svgpath.js

parser = (function() {
  /*
   * Generated by PEG.js 0.8.0.
   *
   * http://pegjs.majda.cz/
   */

  function peg$subclass(child, parent) {
    function ctor() { this.constructor = child; }
    ctor.prototype = parent.prototype;
    child.prototype = new ctor();
  }

  function SyntaxError(message, expected, found, offset, line, column) {
    this.message  = message;
    this.expected = expected;
    this.found    = found;
    this.offset   = offset;
    this.line     = line;
    this.column   = column;

    this.name     = "SyntaxError";
  }

  peg$subclass(SyntaxError, Error);

  function parse(input) {
    var options = arguments.length > 1 ? arguments[1] : {},

        peg$FAILED = {},

        peg$startRuleFunctions = { svg_path: peg$parsesvg_path },
        peg$startRuleFunction  = peg$parsesvg_path,

        peg$c0 = peg$FAILED,
        peg$c1 = [],
        peg$c2 = null,
        peg$c3 = function(d) { return ops; },
        peg$c4 = /^[Mm]/,
        peg$c5 = { type: "class", value: "[Mm]", description: "[Mm]" },
        peg$c6 = function(ch, args) {
              var moveCh = ch
              // If this is the first move cmd then force it to be absolute.
              if (firstSubPath) {
                moveCh = 'M';
                firstSubPath = false;
              }
              ops.push({type: 'moveTo', args: makeAbsolute(moveCh, args[0])});
              for (var i=1; i < args.length; i++) {
                // The lineTo args are either abs or relative, depending on the
                // original moveto command.
                ops.push({type: 'lineTo', args: makeAbsolute(ch, args[i])});
              }
            },
        peg$c7 = function(one, rest) { return concatSequence(one, rest); },
        peg$c8 = /^[Zz]/,
        peg$c9 = { type: "class", value: "[Zz]", description: "[Zz]" },
        peg$c10 = function() { ops.push({type: 'closePath', args: []}); },
        peg$c11 = /^[Ll]/,
        peg$c12 = { type: "class", value: "[Ll]", description: "[Ll]" },
        peg$c13 = function(ch, args) {
              for (var i=0; i < args.length; i++) {
                ops.push({type: 'lineTo', args: makeAbsolute(ch, args[i])});
              }
            },
        peg$c14 = /^[Hh]/,
        peg$c15 = { type: "class", value: "[Hh]", description: "[Hh]" },
        peg$c16 = function(ch, args) {
            for (var i=0; i < args.length; i++) {
              ops.push({type: 'lineTo', args: makeAbsoluteFromX(ch, args[i])});
            }
          },
        peg$c17 = /^[Vv]/,
        peg$c18 = { type: "class", value: "[Vv]", description: "[Vv]" },
        peg$c19 = function(ch, args) {
            for (var i=0; i < args.length; i++) {
              ops.push({type: 'lineTo', args: makeAbsoluteFromY(ch, args[i])});
            }
          },
        peg$c20 = /^[Cc]/,
        peg$c21 = { type: "class", value: "[Cc]", description: "[Cc]" },
        peg$c22 = function(ch, args) {
            for (var i=0; i < args.length; i++) {
              ops.push({type: 'bezierCurveTo', args: makeAbsoluteMultiple(ch, args[i])});
            }
          },
        peg$c23 = function(cp1, cp2, last) { return cp1.concat(cp2, last); },
        peg$c24 = /^[Ss]/,
        peg$c25 = { type: "class", value: "[Ss]", description: "[Ss]" },
        peg$c26 = function(ch, args) {
            for (var i=0; i < args.length; i++) {
              ops.push({type: 'bezierCurveTo', args: makeReflected().concat(makeAbsoluteMultiple(ch, args[i]))});
            }
          },
        peg$c27 = function(cp1, last) { return cp1.concat(last); },
        peg$c28 = /^[Qq]/,
        peg$c29 = { type: "class", value: "[Qq]", description: "[Qq]" },
        peg$c30 = function(ch, args) {
            for (var i=0; i < args.length; i++) {
              ops.push({type: 'quadraticCurveTo', args: makeAbsoluteMultiple(ch, args[i])});
            }
          },
        peg$c31 = /^[Tt]/,
        peg$c32 = { type: "class", value: "[Tt]", description: "[Tt]" },
        peg$c33 = function(ch, args) {
            for (var i=0; i < args.length; i++) {
              var reflected = makeReflected();
              ops.push({type: 'quadraticCurveTo', args: reflected.concat(makeAbsoluteMultiple(ch, args[i]))});
              lastControl = reflected.slice(0);
            }
          },
        peg$c34 = /^[Aa]/,
        peg$c35 = { type: "class", value: "[Aa]", description: "[Aa]" },
        peg$c36 = function(ch, args) {
            for (var i=0; i < args.length; i++) {
              var x1 = [lastCoord.slice()];
              var x2 = [makeAbsolute(ch, args[i].slice(-2))];
              absArgs = x1.concat(args[i].slice(0, -2), x2);
              ellipseFromEllipticalArc.apply(this, absArgs);
            }
          },
        peg$c37 = function(rx, ry, xrot, large, sweep, last) { return [parseFloat(rx), parseFloat(ry), parseFloat(flatten(xrot).join('')), parseInt(large), parseInt(sweep), last[0], last[1]]; },
        peg$c38 = function(x, y) { return [x, y] },
        peg$c39 = function(number) { return parseFloat(flatten(number).join('')) },
        peg$c40 = "0",
        peg$c41 = { type: "literal", value: "0", description: "\"0\"" },
        peg$c42 = "1",
        peg$c43 = { type: "literal", value: "1", description: "\"1\"" },
        peg$c44 = ",",
        peg$c45 = { type: "literal", value: ",", description: "\",\"" },
        peg$c46 = ".",
        peg$c47 = { type: "literal", value: ".", description: "\".\"" },
        peg$c48 = /^[eE]/,
        peg$c49 = { type: "class", value: "[eE]", description: "[eE]" },
        peg$c50 = "+",
        peg$c51 = { type: "literal", value: "+", description: "\"+\"" },
        peg$c52 = "-",
        peg$c53 = { type: "literal", value: "-", description: "\"-\"" },
        peg$c54 = /^[0-9]/,
        peg$c55 = { type: "class", value: "[0-9]", description: "[0-9]" },
        peg$c56 = function(digits) { return digits.join('') },
        peg$c57 = /^[ \t\n\r]/,
        peg$c58 = { type: "class", value: "[ \\t\\n\\r]", description: "[ \\t\\n\\r]" },

