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<b>class c4_View</b>
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A collection of data rows.<br><br>
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<font face=Helvetica size=-1><b>Public members</b></font>
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<b>c4_View</b> (<A HREF="c4_Sequence.html" >c4_Sequence</A>* implementation_ =0);
<font face=Helvetica size=-1><br>
Construct a view based on a sequence</font>
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<b>c4_View</b> (<A HREF="c4_CustomViewer.html" >c4_CustomViewer</A>* viewer_);
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Construct a view based on a custom viewer</font>
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<b>c4_View</b> (const <A HREF="c4_View.html" >c4_View</A>& view_);
<font face=Helvetica size=-1><br>
Construct an empty view with one propertyConstruct a view from another one</font>
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<b>c4_View</b> (const <A HREF="c4_View.html" >c4_View</A>& view_);
<font face=Helvetica size=-1><br>
Construct an empty view with one propertyConstruct a view from another one</font>
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<b>~c4_View</b> ();
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Destructor, decrements reference count</font>
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<A HREF="c4_View.html" >c4_View</A>&
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<b>operator= </b> (const <A HREF="c4_View.html" >c4_View</A>& source_);
<font face=Helvetica size=-1><br>
Make this view the same as another one</font>
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int
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<b>GetSize</b> () <i>const</i>;
<font face=Helvetica size=-1><br>
Return the number of entries</font>
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int
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<b>GetUpperBound</b> () <i>const</i>;
<font face=Helvetica size=-1><br>
Return highest index (size - 1)</font>
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void
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<b>SetSize</b> (int newSize_, int growBy_ =-1);
<a href="c4_View_info.html#c4_View_SetSize_intint__" target="k-info">
<font face=Helvetica size=-1><br>
Change the size of this view</font></a>
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void
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<b>RemoveAll</b> ();
<font face=Helvetica size=-1><br>
Remove all entries (sets size to zero)</font>
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<A HREF="c4_RowRef.html" >c4_RowRef</A>
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<b>GetAt</b> (int index_) <i>const</i>;
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Return a reference to specified entry</font>
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<A HREF="c4_RowRef.html" >c4_RowRef</A>
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<b>operator[]</b> (int index_) <i>const</i>;
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Shorthand for <A HREF="c4_View.html" >c4_View</A>::GetAt</font>
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void
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<b>SetAt</b> (int index_, const <A HREF="c4_RowRef.html" >c4_RowRef</A>& row_);
<a href="c4_View_info.html#c4_View_SetAt_intconst__" target="k-info">
<font face=Helvetica size=-1><br>
Change the value of the specified entry</font></a>
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<A HREF="c4_RowRef.html" >c4_RowRef</A>
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<b>ElementAt</b> (int index_);
<font face=Helvetica size=-1><br>
Element access, for use as RHS or LHS</font>
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bool
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<b>GetItem</b> (int row_, int col_, <A HREF="c4_Bytes.html" >c4_Bytes</A>& buf_) <i>const</i>;
<a href="c4_View_info.html#c4_View_GetItem_intintc4_Bytes___const" target="k-info">
<font face=Helvetica size=-1><br>
Get a single data item in a generic way</font></a>
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void
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<b>SetAtGrow</b> (int index_, const <A HREF="c4_RowRef.html" >c4_RowRef</A>& row_);
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Set an entry, growing the view if needed</font>
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int
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<b>Add</b> (const <A HREF="c4_RowRef.html" >c4_RowRef</A>& row_);
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Add a new entry, same as "SetAtGrow(GetSize(), ...)".</font>
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void
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<b>InsertAt</b> (int index_, const <A HREF="c4_RowRef.html" >c4_RowRef</A>& row_, int count_ =1);
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Insert one or more copies of an entry</font>
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void
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<b>RemoveAt</b> (int index_, int count_ =1);
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Remove entries starting at the given index</font>
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void
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<b>InsertAt</b> (int index_, const <A HREF="c4_View.html" >c4_View</A>& view_);
<font face=Helvetica size=-1><br>
Insert a copy of the contents of another view</font>
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bool
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<b>RelocateRows</b> (int from_, int count_, <A HREF="c4_View.html" >c4_View</A>& dest_, int pos_);
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Move attached rows to somewhere else in same storage</font>
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int
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<b>NumProperties</b> () <i>const</i>;
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Return the number of properties</font>
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const <A HREF="c4_Property.html" >c4_Property</A>&
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<b>NthProperty</b> (int column_) <i>const</i>;
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Return the id of the N-th property</font>
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int
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<b>FindProperty</b> (int id_);
