kernel/inc/utils/string.h

// This file is part of noxos and licensed under the MIT open source license

#ifndef NOX_STRING_H
#define NOX_STRING_H

#include "stdtypes.h"
#include <stdarg.h>

#define STRING_EXT_SIZE(n) ((n) + 5)

typedef const char* string_t;

typedef enum {
    STRING_EXT_CMD_CLEAR,
    STRING_EXT_CMD_CURSOR_MOVE,
    STRING_EXT_CMD_CURSOR_SET,
    STRING_EXT_CMD_COLOR_SET,
    STRING_EXT_CMD_COLOR_RESET,
    STRING_EXT_CMD_RENDER_DISABLE,
    STRING_EXT_CMD_RENDER_ENABLE,
    STRING_EXT_CMD_KEYBOARD_ECHO
} string_ext_command_E;

typedef struct {
    uint8_t     shift_in;
    uint16_t    length;
    uint8_t     command;
    uint8_t     data;
    // DATA BLOCKS
    // SHIFT OUT
}__attribute__((packed)) string_ext_header_T;

uint32_t    string_length                   (string_t string);
bool        string_compare                  (string_t a, string_t b);
uint32_t    string_find_next                (string_t string, char chr);
uint32_t    string_find_last                (string_t string, char chr);
void        string_add_ext_command          (string_t string, string_ext_command_E command, int num_data, uint8_t data[]);

uint64_t    variadic_format_size            (string_t string, va_list args);
uint64_t    format_size                     (string_t string, ...);
void        variadic_format                 (string_t output, string_t string, va_list args);
void        format                          (string_t output, string_t string, ...);

void        string_unsigned_dec_to_alpha    (string_t string, uint64_t value);
void        string_dec_to_alpha             (string_t string, int64_t value);
void        string_hex_8bit_to_alpha        (string_t string, uint8_t value);
void        string_hex_16bit_to_alpha       (string_t string, uint16_t value);
void        string_hex_32bit_to_alpha       (string_t string, uint32_t value);
void        string_hex_64bit_to_alpha       (string_t string, uint64_t value);
void        string_bin_to_alpha             (string_t string, uint8_t num_bits, uint64_t value);
void        string_bool_to_alpha            (string_t string, bool value);

bool        string_is_char_text             (char chr);
bool        string_is_char_number           (char chr);
bool        string_is_char_special          (char chr);
bool        string_is_char_alpha            (char chr);
bool        string_is_char_uppercase        (char chr);
bool        string_is_char_lowercase        (char chr);

uint32_t    string_hash_djb                 (string_t str);

#endif //NOX_STRING_H