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#ifndef STRBUF_H
#define STRBUF_H
#include <iostream>
#include <stdlib.h>
#include "macro.h"
/*
* A high level string type which holds it's own length, how much
* memmory it has allocated for itself, and a seek pointer into the
* string.
*
* Also comes with a number of functions which allow for safe(er)
* access to the memmory.
*/
struct strbuf {
char* mem;
/* TODO add support for negative ptr */
int ptr;
unsigned int alloc = 0;
unsigned int len;
// strbuf (size_t len);
strbuf (strbuf& other);
strbuf ();
~strbuf ();
strbuf& operator=(strbuf& other);
bool operator==(strbuf& other);
bool operator==(const char* other);
bool operator!=(strbuf& other)
{ return ! (*this == other); }
bool operator!=(const char* other)
{ return ! (*this == other); }
};
std::ostream& operator<<(std::ostream&, strbuf&);
/*
* Init strbuf to size of 0
* Doesnt't call malloc.
*/
// INIT_F(strbuf);
/* Constructor */
// INIT_F(strbuf, size_t len);
/*
* Like realloc, but for strbuf
*/
int strbuf_realloc(strbuf* str, size_t len);
/*
* Free's contents of str, but keeps str.
*/
// FREE_F(strbuf);
int strbuf_cmp(strbuf* a, strbuf* b);
int strbuf_c(strbuf* a, const char* b);
/*
* Copy contents from src to dest.
* Assumes that dest is already initialized.
*/
int DEEP_COPY(strbuf)(strbuf*, strbuf*);
/*
* Append char to end of strbuf, determined by s->len.
*/
int strbuf_append(strbuf* s, char c);
/*
* Calls strbuf_append with NULL.
*/
int strbuf_cap(strbuf* s);
/*
* Returns a pointer to character at index. Allows mutation of the
* value pointed to by the return address.
*/
char* charat(strbuf* s, unsigned int idx);
/*
* Same as `charat`, But returns the current character.
*/
char* strbuf_cur(strbuf* s);
/*
* Resets the seek for strbuf to 0.
*/
int strbuf_reset(strbuf* s);
/*
* Sets the length and seek ptr to 0, but doesn't touch the memmory.
*/
int strbuf_soft_reset(strbuf* s);
/*
* Returns the character after the last, so where null hopefully is.
*/
char* strbuf_end(strbuf* s);
/*
* Reallocs dest to be the same size as src, and copies the contents
* of src into dest.
*/
int strbuf_realloc_copy(strbuf* dest, strbuf* src);
/*
* Copies contents from src to dest, also allocating dest in the
* process. dest should not be initialized before self call.
*/
int strbuf_init_copy(strbuf* dest, strbuf* src);
strbuf* RESOLVE(strbuf)(strbuf*, strbuf*);
// FMT_F(strbuf);
int SIZE(strbuf)(strbuf*);
#endif /* STRBUF_H */
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