src/mathed/MathStream.cpp

   1 /**
   2  * \file MathStream.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author André Pönitz
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "MathStream.h"
  14
  15 #include "MathData.h"
  16 #include "MathExtern.h"
  17
  18 #include "support/textutils.h"
  19 #include "support/docstring.h"
  20
  21 #include <algorithm>
  22 #include <cstring>
  23 #include <ostream>
  24
  25 using namespace std;
  26
  27 namespace lyx {
  28
  29
  30 //////////////////////////////////////////////////////////////////////
  31
  32
  33 NormalStream & operator<<(NormalStream & ns, MathAtom const & at)
  34 {
  35         at->normalize(ns);
  36         return ns;
  37 }
  38
  39
  40 NormalStream & operator<<(NormalStream & ns, MathData const & ar)
  41 {
  42         normalize(ar, ns);
  43         return ns;
  44 }
  45
  46
  47 NormalStream & operator<<(NormalStream & ns, docstring const & s)
  48 {
  49         ns.os() << s;
  50         return ns;
  51 }
  52
  53
  54 NormalStream & operator<<(NormalStream & ns, const string & s)
  55 {
  56         ns.os() << from_utf8(s);
  57         return ns;
  58 }
  59
  60
  61 NormalStream & operator<<(NormalStream & ns, char const * s)
  62 {
  63         ns.os() << s;
  64         return ns;
  65 }
  66
  67
  68 NormalStream & operator<<(NormalStream & ns, char c)
  69 {
  70         ns.os() << c;
  71         return ns;
  72 }
  73
  74
  75 NormalStream & operator<<(NormalStream & ns, int i)
  76 {
  77         ns.os() << i;
  78         return ns;
  79 }
  80
  81
  82
  83 /////////////////////////////////////////////////////////////////
  84
  85
  86 WriteStream & operator<<(WriteStream & ws, docstring const & s)
  87 {
  88         if (ws.pendingBrace()) {
  89                 ws.os() << '}';
  90                 ws.pendingBrace(false);
  91                 ws.pendingSpace(false);
  92                 ws.textMode(true);
  93         } else if (ws.pendingSpace() && s.length() > 0) {
  94                 if (isAlphaASCII(s[0]))
  95                         ws.os() << ' ';
  96                 else if (s[0] == ' ' && ws.textMode())
  97                         ws.os() << '\\';
  98                 ws.pendingSpace(false);
  99         }
 100         ws.os() << s;
 101         int lf = 0;
 102         docstring::const_iterator dit = s.begin();
 103         docstring::const_iterator end = s.end();
 104         for (; dit != end; ++dit)
 105                 if ((*dit) == '\n')
 106                         ++lf;
 107         ws.addlines(lf);
 108         return ws;
 109 }
 110
 111
 112 WriteStream::WriteStream(odocstream & os, bool fragile, bool latex, OutputType output,
 113                         Encoding const * encoding)
 114         : os_(os), fragile_(fragile), firstitem_(false), latex_(latex),
 115           output_(output), pendingspace_(false), pendingbrace_(false),
 116           textmode_(false), locked_(0), line_(0), encoding_(encoding)
 117 {}
 118
 119
 120 WriteStream::WriteStream(odocstream & os)
 121         : os_(os), fragile_(false), firstitem_(false), latex_(false),
 122           output_(wsDefault), pendingspace_(false), pendingbrace_(false),
 123           textmode_(false), locked_(0), line_(0), encoding_(0)
 124 {}
 125
 126
 127 WriteStream::~WriteStream()
 128 {
 129         if (pendingbrace_)
 130                 os_ << '}';
 131         else if (pendingspace_)
 132                 os_ << ' ';
 133 }
 134
 135
 136 void WriteStream::addlines(unsigned int n)
 137 {
 138         line_ += n;
 139 }
 140
 141
 142 void WriteStream::pendingSpace(bool how)
 143 {
 144         pendingspace_ = how;
 145 }
 146
 147
 148 void WriteStream::pendingBrace(bool brace)
 149 {
 150         pendingbrace_ = brace;
 151 }
 152
 153
 154 void WriteStream::textMode(bool textmode)
 155 {
 156         textmode_ = textmode;
 157 }
 158
 159
 160 void WriteStream::lockedMode(bool locked)
 161 {
 162         locked_ = locked;
 163 }
 164
 165
 166 WriteStream & operator<<(WriteStream & ws, MathAtom const & at)
 167 {
 168         at->write(ws);
 169         return ws;
