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authorPaul Querna <pquerna@apache.org>2005-04-07 04:04:03 +0200
committerPaul Querna <pquerna@apache.org>2005-04-07 04:04:03 +0200
commita19987ca7f151b80c25e1fd6c24e938ca22987f4 (patch)
treec75a8e73d495d5283c997843adee615709ded323 /docs/manual/mod/mod_imagemap.xml
parentFolks appear to be having trouble with multiple arguments to Allow. More (diff)
downloadapache2-a19987ca7f151b80c25e1fd6c24e938ca22987f4.tar.xz
apache2-a19987ca7f151b80c25e1fd6c24e938ca22987f4.zip
rename mod_imap to mod_imagemap.
Broken by this commit: - Win32 Build -- I didn't want to muck with .dsp files. - Netware Build - Same Story as Win32. - Documentation Translations (could get away with direct changes to the module name, but I am not sure) git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@160365 13f79535-47bb-0310-9956-ffa450edef68
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+<?xml version="1.0"?>
+<!DOCTYPE modulesynopsis SYSTEM "../style/modulesynopsis.dtd">
+<?xml-stylesheet type="text/xsl" href="../style/manual.en.xsl"?>
+<!-- $LastChangedRevision$ -->
+
+<!--
+ Copyright 2002-2005 The Apache Software Foundation or its licensors, as
+ applicable.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+
+<modulesynopsis metafile="mod_imagemap.xml.meta">
+
+<name>mod_imagemap</name>
+<description>Server-side imagemap processing</description>
+<status>Base</status>
+<sourcefile>mod_imagemap.c</sourcefile>
+<identifier>imap_module</identifier>
+
+<summary>
+ <p>This module processes <code>.map</code> files, thereby
+ replacing the functionality of the <code>imagemap</code> CGI
+ program. Any directory or document type configured to use the
+ handler <code>imap-file</code> (using either
+ <directive module="mod_mime">AddHandler</directive> or
+ <directive module="core">SetHandler</directive>)
+ will be processed by this module.</p>
+
+ <p>The following directive will activate files ending with
+ <code>.map</code> as imagemap files:</p>
+
+ <example>AddHandler imap-file map</example>
+
+ <p>Note that the following is still supported:</p>
+
+ <example>AddType application/x-httpd-imap map</example>
+
+ <p>However, we are trying to phase out "magic MIME types" so we
+ are deprecating this method.</p>
+</summary>
+
+<section id="features"><title>New Features</title>
+
+ <p>The imagemap module adds some new features that were not
+ possible with previously distributed imagemap programs.</p>
+
+ <ul>
+ <li>URL references relative to the Referer: information.</li>
+
+ <li>Default <code>&lt;base&gt;</code> assignment through a new map
+ directive <code>base</code>.</li>
+
+ <li>No need for <code>imagemap.conf</code> file.</li>
+
+ <li>Point references.</li>
+
+ <li>Configurable generation of imagemap menus.</li>
+ </ul>
+</section>
+
+<section id="imapfile"><title>Imagemap File</title>
+
+ <p>The lines in the imagemap files can have one of several
+ formats:</p>
+
+ <example>
+ directive value [<var>x</var>,<var>y</var> ...]<br />
+ directive value "<var>Menu text</var>" [<var>x</var>,<var>y</var>
+ ...]<br />
+ directive value <var>x</var>,<var>y</var> ... "<var>Menu text</var>"
+ </example>
+
+ <p>The directive is one of <code>base</code>,
+ <code>default</code>, <code>poly</code>, <code>circle</code>,
+ <code>rect</code>, or <code>point</code>. The value is an
+ absolute or relative URL, or one of the special values listed
+ below. The coordinates are <code><var>x</var>,<var>y</var></code>
+ pairs separated by whitespace. The quoted text is used as the text of
+ the link if a imagemap menu is generated. Lines beginning with '#' are
+ comments.</p>
+
+ <section id="imapfile.directives"><title>Imagemap File Directives</title>
+ <p>There are six directives allowed in the imagemap file. The
+ directives can come in any order, but are processed in the
+ order they are found in the imagemap file.</p>
+
+ <dl>
+ <dt><code>base</code> Directive</dt>
+
+ <dd><p>Has the effect of <code>&lt;base href="<var>value</var>"&gt;
+ </code>. The non-absolute URLs of the map-file are taken relative
+ to this value. The <code>base</code> directive overrides
+ <directive module="mod_imagemap">ImapBase</directive> as set in a
+ <code>.htaccess</code> file or in the server configuration files.
+ In the absence of an <directive>ImapBase</directive> configuration
+ directive, <code>base</code> defaults to
+ <code>http://server_name/</code>.</p>
+ <p><code>base_uri</code> is synonymous with <code>base</code>.
