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-rw-r--r--textures_gravelback/advtrains_track_cr.pngbin84648 -> 0 bytes
-rw-r--r--textures_gravelback/advtrains_track_cr_45.pngbin85734 -> 0 bytes
-rw-r--r--textures_gravelback/advtrains_track_st.pngbin67368 -> 0 bytes
-rw-r--r--textures_gravelback/advtrains_track_st_45.pngbin88782 -> 0 bytes
-rw-r--r--textures_gravelback/advtrains_track_swl_cr.pngbin83089 -> 0 bytes
-rw-r--r--textures_gravelback/advtrains_track_swl_cr_45.pngbin90284 -> 0 bytes
-rw-r--r--textures_gravelback/advtrains_track_swl_st.pngbin82548 -> 0 bytes
-rw-r--r--textures_gravelback/advtrains_track_swl_st_45.pngbin90485 -> 0 bytes
-rw-r--r--textures_gravelback/advtrains_track_swr_cr.pngbin84070 -> 0 bytes
-rw-r--r--textures_gravelback/advtrains_track_swr_cr_45.pngbin90410 -> 0 bytes
-rw-r--r--textures_gravelback/advtrains_track_swr_st.pngbin83421 -> 0 bytes
-rw-r--r--textures_gravelback/advtrains_track_swr_st_45.pngbin90641 -> 0 bytes
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generated by cgit v1.2.3 (git 2.39.1) at 2025-01-12 18:10:56 +0000
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/*
Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include "string.h"
#include "pointer.h"
#include "numeric.h"
#include "log.h"

#include "hex.h"
#include "../porting.h"

#include <sstream>
#include <iomanip>
#include <map>

#ifndef _WIN32
	#include <iconv.h>
#else
	#define _WIN32_WINNT 0x0501
	#include <windows.h>
#endif

#if defined(_ICONV_H_) && (defined(__FreeBSD__) || defined(__NetBSD__) || \
	defined(__OpenBSD__) || defined(__DragonFly__))
	#define BSD_ICONV_USED
#endif

static bool parseHexColorString(const std::string &value, video::SColor &color);
static bool parseNamedColorString(const std::string &value, video::SColor &color);

#ifndef _WIN32

bool convert(const char *to, const char *from, char *outbuf,
		size_t outbuf_size, char *inbuf, size_t inbuf_size)
{
	iconv_t cd = iconv_open(to, from);

#ifdef BSD_ICONV_USED
	const char *inbuf_ptr = inbuf;
#else
	char *inbuf_ptr = inbuf;
#endif

	char *outbuf_ptr = outbuf;

	size_t *inbuf_left_ptr = &inbuf_size;
	size_t *outbuf_left_ptr = &outbuf_size;

	size_t old_size = inbuf_size;
	while (inbuf_size > 0) {
		iconv(cd, &inbuf_ptr, inbuf_left_ptr, &outbuf_ptr, outbuf_left_ptr);
		if (inbuf_size == old_size) {
			iconv_close(cd);
			return false;
		}
		old_size = inbuf_size;
	}

	iconv_close(cd);
	return true;
}

std::wstring utf8_to_wide(const std::string &input)
{
	size_t inbuf_size = input.length() + 1;
	// maximum possible size, every character is sizeof(wchar_t) bytes
	size_t outbuf_size = (input.length() + 1) * sizeof(wchar_t);

	char *inbuf = new char[inbuf_size];
	memcpy(inbuf, input.c_str(), inbuf_size);
	char *outbuf = new char[outbuf_size];
	memset(outbuf, 0, outbuf_size);

	if (!convert("WCHAR_T", "UTF-8", outbuf, outbuf_size, inbuf, inbuf_size)) {
		infostream << "Couldn't convert UTF-8 string 0x" << hex_encode(input)
			<< " into wstring" << std::endl;
		delete[] inbuf;
		delete[] outbuf;
		return L"<invalid UTF-8 string>";
	}
	std::wstring out((wchar_t *)outbuf);

	delete[] inbuf;
	delete[] outbuf;

