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be6f5a785e
git-svn-id: svn://fileserver/activex/AVS/Sources/TeamlabOffice/trunk/ServerComponents@63540 954022d7-b5bf-4e40-9824-e11837661b57
51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
#pragma once
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#include "BaseObject.h"
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#include "BinProcessor.h"
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namespace XLS
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{;
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class CFStreamCacheReader;
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// Logical representation of composite objects
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//
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// Another new function is to buffer objects, that had to be read but was absent in the bin stream.
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// The buffered records shall be checked for existence later.
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// This feature is specially for files saved in OpenOffice Calc those don't conform to the Microsoft specification
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// Call them "wanted objects"
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//
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class CompositeObject : public BaseObject
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{
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public:
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CompositeObject();
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~CompositeObject();
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//virtual const bool doSomething(BinProcessor& proc);
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virtual const bool read(CFStreamCacheReader& reader, BaseObject* parent, const bool mandatory); // Read self and children
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//virtual const bool write(BinWriterProcessor& proc, const bool is_mandatory); // Write self and children
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virtual const bool loadContent(BinProcessor& proc) = 0;
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virtual const bool loadContentRead(BinReaderProcessor& proc);
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static const ElementType type = typeCompositeObject;
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virtual ElementType get_type() { return type; }
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};
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// This class helps to process parenthesis in ABNF specification
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class ABNFParenthesis : public CompositeObject
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{
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public:
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ABNFParenthesis(){};
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virtual const bool read(CFStreamCacheReader& reader, BaseObject* parent, const bool is_mandatory);
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static const ElementType type = typeABNFParenthesis;
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};
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} // namespace XLS
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