        peg$currPos          = 0,
        peg$reportedPos      = 0,
        peg$cachedPos        = 0,
        peg$cachedPosDetails = { line: 1, column: 1, seenCR: false },
        peg$maxFailPos       = 0,
        peg$maxFailExpected  = [],
        peg$silentFails      = 0,

        peg$result;

    if ("startRule" in options) {
      if (!(options.startRule in peg$startRuleFunctions)) {
        throw new Error("Can't start parsing from rule \"" + options.startRule + "\".");
      }

      peg$startRuleFunction = peg$startRuleFunctions[options.startRule];
    }

    function text() {
      return input.substring(peg$reportedPos, peg$currPos);
    }

    function offset() {
      return peg$reportedPos;
    }

    function line() {
      return peg$computePosDetails(peg$reportedPos).line;
    }

    function column() {
      return peg$computePosDetails(peg$reportedPos).column;
    }

    function expected(description) {
      throw peg$buildException(
        null,
        [{ type: "other", description: description }],
        peg$reportedPos
      );
    }

    function error(message) {
      throw peg$buildException(message, null, peg$reportedPos);
    }

    function peg$computePosDetails(pos) {
      function advance(details, startPos, endPos) {
        var p, ch;

        for (p = startPos; p < endPos; p++) {
          ch = input.charAt(p);
          if (ch === "\n") {
            if (!details.seenCR) { details.line++; }
            details.column = 1;
            details.seenCR = false;
          } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
            details.line++;
            details.column = 1;
            details.seenCR = true;
          } else {
            details.column++;
            details.seenCR = false;
          }
        }
      }

