exports.parse = exports.decode = decode
|
|
exports.stringify = exports.encode = encode
|
|
exports.safe = safe
|
exports.unsafe = unsafe
|
|
var eol = typeof process !== 'undefined' &&
|
process.platform === 'win32' ? '\r\n' : '\n'
|
|
function encode (obj, opt) {
|
var children = []
|
var 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 = {}
|
var p = out
|
var section = null
|
// section |key = value
|
var re = /^\[([^\]]*)\]$|^([^=]+)(=(.*))?$/i
|
var lines = str.split(/[\r\n]+/g)
|
|
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])
|
if (section === '__proto__') {
|
// not allowed
|
// keep parsing the section, but don't attach it.
|
p = {}
|
return
|
}
|
p = out[section] = out[section] || {}
|
return
|
}
|
var key = unsafe(match[2])
|
if (key === '__proto__')
|
return
|
var 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 (key === '__proto__')
|
return
|
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)
|
var p = out
|
var l = parts.pop()
|
var nl = l.replace(/\\\./g, '.')
|
parts.forEach(function (part, _, __) {
|
if (part === '__proto__')
|
return
|
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.trim()
|
}
|
return val
|
}
|
