Bug Summary

File:dwgreader.cpp
Warning:line 687, column 21
Value stored to 'bs' is never read

Annotated Source Code

Press '?' to see keyboard shortcuts

clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name dwgreader.cpp -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -mframe-pointer=none -fmath-errno -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -fno-split-dwarf-inlining -debugger-tuning=gdb -resource-dir /usr/lib/llvm-11/lib/clang/11.0.0 -D _REENTRANT -D MUPARSER_STATIC -D QT_NO_DEBUG -I . -I ../../../Qt/6.6.3/gcc_64/mkspecs/linux-g++ -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10 -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/x86_64-linux-gnu/c++/10 -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/x86_64-linux-gnu/c++/10 -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/backward -internal-isystem /usr/local/include -internal-isystem /usr/lib/llvm-11/lib/clang/11.0.0/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O2 -std=gnu++1z -fdeprecated-macro -fdebug-compilation-dir /home/runner/work/LibreCAD/LibreCAD/libraries/libdxfrw -ferror-limit 19 -fgnuc-version=4.2.1 -fcxx-exceptions -fexceptions -vectorize-loops -vectorize-slp -analyzer-output=html -faddrsig -o /home/runner/work/LibreCAD/LibreCAD/out/2024-11-18-010818-4721-1 -x c++ src/intern/dwgreader.cpp
1/******************************************************************************
2** libDXFrw - Library to read/write DXF files (ascii & binary) **
3** **
4** Copyright (C) 2011-2015 José F. Soriano, rallazz@gmail.com **
5** **
6** This library is free software, licensed under the terms of the GNU **
7** General Public License as published by the Free Software Foundation, **
8** either version 2 of the License, or (at your option) any later version. **
9** You should have received a copy of the GNU General Public License **
10** along with this program. If not, see <http://www.gnu.org/licenses/>. **
11******************************************************************************/
12
13#include <cstdlib>
14#include <iostream>
15#include <fstream>
16#include <string>
17#include <sstream>
18#include "dwgreader.h"
19#include "drw_textcodec.h"
20#include "drw_dbg.h"
21
22namespace {
23 //helper function to cleanup pointers in Look Up Tables
24 template<typename T>
25 void mapCleanUp(std::unordered_map<duint32, T*>& table)
26 {
27 for (auto& item: table)
28 delete item.second;
29 }
30}
31
32dwgReader::~dwgReader() {
33 mapCleanUp(ltypemap);
34 mapCleanUp(layermap);
35 mapCleanUp(blockmap);
36 mapCleanUp(stylemap);
37 mapCleanUp(dimstylemap);
38 mapCleanUp(vportmap);
39 mapCleanUp(classesmap);
40 mapCleanUp(blockRecordmap);
41 mapCleanUp(appIdmap);
42}
43
44void dwgReader::parseAttribs(DRW_Entity* e) {
45 if (nullptr == e) {
46 return;
47 }
48
49 duint32 ltref =e->lTypeH.ref;
50 duint32 lyref =e->layerH.ref;
51 auto lt_it = ltypemap.find(ltref);
52 if (lt_it != ltypemap.end()) {
53 e->lineType = (lt_it->second)->name;
54 }
55 auto ly_it = layermap.find(lyref);
56 if (ly_it != layermap.end()) {
57 e->layer = (ly_it->second)->name;
58 }
59}
60
61std::string dwgReader::findTableName(DRW::TTYPE table, dint32 handle){
62 std::string name;
63 switch (table){
64 case DRW::STYLE:{
65 auto st_it = stylemap.find(handle);
66 if (st_it != stylemap.end())
67 name = (st_it->second)->name;
68 break;}
69 case DRW::DIMSTYLE:{
70 auto ds_it = dimstylemap.find(handle);
71 if (ds_it != dimstylemap.end())
72 name = (ds_it->second)->name;
73 break;}
74 case DRW::BLOCK_RECORD:{ //use DRW_Block because name are more correct
75// auto bk_it = blockmap.find(handle);
76// if (bk_it != blockmap.end())
77 auto bk_it = blockRecordmap.find(handle);
78 if (bk_it != blockRecordmap.end())
79 name = (bk_it->second)->name;
80 break;}
81/* case DRW::VPORT:{
82 auto vp_it = vportmap.find(handle);
83 if (vp_it != vportmap.end())
84 name = (vp_it->second)->name;
85 break;}*/
86 case DRW::LAYER:{
87 auto ly_it = layermap.find(handle);
88 if (ly_it != layermap.end())
89 name = (ly_it->second)->name;
90 break;}
91 case DRW::LTYPE:{
92 auto lt_it = ltypemap.find(handle);
93 if (lt_it != ltypemap.end())
94 name = (lt_it->second)->name;
95 break;}
96 default:
97 break;
98 }
99 return name;
100}
101
102bool dwgReader::readDwgHeader(DRW_Header& hdr, dwgBuffer *buf, dwgBuffer *hBuf){
103 bool ret = hdr.parseDwg(version, buf, hBuf, maintenanceVersion);
104 //RLZ: copy objectControl handles
105 return ret;
106}
107
108//RLZ: TODO add check instead print
109bool dwgReader::checkSentinel(dwgBuffer *buf, enum secEnum::DWGSection, bool start){
110 DRW_UNUSED(start)(void)start;
111 for (int i=0; i<16;i++) {
112 DRW_DBGH(buf->getRawChar8())DRW_dbg::getInstance()->printH(buf->getRawChar8()); DRW_DBG(" ")DRW_dbg::getInstance()->print(" ");
113 }
114 return true;
115}
116
117/*********** objects map ************************/
118/** Note: object map are split in sections with max size 2035?
119 * heach section are 2 bytes size + data bytes + 2 bytes crc
120 * size value are data bytes + 2 and to calculate crc are used
121 * 2 bytes size + data bytes
122 * last section are 2 bytes size + 2 bytes crc (size value always 2)
123**/
124bool dwgReader::readDwgHandles(dwgBuffer *dbuf, duint64 offset, duint64 size) {
125 DRW_DBG("\ndwgReader::readDwgHandles\n")DRW_dbg::getInstance()->print("\ndwgReader::readDwgHandles\n"
);
126 if (!dbuf->setPosition(offset))
127 return false;
128
129 duint32 maxPos = offset + size;
130 DRW_DBG("\nSection HANDLES offset= ")DRW_dbg::getInstance()->print("\nSection HANDLES offset= "
); DRW_DBG(offset)DRW_dbg::getInstance()->print(offset);
131 DRW_DBG("\nSection HANDLES size= ")DRW_dbg::getInstance()->print("\nSection HANDLES size= "); DRW_DBG(size)DRW_dbg::getInstance()->print(size);
132 DRW_DBG("\nSection HANDLES maxPos= ")DRW_dbg::getInstance()->print("\nSection HANDLES maxPos= "
); DRW_DBG(maxPos)DRW_dbg::getInstance()->print(maxPos);
133
134 int startPos = offset;
135
136 std::vector<duint8> tmpByteStr;
137 while (maxPos > dbuf->getPosition()) {
138 DRW_DBG("\nstart handles section buf->curPosition()= ")DRW_dbg::getInstance()->print("\nstart handles section buf->curPosition()= "
); DRW_DBG(dbuf->getPosition())DRW_dbg::getInstance()->print(dbuf->getPosition()); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
139 duint16 size = dbuf->getBERawShort16();
140 DRW_DBG("object map section size= ")DRW_dbg::getInstance()->print("object map section size= "); DRW_DBG(size)DRW_dbg::getInstance()->print(size); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
141 dbuf->setPosition(startPos);
142 tmpByteStr.resize(size);
143 dbuf->getBytes(tmpByteStr.data(), size);
144 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
145 if (size != 2){
146 buff.setPosition(2);
147 int lastHandle = 0;
148 int lastLoc = 0;
149 //read data
150 while(buff.getPosition()< size){
151 lastHandle += buff.getUModularChar();
152 DRW_DBG("object map lastHandle= ")DRW_dbg::getInstance()->print("object map lastHandle= "); DRW_DBGH(lastHandle)DRW_dbg::getInstance()->printH(lastHandle);
