// Generated by CoffeeScript 1.12.4
var Escaper, Pattern;

Pattern = require('./Pattern');

Escaper = (function() {
  var ch;

  function Escaper() {}

  Escaper.LIST_ESCAPEES = ['\\', '\\\\', '\\"', '"', "\x00", "\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08", "\x09", "\x0a", "\x0b", "\x0c", "\x0d", "\x0e", "\x0f", "\x10", "\x11", "\x12", "\x13", "\x14", "\x15", "\x16", "\x17", "\x18", "\x19", "\x1a", "\x1b", "\x1c", "\x1d", "\x1e", "\x1f", (ch = String.fromCharCode)(0x0085), ch(0x00A0), ch(0x2028), ch(0x2029)];

  Escaper.LIST_ESCAPED = ['\\\\', '\\"', '\\"', '\\"', "\\0", "\\x01", "\\x02", "\\x03", "\\x04", "\\x05", "\\x06", "\\a", "\\b", "\\t", "\\n", "\\v", "\\f", "\\r", "\\x0e", "\\x0f", "\\x10", "\\x11", "\\x12", "\\x13", "\\x14", "\\x15", "\\x16", "\\x17", "\\x18", "\\x19", "\\x1a", "\\e", "\\x1c", "\\x1d", "\\x1e", "\\x1f", "\\N", "\\_", "\\L", "\\P"];

  Escaper.MAPPING_ESCAPEES_TO_ESCAPED = (function() {
    var i, j, mapping, ref;
    mapping = {};
    for (i = j = 0, ref = Escaper.LIST_ESCAPEES.length; 0 <= ref ? j < ref : j > ref; i = 0 <= ref ? ++j : --j) {
      mapping[Escaper.LIST_ESCAPEES[i]] = Escaper.LIST_ESCAPED[i];
    }
    return mapping;
  })();

  Escaper.PATTERN_CHARACTERS_TO_ESCAPE = new Pattern('[\\x00-\\x1f]|\xc2\x85|\xc2\xa0|\xe2\x80\xa8|\xe2\x80\xa9');

  Escaper.PATTERN_MAPPING_ESCAPEES = new Pattern(Escaper.LIST_ESCAPEES.join('|').split('\\').join('\\\\'));

  Escaper.PATTERN_SINGLE_QUOTING = new Pattern('[\\s\'":{}[\\],&*#?]|^[-?|<>=!%@`]');

  Escaper.requiresDoubleQuoting = function(value) {
    return this.PATTERN_CHARACTERS_TO_ESCAPE.test(value);
  };

  Escaper.escapeWithDoubleQuotes = function(value) {
    var result;
    result = this.PATTERN_MAPPING_ESCAPEES.replace(value, (function(_this) {
      return function(str) {
        return _this.MAPPING_ESCAPEES_TO_ESCAPED[str];
      };
    })(this));
    return '"' + result + '"';
  };

  Escaper.requiresSingleQuoting = function(value) {
    return this.PATTERN_SINGLE_QUOTING.test(value);
  };

  Escaper.escapeWithSingleQuotes = function(value) {
    return "'" + value.replace(/'/g, "''") + "'";
  };

  return Escaper;

})();

module.exports = Escaper;