| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: No names yet. |
| 3 | // Purpose: Contrib. demo |
| 4 | // Author: Aleksandras Gluchovas |
| 5 | // Modified by: |
| 6 | // Created: 22/09/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Aleskandars Gluchovas |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // For compilers that support precompilation, includes "wx/wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #ifdef __BORLANDC__ |
| 16 | #pragma hdrstop |
| 17 | #endif |
| 18 | |
| 19 | #ifndef WX_PRECOMP |
| 20 | #include "wx/wx.h" |
| 21 | #endif |
| 22 | |
| 23 | #ifndef __DARWIN__ |
| 24 | # include <malloc.h> |
| 25 | #endif |
| 26 | #include <string.h> |
| 27 | #include <memory.h> |
| 28 | |
| 29 | #include <stdio.h> // import sprintf() (for doubles) |
| 30 | #include <stdlib.h> // import atoi() (for integers) |
| 31 | |
| 32 | #include "scriptbinder.h" |
| 33 | |
| 34 | // helper functions |
| 35 | |
| 36 | static size_t log2(size_t nr) |
| 37 | { |
| 38 | size_t tmp = 0; |
| 39 | while (nr >= 2 ) |
| 40 | { |
| 41 | nr /= 2; |
| 42 | ++tmp; |
| 43 | } |
| 44 | |
| 45 | return tmp; |
| 46 | } |
| 47 | |
| 48 | /***** Implementation for class ScriptStream *****/ |
| 49 | |
| 50 | ScriptStream::ScriptStream() |
| 51 | : mpBuf(0), |
| 52 | mSize(0), |
| 53 | mCapacity(0) |
| 54 | {} |
| 55 | |
| 56 | ScriptStream::~ScriptStream() |
| 57 | { |
| 58 | if ( mpBuf ) delete mpBuf; |
| 59 | } |
| 60 | |
| 61 | void ScriptStream::WriteBytes( const void* srcBuf, size_t count ) |
| 62 | { |
| 63 | if ( !count ) return; |
| 64 | |
| 65 | // increase the capacity if necessary |
| 66 | if ( mSize + count > mCapacity ) |
| 67 | { |
| 68 | mCapacity = |
| 69 | ( 0x2 << (log2( mSize + count ) + 1 ) ); |
| 70 | |
| 71 | if ( mCapacity < 128 ) mCapacity = 128; |
| 72 | |
| 73 | char* oldBuf = mpBuf; |
| 74 | |
| 75 | mpBuf = new char[mCapacity]; |
| 76 | |
| 77 | if ( oldBuf ) |
| 78 | { |
| 79 | memcpy( mpBuf, oldBuf, mSize ); |
| 80 | delete oldBuf; |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | // append new data |
| 85 | memcpy( &mpBuf[mSize], srcBuf, count ); |
| 86 | |
| 87 | mSize += count; |
| 88 | } |
| 89 | |
| 90 | ScriptStream& ScriptStream::operator<<( const char* str ) |
| 91 | { |
| 92 | WriteBytes( str, strlen( str ) ); |
| 93 | |
| 94 | return *this; |
| 95 | } |
| 96 | |
| 97 | ScriptStream& ScriptStream::operator<<( const string& str ) |
| 98 | { |
| 99 | if ( str.length() < 512 ) |
| 100 | { |
| 101 | char buf[512]; |
| 102 | size_t len = str.length(); |
| 103 | |
| 104 | for( size_t i = 0; i != len; ++i ) |
| 105 | buf[i] = str[i]; |
| 106 | |
| 107 | WriteBytes( buf, len ); |
| 108 | } |
| 109 | else |
| 110 | WriteBytes( str.c_str(), str.length() ); |
| 111 | |
| 112 | return *this; |
| 113 | } |
| 114 | |
