151 lines
3.8 KiB
C++
151 lines
3.8 KiB
C++
/*
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Copyright 2021 Grégory Soutadé
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This file is part of uPDFParser.
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uPDFParser is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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uPDFParser is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with uPDFParser. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _UPDFOBJECT_HPP_
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#define _UPDFOBJECT_HPP_
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#include "uPDFTypes.h"
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namespace uPDFParser
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{
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/**
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* @brief PDF Object
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*/
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class Object
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{
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public:
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Object():
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_objectId(0), _generationNumber(0),
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offset(0), _isNew(false), indirectOffset(0)
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{}
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/**
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* @brief Object constructor
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*
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* @param objectId Object ID
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* @param generationNumber Object generation number
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* @param offset Offset of object in current PDF file
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* @param isNew false if object has been read from file,
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* true if it has been created or updated
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* @param indirectOffset Object is indirect
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*/
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Object(int objectId, int generationNumber, uint64_t offset, bool isNew=false,
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off_t indirectOffset=0):
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_objectId(objectId), _generationNumber(generationNumber),
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offset(offset), _isNew(isNew), indirectOffset(indirectOffset)
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{}
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~Object()
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{
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std::vector<DataType*>::iterator it;
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for(it=_data.begin(); it!=_data.end(); it++)
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delete *it;
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}
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Object(const Object& other)
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{
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_objectId = other._objectId;
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_generationNumber = other._generationNumber;
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offset = other.offset;
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indirectOffset = other.indirectOffset;
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_isNew = true;
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std::vector<DataType*>::const_iterator it;
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for(it=other._data.begin(); it!=other._data.end(); it++)
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_data.push_back((*it)->clone());
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const std::map<std::string, DataType*> _dict = ((Dictionary)other._dictionary).value();
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std::map<std::string, DataType*>& _myDict = _dictionary.value();
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std::map<std::string, DataType*>::const_iterator it2;
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for(it2=_dict.begin(); it2!=_dict.end(); it2++)
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_myDict[it2->first] = it2->second->clone();
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}
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/**
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* @brief Clone current object (call copy constructor)
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*/
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Object* clone() { return new Object(*this); }
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/**
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* @brief Return internal dictionary
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*/
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Dictionary& dictionary() {return _dictionary;}
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/**
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* @brief Return vector of data contained into object
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*/
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std::vector<DataType*>& data() {return _data;}
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/**
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* @brief Object string representation
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*/
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std::string str();
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/**
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* @brief Set object as indirect if offset != 0 or not indirect if offset == 0
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*/
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void setIndirectOffset(off_t offset) {indirectOffset = offset;}
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/**
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* @brief is object indirect (indirectOffset != 0)
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*/
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bool isIndirect() {return indirectOffset != 0;}
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/**
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* @brief Get dictionary value
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*/
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DataType*& operator[](const std::string& key) { return _dictionary.value()[key]; }
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/**
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* @brief Check for key in object's dictionary
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*/
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bool hasKey(const std::string& key) { return _dictionary.value().count(key)?true:false; }
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/**
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* @brief is object new (or not updated) ?
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*/
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bool isNew() { return _isNew; }
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/**
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* @brief Mark object as updated
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*/
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void update(void) { _isNew = true; }
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/**
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* @brief Return object's id
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*/
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int objectId() { return _objectId; }
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/**
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* @brief Return object's generation number
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*/
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int generationNumber() { return _generationNumber; }
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private:
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int _objectId;
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int _generationNumber;
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off_t offset;
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bool _isNew;
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off_t indirectOffset;
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Dictionary _dictionary;
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std::vector<DataType*> _data;
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};
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}
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#endif
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