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-rw-r--r--reader/src/formats/pdb/PdbReader.cpp108
1 files changed, 108 insertions, 0 deletions
diff --git a/reader/src/formats/pdb/PdbReader.cpp b/reader/src/formats/pdb/PdbReader.cpp
new file mode 100644
index 0000000..54dc654
--- /dev/null
+++ b/reader/src/formats/pdb/PdbReader.cpp
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2004-2012 Geometer Plus <contact@geometerplus.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <ZLFile.h>
+
+#include "PdbReader.h"
+
+void PdbUtil::readUnsignedShort(ZLInputStream &stream, unsigned short &N) {
+ unsigned char data[2];
+ stream.read((char*)data, 2);
+ N = (((unsigned short)data[0]) << 8) + data[1];
+}
+
+void PdbUtil::readUnsignedLongBE(ZLInputStream &stream, unsigned long &N) {
+ unsigned char data[4];
+ stream.read((char*)data, 4);
+ N = (((unsigned long)data[0]) << 24) +
+ (((unsigned long)data[1]) << 16) +
+ (((unsigned long)data[2]) << 8) +
+ (unsigned long)data[3];
+}
+
+void PdbUtil::readUnsignedLongLE(ZLInputStream &stream, unsigned long &N) {
+ unsigned char data[4];
+ stream.read((char*)data, 4);
+ N = (((unsigned long)data[3]) << 24) +
+ (((unsigned long)data[2]) << 16) +
+ (((unsigned long)data[1]) << 8) +
+ (unsigned long)data[0];
+}
+
+bool PdbHeader::read(shared_ptr<ZLInputStream> stream) {
+ const std::size_t startOffset = stream->offset();
+ DocName.erase();
+ DocName.append(32, '\0');
+ stream->read((char*)DocName.data(), 32); // stream offset: +32
+
+ PdbUtil::readUnsignedShort(*stream, Flags); // stream offset: +34
+
+ stream->seek(26, false); // stream offset: +60
+
+ Id.erase();
+ Id.append(8, '\0');
+ stream->read((char*)Id.data(), 8); // stream offset: +68
+
+ stream->seek(8, false); // stream offset: +76
+ Offsets.clear();
+ unsigned short numRecords;
+ PdbUtil::readUnsignedShort(*stream, numRecords); // stream offset: +78
+ Offsets.reserve(numRecords);
+
+ for (int i = 0; i < numRecords; ++i) { // stream offset: +78 + 8 * records number
+ unsigned long recordOffset;
+ PdbUtil::readUnsignedLongBE(*stream, recordOffset);
+ Offsets.push_back(recordOffset);
+ stream->seek(4, false);
+ }
+ return stream->offset() == startOffset + 78 + 8 * numRecords;
+}
+
+/*bool PdbRecord0::read(shared_ptr<ZLInputStream> stream) {
+ std::size_t startOffset = stream->offset();
+
+ PdbUtil::readUnsignedShort(*stream, CompressionType);
+ PdbUtil::readUnsignedShort(*stream, Spare);
+ PdbUtil::readUnsignedLongBE(*stream, TextLength);
+ PdbUtil::readUnsignedShort(*stream, TextRecords);
+ PdbUtil::readUnsignedShort(*stream, MaxRecordSize);
+ PdbUtil::readUnsignedShort(*stream, NontextOffset);
+ PdbUtil::readUnsignedShort(*stream, NontextOffset2);
+
+ PdbUtil::readUnsignedLongBE(*stream, MobipocketID);
+ PdbUtil::readUnsignedLongBE(*stream, MobipocketHeaderSize);
+ PdbUtil::readUnsignedLongBE(*stream, Unknown24);
+ PdbUtil::readUnsignedShort(*stream, FootnoteRecs);
+ PdbUtil::readUnsignedShort(*stream, SidebarRecs);
+
+ PdbUtil::readUnsignedShort(*stream, BookmarkOffset);
+ PdbUtil::readUnsignedShort(*stream, Unknown34);
+ PdbUtil::readUnsignedShort(*stream, NontextOffset3);
+ PdbUtil::readUnsignedShort(*stream, Unknown38);
+ PdbUtil::readUnsignedShort(*stream, ImagedataOffset);
+ PdbUtil::readUnsignedShort(*stream, ImagedataOffset2);
+ PdbUtil::readUnsignedShort(*stream, MetadataOffset);
+ PdbUtil::readUnsignedShort(*stream, MetadataOffset2);
+ PdbUtil::readUnsignedShort(*stream, FootnoteOffset);
+ PdbUtil::readUnsignedShort(*stream, SidebarOffset);
+ PdbUtil::readUnsignedShort(*stream, LastDataOffset);
+ PdbUtil::readUnsignedShort(*stream, Unknown54);
+
+ return stream->offset() == startOffset + 56;
+}*/