	return out;
}

#ifdef __ANDROID__
// TODO: this is an ugly fix for wide_to_utf8 somehow not working on android
std::string wide_to_utf8(const std::wstring &input)
{
	return wide_to_narrow(input);
}
#else
std::string wide_to_utf8(const std::wstring &input)
{
	size_t inbuf_size = (input.length() + 1) * sizeof(wchar_t);
	// maximum possible size: utf-8 encodes codepoints using 1 up to 6 bytes
	size_t outbuf_size = (input.length() + 1) * 6;

	char *inbuf = new char[inbuf_size];
	memcpy(inbuf, input.c_str(), inbuf_size);
	char *outbuf = new char[outbuf_size];
	memset(outbuf, 0, outbuf_size);

	if (!convert("UTF-8", "WCHAR_T", outbuf, outbuf_size, inbuf, inbuf_size)) {
		infostream << "Couldn't convert wstring 0x" << hex_encode(inbuf, inbuf_size)
			<< " into UTF-8 string" << std::endl;
		delete[] inbuf;
		delete[] outbuf;
		return "<invalid wstring>";
	}
	std::string out(outbuf);

	delete[] inbuf;
	delete[] outbuf;

	return out;
}

#endif
#else // _WIN32

std::wstring utf8_to_wide(const std::string &input)
{
	size_t outbuf_size = input.size() + 1;
	wchar_t *outbuf = new wchar_t[outbuf_size];
	memset(outbuf, 0, outbuf_size * sizeof(wchar_t));
	MultiByteToWideChar(CP_UTF8, 0, input.c_str(), input.size(),
		outbuf, outbuf_size);
	std::wstring out(outbuf);
	delete[] outbuf;
	return out;
}

std::string wide_to_utf8(const std::wstring &input)
{
	size_t outbuf_size = (input.size() + 1) * 6;
	char *outbuf = new char[outbuf_size];
	memset(outbuf, 0, outbuf_size);
	WideCharToMultiByte(CP_UTF8, 0, input.c_str(), input.size(),
		outbuf, outbuf_size, NULL, NULL);
	std::string out(outbuf);
	delete[] outbuf;
	return out;
}

#endif // _WIN32

wchar_t *utf8_to_wide_c(const char *str)
{
	std::wstring ret = utf8_to_wide(std::string(str)).c_str();
	size_t len = ret.length();
	wchar_t *ret_c = new wchar_t[len + 1];
	memset(ret_c, 0, (len + 1) * sizeof(wchar_t));
	memcpy(ret_c, ret.c_str(), len * sizeof(wchar_t));
	return ret_c;
}

// You must free the returned string!
// The returned string is allocated using new
wchar_t *narrow_to_wide_c(const char *str)
{
	wchar_t *nstr = NULL;
#if defined(_WIN32)
	int nResult = MultiByteToWideChar(CP_UTF8, 0, (LPCSTR) str, -1, 0, 0);
	if (nResult == 0) {
		errorstream<<"gettext: MultiByteToWideChar returned null"<<std::endl;
	} else {
		nstr = new wchar_t[nResult];
		MultiByteToWideChar(CP_UTF8, 0, (LPCSTR) str, -1, (WCHAR *) nstr, nResult);
	}
#else
	size_t len = strlen(str);
	nstr = new wchar_t[len + 1];

	std::wstring intermediate = narrow_to_wide(str);
	memset(nstr, 0, (len + 1) * sizeof(wchar_t));
	memcpy(nstr, intermediate.c_str(), len * sizeof(wchar_t));
#endif

	return nstr;
}


#ifdef __ANDROID__

const wchar_t* wide_chars =
	L" !\"#$%&'()*+,-./0123456789:;<=>?@"
	L"ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
	L"abcdefghijklmnopqrstuvwxyz{|}~";

int wctomb(char *s, wchar_t wc)
{
	for (unsigned int j = 0; j < (sizeof(wide_chars)/sizeof(wchar_t));j++) {
		if (wc == wide_chars[j]) {
			*s = (char) (j+32);
			return 1;
		}
		else if (wc == L'\n') {
			*s = '\n';
			return 1;
		}
	}
	return -1;
}

int mbtowc(wchar_t *pwc, const char *s, size_t n)
{
	std::wstring intermediate = narrow_to_wide(s);

	if (intermediate.length() > 0) {
		*pwc = intermediate[0];