pandemonium_engine/core/string/char_utils.h

#ifndef CHAR_UTILS_H
#define CHAR_UTILS_H

/*************************************************************************/
/*  char_utils.h                                                         */
/*************************************************************************/
/*                         This file is part of:                         */
/*                          PANDEMONIUM ENGINE                           */
/*             https://github.com/Relintai/pandemonium_engine            */
/*************************************************************************/
/* Copyright (c) 2022-present Péter Magyar.                              */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#include "core/typedefs.h"

#include "char_range.inc"

static _FORCE_INLINE_ bool is_unicode_identifier_start(char32_t c) {
	for (int i = 0; xid_start[i].start != 0; i++) {
		if (c >= xid_start[i].start && c <= xid_start[i].end) {
			return true;
		}
	}
	return false;
}

static _FORCE_INLINE_ bool is_unicode_identifier_continue(char32_t c) {
	for (int i = 0; xid_continue[i].start != 0; i++) {
		if (c >= xid_continue[i].start && c <= xid_continue[i].end) {
			return true;
		}
	}
	return false;
}

static _FORCE_INLINE_ bool is_ascii_upper_case(char32_t c) {
	return (c >= 'A' && c <= 'Z');
}

static _FORCE_INLINE_ bool is_ascii_lower_case(char32_t c) {
	return (c >= 'a' && c <= 'z');
}

static _FORCE_INLINE_ bool is_digit(char32_t c) {
	return (c >= '0' && c <= '9');
}

static _FORCE_INLINE_ bool is_hex_digit(char32_t c) {
	return (is_digit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'));
}

static _FORCE_INLINE_ bool is_binary_digit(char32_t c) {
	return (c == '0' || c == '1');
}

static _FORCE_INLINE_ bool is_ascii_char(char32_t c) {
	return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
}

static _FORCE_INLINE_ bool is_ascii_alphanumeric_char(char32_t c) {
	return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9');
}

static _FORCE_INLINE_ bool is_ascii_identifier_char(char32_t c) {
	return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_';
}

static _FORCE_INLINE_ bool is_symbol(char32_t c) {
	return c != '_' && ((c >= '!' && c <= '/') || (c >= ':' && c <= '@') || (c >= '[' && c <= '`') || (c >= '{' && c <= '~') || c == '\t' || c == ' ');
}

static _FORCE_INLINE_ bool is_control(char32_t p_char) {
	return (p_char <= 0x001f) || (p_char >= 0x007f && p_char <= 0x009f);
}

static _FORCE_INLINE_ bool is_whitespace(char32_t p_char) {
	return (p_char == ' ') || (p_char == 0x00a0) || (p_char == 0x1680) || (p_char >= 0x2000 && p_char <= 0x200a) || (p_char == 0x202f) || (p_char == 0x205f) || (p_char == 0x3000) || (p_char == 0x2028) || (p_char == 0x2029) || (p_char >= 0x0009 && p_char <= 0x000d) || (p_char == 0x0085);
}

static _FORCE_INLINE_ bool is_linebreak(char32_t p_char) {
	return (p_char >= 0x000a && p_char <= 0x000d) || (p_char == 0x0085) || (p_char == 0x2028) || (p_char == 0x2029);
}

static _FORCE_INLINE_ bool is_punct(char32_t p_char) {
	return (p_char >= ' ' && p_char <= '/') || (p_char >= ':' && p_char <= '@') || (p_char >= '[' && p_char <= '^') || (p_char == '`') || (p_char >= '{' && p_char <= '~') || (p_char >= 0x2000 && p_char <= 0x206f) || (p_char >= 0x3000 && p_char <= 0x303f);
}

static _FORCE_INLINE_ bool is_underscore(char32_t p_char) {
	return (p_char == '_');
}

#endif // CHAR_UTILS_H