153 lastLoc += buff.getModularChar();
154 DRW_DBG(" lastLoc= ")DRW_dbg::getInstance()->print(" lastLoc= "); DRW_DBG(lastLoc)DRW_dbg::getInstance()->print(lastLoc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
155 ObjectMap[lastHandle]= objHandle(0, lastHandle, lastLoc);
156 }
157 }
158 //verify crc
159 duint16 crcCalc = buff.crc8(0xc0c1,0,size);
160 duint16 crcRead = dbuf->getBERawShort16();
161 DRW_DBG("object map section crc8 read= ")DRW_dbg::getInstance()->print("object map section crc8 read= "
); DRW_DBG(crcRead)DRW_dbg::getInstance()->print(crcRead);
162 DRW_DBG("\nobject map section crc8 calculated= ")DRW_dbg::getInstance()->print("\nobject map section crc8 calculated= "
); DRW_DBG(crcCalc)DRW_dbg::getInstance()->print(crcCalc);
163 DRW_DBG("\nobject section buf->curPosition()= ")DRW_dbg::getInstance()->print("\nobject section buf->curPosition()= "
); DRW_DBG(dbuf->getPosition())DRW_dbg::getInstance()->print(dbuf->getPosition()); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
164 startPos = dbuf->getPosition();
165 }
166
167 bool ret = dbuf->isGood();
168 return ret;
169}
170
171/*********** objects ************************/
172/**
173 * Reads all the object referenced in the object map section of the DWG file
174 * (using their object file offsets)
175 */
176bool dwgReader::readDwgTables(DRW_Header& hdr, dwgBuffer *dbuf) {
177 DRW_DBG("\ndwgReader::readDwgTables start\n")DRW_dbg::getInstance()->print("\ndwgReader::readDwgTables start\n"
);
178 bool ret = true;
179 bool ret2 = true;
180 objHandle oc;
181 dint16 oType;
182 duint32 bs = 0; //bit size of handle stream 2010+
183 std::vector<duint8> tmpByteStr;
184
185 //parse linetypes, start with linetype Control
186 auto mit = ObjectMap.find(hdr.linetypeCtrl);
187 if (mit==ObjectMap.end()) {
188 DRW_DBG("\nWARNING: LineType control not found\n")DRW_dbg::getInstance()->print("\nWARNING: LineType control not found\n"
);
189 ret = false;
190 } else {
191 DRW_DBG("\n**********Parsing LineType control*******\n")DRW_dbg::getInstance()->print("\n**********Parsing LineType control*******\n"
);
192 oc = mit->second;
193 ObjectMap.erase(mit);
194 DRW_ObjControl ltControl;
195 dbuf->setPosition(oc.loc);
196 int csize = dbuf->getModularShort();
197 if (version > DRW::AC1021) //2010+
198 bs = dbuf->getUModularChar();
199 else
200 bs = 0;
201 tmpByteStr.resize(csize);
202 dbuf->getBytes(tmpByteStr.data(), csize);
203 dwgBuffer cbuff(tmpByteStr.data(), csize, &decoder);
204 //verify if object are correct
205 oType = cbuff.getObjType(version);
206 if (oType != 0x38) {
207 DRW_DBG("\nWARNING: Not LineType control object, found oType ")DRW_dbg::getInstance()->print("\nWARNING: Not LineType control object, found oType "
);
208 DRW_DBG(oType)DRW_dbg::getInstance()->print(oType); DRW_DBG(" instead 0x38\n")DRW_dbg::getInstance()->print(" instead 0x38\n");
209 ret = false;
210 } else { //reset position
211 cbuff.resetPosition();
212 ret2 = ltControl.parseDwg(version, &cbuff, bs);
213 if(ret)
214 ret = ret2;
215 }
216 for (auto it = ltControl.handlesList.begin(); it != ltControl.handlesList.end(); ++it) {
217 mit = ObjectMap.find(*it);
218 if (mit==ObjectMap.end()) {
219 DRW_DBG("\nWARNING: LineType not found\n")DRW_dbg::getInstance()->print("\nWARNING: LineType not found\n"
);
220 ret = false;
221 } else {
222 oc = mit->second;
223 ObjectMap.erase(mit);
224 DRW_DBG("\nLineType Handle= ")DRW_dbg::getInstance()->print("\nLineType Handle= "); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(" loc.: ")DRW_dbg::getInstance()->print(" loc.: "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
225 DRW_LType *lt = new DRW_LType();
226 dbuf->setPosition(oc.loc);
227 int lsize = dbuf->getModularShort();
228 DRW_DBG("LineType size in bytes= ")DRW_dbg::getInstance()->print("LineType size in bytes= "); DRW_DBG(lsize)DRW_dbg::getInstance()->print(lsize);
229 if (version > DRW::AC1021) //2010+
230 bs = dbuf->getUModularChar();
231 else
232 bs = 0;
233 tmpByteStr.resize(lsize);
234 dbuf->getBytes(tmpByteStr.data(), lsize);
235 dwgBuffer lbuff(tmpByteStr.data(), lsize, &decoder);
236 ret2 = lt->parseDwg(version, &lbuff, bs);
237 ltypemap[lt->handle] = lt;
238 if(ret)
239 ret = ret2;
240 }
241 }
242 }
243
244 //parse layers, start with layer Control
245 mit = ObjectMap.find(hdr.layerCtrl);
246 if (mit==ObjectMap.end()) {
247 DRW_DBG("\nWARNING: Layer control not found\n")DRW_dbg::getInstance()->print("\nWARNING: Layer control not found\n"
);
248 ret = false;
249 } else {
250 DRW_DBG("\n**********Parsing Layer control*******\n")DRW_dbg::getInstance()->print("\n**********Parsing Layer control*******\n"
);
251 oc = mit->second;
252 ObjectMap.erase(mit);
253 DRW_ObjControl layControl;
254 dbuf->setPosition(oc.loc);
255 int size = dbuf->getModularShort();
256 if (version > DRW::AC1021) //2010+
257 bs = dbuf->getUModularChar();
258 else
259 bs = 0;
260 tmpByteStr.resize(size);
261 dbuf->getBytes(tmpByteStr.data(), size);
262 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
263 //verify if object are correct
264 oType = buff.getObjType(version);
265 if (oType != 0x32) {
266 DRW_DBG("\nWARNING: Not Layer control object, found oType ")DRW_dbg::getInstance()->print("\nWARNING: Not Layer control object, found oType "
);
267 DRW_DBG(oType)DRW_dbg::getInstance()->print(oType); DRW_DBG(" instead 0x32\n")DRW_dbg::getInstance()->print(" instead 0x32\n");
268 ret = false;
269 } else { //reset position
270 buff.resetPosition();
271 ret2 = layControl.parseDwg(version, &buff, bs);
272 if(ret)
273 ret = ret2;
274 }
275 for (auto it = layControl.handlesList.begin(); it != layControl.handlesList.end(); ++it) {
276 mit = ObjectMap.find(*it);
277 if (mit==ObjectMap.end()) {
278 DRW_DBG("\nWARNING: Layer not found\n")DRW_dbg::getInstance()->print("\nWARNING: Layer not found\n"
);
279 ret = false;
280 } else {
281 oc = mit->second;
282 ObjectMap.erase(mit);
283 DRW_DBG("Layer Handle= ")DRW_dbg::getInstance()->print("Layer Handle= "); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(" ")DRW_dbg::getInstance()->print(" "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
284 DRW_Layer *la = new DRW_Layer();
285 dbuf->setPosition(oc.loc);
286 int size = dbuf->getModularShort();
287 if (version > DRW::AC1021) //2010+
288 bs = dbuf->getUModularChar();
289 else
290 bs = 0;
291 tmpByteStr.resize(size);
292 dbuf->getBytes(tmpByteStr.data(), size);
293 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
294 ret2 = la->parseDwg(version, &buff, bs);
295 layermap[la->handle] = la;
296 if(ret)
297 ret = ret2;
298 }
299 }
300 }
301
302 //set linetype in layer
303 for (auto it=layermap.begin(); it!=layermap.end(); ++it) {
304 DRW_Layer *ly = it->second;
305 duint32 ref =ly->lTypeH.ref;
306 auto lt_it = ltypemap.find(ref);
307 if (lt_it != ltypemap.end()){
308 ly->lineType = (lt_it->second)->name;
309 }
310 }
311
312 //parse text styles, start with style Control
313 mit = ObjectMap.find(hdr.styleCtrl);
314 if (mit==ObjectMap.end()) {
315 DRW_DBG("\nWARNING: Style control not found\n")DRW_dbg::getInstance()->print("\nWARNING: Style control not found\n"