+ Note that a trailing slash on the URL is significant.</p></dd>
+
+ <dt><code>default</code> Directive</dt>
+
+ <dd>The action taken if the coordinates given do not fit any
+ of the <code>poly</code>, <code>circle</code> or
+ <code>rect</code> directives, and there are no
+ <code>point</code> directives. Defaults to <code>nocontent</code>
+ in the absence of an <directive module="mod_imagemap"
+ >ImapDefault</directive> configuration setting, causing a status
+ code of <code>204 No Content</code> to be returned. The client
+ should keep the same page displayed.</dd>
+
+ <dt><code>poly</code> Directive</dt>
+
+ <dd>Takes three to one-hundred points, and is obeyed if the
+ user selected coordinates fall within the polygon defined by
+ these points.</dd>
+
+ <dt><code>circle</code></dt>
+
+ <dd>Takes the center coordinates of a circle and a point on
+ the circle. Is obeyed if the user selected point is with the
+ circle.</dd>
+
+ <dt><code>rect</code> Directive</dt>
+
+ <dd>Takes the coordinates of two opposing corners of a
+ rectangle. Obeyed if the point selected is within this
+ rectangle.</dd>
+
+ <dt><code>point</code> Directive</dt>
+
+ <dd>Takes a single point. The point directive closest to the
+ user selected point is obeyed if no other directives are
+ satisfied. Note that <code>default</code> will not be
+ followed if a <code>point</code> directive is present and
+ valid coordinates are given.</dd>
+ </dl>
+ </section>
+
+ <section id="imapfile.values"><title>Values</title>
+
+ <p>The values for each of the directives can any of the following:</p>
+
+ <dl>
+ <dt>a URL</dt>
+
+ <dd><p>The URL can be relative or absolute URL. Relative URLs
+ can contain '..' syntax and will be resolved relative to the
+ <code>base</code> value.</p>
+ <p><code>base</code> itself will not resolved according to the
+ current value. A statement <code>base mailto:</code> will
+ work properly, though.</p></dd>
+
+ <dt><code>map</code></dt>
+
+ <dd>Equivalent to the URL of the imagemap file itself. No
+ coordinates are sent with this, so a menu will be generated
+ unless <directive module="mod_imagemap">ImapMenu</directive> is set to
+ <code>none</code>.</dd>
+
+ <dt><code>menu</code></dt>
+ <dd>Synonymous with <code>map</code>.</dd>
+
+ <dt><code>referer</code></dt>
+
+ <dd>Equivalent to the URL of the referring document. Defaults
+ to <code>http://servername/</code> if no <code>Referer:</code>
+ header was present.</dd>
+
+ <dt><code>nocontent</code></dt>
+
+ <dd>Sends a status code of <code>204 No Content</code>,
+ telling the client to keep the same page displayed. Valid for
+ all but <code>base</code>.</dd>
+
+ <dt><code>error</code></dt>
+
+ <dd>Fails with a <code>500 Server Error</code>. Valid for all
+ but <code>base</code>, but sort of silly for anything but
+ <code>default</code>.</dd>
+ </dl>
+ </section>
+
+ <section id="imapfile.coords"><title>Coordinates</title>
+
+ <dl>
+ <dt><code>0,0 200,200</code></dt>
+
+ <dd>A coordinate consists of an <var>x</var> and a <var>y</var>
+ value separated by a comma. The coordinates are separated
+ from each other by whitespace. To accommodate the way Lynx
+ handles imagemaps, should a user select the coordinate
+ <code>0,0</code>, it is as if no coordinate had been
+ selected.</dd>
+ </dl>
+
+ </section>
+
+ <section id="imapfile.quotedtext"><title>Quoted Text</title>
+
+ <dl>
+ <dt><code>"<var>Menu Text</var>"</code></dt>
+
+ <dd><p>After the value or after the coordinates, the line
+ optionally may contain text within double quotes. This string
+ is used as the text for the link if a menu is
+ generated:</p>
+
+ <example>
+ &lt;a href="http://foo.com/"&gt;<var>Menu text</var>&lt;/a&gt;
+ </example>
+
+ <p>If no quoted text is present, the name of the link will be
+ used as the text:</p>
+
+ <example>
+ &lt;a href="http://foo.com/"&gt;http://foo.com&lt;/a&gt;
+ </example>
+
+ <p>If you want to use double quotes within this text, you have to
+ write them as <code>&amp;quot;</code>.</p></dd>
+ </dl>
+
+ </section>
+</section>
+
+<section id="example"><title>Example Mapfile</title>
+
+ <example>
+ #Comments are printed in a 'formatted' or 'semiformatted' menu.<br />
+ #And can contain html tags. &lt;hr&gt;<br />
+ base referer<br />
+ poly map "Could I have a menu, please?" 0,0 0,10 10,10 10,0<br />
