git ssb

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var decodeValueFns = {
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  group: decodeSet,
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  pairwise: decodeSet,
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  key_mgmt: decodeSet,
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  proto: decodeSet,
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  eap: decodeSet,
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  ctrl_interface: decodeObj,
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  driver_param: decodeObj,
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}
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function defaultDecodeValue(value) {
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  try {
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    return JSON.parse(value)
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  } catch(e) {}
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  var m = /^"(.*)"$/.exec(value)
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  if (m) return m[1]
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  return value
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}
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function decodeSet(value) {
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  return value.split(' ')
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}
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function decodeObj(str) {
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  var obj = {}
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  str.split(' ').map(decodeProperty).forEach(function (prop) {
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    obj[prop.name] = prop.value
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  })
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  return obj
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}
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function decodeProperty(line) {
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  var m = /^([^=]*)=(.*)$/.exec(line)
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  if (!m) return
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  var name = m[1]
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  var decodeValue = decodeValueFns[name] || defaultDecodeValue
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  return {name: name, value: decodeValue(m[2])}
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}
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module.exports = function decodeConfig(txt) {
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  var lines = txt.split(/\s*[\n\r]+\s*/g)
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  var state = 'begin'
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  var preNetworkComments = []
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  var prop
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  var network
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  var conf = {
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    networks: []
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  }
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  lines.forEach(function (line) {
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    line = line.trim()
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    switch (state) {
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      case 'begin':
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        if (line[0] === '#') {
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          preNetworkComments.push(line.substr(1))
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        } else if (/^network={/.test(line)) {
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          state = 'network'
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          network = {}
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          conf.networks.push(network)
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          if (preNetworkComments.length > 0) {
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            network._comment = preNetworkComments.join('\n')
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            preNetworkComments = []
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          }
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        } else if (prop = decodeProperty(line)) {
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          conf[prop.name] = prop.value
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          if (preNetworkComments.length > 0) {
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            // should comments before global config items be handled?
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            preNetworkComments = []
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          }
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        }
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        break
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      case 'network':
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        if (line[0] === '#') {
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          // should comments in network blocks be handled?
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        } else if (line === '}') {
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          state = 'begin'
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        } else if (prop = decodeProperty(line)) {
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          network[prop.name] = prop.value
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        } else {
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          throw new Error('unexpected line in network block: ' + line)
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        }
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        break
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    }
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  })
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  return conf
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}
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