);
316 ret = false;
317 } else {
318 DRW_DBG("\n**********Parsing Style control*******\n")DRW_dbg::getInstance()->print("\n**********Parsing Style control*******\n"
);
319 oc = mit->second;
320 ObjectMap.erase(mit);
321 DRW_ObjControl styControl;
322 dbuf->setPosition(oc.loc);
323 int size = dbuf->getModularShort();
324 if (version > DRW::AC1021) //2010+
325 bs = dbuf->getUModularChar();
326 else
327 bs = 0;
328 tmpByteStr.resize(size);
329 dbuf->getBytes(tmpByteStr.data(), size);
330 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
331 //verify if object are correct
332 oType = buff.getObjType(version);
333 if (oType != 0x34) {
334 DRW_DBG("\nWARNING: Not Text Style control object, found oType ")DRW_dbg::getInstance()->print("\nWARNING: Not Text Style control object, found oType "
);
335 DRW_DBG(oType)DRW_dbg::getInstance()->print(oType); DRW_DBG(" instead 0x34\n")DRW_dbg::getInstance()->print(" instead 0x34\n");
336 ret = false;
337 } else { //reset position
338 buff.resetPosition();
339 ret2 = styControl.parseDwg(version, &buff, bs);
340 if(ret)
341 ret = ret2;
342 }
343 for (auto it = styControl.handlesList.begin(); it != styControl.handlesList.end(); ++it) {
344 mit = ObjectMap.find(*it);
345 if (mit==ObjectMap.end()) {
346 DRW_DBG("\nWARNING: Style not found\n")DRW_dbg::getInstance()->print("\nWARNING: Style not found\n"
);
347 ret = false;
348 } else {
349 oc = mit->second;
350 ObjectMap.erase(mit);
351 DRW_DBG("Style Handle= ")DRW_dbg::getInstance()->print("Style Handle= "); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(" ")DRW_dbg::getInstance()->print(" "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
352 DRW_Textstyle *sty = new DRW_Textstyle();
353 dbuf->setPosition(oc.loc);
354 int size = dbuf->getModularShort();
355 if (version > DRW::AC1021) //2010+
356 bs = dbuf->getUModularChar();
357 else
358 bs = 0;
359 tmpByteStr.resize(size);
360 dbuf->getBytes(tmpByteStr.data(), size);
361 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
362 ret2 = sty->parseDwg(version, &buff, bs);
363 stylemap[sty->handle] = sty;
364 if(ret)
365 ret = ret2;
366 }
367 }
368 }
369
370 //parse dim styles, start with dimstyle Control
371 mit = ObjectMap.find(hdr.dimstyleCtrl);
372 if (mit==ObjectMap.end()) {
373 DRW_DBG("\nWARNING: Dimension Style control not found\n")DRW_dbg::getInstance()->print("\nWARNING: Dimension Style control not found\n"
);
374 ret = false;
375 } else {
376 DRW_DBG("\n**********Parsing Dimension Style control*******\n")DRW_dbg::getInstance()->print("\n**********Parsing Dimension Style control*******\n"
);
377 oc = mit->second;
378 ObjectMap.erase(mit);
379 DRW_ObjControl dimstyControl;
380 dbuf->setPosition(oc.loc);
381 duint32 size = dbuf->getModularShort();
382 if (version > DRW::AC1021) //2010+
383 bs = dbuf->getUModularChar();
384 else
385 bs = 0;
386 tmpByteStr.resize(size);
387 dbuf->getBytes(tmpByteStr.data(), size);
388 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
389 //verify if object are correct
390 oType = buff.getObjType(version);
391 if (oType != 0x44) {
392 DRW_DBG("\nWARNING: Not Dim Style control object, found oType ")DRW_dbg::getInstance()->print("\nWARNING: Not Dim Style control object, found oType "
);
393 DRW_DBG(oType)DRW_dbg::getInstance()->print(oType); DRW_DBG(" instead 0x44\n")DRW_dbg::getInstance()->print(" instead 0x44\n");
394 ret = false;
395 } else { //reset position
396 buff.resetPosition();
397 ret2 = dimstyControl.parseDwg(version, &buff, bs);
398 if(ret)
399 ret = ret2;
400 }
401 for (auto it = dimstyControl.handlesList.begin(); it != dimstyControl.handlesList.end(); ++it) {
402 mit = ObjectMap.find(*it);
403 if (mit==ObjectMap.end()) {
404 DRW_DBG("\nWARNING: Dimension Style not found\n")DRW_dbg::getInstance()->print("\nWARNING: Dimension Style not found\n"
);
405 ret = false;
406 } else {
407 oc = mit->second;
408 ObjectMap.erase(mit);
409 DRW_DBG("Dimstyle Handle= ")DRW_dbg::getInstance()->print("Dimstyle Handle= "); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(" ")DRW_dbg::getInstance()->print(" "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
410 DRW_Dimstyle *sty = new DRW_Dimstyle();
411 dbuf->setPosition(oc.loc);
412 int size = dbuf->getModularShort();
413 if (version > DRW::AC1021) //2010+
414 bs = dbuf->getUModularChar();
415 else
416 bs = 0;
417 tmpByteStr.resize(size);
418 dbuf->getBytes(tmpByteStr.data(), size);
419 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
420 ret2 = sty->parseDwg(version, &buff, bs);
421 dimstylemap[sty->handle] = sty;
422 if(ret)
423 ret = ret2;
424 }
425 }
426 }
427
428 //parse vports, start with vports Control
429 mit = ObjectMap.find(hdr.vportCtrl);
430 if (mit==ObjectMap.end()) {
431 DRW_DBG("\nWARNING: vports control not found\n")DRW_dbg::getInstance()->print("\nWARNING: vports control not found\n"
);
432 ret = false;
433 } else {
434 DRW_DBG("\n**********Parsing vports control*******\n")DRW_dbg::getInstance()->print("\n**********Parsing vports control*******\n"
);
435 oc = mit->second;
436 ObjectMap.erase(mit);
437 DRW_ObjControl vportControl;
438 dbuf->setPosition(oc.loc);
439 int size = dbuf->getModularShort();
440 if (version > DRW::AC1021) //2010+
441 bs = dbuf->getUModularChar();
442 else
443 bs = 0;
444 tmpByteStr.resize(size);
445 dbuf->getBytes(tmpByteStr.data(), size);
446 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
447 //verify if object are correct
448 oType = buff.getObjType(version);
449 if (oType != 0x40) {
450 DRW_DBG("\nWARNING: Not VPorts control object, found oType: ")DRW_dbg::getInstance()->print("\nWARNING: Not VPorts control object, found oType: "
);
451 DRW_DBG(oType)DRW_dbg::getInstance()->print(oType); DRW_DBG(" instead 0x40\n")DRW_dbg::getInstance()->print(" instead 0x40\n");
452 ret = false;
453 } else { //reset position
454 buff.resetPosition();
455 ret2 = vportControl.parseDwg(version, &buff, bs);
456 if(ret)
457 ret = ret2;
458 }
459 for (auto it = vportControl.handlesList.begin(); it != vportControl.handlesList.end(); ++it) {
460 mit = ObjectMap.find(*it);
461 if (mit==ObjectMap.end()) {
462 DRW_DBG("\nWARNING: vport not found\n")DRW_dbg::getInstance()->print("\nWARNING: vport not found\n"
);
463 ret = false;
464 } else {
465 oc = mit->second;
466 ObjectMap.erase(mit);
467 DRW_DBG("Vport Handle= ")DRW_dbg::getInstance()->print("Vport Handle= "); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(" ")DRW_dbg::getInstance()->print(" "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
468 DRW_Vport *vp = new DRW_Vport();
469 dbuf->setPosition(oc.loc);
470 int size = dbuf->getModularShort();
471 if (version > DRW::AC1021) //2010+
472 bs = dbuf->getUModularChar();
473 else
474 bs = 0;
475 tmpByteStr.resize(size);
476 dbuf->getBytes(tmpByteStr.data(), size);
477 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
478 ret2 = vp->parseDwg(version, &buff, bs);
479 vportmap[vp->handle] = vp;
480 if(ret)
481 ret = ret2;
482 }
483 }
484 }
485
486 //parse Block_records , start with Block_record Control
