Line data Source code
1 : /*
2 : Minetest
3 : Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
4 :
5 : This program is free software; you can redistribute it and/or modify
6 : it under the terms of the GNU Lesser General Public License as published by
7 : the Free Software Foundation; either version 2.1 of the License, or
8 : (at your option) any later version.
9 :
10 : This program is distributed in the hope that it will be useful,
11 : but WITHOUT ANY WARRANTY; without even the implied warranty of
12 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 : GNU Lesser General Public License for more details.
14 :
15 : You should have received a copy of the GNU Lesser General Public License along
16 : with this program; if not, write to the Free Software Foundation, Inc.,
17 : 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 : */
19 :
20 : #include "string.h"
21 : #include "pointer.h"
22 : #include "numeric.h"
23 : #include "log.h"
24 :
25 : #include "hex.h"
26 : #include "../porting.h"
27 :
28 : #include <sstream>
29 : #include <iomanip>
30 : #include <map>
31 :
32 : #ifndef _WIN32
33 : #include <iconv.h>
34 : #else
35 : #define _WIN32_WINNT 0x0501
36 : #include <windows.h>
37 : #endif
38 :
39 : #if defined(_ICONV_H_) && (defined(__FreeBSD__) || defined(__NetBSD__) || \
40 : defined(__OpenBSD__) || defined(__DragonFly__))
41 : #define BSD_ICONV_USED
42 : #endif
43 :
44 : static bool parseHexColorString(const std::string &value, video::SColor &color);
45 : static bool parseNamedColorString(const std::string &value, video::SColor &color);
46 :
47 : #ifndef _WIN32
48 :
49 65 : bool convert(const char *to, const char *from, char *outbuf,
50 : size_t outbuf_size, char *inbuf, size_t inbuf_size)
51 : {
52 65 : iconv_t cd = iconv_open(to, from);
53 :
54 : #ifdef BSD_ICONV_USED
55 : const char *inbuf_ptr = inbuf;
56 : #else
57 65 : char *inbuf_ptr = inbuf;
58 : #endif
59 :
60 65 : char *outbuf_ptr = outbuf;
61 :
62 65 : size_t *inbuf_left_ptr = &inbuf_size;
63 65 : size_t *outbuf_left_ptr = &outbuf_size;
64 :
65 65 : size_t old_size = inbuf_size;
66 195 : while (inbuf_size > 0) {
67 65 : iconv(cd, &inbuf_ptr, inbuf_left_ptr, &outbuf_ptr, outbuf_left_ptr);
68 65 : if (inbuf_size == old_size) {
69 0 : iconv_close(cd);
70 0 : return false;
71 : }
72 65 : old_size = inbuf_size;
73 : }
74 :
75 65 : iconv_close(cd);
76 65 : return true;
77 : }
78 :
79 52 : std::wstring utf8_to_wide(const std::string &input)
80 : {
81 52 : size_t inbuf_size = input.length() + 1;
82 : // maximum possible size, every character is sizeof(wchar_t) bytes
83 52 : size_t outbuf_size = (input.length() + 1) * sizeof(wchar_t);
84 :
85 52 : char *inbuf = new char[inbuf_size];
86 52 : memcpy(inbuf, input.c_str(), inbuf_size);
87 52 : char *outbuf = new char[outbuf_size];
88 52 : memset(outbuf, 0, outbuf_size);
89 :
90 52 : if (!convert("WCHAR_T", "UTF-8", outbuf, outbuf_size, inbuf, inbuf_size)) {
91 0 : infostream << "Couldn't convert UTF-8 string 0x" << hex_encode(input)
92 0 : << " into wstring" << std::endl;
