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