487 mit = ObjectMap.find(hdr.blockCtrl);
488 if (mit==ObjectMap.end()) {
489 DRW_DBG("\nWARNING: Block_record control not found\n")DRW_dbg::getInstance()->print("\nWARNING: Block_record control not found\n"
);
490 ret = false;
491 } else {
492 DRW_DBG("\n**********Parsing Block_record control*******\n")DRW_dbg::getInstance()->print("\n**********Parsing Block_record control*******\n"
);
493 oc = mit->second;
494 ObjectMap.erase(mit);
495 DRW_ObjControl blockControl;
496 dbuf->setPosition(oc.loc);
497 int csize = dbuf->getModularShort();
498 if (version > DRW::AC1021) //2010+
499 bs = dbuf->getUModularChar();
500 else
501 bs = 0;
502 tmpByteStr.resize(csize);
503 dbuf->getBytes(tmpByteStr.data(), csize);
504 dwgBuffer buff(tmpByteStr.data(), csize, &decoder);
505 //verify if object are correct
506 oType = buff.getObjType(version);
507 if (oType != 0x30) {
508 DRW_DBG("\nWARNING: Not Block Record control object, found oType ")DRW_dbg::getInstance()->print("\nWARNING: Not Block Record control object, found oType "
);
509 DRW_DBG(oType)DRW_dbg::getInstance()->print(oType); DRW_DBG(" instead 0x30\n")DRW_dbg::getInstance()->print(" instead 0x30\n");
510 ret = false;
511 } else { //reset position
512 buff.resetPosition();
513 ret2 = blockControl.parseDwg(version, &buff, bs);
514 if(ret)
515 ret = ret2;
516 }
517 for (auto it = blockControl.handlesList.begin(); it != blockControl.handlesList.end(); ++it) {
518 mit = ObjectMap.find(*it);
519 if (mit==ObjectMap.end()) {
520 DRW_DBG("\nWARNING: block record not found\n")DRW_dbg::getInstance()->print("\nWARNING: block record not found\n"
);
521 ret = false;
522 } else {
523 oc = mit->second;
524 ObjectMap.erase(mit);
525 DRW_DBG("block record Handle= ")DRW_dbg::getInstance()->print("block record Handle= "); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(" ")DRW_dbg::getInstance()->print(" "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
526 DRW_Block_Record *br = new DRW_Block_Record();
527 dbuf->setPosition(oc.loc);
528 int size = dbuf->getModularShort();
529 if (version > DRW::AC1021) //2010+
530 bs = dbuf->getUModularChar();
531 else
532 bs = 0;
533 tmpByteStr.resize(size);
534 dbuf->getBytes(tmpByteStr.data(), size);
535 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
536 ret2 = br->parseDwg(version, &buff, bs);
537 blockRecordmap[br->handle] = br;
538 if(ret)
539 ret = ret2;
540 }
541 }
542 }
543
544 //parse appId , start with appId Control
545 mit = ObjectMap.find(hdr.appidCtrl);
546 if (mit==ObjectMap.end()) {
547 DRW_DBG("\nWARNING: AppId control not found\n")DRW_dbg::getInstance()->print("\nWARNING: AppId control not found\n"
);
548 ret = false;
549 } else {
550 DRW_DBG("\n**********Parsing AppId control*******\n")DRW_dbg::getInstance()->print("\n**********Parsing AppId control*******\n"
);
551 oc = mit->second;
552 ObjectMap.erase(mit);
553 DRW_DBG("AppId Control Obj Handle= ")DRW_dbg::getInstance()->print("AppId Control Obj Handle= "
); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(" ")DRW_dbg::getInstance()->print(" "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
554 DRW_ObjControl appIdControl;
555 dbuf->setPosition(oc.loc);
556 int size = dbuf->getModularShort();
557 if (version > DRW::AC1021) //2010+
558 bs = dbuf->getUModularChar();
559 else
560 bs = 0;
561 tmpByteStr.resize(size);
562 dbuf->getBytes(tmpByteStr.data(), size);
563 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
564 //verify if object are correct
565 oType = buff.getObjType(version);
566 if (oType != 0x42) {
567 DRW_DBG("\nWARNING: Not AppId control object, found oType ")DRW_dbg::getInstance()->print("\nWARNING: Not AppId control object, found oType "
);
568 DRW_DBG(oType)DRW_dbg::getInstance()->print(oType); DRW_DBG(" instead 0x42\n")DRW_dbg::getInstance()->print(" instead 0x42\n");
569 ret = false;
570 } else { //reset position
571 buff.resetPosition();
572 ret2 = appIdControl.parseDwg(version, &buff, bs);
573 if(ret)
574 ret = ret2;
575 }
576 for (auto it = appIdControl.handlesList.begin(); it != appIdControl.handlesList.end(); ++it) {
577 mit = ObjectMap.find(*it);
578 if (mit==ObjectMap.end()) {
579 DRW_DBG("\nWARNING: AppId not found\n")DRW_dbg::getInstance()->print("\nWARNING: AppId not found\n"
);
580 ret = false;
581 } else {
582 oc = mit->second;
583 ObjectMap.erase(mit);
584 DRW_DBG("AppId Handle= ")DRW_dbg::getInstance()->print("AppId Handle= "); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(" ")DRW_dbg::getInstance()->print(" "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
585 DRW_AppId *ai = new DRW_AppId();
586 dbuf->setPosition(oc.loc);
587 int size = dbuf->getModularShort();
588 if (version > DRW::AC1021) //2010+
589 bs = dbuf->getUModularChar();
590 else
591 bs = 0;
592 tmpByteStr.resize(size);
593 dbuf->getBytes(tmpByteStr.data(), size);
594 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
595 ret2 = ai->parseDwg(version, &buff, bs);
596 appIdmap[ai->handle] = ai;
597 if(ret)
598 ret = ret2;
599 }
600 }
601 }
602
603 //RLZ: parse remaining object controls, TODO: implement all
604 if (DRW_DBGGLDRW_dbg::getInstance()->getLevel() == DRW_dbg::Level::Debug){
605 mit = ObjectMap.find(hdr.viewCtrl);
606 if (mit==ObjectMap.end()) {
607 DRW_DBG("\nWARNING: View control not found\n")DRW_dbg::getInstance()->print("\nWARNING: View control not found\n"
);
608 ret = false;
609 } else {
610 DRW_DBG("\n**********Parsing View control*******\n")DRW_dbg::getInstance()->print("\n**********Parsing View control*******\n"
);
611 oc = mit->second;
612 ObjectMap.erase(mit);
613 DRW_DBG("View Control Obj Handle= ")DRW_dbg::getInstance()->print("View Control Obj Handle= "); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(" ")DRW_dbg::getInstance()->print(" "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
614 DRW_ObjControl viewControl;
615 dbuf->setPosition(oc.loc);
616 int size = dbuf->getModularShort();
617 if (version > DRW::AC1021) //2010+
618 bs = dbuf->getUModularChar();
619 else
620 bs = 0;
621 tmpByteStr.resize(size);
622 dbuf->getBytes(tmpByteStr.data(), size);
623 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
624 //verify if object are correct
625 oType = buff.getObjType(version);
626 if (oType != 0x3C) {
627 DRW_DBG("\nWARNING: Not View control object, found oType ")DRW_dbg::getInstance()->print("\nWARNING: Not View control object, found oType "
);
628 DRW_DBG(oType)DRW_dbg::getInstance()->print(oType); DRW_DBG(" instead 0x3C\n")DRW_dbg::getInstance()->print(" instead 0x3C\n");
629 ret = false;
630 } else { //reset position
631 buff.resetPosition();
632 ret2 = viewControl.parseDwg(version, &buff, bs);
633 if(ret)
634 ret = ret2;
635 }
636 }
637
638 mit = ObjectMap.find(hdr.ucsCtrl);
639 if (mit==ObjectMap.end()) {
640 DRW_DBG("\nWARNING: Ucs control not found\n")DRW_dbg::getInstance()->print("\nWARNING: Ucs control not found\n"
);
641 ret = false;
642 } else {
643 oc = mit->second;
644 ObjectMap.erase(mit);
645 DRW_DBG("\n**********Parsing Ucs control*******\n")DRW_dbg::getInstance()->print("\n**********Parsing Ucs control*******\n"