93 0 : delete[] inbuf;
94 0 : delete[] outbuf;
95 0 : return L"<invalid UTF-8 string>";
96 : }
97 104 : std::wstring out((wchar_t *)outbuf);
98 :
99 52 : delete[] inbuf;
100 52 : delete[] outbuf;
101 :
102 52 : return out;
103 : }
104 :
105 : #ifdef __ANDROID__
106 :
107 : // TODO: this is an ugly fix for wide_to_utf8 somehow not working on android
108 : std::string wide_to_utf8(const std::wstring &input)
109 : {
110 : return wide_to_narrow(input);
111 : }
112 :
113 : #else // __ANDROID__
114 :
115 13 : std::string wide_to_utf8(const std::wstring &input)
116 : {
117 13 : size_t inbuf_size = (input.length() + 1) * sizeof(wchar_t);
118 : // maximum possible size: utf-8 encodes codepoints using 1 up to 6 bytes
119 13 : size_t outbuf_size = (input.length() + 1) * 6;
120 :
121 13 : char *inbuf = new char[inbuf_size];
122 13 : memcpy(inbuf, input.c_str(), inbuf_size);
123 13 : char *outbuf = new char[outbuf_size];
124 13 : memset(outbuf, 0, outbuf_size);
125 :
126 13 : if (!convert("UTF-8", "WCHAR_T", outbuf, outbuf_size, inbuf, inbuf_size)) {
127 0 : infostream << "Couldn't convert wstring 0x" << hex_encode(inbuf, inbuf_size)
128 0 : << " into UTF-8 string" << std::endl;
129 0 : delete[] inbuf;
130 0 : delete[] outbuf;
131 0 : return "<invalid wstring>";
132 : }
133 26 : std::string out(outbuf);
134 :
135 13 : delete[] inbuf;
136 13 : delete[] outbuf;
137 :
138 13 : return out;
139 : }
140 :
141 : #endif // __ANDROID__
142 :
143 : #else // _WIN32
144 :
145 : std::wstring utf8_to_wide(const std::string &input)
146 : {
147 : size_t outbuf_size = input.size() + 1;
148 : wchar_t *outbuf = new wchar_t[outbuf_size];
149 : memset(outbuf, 0, outbuf_size * sizeof(wchar_t));
150 : MultiByteToWideChar(CP_UTF8, 0, input.c_str(), input.size(),
151 : outbuf, outbuf_size);
152 : std::wstring out(outbuf);
153 : delete[] outbuf;
154 : return out;
155 : }
156 :
157 : std::string wide_to_utf8(const std::wstring &input)
158 : {
159 : size_t outbuf_size = (input.size() + 1) * 6;
160 : char *outbuf = new char[outbuf_size];
161 : memset(outbuf, 0, outbuf_size);
162 : WideCharToMultiByte(CP_UTF8, 0, input.c_str(), input.size(),
163 : outbuf, outbuf_size, NULL, NULL);
164 : std::string out(outbuf);
165 : delete[] outbuf;
166 : return out;
167 : }
168 :
169 : #endif // _WIN32
170 :
171 : // You must free the returned string!
172 : // The returned string is allocated using new
173 76 : wchar_t *narrow_to_wide_c(const char *str)
174 : {
175 76 : wchar_t *nstr = NULL;
176 : #if defined(_WIN32)
177 : int nResult = MultiByteToWideChar(CP_UTF8, 0, (LPCSTR) str, -1, 0, 0);
178 : if (nResult == 0) {
179 : errorstream<<"gettext: MultiByteToWideChar returned null"<<std::endl;
180 : } else {
181 : nstr = new wchar_t[nResult];
182 : MultiByteToWideChar(CP_UTF8, 0, (LPCSTR) str, -1, (WCHAR *) nstr, nResult);
183 : }
184 : #else
185 76 : size_t len = strlen(str);
186 76 : nstr = new wchar_t[len + 1];
187 :
188 152 : std::wstring intermediate = narrow_to_wide(str);
189 76 : memset(nstr, 0, (len + 1) * sizeof(wchar_t));
