APACHE_1_3_42/htdocs/manual/mod/mod_imap.html - httpd - Git at Google

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     <h1 align="CENTER">Module mod_imap</h1>

     <p>This module provides for server-side imagemap
     processing.</p>

     <p><a href="module-dict.html#Status"
     rel="Help"><strong>Status:</strong></a> Base<br />
      <a href="module-dict.html#SourceFile"
     rel="Help"><strong>Source File:</strong></a> mod_imap.c<br />
      <a href="module-dict.html#ModuleIdentifier"
     rel="Help"><strong>Module Identifier:</strong></a>
     imap_module<br />
      <a href="module-dict.html#Compatibility"
     rel="Help"><strong>Compatibility:</strong></a> Available in
     Apache 1.1 and later.</p>

     <h2>Summary</h2>

     <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 <code><a
     href="mod_mime.html#addhandler">AddHandler</a></code> or
     <code><a href="mod_mime.html#sethandler">SetHandler</a></code>)
     will be processed by this module.</p>

     <p>The following directive will activate files ending with
     <code>.map</code> as imagemap files:</p>

     <blockquote>
       <code>AddHandler imap-file map</code>
     </blockquote>
     Note that the following is still supported:

     <blockquote>
       <code>AddType application/x-httpd-imap map</code>
     </blockquote>
     However, we are trying to phase out "magic MIME types" so we
     are deprecating this method.

     <h2>Directives</h2>

     <ul>
       <li><a href="#imapmenu">ImapMenu</a></li>

       <li><a href="#imapdefault">ImapDefault</a></li>

       <li><a href="#imapbase">ImapBase</a></li>
     </ul>

     <h2>New Features</h2>
     The imagemap module adds some new features that were not
     possible with previously distributed imagemap programs.

     <ul>
       <li>URL references relative to the Referer: information.</li>

       <li>Default &lt;BASE&gt; 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>

     <h2>Imagemap File</h2>
     The lines in the imagemap files can have one of several
     formats:

     <blockquote>
       <code>directive value [x,y ...]</code><br />
        <code>directive value "Menu text" [x,y ...]</code><br />
        <code>directive value x,y ... "Menu text"</code><br />
     </blockquote>
     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>x,y</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.

     <h3>Imagemap File Directives</h3>
     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.

     <dl>
       <dt><code>base</code> Directive</dt>

       <dd>Has the effect of <code>&lt;BASE HREF="value"&gt;</code>.
       The non-absolute URLs of the map-file are taken relative to
       this value. The <code>base</code> directive overrides
       ImapBase as set in a .htaccess file or in the server
       configuration files. In the absence of an ImapBase
       configuration directive, <code>base</code> defaults to
       <code>http://server_name/</code>.<br />
        <code>base_uri</code> is synonymous with <code>base</code>.
       Note that a trailing slash on the URL is significant.</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 ImapDefault
       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>

     <h3>Values</h3>
     The values for each of the directives can any of the following:


     <dl>
       <dt>a URL</dt>

       <dd>The URL can be relative or absolute URL. Relative URLs
       can contain '..' syntax and will be resolved relative to the
       <code>base</code> value.<br />
        <code>base</code> itself will not resolved according to the
       current value. A statement <code>base mailto:</code> will
       work properly, though.</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 ImapMenu is set to 'none'.</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 Referer: 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>

     <h3>Coordinates</h3>

     <dl>
       <dt><code>0,0 200,200</code></dt>

       <dd>A coordinate consists of an <tt>x</tt> and a <tt>y</tt>
       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>

     <h3>Quoted Text</h3>

     <dl>
       <dt><code>"Menu Text"</code></dt>

       <dd>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:<br />
        <code>&lt;a HREF="http://foo.com/"&gt;Menu
       text&lt;/a&gt;</code><br />
        If no quoted text is present, the name of the link will be
       used as the text:<br />
        <code>&lt;a
       HREF="http://foo.com/"&gt;http://foo.com&lt;/a&gt;</code><br />
        If you want to use double quotes within this text, you have to
        write them as <code>&amp;quot;</code>.</dd>
     </dl>

     <h2>Example Mapfile</h2>

     <blockquote>
       <code>#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 />
       </code>
     </blockquote>

     <h2>Referencing your mapfile</h2>

     <blockquote>
       <code>&lt;A HREF="/maps/imagemap1.map"&gt;<br />
        &lt;IMG ISMAP SRC="/images/imagemap1.gif"&gt;<br />
        &lt;/A&gt;</code>
     </blockquote>
     <hr />

     <h2><a id="imapmenu" name="imapmenu">ImapMenu</a>
     directive</h2>
     <a href="directive-dict.html#Syntax"
     rel="Help"><strong>Syntax:</strong></a> ImapMenu
     none|formatted|semiformatted|unformatted<br />
      <a href="directive-dict.html#Context"
     rel="Help"><strong>Context:</strong></a> server config, virtual
     host, directory, .htaccess<br />
      <a href="directive-dict.html#Override"
     rel="Help"><strong>Override:</strong></a> Indexes<br />
      <a href="directive-dict.html#Module"
     rel="Help"><strong>Module:</strong></a> mod_imap<br />
      <a href="directive-dict.html#Compatibility"
     rel="Help"><strong>Compatibility:</strong></a> ImapMenu is only
     available in Apache 1.1 and later.

