104 lines
3.9 KiB
C++
104 lines
3.9 KiB
C++
/*************************************************************************/
|
|
/* string_buffer.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
|
|
/* */
|
|
/* 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 "string_buffer.h"
|
|
|
|
#include <string.h>
|
|
|
|
StringBuffer &StringBuffer::append(CharType p_char) {
|
|
reserve(string_length + 2);
|
|
current_buffer_ptr()[string_length++] = p_char;
|
|
return *this;
|
|
}
|
|
|
|
StringBuffer &StringBuffer::append(const String &p_string) {
|
|
return append(p_string.c_str());
|
|
}
|
|
|
|
StringBuffer &StringBuffer::append(const char *p_str) {
|
|
int len = strlen(p_str);
|
|
reserve(string_length + len + 1);
|
|
|
|
CharType *buf = current_buffer_ptr();
|
|
for (const char *c_ptr = p_str; *c_ptr; ++c_ptr) {
|
|
buf[string_length++] = *c_ptr;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
StringBuffer &StringBuffer::append(const CharType *p_str, int p_clip_to_len) {
|
|
int len = 0;
|
|
while ((p_clip_to_len < 0 || len < p_clip_to_len) && p_str[len]) {
|
|
++len;
|
|
}
|
|
reserve(string_length + len + 1);
|
|
memcpy(&(current_buffer_ptr()[string_length]), p_str, len * sizeof(CharType));
|
|
string_length += len;
|
|
|
|
return *this;
|
|
}
|
|
|
|
StringBuffer &StringBuffer::reserve(int p_size) {
|
|
if (p_size < SHORT_BUFFER_SIZE || p_size < buffer.size())
|
|
return *this;
|
|
|
|
bool need_copy = string_length > 0 && buffer.empty();
|
|
buffer.resize(next_power_of_2(p_size));
|
|
if (need_copy) {
|
|
memcpy(buffer.ptrw(), short_buffer, string_length * sizeof(CharType));
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
int StringBuffer::length() const {
|
|
return string_length;
|
|
}
|
|
|
|
String StringBuffer::as_string() {
|
|
current_buffer_ptr()[string_length] = '\0';
|
|
if (buffer.empty()) {
|
|
return String(short_buffer);
|
|
} else {
|
|
buffer.resize(string_length + 1);
|
|
return buffer;
|
|
}
|
|
}
|
|
|
|
double StringBuffer::as_double() {
|
|
current_buffer_ptr()[string_length] = '\0';
|
|
return String::to_double(current_buffer_ptr());
|
|
}
|
|
|
|
int64_t StringBuffer::as_int() {
|
|
current_buffer_ptr()[string_length] = '\0';
|
|
return String::to_int(current_buffer_ptr());
|
|
}
|