| 115 | ScriptStream& ScriptStream::operator<<( char ch ) |
| 116 | { |
| 117 | WriteBytes( &ch, 1 ); |
| 118 | |
| 119 | return *this; |
| 120 | } |
| 121 | |
| 122 | void ScriptStream::endl() |
| 123 | { |
| 124 | char ch = '\n'; |
| 125 | WriteBytes( &ch, 1 ); |
| 126 | } |
| 127 | |
| 128 | /***** Implementation for class ScriptTemplate *****/ |
| 129 | |
| 130 | ScriptTemplate::ScriptTemplate( const string& templateText ) |
| 131 | { |
| 132 | string tmp = templateText; |
| 133 | |
| 134 | mTText = (char*)malloc( tmp.length() + 1 ); |
| 135 | |
| 136 | strcpy( mTText, tmp.c_str() ); |
| 137 | } |
| 138 | |
| 139 | ScriptTemplate::~ScriptTemplate() |
| 140 | { |
| 141 | for( size_t i = 0; i != mVars.size(); ++i ) |
| 142 | |
| 143 | delete mVars[i]; |
| 144 | |
| 145 | free( mTText ); |
| 146 | } |
| 147 | |
| 148 | bool ScriptTemplate::HasVar( const char* name ) |
| 149 | { |
| 150 | for( size_t i = 0; i != mVars.size(); ++i ) |
| 151 | |
| 152 | if ( strcmp( mVars[i]->mName, name ) == 0 ) |
| 153 | |
| 154 | return 1; |
| 155 | |
| 156 | return 0; |
| 157 | } |
| 158 | |
| 159 | void ScriptTemplate::AddStringVar ( const char* name, int ofs ) |
| 160 | { |
| 161 | mVars.push_back( new TVarInfo( name, ofs, TVAR_STRING ) ); |
| 162 | } |
| 163 | |
| 164 | void ScriptTemplate::AddIntegerVar( const char* name, int ofs ) |
| 165 | { |
| 166 | mVars.push_back( new TVarInfo( name, ofs, TVAR_INTEGER ) ); |
| 167 | } |
| 168 | |
| 169 | void ScriptTemplate::AddDoubleVar ( const char* name, int ofs ) |
| 170 | { |
| 171 | mVars.push_back( new TVarInfo( name, ofs, TVAR_DOUBLE ) ); |
| 172 | } |
| 173 | |
| 174 | void ScriptTemplate::AddObjectRefArray( const char* name, |
| 175 | int ofsRefToFirstObj, |
| 176 | int ofsObjSizeInt, |
| 177 | int ofsObjRefTempl |
| 178 | ) |
| 179 | { |
| 180 | TArrayInfo* pInfo = new TArrayInfo( name ); |
| 181 | |
| 182 | mVars.push_back( pInfo ); |
| 183 | |
| 184 | pInfo->mRefOfs = ofsRefToFirstObj; |
| 185 | pInfo->mSizeIntOfs = ofsObjSizeInt; |
| 186 | pInfo->mObjRefTemplOfs = ofsObjRefTempl; |
| 187 | } |
| 188 | |
| 189 | inline void ScriptTemplate::PrintVar( TVarInfo* pInfo, |
| 190 | void* dataObj, |
| 191 | ScriptStream& stm ) |
| 192 | { |
| 193 | char buf[128]; |
| 194 | |
| 195 | switch ( pInfo->mType ) |
| 196 | { |
| 197 | case TVAR_INTEGER : |
| 198 | { |
| 199 | sprintf(buf, "%d",*( (int*) ((char*)dataObj + pInfo->mOfs) ) ); |
| 200 | |
| 201 | stm.WriteBytes( buf, strlen(buf ) ); |
| 202 | break; |
| 203 | } |
| 204 | |
| 205 | case TVAR_STRING : |
| 206 | { |
| 207 | string& str = *( (string*) ((char*)dataObj+pInfo->mOfs) ); |
| 208 | |
| 209 | const char* cs = str.c_str(); |
| 210 | #ifdef DEBUG_WEIRED_OFFSETS |
| 211 | cout << "DBG:: cs address is " << (int)cs << endl; |
| 212 | cout << "DBG:: str address is " << (int)(&str) << endl; |
