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<?xml version="1.0"?>
<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.4//EN" "http://www.gnustep.org/gsdoc-1_0_4.dtd">
<gsdoc base="NSPointerArray" up="Base">
  <head>
    <title>NSPointerArray class documentation</title>
    <author name="Richard Frith-Macdonald">
      <email address="rfm@gnu.org">
        rfm@gnu.org
      </email>
    </author>
    <copy>2009 Free Software Foundation, Inc.</copy>
  </head>
  <body>
    <front><contents /></front>
    <chapter>
      <heading>
        Software documentation for the NSPointerArray class
      </heading>
      <class name="NSPointerArray" super="NSObject" ovadd="10.5.0">
        <declared>Foundation/NSPointerArray.h</declared>
        <conform>NSCopying</conform>
        <conform>NSCoding</conform>
        <desc>
          An NSPointerArray acts like a standard mutable array
          except that it can contain <code>nil</code> and even
          non-object values. <br /> The count can also be
          set causing the array to shrink (discarding items) or
          grow (adding nil/zero items).
        </desc>
        <method type="id" factory="yes" ovadd="10.5.0">
          <sel>pointerArrayWithOptions:</sel>
          <arg type="NSPointerFunctionsOptions">options</arg>
          <desc>
            Allocate an instance, initialise using
            initWithOptions: and return it
            autoreleased.
          </desc>
        </method>
        <method type="id" factory="yes" ovadd="10.5.0">
          <sel>pointerArrayWithPointerFunctions:</sel>
          <arg type="NSPointerFunctions*">functions</arg>
          <desc>
            Allocate an instance, initialise using
            initWithPointerFunctions: and
            return it autoreleased.
          </desc>
        </method>
        <method type="id" factory="yes" ovadd="10.5.0">
          <sel>strongObjectsPointerArray</sel>
          <desc>
            Returns a new pointer array for storing strong
            (retained) references to objects.
          </desc>
        </method>
        <method type="id" factory="yes" ovadd="10.5.0">
          <sel>weakObjectsPointerArray</sel>
          <desc>
            Returns a new pointer array for storing zeroing
            weak references to objects.
          </desc>
        </method>
        <method type="void" ovadd="10.5.0">
          <sel>addPointer:</sel>
          <arg type="void*">pointer</arg>
          <desc>
            Adds an item at the end of the array.
          </desc>
        </method>
        <method type="void" ovadd="10.5.0">
          <sel>compact</sel>
          <desc>
            Removes all nil/zero items from the array.
          </desc>
        </method>
        <method type="NSUInteger" ovadd="10.5.0">
          <sel>count</sel>
          <desc>
            Returns the number of items in the array.
          </desc>
        </method>
        <method type="id" ovadd="10.5.0">
          <sel>initWithOptions:</sel>
          <arg type="NSPointerFunctionsOptions">options</arg>
          <desc>
            Initialises the receiver with the specified
            <var>options</var>.
          </desc>
        </method>
        <method type="id" ovadd="10.5.0">
          <sel>initWithPointerFunctions:</sel>
          <arg type="NSPointerFunctions*">functions</arg>
          <desc>
            Initialises the receiver using the supplied
            object.
          </desc>
        </method>
        <method type="void" ovadd="10.5.0">
          <sel>insertPointer:</sel>
          <arg type="void*">pointer</arg>
          <sel>atIndex:</sel>
          <arg type="NSUInteger">index</arg>
          <desc>
            Inserts an item at the specified <var>index</var>
            causing all higher indexed items to be adjusted
            upwards. <br /> WARNING... the Apple documented
            (and implemented in MacOS-X 10.5) behavior is to raise
            an exception if <var>index</var> is the same as the
            count of items in the array. This is insane... for
            arrays, data and strings you can insert at the end
            of an object to append to it, so the behavior of this
            class in MacOS is inconsistent and must be considered
            buggy.
          </desc>
        </method>
        <method type="void*" ovadd="10.5.0">
          <sel>pointerAtIndex:</sel>
          <arg type="NSUInteger">index</arg>
          <desc>
            Returns the item at the given <var>index</var> or
            raises an exception if <var>index</var> is out of
            range.
          </desc>
        </method>
        <method type="NSPointerFunctions*" ovadd="10.5.0">
          <sel>pointerFunctions</sel>
          <desc>
            Returns an autorelease NSPointerFunctions instance
            giving the functions in use by the receiver.
          </desc>
        </method>
        <method type="void" ovadd="10.5.0">
          <sel>removePointerAtIndex:</sel>
          <arg type="NSUInteger">index</arg>
          <desc>
            Removes the item at the specified <var>index</var>,
            adjusting the positions of all higher indexed
            items.
          </desc>
        </method>
        <method type="void" ovadd="10.5.0">
          <sel>replacePointerAtIndex:</sel>
          <arg type="NSUInteger">index</arg>
          <sel>withPointer:</sel>
          <arg type="void*">item</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="10.5.0">
          <sel>setCount:</sel>
          <arg type="NSUInteger">count</arg>
          <desc>
            Sets the number of items in the receiver. Adds
            nil/zero items to pad the end of the array, or
            removes extraneous items from the end.
          </desc>
        </method>
      </class>
    </chapter>
    <chapter>
      <heading>
        Software documentation for the
        NSPointerArray(NSArrayConveniences)
        category
      </heading>
      <category name="NSArrayConveniences" class="NSPointerArray" ovadd="10.5.0">
        <declared>Foundation/NSPointerArray.h</declared>
        <desc>
          <em>Description forthcoming.</em>
        </desc>
        <method type="id" factory="yes" ovadd="10.5.0">
          <sel>pointerArrayWithStrongObjects</sel>
          <desc>
            Creates an instance configured to hold objects and
            prevent them from being garbage collected.
          </desc>
        </method>
        <method type="id" factory="yes" ovadd="10.5.0">
          <sel>pointerArrayWithWeakObjects</sel>
          <desc>
            Creates an instance configured to hold objects,
            allowing them to be garbage collected and replaced
            by <code>nil</code> if/when they are collected.
          </desc>
        </method>
        <method type="NSArray*" ovadd="10.5.0">
          <sel>allObjects</sel>
          <desc>
            Returns an array containing all the non-nil objects
            from the receiver.
          </desc>
        </method>
      </category>
    </chapter>
  </body>
</gsdoc>

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