/*
**********************************************************************
-* Copyright (C) 1999-2008, International Business Machines
+* Copyright (C) 1999-2011, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
* file name: ustr_imp.h
#include "unicode/uiter.h"
#include "ucase.h"
-/** Simple declaration for u_strToTitle() to avoid including unicode/ubrk.h. */
+/** Simple declaration to avoid including unicode/ubrk.h. */
#ifndef UBRK_TYPEDEF_UBREAK_ITERATOR
# define UBRK_TYPEDEF_UBREAK_ITERATOR
- typedef void UBreakIterator;
+ typedef struct UBreakIterator UBreakIterator;
#endif
+#ifndef U_COMPARE_IGNORE_CASE
+/* see also unorm.h */
+/**
+ * Option bit for unorm_compare:
+ * Perform case-insensitive comparison.
+ */
+#define U_COMPARE_IGNORE_CASE 0x10000
+#endif
+
+/**
+ * Internal option for unorm_cmpEquivFold() for strncmp style.
+ * If set, checks for both string length and terminating NUL.
+ */
+#define _STRNCMP_STYLE 0x1000
+
/**
* Compare two strings in code point order or code unit order.
* Works in strcmp style (both lengths -1),
* strncmp style (lengths equal and >=0, flag TRUE),
* and memcmp/UnicodeString style (at least one length >=0).
- * @internal
*/
U_CFUNC int32_t U_EXPORT2
uprv_strCompare(const UChar *s1, int32_t length1,
* Internal API, used by u_strcasecmp() etc.
* Compare strings case-insensitively,
* in code point order or code unit order.
- * @internal
*/
U_CFUNC int32_t
u_strcmpFold(const UChar *s1, int32_t length1,
* Are the Unicode properties loaded?
* This must be used before internal functions are called that do
* not perform this check.
- * Generate a debug assertion failure if data is not loaded, to flag the fact
- * that u_init() wasn't called first, before trying to access character properties.
- * @internal
+ * Generate a debug assertion failure if data is not loaded.
*/
U_CFUNC UBool
uprv_haveProperties(UErrorCode *pErrorCode);
* Intended primarily for use from u_init().
* Has no effect if property data is already loaded.
* NOT thread safe.
- * @internal
*/
/*U_CFUNC int8_t
uprv_loadPropsData(UErrorCode *errorCode);*/
-/**
- * Type of a function that may be passed to the internal case mapping functions
- * or similar for growing the destination buffer.
- * @internal
- */
-typedef UBool U_CALLCONV
-UGrowBuffer(void *context, /* opaque pointer for this function */
- UChar **pBuffer, /* in/out destination buffer pointer */
- int32_t *pCapacity, /* in/out buffer capacity in numbers of UChars */
- int32_t reqCapacity,/* requested capacity */
- int32_t length); /* number of UChars to be copied to new buffer */
-
-/**
- * Default implementation of UGrowBuffer.
- * Takes a static buffer as context, allocates a new buffer,
- * and releases the old one if it is not the same as the one passed as context.
- * @internal
- */
-U_CAPI UBool /* U_CALLCONV U_EXPORT2 */
-u_growBufferFromStatic(void *context,
- UChar **pBuffer, int32_t *pCapacity, int32_t reqCapacity,
- int32_t length);
-
/*
* Internal string casing functions implementing
* ustring.h/ustrcase.c and UnicodeString case mapping functions.
*/
-/**
- * @internal
- */
struct UCaseMap {
const UCaseProps *csp;
#if !UCONFIG_NO_BREAK_ITERATION
typedef struct UCaseMap UCaseMap;
#endif
+#if UCONFIG_NO_BREAK_ITERATION
+# define UCASEMAP_INITIALIZER { NULL, { 0 }, 0, 0 }
+#else
+# define UCASEMAP_INITIALIZER { NULL, NULL, { 0 }, 0, 0 }
+#endif
+
+U_CFUNC void
+ustrcase_setTempCaseMapLocale(UCaseMap *csm, const char *locale);
+
+#ifndef U_STRING_CASE_MAPPER_DEFINED
+#define U_STRING_CASE_MAPPER_DEFINED
+
/**
- * @internal
+ * String case mapping function type, used by ustrcase_map().
+ * All error checking must be done.
+ * The UCaseMap must be fully initialized, with locale and/or iter set as needed.
+ * src and dest must not overlap.