);
646 DRW_DBG("Ucs Control Obj Handle= ")DRW_dbg::getInstance()->print("Ucs Control Obj Handle= "); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(" ")DRW_dbg::getInstance()->print(" "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
647 DRW_ObjControl ucsControl;
648 dbuf->setPosition(oc.loc);
649 int size = dbuf->getModularShort();
650 if (version > DRW::AC1021) //2010+
651 bs = dbuf->getUModularChar();
652 else
653 bs = 0;
654 tmpByteStr.resize(size);
655 dbuf->getBytes(tmpByteStr.data(), size);
656 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
657 //verify if object are correct
658 oType = buff.getObjType(version);
659 if (oType != 0x3E) {
660 DRW_DBG("\nWARNING: Not Ucs control object, found oType ")DRW_dbg::getInstance()->print("\nWARNING: Not Ucs control object, found oType "
);
661 DRW_DBG(oType)DRW_dbg::getInstance()->print(oType); DRW_DBG(" instead 0x3E\n")DRW_dbg::getInstance()->print(" instead 0x3E\n");
662 ret = false;
663 } else { //reset position
664 buff.resetPosition();
665 ret2 = ucsControl.parseDwg(version, &buff, bs);
666 if(ret)
667 ret = ret2;
668 }
669 }
670
671 if (version < DRW::AC1018) {//r2000-
672 mit = ObjectMap.find(hdr.vpEntHeaderCtrl);
673 if (mit==ObjectMap.end()) {
674 DRW_DBG("\nWARNING: vpEntHeader control not found\n")DRW_dbg::getInstance()->print("\nWARNING: vpEntHeader control not found\n"
);
675 ret = false;
676 } else {
677 DRW_DBG("\n**********Parsing vpEntHeader control*******\n")DRW_dbg::getInstance()->print("\n**********Parsing vpEntHeader control*******\n"
);
678 oc = mit->second;
679 ObjectMap.erase(mit);
680 DRW_DBG("vpEntHeader Control Obj Handle= ")DRW_dbg::getInstance()->print("vpEntHeader Control Obj Handle= "
); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(" ")DRW_dbg::getInstance()->print(" "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
681 DRW_ObjControl vpEntHeaderCtrl;
682 dbuf->setPosition(oc.loc);
683 int size = dbuf->getModularShort();
684 if (version > DRW::AC1021) //2010+
685 bs = dbuf->getUModularChar();
686 else
687 bs = 0;
Value stored to 'bs' is never read
688 tmpByteStr.resize(size);
689 dbuf->getBytes(tmpByteStr.data(), size);
690 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
691 //verify if object are correct
692 oType = buff.getObjType(version);
693 if (oType != 0x46) {
694 DRW_DBG("\nWARNING: Not vpEntHeader control object, found oType ")DRW_dbg::getInstance()->print("\nWARNING: Not vpEntHeader control object, found oType "
);
695 DRW_DBG(oType)DRW_dbg::getInstance()->print(oType); DRW_DBG(" instead 0x46\n")DRW_dbg::getInstance()->print(" instead 0x46\n");
696 ret = false;
697 } else { //reset position
698 buff.resetPosition();
699/* RLZ: writeme ret2 = vpEntHeader.parseDwg(version, &buff, bs);
700 if(ret)
701 ret = ret2;*/
702 }
703 }
704 }
705 }
706
707 return ret;
708}
709
710bool dwgReader::readDwgBlocks(DRW_Interface& intfa, dwgBuffer *dbuf){
711 bool ret = true;
712 bool ret2 = true;
713 duint32 bs =0;
714 DRW_DBG("\nobject map total size= ")DRW_dbg::getInstance()->print("\nobject map total size= "); DRW_DBG(ObjectMap.size())DRW_dbg::getInstance()->print(ObjectMap.size());
715
716 for (auto it=blockRecordmap.begin(); it != blockRecordmap.end(); ++it){
717 DRW_Block_Record* bkr= it->second;
718 DRW_DBG("\nParsing Block, record handle= ")DRW_dbg::getInstance()->print("\nParsing Block, record handle= "
); DRW_DBGH(it->first)DRW_dbg::getInstance()->printH(it->first); DRW_DBG(" Name= ")DRW_dbg::getInstance()->print(" Name= "); DRW_DBG(bkr->name)DRW_dbg::getInstance()->print(bkr->name); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
719 DRW_DBG("\nFinding Block, handle= ")DRW_dbg::getInstance()->print("\nFinding Block, handle= "); DRW_DBGH(bkr->block)DRW_dbg::getInstance()->printH(bkr->block); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
720 auto mit = ObjectMap.find(bkr->block);
721 if (mit==ObjectMap.end()) {
722 DRW_DBG("\nWARNING: block entity not found\n")DRW_dbg::getInstance()->print("\nWARNING: block entity not found\n"
);
723 ret = false;
724 continue;
725 }
726 objHandle oc = mit->second;
727 ObjectMap.erase(mit);
728 DRW_DBG("Block Handle= ")DRW_dbg::getInstance()->print("Block Handle= "); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(" Location: ")DRW_dbg::getInstance()->print(" Location: "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
729 if ( !(dbuf->setPosition(oc.loc)) ){
730 DRW_DBG("Bad Location reading blocks\n")DRW_dbg::getInstance()->print("Bad Location reading blocks\n"
);
731 ret = false;
732 continue;
733 }
734 int size = dbuf->getModularShort();
735 if (version > DRW::AC1021) //2010+
736 bs = dbuf->getUModularChar();
737 else
738 bs = 0;
739
740 std::vector<duint8> tmpByteStr(size);
741 dbuf->getBytes(tmpByteStr.data(), size);
742 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
743 DRW_Block bk;
744 ret2 = bk.parseDwg(version, &buff, bs);
745 ret = ret && ret2;
746 parseAttribs(&bk);
747 //complete block entity with block record data
748 bk.basePoint = bkr->basePoint;
749 bk.flags = bkr->flags;
750 intfa.addBlock(bk);
751 //and update block record name
752 bkr->name = bk.name;
753
754 /**read & send block entities**/
755 // in dwg code 330 are not set like dxf in ModelSpace & PaperSpace, set it (RLZ: only tested in 2000)
756 if (bk.parentHandle == DRW::NoHandle) {
757 // in dwg code 330 are not set like dxf in ModelSpace & PaperSpace, set it
758 bk.parentHandle= bkr->handle;
759 //and do not send block entities like dxf
760 } else {
761 if (version < DRW::AC1018) { //pre 2004
762 duint32 nextH = bkr->firstEH;
763 while (nextH != 0){
764 mit = ObjectMap.find(nextH);
765 if (mit==ObjectMap.end()) {
766 nextH = 0;//end while if entity not found
767 DRW_DBG("\nWARNING: Entity of block not found\n")DRW_dbg::getInstance()->print("\nWARNING: Entity of block not found\n"
);
768 ret = false;
769 continue;
770 } else {//foud entity reads it
771 oc = mit->second;
772 ObjectMap.erase(mit);
773 ret2 = readDwgEntity(dbuf, oc, intfa);
774 ret = ret && ret2;
775 }
776 if (nextH == bkr->lastEH)
777 nextH = 0; //redundant, but prevent read errors
778 else
779 nextH = nextEntLink;
780 }
781 } else {//2004+
782 for (std::vector<duint32>::iterator it = bkr->entMap.begin() ; it != bkr->entMap.end(); ++it){
783 duint32 nextH = *it;
784 mit = ObjectMap.find(nextH);
785 if (mit==ObjectMap.end()) {
786 DRW_DBG("\nWARNING: Entity of block not found\n")DRW_dbg::getInstance()->print("\nWARNING: Entity of block not found\n"
);
787 ret = false;
788 continue;
789 } else {//foud entity reads it
790 oc = mit->second;
791 ObjectMap.erase(mit);
792 DRW_DBG("\nBlocks, parsing entity: ")DRW_dbg::getInstance()->print("\nBlocks, parsing entity: "
); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(", pos: ")DRW_dbg::getInstance()->print(", pos: "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
793 ret2 = readDwgEntity(dbuf, oc, intfa);
794 ret = ret && ret2;
795 }
796 }
797 }//end 2004+
798 }
799
800 //end block entity, really needed to parse a dummy entity??