      if (peg$cachedPos !== pos) {
        if (peg$cachedPos > pos) {
          peg$cachedPos = 0;
          peg$cachedPosDetails = { line: 1, column: 1, seenCR: false };
        }
        advance(peg$cachedPosDetails, peg$cachedPos, pos);
        peg$cachedPos = pos;
      }

      return peg$cachedPosDetails;
    }

    function peg$fail(expected) {
      if (peg$currPos < peg$maxFailPos) { return; }

      if (peg$currPos > peg$maxFailPos) {
        peg$maxFailPos = peg$currPos;
        peg$maxFailExpected = [];
      }

      peg$maxFailExpected.push(expected);
    }

    function peg$buildException(message, expected, pos) {
      function cleanupExpected(expected) {
        var i = 1;

        expected.sort(function(a, b) {
          if (a.description < b.description) {
            return -1;
          } else if (a.description > b.description) {
            return 1;
          } else {
            return 0;
          }
        });

        while (i < expected.length) {
          if (expected[i - 1] === expected[i]) {
            expected.splice(i, 1);
          } else {
            i++;
          }
        }
      }

      function buildMessage(expected, found) {
        function stringEscape(s) {
          function hex(ch) { return ch.charCodeAt(0).toString(16).toUpperCase(); }

          return s
            .replace(/\\/g,   '\\\\')
            .replace(/"/g,    '\\"')
            .replace(/\x08/g, '\\b')
            .replace(/\t/g,   '\\t')
            .replace(/\n/g,   '\\n')
            .replace(/\f/g,   '\\f')
            .replace(/\r/g,   '\\r')
            .replace(/[\x00-\x07\x0B\x0E\x0F]/g, function(ch) { return '\\x0' + hex(ch); })
            .replace(/[\x10-\x1F\x80-\xFF]/g,    function(ch) { return '\\x'  + hex(ch); })
            .replace(/[\u0180-\u0FFF]/g,         function(ch) { return '\\u0' + hex(ch); })
            .replace(/[\u1080-\uFFFF]/g,         function(ch) { return '\\u'  + hex(ch); });
        }

        var expectedDescs = new Array(expected.length),
            expectedDesc, foundDesc, i;

        for (i = 0; i < expected.length; i++) {
          expectedDescs[i] = expected[i].description;
        }

        expectedDesc = expected.length > 1
          ? expectedDescs.slice(0, -1).join(", ")
              + " or "
              + expectedDescs[expected.length - 1]
          : expectedDescs[0];

        foundDesc = found ? "\"" + stringEscape(found) + "\"" : "end of input";

        return "Expected " + expectedDesc + " but " + foundDesc + " found.";
      }

      var posDetails = peg$computePosDetails(pos),
          found      = pos < input.length ? input.charAt(pos) : null;

      if (expected !== null) {
        cleanupExpected(expected);
      }

      return new SyntaxError(
        message !== null ? message : buildMessage(expected, found),
        expected,
        found,
        pos,
        posDetails.line,
        posDetails.column
      );
    }

    function peg$parsesvg_path() {
      var s0, s1, s2, s3, s4;

      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parsewsp();
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parsewsp();
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsemoveTo_drawTo_commandGroups();
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          s3 = [];
          s4 = peg$parsewsp();
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parsewsp();
          }
          if (s3 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c3(s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsemoveTo_drawTo_commandGroups() {
      var s0, s1, s2, s3, s4;

      s0 = peg$currPos;
      s1 = peg$parsemoveTo_drawTo_commandGroup();
      if (s1 !== peg$FAILED) {
        s2 = peg$currPos;
        s3 = [];
        s4 = peg$parsewsp();
        while (s4 !== peg$FAILED) {
          s3.push(s4);
          s4 = peg$parsewsp();
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parsemoveTo_drawTo_commandGroups();
          if (s4 !== peg$FAILED) {
            s3 = [s3, s4];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$c0;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$c0;
        }
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          s1 = [s1, s2];
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsemoveTo_drawTo_commandGroup() {
      var s0, s1, s2, s3, s4;

