS_WAS_LOWERCASE,                   /* reserved, was used in format version 3 */
+        UPROPS_WAS_UPPERCASE,
+    UPROPS_NONCHARACTER_CODE_POINT,
+    UPROPS_GRAPHEME_EXTEND,
+    UPROPS_GRAPHEME_LINK,
+    UPROPS_IDS_BINARY_OPERATOR,
+    UPROPS_IDS_TRINARY_OPERATOR,
+    UPROPS_RADICAL,
+    UPROPS_UNIFIED_IDEOGRAPH,
+    UPROPS_DEFAULT_IGNORABLE_CODE_POINT,
+    UPROPS_DEPRECATED,
+        UPROPS_WAS_SOFT_DOTTED,                 /* reserved, was used in format version 3 */
+    UPROPS_LOGICAL_ORDER_EXCEPTION,
+    UPROPS_XID_START,
+    UPROPS_XID_CONTINUE,
+    UPROPS_ID_START,                            /* ICU 2.6, uprops format version 3.2 */
+    UPROPS_ID_CONTINUE,
+    UPROPS_GRAPHEME_BASE,
+    UPROPS_BINARY_1_TOP                         /* ==32 - full! */
+};
+
+/*
+ * Properties in vector word 2
+ * Bits
+ * 31..24   More binary properties
+ * 23..19   reserved
+ * 18..14   Sentence Break
+ * 13..10   Word Break
+ *  9.. 5   Grapheme Cluster Break
+ *  4.. 0   Decomposition Type
+ */
+#define UPROPS_SB_MASK          0x0007c000
+#define UPROPS_SB_SHIFT         14
+
+#define UPROPS_WB_MASK          0x00003c00
+#define UPROPS_WB_SHIFT         10
+
+#define UPROPS_GCB_MASK         0x000003e0
+#define UPROPS_GCB_SHIFT        5
+
+#define UPROPS_DT_MASK          0x0000001f
+
+enum {
+    UPROPS_V2_S_TERM=24,                        /* new in ICU 3.0 and Unicode 4.0.1 */
+    UPROPS_V2_VARIATION_SELECTOR,
+    UPROPS_V2_PATTERN_SYNTAX,                   /* new in ICU 3.4 and Unicode 4.1 */
+    UPROPS_V2_PATTERN_WHITE_SPACE,
+    UPROPS_V2_TOP                               /* must be <=32 */
+};
+
+/**
+ * Get a properties vector word for a code point.
+ * Implemented in uchar.c for uprops.c.
+ * column==-1 gets the 32-bit main properties word instead.
+ * @return 0 if no data or illegal argument
+ */
+U_CFUNC uint32_t
+u_getUnicodeProperties(UChar32 c, int32_t column);
+
+/**
+ * Get the the maximum values for some enum/int properties.
+ * Use the same column numbers as for u_getUnicodeProperties().
+ * The returned value will contain maximum values stored in the same bit fields
+ * as where the enum values are stored in the u_getUnicodeProperties()
+ * return values for the same columns.
+ *
+ * Valid columns are those for properties words that contain enumerated values.
+ * (ICU 2.6: columns 0 and 2)
+ * For other column numbers, this function will return 0.
+ *
+ * @internal
+ */
+U_CFUNC int32_t
+uprv_getMaxValues(int32_t column);
+
+/**
+ * Get the Hangul Syllable Type for c.
+ * @internal
+ */
+U_CFUNC UHangulSyllableType
+uchar_getHST(UChar32 c);
+
+/**
+ * Checks if c is alphabetic, or a decimal digit; implements UCHAR_POSIX_ALNUM.
+ * @internal
+ */
+U_CFUNC UBool
+u_isalnumPOSIX(UChar32 c);
+
+/**
+ * Checks if c is in
+ * [^\p{space}\p{gc=Control}\p{gc=Surrogate}\p{gc=Unassigned}]
+ * with space=\p{Whitespace} and Control=Cc.
+ * Implements UCHAR_POSIX_GRAPH.
+ * @internal
+ */
+U_CFUNC UBool
+u_isgraphPOSIX(UChar32 c);
+
+/**
+ * Checks if c is in \p{graph}\p{blank} - \p{cntrl}.
