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89 lines
2.2 KiB
89 lines
2.2 KiB
///////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1998, Microsoft Corp. All rights reserved.
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//
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// FILE
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//
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// propbag.h
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//
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// SYNOPSIS
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//
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// This file declares the classes PropertyValue, Property, and PropertyBag.
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//
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// MODIFICATION HISTORY
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//
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// 02/20/1998 Original version.
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// 03/03/1998 Changed PropertyValue to a vector.
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//
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _PROPBAG_H_
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#define _PROPBAG_H_
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#include <map>
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#include <vector>
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///////////////////////////////////////////////////////////////////////////////
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//
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// CLASS
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//
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// PropertyValue
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//
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// DESCRIPTION
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//
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// This class encapsulates the value portion of a multi-valued property.
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//
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///////////////////////////////////////////////////////////////////////////////
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class PropertyValue : public std::vector<_variant_t>
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{
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public:
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//////////
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// Various constructors.
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//////////
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PropertyValue() { }
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PropertyValue(const VARIANT* v);
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PropertyValue(const PropertyValue& val) : _Myt(val) { }
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// Append a new value to the existing values.
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void append(const VARIANT* v);
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// Get all the values.
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void get(VARIANT* v) const;
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// Replace all the values.
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void update(const VARIANT* v)
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{
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swap(PropertyValue(v));
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}
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};
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///////////////////////////////////////////////////////////////////////////////
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//
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// CLASS
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//
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// PropertyBag
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//
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// DESCRIPTION
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//
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// This class implements a generic property bag consisting of (name, value)
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// pairs. It has a special feature in that it supports multi-valued
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// attributes. These are put/get as a SafeArray of VARIANT's.
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//
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///////////////////////////////////////////////////////////////////////////////
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class PropertyBag : public std::map<_bstr_t, PropertyValue>
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{
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public:
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using _Myt::insert;
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void appendValue(const _bstr_t& name, const VARIANT* value);
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bool getValue(const _bstr_t& name, VARIANT* value) const;
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void updateValue(const _bstr_t& name, const VARIANT* value);
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};
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typedef PropertyBag::value_type Property;
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#endif // _PROPBAG_H_
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