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htmlhelp.js
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htmlhelp.js
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// ==============================
// Copyright 2020 Mark Burkley
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// ==============================
//
// This module contrains HTML helper functions to format output for either
// turtle or html. HTML output contains links as href links, encodes < and >,
// etc.
//
// ==============================
function ref (item)
{
return "<a href=\""+item+"\">"+item+"</a>";
}
module.exports.ref = ref;
function respond200 (res, html)
{
if (html)
res.writeHead(200, {'Content-Type': 'text/html'});
else
res.writeHead(200, {'Content-Type': 'text/turtle'});
}
module.exports.respond200 = respond200;
function respond404 (res, html)
{
if (html)
res.writeHead(404, {'Content-Type': 'text/html'});
else
res.writeHead(404, {'Content-Type': 'text/turtle'});
}
module.exports.respond404 = respond404;
function link (html, text, link)
{
var result = "";
if (html)
result += "<a href=\""+link+"\">";
result += text;
if (html)
result += "</a>";
return result;
}
module.exports.link = link;
function formatUrl (html, url)
{
var result = ""
if (html)
result += "<";
else
result += "<";
result += url;
if (html)
result += ">";
else
result += ">";
return result;
}
function prefix (html, prefix, url)
{
return ('@prefix '+prefix+': '+
formatUrl (html, url)+
' .\n');
}
module.exports.prefix = prefix;