/**************************************************************************/
/* string_utils.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 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 "string_utils.h"
#include "core/io/file_access.h"
#include <stdio.h>
#include <stdlib.h>
namespace {
int sfind(const String &p_text, int p_from) {
if (p_from < 0) {
return -1;
}
int src_len = 2;
int len = p_text.length();
if (len == 0) {
return -1;
}
const char32_t *src = p_text.get_data();
for (int i = p_from; i <= (len - src_len); i++) {
bool found = true;
for (int j = 0; j < src_len; j++) {
int read_pos = i + j;
ERR_FAIL_COND_V(read_pos >= len, -1);
switch (j) {
case 0:
found = src[read_pos] == '%';
break;
case 1: {
char32_t c = src[read_pos];
found = src[read_pos] == 's' || (c >= '0' && c <= '5');
break;
}
default:
found = false;
}
if (!found) {
break;
}
}
if (found) {
return i;
}
}
return -1;
}
} // namespace
String sformat(const String &p_text, const String &p1, const String &p2,
const String &p3, const String &p4, const String &p5, const String &p6) {
if (p_text.length() < 2) {
return p_text;
}
String args[6] = { p1, p2, p3, p4, p5, p6 };
String new_string;
int findex = 0;
int search_from = 0;
int result = 0;
while ((result = sfind(p_text, search_from)) >= 0) {
char32_t c = p_text[result + 1];
int req_index = (c == 's' ? findex++ : c - '0');
new_string += p_text.substr(search_from, result - search_from);
new_string += args[req_index];
search_from = result + 2;
}
new_string += p_text.substr(search_from, p_text.length() - search_from);
return new_string;
}
#ifdef TOOLS_ENABLED
bool is_csharp_keyword(const String &p_name) {
// Reserved keywords
return p_name == "abstract" || p_name == "as" || p_name == "base" || p_name == "bool" ||
p_name == "break" || p_name == "byte" || p_name == "case" || p_name == "catch" ||
p_name == "char" || p_name == "checked" || p_name == "class" || p_name == "const" ||
p_name == "continue" || p_name == "decimal" || p_name == "default" || p_name == "delegate" ||
p_name == "do" || p_name == "double" || p_name == "else" || p_name == "enum" ||
p_name == "event" || p_name == "explicit" || p_name == "extern" || p_name == "false" ||
p_name == "finally" || p_name == "fixed" || p_name == "float" || p_name == "for" ||
p_name == "foreach" || p_name == "goto" || p_name == "if" || p_name == "implicit" ||
p_name == "in" || p_name == "int" || p_name == "interface" || p_name == "internal" ||
p_name == "is" || p_name == "lock" || p_name == "long" || p_name == "namespace" ||
p_name == "new" || p_name == "null" || p_name == "object" || p_name == "operator" ||
p_name == "out" || p_name == "override" || p_name == "params" || p_name == "private" ||
p_name == "protected" || p_name == "public" || p_name == "readonly" || p_name == "ref" ||
p_name == "return" || p_name == "sbyte" || p_name == "sealed" || p_name == "short" ||
p_name == "sizeof" || p_name == "stackalloc" || p_name == "static" || p_name == "string" ||
p_name == "struct" || p_name == "switch" || p_name == "this" || p_name == "throw" ||
p_name == "true" || p_name == "try" || p_name == "typeof" || p_name == "uint" || p_name == "ulong" ||
p_name == "unchecked" || p_name == "unsafe" || p_name == "ushort" || p_name == "using" ||
p_name == "virtual" || p_name == "volatile" || p_name == "void" || p_name == "while";
}
String escape_csharp_keyword(const String &p_name) {
return is_csharp_keyword(p_name) ? "@" + p_name : p_name;
}
#endif
Error read_all_file_utf8(const String &p_path, String &r_content) {
Vector<uint8_t> sourcef;
Error err;
Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ, &err);
ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot open file '" + p_path + "'.");
uint64_t len = f->get_length();
sourcef.resize(len + 1);
uint8_t *w = sourcef.ptrw();
uint64_t r = f->get_buffer(w, len);
ERR_FAIL_COND_V(r != len, ERR_CANT_OPEN);
w[len] = 0;
String source;
if (source.parse_utf8((const char *)w) != OK) {
ERR_FAIL_V(ERR_INVALID_DATA);
}
r_content = source;
return OK;
}
// TODO: Move to variadic templates once we upgrade to C++11
String str_format(const char *p_format, ...) {
va_list list;
va_start(list, p_format);
String res = str_format(p_format, list);
va_end(list);
return res;
}
#if defined(MINGW_ENABLED)
#define RSnprintf(m_buffer, m_count, m_format, m_args_copy) vsnprintf_s(m_buffer, m_count, _TRUNCATE, m_format, m_args_copy)
#define RScprintf(m_format, m_args_copy) _vscprintf(m_format, m_args_copy)
#else
#define RSnprintf(m_buffer, m_count, m_format, m_args_copy) vsnprintf(m_buffer, m_count, m_format, m_args_copy)
#define RScprintf(m_format, m_args_copy) vsnprintf(nullptr, 0, p_format, m_args_copy)
#endif
String str_format(const char *p_format, va_list p_list) {
char *buffer = str_format_new(p_format, p_list);
String res(buffer);
memdelete_arr(buffer);
return res;
}
char *str_format_new(const char *p_format, ...) {
va_list list;
va_start(list, p_format);
char *res = str_format_new(p_format, list);
va_end(list);
return res;
}
char *str_format_new(const char *p_format, va_list p_list) {
va_list list;
va_copy(list, p_list);
int len = RScprintf(p_format, list);
va_end(list);
len += 1; // for the trailing '/0'
char *buffer(memnew_arr(char, len));
va_copy(list, p_list);
RSnprintf(buffer, len, p_format, list);
va_end(list);
return buffer;
}
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