Use plain CGI

This eliminates the last of large Haskell dependencies.

The multipart enctype is not supported now.

3 files changed, 24 insertions, 10 deletions

diff --git a/example/README.md b/example/README.md
index d70b595..3aa50bf 100644
--- a/example/README.md
+++ b/example/README.md
@@ -14,10 +14,17 @@ them.
 
 `list.xsl` includes report and search forms, and lists the bugs.
 
-To quickly try it, run `spawn-fcgi -p 5152 /bin/env pgxhtml` in this
-directory, with database connection environment variables set if
-needed, an `127.0.0.1 pgxhtml-test` entry in `/etc/hosts`, and a nginx
-config akin to the following:
+To quickly try the example after preparing a database, it can be
+invoked directly in the `example` directory, e.g.:
+
+```sh
+echo | QUERY_STRING="t=list&q=select+bug_search('','',10,0)" pgxhtml
+```
+
+To try it with a web server, ensure that `fcgiwrap` is running (e.g.,
+`fcgiwrap -s 'tcp:127.0.0.1:5152'`), database connection environment
+variables are set if needed, an `127.0.0.1 pgxhtml-test` entry is in
+`/etc/hosts`, and a nginx config akin to the following is set:
 
 ```
 server {
@@ -26,8 +33,13 @@ server {
 
     location / {
       include fastcgi_params;
-      fastcgi_param PATH_INFO $fastcgi_script_name;
+      fastcgi_param SCRIPT_FILENAME /home/defanor/.cabal/bin/pgxhtml;
+      fastcgi_param FCGI_CHDIR /home/defanor/proj/haskell/pgxhtml/example/;
       fastcgi_pass 127.0.0.1:5152;
     }
 }
 ```
+
+Then
+[http://pgxhtml-test/?t=list&q=select+bug_search('','',10,0)](http://pgxhtml-test/?t=list&q=select%20bug_search(%27%27,%27%27,10,0))
+should be available.
diff --git a/example/list.xsl b/example/list.xsl
index f229e3e..f4b0cf3 100644
--- a/example/list.xsl
+++ b/example/list.xsl
@@ -11,13 +11,14 @@
   <xsl:include href="common.xsl"/>
   <xsl:param name="project" />
   <xsl:param name="description" />
+  <xsl:param name="auth" />
   <xsl:param name="limit" select="10" />
   <xsl:param name="offset" select="0" />
 
   <xsl:template match="bugs:table">
     <!-- Report form -->
     <h2>Report</h2>
-    <form method="post" action="view.xhtml?q=insert%20into%20bugs%20(%20:fields%20)%20values%20(%20:values%20)%20returning%20xmlelement(name%20table,xmlattributes('urn:x-bugs'%20as%20xmlns),xmlelement(name%20row,xmlelement(name%20id,id),xmlelement(name%20reported,reported),xmlelement(name%20reporter,reporter),xmlelement(name%20project,project),xmlelement(name%20description,description)))">
+    <form method="post" action="?auth={$auth}&amp;t=view&amp;q=insert%20into%20bugs%20(%20:fields%20)%20values%20(%20:values%20)%20returning%20xmlelement(name%20table,xmlattributes('urn:x-bugs'%20as%20xmlns),xmlelement(name%20row,xmlelement(name%20id,id),xmlelement(name%20reported,reported),xmlelement(name%20reporter,reporter),xmlelement(name%20project,project),xmlelement(name%20description,description)))">
       <dl>
         <dt><label for="report_project">Project</label></dt>
         <dd>
@@ -37,7 +38,7 @@
 
     <!-- Search form -->
     <h2>Search</h2>
-    <form method="get" action="list.xhtml">
+    <form method="get">
       <dl>
         <dt><label for="search_project">Project</label></dt>
         <dd>
@@ -59,6 +60,7 @@
           <input id="search_offset" type="number" name="offset" min="0"
                  value="{$offset}" />
         </dd>
+        <input type="hidden" name="t" value="list" />
         <input type="hidden" name="q"
                value="select bug_search( q:project , q:description , q:limit , q:offset )" />
       </dl>
@@ -78,12 +80,12 @@
           <td><xsl:copy-of select="bugs:reported/text()" /></td>
           <td><xsl:copy-of select="bugs:reporter/text()" /></td>
           <td>
-            <a href="list.xhtml?q=select%20bug_search(%20q:project%20,'',{$limit},{$offset})&amp;project={str:encode-uri(bugs:project/text(), true())}">
+            <a href="?auth={$auth}&amp;t=list&amp;q=select%20bug_search(%20q:project%20,'',{$limit},{$offset})&amp;project={str:encode-uri(bugs:project/text(), true())}">
               <xsl:copy-of select="bugs:project/text()" />
             </a>
           </td>
           <td>
-            <a href="view.xhtml?q=select%20query_to_xml('select%20*%20from%20bugs%20where%20id=''{bugs:id}''',false,false,'urn:x-bugs')">
+            <a href="?auth={$auth}&amp;t=view&amp;q=select%20query_to_xml('select%20*%20from%20bugs%20where%20id=''{bugs:id}''',false,false,'urn:x-bugs')">
               <xsl:copy-of select="bugs:summary/text()" />
             </a>
           </td>
diff --git a/example/view.xsl b/example/view.xsl
index 84a9d5a..8b5dde8 100644
--- a/example/view.xsl
+++ b/example/view.xsl
@@ -9,7 +9,7 @@
   <xsl:include href="common.xsl"/>
 
   <xsl:template match="bugs:table/bugs:row">
-    <a href="list.xhtml?q=select%20bug_search(%27%27,%20%27%27,%2010,%200)">back to listing</a>
+    <a href="?auth={$auth}&amp;t=list&amp;q=select%20bug_search(%27%27,%20%27%27,%2010,%200)">back to listing</a>
     <dl>
       <dt>ID</dt>
       <dd><xsl:copy-of select="bugs:id/text()" /></dd>