190 76 : memcpy(nstr, intermediate.c_str(), len * sizeof(wchar_t));
191 : #endif
192 :
193 152 : return nstr;
194 : }
195 :
196 :
197 : #ifdef __ANDROID__
198 :
199 : const wchar_t* wide_chars =
200 : L" !\"#$%&'()*+,-./0123456789:;<=>?@"
201 : L"ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
202 : L"abcdefghijklmnopqrstuvwxyz{|}~";
203 :
204 : int wctomb(char *s, wchar_t wc)
205 : {
206 : for (unsigned int j = 0; j < (sizeof(wide_chars)/sizeof(wchar_t));j++) {
207 : if (wc == wide_chars[j]) {
208 : *s = (char) (j+32);
209 : return 1;
210 : }
211 : else if (wc == L'\n') {
212 : *s = '\n';
213 : return 1;
214 : }
215 : }
216 : return -1;
217 : }
218 :
219 : int mbtowc(wchar_t *pwc, const char *s, size_t n)
220 : {
221 : std::wstring intermediate = narrow_to_wide(s);
222 :
223 : if (intermediate.length() > 0) {
224 : *pwc = intermediate[0];
225 : return 1;
226 : }
227 : else {
228 : return -1;
229 : }
230 : }
231 :
232 : std::wstring narrow_to_wide(const std::string &mbs) {
233 : size_t wcl = mbs.size();
234 :
235 : std::wstring retval = L"";
236 :
237 : for (unsigned int i = 0; i < wcl; i++) {
238 : if (((unsigned char) mbs[i] >31) &&
239 : ((unsigned char) mbs[i] < 127)) {
240 :
241 : retval += wide_chars[(unsigned char) mbs[i] -32];
242 : }
243 : //handle newline
244 : else if (mbs[i] == '\n') {
245 : retval += L'\n';
246 : }
247 : }
248 :
249 : return retval;
250 : }
251 :
252 : #else // not Android
253 :
254 4828 : std::wstring narrow_to_wide(const std::string &mbs)
255 : {
256 4828 : size_t wcl = mbs.size();
257 9656 : Buffer<wchar_t> wcs(wcl + 1);
258 4828 : size_t len = mbstowcs(*wcs, mbs.c_str(), wcl);
259 4828 : if (len == (size_t)(-1))
260 0 : return L"<invalid multibyte string>";
261 4828 : wcs[len] = 0;
262 4828 : return *wcs;
263 : }
264 :
265 : #endif
266 :
267 : #ifdef __ANDROID__
268 :
269 : std::string wide_to_narrow(const std::wstring &wcs) {
270 : size_t mbl = wcs.size()*4;
271 :
272 : std::string retval = "";
273 : for (unsigned int i = 0; i < wcs.size(); i++) {
274 : wchar_t char1 = (wchar_t) wcs[i];
275 :
276 : if (char1 == L'\n') {
277 : retval += '\n';
278 : continue;
279 : }
280 :
281 : for (unsigned int j = 0; j < wcslen(wide_chars);j++) {
282 : wchar_t char2 = (wchar_t) wide_chars[j];
283 :
284 : if (char1 == char2) {
285 : char toadd = (j+32);
286 : retval += toadd;
287 : break;
288 : }
289 : }
290 : }
291 :
292 : return retval;
293 : }
294 :
295 : #else // not Android
296 :
297 42 : std::string wide_to_narrow(const std::wstring &wcs)
298 : {
299 42 : size_t mbl = wcs.size() * 4;
300 84 : SharedBuffer<char> mbs(mbl+1);
301 42 : size_t len = wcstombs(*mbs, wcs.c_str(), mbl);
302 42 : if (len == (size_t)(-1))
303 0 : return "Character conversion failed!";
304 : else
305 42 : mbs[len] = 0;
306 42 : return *mbs;
307 : }
308 :
309 : #endif
310 :
311 0 : std::string urlencode(std::string str)
312 : {
313 : // Encodes non-unreserved URI characters by a percent sign
314 : // followed by two hex digits. See RFC 3986, section 2.3.