| 213 | cout << "DBG:: dataObj points to " << (int)dataObj << endl; |
| 214 | cout << "DBG:: pInfo->mOfs value is " << (int)pInfo->mOfs << endl; |
| 215 | cout << "DBG:: d+pInfo->mOfs is " << (int)((char*)dataObj + pInfo->mOfs) << endl; |
| 216 | cout << "DBG:: pInfo->mName is " << pInfo->mName << endl; |
| 217 | cout << "DBG:: pInfo->mType is " << pInfo->mType << endl; |
| 218 | cout << "DBG:: end of dump. " << endl; |
| 219 | |
| 220 | cout << "DBG:: cs value is " << endl << cs << endl; |
| 221 | #endif |
| 222 | stm.WriteBytes( cs, strlen(cs) ); |
| 223 | break; |
| 224 | } |
| 225 | |
| 226 | case TVAR_DOUBLE : |
| 227 | { |
| 228 | sprintf( buf, "%f", |
| 229 | *( (double*)( (char*)dataObj+pInfo->mOfs) ) ); |
| 230 | |
| 231 | stm.WriteBytes( buf, strlen(buf ) ); |
| 232 | break; |
| 233 | } |
| 234 | |
| 235 | case TVAR_REF_ARRAY : |
| 236 | { |
| 237 | TArrayInfo& info = *((TArrayInfo*)pInfo); |
| 238 | |
| 239 | int sz = *((int*) ( (char*)dataObj+info.mSizeIntOfs )); |
| 240 | if ( !sz ) |
| 241 | { |
| 242 | // DBG:: |
| 243 | int u = 0; |
| 244 | ++u; |
| 245 | break; |
| 246 | } |
| 247 | |
| 248 | int* array = *((int**)( (char*)dataObj+info.mRefOfs )); |
| 249 | |
| 250 | ScriptTemplate* pRefTempl; |
| 251 | |
| 252 | for( int i = 0; i != sz; ++i ) |
| 253 | { |
| 254 | pRefTempl = |
| 255 | *((ScriptTemplate**)((char*)(array[i])+info.mObjRefTemplOfs)); |
| 256 | |
| 257 | pRefTempl->PrintScript( (void*)array[i], stm ); |
| 258 | } |
| 259 | |
| 260 | break; |
| 261 | } |
| 262 | |
| 263 | default : break; |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | void ScriptTemplate::PrintScript( void* dataObj, ScriptStream& stm ) |
| 268 | { |
| 269 | char* cur = mTText; |
| 270 | |
| 271 | // template parsing loop |
| 272 | do |
| 273 | { |
| 274 | char* start = cur; |
| 275 | |
| 276 | while( *cur != '\0' && *cur != '$' ) ++cur; |
| 277 | |
| 278 | // flush text collected between variables |
| 279 | stm.WriteBytes( start, cur - start ); |
| 280 | |
| 281 | if ( *cur == '\0' ) break; |
| 282 | |
| 283 | cur += 2; // skip to the name of the var |
| 284 | |
| 285 | start = cur; |
| 286 | |
| 287 | while( *cur != ')' ) ++cur; |
| 288 | |
| 289 | // put terminating zero temorarely |
| 290 | |
| 291 | *cur = '\0'; |
| 292 | |
| 293 | // look up variable |
| 294 | |
| 295 | size_t sz = mVars.size(); |
| 296 | bool found = 0; |
| 297 | |
| 298 | for( size_t i = 0; i != sz; ++i ) |
| 299 | { |
| 300 | if ( strcmp( mVars[i]->mName, start ) == 0 ) |
| 301 | { |
| 302 | PrintVar( mVars[i], dataObj, stm ); |
| 303 | |
| 304 | *cur = ')'; // remove terminating zero |
| 305 | ++cur; |
| 306 | found = 1; |
| 307 | break; |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | // variable referred by template script is not |
