Browser MCP Server

#!/usr/bin/env node 'use strict'; var fs = require('fs'); var path = require('path'); /** * Process entities.json from the HTML5 spec into an array and regular * expression suitable for use in domino's HTMLParser.js implementation. */ var entities_json = process.argv[2]; var entities = require(path.resolve(__dirname, entities_json)); var keys = Object.keys(entities).map(function(s) { console.assert(s[0] === '&'); return s.slice(1); // Don't include leading '&' }).sort(); var s = ''; s += '/*\n'; s += ' * This table is generated with test/tools/update-entities.js\n'; s += ' */\n'; s += 'var namedCharRefs = {\n __proto__: null,\n'; for (var i=0; i<keys.length; i++) { if (i%2==0) { s+=' '; } else { s += ' '; } s += JSON.stringify(keys[i]); s += ':'; var c = entities['&' + keys[i]].characters; if (c.length === 1) { s += '0x' + c.charCodeAt(0).toString(16); } else { s += '['; for (var j=0; j<c.length; j++) { if (j>0) { s+=','; } s += '0x' + c.charCodeAt(j).toString(16); } s += ']'; } s += ','; if (i%2==1 || i===keys.length-1) { s+='\n'; } } s += '};\n'; // Construct a regular expression matching exactly the keys of this table. var esc = function(s) { return s.replace(/[\^\\$*+?.()|{}\[\]\/]/g, '\\$&'); }; var prefix = function(keys) { console.assert(keys.length>0 && keys[0].length>0); var first = '', subkeys, accept; var result = []; var emit = function() { if (first==='') { return; } var sub = subkeys.length > 0 ? prefix(subkeys) : []; if (accept) { sub.push(''); } sub = sub.length>1 ? ('(?:' + sub.join('|') + ')') : sub[0]; if (sub==='(?:;|)') { sub = ';?'; /* optimization */ } result.push(esc(first) + sub); }; for (var i=0; i<keys.length; i++) { if (keys[i][0] !== first) { emit(); first = keys[i][0]; subkeys = []; accept = false; } if (keys[i].length>1) { subkeys.push(keys[i].slice(1)); } else { accept = true; } } emit(); return result; }; var re = prefix(keys).join('|'); s += '/*\n'; s += ' * This regexp is generated with test/tools/update-entities.js\n'; s += ' * It will always match at least one character -- but note that there\n'; s += ' * are no entities whose names are a single character long.\n'; s += ' */\n'; s += 'var NAMEDCHARREF = /(' + re + ')|[\\s\\S]/g;\n'; // Verify the property mentioned in the comment above. var lens = keys.map(function(s) { return s.length; }); var minlen = Math.min.apply(Math, lens); var maxlen = Math.max.apply(Math, lens); console.assert(minlen > 1); s += '\nvar NAMEDCHARREF_MAXLEN = ' + maxlen + ';\n'; // Emit the result console.log(s);