diff options
Diffstat (limited to 'textures/base/pack')
0 files changed, 0 insertions, 0 deletions
/*
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];
return 1;
}
else {
return -1;
}
}
std::wstring narrow_to_wide(const std::string &mbs) {
size_t wcl = mbs.size();
std::wstring retval = L"";
for (unsigned int i = 0; i < wcl; i++) {
if (((unsigned char) mbs[i] >31) &&
((unsigned char) mbs[i] < 127)) {
retval += wide_chars[(unsigned char) mbs[i] -32];
}
//handle newline
else if (mbs[i] == '\n') {
retval += L'\n';
}
}
return retval;
}
#else // not Android
std::wstring narrow_to_wide(const std::string &mbs)
{
size_t wcl = mbs.size();
Buffer<wchar_t> wcs(wcl + 1);
size_t len = mbstowcs(*wcs, mbs.c_str(), wcl);
if (len == (size_t)(-1))
return L"<invalid multibyte string>";
wcs[len] = 0;
return *wcs;
}
#endif
#ifdef __ANDROID__
std::string wide_to_narrow(const std::wstring &wcs) {
size_t mbl = wcs.size()*4;
std::string retval = "";
for (unsigned int i = 0; i < wcs.size(); i++) {
wchar_t char1 = (wchar_t) wcs[i];
if (char1 == L'\n') {
retval += '\n';
continue;
}
for (unsigned int j = 0; j < wcslen(wide_chars);j++) {
wchar_t char2 = (wchar_t) wide_chars[j];
if (char1 == char2) {
char toadd = (j+32);
retval += toadd;
break;
}
}
}
return retval;
}
#else // not Android
std::string wide_to_narrow(const std::wstring &wcs)
{
size_t mbl = wcs.size() * 4;
SharedBuffer<char> mbs(mbl+1);
size_t len = wcstombs(*mbs, wcs.c_str(), mbl);
if (len == (size_t)(-1))
return "Character conversion failed!";
else
mbs[len] = 0;
return *mbs;
}
#endif
std::string urlencode(const std::string &str)
{
// Encodes non-unreserved URI characters by a percent sign
// followed by two hex digits. See RFC 3986, section 2.3.
static const char url_hex_chars[] = "0123456789ABCDEF";
std::ostringstream oss(std::ios::binary);
for (u32 i = 0; i < str.size(); i++) {
unsigned char c = str[i];
if (isalnum(c) || c == '-' || c == '.' || c == '_' || c == '~') {
oss << c;
} else {
oss << "%"
<< url_hex_chars[(c & 0xf0) >> 4]
<< url_hex_chars[c & 0x0f];
}
}
return oss.str();
}
std::string urldecode(const std::string &str)
{
// Inverse of urlencode
std::ostringstream oss(std::ios::binary);
for (u32 i = 0; i < str.size(); i++) {
unsigned char highvalue, lowvalue;
if (str[i] == '%' &&
hex_digit_decode(str[i+1], highvalue) &&
hex_digit_decode(str[i+2], lowvalue)) {
oss << (char) ((highvalue << 4) | lowvalue);
i += 2;
} else {
oss << str[i];
}
}
return oss.str();
}
u32 readFlagString(std::string str, const FlagDesc *flagdesc, u32 *flagmask)
{
u32 result = 0;
u32 mask = 0;
char *s = &str[0];
char *flagstr;
char *strpos = NULL;
while ((flagstr = strtok_r(s, ",", &strpos))) {
s = NULL;
while (*flagstr == ' ' || *flagstr == '\t')
flagstr++;
bool flagset = true;
if (!strncasecmp(flagstr, "no", 2)) {
flagset = false;
flagstr += 2;
}
for (int i = 0; flagdesc[i].name; i++) {
if (!strcasecmp(flagstr, flagdesc[i].name)) {
mask |= flagdesc[i].flag;
if (flagset)
result |= flagdesc[i].flag;
break;
}
}
}
if (flagmask)
*flagmask = mask;
return result;
}
std::string writeFlagString(u32 flags, const FlagDesc *flagdesc, u32 flagmask)
{
std::string result;
for (int i = 0; flagdesc[i].name; i++) {
if (flagmask & flagdesc[i].flag) {
if (!(flags & flagdesc[i].flag))
result += "no";
result += flagdesc[i].name;
result += ", ";
}
}