     <p>The ImapMenu 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>
     <hr />

     <h2><a id="imapdefault" name="imapdefault">ImapDefault</a>
     directive</h2>
     <a href="directive-dict.html#Syntax"
     rel="Help"><strong>Syntax:</strong></a> ImapDefault
     error|nocontent|map|referer|<em>URL</em><br />
      <a href="directive-dict.html#Context"
     rel="Help"><strong>Context:</strong></a> server config, virtual
     host, directory, .htaccess<br />
      <a href="directive-dict.html#Override"
     rel="Help"><strong>Override:</strong></a> Indexes<br />
      <a href="directive-dict.html#Module"
     rel="Help"><strong>Module:</strong></a> mod_imap<br />
      <a href="directive-dict.html#Compatibility"
     rel="Help"><strong>Compatibility:</strong></a> ImapDefault is
     only available in Apache 1.1 and later.

     <p>The ImapDefault 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>
     <hr />

     <h2><a id="imapbase" name="imapbase">ImapBase</a>
     directive</h2>
     <a href="directive-dict.html#Syntax"
     rel="Help"><strong>Syntax:</strong></a> ImapBase
     map|referer|<em>URL</em><br />
      <a href="directive-dict.html#Context"
     rel="Help"><strong>Context:</strong></a> server config, virtual
     host, directory, .htaccess<br />
      <a href="directive-dict.html#Override"
     rel="Help"><strong>Override:</strong></a> Indexes<br />
      <a href="directive-dict.html#Module"
     rel="Help"><strong>Module:</strong></a> mod_imap<br />
      <a href="directive-dict.html#Compatibility"
     rel="Help"><strong>Compatibility:</strong></a> ImapBase is only
     available in Apache 1.1 and later.

     <p>The ImapBase 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://servername/</code>.
     <!--#include virtual="footer.html" -->
     </p>
   </body>
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	<h1 align="CENTER">Module mod_imap</h1>

	<p>This module provides for server-side imagemap
	processing.</p>

	<p><a href="module-dict.html#Status"
	rel="Help"><strong>Status:</strong></a> Base<br />
	<a href="module-dict.html#SourceFile"
	rel="Help"><strong>Source File:</strong></a> mod_imap.c<br />
	<a href="module-dict.html#ModuleIdentifier"
	rel="Help"><strong>Module Identifier:</strong></a>
	imap_module<br />
	<a href="module-dict.html#Compatibility"
	rel="Help"><strong>Compatibility:</strong></a> Available in
	Apache 1.1 and later.</p>

	<h2>Summary</h2>

	<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 <code><a
	href="mod_mime.html#addhandler">AddHandler</a></code> or
	<code><a href="mod_mime.html#sethandler">SetHandler</a></code>)
	will be processed by this module.</p>

	<p>The following directive will activate files ending with
	<code>.map</code> as imagemap files:</p>

	<blockquote>
	<code>AddHandler imap-file map</code>
	</blockquote>
	Note that the following is still supported:

	<blockquote>
	<code>AddType application/x-httpd-imap map</code>
	</blockquote>
	However, we are trying to phase out "magic MIME types" so we
	are deprecating this method.

	<h2>Directives</h2>

	<ul>
	<li><a href="#imapmenu">ImapMenu</a></li>

	<li><a href="#imapdefault">ImapDefault</a></li>

	<li><a href="#imapbase">ImapBase</a></li>
	</ul>

	<h2>New Features</h2>
	The imagemap module adds some new features that were not
	possible with previously distributed imagemap programs.

	<ul>
	<li>URL references relative to the Referer: information.</li>

	<li>Default <BASE> 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>

	<h2>Imagemap File</h2>
	The lines in the imagemap files can have one of several
	formats:

	<blockquote>
	<code>directive value [x,y ...]</code><br />
	<code>directive value "Menu text" [x,y ...]</code><br />
	<code>directive value x,y ... "Menu text"</code><br />
	</blockquote>
	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>x,y</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.

	<h3>Imagemap File Directives</h3>
	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.

