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#ifndef CMARK_CHUNK_H
#define CMARK_CHUNK_H
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include "cmark.h"
#include "buffer.h"
#include "cmark_ctype.h"
#define CMARK_CHUNK_EMPTY \
{ NULL, 0 }
typedef struct {
const unsigned char *data;
bufsize_t len;
} cmark_chunk;
static CMARK_INLINE void cmark_chunk_free(cmark_chunk *c) {
c->data = NULL;
c->len = 0;
}
static CMARK_INLINE void cmark_chunk_ltrim(cmark_chunk *c) {
while (c->len && cmark_isspace(c->data[0])) {
c->data++;
c->len--;
}
}
static CMARK_INLINE void cmark_chunk_rtrim(cmark_chunk *c) {
while (c->len > 0) {
if (!cmark_isspace(c->data[c->len - 1]))
break;
c->len--;
}
}
static CMARK_INLINE void cmark_chunk_trim(cmark_chunk *c) {
cmark_chunk_ltrim(c);
cmark_chunk_rtrim(c);
}
static CMARK_INLINE bufsize_t cmark_chunk_strchr(cmark_chunk *ch, int c,
bufsize_t offset) {
const unsigned char *p =
(unsigned char *)memchr(ch->data + offset, c, ch->len - offset);
return p ? (bufsize_t)(p - ch->data) : ch->len;
}
static CMARK_INLINE cmark_chunk cmark_chunk_literal(const char *data) {
bufsize_t len = data ? (bufsize_t)strlen(data) : 0;
cmark_chunk c = {(unsigned char *)data, len};
return c;
}
static CMARK_INLINE cmark_chunk cmark_chunk_dup(const cmark_chunk *ch,
bufsize_t pos, bufsize_t len) {
cmark_chunk c = {ch->data + pos, len};
return c;
}
#endif
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