/*
*******************************************************************************
*
-* Copyright (C) 2004-2008, International Business Machines
+* Copyright (C) 2004-2012, International Business Machines
* Corporation and others. All Rights Reserved.
*
*******************************************************************************
#include "unicode/utypes.h"
#include "unicode/uset.h"
+#include "putilimp.h"
#include "uset_imp.h"
#include "udataswp.h"
-U_CDECL_BEGIN
-
-/* library API -------------------------------------------------------------- */
-
-struct UCaseProps;
-typedef struct UCaseProps UCaseProps;
+#ifdef __cplusplus
+U_NAMESPACE_BEGIN
-U_CAPI UCaseProps * U_EXPORT2
-ucase_open(UErrorCode *pErrorCode);
+class UnicodeString;
-U_CAPI UCaseProps * U_EXPORT2
-ucase_openBinary(const uint8_t *bin, int32_t length, UErrorCode *pErrorCode);
+U_NAMESPACE_END
+#endif
-U_CAPI void U_EXPORT2
-ucase_close(UCaseProps *csp);
+/* library API -------------------------------------------------------------- */
+U_CDECL_BEGIN
-U_CAPI const UCaseProps * U_EXPORT2
-ucase_getSingleton(UErrorCode *pErrorCode);
+struct UCaseProps;
+typedef struct UCaseProps UCaseProps;
-#define UCASE_HARDCODE_DATA 1
+U_CDECL_END
-#if !UCASE_HARDCODE_DATA
-/**
- * Get a singleton dummy object, one that works with no real data.
- * This can be used when the real data is not available.
- * Using the dummy can reduce checks for available data after an initial failure.
- */
U_CAPI const UCaseProps * U_EXPORT2
-ucase_getDummy(UErrorCode *pErrorCode);
-#endif
-
-
-U_CAPI int32_t U_EXPORT2
-ucase_swap(const UDataSwapper *ds,
- const void *inData, int32_t length, void *outData,
- UErrorCode *pErrorCode);
+ucase_getSingleton(void);
U_CFUNC void U_EXPORT2
ucase_addPropertyStarts(const UCaseProps *csp, const USetAdder *sa, UErrorCode *pErrorCode);
U_CFUNC UBool U_EXPORT2
ucase_addStringCaseClosure(const UCaseProps *csp, const UChar *s, int32_t length, const USetAdder *sa);
+#ifdef __cplusplus
+U_NAMESPACE_BEGIN
+
+/**
+ * Iterator over characters with more than one code point in the full default Case_Folding.
+ */
+class U_COMMON_API FullCaseFoldingIterator {
+public:
+ /** Constructor. */
+ FullCaseFoldingIterator();
+ /**
+ * Returns the next (cp, full) pair where "full" is cp's full default Case_Folding.
+ * Returns a negative cp value at the end of the iteration.
+ */
+ UChar32 next(UnicodeString &full);
+private:
+ FullCaseFoldingIterator(const FullCaseFoldingIterator &); // no copy
+ FullCaseFoldingIterator &operator=(const FullCaseFoldingIterator &); // no assignment
+
+ const UChar *unfold;
+ int32_t unfoldRows;
+ int32_t unfoldRowWidth;
+ int32_t unfoldStringWidth;
+ int32_t currentRow;
+ int32_t rowCpIndex;
+};
+
+U_NAMESPACE_END
+#endif
+
/** @return UCASE_NONE, UCASE_LOWER, UCASE_UPPER, UCASE_TITLE */
U_CAPI int32_t U_EXPORT2
ucase_getType(const UCaseProps *csp, UChar32 c);
/* string case mapping functions */
+U_CDECL_BEGIN
+
/**
* Iterator function for string case mappings, which need to look at the
* context (surrounding text) of a given character for conditional mappings.
};
typedef struct UCaseContext UCaseContext;
+U_CDECL_END
+
+#define UCASECONTEXT_INITIALIZER { NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+
enum {
/**
* For string case mappings, a single character (a code point) is mapped
};
#define UCASE_GET_TYPE(props) ((props)&UCASE_TYPE_MASK)
+#define UCASE_GET_TYPE_AND_IGNORABLE(props) ((props)&7)
-#define UCASE_SENSITIVE 4
-#define UCASE_EXCEPTION 8
+#define UCASE_IGNORABLE 4
+#define UCASE_SENSITIVE 8
+#define UCASE_EXCEPTION 0x10
-#define UCASE_DOT_MASK 0x30
+#define UCASE_DOT_MASK 0x60
enum {
UCASE_NO_DOT=0, /* normal characters with cc=0 */
- UCASE_SOFT_DOTTED=0x10, /* soft-dotted characters with cc=0 */
- UCASE_ABOVE=0x20, /* "above" accents with cc=230 */
- UCASE_OTHER_ACCENT=0x30 /* other accent character (0<cc!=230) */
+ UCASE_SOFT_DOTTED=0x20, /* soft-dotted characters with cc=0 */
+ UCASE_ABOVE=0x40, /* "above" accents with cc=230 */
+ UCASE_OTHER_ACCENT=0x60 /* other accent character (0<cc!=230) */
};
-/* no exception: bits 15..6 are a 10-bit signed case mapping delta */
-#define UCASE_DELTA_SHIFT 6
-#define UCASE_DELTA_MASK 0xffc0
-#define UCASE_MAX_DELTA 0x1ff
+/* no exception: bits 15..7 are a 9-bit signed case mapping delta */
+#define UCASE_DELTA_SHIFT 7
+#define UCASE_DELTA_MASK 0xff80
+#define UCASE_MAX_DELTA 0xff
#define UCASE_MIN_DELTA (-UCASE_MAX_DELTA-1)
-#define UCASE_GET_DELTA(props) ((int16_t)(props)>>UCASE_DELTA_SHIFT)
-
-/* case-ignorable uses one of the delta bits, see gencase/store.c */
-#define UCASE_CASE_IGNORABLE 0x40
+#if U_SIGNED_RIGHT_SHIFT_IS_ARITHMETIC
+# define UCASE_GET_DELTA(props) ((int16_t)(props)>>UCASE_DELTA_SHIFT)
+#else
+# define UCASE_GET_DELTA(props) (int16_t)(((props)&0x8000) ? (((props)>>UCASE_DELTA_SHIFT)|0xfe00) : ((uint16_t)(props)>>UCASE_DELTA_SHIFT))
+#endif
-/* exception: bits 15..4 are an unsigned 12-bit index into the exceptions array */
-#define UCASE_EXC_SHIFT 4
-#define UCASE_EXC_MASK 0xfff0
-#define UCASE_MAX_EXCEPTIONS 0x1000
+/* exception: bits 15..5 are an unsigned 11-bit index into the exceptions array */
+#define UCASE_EXC_SHIFT 5
+#define UCASE_EXC_MASK 0xffe0
+#define UCASE_MAX_EXCEPTIONS ((UCASE_EXC_MASK>>UCASE_EXC_SHIFT)+1)
/* definitions for 16-bit main exceptions word ------------------------------ */
/* reserved: exception bits 11..9 */
/* UCASE_EXC_DOT_MASK=UCASE_DOT_MASK<<UCASE_EXC_DOT_SHIFT */
-#define UCASE_EXC_DOT_SHIFT 8
+#define UCASE_EXC_DOT_SHIFT 7
/* normally stored in the main word, but pushed out for larger exception indexes */
#define UCASE_EXC_DOT_MASK 0x3000
UCASE_UNFOLD_STRING_WIDTH
};
-U_CDECL_END
-
#endif
projects / apple / icu.git / blobdiff