	<dl>
	<dt><code>base</code> Directive</dt>

	<dd>Has the effect of <code><BASE HREF="value"></code>.
	The non-absolute URLs of the map-file are taken relative to
	this value. The <code>base</code> directive overrides
	ImapBase as set in a .htaccess file or in the server
	configuration files. In the absence of an ImapBase
	configuration directive, <code>base</code> defaults to
	<code>http://server_name/</code>.<br />
	<code>base_uri</code> is synonymous with <code>base</code>.
	Note that a trailing slash on the URL is significant.</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 ImapDefault
	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>

	<h3>Values</h3>
	The values for each of the directives can any of the following:


	<dl>
	<dt>a URL</dt>

	<dd>The URL can be relative or absolute URL. Relative URLs
	can contain '..' syntax and will be resolved relative to the
	<code>base</code> value.<br />
	<code>base</code> itself will not resolved according to the
	current value. A statement <code>base mailto:</code> will
	work properly, though.</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 ImapMenu is set to 'none'.</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 Referer: 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>

	<h3>Coordinates</h3>

	<dl>
	<dt><code>0,0 200,200</code></dt>

	<dd>A coordinate consists of an <tt>x</tt> and a <tt>y</tt>
	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>

	<h3>Quoted Text</h3>

	<dl>
	<dt><code>"Menu Text"</code></dt>

	<dd>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:<br />
	<code><a HREF="http://foo.com/">Menu
	text</a></code><br />
	If no quoted text is present, the name of the link will be
	used as the text:<br />
	<code><a
	HREF="http://foo.com/">http://foo.com</a></code><br />
	If you want to use double quotes within this text, you have to
	write them as <code>&quot;</code>.</dd>
	</dl>

	<h2>Example Mapfile</h2>

	<blockquote>
	<code>#Comments are printed in a 'formatted' or
	'semiformatted' menu.<br />
	#And can contain html tags. <hr><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 />
	</code>
	</blockquote>

	<h2>Referencing your mapfile</h2>

	<blockquote>
	<code><A HREF="/maps/imagemap1.map"><br />
	<IMG ISMAP SRC="/images/imagemap1.gif"><br />
	</A></code>
	</blockquote>
	<hr />

	<h2><a id="imapmenu" name="imapmenu">ImapMenu</a>
	directive</h2>
	<a href="directive-dict.html#Syntax"
	rel="Help"><strong>Syntax:</strong></a> ImapMenu
	none\|formatted\|semiformatted\|unformatted<br />
	<a href="directive-dict.html#Context"
	rel="Help"><strong>Context:</strong></a> server config, virtual
	host, directory, .htaccess<br />
	<a href="directive-dict.html#Override"
	rel="Help"><strong>Override:</strong></a> Indexes<br />
	<a href="directive-dict.html#Module"
	rel="Help"><strong>Module:</strong></a> mod_imap<br />
	<a href="directive-dict.html#Compatibility"
	rel="Help"><strong>Compatibility:</strong></a> ImapMenu is only
	available in Apache 1.1 and later.

	<p>The ImapMenu 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>
	<hr />

	<h2><a id="imapdefault" name="imapdefault">ImapDefault</a>
	directive</h2>
	<a href="directive-dict.html#Syntax"
	rel="Help"><strong>Syntax:</strong></a> ImapDefault
	error\|nocontent\|map\|referer\|<em>URL</em><br />
	<a href="directive-dict.html#Context"
	rel="Help"><strong>Context:</strong></a> server config, virtual
	host, directory, .htaccess<br />
	<a href="directive-dict.html#Override"
	rel="Help"><strong>Override:</strong></a> Indexes<br />
	<a href="directive-dict.html#Module"
	rel="Help"><strong>Module:</strong></a> mod_imap<br />
	<a href="directive-dict.html#Compatibility"
	rel="Help"><strong>Compatibility:</strong></a> ImapDefault is
	only available in Apache 1.1 and later.

	<p>The ImapDefault 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>
	<hr />

	<h2><a id="imapbase" name="imapbase">ImapBase</a>
	directive</h2>
	<a href="directive-dict.html#Syntax"
	rel="Help"><strong>Syntax:</strong></a> ImapBase
	map\|referer\|<em>URL</em><br />
	<a href="directive-dict.html#Context"
	rel="Help"><strong>Context:</strong></a> server config, virtual
	host, directory, .htaccess<br />
	<a href="directive-dict.html#Override"
	rel="Help"><strong>Override:</strong></a> Indexes<br />
	<a href="directive-dict.html#Module"
	rel="Help"><strong>Module:</strong></a> mod_imap<br />
	<a href="directive-dict.html#Compatibility"
	rel="Help"><strong>Compatibility:</strong></a> ImapBase is only
	available in Apache 1.1 and later.

	<p>The ImapBase 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://servername/</code>.
	<!--#include virtual="footer.html" -->
	</p>
	</body>
	</html>