      s0 = peg$currPos;
      s1 = peg$parsemoveto();
      if (s1 !== peg$FAILED) {
        s2 = peg$currPos;
        s3 = [];
        s4 = peg$parsewsp();
        while (s4 !== peg$FAILED) {
          s3.push(s4);
          s4 = peg$parsewsp();
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parsedrawto_commands();
          if (s4 !== peg$FAILED) {
            s3 = [s3, s4];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$c0;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$c0;
        }
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          s1 = [s1, s2];
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsedrawto_commands() {
      var s0, s1, s2, s3, s4;

      s0 = peg$currPos;
      s1 = peg$parsedrawto_command();
      if (s1 !== peg$FAILED) {
        s2 = peg$currPos;
        s3 = [];
        s4 = peg$parsewsp();
        while (s4 !== peg$FAILED) {
          s3.push(s4);
          s4 = peg$parsewsp();
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parsedrawto_commands();
          if (s4 !== peg$FAILED) {
            s3 = [s3, s4];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$c0;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$c0;
        }
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          s1 = [s1, s2];
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsedrawto_command() {
      var s0;

      s0 = peg$parseclosepath();
      if (s0 === peg$FAILED) {
        s0 = peg$parselineto();
        if (s0 === peg$FAILED) {
          s0 = peg$parsehorizontal_lineto();
          if (s0 === peg$FAILED) {
            s0 = peg$parsevertical_lineto();
            if (s0 === peg$FAILED) {
              s0 = peg$parsecurveto();
              if (s0 === peg$FAILED) {
                s0 = peg$parsesmooth_curveto();
                if (s0 === peg$FAILED) {
                  s0 = peg$parsequadratic_bezier_curveto();
                  if (s0 === peg$FAILED) {
                    s0 = peg$parsesmooth_quadratic_bezier_curveto();
                    if (s0 === peg$FAILED) {
                      s0 = peg$parseelliptical_arc();
                    }
                  }
                }
              }
            }
          }
        }
      }

      return s0;
    }

    function peg$parsemoveto() {
      var s0, s1, s2, s3;

      s0 = peg$currPos;
      if (peg$c4.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c5); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parsewsp();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parsewsp();
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsemoveto_argument_sequence();
          if (s3 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c6(s1, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsemoveto_argument_sequence() {
      var s0, s1, s2, s3, s4;

      s0 = peg$currPos;
      s1 = peg$parsecoordinate_pair();
      if (s1 !== peg$FAILED) {
        s2 = peg$currPos;
        s3 = peg$parsecomma_wsp();
        if (s3 === peg$FAILED) {
          s3 = peg$c2;
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parselineto_argument_sequence();
          if (s4 !== peg$FAILED) {
            s3 = [s3, s4];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$c0;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$c0;
        }
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c7(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parseclosepath() {
      var s0, s1;

      s0 = peg$currPos;
      if (peg$c8.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c9); }
      }
      if (s1 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c10();
      }
      s0 = s1;

      return s0;
    }

    function peg$parselineto() {
      var s0, s1, s2, s3;

      s0 = peg$currPos;
      if (peg$c11.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c12); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parsewsp();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parsewsp();
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parselineto_argument_sequence();
          if (s3 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c13(s1, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parselineto_argument_sequence() {
      var s0, s1, s2, s3, s4;

      s0 = peg$currPos;
      s1 = peg$parsecoordinate_pair();
      if (s1 !== peg$FAILED) {
        s2 = peg$currPos;
        s3 = peg$parsecomma_wsp();
        if (s3 === peg$FAILED) {
          s3 = peg$c2;
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parselineto_argument_sequence();
          if (s4 !== peg$FAILED) {
            s3 = [s3, s4];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$c0;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$c0;
        }
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c7(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsehorizontal_lineto() {
      var s0, s1, s2, s3;

      s0 = peg$currPos;
      if (peg$c14.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c15); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parsewsp();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parsewsp();
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsecoordinate_sequence();
          if (s3 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c16(s1, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsecoordinate_sequence() {
      var s0, s1, s2, s3, s4;