315 : static const char url_hex_chars[] = "0123456789ABCDEF";
316 0 : std::ostringstream oss(std::ios::binary);
317 0 : for (u32 i = 0; i < str.size(); i++) {
318 0 : unsigned char c = str[i];
319 0 : if (isalnum(c) || c == '-' || c == '.' || c == '_' || c == '~')
320 0 : oss << c;
321 : else
322 0 : oss << "%"
323 0 : << url_hex_chars[(c & 0xf0) >> 4]
324 0 : << url_hex_chars[c & 0x0f];
325 : }
326 0 : return oss.str();
327 : }
328 :
329 0 : std::string urldecode(std::string str)
330 : {
331 : // Inverse of urlencode
332 0 : std::ostringstream oss(std::ios::binary);
333 0 : for (u32 i = 0; i < str.size(); i++) {
334 : unsigned char highvalue, lowvalue;
335 0 : if (str[i] == '%' &&
336 0 : hex_digit_decode(str[i+1], highvalue) &&
337 0 : hex_digit_decode(str[i+2], lowvalue)) {
338 0 : oss << (char) ((highvalue << 4) | lowvalue);
339 0 : i += 2;
340 : }
341 : else
342 0 : oss << str[i];
343 : }
344 0 : return oss.str();
345 : }
346 :
347 0 : u32 readFlagString(std::string str, const FlagDesc *flagdesc, u32 *flagmask)
348 : {
349 0 : u32 result = 0, mask = 0;
350 0 : char *s = &str[0];
351 0 : char *flagstr, *strpos = NULL;
352 :
353 0 : while ((flagstr = strtok_r(s, ",", &strpos))) {
354 0 : s = NULL;
355 :
356 0 : while (*flagstr == ' ' || *flagstr == '\t')
357 0 : flagstr++;
358 :
359 0 : bool flagset = true;
360 0 : if (!strncasecmp(flagstr, "no", 2)) {
361 0 : flagset = false;
362 0 : flagstr += 2;
363 : }
364 :
365 0 : for (int i = 0; flagdesc[i].name; i++) {
366 0 : if (!strcasecmp(flagstr, flagdesc[i].name)) {
367 0 : mask |= flagdesc[i].flag;
368 0 : if (flagset)
369 0 : result |= flagdesc[i].flag;
370 0 : break;
371 : }
372 : }
373 : }
374 :
375 0 : if (flagmask)
376 0 : *flagmask = mask;
377 :
378 0 : return result;
379 : }
380 :
381 0 : std::string writeFlagString(u32 flags, const FlagDesc *flagdesc, u32 flagmask)
382 : {
383 0 : std::string result;
384 :
385 0 : for (int i = 0; flagdesc[i].name; i++) {
386 0 : if (flagmask & flagdesc[i].flag) {
387 0 : if (!(flags & flagdesc[i].flag))
388 0 : result += "no";
389 :
390 0 : result += flagdesc[i].name;
391 0 : result += ", ";
392 : }
393 : }
394 :
395 0 : size_t len = result.length();
396 0 : if (len >= 2)
397 0 : result.erase(len - 2, 2);
398 :
399 0 : return result;
400 : }
401 :
402 1 : size_t mystrlcpy(char *dst, const char *src, size_t size)
403 : {
404 1 : size_t srclen = strlen(src) + 1;
405 1 : size_t copylen = MYMIN(srclen, size);
406 :
407 1 : if (copylen > 0) {
408 1 : memcpy(dst, src, copylen);
409 1 : dst[copylen - 1] = '\0';
410 : }
411 :
412 1 : return srclen;
413 : }
414 :
415 0 : char *mystrtok_r(char *s, const char *sep, char **lasts)
416 : {
417 : char *t;
418 :
419 0 : if (!s)
420 0 : s = *lasts;
421 :
422 0 : while (*s && strchr(sep, *s))
423 0 : s++;
424 :
425 0 : if (!*s)
426 0 : return NULL;
427 :
428 0 : t = s;
429 0 : while (*t) {
430 0 : if (strchr(sep, *t)) {
431 0 : *t++ = '\0';
432 0 : break;
433 : }
434 0 : t++;
435 : }
436 :
437 0 : *lasts = t;
438 0 : return s;
439 : }
440 :
441 0 : u64 read_seed(const char *str)
442 : {
443 : char *endptr;
444 : u64 num;
445 :
446 0 : if (str[0] == '0' && str[1] == 'x')
447 0 : num = strtoull(str, &endptr, 16);
448 : else
449 0 : num = strtoull(str, &endptr, 10);
450 :
451 0 : if (*endptr)
