kc3-lang/kc3/libkc3/buf.h

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• Hash : 414dca15
  Author : Thomas de Grivel
  Date : 2024-12-04T20:19:29
  

  wip buf->rwlock

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• libkc3/buf.h

• /* kc3
   * Copyright 2022,2023,2024 kmx.io <contact@kmx.io>
   *
   * Permission is hereby granted to use this software granted the above
   * copyright notice and this permission paragraph are included in all
   * copies and substantial portions of this software.
   *
   * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
   * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
   * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
   * THIS SOFTWARE.
   */
  /**
   * @file buf.h
   * @brief Byte buffer.
   *
   * Structure to manipulate byte buffers.
   */
  #ifndef LIBKC3_BUF_H
  #define LIBKC3_BUF_H
  
  #include <stdarg.h>
  #include <stdlib.h>
  #include "types.h"
  
  #define BUF_SIZE 10240
  
  #define PROTO_BUF_PEEK(type)                                           \
    sw buf_peek_ ## type (s_buf *buf, type *dest)
  
  #define PROTO_BUF_READ(type)                                           \
    sw buf_read_ ## type (s_buf *buf, type *dest)
  
  /* Stack-allocation compatible functions, call buf_clean after use. */
  void    buf_clean (s_buf *buf);
  s_buf * buf_init (s_buf *buf, bool p_free, uw size, char *p);
  s_buf * buf_init_const (s_buf *buf, uw size, const char *p);
  s_buf * buf_init_1 (s_buf *buf, bool p_free, char *p);
  s_buf * buf_init_1_const (s_buf *buf, const char *p);
  s_buf * buf_init_alloc (s_buf *buf, uw size);
  s_buf * buf_init_str (s_buf *buf, bool free, s_str *p);
  s_buf * buf_init_str_const (s_buf *buf, const s_str *p);
  s_buf * buf_init_str_copy (s_buf *buf, const s_str *str);
  
  /* Heap-allocation compatible functions, call buf_delete after use. */
  void    buf_delete (s_buf *buf);
  s_buf * buf_new (bool free, uw size, char *p);
  s_buf * buf_new_1 (bool free, uw size, char *p);
  s_buf * buf_new_alloc (uw bytes);
  s_buf * buf_new_str (s_str *str);
  
