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#ifndef CMARK_BUFFER_H
#define CMARK_BUFFER_H
#include <stddef.h>
#include <stdarg.h>
#include <string.h>
#include <limits.h>
#include <stdint.h>
#include "config.h"
#include "cmark.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifndef CMARK_HUGE_DOCS
// Maximum strbuf size without terminating NUL byte.
#define BUFSIZE_MAX (INT32_MAX - 1)
typedef int32_t bufsize_t;
#else // CMARK_HUGE_DOCS
// This is an untested proof of concept of how to handle multi-gigabyte
// documents on 64-bit platforms at the expense of internal struct sizes.
#ifdef PTRDIFF_MAX
#define BUFSIZE_MAX (PTRDIFF_MAX - 1)
#else
#define BUFSIZE_MAX (ptrdiff_t)((size_t)-1 / 2)
#endif
typedef ptrdiff_t bufsize_t;
#endif // CMARK_HUGE_DOCS
typedef struct {
cmark_mem *mem;
unsigned char *ptr;
bufsize_t asize, size;
} cmark_strbuf;
extern unsigned char cmark_strbuf__initbuf[];
#define CMARK_BUF_INIT(mem) \
{ mem, cmark_strbuf__initbuf, 0, 0 }
/**
* Initialize a cmark_strbuf structure.
*
* For the cases where CMARK_BUF_INIT cannot be used to do static
* initialization.
*/
void cmark_strbuf_init(cmark_mem *mem, cmark_strbuf *buf,
bufsize_t initial_size);
/**
* Grow the buffer to hold at least `target_size` bytes.
*/
void cmark_strbuf_grow(cmark_strbuf *buf, bufsize_t target_size);
void cmark_strbuf_free(cmark_strbuf *buf);
void cmark_strbuf_swap(cmark_strbuf *buf_a, cmark_strbuf *buf_b);
bufsize_t cmark_strbuf_len(const cmark_strbuf *buf);
int cmark_strbuf_cmp(const cmark_strbuf *a, const cmark_strbuf *b);
unsigned char *cmark_strbuf_detach(cmark_strbuf *buf);
void cmark_strbuf_copy_cstr(char *data, bufsize_t datasize,
const cmark_strbuf *buf);
static CMARK_INLINE const char *cmark_strbuf_cstr(const cmark_strbuf *buf) {
return (char *)buf->ptr;
}
#define cmark_strbuf_at(buf, n) ((buf)->ptr[n])
void cmark_strbuf_set(cmark_strbuf *buf, const unsigned char *data,
bufsize_t len);
void cmark_strbuf_sets(cmark_strbuf *buf, const char *string);
void cmark_strbuf_putc(cmark_strbuf *buf, int c);
void cmark_strbuf_put(cmark_strbuf *buf, const unsigned char *data,
bufsize_t len);
void cmark_strbuf_puts(cmark_strbuf *buf, const char *string);
void cmark_strbuf_clear(cmark_strbuf *buf);
bufsize_t cmark_strbuf_strchr(const cmark_strbuf *buf, int c, bufsize_t pos);
bufsize_t cmark_strbuf_strrchr(const cmark_strbuf *buf, int c, bufsize_t pos);
void cmark_strbuf_drop(cmark_strbuf *buf, bufsize_t n);
void cmark_strbuf_truncate(cmark_strbuf *buf, bufsize_t len);
void cmark_strbuf_rtrim(cmark_strbuf *buf);
void cmark_strbuf_trim(cmark_strbuf *buf);
void cmark_strbuf_normalize_whitespace(cmark_strbuf *s);
void cmark_strbuf_unescape(cmark_strbuf *s);
#ifdef __cplusplus
}
#endif
#endif
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