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PKOZ�\A����package.jsonnu�[���{
  "_id": "spdx-expression-parse@4.0.0",
  "_inBundle": true,
  "_location": "/npm/spdx-expression-parse",
  "_phantomChildren": {},
  "_requiredBy": [
    "/npm"
  ],
  "author": {
    "name": "Kyle E. Mitchell",
    "email": "kyle@kemitchell.com",
    "url": "https://kemitchell.com"
  },
  "bugs": {
    "url": "https://github.com/jslicense/spdx-expression-parse.js/issues"
  },
  "contributors": [
    {
      "name": "C. Scott Ananian",
      "email": "cscott@cscott.net",
      "url": "http://cscott.net"
    },
    {
      "name": "Kyle E. Mitchell",
      "email": "kyle@kemitchell.com",
      "url": "https://kemitchell.com"
    },
    {
      "name": "Shinnosuke Watanabe",
      "email": "snnskwtnb@gmail.com"
    },
    {
      "name": "Antoine Motet",
      "email": "antoine.motet@gmail.com"
    }
  ],
  "dependencies": {
    "spdx-exceptions": "^2.1.0",
    "spdx-license-ids": "^3.0.0"
  },
  "description": "parse SPDX license expressions",
  "devDependencies": {
    "defence-cli": "^3.0.1",
    "replace-require-self": "^1.0.0",
    "standard": "^14.1.0"
  },
  "files": [
    "AUTHORS",
    "index.js",
    "parse.js",
    "scan.js"
  ],
  "homepage": "https://github.com/jslicense/spdx-expression-parse.js#readme",
  "keywords": [
    "SPDX",
    "law",
    "legal",
    "license",
    "metadata",
    "package",
    "package.json",
    "standards"
  ],
  "license": "MIT",
  "name": "spdx-expression-parse",
  "repository": {
    "type": "git",
    "url": "git+https://github.com/jslicense/spdx-expression-parse.js.git"
  },
  "scripts": {
    "lint": "standard",
    "test": "npm run test:suite && npm run test:readme",
    "test:readme": "defence -i javascript README.md | replace-require-self | node",
    "test:suite": "node test.js"
  },
  "version": "4.0.0"
}
PKOZ�\����WWLICENSEnu�[���The MIT License

Copyright (c) 2015 Kyle E. Mitchell & other authors listed in AUTHORS

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
PKOZ�\�]M��index.jsnu�[���'use strict'

var scan = require('./scan')
var parse = require('./parse')

module.exports = function (source) {
  return parse(scan(source))
}
PKOZ�\��Y�UUparse.jsnu�[���'use strict'

// The ABNF grammar in the spec is totally ambiguous.
//
// This parser follows the operator precedence defined in the
// `Order of Precedence and Parentheses` section.

module.exports = function (tokens) {
  var index = 0

  function hasMore () {
    return index < tokens.length
  }

  function token () {
    return hasMore() ? tokens[index] : null
  }

  function next () {
    if (!hasMore()) {
      throw new Error()
    }
    index++
  }

  function parseOperator (operator) {
    var t = token()
    if (t && t.type === 'OPERATOR' && operator === t.string) {
      next()
      return t.string
    }
  }

  function parseWith () {
    if (parseOperator('WITH')) {
      var t = token()
      if (t && t.type === 'EXCEPTION') {
        next()
        return t.string
      }
      throw new Error('Expected exception after `WITH`')
    }
  }

  function parseLicenseRef () {
    // TODO: Actually, everything is concatenated into one string
    // for backward-compatibility but it could be better to return
    // a nice structure.
    var begin = index
    var string = ''
    var t = token()
    if (t.type === 'DOCUMENTREF') {
      next()
      string += 'DocumentRef-' + t.string + ':'
      if (!parseOperator(':')) {
        throw new Error('Expected `:` after `DocumentRef-...`')
      }
    }
    t = token()
    if (t.type === 'LICENSEREF') {
      next()
      string += 'LicenseRef-' + t.string
      return { license: string }
    }
    index = begin
  }

  function parseLicense () {
    var t = token()
    if (t && t.type === 'LICENSE') {
      next()
      var node = { license: t.string }
      if (parseOperator('+')) {
        node.plus = true
      }
      var exception = parseWith()
      if (exception) {
        node.exception = exception
      }
      return node
    }
  }

  function parseParenthesizedExpression () {
    var left = parseOperator('(')
    if (!left) {
      return
    }