*/
-enum {
- TO_LOWER,
- TO_UPPER,
- TO_TITLE,
- FOLD_CASE
-};
+typedef int32_t U_CALLCONV
+UStringCaseMapper(const UCaseMap *csm,
+ UChar *dest, int32_t destCapacity,
+ const UChar *src, int32_t srcLength,
+ UErrorCode *pErrorCode);
+
+#endif
+
+/** Implements UStringCaseMapper. */
+U_CFUNC int32_t U_CALLCONV
+ustrcase_internalToLower(const UCaseMap *csm,
+ UChar *dest, int32_t destCapacity,
+ const UChar *src, int32_t srcLength,
+ UErrorCode *pErrorCode);
+
+/** Implements UStringCaseMapper. */
+U_CFUNC int32_t U_CALLCONV
+ustrcase_internalToUpper(const UCaseMap *csm,
+ UChar *dest, int32_t destCapacity,
+ const UChar *src, int32_t srcLength,
+ UErrorCode *pErrorCode);
+
+#if !UCONFIG_NO_BREAK_ITERATION
+
+/** Implements UStringCaseMapper. */
+U_CFUNC int32_t U_CALLCONV
+ustrcase_internalToTitle(const UCaseMap *csm,
+ UChar *dest, int32_t destCapacity,
+ const UChar *src, int32_t srcLength,
+ UErrorCode *pErrorCode);
+
+#endif
+
+/** Implements UStringCaseMapper. */
+U_CFUNC int32_t U_CALLCONV
+ustrcase_internalFold(const UCaseMap *csm,
+ UChar *dest, int32_t destCapacity,
+ const UChar *src, int32_t srcLength,
+ UErrorCode *pErrorCode);
/**
- * @internal
+ * Implements argument checking and buffer handling
+ * for string case mapping as a common function.
*/
U_CFUNC int32_t
-ustr_toLower(const UCaseProps *csp,
+ustrcase_map(const UCaseMap *csm,
UChar *dest, int32_t destCapacity,
const UChar *src, int32_t srcLength,
- const char *locale,
+ UStringCaseMapper *stringCaseMapper,
UErrorCode *pErrorCode);
/**
- * @internal
+ * UTF-8 string case mapping function type, used by ucasemap_mapUTF8().
+ * UTF-8 version of UStringCaseMapper.
+ * All error checking must be done.
+ * The UCaseMap must be fully initialized, with locale and/or iter set as needed.
+ * src and dest must not overlap.
*/
-U_CFUNC int32_t
-ustr_toUpper(const UCaseProps *csp,
- UChar *dest, int32_t destCapacity,
- const UChar *src, int32_t srcLength,
- const char *locale,
- UErrorCode *pErrorCode);
+typedef int32_t U_CALLCONV
+UTF8CaseMapper(const UCaseMap *csm,
+ uint8_t *dest, int32_t destCapacity,
+ const uint8_t *src, int32_t srcLength,
+ UErrorCode *pErrorCode);
-#if !UCONFIG_NO_BREAK_ITERATION
+/** Implements UTF8CaseMapper. */
+U_CFUNC int32_t U_CALLCONV
+ucasemap_internalUTF8ToTitle(const UCaseMap *csm,
+ uint8_t *dest, int32_t destCapacity,
+ const uint8_t *src, int32_t srcLength,
+ UErrorCode *pErrorCode);
/**
- * @internal
+ * Implements argument checking and buffer handling
+ * for UTF-8 string case mapping as a common function.
*/
U_CFUNC int32_t
-ustr_toTitle(const UCaseProps *csp,
- UChar *dest, int32_t destCapacity,
- const UChar *src, int32_t srcLength,
- UBreakIterator *titleIter,
- const char *locale, uint32_t options,
- UErrorCode *pErrorCode);
+ucasemap_mapUTF8(const UCaseMap *csm,
+ uint8_t *dest, int32_t destCapacity,
+ const uint8_t *src, int32_t srcLength,
+ UTF8CaseMapper *stringCaseMapper,
+ UErrorCode *pErrorCode);
-#endif
+U_CAPI int32_t U_EXPORT2
+ustr_hashUCharsN(const UChar *str, int32_t length);
-/**
- * Internal case folding function.
- * @internal
- */
-U_CFUNC int32_t
-ustr_foldCase(const UCaseProps *csp,
- UChar *dest, int32_t destCapacity,
- const UChar *src, int32_t srcLength,
- uint32_t options,
- UErrorCode *pErrorCode);
+U_CAPI int32_t U_EXPORT2
+ustr_hashCharsN(const char *str, int32_t length);
+
+U_CAPI int32_t U_EXPORT2
+ustr_hashICharsN(const char *str, int32_t length);
/**
* NUL-terminate a UChar * string if possible.
* @param length Number of UChars that were (to be) written to dest.
* @param pErrorCode ICU error code.
* @return length
- * @internal
*/
U_CAPI int32_t U_EXPORT2
u_terminateUChars(UChar *dest, int32_t destCapacity, int32_t length, UErrorCode *pErrorCode);
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