size_t len = result.length();
if (len >= 2)
result.erase(len - 2, 2);
return result;
}
size_t mystrlcpy(char *dst, const char *src, size_t size)
{
size_t srclen = strlen(src) + 1;
size_t copylen = MYMIN(srclen, size);
if (copylen > 0) {
memcpy(dst, src, copylen);
dst[copylen - 1] = '\0';
}
return srclen;
}
char *mystrtok_r(char *s, const char *sep, char **lasts)
{
char *t;
if (!s)
s = *lasts;
while (*s && strchr(sep, *s))
s++;
if (!*s)
return NULL;
t = s;
while (*t) {
if (strchr(sep, *t)) {
*t++ = '\0';
break;
}
t++;
}
*lasts = t;
return s;
}
u64 read_seed(const char *str)
{
char *endptr;
u64 num;
if (str[0] == '0' && str[1] == 'x')
num = strtoull(str, &endptr, 16);
else
num = strtoull(str, &endptr, 10);
if (*endptr)
num = murmur_hash_64_ua(str, (int)strlen(str), 0x1337);
return num;
}
bool parseColorString(const std::string &value, video::SColor &color, bool quiet)
{
bool success;
if (value[0] == '#')
success = parseHexColorString(value, color);
else
success = parseNamedColorString(value, color);
if (!success && !quiet)
errorstream << "Invalid color: \"" << value << "\"" << std::endl;
return success;
}
static bool parseHexColorString(const std::string &value, video::SColor &color)
{
unsigned char components[] = { 0x00, 0x00, 0x00, 0xff }; // R,G,B,A
if (value[0] != '#')
return false;
size_t len = value.size();
bool short_form;
if (len == 9 || len == 7) // #RRGGBBAA or #RRGGBB
short_form = false;
else if (len == 5 || len == 4) // #RGBA or #RGB
short_form = true;
else
return false;
bool success = true;
for (size_t pos = 1, cc = 0; pos < len; pos++, cc++) {
assert(cc < sizeof components / sizeof components[0]);
if (short_form) {
unsigned char d;
if (!hex_digit_decode(value[pos], d)) {
success = false;
break;
}
components[cc] = (d & 0xf) << 4 | (d & 0xf);
} else {
unsigned char d1, d2;
if (!hex_digit_decode(value[pos], d1) ||
!hex_digit_decode(value[pos+1], d2)) {
success = false;
break;
}
components[cc] = (d1 & 0xf) << 4 | (d2 & 0xf);
pos++; // skip the second digit -- it's already used
}
}
if (success) {
color.setRed(components[0]);
color.setGreen(components[1]);
color.setBlue(components[2]);
color.setAlpha(components[3]);
}
return success;
}
struct ColorContainer {
ColorContainer();
std::map<const std::string, u32> colors;
};
ColorContainer::ColorContainer()
{
colors["aliceblue"] = 0xf0f8ff;
colors["antiquewhite"] = 0xfaebd7;
colors["aqua"] = 0x00ffff;
colors["aquamarine"] = 0x7fffd4;
colors["azure"] = 0xf0ffff;
colors["beige"] = 0xf5f5dc;
colors["bisque"] = 0xffe4c4;
colors["black"] = 00000000;
colors["blanchedalmond"] = 0xffebcd;
colors["blue"] = 0x0000ff;
colors["blueviolet"] = 0x8a2be2;
colors["brown"] = 0xa52a2a;
colors["burlywood"] = 0xdeb887;
colors["cadetblue"] = 0x5f9ea0;
colors["chartreuse"] = 0x7fff00;
colors["chocolate"] = 0xd2691e;
colors["coral"] = 0xff7f50;
colors["cornflowerblue"] = 0x6495ed;
colors["cornsilk"] = 0xfff8dc;
colors["crimson"] = 0xdc143c;
colors["cyan"] = 0x00ffff;
colors["darkblue"] = 0x00008b;
colors["darkcyan"] = 0x008b8b;
colors["darkgoldenrod"] = 0xb8860b;
colors["darkgray"] = 0xa9a9a9;
colors["darkgreen"] = 0x006400;
colors["darkgrey"] = 0xa9a9a9;
colors["darkkhaki"] = 0xbdb76b;
colors["darkmagenta"] = 0x8b008b;
colors["darkolivegreen"] = 0x556b2f;
colors["darkorange"] = 0xff8c00;
colors["darkorchid"] = 0x9932cc;