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Find the index of a property, given its id</font>
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int
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<b>FindPropIndexByName</b> (const char* name_) <i>const</i>;
<font face=Helvetica size=-1><br>
Find the index of a property, given its name</font>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Structure</b> () <i>const</i>;
<font face=Helvetica size=-1><br>
Return a view which describes the structure of this view</font>
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const char*
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<b>Describe</b> () <i>const</i>;
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Return a description of the structure</font>
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static const char*
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<b>Description</b> (const <A HREF="c4_View.html" >c4_View</A>& view_);
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Return a homogenized description of this view</font>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Duplicate</b> (bool deepCopy_ =false) <i>const</i>;
<font face=Helvetica size=-1><br>
Construct a new view with a copy of the data</font>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Clone</b> () <i>const</i>;
<font face=Helvetica size=-1><br>
Construct a new view with the same structure but no data</font>
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int
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<b>AddProperty</b> (const <A HREF="c4_Property.html" >c4_Property</A>& property_);
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Adds a property column to a view if not already present</font>
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<A HREF="c4_View.html" >c4_View</A>
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<b>operator, </b> (const <A HREF="c4_Property.html" >c4_Property</A>& property_) <i>const</i>;
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Return a view like the first, with a property appended to it</font>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Sort</b> () <i>const</i>;
<font face=Helvetica size=-1><br>
Create view with all rows in natural (property-wise) order</font>
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<A HREF="c4_View.html" >c4_View</A>
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<b>SortOn</b> (const <A HREF="c4_View.html" >c4_View</A>& order_) <i>const</i>;
<font face=Helvetica size=-1><br>
Create view sorted according to the specified properties</font>
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<A HREF="c4_View.html" >c4_View</A>
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<b>SortOnReverse</b> (const <A HREF="c4_View.html" >c4_View</A>& order_, const <A HREF="c4_View.html" >c4_View</A>& orderDown_) <i>const</i>;
<font face=Helvetica size=-1><br>
Create sorted view, with some properties sorted in reverse</font>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Select</b> (const <A HREF="c4_RowRef.html" >c4_RowRef</A>& criterium_) <i>const</i>;
<font face=Helvetica size=-1><br>
Create view with rows matching the specified value</font>
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<A HREF="c4_View.html" >c4_View</A>
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<b>SelectRange</b> (const <A HREF="c4_RowRef.html" >c4_RowRef</A>& rowLow_, const <A HREF="c4_RowRef.html" >c4_RowRef</A>& rowHigh_) <i>const</i>;
<font face=Helvetica size=-1><br>
Create view with row values within the specified range</font>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Project</b> (const <A HREF="c4_View.html" >c4_View</A>& order_) <i>const</i>;
<font face=Helvetica size=-1><br>
Create view with the specified property arrangement</font>
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<A HREF="c4_View.html" >c4_View</A>
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<b>ProjectWithout</b> (const <A HREF="c4_View.html" >c4_View</A>& order_) <i>const</i>;
<font face=Helvetica size=-1><br>
Create derived view with some properties omitted</font>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Slice</b> (int start_, int limit_ =-1, int step_ =1) <i>const</i>;
<a href="c4_View_info.html#c4_View_Slice_intintint__const" target="k-info">
<font face=Helvetica size=-1><br>
Create view which is a segment/slice (default is up to end)</font></a>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Product</b> (const <A HREF="c4_View.html" >c4_View</A>& view_) <i>const</i>;
<a href="c4_View_info.html#c4_View_Product_const__const" target="k-info">
<font face=Helvetica size=-1><br>
Create view which is the cartesian product with given view</font></a>
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<A HREF="c4_View.html" >c4_View</A>
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<b>RemapWith</b> (const <A HREF="c4_View.html" >c4_View</A>& order_) <i>const</i>;
<a href="c4_View_info.html#c4_View_RemapWith_const__const" target="k-info">
<font face=Helvetica size=-1><br>
Create view which remaps another given view</font></a>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Pair</b> (const <A HREF="c4_View.html" >c4_View</A>& view_) <i>const</i>;
<a href="c4_View_info.html#c4_View_Pair_const__const" target="k-info">
<font face=Helvetica size=-1><br>
Create view which pairs each row with corresponding row</font></a>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Concat</b> (const <A HREF="c4_View.html" >c4_View</A>& view_) <i>const</i>;
<a href="c4_View_info.html#c4_View_Concat_const__const" target="k-info">
<font face=Helvetica size=-1><br>
Create view with rows from another view appended</font></a>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Rename</b> (const <A HREF="c4_Property.html" >c4_Property</A>& old_, const <A HREF="c4_Property.html" >c4_Property</A>& new_) <i>const</i>;
<font face=Helvetica size=-1><br>
Create view with one property renamed (must be of same type)</font>
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<A HREF="c4_View.html" >c4_View</A>
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<b>GroupBy</b> (const <A HREF="c4_View.html" >c4_View</A>& keys_, const <A HREF="c4_ViewProp.html" >c4_ViewProp</A>& name_) <i>const</i>;
<a href="c4_View_info.html#c4_View_GroupBy_constconst__const" target="k-info">
<font face=Helvetica size=-1><br>