| 312 | // registered to this tempalte object |
| 313 | // ASSERT( found ); |
| 314 | |
| 315 | } while(1); |
| 316 | } |
| 317 | |
| 318 | /***** implementation for class ScriptSection *****/ |
| 319 | |
| 320 | int ScriptSection::mIdCounter = 0; |
| 321 | |
| 322 | ScriptSection::ScriptSection( const string& name, |
| 323 | const string& body, |
| 324 | ScriptTemplate* pSectionTemplate, |
| 325 | ScriptTemplate* pReferenceTemplate, |
| 326 | bool autoHide, |
| 327 | bool sorted |
| 328 | ) |
| 329 | : mpParent ( NULL ), |
| 330 | |
| 331 | mName ( name ), |
| 332 | mBody ( body ), |
| 333 | |
| 334 | mAutoHide( autoHide ), |
| 335 | mSortOn ( sorted ), |
| 336 | |
| 337 | mpSectTempl( pSectionTemplate ), |
| 338 | mpRefTempl ( pReferenceTemplate ), |
| 339 | |
| 340 | mRefCount( 0 ), |
| 341 | mArrSize( 0 ) |
| 342 | { |
| 343 | // generate GUID |
| 344 | |
| 345 | char buf[32]; |
| 346 | sprintf( buf, "%d", ++mIdCounter ); |
| 347 | mId = buf; |
| 348 | } |
| 349 | |
| 350 | ScriptSection::~ScriptSection() |
| 351 | { |
| 352 | SectListT lst = mSubsections; |
| 353 | |
| 354 | while( mSubsections.size() ) |
| 355 | |
| 356 | mSubsections[0]->RemoveRef(); |
| 357 | |
| 358 | for( size_t i = 0; i != mReferences.size(); ++i ) |
| 359 | |
| 360 | mReferences[i]->RemoveRef(); |
| 361 | } |
| 362 | |
| 363 | void ScriptSection::AddRef() |
| 364 | { |
| 365 | ++mRefCount; |
| 366 | } |
| 367 | |
| 368 | void ScriptSection::RemoveRef() |
| 369 | { |
| 370 | if ( !mRefCount || !(--mRefCount) ) |
| 371 | { |
| 372 | if (mpParent) |
| 373 | { |
| 374 | // remove ourselves from parent's list |
| 375 | |
| 376 | SectListT& lst = mpParent->mSubsections; |
| 377 | for( size_t i = 0; i != lst.size(); ++i ) |
| 378 | |
| 379 | if ( lst[i] == this ) |
| 380 | { |
| 381 | lst.erase( &lst[i] ); |
| 382 | break; |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | delete this; |
| 387 | } |
| 388 | } |
| 389 | |
| 390 | ScriptSection* ScriptSection::GetSubsection( const char* name ) |
| 391 | { |
| 392 | // FOR NOW:: fixed section name length |
| 393 | char buf[128]; |
| 394 | |
| 395 | size_t cur = 0; |
| 396 | |
| 397 | while( name[cur] && name[cur] != '/' ) |
| 398 | { |
| 399 | buf[cur] = name[cur]; |
| 400 | ++cur; |
| 401 | } |
| 402 | |
| 403 | // ASSERT( cur < sizeof(buf) ); |
| 404 | |
| 405 | buf[cur] = '\0'; |
| 406 | |
| 407 | size_t sz = mSubsections.size(); |
| 408 | |
| 409 | for( size_t i = 0; i != sz; ++i ) |
| 410 | { |
| 411 | // DBG:: |
| 412 | //ScriptSection& sect = *mSubsections[i]; |
| 413 | |
| 414 | if ( mSubsections[i]->mName == buf ) |
| 415 | { |
| 416 | if ( name[cur] == '/' ) |
| 417 | |
| 418 | // search recursivelly |
| 419 | return mSubsections[i]->GetSubsection( &name[cur+1] ); |
| 420 | else |
| 421 | return mSubsections[i]; |
| 422 | } |
| 423 | } |