801 mit = ObjectMap.find(bkr->endBlock);
802 if (mit==ObjectMap.end()) {
803 DRW_DBG("\nWARNING: end block entity not found\n")DRW_dbg::getInstance()->print("\nWARNING: end block entity not found\n"
);
804 ret = false;
805 continue;
806 }
807 oc = mit->second;
808 ObjectMap.erase(mit);
809 DRW_DBG("End block Handle= ")DRW_dbg::getInstance()->print("End block Handle= "); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(" Location: ")DRW_dbg::getInstance()->print(" Location: "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
810 dbuf->setPosition(oc.loc);
811 size = dbuf->getModularShort();
812 if (version > DRW::AC1021) //2010+
813 bs = dbuf->getUModularChar();
814 else
815 bs = 0;
816 tmpByteStr.resize(size);
817 dbuf->getBytes(tmpByteStr.data(), size);
818 dwgBuffer buff1(tmpByteStr.data(), size, &decoder);
819 DRW_Block end;
820 end.isEnd = true;
821 ret2 = end.parseDwg(version, &buff1, bs);
822 ret = ret && ret2;
823 if (bk.parentHandle == DRW::NoHandle) bk.parentHandle= bkr->handle;
824 parseAttribs(&end);
825 intfa.endBlock();
826 }
827
828 return ret;
829}
830
831bool dwgReader::readPlineVertex(DRW_Polyline& pline, dwgBuffer *dbuf){
832 bool ret = true;
833 bool ret2 = true;
834 objHandle oc;
835 duint32 bs = 0;
836
837 if (version < DRW::AC1018) { //pre 2004
838 duint32 nextH = pline.firstEH;
839 while (nextH != 0){
840 auto mit = ObjectMap.find(nextH);
841 if (mit==ObjectMap.end()) {
842 nextH = 0;//end while if entity not found
843 DRW_DBG("\nWARNING: pline vertex not found\n")DRW_dbg::getInstance()->print("\nWARNING: pline vertex not found\n"
);
844 ret = false;
845 continue;
846 } else {//foud entity reads it
847 oc = mit->second;
848 ObjectMap.erase(mit);
849 DRW_Vertex vt;
850 dbuf->setPosition(oc.loc);
851 //RLZ: verify if pos is ok
852 int size = dbuf->getModularShort();
853 if (version > DRW::AC1021) {//2010+
854 bs = dbuf->getUModularChar();
855 }
856 std::vector<duint8> tmpByteStr(size);
857 dbuf->getBytes(tmpByteStr.data(), size);
858 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
859 dint16 oType = buff.getObjType(version);
860 buff.resetPosition();
861 DRW_DBG(" object type= ")DRW_dbg::getInstance()->print(" object type= "); DRW_DBG(oType)DRW_dbg::getInstance()->print(oType); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
862 ret2 = vt.parseDwg(version, &buff, bs, pline.basePoint.z);
863 pline.addVertex(vt);
864 nextEntLink = vt.nextEntLink; \
865 prevEntLink = vt.prevEntLink;
866 ret = ret && ret2;
867 }
868 if (nextH == pline.lastEH)
869 nextH = 0; //redundant, but prevent read errors
870 else
871 nextH = nextEntLink;
872 }
873 } else {//2004+
874 for (std::list<duint32>::iterator it = pline.hadlesList.begin() ; it != pline.hadlesList.end(); ++it){
875 duint32 nextH = *it;
876 auto mit = ObjectMap.find(nextH);
877 if (mit==ObjectMap.end()) {
878 DRW_DBG("\nWARNING: Entity of block not found\n")DRW_dbg::getInstance()->print("\nWARNING: Entity of block not found\n"
);
879 ret = false;
880 continue;
881 } else {//foud entity reads it
882 oc = mit->second;
883 ObjectMap.erase(mit);
884 DRW_DBG("\nPline vertex, parsing entity: ")DRW_dbg::getInstance()->print("\nPline vertex, parsing entity: "
); DRW_DBGH(oc.handle)DRW_dbg::getInstance()->printH(oc.handle); DRW_DBG(", pos: ")DRW_dbg::getInstance()->print(", pos: "); DRW_DBG(oc.loc)DRW_dbg::getInstance()->print(oc.loc); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
885 DRW_Vertex vt;
886 dbuf->setPosition(oc.loc);
887 //RLZ: verify if pos is ok
888 int size = dbuf->getModularShort();
889 if (version > DRW::AC1021) {//2010+
890 bs = dbuf->getUModularChar();
891 }
892 std::vector<duint8> tmpByteStr(size);
893 dbuf->getBytes(tmpByteStr.data(), size);
894 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
895 dint16 oType = buff.getObjType(version);
896 buff.resetPosition();
897 DRW_DBG(" object type= ")DRW_dbg::getInstance()->print(" object type= "); DRW_DBG(oType)DRW_dbg::getInstance()->print(oType); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
898 ret2 = vt.parseDwg(version, &buff, bs, pline.basePoint.z);
899 pline.addVertex(vt);
900 nextEntLink = vt.nextEntLink; \
901 prevEntLink = vt.prevEntLink;
902 ret = ret && ret2;
903 }
904 }
905 }//end 2004+
906 DRW_DBG("\nRemoved SEQEND entity: ")DRW_dbg::getInstance()->print("\nRemoved SEQEND entity: "); DRW_DBGH(pline.seqEndH.ref)DRW_dbg::getInstance()->printH(pline.seqEndH.ref);DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
907 ObjectMap.erase(pline.seqEndH.ref);
908
909 return ret;
910}
911
912bool dwgReader::readDwgEntities(DRW_Interface& intfa, dwgBuffer *dbuf){
913 bool ret = true;
914
915 DRW_DBG("\nobject map total size= ")DRW_dbg::getInstance()->print("\nobject map total size= "); DRW_DBG(ObjectMap.size())DRW_dbg::getInstance()->print(ObjectMap.size());
916 auto itB=ObjectMap.begin();
917 auto itE=ObjectMap.end();
918 while (itB != itE) {
919 if (ret) {
920 // once readDwgEntity() failed, just clear the ObjectMap
921 ret = readDwgEntity( dbuf, itB->second, intfa);
922 }
923 ObjectMap.erase( itB);
924 itB = ObjectMap.begin();
925 }
926 return ret;
927}
928
929/**
930 * Reads a dwg drawing entity (dwg object entity) given its offset in the file
931 */
932bool dwgReader::readDwgEntity(dwgBuffer *dbuf, objHandle& obj, DRW_Interface& intfa){
933 bool ret = true;
934 duint32 bs = 0;
935
936 nextEntLink = prevEntLink = 0;// set to 0 to skip unimplemented entities
937 dbuf->setPosition(obj.loc);
938 //verify if position is ok:
939 if (!dbuf->isGood()){
940 DRW_DBG(" Warning: readDwgEntity, bad location\n")DRW_dbg::getInstance()->print(" Warning: readDwgEntity, bad location\n"
);
941 return false;
942 }
943 int size = dbuf->getModularShort();
944 if (version > DRW::AC1021) {//2010+
945 bs = dbuf->getUModularChar();
946 }
947 std::vector<duint8> tmpByteStr(size);
948 dbuf->getBytes(tmpByteStr.data(), size);
949 //verify if getBytes is ok:
950 if (!dbuf->isGood()) {
951 DRW_DBG(" Warning: readDwgEntity, bad size\n")DRW_dbg::getInstance()->print(" Warning: readDwgEntity, bad size\n"
);
952 return false;
953 }
954 dwgBuffer buff(tmpByteStr.data(), size, &decoder);
955 dint16 oType = buff.getObjType(version);
956 buff.resetPosition();
957
958 if (oType > 499){
959 auto it = classesmap.find(oType);
960 if (it == classesmap.end()){//fail, not found in classes set error
961 DRW_DBG("Class ")DRW_dbg::getInstance()->print("Class "); DRW_DBG(oType)DRW_dbg::getInstance()->print(oType);DRW_DBG("not found, handle: ")DRW_dbg::getInstance()->print("not found, handle: "); DRW_DBG(obj.handle)DRW_dbg::getInstance()->print(obj.handle); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