+ rect .. 0,0 77,27 "the directory of the referer"<br />
+ circle http://www.inetnebr.com/lincoln/feedback/ 195,0 305,27<br />
+ rect another_file "in same directory as referer" 306,0 419,27<br />
+ point http://www.zyzzyva.com/ 100,100<br />
+ point http://www.tripod.com/ 200,200<br />
+ rect mailto:nate@tripod.com 100,150 200,0 "Bugs?"<br />
+ </example>
+
+</section>
+
+<section id="referencing"><title>Referencing your mapfile</title>
+
+ <example><title>HTML example</title>
+ &lt;a href="/maps/imagemap1.map"&gt;<br />
+ <indent>
+ &lt;img ismap src="/images/imagemap1.gif"&gt;<br />
+ </indent>
+ &lt;/a&gt;
+ </example>
+
+ <example><title>XHTML example</title>
+ &lt;a href="/maps/imagemap1.map"&gt;<br />
+ <indent>
+ &lt;img ismap="ismap" src="/images/imagemap1.gif" /&gt;<br />
+ </indent>
+ &lt;/a&gt;
+ </example>
+
+</section>
+
+<directivesynopsis>
+<name>ImapMenu</name>
+<description>Action if no coordinates are given when calling
+an imagemap</description>
+<syntax>ImapMenu none|formatted|semiformatted|unformatted</syntax>
+<contextlist><context>server config</context><context>virtual host</context>
+<context>directory</context><context>.htaccess</context></contextlist>
+<override>Indexes</override>
+
+<usage>
+ <p>The <directive>ImapMenu</directive> directive determines the
+ action taken if an imagemap file is called without valid
+ coordinates.</p>
+
+ <dl>
+ <dt><code>none</code></dt>
+ <dd>If ImapMenu is <code>none</code>, no menu is generated,
+ and the <code>default</code> action is performed.</dd>
+
+ <dt><code>formatted</code></dt>
+ <dd>A <code>formatted</code> menu is the simplest menu.
+ Comments in the imagemap file are ignored. A level one header
+ is printed, then an hrule, then the links each on a separate
+ line. The menu has a consistent, plain look close to that of
+ a directory listing.</dd>
+
+ <dt><code>semiformatted</code></dt>
+ <dd>In the <code>semiformatted</code> menu, comments are
+ printed where they occur in the imagemap file. Blank lines
+ are turned into HTML breaks. No header or hrule is printed,
+ but otherwise the menu is the same as a
+ <code>formatted</code> menu.</dd>
+
+ <dt><code>unformatted</code></dt>
+ <dd>Comments are printed, blank lines are ignored. Nothing is
+ printed that does not appear in the imagemap file. All breaks
+ and headers must be included as comments in the imagemap
+ file. This gives you the most flexibility over the appearance
+ of your menus, but requires you to treat your map files as
+ HTML instead of plaintext.</dd>
+ </dl>
+</usage>
+</directivesynopsis>
+
+<directivesynopsis>
+<name>ImapDefault</name>
+<description>Default action when an imagemap is called with coordinates
+that are not explicitly mapped</description>
+<syntax>ImapDefault error|nocontent|map|referer|<var>URL</var></syntax>
+<default>ImapDefault nocontent</default>
+<contextlist><context>server config</context><context>virtual host</context>
+<context>directory</context><context>.htaccess</context></contextlist>
+<override>Indexes</override>
+
+<usage>
+ <p>The <directive>ImapDefault</directive> directive sets the default
+ <code>default</code> used in the imagemap files. Its value is
+ overridden by a <code>default</code> directive within the
+ imagemap file. If not present, the <code>default</code> action
+ is <code>nocontent</code>, which means that a <code>204 No
+ Content</code> is sent to the client. In this case, the client
+ should continue to display the original page.</p>
+</usage>
+</directivesynopsis>
+
+<directivesynopsis>
+<name>ImapBase</name>
+<description>Default <code>base</code> for imagemap files</description>
+<syntax>ImapBase map|referer|<var>URL</var></syntax>
+<default>ImapBase http://servername/</default>
+<contextlist><context>server config</context><context>virtual host</context>
+<context>directory</context><context>.htaccess</context></contextlist>
+<override>Indexes</override>
+
+<usage>
+ <p>The <directive>ImapBase</directive> directive sets the default
+ <code>base</code> used in the imagemap files. Its value is
+ overridden by a <code>base</code> directive within the imagemap
+ file. If not present, the <code>base</code> defaults to
+ <code>http://<var>servername</var>/</code>.</p>
+</usage>
+<seealso><directive module="core">UseCanonicalName</directive></seealso>
+</directivesynopsis>
+
+</modulesynopsis>