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| 1 | +/*---------------------------------------------------------------------------- | |
| 2 | + ChucK Concurrent, On-the-fly Audio Programming Language | |
| 3 | + Compiler and Virtual Machine | |
| 4 | + | |
| 5 | + Copyright (c) 2004 Ge Wang and Perry R. Cook. All rights reserved. | |
| 6 | + http://chuck.stanford.edu/ | |
| 7 | + http://chuck.cs.princeton.edu/ | |
| 8 | + | |
| 9 | + This program is free software; you can redistribute it and/or modify | |
| 10 | + it under the terms of the GNU General Public License as published by | |
| 11 | + the Free Software Foundation; either version 2 of the License, or | |
| 12 | + (at your option) any later version. | |
| 13 | + | |
| 14 | + This program is distributed in the hope that it will be useful, | |
| 15 | + but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | + GNU General Public License for more details. | |
| 18 | + | |
| 19 | + You should have received a copy of the GNU General Public License | |
| 20 | + along with this program; if not, write to the Free Software | |
| 21 | + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
| 22 | + U.S.A. | |
| 23 | +-----------------------------------------------------------------------------*/ | |
| 24 | + | |
| 25 | +//----------------------------------------------------------------------------- | |
| 26 | +// name: util_string.cpp | |
| 27 | +// desc: string functions utility | |
| 28 | +// | |
| 29 | +// author: Ge Wang (ge@ccrma.stanford.edu | gewang@cs.princeton.edu) | |
| 30 | +// Spencer Salazar (spencer@ccrma.stanford.edu) | |
| 31 | +// date: Summer 2005 | |
| 32 | +//----------------------------------------------------------------------------- | |
| 33 | +#include "util_string.h" | |
| 34 | +#include "chuck_errmsg.h" | |
| 35 | + | |
| 36 | +#ifdef __PLATFORM_WIN32__ | |
| 37 | +#include <Windows.h> | |
| 38 | +#endif // __PLATFORM_WIN32__ | |
| 39 | + | |
| 40 | +#ifdef __PLATFORM_LINUX__ | |
| 41 | +#include <linux/limits.h> | |
| 42 | +#endif // __PLATFORM_LINUX__ | |
| 43 | + | |
| 44 | +#include <stdio.h> | |
| 45 | +using namespace std; | |
| 46 | + | |
| 47 | + | |
| 48 | + | |
| 49 | +//----------------------------------------------------------------------------- | |
| 50 | +// name: itoa() | |
| 51 | +// desc: ... | |
| 52 | +//----------------------------------------------------------------------------- | |
| 53 | +string itoa( t_CKINT val ) | |
| 54 | +{ | |
| 55 | + char buffer[128]; | |
| 56 | + sprintf( buffer, "%li", val ); | |
| 57 | + return string(buffer); | |
| 58 | +} | |
| 59 | + | |
| 60 | + | |
| 61 | + | |
| 62 | +//----------------------------------------------------------------------------- | |
| 63 | +// name: ftoa() | |
| 64 | +// desc: ... | |
| 65 | +//----------------------------------------------------------------------------- | |
| 66 | +string ftoa( t_CKFLOAT val, t_CKUINT precision ) | |
| 67 | +{ | |
| 68 | + char str[32]; | |
| 69 | + char buffer[128]; | |
| 70 | + if( precision > 32 ) precision = 32; | |
| 71 | + sprintf( str, "%%.%lif", precision ); | |
| 72 | + sprintf( buffer, str, val ); | |
| 73 | + return string(buffer); | |
| 74 | +} | |
| 75 | + | |
| 76 | + | |