962 return false;
963 } else {
964 DRW_Class *cl = it->second;
965 if (cl->dwgType != 0)
966 oType = cl->dwgType;
967 }
968 }
969
970 obj.type = oType;
971 switch (oType) {
972 case 17: {
973 DRW_Arc e;
974 if (entryParse( e, buff, bs, ret)) {
975 intfa.addArc(e);
976 }
977 break; }
978 case 18: {
979 DRW_Circle e;
980 if (entryParse( e, buff, bs, ret)) {
981 intfa.addCircle(e);
982 }
983 break; }
984 case 19:{
985 DRW_Line e;
986 if (entryParse( e, buff, bs, ret)) {
987 intfa.addLine(e);
988 }
989 break;}
990 case 27: {
991 DRW_Point e;
992 if (entryParse( e, buff, bs, ret)) {
993 intfa.addPoint(e);
994 }
995 break; }
996 case 35: {
997 DRW_Ellipse e;
998 if (entryParse( e, buff, bs, ret)) {
999 intfa.addEllipse(e);
1000 }
1001 break; }
1002 case 7:
1003 case 8: {//minsert = 8
1004 DRW_Insert e;
1005 if (entryParse( e, buff, bs, ret)) {
1006 e.name = findTableName(DRW::BLOCK_RECORD,
1007 e.blockRecH.ref);//RLZ: find as block or blockrecord (ps & ps0)
1008 intfa.addInsert(e);
1009 }
1010 break; }
1011 case 77: {
1012 DRW_LWPolyline e;
1013 if (entryParse( e, buff, bs, ret)) {
1014 intfa.addLWPolyline(e);
1015 }
1016 break; }
1017 case 1: {
1018 DRW_Text e;
1019 if (entryParse( e, buff, bs, ret)) {
1020 e.style = findTableName(DRW::STYLE, e.styleH.ref);
1021 intfa.addText(e);
1022 }
1023 break; }
1024 case 44: {
1025 DRW_MText e;
1026 if (entryParse( e, buff, bs, ret)) {
1027 e.style = findTableName(DRW::STYLE, e.styleH.ref);
1028 intfa.addMText(e);
1029 }
1030 break; }
1031 case 28: {
1032 DRW_3Dface e;
1033 if (entryParse( e, buff, bs, ret)) {
1034 intfa.add3dFace(e);
1035 }
1036 break; }
1037 case 20: {
1038 DRW_DimOrdinate e;
1039 if (entryParse( e, buff, bs, ret)) {
1040 e.style = findTableName(DRW::DIMSTYLE, e.dimStyleH.ref);
1041 intfa.addDimOrdinate(&e);
1042 }
1043 break; }
1044 case 21: {
1045 DRW_DimLinear e;
1046 if (entryParse( e, buff, bs, ret)) {
1047 e.style = findTableName(DRW::DIMSTYLE, e.dimStyleH.ref);
1048 intfa.addDimLinear(&e);
1049 }
1050 break; }
1051 case 22: {
1052 DRW_DimAligned e;
1053 if (entryParse( e, buff, bs, ret)) {
1054 e.style = findTableName(DRW::DIMSTYLE, e.dimStyleH.ref);
1055 intfa.addDimAlign(&e);
1056 }
1057 break; }
1058 case 23: {
1059 DRW_DimAngular3p e;
1060 if (entryParse( e, buff, bs, ret)) {
1061 e.style = findTableName(DRW::DIMSTYLE, e.dimStyleH.ref);
1062 intfa.addDimAngular3P(&e);
1063 }
1064 break; }
1065 case 24: {
1066 DRW_DimAngular e;
1067 if (entryParse( e, buff, bs, ret)) {
1068 e.style = findTableName(DRW::DIMSTYLE, e.dimStyleH.ref);
1069 intfa.addDimAngular(&e);
1070 }
1071 break; }
1072 case 25: {
1073 DRW_DimRadial e;
1074 if (entryParse( e, buff, bs, ret)) {
1075 e.style = findTableName(DRW::DIMSTYLE, e.dimStyleH.ref);
1076 intfa.addDimRadial(&e);
1077 }
1078 break; }
1079 case 26: {
1080 DRW_DimDiametric e;
1081 if (entryParse( e, buff, bs, ret)) {
1082 e.style = findTableName(DRW::DIMSTYLE, e.dimStyleH.ref);
1083 intfa.addDimDiametric(&e);
1084 }
1085 break; }
1086 case 45: {
1087 DRW_Leader e;
1088 if (entryParse( e, buff, bs, ret)) {
1089 e.style = findTableName(DRW::DIMSTYLE, e.dimStyleH.ref);
1090 intfa.addLeader(&e);
1091 }
1092 break; }
1093 case 31: {
1094 DRW_Solid e;
1095 if (entryParse( e, buff, bs, ret)) {
1096 intfa.addSolid(e);
1097 }
1098 break; }
1099 case 78: {
1100 DRW_Hatch e;
1101 if (entryParse( e, buff, bs, ret)) {
1102 intfa.addHatch(&e);
1103 }
1104 break; }
1105 case 32: {
1106 DRW_Trace e;
1107 if (entryParse( e, buff, bs, ret)) {
1108 intfa.addTrace(e);
1109 }
1110 break; }
1111 case 34: {
1112 DRW_Viewport e;
1113 if (entryParse( e, buff, bs, ret)) {
1114 intfa.addViewport(e);
1115 }
1116 break; }
1117 case 36: {
1118 DRW_Spline e;
1119 if (entryParse( e, buff, bs, ret)) {
1120 intfa.addSpline(&e);
1121 }
1122 break; }
1123 case 40: {
1124 DRW_Ray e;
1125 if (entryParse( e, buff, bs, ret)) {
1126 intfa.addRay(e);
1127 }
1128 break; }
1129 case 15: // pline 2D
1130 case 16: // pline 3D
1131 case 29: { // pline PFACE
1132 DRW_Polyline e;
1133 if (entryParse( e, buff, bs, ret)) {
1134 readPlineVertex(e, dbuf);
1135 intfa.addPolyline(e);
1136 }
1137 break; }
1138// case 30: {
1139// DRW_Polyline e;// MESH (not pline)
1140// ENTRY_PARSE(e)
1141// intfa.addRay(e);
1142// break; }
1143 case 41: {
1144 DRW_Xline e;
1145 if (entryParse( e, buff, bs, ret)) {
1146 intfa.addXline(e);
1147 }
1148 break; }
1149 case 101: {
1150 DRW_Image e;
1151 if (entryParse( e, buff, bs, ret)) {
1152 intfa.addImage(&e);
1153 }
1154 break; }
1155
1156 default:
1157 //not supported or are object add to remaining map
1158 objObjectMap[obj.handle]= obj;
1159 break;
1160 }
1161 if (!ret){
1162 DRW_DBG("Warning: Entity type ")DRW_dbg::getInstance()->print("Warning: Entity type "); DRW_DBG(oType)DRW_dbg::getInstance()->print(oType);DRW_DBG("has failed, handle: ")DRW_dbg::getInstance()->print("has failed, handle: "); DRW_DBG(obj.handle)DRW_dbg::getInstance()->print(obj.handle); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1163 }
1164
1165 return ret;
1166}
1167
1168bool dwgReader::readDwgObjects(DRW_Interface& intfa, dwgBuffer *dbuf){
1169 bool ret = true;
1170
1171 duint32 i=0;
1172 DRW_DBG("\nentities map total size= ")DRW_dbg::getInstance()->print("\nentities map total size= "
); DRW_DBG(ObjectMap.size())DRW_dbg::getInstance()->print(ObjectMap.size());
1173 DRW_DBG("\nobjects map total size= ")DRW_dbg::getInstance()->print("\nobjects map total size= "
); DRW_DBG(objObjectMap.size())DRW_dbg::getInstance()->print(objObjectMap.size());
1174 auto itB=objObjectMap.begin();
1175 auto itE=objObjectMap.end();
1176 while (itB != itE){
1177 if (ret) {
1178 // once readDwgObject() failed, just clear the ObjectMap
1179 ret = readDwgObject(dbuf, itB->second, intfa);
1180 }
1181 objObjectMap.erase(itB);
1182 itB=objObjectMap.begin();
1183 }
1184 if (DRW_DBGGLDRW_dbg::getInstance()->getLevel() == DRW_dbg::Level::Debug) {
1185 for (auto it=remainingMap.begin(); it != remainingMap.end(); ++it){
1186 DRW_DBG("\nnum.# ")DRW_dbg::getInstance()->print("\nnum.# "); DRW_DBG(i++)DRW_dbg::getInstance()->print(i++); DRW_DBG(" Remaining object Handle, loc, type= ")DRW_dbg::getInstance()->print(" Remaining object Handle, loc, type= "
); DRW_DBG(it->first)DRW_dbg::getInstance()->print(it->first);
1187 DRW_DBG(" ")DRW_dbg::getInstance()->print(" "); DRW_DBG(it->second.loc)DRW_dbg::getInstance()->print(it->second.loc); DRW_DBG(" ")DRW_dbg::getInstance()->print(" "); DRW_DBG(it->second.type)DRW_dbg::getInstance()->print(it->second.type);
