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diff --git a/fbreader/src/formats/pdf/PdfObject.h b/fbreader/src/formats/pdf/PdfObject.h
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+++ b/fbreader/src/formats/pdf/PdfObject.h
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+/*
+ * Copyright (C) 2004-2012 Geometer Plus <[email protected]>
+ *
+ * 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.
+ */
+
+#ifndef __PDFOBJECT_H__
+#define __PDFOBJECT_H__
+
+#include <string>
+#include <vector>
+#include <map>
+
+#include <shared_ptr.h>
+
+class ZLInputStream;
+
+class PdfObject {
+
+public:
+	static shared_ptr<PdfObject> readObject(ZLInputStream &stream, char &ch);
+	static void readToken(ZLInputStream &stream, std::string &buffer, char &ch);
+
+protected:
+	static void skipWhiteSpaces(ZLInputStream &stream, char &ch);
+
+public:
+	enum Type {
+		BOOLEAN,
+		INTEGER_NUMBER,
+		REAL_NUMBER,
+		STRING,
+		NAME,
+		ARRAY,
+		DICTIONARY,
+		STREAM,
+		NIL,
+		REFERENCE
+	};
+
+	virtual ~PdfObject();
+
+	virtual Type type() const = 0;
+};
+
+class PdfBooleanObject : public PdfObject {
+
+public:
+	static shared_ptr<PdfObject> TRUE();
+	static shared_ptr<PdfObject> FALSE();
+
+private:
+	PdfBooleanObject(bool value);
+
+public:
+	bool value() const;
+
+private:
+	Type type() const;
+
+private:
+	const bool myValue;
+};
+
+class PdfIntegerObject : public PdfObject {
+
+public:
+	static shared_ptr<PdfObject> integerObject(int value);
+
+private:
+	PdfIntegerObject(int value);
+
+public:
+	int value() const;
+
+private:
+	Type type() const;
+
+private:
+	const int myValue;
+};
+
+class PdfStringObject : public PdfObject {
+
+private:
+	PdfStringObject(const std::string &value);
+
+private:
+	Type type() const;
+
+private:
+	std::string myValue;
+
+friend shared_ptr<PdfObject> PdfObject::readObject(ZLInputStream &stream, char &ch);
+};
+
+class PdfNameObject : public PdfObject {
+
+public:
+	static shared_ptr<PdfObject> nameObject(const std::string &id);
+
+private:
+	static std::map<std::string,shared_ptr<PdfObject> > ourObjectMap;
+
+private:
+	PdfNameObject();
+
+private:
+	Type type() const;
+};
+
+class PdfDictionaryObject : public PdfObject {
+
+private:
+	PdfDictionaryObject();
+	void setObject(shared_ptr<PdfObject> id, shared_ptr<PdfObject> object);
+
+public:
+	shared_ptr<PdfObject> operator [] (shared_ptr<PdfObject> id) const;
+	shared_ptr<PdfObject> operator [] (const std::string &id) const;
+
+private:
+	Type type() const;
+
+private:
+	std::map<shared_ptr<PdfObject>,shared_ptr<PdfObject> > myMap;
+
+friend shared_ptr<PdfObject> PdfObject::readObject(ZLInputStream &stream, char &ch);
+};
+
+class PdfStreamObject : public PdfObject {
+
+private:
+	PdfStreamObject(const PdfDictionaryObject &dictionary, ZLInputStream &dataStream);
+
+private:
+	Type type() const;
+
+private:
+	std::string myData;
+	/*
+	enum EncodingType {
+		UNKNOWN,
+		FLATE,
+	};
+	std::vector<EncodingType> myFilters;
+	*/
+
+friend shared_ptr<PdfObject> PdfObject::readObject(ZLInputStream &stream, char &ch);
+};
+
+class PdfArrayObject : public PdfObject {
+
+private:
+	PdfArrayObject();
+	void addObject(shared_ptr<PdfObject> object);
+	shared_ptr<PdfObject> popLast();
+
+public:
+	int size() const;
+	shared_ptr<PdfObject> operator [] (int index) const;
+
+private:
+	Type type() const;
+
+private:
+	std::vector<shared_ptr<PdfObject> > myVector;
+
+friend shared_ptr<PdfObject> PdfObject::readObject(ZLInputStream &stream, char &ch);
+};
+
+class PdfObjectReference : public PdfObject {
+
+public:
+	PdfObjectReference(int number, int generation);
+
+	int number() const;
+	int generation() const;
+
+private:
+	Type type() const;
+
+private:
+	const int myNumber;
+	const int myGeneration;
+};
+
+#endif /* __PDFOBJECT_H__ */