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			98 lines
		
	
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/**************************************************************************/
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/*  string_builder.cpp                                                    */
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/**************************************************************************/
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/*                         This file is part of:                          */
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/*                             GODOT ENGINE                               */
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/*                        https://godotengine.org                         */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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/*                                                                        */
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/* Permission is hereby granted, free of charge, to any person obtaining  */
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/* a copy of this software and associated documentation files (the        */
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/* "Software"), to deal in the Software without restriction, including    */
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/* without limitation the rights to use, copy, modify, merge, publish,    */
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/* distribute, sublicense, and/or sell copies of the Software, and to     */
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/* permit persons to whom the Software is furnished to do so, subject to  */
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/* the following conditions:                                              */
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/*                                                                        */
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/* The above copyright notice and this permission notice shall be         */
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/* included in all copies or substantial portions of the Software.        */
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/*                                                                        */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
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/**************************************************************************/
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#include "string_builder.h"
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StringBuilder &StringBuilder::append(const String &p_string) {
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	if (p_string.is_empty()) {
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		return *this;
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	}
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	strings.push_back(p_string);
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	appended_strings.push_back(-1);
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	string_length += p_string.length();
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	return *this;
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}
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StringBuilder &StringBuilder::append(const char *p_cstring) {
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	int32_t len = strlen(p_cstring);
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	c_strings.push_back(p_cstring);
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	appended_strings.push_back(len);
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	string_length += len;
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	return *this;
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}
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String StringBuilder::as_string() const {
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	if (string_length == 0) {
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		return "";
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	}
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	String string;
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	string.resize_uninitialized(string_length + 1);
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	char32_t *buffer = string.ptrw();
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	int current_position = 0;
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	int godot_string_elem = 0;
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	int c_string_elem = 0;
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	for (uint32_t i = 0; i < appended_strings.size(); i++) {
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		const int32_t str_len = appended_strings[i];
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		if (str_len == -1) {
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			// Godot string
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			const String &s = strings[godot_string_elem];
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			memcpy(buffer + current_position, s.ptr(), s.length() * sizeof(char32_t));
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			current_position += s.length();
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			godot_string_elem++;
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		} else {
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			const char *s = c_strings[c_string_elem];
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			for (int32_t j = 0; j < str_len; j++) {
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				buffer[current_position + j] = s[j];
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			}
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			current_position += str_len;
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			c_string_elem++;
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		}
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	}
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	buffer[current_position] = 0;
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	return string;
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}
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