 170 }
 171
 172
 173 WriteStream & operator<<(WriteStream & ws, MathData const & ar)
 174 {
 175         write(ar, ws);
 176         return ws;
 177 }
 178
 179
 180 WriteStream & operator<<(WriteStream & ws, char const * s)
 181 {
 182         if (ws.pendingBrace()) {
 183                 ws.os() << '}';
 184                 ws.pendingBrace(false);
 185                 ws.pendingSpace(false);
 186                 ws.textMode(true);
 187         } else if (ws.pendingSpace() && strlen(s) > 0) {
 188                 if (isAlphaASCII(s[0]))
 189                         ws.os() << ' ';
 190                 else if (s[0] == ' ' && ws.textMode())
 191                         ws.os() << '\\';
 192                 ws.pendingSpace(false);
 193         }
 194         ws.os() << s;
 195         ws.addlines(int(count(s, s + strlen(s), '\n')));
 196         return ws;
 197 }
 198
 199
 200 WriteStream & operator<<(WriteStream & ws, char c)
 201 {
 202         if (ws.pendingBrace()) {
 203                 ws.os() << '}';
 204                 ws.pendingBrace(false);
 205                 ws.pendingSpace(false);
 206                 ws.textMode(true);
 207         } else if (ws.pendingSpace()) {
 208                 if (isAlphaASCII(c))
 209                         ws.os() << ' ';
 210                 else if (c == ' ' && ws.textMode())
 211                         ws.os() << '\\';
 212                 ws.pendingSpace(false);
 213         }
 214         ws.os() << c;
 215         if (c == '\n')
 216                 ws.addlines(1);
 217         return ws;
 218 }
 219
 220
 221 WriteStream & operator<<(WriteStream & ws, int i)
 222 {
 223         if (ws.pendingBrace()) {
 224                 ws.os() << '}';
 225                 ws.pendingBrace(false);
 226                 ws.textMode(true);
 227         }
 228         ws.os() << i;
 229         return ws;
 230 }
 231
 232
 233 WriteStream & operator<<(WriteStream & ws, unsigned int i)
 234 {
 235         if (ws.pendingBrace()) {
 236                 ws.os() << '}';
 237                 ws.pendingBrace(false);
 238                 ws.textMode(true);
 239         }
 240         ws.os() << i;
 241         return ws;
 242 }
 243
 244
 245 //////////////////////////////////////////////////////////////////////
 246
 247
 248 MathStream::MathStream(odocstream & os)
 249         : os_(os), tab_(0), line_(0), lastchar_(0)
 250 {}
 251
 252
 253 MathStream & operator<<(MathStream & ms, MathAtom const & at)
 254 {
 255         at->mathmlize(ms);
 256         return ms;
 257 }
 258
 259
 260 MathStream & operator<<(MathStream & ms, MathData const & ar)
 261 {
 262         mathmlize(ar, ms);
 263         return ms;
 264 }
 265
 266
 267 MathStream & operator<<(MathStream & ms, char const * s)
 268 {
 269         ms.os() << s;
 270         return ms;
 271 }
 272
 273
 274 MathStream & operator<<(MathStream & ms, char c)
 275 {
 276         ms.os() << c;
 277         return ms;
 278 }
 279
 280
 281 MathStream & operator<<(MathStream & ms, MTag const & t)
 282 {
 283         ++ms.tab();
 284         ms.cr();
 285         ms.os() << '<' << from_ascii(t.tag_) << '>';
 286         return ms;
 287 }
 288
 289
 290 MathStream & operator<<(MathStream & ms, ETag const & t)
 291 {
 292         ms.cr();
 293         if (ms.tab() > 0)
 294                 --ms.tab();
 295         ms.os() << "</" << from_ascii(t.tag_) << '>';
 296         return ms;
 297 }
 298
 299
 300 void MathStream::cr()
 301 {
 302         os() << '\n';
 303         for (int i = 0; i < tab(); ++i)
 304                 os() << ' ';
 305 }
 306
 307
 308 MathStream & operator<<(MathStream & ms, docstring const & s)
 309 {
 310         ms.os() << s;
 311         return ms;
 312 }
 313
 314 //////////////////////////////////////////////////////////////////////
 315
 316
 317 MapleStream & operator<<(MapleStream & ms, MathAtom const & at)
 318 {
 319         at->maple(ms);
 320         return ms;
 321 }
 322
 323
 324 MapleStream & operator<<(MapleStream & ms, MathData const & ar)
 325 {
 326         maple(ar, ms);
 327         return ms;
 328 }
 329
 330