  /* Operators. */
  void    buf_empty (s_buf *buf);
  sw      buf_f (s_buf *buf, const char *fmt, ...);
  sw      buf_flush (s_buf *buf);
  sw      buf_ignore (s_buf *buf, uw size);
  sw      buf_ignore_line (s_buf *buf);
  sw      buf_ignore_newline (s_buf *buf);
  sw      buf_ignore_spaces (s_buf *buf);
  sw      buf_ignore_spaces_but_newline (s_buf *buf);
  sw      buf_peek_1 (s_buf *buf, const char *p);
  sw      buf_peek_character_utf8 (s_buf *buf, character *p);
  PROTO_BUF_PEEK(f32);
  PROTO_BUF_PEEK(f64);
  sw      buf_peek_next_character_utf8 (s_buf *buf, character *p);
  PROTO_BUF_PEEK(s8);
  PROTO_BUF_PEEK(s16);
  PROTO_BUF_PEEK(s32);
  PROTO_BUF_PEEK(s64);
  PROTO_BUF_PEEK(sw);
  sw      buf_peek_str (s_buf *buf, const s_str *src);
  sw      buf_peek_to_str (s_buf *buf, s_str *dest);
  PROTO_BUF_PEEK(u8);
  PROTO_BUF_PEEK(u16);
  PROTO_BUF_PEEK(u32);
  PROTO_BUF_PEEK(u64);
  PROTO_BUF_PEEK(uw);
  sw      buf_read_integer (s_buf *buf, s_integer *dst);
  sw      buf_read_character_utf8 (s_buf *buf, character *p);
  s_str * buf_read (s_buf *buf, uw size, s_str *dest);
  sw      buf_read_1 (s_buf *buf, const char *p);
  sw      buf_read_f32 (s_buf *buf, f32 *p);
  sw      buf_read_f64 (s_buf *buf, f64 *p);
  sw      buf_read_s8 (s_buf *buf, s8 *p);
  sw      buf_read_s16 (s_buf *buf, s16 *p);
  sw      buf_read_s32 (s_buf *buf, s32 *p);
  sw      buf_read_s64 (s_buf *buf, s64 *p);
  sw      buf_read_str (s_buf *buf, const s_str *src);
  sw      buf_read_sym (s_buf *buf, const s_sym *src);
  s_str * buf_read_to_str (s_buf *buf, s_str *dest);
  sw      buf_read_u8 (s_buf *buf, u8 *p);
  sw      buf_read_u16 (s_buf *buf, u16 *p);
  sw      buf_read_u32 (s_buf *buf, u32 *p);
  sw      buf_read_u64 (s_buf *buf, u64 *p);
  s_str * buf_read_until_1_into_str(s_buf *buf, const char *end,
                                    s_str *dest);
  s_str * buf_read_until_character_into_str (s_buf *buf, character end,
                                             s_str *dest);
  sw      buf_read_until_space_into_str (s_buf *buf, s_str *dest);
  s_str * buf_read_until_str_into_str (s_buf *buf, const s_str *end,
                                       s_str *dest);
  sw      buf_read_integer (s_buf *buf, s_integer *dst);
  sw      buf_refill (s_buf *buf, sw size);
  sw      buf_refill_compact (s_buf *buf);
  s_buf * buf_restore (s_buf *buf, const s_buf *save);
  sw      buf_seek (s_buf *buf, sw offset, u8 whence);
  sw      buf_str_to_hex (s_buf *buf, const s_str *src);
  sw      buf_str_to_hex_size (const s_str *src);
  sw      buf_u8_to_hex (s_buf *buf, const u8 *x);
  sw      buf_u8_to_hex_size (const u8 *x);
  sw      buf_vf (s_buf *buf, const char *fmt, va_list ap);
  sw      buf_write (s_buf *buf, const void *data, uw len);
  sw      buf_write_1 (s_buf *buf, const char *p);
  sw      buf_write_1_size (s_pretty *pretty, const char *p);
  sw      buf_write_character_utf8 (s_buf *buf, character c);
  sw      buf_write_f32 (s_buf *buf, f32 x);
  sw      buf_write_f64 (s_buf *buf, f64 x);
  sw      buf_write_s8 (s_buf *buf, s8 i);
  sw      buf_write_s16 (s_buf *buf, s16 i);
  sw      buf_write_s32 (s_buf *buf, s32 i);
  sw      buf_write_s64 (s_buf *buf, s64 i);
  sw      buf_write_str (s_buf *buf, const s_str *src);
  sw      buf_write_str_size (s_pretty *pretty, const s_str *src);
  sw      buf_write_str_without_indent (s_buf *buf, const s_str *src);
  sw      buf_write_str_without_indent_size (s_pretty *pretty,
                                             const s_str *src);
  sw      buf_write_u8 (s_buf *buf, u8 i);
  sw      buf_write_u16 (s_buf *buf, u16 i);
  sw      buf_write_u32 (s_buf *buf, u32 i);
  sw      buf_write_u64 (s_buf *buf, u64 i);
  sw      buf_xfer (s_buf *buf, s_buf *src, uw size);
  sw      buf_xfer_reverse(s_buf *src, s_buf *dest);
  
  /* Observers. */
  s_str * buf_slice_to_str (const s_buf *buf, uw start, uw end,
                            s_str *dest);
  s_str * buf_to_str (const s_buf *buf, s_str *dest);
  s_ratio * buf_to_ratio (const s_buf *buf, s_ratio *ratio);
  
  #endif /* LIBKC3_BUF_H */
  

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