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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 | ||
d5939a20 | 23 | #ifndef __DARWIN__ |
ad053960 GD |
24 | # include <malloc.h> |
25 | #endif | |
cecfc5e7 VZ |
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:: | |
d12e3536 | 243 | int u = 0; |
cecfc5e7 VZ |
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 | |
a5a0dd06 | 313 | // ASSERT( found ); |
cecfc5e7 VZ |
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 | ||
a5a0dd06 | 403 | // ASSERT( cur < sizeof(buf) ); |
cecfc5e7 VZ |
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 | |
a5a0dd06 | 437 | // ASSERT( pSection->mpParent == 0 ); |
cecfc5e7 VZ |
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(); | |
a5a0dd06 | 607 | // ASSERT( pTopSect ); |
cecfc5e7 VZ |
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 | } |