+ * Implements UCHAR_POSIX_PRINT.
+ * @internal
+ */
+U_CFUNC UBool
+u_isprintPOSIX(UChar32 c);
+
+/** Turn a bit index into a bit flag. @internal */
+#define FLAG(n) ((uint32_t)1<<(n))
+
+/** Flags for general categories in the order of UCharCategory. @internal */
+#define _Cn     FLAG(U_GENERAL_OTHER_TYPES)
+#define _Lu     FLAG(U_UPPERCASE_LETTER)
+#define _Ll     FLAG(U_LOWERCASE_LETTER)
+#define _Lt     FLAG(U_TITLECASE_LETTER)
+#define _Lm     FLAG(U_MODIFIER_LETTER)
+#define _Lo     FLAG(U_OTHER_LETTER)
+#define _Mn     FLAG(U_NON_SPACING_MARK)
+#define _Me     FLAG(U_ENCLOSING_MARK)
+#define _Mc     FLAG(U_COMBINING_SPACING_MARK)
+#define _Nd     FLAG(U_DECIMAL_DIGIT_NUMBER)
+#define _Nl     FLAG(U_LETTER_NUMBER)
+#define _No     FLAG(U_OTHER_NUMBER)
+#define _Zs     FLAG(U_SPACE_SEPARATOR)
+#define _Zl     FLAG(U_LINE_SEPARATOR)
+#define _Zp     FLAG(U_PARAGRAPH_SEPARATOR)
+#define _Cc     FLAG(U_CONTROL_CHAR)
+#define _Cf     FLAG(U_FORMAT_CHAR)
+#define _Co     FLAG(U_PRIVATE_USE_CHAR)
+#define _Cs     FLAG(U_SURROGATE)
+#define _Pd     FLAG(U_DASH_PUNCTUATION)
+#define _Ps     FLAG(U_START_PUNCTUATION)
+#define _Pe     FLAG(U_END_PUNCTUATION)
+#define _Pc     FLAG(U_CONNECTOR_PUNCTUATION)
+#define _Po     FLAG(U_OTHER_PUNCTUATION)
+#define _Sm     FLAG(U_MATH_SYMBOL)
+#define _Sc     FLAG(U_CURRENCY_SYMBOL)
+#define _Sk     FLAG(U_MODIFIER_SYMBOL)
+#define _So     FLAG(U_OTHER_SYMBOL)
+#define _Pi     FLAG(U_INITIAL_PUNCTUATION)
+#define _Pf     FLAG(U_FINAL_PUNCTUATION)
+
+/** Some code points. @internal */
+enum {
+    TAB     =0x0009,
+    LF      =0x000a,
+    FF      =0x000c,
+    CR      =0x000d,
+    U_A     =0x0041,
+    U_F     =0x0046,
+    U_Z     =0x005a,
+    U_a     =0x0061,
+    U_f     =0x0066,
+    U_z     =0x007a,
+    DEL     =0x007f,
+    NL      =0x0085,
+    NBSP    =0x00a0,
+    CGJ     =0x034f,
+    FIGURESP=0x2007,
+    HAIRSP  =0x200a,
+    ZWNJ    =0x200c,
+    ZWJ     =0x200d,
+    RLM     =0x200f,
+    NNBSP   =0x202f,
+    WJ      =0x2060,
+    INHSWAP =0x206a,
+    NOMDIG  =0x206f,
+    U_FW_A  =0xff21,
+    U_FW_F  =0xff26,
+    U_FW_Z  =0xff3a,
+    U_FW_a  =0xff41,
+    U_FW_f  =0xff46,
+    U_FW_z  =0xff5a,
+    ZWNBSP  =0xfeff
+};
+
+/**
+ * Get the maximum length of a (regular/1.0/extended) character name.
+ * @return 0 if no character names available.
+ */
+U_CAPI int32_t U_EXPORT2
+uprv_getMaxCharNameLength(void);
+
+#if 0
+/* 
+Currently not used but left for future use. Probably by UnicodeSet. 
+urename.h and unames.c changed accordingly. 
+*/
+/**
+ * Get the maximum length of an ISO comment.
