olaf@20: /*
universe@103:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
olaf@20:  *
universe@103:  * Copyright 2013 Olaf Wintermann. All rights reserved.
universe@103:  *
universe@103:  * Redistribution and use in source and binary forms, with or without
universe@103:  * modification, are permitted provided that the following conditions are met:
universe@103:  *
universe@103:  *   1. Redistributions of source code must retain the above copyright
universe@103:  *      notice, this list of conditions and the following disclaimer.
universe@103:  *
universe@103:  *   2. Redistributions in binary form must reproduce the above copyright
universe@103:  *      notice, this list of conditions and the following disclaimer in the
universe@103:  *      documentation and/or other materials provided with the distribution.
universe@103:  *
universe@103:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@103:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@103:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
universe@103:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
universe@103:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
universe@103:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
universe@103:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
universe@103:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
universe@103:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
universe@103:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
universe@103:  * POSSIBILITY OF SUCH DAMAGE.
olaf@20:  */
olaf@20: 
olaf@20: #ifndef _SSTRING_H
olaf@20: #define	_SSTRING_H
olaf@20: 
universe@69: #include "ucx.h"
olaf@109: #include "allocator.h"
universe@38: #include <stddef.h>
universe@38: 
universe@42: /* use macros for literals only */
universe@74: #define S(s) { (char*)s, sizeof(s)-1 }
universe@74: #define ST(s) sstrn((char*)s, sizeof(s)-1)
olaf@20: 
olaf@20: #ifdef	__cplusplus
olaf@20: extern "C" {
olaf@20: #endif
olaf@20: 
olaf@20: typedef struct sstring {
olaf@20:     char   *ptr;
olaf@20:     size_t length;
olaf@20: } sstr_t;
olaf@20: 
olaf@20: /*
olaf@20:  * creates a new sstr_t from a null terminated string
olaf@20:  *
olaf@20:  * s  null terminated string
olaf@20:  */
olaf@68: sstr_t sstr(char *s);
olaf@20: 
olaf@20: /*
olaf@20:  * creates a new sstr_t from a string and length
olaf@20:  *
olaf@20:  * s  string
olaf@20:  * n  length of string
olaf@20:  */
olaf@68: sstr_t sstrn(char *s, size_t n);
olaf@20: 
olaf@20: 
olaf@20: /*
olaf@20:  * gets the length of n sstr_t strings
olaf@20:  *
olaf@20:  * n    number of strings
olaf@20:  * s    string
olaf@20:  * ...  strings
olaf@20:  */
olaf@68: size_t sstrnlen(size_t n, sstr_t s, ...);
olaf@20: 
olaf@20: 
olaf@20: /*
olaf@20:  * concatenates n strings
olaf@20:  *
olaf@20:  * n    number of strings
olaf@20:  * s    new string with enough memory allocated
olaf@20:  * ...  strings
olaf@20:  */
olaf@68: sstr_t sstrncat(size_t n, sstr_t s, sstr_t c1, ...);
olaf@20: 
olaf@20: 
olaf@20: /*
olaf@20:  *
olaf@20:  */
olaf@68: sstr_t sstrsubs(sstr_t s, size_t start);
olaf@20: 
olaf@20: /*
olaf@20:  *
olaf@20:  */
olaf@68: sstr_t sstrsubsl(sstr_t s, size_t start, size_t length);
olaf@20: 
universe@39: /*
olaf@108:  * 
olaf@108:  */
olaf@108: sstr_t sstrchr(sstr_t s, int c);
olaf@108: 
olaf@108: /*
universe@39:  * splits s into n parts
universe@39:  *
universe@39:  * s    the string to split
universe@39:  * d    the delimiter string
universe@39:  * n    the maximum size of the resulting list
universe@39:  *      a size of 0 indicates an unbounded list size
universe@39:  *      the actual size of the list will be stored here
universe@39:  *
universe@39:  *      Hint: use this value to avoid dynamic reallocation of the result list
universe@39:  *
universe@39:  * Returns a list of the split strings
universe@39:  * NOTE: this list needs to be freed manually after usage
universe@39:  *
universe@39:  * Returns NULL on error
universe@39:  */
olaf@68: sstr_t* sstrsplit(sstr_t s, sstr_t d, size_t *n);
olaf@20: 
olaf@68: int sstrcmp(sstr_t s1, sstr_t s2);
olaf@20: 
olaf@68: sstr_t sstrdup(sstr_t s);
olaf@109: sstr_t sstrdup_alloc(UcxAllocator *allocator, sstr_t s);
olaf@20: 
olaf@96: sstr_t sstrtrim(sstr_t string);
olaf@96: 
olaf@20: #ifdef	__cplusplus
olaf@20: }
olaf@20: #endif
olaf@20: 
olaf@20: #endif	/* _SSTRING_H */