 331 MapleStream & operator<<(MapleStream & ms, char const * s)
 332 {
 333         ms.os() << s;
 334         return ms;
 335 }
 336
 337
 338 MapleStream & operator<<(MapleStream & ms, char c)
 339 {
 340         ms.os() << c;
 341         return ms;
 342 }
 343
 344
 345 MapleStream & operator<<(MapleStream & ms, int i)
 346 {
 347         ms.os() << i;
 348         return ms;
 349 }
 350
 351
 352 MapleStream & operator<<(MapleStream & ms, char_type c)
 353 {
 354         ms.os().put(c);
 355         return ms;
 356 }
 357
 358
 359 MapleStream & operator<<(MapleStream & ms, docstring const & s)
 360 {
 361         ms.os() << s;
 362         return ms;
 363 }
 364
 365
 366 //////////////////////////////////////////////////////////////////////
 367
 368
 369 MaximaStream & operator<<(MaximaStream & ms, MathAtom const & at)
 370 {
 371         at->maxima(ms);
 372         return ms;
 373 }
 374
 375
 376 MaximaStream & operator<<(MaximaStream & ms, MathData const & ar)
 377 {
 378         maxima(ar, ms);
 379         return ms;
 380 }
 381
 382
 383 MaximaStream & operator<<(MaximaStream & ms, char const * s)
 384 {
 385         ms.os() << s;
 386         return ms;
 387 }
 388
 389
 390 MaximaStream & operator<<(MaximaStream & ms, char c)
 391 {
 392         ms.os() << c;
 393         return ms;
 394 }
 395
 396
 397 MaximaStream & operator<<(MaximaStream & ms, int i)
 398 {
 399         ms.os() << i;
 400         return ms;
 401 }
 402
 403
 404 MaximaStream & operator<<(MaximaStream & ms, docstring const & s)
 405 {
 406         ms.os() << s;
 407         return ms;
 408 }
 409
 410
 411 MaximaStream & operator<<(MaximaStream & ms, char_type c)
 412 {
 413         ms.os().put(c);
 414         return ms;
 415 }
 416
 417
 418 //////////////////////////////////////////////////////////////////////
 419
 420
 421 MathematicaStream & operator<<(MathematicaStream & ms, MathAtom const & at)
 422 {
 423         at->mathematica(ms);
 424         return ms;
 425 }
 426
 427
 428 MathematicaStream & operator<<(MathematicaStream & ms, MathData const & ar)
 429 {
 430         mathematica(ar, ms);
 431         return ms;
 432 }
 433
 434
 435 MathematicaStream & operator<<(MathematicaStream & ms, char const * s)
 436 {
 437         ms.os() << s;
 438         return ms;
 439 }
 440
 441
 442 MathematicaStream & operator<<(MathematicaStream & ms, char c)
 443 {
 444         ms.os() << c;
 445         return ms;
 446 }
 447
 448
 449 MathematicaStream & operator<<(MathematicaStream & ms, int i)
 450 {
 451         ms.os() << i;
 452         return ms;
 453 }
 454
 455
 456 MathematicaStream & operator<<(MathematicaStream & ms, docstring const & s)
 457 {
 458         ms.os() << s;
 459         return ms;
 460 }
 461
 462
 463 MathematicaStream & operator<<(MathematicaStream & ms, char_type c)
 464 {
 465         ms.os().put(c);
 466         return ms;
 467 }
 468
 469
 470 //////////////////////////////////////////////////////////////////////
 471
 472
 473 OctaveStream & operator<<(OctaveStream & ns, MathAtom const & at)
 474 {
 475         at->octave(ns);
 476         return ns;
 477 }
 478
 479
 480 OctaveStream & operator<<(OctaveStream & ns, MathData const & ar)
 481 {
 482         octave(ar, ns);
 483         return ns;
 484 }
 485
 486
 487 OctaveStream & operator<<(OctaveStream & ns, char const * s)
 488 {
 489         ns.os() << s;
 490         return ns;
 491 }
 492
 493
 494 OctaveStream & operator<<(OctaveStream & ns, char c)
 495 {
 496         ns.os() << c;
 497         return ns;
 498 }
 499
 500
 501 OctaveStream & operator<<(OctaveStream & ns, int i)
 502 {
 503         ns.os() << i;
 504         return ns;
 505 }
 506
 507
 508 OctaveStream & operator<<(OctaveStream & ns, docstring const & s)
 509 {
 510         ns.os() << s;
 511         return ns;
 512 }
 513
 514
 515 OctaveStream & operator<<(OctaveStream & ns, char_type c)
 516 {
 517         ns.os().put(c);
 518         return ns;
 519 }
 520
 521
 522 OctaveStream & operator<<(OctaveStream & os, string const & s)
 523 {
 524         os.os() << from_utf8(s);
 525         return os;
 526 }
 527
 528
 529 } // namespace lyx