| 424 | |
| 425 | return 0; |
| 426 | } |
| 427 | |
| 428 | void ScriptSection::AddSection( ScriptSection* pSection, |
| 429 | bool addToReferencesToo |
| 430 | ) |
| 431 | { |
| 432 | mSubsections.push_back( pSection ); |
| 433 | |
| 434 | pSection->AddRef(); |
| 435 | |
| 436 | // can add section to multiple containers |
| 437 | // ASSERT( pSection->mpParent == 0 ); |
| 438 | |
| 439 | pSection->mpParent = this; |
| 440 | |
| 441 | if ( addToReferencesToo ) |
| 442 | |
| 443 | AddReference( pSection ); |
| 444 | } |
| 445 | |
| 446 | void ScriptSection::AddReference( ScriptSection* pReferredSection ) |
| 447 | { |
| 448 | mReferences.push_back( pReferredSection ); |
| 449 | |
| 450 | pReferredSection->AddRef(); |
| 451 | |
| 452 | // set up mandatory fields used by ScriptTemplate |
| 453 | mArrSize = mReferences.size(); |
| 454 | if ( mArrSize ) |
| 455 | mRefFirst = (void*)&mReferences[0]; |
| 456 | } |
| 457 | |
| 458 | SectListT& ScriptSection::GetSubsections() |
| 459 | { |
| 460 | return mSubsections; |
| 461 | } |
| 462 | |
| 463 | // static method: |
| 464 | void ScriptSection::RegisterTemplate( ScriptTemplate& sectionTempalte ) |
| 465 | { |
| 466 | int nameOfs, bodyOfs, idOfs, |
| 467 | arrRefOfs, arrSizeOfs, refTemplOfs; |
| 468 | |
| 469 | // obtaining offsets of member vars |
| 470 | |
| 471 | GET_VAR_OFS( ScriptSection, mName, &nameOfs ) |
| 472 | GET_VAR_OFS( ScriptSection, mBody, &bodyOfs ) |
| 473 | GET_VAR_OFS( ScriptSection, mId, &idOfs ) |
| 474 | GET_VAR_OFS( ScriptSection, mRefFirst, &arrRefOfs ) |
| 475 | GET_VAR_OFS( ScriptSection, mArrSize, &arrSizeOfs ) |
| 476 | |
| 477 | GET_VAR_OFS( ScriptSection, mpRefTempl, &refTemplOfs ) |
| 478 | |
| 479 | // registering member variables with given script template |
| 480 | |
| 481 | sectionTempalte.AddStringVar( "NAME", nameOfs ); |
| 482 | sectionTempalte.AddStringVar( "BODY", bodyOfs ); |
| 483 | sectionTempalte.AddStringVar( "ID", idOfs ); |
| 484 | |
| 485 | sectionTempalte.AddObjectRefArray( "REFLIST", |
| 486 | arrRefOfs, arrSizeOfs, refTemplOfs ); |
| 487 | } |
| 488 | |
| 489 | void ScriptSection::Print( ScriptStream& stm ) |
| 490 | { |
| 491 | // TBD:: sorting |
| 492 | |
| 493 | // print out this content first |
| 494 | if ( mpSectTempl ) |
| 495 | |
| 496 | mpSectTempl->PrintScript( this, stm ); |
| 497 | |
| 498 | // attach contents subsections at the end of this content |
| 499 | |
| 500 | for( size_t i = 0; i != mSubsections.size(); ++i ) |
| 501 | |
| 502 | mSubsections[i]->Print( stm ); |
| 503 | } |
| 504 | |
| 505 | void ScriptSection::DoRemoveEmptySections(int& nRemoved, SectListT& removedLst) |
| 506 | { |
| 507 | for( size_t i = 0; i != mSubsections.size(); ++i ) |
| 508 | { |
| 509 | ScriptSection& sect = *mSubsections[i]; |
| 510 | |