452 0 : num = murmur_hash_64_ua(str, (int)strlen(str), 0x1337);
453 :
454 0 : return num;
455 : }
456 :
457 202 : bool parseColorString(const std::string &value, video::SColor &color, bool quiet)
458 : {
459 : bool success;
460 :
461 202 : if (value[0] == '#')
462 198 : success = parseHexColorString(value, color);
463 : else
464 4 : success = parseNamedColorString(value, color);
465 :
466 202 : if (!success && !quiet)
467 0 : errorstream << "Invalid color: \"" << value << "\"" << std::endl;
468 :
469 202 : return success;
470 : }
471 :
472 198 : static bool parseHexColorString(const std::string &value, video::SColor &color)
473 : {
474 198 : unsigned char components[] = { 0x00, 0x00, 0x00, 0xff }; // R,G,B,A
475 :
476 198 : if (value[0] != '#')
477 0 : return false;
478 :
479 198 : size_t len = value.size();
480 : bool short_form;
481 :
482 198 : if (len == 9 || len == 7) // #RRGGBBAA or #RRGGBB
483 198 : short_form = false;
484 0 : else if (len == 5 || len == 4) // #RGBA or #RGB
485 0 : short_form = true;
486 : else
487 0 : return false;
488 :
489 198 : bool success = true;
490 :
491 822 : for (size_t pos = 1, cc = 0; pos < len; pos++, cc++) {
492 : assert(cc < sizeof components / sizeof components[0]);
493 624 : if (short_form) {
494 : unsigned char d;
495 0 : if (!hex_digit_decode(value[pos], d)) {
496 0 : success = false;
497 0 : break;
498 : }
499 0 : components[cc] = (d & 0xf) << 4 | (d & 0xf);
500 : } else {
501 : unsigned char d1, d2;
502 1248 : if (!hex_digit_decode(value[pos], d1) ||
503 624 : !hex_digit_decode(value[pos+1], d2)) {
504 0 : success = false;
505 0 : break;
506 : }
507 624 : components[cc] = (d1 & 0xf) << 4 | (d2 & 0xf);
508 624 : pos++; // skip the second digit -- it's already used
509 : }
510 : }
511 :
512 198 : if (success) {
513 198 : color.setRed(components[0]);
514 198 : color.setGreen(components[1]);
515 198 : color.setBlue(components[2]);
516 198 : color.setAlpha(components[3]);
517 : }
518 :
519 198 : return success;
520 : }
521 :
522 1 : struct ColorContainer {
523 : ColorContainer();
524 : std::map<const std::string, u32> colors;
525 : };
526 :
527 1 : ColorContainer::ColorContainer()
528 : {
529 1 : colors["aliceblue"] = 0xf0f8ff;
530 1 : colors["antiquewhite"] = 0xfaebd7;
531 1 : colors["aqua"] = 0x00ffff;
532 1 : colors["aquamarine"] = 0x7fffd4;
533 1 : colors["azure"] = 0xf0ffff;
534 1 : colors["beige"] = 0xf5f5dc;
535 1 : colors["bisque"] = 0xffe4c4;
536 1 : colors["black"] = 00000000;
537 1 : colors["blanchedalmond"] = 0xffebcd;
538 1 : colors["blue"] = 0x0000ff;
539 1 : colors["blueviolet"] = 0x8a2be2;
540 1 : colors["brown"] = 0xa52a2a;
541 1 : colors["burlywood"] = 0xdeb887;
542 1 : colors["cadetblue"] = 0x5f9ea0;
543 1 : colors["chartreuse"] = 0x7fff00;
544 1 : colors["chocolate"] = 0xd2691e;
545 1 : colors["coral"] = 0xff7f50;
546 1 : colors["cornflowerblue"] = 0x6495ed;
547 1 : colors["cornsilk"] = 0xfff8dc;
548 1 : colors["crimson"] = 0xdc143c;
549 1 : colors["cyan"] = 0x00ffff;
550 1 : colors["darkblue"] = 0x00008b;
551 1 : colors["darkcyan"] = 0x008b8b;
552 1 : colors["darkgoldenrod"] = 0xb8860b;
553 1 : colors["darkgray"] = 0xa9a9a9;
554 1 : colors["darkgreen"] = 0x006400;
555 1 : colors["darkkhaki"] = 0xbdb76b;
556 1 : colors["darkmagenta"] = 0x8b008b;