| 77 | + | |
| 78 | + | |
| 79 | +//----------------------------------------------------------------------------- | |
| 80 | +// name: tolower() | |
| 81 | +// desc: ... | |
| 82 | +//----------------------------------------------------------------------------- | |
| 83 | +string tolower( const string & str ) | |
| 84 | +{ | |
| 85 | + string s = str; | |
| 86 | + t_CKUINT len = s.length(); | |
| 87 | + | |
| 88 | + // loop | |
| 89 | + for( t_CKUINT i = 0; i < len; i++ ) | |
| 90 | + if( s[i] >= 'A' && s[i] <= 'Z' ) | |
| 91 | + s[i] += 32; | |
| 92 | + | |
| 93 | + return s; | |
| 94 | +} | |
| 95 | + | |
| 96 | + | |
| 97 | + | |
| 98 | + | |
| 99 | +//----------------------------------------------------------------------------- | |
| 100 | +// name: toupper() | |
| 101 | +// desc: ... | |
| 102 | +//----------------------------------------------------------------------------- | |
| 103 | +string toupper( const string & str ) | |
| 104 | +{ | |
| 105 | + string s = str; | |
| 106 | + t_CKUINT len = s.length(); | |
| 107 | + | |
| 108 | + // loop | |
| 109 | + for( t_CKUINT i = 0; i < len; i++ ) | |
| 110 | + if( s[i] >= 'a' && s[i] <= 'z' ) | |
| 111 | + s[i] -= 32; | |
| 112 | + | |
| 113 | + return s; | |
| 114 | +} | |
| 115 | + | |
| 116 | + | |
| 117 | + | |
| 118 | + | |
| 119 | +//----------------------------------------------------------------------------- | |
| 120 | +// name: trim() | |
| 121 | +// desc: ... | |
| 122 | +//----------------------------------------------------------------------------- | |
| 123 | +string trim( const string & val ) | |
| 124 | +{ | |
| 125 | + // two ends | |
| 126 | + t_CKINT start = 0; | |
| 127 | + t_CKINT end = val.length() - 1; | |
| 128 | + | |
| 129 | + // left trim | |
| 130 | + for( start = 0; start < end; start++ ) | |
| 131 | + { | |
| 132 | + // non-white space | |
| 133 | + if( val[start] != ' ' && val[start] != '\t' ) | |
| 134 | + break; | |
| 135 | + } | |
| 136 | + | |
| 137 | + // if start > end, then all white space | |
| 138 | + if( start > end ) return ""; | |
| 139 | + | |
| 140 | + // right trim | |
| 141 | + for( ; end >= start; end-- ) | |
| 142 | + { | |
| 143 | + // non-white space | |
| 144 | + if( val[end] != ' ' && val[end] != '\t' ) | |
| 145 | + break; | |
| 146 | + } | |
| 147 | + | |
| 148 | + // cannot be | |
| 149 | + assert( end >= start ); | |
| 150 | + | |
| 151 | + // return | |
| 152 | + return val.substr( start, end - start + 1 ); | |
| 153 | +} | |
| 154 | + | |
| 155 | + | |
| 156 | + | |
| 157 | +//----------------------------------------------------------------------------- | |
| 158 | +// name: ltrim() | |
| 159 | +// desc: ... | |
| 160 | +//----------------------------------------------------------------------------- | |
| 161 | +string ltrim( const string & val ) | |
| 162 | +{ | |
| 163 | + // two ends | |
| 164 | + t_CKINT start = 0; | |
| 165 | + t_CKINT end = val.length() - 1; | |
| 166 | + | |
| 167 | + // left trim | |
| 168 | + for( start = 0; start < end; start++ ) | |
| 169 | + { | |
| 170 | + // non-white space | |
| 171 | + if( val[start] != ' ' && val[start] != '\t' ) | |
| 172 | + break; | |
| 173 | + } | |
| 174 | + | |
| 175 | + // if start > end, then all white space | |