+ * @return 0 if no ISO comments available.
+ */
+U_CAPI int32_t U_EXPORT2
+uprv_getMaxISOCommentLength();
+#endif
+
+/**
+ * Fills set with characters that are used in Unicode character names.
+ * Includes all characters that are used in regular/Unicode 1.0/extended names.
+ * Just empties the set if no character names are available.
+ * @param sa USetAdder to receive characters.
+ */
+U_CAPI void U_EXPORT2
+uprv_getCharNameCharacters(const USetAdder *sa);
+
+#if 0
+/* 
+Currently not used but left for future use. Probably by UnicodeSet. 
+urename.h and unames.c changed accordingly. 
+*/
+/**
+ * Fills set with characters that are used in Unicode character names.
+ * Just empties the set if no ISO comments are available.
+ * @param sa USetAdder to receive characters.
+ */
+U_CAPI void U_EXPORT2
+uprv_getISOCommentCharacters(const USetAdder *sa);
+*/
+#endif
+
+/**
+ * Constants for which data and implementation files provide which properties.
+ * Used by UnicodeSet for service-specific property enumeration.
+ * @internal
+ */
+enum UPropertySource {
+    /** No source, not a supported property. */
+    UPROPS_SRC_NONE,
+    /** From uchar.c/uprops.icu main trie */
+    UPROPS_SRC_CHAR,
+    /** From uchar.c/uprops.icu properties vectors trie */
+    UPROPS_SRC_PROPSVEC,
+    /** Hangul_Syllable_Type, from uchar.c/uprops.icu */
+    UPROPS_SRC_HST,
+    /** From unames.c/unames.icu */
+    UPROPS_SRC_NAMES,
+    /** From unorm.cpp/unorm.icu */
+    UPROPS_SRC_NORM,
+    /** From ucase.c/ucase.icu */
+    UPROPS_SRC_CASE,
+    /** From ubidi_props.c/ubidi.icu */
+    UPROPS_SRC_BIDI,
+    /** From uchar.c/uprops.icu main trie as well as properties vectors trie */
+    UPROPS_SRC_CHAR_AND_PROPSVEC,
+    /** One more than the highest UPropertySource (UPROPS_SRC_) constant. */
+    UPROPS_SRC_COUNT
+};
+typedef enum UPropertySource UPropertySource;
+
+/**
+ * @see UPropertySource
+ * @internal
+ */
+U_CAPI UPropertySource U_EXPORT2
+uprops_getSource(UProperty which);
+
+/**
+ * Enumerate uprops.icu's main data trie and add the
+ * start of each range of same properties to the set.
+ * @internal
+ */
+U_CAPI void U_EXPORT2
+uchar_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode);
+
+/**
+ * Enumerate uprops.icu's properties vectors trie and add the
+ * start of each range of same properties to the set.
+ * @internal
+ */
+U_CAPI void U_EXPORT2
+upropsvec_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode);
+
+/**
+ * Same as uchar_addPropertyStarts() but only for Hangul_Syllable_Type.
+ * @internal
+ */
+U_CAPI void U_EXPORT2
+uhst_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode);
+
+/**
+ * Return a set of characters for property enumeration.
+ * For each two consecutive characters (start, limit) in the set,
+ * all of the properties for start..limit-1 are all the same.
+ *
+ * @param sa USetAdder to receive result. Existing contents are lost.
+ * @internal
+ */
+U_CAPI void U_EXPORT2
+uprv_getInclusions(const USetAdder *sa, UErrorCode *pErrorCode);
+
+/**
+ * Swap the ICU Unicode properties file. See uchar.c.
+ * @internal
+ */
+U_CAPI int32_t U_EXPORT2
+uprops_swap(const UDataSwapper *ds,
+            const void *inData, int32_t length, void *outData,
+            UErrorCode *pErrorCode);
+
+/**
+ * Swap the ICU Unicode character names file. See uchar.c.
+ * @internal
+ */
+U_CAPI int32_t U_EXPORT2
+uchar_swapNames(const UDataSwapper *ds,
+                const void *inData, int32_t length, void *outData,
+                UErrorCode *pErrorCode);
+
+#endif