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/*************************************************************************/
/* string_utils.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_utils.h"
#include "core/os/file_access.h"
#include <stdio.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 (src_len == 0 || len == 0)
return -1;
const CharType *src = p_text.c_str();
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;
if (read_pos >= len) {
ERR_PRINT("read_pos >= len");
return -1;
};
switch (j) {
case 0:
found = src[read_pos] == '%';
break;
case 1: {
CharType c = src[read_pos];
found = src[read_pos] == 's' || (c >= '0' || c <= '4');
break;
}
default:
found = false;
}
if (!found) {
break;
}
}
if (found)
return i;
}
return -1;
}
} // namespace
String sformat(const String &p_text, const Variant &p1, const Variant &p2, const Variant &p3, const Variant &p4, const Variant &p5) {
if (p_text.length() < 2)
return p_text;
Array args;
if (p1.get_type() != Variant::NIL) {
args.push_back(p1);
if (p2.get_type() != Variant::NIL) {
args.push_back(p2);
if (p3.get_type() != Variant::NIL) {
args.push_back(p3);
if (p4.get_type() != Variant::NIL) {
args.push_back(p4);
if (p5.get_type() != Variant::NIL) {
args.push_back(p5);
}
}
}
}
}
String new_string;
int findex = 0;
int search_from = 0;
int result = 0;
while ((result = sfind(p_text, search_from)) >= 0) {
CharType 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].operator String();
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 == "forech" || 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) {
PoolVector<uint8_t> sourcef;
Error err;
FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err);
ERR_FAIL_COND_V(err != OK, err);
int len = f->get_len();
sourcef.resize(len + 1);
PoolVector<uint8_t>::Write w = sourcef.write();
int r = f->get_buffer(w.ptr(), len);
f->close();
memdelete(f);
ERR_FAIL_COND_V(r != len, ERR_CANT_OPEN);
w[len] = 0;
String source;
if (source.parse_utf8((const char *)w.ptr())) {
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;
}
// va_copy was defined in the C99, but not in C++ standards before C++11.
// When you compile C++ without --std=c++<XX> option, compilers still define
// va_copy, otherwise you have to use the internal version (__va_copy).
#if !defined(va_copy)
#if defined(__GNUC__)
#define va_copy(d, s) __va_copy((d), (s))
#else
#define va_copy(d, s) ((d) = (s))
#endif
#endif
#if defined(MINGW_ENABLED) || defined(_MSC_VER)
#define vsnprintf vsnprintf_s
#endif
String str_format(const char *p_format, va_list p_list) {
va_list list;
va_copy(list, p_list);
int len = vsnprintf(NULL, 0, p_format, list);
va_end(list);
len += 1; // for the trailing '/0'
char *buffer(memnew_arr(char, len));
va_copy(list, p_list);
vsnprintf(buffer, len, p_format, list);
va_end(list);
String res(buffer);
memdelete_arr(buffer);
return res;
}
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