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95 lines
3.5 KiB
C++
95 lines
3.5 KiB
C++
/******************************************************************************
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** libDXFrw - Library to read/write DXF files (ascii & binary) **
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** **
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** Copyright (C) 2011-2015 José F. Soriano, rallazz@gmail.com **
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** **
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** This library is free software, licensed under the terms of the GNU **
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** General Public License as published by the Free Software Foundation, **
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** either version 2 of the License, or (at your option) any later version. **
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** You should have received a copy of the GNU General Public License **
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** along with this program. If not, see <http://www.gnu.org/licenses/>. **
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******************************************************************************/
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#ifndef DWGREADER18_H
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#define DWGREADER18_H
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#include <map>
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#include <list>
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#include "dwgreader.h"
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//#include "../drw_textcodec.h"
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#include "dwgbuffer.h"
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static const int DRW_magicNum18[] = {
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0x29, 0x23, 0xbe, 0x84, 0xe1, 0x6c, 0xd6, 0xae,
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0x52, 0x90, 0x49, 0xf1, 0xf1, 0xbb, 0xe9, 0xeb,
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0xb3, 0xa6, 0xdb, 0x3c, 0x87, 0x0c, 0x3e, 0x99,
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0x24, 0x5e, 0x0d, 0x1c, 0x06, 0xb7, 0x47, 0xde,
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0xb3, 0x12, 0x4d, 0xc8, 0x43, 0xbb, 0x8b, 0xa6,
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0x1f, 0x03, 0x5a, 0x7d, 0x09, 0x38, 0x25, 0x1f,
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0x5d, 0xd4, 0xcb, 0xfc, 0x96, 0xf5, 0x45, 0x3b,
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0x13, 0x0d, 0x89, 0x0a, 0x1c, 0xdb, 0xae, 0x32,
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0x20, 0x9a, 0x50, 0xee, 0x40, 0x78, 0x36, 0xfd,
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0x12, 0x49, 0x32, 0xf6, 0x9e, 0x7d, 0x49, 0xdc,
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0xad, 0x4f, 0x14, 0xf2, 0x44, 0x40, 0x66, 0xd0,
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0x6b, 0xc4, 0x30, 0xb7, 0x32, 0x3b, 0xa1, 0x22,
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0xf6, 0x22, 0x91, 0x9d, 0xe1, 0x8b, 0x1f, 0xda,
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0xb0, 0xca, 0x99, 0x02
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};
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static const int DRW_magicNumEnd18[] = {
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0xf8, 0x46, 0x6a, 0x04, 0x96, 0x73, 0x0e, 0xd9,
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0x16, 0x2f, 0x67, 0x68, 0xd4, 0xf7, 0x4a, 0x4a,
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0xd0, 0x57, 0x68, 0x76};
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class dwgReader18 : public dwgReader {
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public:
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dwgReader18(std::ifstream *stream, dwgR *p):dwgReader(stream, p){
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}
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bool readMetaData() override;
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bool readFileHeader() override;
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bool readDwgHeader(DRW_Header& hdr) override;
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bool readDwgClasses() override;
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bool readDwgHandles() override;
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bool readDwgTables(DRW_Header& hdr) override;
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bool readDwgBlocks(DRW_Interface& intfa) override {
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bool ret = true;
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dwgBuffer dataBuf(objData.get(), uncompSize, &decoder);
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ret = dwgReader::readDwgBlocks(intfa, &dataBuf);
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return ret;
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}
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bool readDwgEntities(DRW_Interface& intfa) override {
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bool ret = true;
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dwgBuffer dataBuf(objData.get(), uncompSize, &decoder);
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ret = dwgReader::readDwgEntities(intfa, &dataBuf);
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return ret;
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}
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bool readDwgObjects(DRW_Interface& intfa) override {
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bool ret = true;
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dwgBuffer dataBuf(objData.get(), uncompSize, &decoder);
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ret = dwgReader::readDwgObjects(intfa, &dataBuf);
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return ret;
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}
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// bool readDwgEntity(objHandle& obj, DRW_Interface& intfa){
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// bool ret = true;
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// return ret;
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// }
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protected:
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std::unique_ptr<duint8[]> objData;
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duint64 uncompSize;
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private:
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void genMagicNumber();
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// dwgBuffer* bufObj;
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void parseSysPage(duint8 *decompSec, duint32 decompSize); //called: Section page map: 0x41630e3b
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bool parseDataPage(const dwgSectionInfo &si/*, duint8 *dData*/); //called ???: Section map: 0x4163003b
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duint32 checksum(duint32 seed, duint8* data, duint32 sz);
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private:
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duint32 securityFlags;
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};
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#endif // DWGREADER18_H
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