/* dstring and dsarray
 * data structures and functions 
 * related to creating and manipulating 
 * secure, fast, and easy cstrings and dynamic strings
 * and arrays of dynamic strings
 * 
 * Copyright: 2004 by Michael Siley 
 *
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <math.h>

#ifndef DSTRING_LIB
#define DSTRING_LIB

#define INIT_STR_SIZE 100
#define ARRAY_RESIZE_FACTOR 1.3
#define STR_RESIZE_FACTOR 1.3

#define TRUE 1
#define FALSE 0

typedef struct dstring_t {
   char *string;
   long int length;
   long int max_size;
   unsigned int is_buffer;
} dstring;

typedef struct dsarray_t {
    dstring **dstrings;
    long int length;
    long int max_size;
} dsarray;

dsarray *dsa_init(unsigned int size);
void dsa_free(dsarray *dsa);
void dsa_append(dsarray *dsa, dstring *ds);
void dsa_cat(dsarray *dsa1, dsarray *dsa2);
dstring *ds_buffer_init(unsigned int size);
dstring *ds_init(char *s);
void ds_compact(dstring *ds);
void ds_clear(dstring *ds);
dstring *ds_copy(dstring *ds);
void ds_free(dstring *ds);
void ds_append(dstring *ds, char *s);
void ds_append_char(dstring *ds, char c);
dstring *cs_substr(char *s, int start, int len);
dstring *ds_substr(dstring *ds, int start, int len);
void cs_lower(char *s);
void cs_upper(char *s);
void ds_lower(dstring *ds);
void ds_upper(dstring *ds);
void cs_reverse(char *s);
void ds_reverse(dstring *ds);
int cs_rstrip(char *s);
int cs_lstrip(char *s);
int cs_strip(char *s);
void ds_rstrip(dstring *ds);
void ds_lstrip(dstring *ds);
void ds_strip(dstring *ds);
int cs_index(char *s, char *sub);
int ds_index(dstring *ds, char *sub);
dsarray *ds_split(dstring *ds, char *delim);
dstring *ds_join(dsarray *dsa, char *delim);
void ds_replace(dstring *ds, char *oldds, char *newds);

#endif