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fixed up copyrights, some small progress on new adaptor category choice semantics

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[SVN r20047]
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Dave Abrahams
2003-09-14 02:17:41 +00:00
parent abf8390020
commit cbeb7f0632
24 changed files with 253 additions and 167 deletions
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61
doc/iterator_adaptor.html
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@ -3,13 +3,13 @@
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<title>Iterator Adaptor</title>
<meta name="author" content="David Abrahams, Jeremy Siek, Thomas Witt" />
<meta name="organization" content="Boost Consulting, Indiana University Open Systems Lab, University of Hanover Institute for Transport Railway Operation and Construction" />
<meta name="date" content="2003-08-05" />
<meta name="copyright" content="Copyright Dave Abrahams, Jeremy Siek, and Thomas Witt 2003. All rights reserved" />
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<meta name="copyright" content="Copyright David Abrahams, Jeremy Siek, and Thomas Witt 2003. All rights reserved" />
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<div class="document" id="iterator-adaptor">
@ -29,7 +29,7 @@ Railway Operation and Construction</a></td></tr>
<tr><th class="docinfo-name">Date:</th>
<td>2003-08-05</td></tr>
<tr><th class="docinfo-name">Copyright:</th>
<td>Copyright Dave Abrahams, Jeremy Siek, and Thomas Witt 2003. All rights reserved</td></tr>
<td>Copyright David Abrahams, Jeremy Siek, and Thomas Witt 2003. All rights reserved</td></tr>
</tbody>
</table>
<table class="field-list" frame="void" rules="none">
@ -146,15 +146,15 @@ class iterator_adaptor
<div class="section" id="iterator-adaptor-requirements">
<h2><a class="toc-backref" href="#id5" name="iterator-adaptor-requirements"><tt class="literal"><span class="pre">iterator_adaptor</span></tt> requirements</a></h2>
<p>The <tt class="literal"><span class="pre">Derived</span></tt> template parameter must be a derived class of
<tt class="literal"><span class="pre">iterator_adaptor</span></tt>. The <tt class="literal"><span class="pre">Base</span></tt> type must implement the expressions
involving <tt class="literal"><span class="pre">m_iterator</span></tt> in the specifications of those private member
functions of <tt class="literal"><span class="pre">iterator_adaptor</span></tt> that are not redefined by the
<tt class="literal"><span class="pre">Derived</span></tt> class and that are needed to model the concept
corresponding to the chosen <tt class="literal"><span class="pre">Category</span></tt> according to the requirements
of <tt class="literal"><span class="pre">iterator_facade</span></tt>. The rest of the template parameters specify
the types for the member typedefs in <tt class="literal"><span class="pre">iterator_facade</span></tt>. The
following pseudo-code specifies the traits types for
<tt class="literal"><span class="pre">iterator_adaptor</span></tt>.</p>
<tt class="literal"><span class="pre">iterator_adaptor</span></tt>. The <tt class="literal"><span class="pre">Base</span></tt> type must implement the
expressions involving <tt class="literal"><span class="pre">m_iterator</span></tt> in the specifications of those
private member functions of <tt class="literal"><span class="pre">iterator_adaptor</span></tt> that are not
redefined by the <tt class="literal"><span class="pre">Derived</span></tt> class and that are needed to model the
concept corresponding to the <tt class="literal"><span class="pre">iterator_adaptor</span></tt>'s <tt class="literal"><span class="pre">category</span></tt>
typedef according to the requirements of <tt class="literal"><span class="pre">iterator_facade</span></tt>. The
rest of the template parameters specify the types for the member
typedefs in <tt class="literal"><span class="pre">iterator_facade</span></tt>. The following pseudo-code
specifies the traits types for <tt class="literal"><span class="pre">iterator_adaptor</span></tt>.</p>
<pre class="literal-block">
if (Value == use_default)
value_type = iterator_traits&lt;Base&gt;::value_type;
@ -176,26 +176,29 @@ else
if (Category == use_default)
iterator_category = iterator_tag&lt;
access_category&lt;
iterator&lt; iterator_traits&lt;Base&gt;::iterator_category,
Value,
Distance,
Value*,
Reference &gt; &gt;,
traversal_category&lt;
iterator&lt; iterator_traits&lt;Base&gt;::iterator_category,
Value,
Distance,
Value*,
Reference &gt; &gt;
access_category&lt; Base &gt;,
traversal_category&lt; Base &gt;
&gt;
else if (Category is an access tag)
iterator_category = iterator_tag&lt;
Category
...
else if (Category is a traversal tag)
...
else
iterator_category = Category;
// Actually the above is wrong. See the use of
// access_category_tag and
// new_category_to_access/iter_category_to_access.
</pre>
<!-- Replaced with new semantics - -thw
if (Category == use_default)
iterator_category = iterator_traits<Base>::iterator_category;
else
iterator_category = Category; -->
iterator_category = Category;
Fix this up!! -->
</div>
<div class="section" id="iterator-adaptor-public-operations">
<h2><a class="toc-backref" href="#id6" name="iterator-adaptor-public-operations"><tt class="literal"><span class="pre">iterator_adaptor</span></tt> public operations</a></h2>
@ -322,5 +325,11 @@ typename iterator_adaptor::difference_type distance_to(
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