| 176 | + if( start > end ) return ""; | |
| 177 | + | |
| 178 | + // return | |
| 179 | + return val.substr( start, end - start + 1 ); | |
| 180 | +} | |
| 181 | + | |
| 182 | + | |
| 183 | + | |
| 184 | + | |
| 185 | +//----------------------------------------------------------------------------- | |
| 186 | +// name: rtrim() | |
| 187 | +// desc: ... | |
| 188 | +//----------------------------------------------------------------------------- | |
| 189 | +string rtrim( const string & val ) | |
| 190 | +{ | |
| 191 | + // two ends | |
| 192 | + t_CKINT start = 0; | |
| 193 | + t_CKINT end = val.length() - 1; | |
| 194 | + | |
| 195 | + // right trim | |
| 196 | + for( ; end >= start; end-- ) | |
| 197 | + { | |
| 198 | + // non-white space | |
| 199 | + if( val[end] != ' ' && val[end] != '\t' ) | |
| 200 | + break; | |
| 201 | + } | |
| 202 | + | |
| 203 | + // if end < start, then all white space | |
| 204 | + if( end < start ) return ""; | |
| 205 | + | |
| 206 | + // return | |
| 207 | + return val.substr( start, end - start + 1 ); | |
| 208 | +} | |
| 209 | + | |
| 210 | + | |
| 211 | + | |
| 212 | + | |
| 213 | +//----------------------------------------------------------------------------- | |
| 214 | +// name: extract_args() | |
| 215 | +// desc: extract argument from format filename:arg1:arg2:etc | |
| 216 | +//----------------------------------------------------------------------------- | |
| 217 | +t_CKBOOL extract_args( const string & token, | |
| 218 | + string & filename, vector<string> & args ) | |
| 219 | +{ | |
| 220 | + // clear vector | |
| 221 | + args.clear(); | |
| 222 | + // clear filename | |
| 223 | + filename = ""; | |
| 224 | + | |
| 225 | + // last : found pos | |
| 226 | + t_CKINT prev_pos = 0; | |
| 227 | + // curr : pos | |
| 228 | + t_CKINT i = 0; | |
| 229 | + | |
| 230 | + string tmp; | |
| 231 | + | |
| 232 | + // copy and trim | |
| 233 | + string s = trim( token ); | |
| 234 | + | |
| 235 | + // ignore second character as arg separator if its : on Windows | |
| 236 | + t_CKBOOL ignoreSecond = FALSE; | |
| 237 | +#ifdef __PLATFORM_WIN32__ | |
| 238 | + ignoreSecond = TRUE; | |
| 239 | +#endif // __PLATFORM_WIN32__ | |
| 240 | + | |
| 241 | + // detect | |
| 242 | + t_CKBOOL scan = FALSE; | |
| 243 | + t_CKBOOL ret = TRUE; | |
| 244 | + t_CKBOOL ignoreNext = FALSE; | |
| 245 | + char * mask = NULL; | |
| 246 | + for( i = 0; i < s.length(); i++ ) | |
| 247 | + if( s[i] == '\\' ) | |
| 248 | + { | |
| 249 | + scan = TRUE; | |
| 250 | + break; | |
| 251 | + } | |
| 252 | + | |
| 253 | + // mad... | |
| 254 | + if( scan ) | |
| 255 | + { | |
| 256 | + mask = new char[s.length()]; | |
| 257 | + // zero | |
| 258 | + memset(mask, 0, s.length()*sizeof(char)); | |
| 259 | + | |
| 260 | + // loop through | |
| 261 | + for( i = 0; i < s.length(); i++ ) | |
| 262 | + { | |
| 263 | + // escape (tom and ge fixed this, which used to look for \\ then : and randomly incremented i) | |
| 264 | + // added '/' 1.3.1.1 | |
| 265 | + // if( s[i] == ':' && (i+1) < s.length() && ( s[i+1] == '\\' || s[i+1] == '/' ) ) | |
| 266 | + // { | |
| 267 | + // mask[i] = 1; | |
| 268 | + // break; // added 1.3.1.1 | |
| 269 | + // } | |
| 270 | + | |