| 511 | sect.DoRemoveEmptySections( nRemoved, removedLst ); |
| 512 | |
| 513 | if (sect.mAutoHide ) |
| 514 | |
| 515 | if ( sect.mReferences.size() == 0 ) |
| 516 | { |
| 517 | bool found = 0; |
| 518 | for( size_t k = 0; k != removedLst.size(); ++k ) |
| 519 | |
| 520 | if ( removedLst[k] == § ) |
| 521 | { |
| 522 | found = 1; |
| 523 | break; |
| 524 | } |
| 525 | |
| 526 | if ( !found ) |
| 527 | { |
| 528 | removedLst.push_back( § ); |
| 529 | ++nRemoved; |
| 530 | |
| 531 | delete § |
| 532 | --i; |
| 533 | } |
| 534 | } |
| 535 | } |
| 536 | } |
| 537 | |
| 538 | void ScriptSection::DoRemoveDeadLinks( SectListT& removedLst) |
| 539 | { |
| 540 | size_t dsz = removedLst.size(); |
| 541 | |
| 542 | for( size_t i = 0; i != mSubsections.size(); ++i ) |
| 543 | { |
| 544 | mSubsections[i]->DoRemoveDeadLinks( removedLst ); |
| 545 | } |
| 546 | |
| 547 | for( size_t n = 0; n != mReferences.size(); ++n ) |
| 548 | { |
| 549 | for( size_t k = 0; k != dsz; ++k ) |
| 550 | |
| 551 | if ( removedLst[k] == mReferences[n] ) |
| 552 | { |
| 553 | mReferences.erase( &mReferences[n] ); |
| 554 | --n; |
| 555 | |
| 556 | // set up mandatory fields used by ScriptTemplate |
| 557 | mArrSize = mReferences.size(); |
| 558 | if ( mArrSize ) |
| 559 | mRefFirst = (void*)&mReferences[0]; |
| 560 | |
| 561 | break; |
| 562 | } |
| 563 | } |
| 564 | } |
| 565 | |
| 566 | |
| 567 | void ScriptSection::RemoveEmptySections() |
| 568 | { |
| 569 | // FIXME:: this is very_very_very slow alg.! +"doesn't work" |
| 570 | |
| 571 | int nRemoved = 0; |
| 572 | |
| 573 | do |
| 574 | { |
| 575 | SectListT removedLst; |
| 576 | nRemoved = 0; |
| 577 | |
| 578 | DoRemoveEmptySections( nRemoved, removedLst ); |
| 579 | |
| 580 | DoRemoveDeadLinks( removedLst ); |
| 581 | } |
| 582 | while( nRemoved ); |
| 583 | } |
| 584 | |
| 585 | /***** Iimplementation for class DocGeneratorBase *****/ |
| 586 | |
| 587 | bool DocGeneratorBase::SaveDocument( const char* fname, |
| 588 | const char* fopenOptions, |
| 589 | ScriptSection* pFromSection |
| 590 | ) |
| 591 | { |
| 592 | FILE* fp = fopen( fname, fopenOptions ); |
| 593 | |
| 594 | if ( (int)fp == -1 ) return 0; |
| 595 | |
| 596 | ScriptStream stm; |
| 597 | |
| 598 | // check if derived class agrees about saving it |
| 599 | if ( !OnSaveDocument( stm ) ) return 0; |
| 600 | |
| 601 | if ( pFromSection ) |
| 602 | |
| 603 | pFromSection->Print( stm ); |
| 604 | else |
| 605 | { |
| 606 | ScriptSection* pTopSect = GetTopSection(); |
| 607 | // ASSERT( pTopSect ); |
| 608 | pTopSect->Print( stm ); |
| 609 | } |
| 610 | |
| 611 | size_t nWrite = fwrite( stm.GetBuf(), 1, stm.GetBufSize(), fp ); |
| 612 | |
| 613 | if ( nWrite != stm.GetBufSize() ) return 0; |
| 614 | |
| 615 | fclose( fp ); |
| 616 | |
| 617 | return 1; |
| 618 | |
| 619 | // that^s it |
| 620 | } |