<?php
/*
* htdig_search.php
*
* Purpose: Search the database of indexed pages and present the results.
*
* @(#) $Header: /home/mlemos/cvsroot/htdiginterface/htdig_search.php,v 1.5 2005/02/08 06:10:48 mlemos Exp $
*
*/
require("htdig.php");
require("configuration.php");
$htdig=new htdig_class;
/*
* Where are the executables of htsearch, htdig, htmerge, htfuzzy
* located? They should be in the same directory. It does not need
* to be in the original instalation directory.
*/
$htdig->htdig_path=$htdig_path;
/*
* If the htsearch program is locate a different directory from htdig,
* specify it here.
*/
$htdig->htsearch_path=$htsearch_path;
/*
* Where this search engine configuration file should be stored? It
* does not need to be in the original htdig instalation directory.
* If you need to index more than one site in your server run this
* script as many times as need specifying different configuration file
* names.
*/
$htdig->configuration=$htdig_configuration_file;
/*
* Where this search engine database files hould be stored? It
* does not need to be in the original htdig instalation directory.
* If you need to index more than one site in your server run this
* script as many times as need specifying different database
* directories.
*/
$htdig->database_directory=$htdig_database_directory;
/*
* Set the secure search option to let the latest Ht:/Dig versions
* (3.1.6 or later) use configuration files stored in paths different
* from the default.
*/
$htdig->secure_search=1;
if(IsSet($_REQUEST["words"]))
$words=$_REQUEST["words"];
if(IsSet($_REQUEST["method"]))
$method=$_REQUEST["method"];
if(IsSet($_REQUEST["go_search"]))
$go_search=$_REQUEST["go_search"];
if(IsSet($_REQUEST["page"]))
$page=$_REQUEST["page"];
?><HTML>
<HEAD>
<TITLE>Search this site</TITLE>
<BODY>
<H1><CENTER>Search this site</CENTER></H1>
<HR>
<FORM METHOD="GET" ACTION="" NAME="search_form">
<CENTER><TABLE BORDER>
<TR>
<TD>
<CENTER><TABLE>
<TR>
<TH ALIGN=right>Search for:</TH>
<TD><INPUT TYPE="text" NAME="words" VALUE="<?
if(IsSet($words))
echo HtmlEntities($words);
?>"></TD>
<TD><CENTER><INPUT TYPE="submit" VALUE="Go"</CENTER></TD>
</TR>
<TR>
<TH ALIGN=right>Match</LABEL>:</TH>
<TD><SELECT NAME="method">
<OPTION VALUE="or"<?
if(IsSet($method)
&& $method=="or")
echo " SELECTED";
?>>Any word</OPTION>
<OPTION VALUE="and"<?
if(IsSet($method)
&& $method=="and")
echo " SELECTED";
?>>All words</OPTION>
</SELECT>
</TD></TR>
</TABLE></CENTER>
</TD></TR>
</TABLE></CENTER>
<INPUT TYPE="hidden" NAME="go_search" VALUE="1" ID="go_search">
</FORM>
<?
if(IsSet($go_search))
{
if(IsSet($page)
&& intval($page)>0)
$page=intval($page);
else
$page=1;
/* How many matches per page? */
$matchesperpage=10;
/* What is the limit of Next and Previous result page links ? */
$listpages=4;
$options=array(
"matchesperpage"=>$matchesperpage,
"page"=>$page,
"method"=>$method
);
$words=ereg_replace("[ ]+","|",$words);
if(!strcmp($error=$htdig->Search($words,$options,$results),""))
{
$maximum_page=intval(($results["MatchCount"]+$matchesperpage-1)/$matchesperpage);
if($results["MatchCount"])
{
if($page>$maximum_page)
{
$options["page"]=$page=$maximum_page;
$error=$htdig->Search($words,$options,$results);
}
}
if(!strcmp($error,""))
{
if($results["MatchCount"]>0)
{
?>
<TABLE WIDTH="90%">
<TR>
<TD ALIGN=right WIDTH="5%"> </TD>
<TD><B>Pages found:</B> <?
echo $results["MatchCount"];
?></TD>
</TR>
</TABLE>
<?
if($results["MatchCount"]>$matchesperpage)
{
?>
<TABLE WIDTH="90%">
<TR>
<TD WIDTH="5%"> </TD>
<TD><TABLE>
<TR>
<?
$link_values="words=".UrlEncode($words)."&method=$method&go_search=1";
if($page>1)
{
if(($link_page=$page-$listpages)<1)
$link_page=1;
for(;$link_page<$page;$link_page++)
{
$page_range=(($link_page-1)*$matchesperpage+1)."-".min($link_page*$matchesperpage,$results["MatchCount"]);
$url="?page=$link_page&$link_values";
echo "<TD><A HREF=\"$url\">$page_range</A></TD>\n";
}
echo "<TD><A HREF=\"$url\"><< Previous</A></TD>\n";
}
$page_range=(($page-1)*$matchesperpage+1)."-".min($page*$matchesperpage,$results["MatchCount"]);
echo "<TD><B>$page_range</B></TD>\n";
if($page<$maximum_page)
{
$link_page=$page+1;
$url="?page=$link_page&$link_values";
echo "<TD><A HREF=\"$url\">Next >></TD>\n";
if(($last_page=$page+$listpages)>$maximum_page)
$last_page=$maximum_page;
for(;$link_page<=$last_page;$link_page++)
{
$page_range=(($link_page-1)*$matchesperpage+1)."-".min($link_page*$matchesperpage,$results["MatchCount"]);
$url="?page=$link_page&$link_values";
echo "<TD><A HREF=\"$url\">$page_range</A></TD>\n";
}
}
?>
</TR>
</TABLE>
</TD>
</TR>
</TABLE>
<?
}
$first=$results["FirstMatch"];
$last=$results["LastMatch"];
for($match=$first;$match<=$last;$match++)
{
?>
<BR>
<TABLE WIDTH="90%">
<TR>
<TD ALIGN=right WIDTH="5%">
<? echo $match;
?>.</TD>
<TD><?
echo "<A HREF=\"",$results["Matches"][$match]["URL"],"\">".$results["Matches"][$match]["Title"]," (",$results["Matches"][$match]["Percent"],"%)";
?></TD>
</TR>
<TR>
<TD> </TD>
<TD><FONT SIZE=-1><?
echo $results["Matches"][$match]["Excerpt"]
?></FONT></TD>
</TR></TABLE>
<?
}
}
else
{
?>
<H2><CENTER>Sorry no pages were found.</CENTER></H2>
<?
}
}
}
if(strcmp($error,""))
{
?>
<H2>Error: <?
echo HtmlEntities($error);
?>.</H2>
<?
}
}
?>
<HR>
</BODY>
</HTML>
|
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