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71 lines
2.2 KiB
71 lines
2.2 KiB
// ==================================================
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// Copyright 2013.
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// Siemens Product Lifecycle Management Software Inc.
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// All Rights Reserved.
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// ==================================================
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/**
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@file
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This file contains useful utility functions.
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*/
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#ifndef TEAMCENTER_BASE_UTILS_TC_BASE_UTILS_HXX
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#define TEAMCENTER_BASE_UTILS_TC_BASE_UTILS_HXX
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#include <algorithm>
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#include <iterator>
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#include <base_utils/libbase_utils_exports.h>
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namespace Teamcenter
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{
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namespace Util
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{
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/**
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Copies all elements in the @c Container into the back of the @c Vector.
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<br/>The container can be any of Standard Template Library (STL)-derived container that stores a collection of other objects
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and provides access either directly or through iterators.
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@code
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//tags1, tags2, tags3 are TagVector
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TagVector allTags;
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Util::copyBack( tags1, allTags );
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Util::copyBack( tags2, allTags );
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Util::copyBack( tags3, allTags );
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//allTags now contains tags1 + tags2 + tags3
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@endcode
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*/
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template< typename Container, typename Vector >
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void copyBack(
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const Container& container, /**< (I) The container to copy from */
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Vector& vector /**< (O) The vector to copy to */
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)
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{
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vector.reserve( vector.size() + container.size() );
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std::copy( container.begin(), container.end(), std::back_inserter( vector ) );
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}
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/**
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Converts from one type to another using a static_cast call.
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<br/>This template function is of special interest to correct conversion issues from "unsigned_int64" to "int",
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which arise with Visual Studio 2013 (error C4244 - "'=' : conversion from 'unsigned __int64' to 'int'").
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<br/>The following code would generate a compilation error C4244 with Visual Studio 2013, because std::vector - size() returns the size of an array using the "unsigned __int64" type.
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@code
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//Compilation error:
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//*n_values = pvmValues.size();
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*n_values = Util::array_length<int>( pvmValues.size() );
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@endcode
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*/
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template< typename T >
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T array_length( size_t s )
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{
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return static_cast<T>(s);
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}
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}
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}
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#include <base_utils/libbase_utils_undef.h>
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#endif
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