| 271 | + // 1.3.2.0: spencer and ge fixed this, requiring \ to escape : | |
| 272 | + if( s[i] == '\\' && (i+1) < s.length() ) | |
| 273 | + { | |
| 274 | + // check next char | |
| 275 | + if( s[i+1] == ':' || s[i+1] == '\\' ) | |
| 276 | + { | |
| 277 | + // add | |
| 278 | + mask[i] = 1; | |
| 279 | + // skip next character | |
| 280 | + i++; | |
| 281 | + } | |
| 282 | + else | |
| 283 | + { | |
| 284 | + // error: recognized escape target | |
| 285 | + CK_FPRINTF_STDERR( "[chuck]: unrecognized escape sequence: \\%c", s[i+1] ); | |
| 286 | + // return false | |
| 287 | + ret = FALSE; | |
| 288 | + // go clean | |
| 289 | + goto done; | |
| 290 | + } | |
| 291 | + } | |
| 292 | + } | |
| 293 | + } | |
| 294 | + | |
| 295 | + // loop through | |
| 296 | + for( i = 0; i < s.length(); i++ ) | |
| 297 | + { | |
| 298 | + // check mask | |
| 299 | + if( mask && mask[i] ) | |
| 300 | + { | |
| 301 | + //CK_FPRINTF_STDERR( "skipping %c\n", s[i] ); | |
| 302 | + // mark the next as false | |
| 303 | + ignoreNext = TRUE; | |
| 304 | + // skip this one | |
| 305 | + continue; | |
| 306 | + } | |
| 307 | + | |
| 308 | + // look for : | |
| 309 | + if( !ignoreNext && s[i] == ':' && !(ignoreSecond && i == 1)) | |
| 310 | + { | |
| 311 | + // sanity | |
| 312 | + if( i == 0 ) | |
| 313 | + { | |
| 314 | + ret = FALSE; | |
| 315 | + goto done; | |
| 316 | + } | |
| 317 | + | |
| 318 | + // copy | |
| 319 | + if( filename == "" ) | |
| 320 | + filename = tmp; | |
| 321 | + else | |
| 322 | + args.push_back( tmp ); | |
| 323 | + | |
| 324 | + tmp = ""; | |
| 325 | + | |
| 326 | + // update | |
| 327 | + prev_pos = i + 1; | |
| 328 | + } | |
| 329 | + else | |
| 330 | + { | |
| 331 | + tmp.append(1, s[i]); | |
| 332 | + } | |
| 333 | + | |
| 334 | + // reset | |
| 335 | + ignoreNext = FALSE; | |
| 336 | + } | |
| 337 | + | |
| 338 | + // get the remainder, if any | |
| 339 | + if( tmp.length() ) | |
| 340 | + { | |
| 341 | + // copy | |
| 342 | + if( filename == "" ) | |
| 343 | + filename = tmp; | |
| 344 | + else | |
| 345 | + args.push_back( tmp ); | |
| 346 | + } | |
| 347 | + | |
| 348 | + // testing code - spencer 1.3.2.0 | |
| 349 | +// CK_FPRINTF_STDERR( "INPUT: %s\n", token.c_str() ); | |
| 350 | +// CK_FPRINTF_STDERR( "FILENAME: %s\n", filename.c_str() ); | |
| 351 | +// for(i = 0; i < args.size(); i++) | |
| 352 | +// CK_FPRINTF_STDERR( "ARG: %s\n", args[i].c_str() ); | |
| 353 | + | |
| 354 | +done: | |
| 355 | + // reclaim | |
| 356 | + SAFE_DELETE_ARRAY( mask ); | |
| 357 | + | |
| 358 | + return ret; | |
| 359 | +} | |
| 360 | + | |
| 361 | + | |
| 362 | +/* from http://developer.apple.com/library/mac/#qa/qa1549/_index.html */ | |
| 363 | + | |
| 364 | +#ifndef __PLATFORM_WIN32__ | |
| 365 | + | |
| 366 | +#include <glob.h> | |
| 367 | + | |
| 368 | +char* CreatePathByExpandingTildePath(const char* path) | |
| 369 | +{ | |
| 370 | + glob_t globbuf; | |
| 371 | + char **v; | |
| 372 | + char *expandedPath = NULL, *result = NULL; | |
| 373 | + | |
| 374 | + assert(path != NULL); | |
| 375 | + | |
| 376 | + if (glob(path, GLOB_TILDE, NULL, &globbuf) == 0) //success | |
| 377 | + { | |
| 378 | + v = globbuf.gl_pathv; //list of matched pathnames | |
| 379 | + expandedPath = v[0]; //number of matched pathnames, gl_pathc == 1 | |