Create view with a subview, grouped by the specified properties</font></a>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Counts</b> (const <A HREF="c4_View.html" >c4_View</A>& keys_, const <A HREF="c4_IntProp.html" >c4_IntProp</A>& name_) <i>const</i>;
<a href="c4_View_info.html#c4_View_Counts_constconst__const" target="k-info">
<font face=Helvetica size=-1><br>
Create view with count of duplicates, when grouped by key</font></a>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Unique</b> () <i>const</i>;
<a href="c4_View_info.html#c4_View_Unique___const" target="k-info">
<font face=Helvetica size=-1><br>
Create view with all duplicate rows omitted</font></a>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Union</b> (const <A HREF="c4_View.html" >c4_View</A>& view_) <i>const</i>;
<a href="c4_View_info.html#c4_View_Union_const__const" target="k-info">
<font face=Helvetica size=-1><br>
Create view which is the set union (assumes no duplicate rows)</font></a>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Intersect</b> (const <A HREF="c4_View.html" >c4_View</A>& view_) <i>const</i>;
<a href="c4_View_info.html#c4_View_Intersect_const__const" target="k-info">
<font face=Helvetica size=-1><br>
Create view with all rows also in the given view (no dups)</font></a>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Different</b> (const <A HREF="c4_View.html" >c4_View</A>& view_) <i>const</i>;
<a href="c4_View_info.html#c4_View_Different_const__const" target="k-info">
<font face=Helvetica size=-1><br>
Create view with all rows not in both views (no dups)</font></a>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Minus</b> (const <A HREF="c4_View.html" >c4_View</A>& view_) <i>const</i>;
<a href="c4_View_info.html#c4_View_Minus_const__const" target="k-info">
<font face=Helvetica size=-1><br>
Create view with all rows not in the given view (no dups)</font></a>
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<A HREF="c4_View.html" >c4_View</A>
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<b>JoinProp</b> (const <A HREF="c4_ViewProp.html" >c4_ViewProp</A>& sub_, bool outer_ =false) <i>const</i>;
<a href="c4_View_info.html#c4_View_JoinProp_constbool__const" target="k-info">
<font face=Helvetica size=-1><br>
Create view with a specific subview expanded, like a join</font></a>
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<A HREF="c4_View.html" >c4_View</A>
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<b>Join</b> (const <A HREF="c4_View.html" >c4_View</A>& keys_, const <A HREF="c4_View.html" >c4_View</A>& view_, bool outer_ =false) <i>const</i>;
<a href="c4_View_info.html#c4_View_Join_constconstbool__const" target="k-info">
<font face=Helvetica size=-1><br>
Create view which is the relational join on the given keys</font></a>
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int
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<b>GetIndexOf</b> (const <A HREF="c4_RowRef.html" >c4_RowRef</A>& row_) <i>const</i>;
<font face=Helvetica size=-1><br>
Return the index of the specified row in this view (or -1)</font>
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int
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<b>Find</b> (const <A HREF="c4_RowRef.html" >c4_RowRef</A>& key_, int start_ =0) <i>const</i>;
<font face=Helvetica size=-1><br>
Find index of the the next entry matching the specified key</font>
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int
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<b>Search</b> (const <A HREF="c4_RowRef.html" >c4_RowRef</A>& key_) <i>const</i>;
<font face=Helvetica size=-1><br>
Search for a key, using the native sort order of the view</font>
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int
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<b>Compare</b> (const <A HREF="c4_View.html" >c4_View</A>& view_) <i>const</i>;
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<font face=Helvetica size=-1><b>Protected members</b></font>
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void
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<b>_IncSeqRef</b> ();
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void
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<b>_DecSeqRef</b> ();
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<font face=Helvetica size=-1><b>Friends</b></font>
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friend bool
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<b>operator==</b> (const <A HREF="c4_View.html" >c4_View</A>& a_, const <A HREF="c4_View.html" >c4_View</A>& b_);
<font face=Helvetica size=-1><br>Return true if the contents of both views are equal</font>
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friend bool
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<b>operator!=</b> (const <A HREF="c4_View.html" >c4_View</A>& a_, const <A HREF="c4_View.html" >c4_View</A>& b_);
<font face=Helvetica size=-1><br>Return true if the contents of both views are not equal</font>
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friend bool
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<b>operator< </b> (const <A HREF="c4_View.html" >c4_View</A>& a_, const <A HREF="c4_View.html" >c4_View</A>& b_);
<font face=Helvetica size=-1><br>True if first view is less than second view</font>
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friend bool
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<b>operator> </b> (const <A HREF="c4_View.html" >c4_View</A>& a_, const <A HREF="c4_View.html" >c4_View</A>& b_);
<font face=Helvetica size=-1><br>True if first view is greater than second view</font>
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friend bool
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<b>operator<=</b> (const <A HREF="c4_View.html" >c4_View</A>& a_, const <A HREF="c4_View.html" >c4_View</A>& b_);
<font face=Helvetica size=-1><br>True if first view is less or equal to second view</font>
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friend bool
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<b>operator>=</b> (const <A HREF="c4_View.html" >c4_View</A>& a_, const <A HREF="c4_View.html" >c4_View</A>& b_);
<font face=Helvetica size=-1><br>True if first view is greater or equal to second view</font>
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friend class
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<b>c4_ViewRef</b>;
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<font face=Helvetica size=-1><b>Header file</b></font>
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"mk4.h" -- Dec 9, 1999
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