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