| 380 | + | |
| 381 | + result = (char*)calloc(1, strlen(expandedPath) + 1); //the extra char is for the null-termination | |
| 382 | + if(result) | |
| 383 | + strncpy(result, expandedPath, strlen(expandedPath) + 1); //copy the null-termination as well | |
| 384 | + | |
| 385 | + globfree(&globbuf); | |
| 386 | + } | |
| 387 | + | |
| 388 | + return result; | |
| 389 | +} | |
| 390 | + | |
| 391 | +#endif // __PLATFORM_WIN32__ | |
| 392 | + | |
| 393 | + | |
| 394 | +// get full path to file | |
| 395 | +std::string get_full_path( const std::string & fp ) | |
| 396 | +{ | |
| 397 | +#ifndef __PLATFORM_WIN32__ | |
| 398 | + | |
| 399 | + char buf[PATH_MAX]; | |
| 400 | + | |
| 401 | + char * result = realpath(fp.c_str(), buf); | |
| 402 | + | |
| 403 | + // try with .ck extension | |
| 404 | + if(result == NULL && !str_endsin(fp.c_str(), ".ck")) | |
| 405 | + result = realpath((fp + ".ck").c_str(), buf); | |
| 406 | + | |
| 407 | + if(result == NULL) | |
| 408 | + return fp; | |
| 409 | + else | |
| 410 | + return buf; | |
| 411 | + | |
| 412 | +#else // | |
| 413 | + | |
| 414 | + char buf[MAX_PATH]; | |
| 415 | + | |
| 416 | + DWORD result = GetFullPathName(fp.c_str(), MAX_PATH, buf, NULL); | |
| 417 | + | |
| 418 | + // try with .ck extension | |
| 419 | + if(result == 0 && !str_endsin(fp.c_str(), ".ck")) | |
| 420 | + result = GetFullPathName((fp + ".ck").c_str(), MAX_PATH, buf, NULL); | |
| 421 | + | |
| 422 | + if(result == 0) | |
| 423 | + return fp; | |
| 424 | + else | |
| 425 | + return normalize_directory_separator(buf); | |
| 426 | + | |
| 427 | +#endif // __PLATFORM_WIN32__ | |
| 428 | +} | |
| 429 | + | |
| 430 | + | |
| 431 | +std::string expand_filepath( std::string & fp ) | |
| 432 | +{ | |
| 433 | +#if defined(__WINDOWS_DS__) || defined(__WINDOWS_ASIO__) | |
| 434 | + // no expansion in Windows systems | |
| 435 | + return fp; | |
| 436 | +#else | |
| 437 | + | |
| 438 | + char * expanded_cstr = CreatePathByExpandingTildePath( fp.c_str() ); | |
| 439 | + | |
| 440 | + if(expanded_cstr == NULL) | |
| 441 | + return fp; | |
| 442 | + | |
| 443 | + std::string expanded_stdstr = expanded_cstr; | |
| 444 | + | |
| 445 | + free(expanded_cstr); | |
| 446 | + | |
| 447 | + return expanded_stdstr; | |
| 448 | + | |
| 449 | +#endif | |
| 450 | +} | |
| 451 | + | |
| 452 | + | |
| 453 | +std::string extract_filepath_dir(std::string &filepath) | |
| 454 | +{ | |
| 455 | + char path_separator = '/'; | |
| 456 | + | |
| 457 | +//#ifdef __WINDOWS_DS__ | |
| 458 | +// path_separator = '\\'; | |
| 459 | +//#else | |
| 460 | +// path_separator = '/'; | |
| 461 | +//#endif | |
| 462 | + | |
| 463 | + // if the last character is a slash, skip it | |
| 464 | + int i = filepath.rfind(path_separator); | |
| 465 | + | |
| 466 | + if(i == std::string::npos) | |
| 467 | + return std::string(); | |
| 468 | + | |
| 469 | + // skip any/all extra trailing slashes | |
| 470 | + while( i > 0 && filepath[i-1] == path_separator ) | |
| 471 | + i--; | |
| 472 | + | |
| 473 | + // change spencer 2014-7-17: include trailing slash | |
| 474 | + return std::string(filepath, 0, i+1); | |
| 475 | +} | |
| 476 | + | |
| 477 | +// added: ge 1.3.2.0 | |
