/*global module:true*/
/*
* Basic table support with re-entrant parsing, where cell content
* can also specify markdown.
*
* Tables
* ======
*
* | Col 1 | Col 2 |
* |======== |====================================================|
* |**bold** | ![Valid XHTML] (http://w3.org/Icons/valid-xhtml10) |
* | Plain | Value |
*
*/
(function(){
var table = function(converter) {
var tables = {}, style = 'text-align:left;', filter;
tables.th = function(header){
if (header.trim() === "") { return "";}
var id = header.trim().replace(/ /g, '_').toLowerCase();
return '<th id="' + id + '" style="'+style+'">' + header + '</th>';
};
tables.td = function(cell) {
return '<td style="'+style+'">' + converter.makeHtml(cell) + '</td>';
};
tables.ths = function(){
var out = "", i = 0, hs = [].slice.apply(arguments);
for (i;i<hs.length;i+=1) {
out += tables.th(hs[i]) + '\n';
}
return out;
};
tables.tds = function(){
var out = "", i = 0, ds = [].slice.apply(arguments);
for (i;i<ds.length;i+=1) {
out += tables.td(ds[i]) + '\n';
}
return out;
};
tables.thead = function() {
var out, i = 0, hs = [].slice.apply(arguments);
out = "<thead>\n";
out += "<tr>\n";
out += tables.ths.apply(this, hs);
out += "</tr>\n";
out += "</thead>\n";
return out;
};
tables.tr = function() {
var out, i = 0, cs = [].slice.apply(arguments);
out = "<tr>\n";
out += tables.tds.apply(this, cs);
out += "</tr>\n";
return out;
};
filter = function(text) {
var i=0, lines = text.split('\n'), tbl = [], line, hs, rows, out = [];
for (i; i<lines.length;i+=1) {
line = lines[i];
// looks like a table heading
if (line.trim().match(/^[|]{1}.*[|]{1}$/)) {
line = line.trim();
tbl.push('<table>');
hs = line.substring(1, line.length -1).split('|');
tbl.push(tables.thead.apply(this, hs));
line = lines[++i];
if (!line.trim().match(/^[|]{1}[-=| ]+[|]{1}$/)) {
// not a table rolling back
line = lines[--i];
}
else {
line = lines[++i];
tbl.push('<tbody>');
while (line.trim().match(/^[|]{1}.*[|]{1}$/)) {
line = line.trim();
tbl.push(tables.tr.apply(this, line.substring(1, line.length -1).split('|')));
line = lines[++i];
}
tbl.push('</tbody>');
tbl.push('</table>');
// we are done with this table and we move along
out.push(tbl.join('\n'));