557 1 : colors["darkolivegreen"] = 0x556b2f;
558 1 : colors["darkorange"] = 0xff8c00;
559 1 : colors["darkorchid"] = 0x9932cc;
560 1 : colors["darkred"] = 0x8b0000;
561 1 : colors["darksalmon"] = 0xe9967a;
562 1 : colors["darkseagreen"] = 0x8fbc8f;
563 1 : colors["darkslateblue"] = 0x483d8b;
564 1 : colors["darkslategray"] = 0x2f4f4f;
565 1 : colors["darkturquoise"] = 0x00ced1;
566 1 : colors["darkviolet"] = 0x9400d3;
567 1 : colors["deeppink"] = 0xff1493;
568 1 : colors["deepskyblue"] = 0x00bfff;
569 1 : colors["dimgray"] = 0x696969;
570 1 : colors["dodgerblue"] = 0x1e90ff;
571 1 : colors["firebrick"] = 0xb22222;
572 1 : colors["floralwhite"] = 0xfffaf0;
573 1 : colors["forestgreen"] = 0x228b22;
574 1 : colors["fuchsia"] = 0xff00ff;
575 1 : colors["gainsboro"] = 0xdcdcdc;
576 1 : colors["ghostwhite"] = 0xf8f8ff;
577 1 : colors["gold"] = 0xffd700;
578 1 : colors["goldenrod"] = 0xdaa520;
579 1 : colors["gray"] = 0x808080;
580 1 : colors["green"] = 0x008000;
581 1 : colors["greenyellow"] = 0xadff2f;
582 1 : colors["honeydew"] = 0xf0fff0;
583 1 : colors["hotpink"] = 0xff69b4;
584 1 : colors["indianred "] = 0xcd5c5c;
585 1 : colors["indigo "] = 0x4b0082;
586 1 : colors["ivory"] = 0xfffff0;
587 1 : colors["khaki"] = 0xf0e68c;
588 1 : colors["lavender"] = 0xe6e6fa;
589 1 : colors["lavenderblush"] = 0xfff0f5;
590 1 : colors["lawngreen"] = 0x7cfc00;
591 1 : colors["lemonchiffon"] = 0xfffacd;
592 1 : colors["lightblue"] = 0xadd8e6;
593 1 : colors["lightcoral"] = 0xf08080;
594 1 : colors["lightcyan"] = 0xe0ffff;
595 1 : colors["lightgoldenrodyellow"] = 0xfafad2;
596 1 : colors["lightgray"] = 0xd3d3d3;
597 1 : colors["lightgreen"] = 0x90ee90;
598 1 : colors["lightpink"] = 0xffb6c1;
599 1 : colors["lightsalmon"] = 0xffa07a;
600 1 : colors["lightseagreen"] = 0x20b2aa;
601 1 : colors["lightskyblue"] = 0x87cefa;
602 1 : colors["lightslategray"] = 0x778899;
603 1 : colors["lightsteelblue"] = 0xb0c4de;
604 1 : colors["lightyellow"] = 0xffffe0;
605 1 : colors["lime"] = 0x00ff00;
606 1 : colors["limegreen"] = 0x32cd32;
607 1 : colors["linen"] = 0xfaf0e6;
608 1 : colors["magenta"] = 0xff00ff;
609 1 : colors["maroon"] = 0x800000;
610 1 : colors["mediumaquamarine"] = 0x66cdaa;
611 1 : colors["mediumblue"] = 0x0000cd;
612 1 : colors["mediumorchid"] = 0xba55d3;
613 1 : colors["mediumpurple"] = 0x9370db;
614 1 : colors["mediumseagreen"] = 0x3cb371;
615 1 : colors["mediumslateblue"] = 0x7b68ee;
616 1 : colors["mediumspringgreen"] = 0x00fa9a;
617 1 : colors["mediumturquoise"] = 0x48d1cc;
618 1 : colors["mediumvioletred"] = 0xc71585;
619 1 : colors["midnightblue"] = 0x191970;
620 1 : colors["mintcream"] = 0xf5fffa;
621 1 : colors["mistyrose"] = 0xffe4e1;
622 1 : colors["moccasin"] = 0xffe4b5;
623 1 : colors["navajowhite"] = 0xffdead;
624 1 : colors["navy"] = 0x000080;
625 1 : colors["oldlace"] = 0xfdf5e6;
626 1 : colors["olive"] = 0x808000;
627 1 : colors["olivedrab"] = 0x6b8e23;
628 1 : colors["orange"] = 0xffa500;
629 1 : colors["orangered"] = 0xff4500;
630 1 : colors["orchid"] = 0xda70d6;
631 1 : colors["palegoldenrod"] = 0xeee8aa;
632 1 : colors["palegreen"] = 0x98fb98;
633 1 : colors["paleturquoise"] = 0xafeeee;
634 1 : colors["palevioletred"] = 0xdb7093;
635 1 : colors["papayawhip"] = 0xffefd5;
636 1 : colors["peachpuff"] = 0xffdab9;
637 1 : colors["peru"] = 0xcd853f;