    var expr = parseExpression()

    if (!parseOperator(')')) {
      throw new Error('Expected `)`')
    }

    return expr
  }

  function parseAtom () {
    return (
      parseParenthesizedExpression() ||
      parseLicenseRef() ||
      parseLicense()
    )
  }

  function makeBinaryOpParser (operator, nextParser) {
    return function parseBinaryOp () {
      var left = nextParser()
      if (!left) {
        return
      }

      if (!parseOperator(operator)) {
        return left
      }

      var right = parseBinaryOp()
      if (!right) {
        throw new Error('Expected expression')
      }
      return {
        left: left,
        conjunction: operator.toLowerCase(),
        right: right
      }
    }
  }

  var parseAnd = makeBinaryOpParser('AND', parseAtom)
  var parseExpression = makeBinaryOpParser('OR', parseAnd)

  var node = parseExpression()
  if (!node || hasMore()) {
    throw new Error('Syntax error')
  }
  return node
}
PKOZ�\���4�
�
scan.jsnu�[���'use strict'

var licenses = []
  .concat(require('spdx-license-ids'))
  .concat(require('spdx-license-ids/deprecated'))
var exceptions = require('spdx-exceptions')

module.exports = function (source) {
  var index = 0

  function hasMore () {
    return index < source.length
  }

  // `value` can be a regexp or a string.
  // If it is recognized, the matching source string is returned and
  // the index is incremented. Otherwise `undefined` is returned.
  function read (value) {
    if (value instanceof RegExp) {
      var chars = source.slice(index)
      var match = chars.match(value)
      if (match) {
        index += match[0].length
        return match[0]
      }
    } else {
      if (source.indexOf(value, index) === index) {
        index += value.length
        return value
      }
    }
  }

  function skipWhitespace () {
    read(/[ ]*/)
  }

  function operator () {
    var string
    var possibilities = [/^WITH/i, /^AND/i, /^OR/i, '(', ')', ':', '+']
    for (var i = 0; i < possibilities.length; i++) {
      string = read(possibilities[i])
      if (string) {
        break
      }
    }

    if (string === '+' && index > 1 && source[index - 2] === ' ') {
      throw new Error('Space before `+`')
    }

    return string && {
      type: 'OPERATOR',
      string: string.toUpperCase()
    }
  }

  function idstring () {
    return read(/[A-Za-z0-9-.]+/)
  }

  function expectIdstring () {
    var string = idstring()
    if (!string) {
      throw new Error('Expected idstring at offset ' + index)
    }
    return string
  }

  function documentRef () {
    if (read('DocumentRef-')) {
      var string = expectIdstring()
      return { type: 'DOCUMENTREF', string: string }
    }
  }

  function licenseRef () {
    if (read('LicenseRef-')) {
      var string = expectIdstring()
      return { type: 'LICENSEREF', string: string }
    }
  }

  function identifier () {
    var begin = index
    var string = idstring()

    if (licenses.indexOf(string) !== -1) {
      return {
        type: 'LICENSE',
        string: string
      }
    } else if (exceptions.indexOf(string) !== -1) {
      return {
        type: 'EXCEPTION',
        string: string
      }
    }

    index = begin
  }

  // Tries to read the next token. Returns `undefined` if no token is
  // recognized.
  function parseToken () {
    // Ordering matters
    return (
      operator() ||
      documentRef() ||
      licenseRef() ||
      identifier()
    )
  }

  var tokens = []
  while (hasMore()) {
    skipWhitespace()
    if (!hasMore()) {
      break
    }

    var token = parseToken()
    if (!token) {
      throw new Error('Unexpected `' + source[index] +
                      '` at offset ' + index)
    }

    tokens.push(token)
  }
  return tokens
}
PKOZ�\BF�.��AUTHORSnu�[���C. Scott Ananian <cscott@cscott.net> (http://cscott.net)
Kyle E. Mitchell <kyle@kemitchell.com> (https://kemitchell.com)
Shinnosuke Watanabe <snnskwtnb@gmail.com>
Antoine Motet <antoine.motet@gmail.com>
PKOZ�\A����package.jsonnu�[���PKOZ�\����WW:LICENSEnu�[���PKOZ�\�]M���index.jsnu�[���PKOZ�\��Y�UU�parse.jsnu�[���PKOZ�\���4�
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scan.jsnu�[���PKOZ�\BF�.��)#AUTHORSnu�[���PK�+$