diff options
Diffstat (limited to 'depends/hoedown/include/hoedown/buffer.h')
-rw-r--r-- | depends/hoedown/include/hoedown/buffer.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/depends/hoedown/include/hoedown/buffer.h b/depends/hoedown/include/hoedown/buffer.h new file mode 100644 index 00000000..d7703f8d --- /dev/null +++ b/depends/hoedown/include/hoedown/buffer.h @@ -0,0 +1,134 @@ +/* buffer.h - simple, fast buffers */ + +#ifndef HOEDOWN_BUFFER_H +#define HOEDOWN_BUFFER_H + +#include <stdio.h> +#include <stddef.h> +#include <stdarg.h> +#include <stdint.h> +#include <stdlib.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(_MSC_VER) +#define __attribute__(x) +#define inline __inline +#define __builtin_expect(x,n) x +#endif + + +/********* + * TYPES * + *********/ + +typedef void *(*hoedown_realloc_callback)(void *, size_t); +typedef void (*hoedown_free_callback)(void *); + +struct hoedown_buffer { + uint8_t *data; /* actual character data */ + size_t size; /* size of the string */ + size_t asize; /* allocated size (0 = volatile buffer) */ + size_t unit; /* reallocation unit size (0 = read-only buffer) */ + + hoedown_realloc_callback data_realloc; + hoedown_free_callback data_free; + hoedown_free_callback buffer_free; +}; + +typedef struct hoedown_buffer hoedown_buffer; + + +/************* + * FUNCTIONS * + *************/ + +/* allocation wrappers */ +void *hoedown_malloc(size_t size) __attribute__ ((malloc)); +void *hoedown_calloc(size_t nmemb, size_t size) __attribute__ ((malloc)); +void *hoedown_realloc(void *ptr, size_t size) __attribute__ ((malloc)); + +/* hoedown_buffer_init: initialize a buffer with custom allocators */ +void hoedown_buffer_init( + hoedown_buffer *buffer, + size_t unit, + hoedown_realloc_callback data_realloc, + hoedown_free_callback data_free, + hoedown_free_callback buffer_free +); + +/* hoedown_buffer_uninit: uninitialize an existing buffer */ +void hoedown_buffer_uninit(hoedown_buffer *buf); + +/* hoedown_buffer_new: allocate a new buffer */ +hoedown_buffer *hoedown_buffer_new(size_t unit) __attribute__ ((malloc)); + +/* hoedown_buffer_reset: free internal data of the buffer */ +void hoedown_buffer_reset(hoedown_buffer *buf); + +/* hoedown_buffer_grow: increase the allocated size to the given value */ +void hoedown_buffer_grow(hoedown_buffer *buf, size_t neosz); + +/* hoedown_buffer_put: append raw data to a buffer */ +void hoedown_buffer_put(hoedown_buffer *buf, const uint8_t *data, size_t size); + +/* hoedown_buffer_puts: append a NUL-terminated string to a buffer */ +void hoedown_buffer_puts(hoedown_buffer *buf, const char *str); + +/* hoedown_buffer_putc: append a single char to a buffer */ +void hoedown_buffer_putc(hoedown_buffer *buf, uint8_t c); + +/* hoedown_buffer_putf: read from a file and append to a buffer, until EOF or error */ +int hoedown_buffer_putf(hoedown_buffer *buf, FILE* file); + +/* hoedown_buffer_set: replace the buffer's contents with raw data */ +void hoedown_buffer_set(hoedown_buffer *buf, const uint8_t *data, size_t size); + +/* hoedown_buffer_sets: replace the buffer's contents with a NUL-terminated string */ +void hoedown_buffer_sets(hoedown_buffer *buf, const char *str); + +/* hoedown_buffer_eq: compare a buffer's data with other data for equality */ +int hoedown_buffer_eq(const hoedown_buffer *buf, const uint8_t *data, size_t size); + +/* hoedown_buffer_eq: compare a buffer's data with NUL-terminated string for equality */ +int hoedown_buffer_eqs(const hoedown_buffer *buf, const char *str); + +/* hoedown_buffer_prefix: compare the beginning of a buffer with a string */ +int hoedown_buffer_prefix(const hoedown_buffer *buf, const char *prefix); + +/* hoedown_buffer_slurp: remove a given number of bytes from the head of the buffer */ +void hoedown_buffer_slurp(hoedown_buffer *buf, size_t size); + +/* hoedown_buffer_cstr: NUL-termination of the string array (making a C-string) */ +const char *hoedown_buffer_cstr(hoedown_buffer *buf); + +/* hoedown_buffer_printf: formatted printing to a buffer */ +void hoedown_buffer_printf(hoedown_buffer *buf, const char *fmt, ...) __attribute__ ((format (printf, 2, 3))); + +/* hoedown_buffer_put_utf8: put a Unicode character encoded as UTF-8 */ +void hoedown_buffer_put_utf8(hoedown_buffer *buf, unsigned int codepoint); + +/* hoedown_buffer_free: free the buffer */ +void hoedown_buffer_free(hoedown_buffer *buf); + + +/* HOEDOWN_BUFPUTSL: optimized hoedown_buffer_puts of a string literal */ +#define HOEDOWN_BUFPUTSL(output, literal) \ + hoedown_buffer_put(output, (const uint8_t *)literal, sizeof(literal) - 1) + +/* HOEDOWN_BUFSETSL: optimized hoedown_buffer_sets of a string literal */ +#define HOEDOWN_BUFSETSL(output, literal) \ + hoedown_buffer_set(output, (const uint8_t *)literal, sizeof(literal) - 1) + +/* HOEDOWN_BUFEQSL: optimized hoedown_buffer_eqs of a string literal */ +#define HOEDOWN_BUFEQSL(output, literal) \ + hoedown_buffer_eq(output, (const uint8_t *)literal, sizeof(literal) - 1) + + +#ifdef __cplusplus +} +#endif + +#endif /** HOEDOWN_BUFFER_H **/ |