| 478 | +string dir_go_up( const string & dir, t_CKINT numUp ) | |
| 479 | +{ | |
| 480 | + // separator | |
| 481 | + char path_separator = '/'; | |
| 482 | + | |
| 483 | + // sanity check | |
| 484 | + if( numUp < 0 ) numUp = -numUp; | |
| 485 | + | |
| 486 | + // pos | |
| 487 | + size_t pos = dir.length(); | |
| 488 | + | |
| 489 | + // skip any trailing slashes | |
| 490 | + while( pos > 0 && dir[pos-1] == path_separator ) | |
| 491 | + pos--; | |
| 492 | + | |
| 493 | + // loop | |
| 494 | + while( numUp > 0 ) | |
| 495 | + { | |
| 496 | + // find the last slash | |
| 497 | + pos = dir.rfind( path_separator, pos-1 ); | |
| 498 | + // skip any extra slashes | |
| 499 | + while( pos > 0 && dir[pos-1] == path_separator ) | |
| 500 | + pos--; | |
| 501 | + | |
| 502 | + // not there | |
| 503 | + if( pos == string::npos ) | |
| 504 | + return ""; | |
| 505 | + else if( pos == 0 ) | |
| 506 | + return "/"; | |
| 507 | + | |
| 508 | + // TODO: what about windows? | |
| 509 | + // TODO: what about windows network: with two backslashes? "\\\\" | |
| 510 | + | |
| 511 | + // decrement | |
| 512 | + numUp--; | |
| 513 | + } | |
| 514 | + | |
| 515 | + | |
| 516 | + // otherwise | |
| 517 | + // change spencer 2014-7-17: include trailing slash | |
| 518 | + string str = string( dir, 0, pos ); | |
| 519 | + if( str[str.length()-1] != '/' ) str = str + "/"; | |
| 520 | + return str; | |
| 521 | +} | |
| 522 | + | |
| 523 | +//----------------------------------------------------------------------------- | |
| 524 | +// name: parse_path_list() | |
| 525 | +// desc: split "x:y:z"-style path list into {"x","y","z"} | |
| 526 | +//----------------------------------------------------------------------------- | |
| 527 | +void parse_path_list( std::string & str, std::list<std::string> & lst ) | |
| 528 | +{ | |
| 529 | +#if defined(__PLATFORM_WIN32__) | |
| 530 | + const char separator = ';'; | |
| 531 | +#else | |
| 532 | + const char separator = ':'; | |
| 533 | +#endif | |
| 534 | + std::string::size_type i = 0, last = 0; | |
| 535 | + while( last < str.size() && | |
| 536 | + ( i = str.find( separator, last ) ) != std::string::npos ) | |
| 537 | + { | |
| 538 | + lst.push_back( str.substr( last, i - last ) ); | |
| 539 | + last = i + 1; | |
| 540 | + } | |
| 541 | + | |
| 542 | + lst.push_back( str.substr( last, str.size() - last ) ); | |
| 543 | +} | |
| 544 | + | |
| 545 | + | |
| 546 | + | |
| 547 | +std::string normalize_directory_separator(const std::string &filepath) | |
| 548 | +{ | |
| 549 | +#ifdef __PLATFORM_WIN32__ | |
| 550 | + std::string new_filepath = filepath; | |
| 551 | + int len = new_filepath.size(); | |
| 552 | + for(int i = 0; i < len; i++) | |
| 553 | + { | |
| 554 | + if(new_filepath[i] == '\\') new_filepath[i] = '/'; | |
| 555 | + } | |
| 556 | + | |
| 557 | + return new_filepath; | |
| 558 | +#else | |
| 559 | + return std::string(filepath); | |
| 560 | +#endif // __PLATFORM_WIN32__ | |
| 561 | +} | |
| 562 | + | |
| 563 | +int str_endsin(const char *str, const char *end) | |
| 564 | +{ | |
| 565 | + size_t len = strlen(str); | |
| 566 | + size_t endlen = strlen(end); | |
| 567 | + | |
| 568 | + return strncmp(str+(len-endlen), end, endlen) == 0; | |
| 569 | +} | |