638 1 : colors["pink"] = 0xffc0cb;
639 1 : colors["plum"] = 0xdda0dd;
640 1 : colors["powderblue"] = 0xb0e0e6;
641 1 : colors["purple"] = 0x800080;
642 1 : colors["red"] = 0xff0000;
643 1 : colors["rosybrown"] = 0xbc8f8f;
644 1 : colors["royalblue"] = 0x4169e1;
645 1 : colors["saddlebrown"] = 0x8b4513;
646 1 : colors["salmon"] = 0xfa8072;
647 1 : colors["sandybrown"] = 0xf4a460;
648 1 : colors["seagreen"] = 0x2e8b57;
649 1 : colors["seashell"] = 0xfff5ee;
650 1 : colors["sienna"] = 0xa0522d;
651 1 : colors["silver"] = 0xc0c0c0;
652 1 : colors["skyblue"] = 0x87ceeb;
653 1 : colors["slateblue"] = 0x6a5acd;
654 1 : colors["slategray"] = 0x708090;
655 1 : colors["snow"] = 0xfffafa;
656 1 : colors["springgreen"] = 0x00ff7f;
657 1 : colors["steelblue"] = 0x4682b4;
658 1 : colors["tan"] = 0xd2b48c;
659 1 : colors["teal"] = 0x008080;
660 1 : colors["thistle"] = 0xd8bfd8;
661 1 : colors["tomato"] = 0xff6347;
662 1 : colors["turquoise"] = 0x40e0d0;
663 1 : colors["violet"] = 0xee82ee;
664 1 : colors["wheat"] = 0xf5deb3;
665 1 : colors["white"] = 0xffffff;
666 1 : colors["whitesmoke"] = 0xf5f5f5;
667 1 : colors["yellow"] = 0xffff00;
668 1 : colors["yellowgreen"] = 0x9acd32;
669 :
670 1 : }
671 :
672 1 : static const ColorContainer named_colors;
673 :
674 4 : static bool parseNamedColorString(const std::string &value, video::SColor &color)
675 : {
676 8 : std::string color_name;
677 8 : std::string alpha_string;
678 :
679 : /* If the string has a # in it, assume this is the start of a specified
680 : * alpha value (if it isn't the string is invalid and the error will be
681 : * caught later on, either because the color name won't be found or the
682 : * alpha value will fail conversion)
683 : */
684 4 : size_t alpha_pos = value.find('#');
685 4 : if (alpha_pos != std::string::npos) {
686 0 : color_name = value.substr(0, alpha_pos);
687 0 : alpha_string = value.substr(alpha_pos + 1);
688 : } else {
689 4 : color_name = value;
690 : }
691 :
692 4 : color_name = lowercase(value);
693 :
694 4 : std::map<const std::string, unsigned>::const_iterator it;
695 4 : it = named_colors.colors.find(color_name);
696 4 : if (it == named_colors.colors.end())
697 0 : return false;
698 :
699 4 : u32 color_temp = it->second;
700 :
701 : /* An empty string for alpha is ok (none of the color table entries
702 : * have an alpha value either). Color strings without an alpha specified
703 : * are interpreted as fully opaque
704 : *
705 : * For named colors the supplied alpha string (representing a hex value)
706 : * must be exactly two digits. For example: colorname#08
707 : */
708 4 : if (!alpha_string.empty()) {
709 0 : if (alpha_string.length() != 2)
710 0 : return false;
711 :
712 : unsigned char d1, d2;
713 0 : if (!hex_digit_decode(alpha_string.at(0), d1)
714 0 : || !hex_digit_decode(alpha_string.at(1), d2))
715 0 : return false;
716 0 : color_temp |= ((d1 & 0xf) << 4 | (d2 & 0xf)) << 24;
717 : } else {
718 4 : color_temp |= 0xff << 24; // Fully opaque
719 : }
720 :
721 4 : color = video::SColor(color_temp);
722 :
723 4 : return true;
724 : }
725 :
726 0 : void str_replace(std::string &str, char from, char to)
727 : {
728 0 : std::replace(str.begin(), str.end(), from, to);
729 3 : }
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