1188 }
1189 DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1190 }
1191 return ret;
1192}
1193
1194/**
1195 * Reads a dwg drawing object (dwg object object) given its offset in the file
1196 */
1197bool dwgReader::readDwgObject(dwgBuffer *dbuf, objHandle& obj, DRW_Interface& intfa){
1198 bool ret = true;
1199 duint32 bs = 0;
1200
1201 dbuf->setPosition(obj.loc);
1202 //verify if position is ok:
1203 if (!dbuf->isGood()){
1204 DRW_DBG(" Warning: readDwgObject, bad location\n")DRW_dbg::getInstance()->print(" Warning: readDwgObject, bad location\n"
);
1205 return false;
1206 }
1207 int size = dbuf->getModularShort();
1208 if (version > DRW::AC1021) {//2010+
1209 bs = dbuf->getUModularChar();
1210 }
1211 duint8 *tmpByteStr = new duint8[size];
1212 dbuf->getBytes(tmpByteStr, size);
1213 //verify if getBytes is ok:
1214 if (!dbuf->isGood()){
1215 DRW_DBG(" Warning: readDwgObject, bad size\n")DRW_dbg::getInstance()->print(" Warning: readDwgObject, bad size\n"
);
1216 delete[]tmpByteStr;
1217 return false;
1218 }
1219 dwgBuffer buff(tmpByteStr, size, &decoder);
1220 //oType are set parsing entities
1221 dint16 oType = obj.type;
1222
1223 switch (oType){
1224 case 102: {
1225 DRW_ImageDef e;
1226 ret = e.parseDwg(version, &buff, bs);
1227 intfa.linkImage(&e);
1228 break; }
1229 default:
1230 //not supported object or entity add to remaining map for debug
1231 remainingMap[obj.handle]= obj;
1232 break;
1233 }
1234 if (!ret){
1235 DRW_DBG("Warning: Object type ")DRW_dbg::getInstance()->print("Warning: Object type "); DRW_DBG(oType)DRW_dbg::getInstance()->print(oType);DRW_DBG("has failed, handle: ")DRW_dbg::getInstance()->print("has failed, handle: "); DRW_DBG(obj.handle)DRW_dbg::getInstance()->print(obj.handle); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1236 }
1237 delete[]tmpByteStr;
1238 return ret;
1239}
1240
1241
1242
1243bool DRW_ObjControl::parseDwg(DRW::Version version, dwgBuffer *buf, duint32 bs){
1244int unkData=0;
1245 bool ret = DRW_TableEntry::parseDwg(version, buf, nullptr, bs);
1246 DRW_DBG("\n***************************** parsing object control entry *********************************************\n")DRW_dbg::getInstance()->print("\n***************************** parsing object control entry *********************************************\n"
);
1247 if (!ret)
1248 return ret;
1249 //last parsed is: XDic Missing Flag 2004+
1250 int numEntries = buf->getBitLong();
1251 DRW_DBG(" num entries: ")DRW_dbg::getInstance()->print(" num entries: "); DRW_DBG(numEntries)DRW_dbg::getInstance()->print(numEntries); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1252 DRW_DBG("Remaining bytes: ")DRW_dbg::getInstance()->print("Remaining bytes: "); DRW_DBG(buf->numRemainingBytes())DRW_dbg::getInstance()->print(buf->numRemainingBytes()); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1253
1254// if (oType == 68 && version== DRW::AC1015){//V2000 dimstyle seems have one unknown byte hard handle counter??
1255 if (oType == 68 && version > DRW::AC1014){//dimstyle seems have one unknown byte hard handle counter??
1256 unkData = buf->getRawChar8();
1257 DRW_DBG(" unknown v2000 byte: ")DRW_dbg::getInstance()->print(" unknown v2000 byte: "); DRW_DBG( unkData)DRW_dbg::getInstance()->print(unkData); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1258 }
1259 if (version > DRW::AC1018){//from v2007+ have a bit for strings follows (ObjControl do not have)
1260 int stringBit = buf->getBit();
1261 DRW_DBG(" string bit for v2007+: ")DRW_dbg::getInstance()->print(" string bit for v2007+: "); DRW_DBG( stringBit)DRW_dbg::getInstance()->print(stringBit); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1262 }
1263
1264 dwgHandle objectH = buf->getHandle();
1265 DRW_DBG(" NULL Handle: ")DRW_dbg::getInstance()->print(" NULL Handle: "); DRW_DBGHL(objectH.code, objectH.size, objectH.ref)DRW_dbg::getInstance()->printHL(objectH.code, objectH.size
,objectH.ref); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1266 DRW_DBG("Remaining bytes: ")DRW_dbg::getInstance()->print("Remaining bytes: "); DRW_DBG(buf->numRemainingBytes())DRW_dbg::getInstance()->print(buf->numRemainingBytes()); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1267
1268// if (oType == 56 && version== DRW::AC1015){//linetype in 2004 seems not have XDicObjH or NULL handle
1269 if (xDictFlag !=1){//linetype in 2004 seems not have XDicObjH or NULL handle
1270 dwgHandle XDicObjH = buf->getHandle();
1271 DRW_DBG(" XDicObj control Handle: ")DRW_dbg::getInstance()->print(" XDicObj control Handle: "); DRW_DBGHL(XDicObjH.code, XDicObjH.size, XDicObjH.ref)DRW_dbg::getInstance()->printHL(XDicObjH.code, XDicObjH.size
,XDicObjH.ref); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1272 DRW_DBG("Remaining bytes: ")DRW_dbg::getInstance()->print("Remaining bytes: "); DRW_DBG(buf->numRemainingBytes())DRW_dbg::getInstance()->print(buf->numRemainingBytes()); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1273 }
1274//add 2 for modelspace, paperspace blocks & bylayer, byblock linetypes
1275 numEntries = ((oType == 48) || (oType == 56)) ? (numEntries +2) : numEntries;
1276
1277 for (int i =0; i< numEntries; i++){
1278 objectH = buf->getOffsetHandle(handle);
1279 if (objectH.ref != 0) //in vports R14 I found some NULL handles
1280 handlesList.push_back (objectH.ref);
1281 DRW_DBG(" objectH Handle: ")DRW_dbg::getInstance()->print(" objectH Handle: "); DRW_DBGHL(objectH.code, objectH.size, objectH.ref)DRW_dbg::getInstance()->printHL(objectH.code, objectH.size
,objectH.ref); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1282 DRW_DBG("Remaining bytes: ")DRW_dbg::getInstance()->print("Remaining bytes: "); DRW_DBG(buf->numRemainingBytes())DRW_dbg::getInstance()->print(buf->numRemainingBytes()); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1283 }
1284
1285 for (int i =0; i< unkData; i++){
1286 objectH = buf->getOffsetHandle(handle);
1287 DRW_DBG(" unknown Handle: ")DRW_dbg::getInstance()->print(" unknown Handle: "); DRW_DBGHL(objectH.code, objectH.size, objectH.ref)DRW_dbg::getInstance()->printHL(objectH.code, objectH.size
,objectH.ref); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1288 DRW_DBG("Remaining bytes: ")DRW_dbg::getInstance()->print("Remaining bytes: "); DRW_DBG(buf->numRemainingBytes())DRW_dbg::getInstance()->print(buf->numRemainingBytes()); DRW_DBG("\n")DRW_dbg::getInstance()->print("\n");
1289 }
1290 return buf->isGood();
1291}
1292