Files
dusk/archive/dusk/util/string.h
2025-08-20 19:18:38 -05:00

118 lines
3.2 KiB
C

/**
* Copyright (c) 2025 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#pragma once
#include "dusk.h"
/**
* Determines if a character is whitespace.
*
* @param c The character to check.
* @return TRUE if the character is whitespace, FALSE otherwise.
*/
bool_t stringIsWhitespace(const char_t c);
/**
* Copies a string from src to dest, ensuring the dest string is null-terminated
* and does not exceed the specified size.
*
* @param dest The destination string.
* @param src The source string.
* @param destSize The size of the destination string exc. null terminator.
*/
void stringCopy(char_t *dest, const char_t *src, const size_t destSize);
/**
* Compares two strings.
*
* @param str1 The first string.
* @param str2 The second string.
* @return 0 if the strings are equal, -1 if str1 is less than str2, 1 if str1
* is greater than str2.
*/
int stringCompare(const char_t *str1, const char_t *str2);
/**
* Trims whitespace from the beginning and end of a string.
*
* @param str The string to trim.
*/
void stringTrim(char_t *str);
/**
* Gets the next token in a string using a delimiter.
* e.g. input: "Hello, World, Happy Monday!" with stringToken(input, ",") will
* return "Hello" then " World" then " Happy Monday!" on each subsequent call.
*
* @param str The string to split.
* @param delim The delimiter to split by.
* @return A pointer to the next token in the string.
*/
char_t * stringToken(char_t *str, const char_t *delim);
/**
* Formats a string.
*
* @param dest The destination string, or NULL to get the length of the
* formatted string.
* @param destSize The size of the destination string exc. null terminator, can
* be anything if dest is NULL.
* @param format The format string.
* @param ... The arguments to format.
* @return The number of characters written.
*/
int32_t stringFormat(
char_t *dest,
const size_t destSize,
const char_t *format,
...
);
/**
* Formats a string using a va_list.
*
* @param dest The destination string, or NULL to get the length of the
* formatted string.
* @param destSize The size of the destination string exc. null terminator, can
* be anything if dest is NULL.
* @param format The format string.
* @param args The va_list of arguments.
* @return The number of characters written.
*/
int32_t stringFormatVA(
char_t *dest,
const size_t destSize,
const char_t *format,
const va_list args
);
/**
* Converts a string to an integer.
*
* @param str The string to convert.
* @param out The output integer.
* @return TRUE if the conversion was successful, FALSE otherwise.
*/
bool_t stringToI32(const char_t *str, int32_t *out);
/**
* Converts a string to a signed 16-bit integer.
*
* @param str The string to convert.
* @param out The output signed integer.
* @return TRUE if the conversion was successful, FALSE otherwise.
*/
bool_t stringToI16(const char_t *str, int16_t *out);
/**
* Converts a string to an unsigned 16-bit integer.
*
* @param str The string to convert.
* @param out The output unsigned integer.
* @return TRUE if the conversion was successful, FALSE otherwise.
*/
bool_t stringToU16(const char_t *str, uint16_t *out);