Monday, November 08, 2010 at 12:04 AM.


on mimeTypes () {
	<<Configure MIME types for serving files from disk.
		<<12/7/01; 2:42:24 PM by PBS
	local (pta = html.getPageTableAddress ());
	local (adrTable = @user.webserver.prefs.ext2Mime);
	local (htmlText = "");
	local (indentLevel = 0);
	local (flPost = (pta^.method == "POST"));
	local (flEditing = false);
	local (adrItemToEdit);
	local (nameItemToEdit);
	pta^.title = "MIME Types";
	on add (s) {
		htmlText = htmlText + string.filledString ('\t', indentLevel) + s + "\r"};
	on addSeparator (s) {
		add ("<table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"0\"><tr>");
		add ("<td bgcolor=\"#DCDCFF\" colspan=\"6\"><b>" + s + "</td>");
		add ("</tr></table>")};
	bundle { //handle POSTed form
		if flPost {
			if defined (pta^.postArgs.delete) { //deleting?
				local (adrItem);
				for adrItem in @pta^.postArgs {
					local (itemName = string.lower (nameOf (adrItem^)));
					if itemName == "delete" {
					if defined (adrTable^.[itemName]) {
						delete (@adrTable^.[itemName])}}}
			else { //must be adding or editing
				local (name = string.trimWhiteSpace (pta^.postArgs.suffix));
				if name != "" {
					name = string.lower (name);
					name = string.popLeading (name, '.'); //be forgiving
					local (type = string.trimWhiteSpace (pta^.postArgs.type));
					adrTable^.[name] = type}}}};
					<<add ("<font color=\"blue\">." + name + " has been set to " + type + ".</font><p>")
	bundle { //editing?
		if not flPost {
			if pta^.searchArgs != "" {
				local (t);
				new (tableType, @t);
				webserver.parseArgs (pta^.searchArgs, @t);
				if defined (t.itemToEdit) {
					if string.trimWhiteSpace (t.itemToEdit) != "" {
						if defined (adrTable^.[t.itemToEdit]) {
							flEditing = true;
							adrItemToEdit = @adrTable^.[t.itemToEdit];
							nameItemToEdit = nameOf (adrItemToEdit^)}}}}}};
	bundle { //introduction text
		if flEditing {
			add ("To change the MIME type associated with the ." + nameItemToEdit + " extension, fill in the Type input box and click the Submit button.")}
		else {
			add ("To add a new MIME type, fill in the suffix and its MIME type, then click the Add New Type button. To delete one or more types, check one or more checkboxes and click the Delete button at the bottom of the page. To edit a type, click an Edit link on the right.")};
		add ("<p>")};
	bundle { //Create New or edit
		local (defaultName = "", defaultValue = "");
		if flEditing {
			addSeparator ("Edit type for ." + nameItemToEdit + ":");
			defaultName = nameItemToEdit;
			defaultValue = adrItemToEdit^}
		else {
			addSeparator ("Add new type:")};
		add ("<form method=\"post\" action=\"" + pta^.uri + "\">"); indentLevel++;
		add ("<table border=\"0\" cellpadding=\"7\" cellspacing=\"0\">"); indentLevel++;
		add ("<tr>"); indentLevel++;
		add ("<td>Suffix:</td>");
		if flEditing {
			add ("<td>." + defaultName + "<input name=\"suffix\" type=\"hidden\" value=\"" + defaultName + "\"></td>")}
		else {
			add ("<td><input size=\"5\" name=\"suffix\" value=\"\"></td>")};
		add ("</tr>"); indentLevel--;
		add ("<tr>"); indentLevel++;
		add ("<td>Type:</td>");
		add ("<td><input size=\"30\" name=\"type\" value=\"" + defaultValue + "\"></td>");
		add ("</tr>"); indentLevel--;
		add ("<tr>"); indentLevel++;
		add ("<td> </td>");
		if flEditing {
			add ("<td><input type=\"submit\" value=\"Submit\" name=\"editSubmit\"></td>")}
		else {
			add ("<td><input type=\"submit\" value=\"Add New Type\" name=\"newTypeSubmit\"></td>")};
		add ("</tr>"); indentLevel--;
		add ("</table>"); indentLevel--;
		add ("</form>"); indentLevel--};
	if not flEditing {
		bundle { //top of form
			addSeparator ("Current types:");
			add ("<form method=\"post\" action=\"" + pta^.uri + "\">");
		bundle { //top of table
			add ("<table border=\"0\" cellpadding=\"5\" cellspacing=\"0\">");
			add ("<tr>"); indentLevel++;
			add ("<td> </td><td> </td><td align=\"left\"><b>Suffix</b></td><td align=\"left\"><b>Type</b></td><td> </td><td> </td>");
			add ("</tr>"); indentLevel--};
		local (adr, flDidSpacers = false);
		for adr in adrTable { //build table
			local (extension = nameOf (adr^));
			local (value = adr^);
			add ("<tr>"); indentLevel++;
			<<Delete checkbox.
			add ("<td><input type=\"checkbox\" name=\"" + extension+ "\" value=\"delete\"></td>");
			if not flDidSpacers {
				add ("<td>        </td>")} //spacer
			else {
				add ("<td></td>")};
			add ("<td align=\"left\">." + extension + "</td>"); //extension
			add ("<td align=\"left\">" + value + "</td>"); //MIME type
			if not flDidSpacers {
				add ("<td>        </td>"); //spacer
				flDidSpacers = true}
			else {
				add ("<td></td>")};
			add ("<td><a href=\"" + pta^.uri + "?itemToEdit=" + extension + "\">Edit</a></td>"); //edit button
			add ("</tr>"); indentLevel--};
		bundle { //buttons and bottom of table
			add ("<tr>"); indentLevel++;
			add ("<td colspan=\"6\"><input type=\"Submit\" name=\"Delete\" value=\"Delete\"></td>");
			add ("</tr>"); indentLevel--;
			add ("</table>");
		bundle { //bottom of form
			add ("</form>");
	return (string.replaceAll (htmlText, "{", "{"))}

This listing is for code that runs in the OPML Editor environment. I created these listings because I wanted the search engines to index it, so that when I want to look up something in my codebase I don't have to use the much slower search functionality in my object database. Dave Winer.