| |
| exports.parse = exports.decode = decode |
| exports.stringify = exports.encode = encode |
| |
| exports.safe = safe |
| exports.unsafe = unsafe |
| |
| var eol = process.platform === "win32" ? "\r\n" : "\n" |
| |
| function encode (obj, opt) { |
| var children = [] |
| , out = "" |
| |
| if (typeof opt === "string") { |
| opt = { |
| section: opt, |
| whitespace: false |
| } |
| } else { |
| opt = opt || {} |
| opt.whitespace = opt.whitespace === true |
| } |
| |
| var separator = opt.whitespace ? " = " : "=" |
| |
| Object.keys(obj).forEach(function (k, _, __) { |
| var val = obj[k] |
| if (val && Array.isArray(val)) { |
| val.forEach(function(item) { |
| out += safe(k + "[]") + separator + safe(item) + "\n" |
| }) |
| } |
| else if (val && typeof val === "object") { |
| children.push(k) |
| } else { |
| out += safe(k) + separator + safe(val) + eol |
| } |
| }) |
| |
| if (opt.section && out.length) { |
| out = "[" + safe(opt.section) + "]" + eol + out |
| } |
| |
| children.forEach(function (k, _, __) { |
| var nk = dotSplit(k).join('\\.') |
| var section = (opt.section ? opt.section + "." : "") + nk |
| var child = encode(obj[k], { |
| section: section, |
| whitespace: opt.whitespace |
| }) |
| if (out.length && child.length) { |
| out += eol |
| } |
| out += child |
| }) |
| |
| return out |
| } |
| |
| function dotSplit (str) { |
| return str.replace(/\1/g, '\u0002LITERAL\\1LITERAL\u0002') |
| .replace(/\\\./g, '\u0001') |
| .split(/\./).map(function (part) { |
| return part.replace(/\1/g, '\\.') |
| .replace(/\2LITERAL\\1LITERAL\2/g, '\u0001') |
| }) |
| } |
| |
| function decode (str) { |
| var out = {} |
| , p = out |
| , section = null |
| , state = "START" |
| // section |key = value |
| , re = /^\[([^\]]*)\]$|^([^=]+)(=(.*))?$/i |
| , lines = str.split(/[\r\n]+/g) |
| , section = null |
| |
| lines.forEach(function (line, _, __) { |
| if (!line || line.match(/^\s*[;#]/)) return |
| var match = line.match(re) |
| if (!match) return |
| if (match[1] !== undefined) { |
| section = unsafe(match[1]) |
| p = out[section] = out[section] || {} |
| return |
| } |
| var key = unsafe(match[2]) |
| , value = match[3] ? unsafe((match[4] || "")) : true |
| switch (value) { |
| case 'true': |
| case 'false': |
| case 'null': value = JSON.parse(value) |
| } |
| |
| // Convert keys with '[]' suffix to an array |
| if (key.length > 2 && key.slice(-2) === "[]") { |
| key = key.substring(0, key.length - 2) |
| if (!p[key]) { |
| p[key] = [] |
| } |
| else if (!Array.isArray(p[key])) { |
| p[key] = [p[key]] |
| } |
| } |
| |
| // safeguard against resetting a previously defined |
| // array by accidentally forgetting the brackets |
| if (Array.isArray(p[key])) { |
| p[key].push(value) |
| } |
| else { |
| p[key] = value |
| } |
| }) |
| |
| // {a:{y:1},"a.b":{x:2}} --> {a:{y:1,b:{x:2}}} |
| // use a filter to return the keys that have to be deleted. |
| Object.keys(out).filter(function (k, _, __) { |
| if (!out[k] || typeof out[k] !== "object" || Array.isArray(out[k])) return false |
| // see if the parent section is also an object. |
| // if so, add it to that, and mark this one for deletion |
| var parts = dotSplit(k) |
| , p = out |
| , l = parts.pop() |
| , nl = l.replace(/\\\./g, '.') |
| parts.forEach(function (part, _, __) { |
| if (!p[part] || typeof p[part] !== "object") p[part] = {} |
| p = p[part] |
| }) |
| if (p === out && nl === l) return false |
| p[nl] = out[k] |
| return true |
| }).forEach(function (del, _, __) { |
| delete out[del] |
| }) |
| |
| return out |
| } |
| |
| function isQuoted (val) { |
| return (val.charAt(0) === "\"" && val.slice(-1) === "\"") |
| || (val.charAt(0) === "'" && val.slice(-1) === "'") |
| } |
| |
| function safe (val) { |
| return ( typeof val !== "string" |
| || val.match(/[=\r\n]/) |
| || val.match(/^\[/) |
| || (val.length > 1 |
| && isQuoted(val)) |
| || val !== val.trim() ) |
| ? JSON.stringify(val) |
| : val.replace(/;/g, '\\;').replace(/#/g, "\\#") |
| } |
| |
| function unsafe (val, doUnesc) { |
| val = (val || "").trim() |
| if (isQuoted(val)) { |
| // remove the single quotes before calling JSON.parse |
| if (val.charAt(0) === "'") { |
| val = val.substr(1, val.length - 2); |
| } |
| try { val = JSON.parse(val) } catch (_) {} |
| } else { |
| // walk the val to find the first not-escaped ; character |
| var esc = false |
| var unesc = ""; |
| for (var i = 0, l = val.length; i < l; i++) { |
| var c = val.charAt(i) |
| if (esc) { |
| if ("\\;#".indexOf(c) !== -1) |
| unesc += c |
| else |
| unesc += "\\" + c |
| esc = false |
| } else if (";#".indexOf(c) !== -1) { |
| break |
| } else if (c === "\\") { |
| esc = true |
| } else { |
| unesc += c |
| } |
| } |
| if (esc) |
| unesc += "\\" |
| return unesc |
| } |
| return val |
| } |