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- 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
 
- }
 
 
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