[apple/icu.git] / icuSources / tools / genrb / ustr.h

/*
*******************************************************************************
*
*   Copyright (C) 1998-2012, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
*******************************************************************************
*
* File ustr.h
*
* Modification History:
*
*   Date        Name        Description
*   05/28/99    stephen     Creation.
*******************************************************************************
*/

#ifndef USTR_H
#define USTR_H 1

#include "unicode/utypes.h"

#define U_APPEND_CHAR32(c,target,len) {                         \
    if (c <= 0xffff)                                            \
    {                                                           \
        *(target)++ = (UChar) c;                                \
        len=1;                                                  \
    }                                                           \
    else                                                        \
    {                                                           \
        target[0] = U16_LEAD(c);                                \
        target[1] = U16_TRAIL(c);                               \
        len=2;                                                  \
        target +=2;                                             \
    }                                                           \
}

#define U_APPEND_CHAR32_ONLY(c,target) {                             \
    if (c <= 0xffff)                                            \
    {                                                           \
        *(target)++ = (UChar) c;                                \
    }                                                           \
    else                                                        \
    {                                                           \
        target[0] = U16_LEAD(c);                                \
        target[1] = U16_TRAIL(c);                               \
        target +=2;                                             \
    }                                                           \
}

/* A C representation of a string "object" (to avoid realloc all the time) */
struct UString {
  UChar *fChars;
  int32_t fLength;
  int32_t fCapacity;
};

U_CFUNC void ustr_init(struct UString *s);

U_CFUNC void
ustr_initChars(struct UString *s, const char* source, int32_t length, UErrorCode *status);

U_CFUNC void ustr_deinit(struct UString *s);

U_CFUNC void ustr_setlen(struct UString *s, int32_t len, UErrorCode *status);

U_CFUNC void ustr_cpy(struct UString *dst, const struct UString *src,
                      UErrorCode *status);

U_CFUNC void ustr_cat(struct UString *dst, const struct UString *src,
                      UErrorCode *status);

U_CFUNC void ustr_ncat(struct UString *dst, const struct UString *src,
                       int32_t n, UErrorCode *status);

U_CFUNC void ustr_ucat(struct UString *dst, UChar c, UErrorCode *status);
U_CFUNC void ustr_u32cat(struct UString *dst, UChar32 c, UErrorCode *status);
U_CFUNC void ustr_uscat(struct UString *dst, const UChar* src,int len,UErrorCode *status);
#endif
Commit	Line	Data
b75a7d8f A	1	/*
	2	*******************************************************************************
	3	*
51004dcb	4	* Copyright (C) 1998-2012, International Business Machines
b75a7d8f A	5	* Corporation and others. All Rights Reserved.
	6	*
	7	*******************************************************************************
	8	*
	9	* File ustr.h
	10	*
	11	* Modification History:
	12	*
	13	* Date Name Description
	14	* 05/28/99 stephen Creation.
	15	*******************************************************************************
	16	*/
	17
	18	#ifndef USTR_H
	19	#define USTR_H 1
	20
	21	#include "unicode/utypes.h"
	22
	23	#define U_APPEND_CHAR32(c,target,len) { \
	24	if (c <= 0xffff) \
	25	{ \
	26	*(target)++ = (UChar) c; \
	27	len=1; \
	28	} \
	29	else \
	30	{ \
374ca955 A	31	target[0] = U16_LEAD(c); \
374ca955 A	32	target[1] = U16_TRAIL(c); \
b75a7d8f	33	len=2; \
374ca955	34	target +=2; \
b75a7d8f A	35	} \
	36	}
	37
51004dcb A	38	#define U_APPEND_CHAR32_ONLY(c,target) { \
	39	if (c <= 0xffff) \
	40	{ \
	41	*(target)++ = (UChar) c; \
	42	} \
	43	else \
	44	{ \
	45	target[0] = U16_LEAD(c); \
	46	target[1] = U16_TRAIL(c); \
	47	target +=2; \
	48	} \
	49	}
	50
b75a7d8f A	51	/* A C representation of a string "object" (to avoid realloc all the time) */
	52	struct UString {
	53	UChar *fChars;
	54	int32_t fLength;
	55	int32_t fCapacity;
	56	};
	57
4388f060	58	U_CFUNC void ustr_init(struct UString *s);
b75a7d8f	59
4388f060	60	U_CFUNC void
b75a7d8f A	61	ustr_initChars(struct UString s, const char source, int32_t length, UErrorCode *status);
b75a7d8f A	62
4388f060	63	U_CFUNC void ustr_deinit(struct UString *s);
b75a7d8f	64
4388f060	65	U_CFUNC void ustr_setlen(struct UString s, int32_t len, UErrorCode status);
b75a7d8f	66
4388f060 A	67	U_CFUNC void ustr_cpy(struct UString dst, const struct UString src,
4388f060 A	68	UErrorCode *status);
b75a7d8f	69
4388f060 A	70	U_CFUNC void ustr_cat(struct UString dst, const struct UString src,
4388f060 A	71	UErrorCode *status);
b75a7d8f	72
4388f060 A	73	U_CFUNC void ustr_ncat(struct UString dst, const struct UString src,
4388f060 A	74	int32_t n, UErrorCode *status);
b75a7d8f	75
4388f060 A	76	U_CFUNC void ustr_ucat(struct UString dst, UChar c, UErrorCode status);
	77	U_CFUNC void ustr_u32cat(struct UString dst, UChar32 c, UErrorCode status);
	78	U_CFUNC void ustr_uscat(struct UString dst, const UChar src,int len,UErrorCode *status);
b75a7d8f	79	#endif