      s0 = peg$currPos;
      s1 = peg$parsecoordinate();
      if (s1 !== peg$FAILED) {
        s2 = peg$currPos;
        s3 = peg$parsecomma_wsp();
        if (s3 === peg$FAILED) {
          s3 = peg$c2;
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parsecoordinate_sequence();
          if (s4 !== peg$FAILED) {
            s3 = [s3, s4];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$c0;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$c0;
        }
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c7(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsevertical_lineto() {
      var s0, s1, s2, s3;

      s0 = peg$currPos;
      if (peg$c17.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c18); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parsewsp();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parsewsp();
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsecoordinate_sequence();
          if (s3 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c19(s1, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsecurveto() {
      var s0, s1, s2, s3;

      s0 = peg$currPos;
      if (peg$c20.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c21); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parsewsp();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parsewsp();
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsecurveto_argument_sequence();
          if (s3 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c22(s1, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsecurveto_argument_sequence() {
      var s0, s1, s2, s3, s4;

      s0 = peg$currPos;
      s1 = peg$parsecurveto_argument();
      if (s1 !== peg$FAILED) {
        s2 = peg$currPos;
        s3 = peg$parsecomma_wsp();
        if (s3 === peg$FAILED) {
          s3 = peg$c2;
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parsecurveto_argument_sequence();
          if (s4 !== peg$FAILED) {
            s3 = [s3, s4];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$c0;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$c0;
        }
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c7(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsecurveto_argument() {
      var s0, s1, s2, s3, s4, s5;

      s0 = peg$currPos;
      s1 = peg$parsecoordinate_pair();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsecomma_wsp();
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsecoordinate_pair();
          if (s3 !== peg$FAILED) {
            s4 = peg$parsecomma_wsp();
            if (s4 === peg$FAILED) {
              s4 = peg$c2;
            }
            if (s4 !== peg$FAILED) {
              s5 = peg$parsecoordinate_pair();
              if (s5 !== peg$FAILED) {
                peg$reportedPos = s0;
                s1 = peg$c23(s1, s3, s5);
                s0 = s1;
              } else {
                peg$currPos = s0;
                s0 = peg$c0;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$c0;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsesmooth_curveto() {
      var s0, s1, s2, s3;

      s0 = peg$currPos;
      if (peg$c24.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c25); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parsewsp();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parsewsp();
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsesmooth_curveto_argument_sequence();
          if (s3 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c26(s1, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsesmooth_curveto_argument_sequence() {
      var s0, s1, s2, s3, s4;

      s0 = peg$currPos;
      s1 = peg$parsesmooth_curveto_argument();
      if (s1 !== peg$FAILED) {
        s2 = peg$currPos;
        s3 = peg$parsecomma_wsp();
        if (s3 === peg$FAILED) {
          s3 = peg$c2;
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parsesmooth_curveto_argument_sequence();
          if (s4 !== peg$FAILED) {
            s3 = [s3, s4];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$c0;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$c0;
        }
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c7(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsesmooth_curveto_argument() {
      var s0, s1, s2, s3;

      s0 = peg$currPos;
      s1 = peg$parsecoordinate_pair();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsecomma_wsp();
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsecoordinate_pair();
          if (s3 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c27(s1, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsequadratic_bezier_curveto() {
      var s0, s1, s2, s3;

      s0 = peg$currPos;
      if (peg$c28.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c29); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parsewsp();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parsewsp();
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsequadratic_bezier_curveto_argument_sequence();
          if (s3 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c30(s1, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsequadratic_bezier_curveto_argument_sequence() {
      var s0, s1, s2, s3, s4;

      s0 = peg$currPos;
      s1 = peg$parsequadratic_bezier_curveto_argument();
      if (s1 !== peg$FAILED) {
        s2 = peg$currPos;
        s3 = peg$parsecomma_wsp();
        if (s3 === peg$FAILED) {
          s3 = peg$c2;
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parsequadratic_bezier_curveto_argument_sequence();
          if (s4 !== peg$FAILED) {
            s3 = [s3, s4];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$c0;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$c0;
        }
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c7(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsequadratic_bezier_curveto_argument() {
      var s0, s1, s2, s3;

      s0 = peg$currPos;
      s1 = peg$parsecoordinate_pair();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsecomma_wsp();
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsecoordinate_pair();
          if (s3 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c27(s1, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsesmooth_quadratic_bezier_curveto() {
      var s0, s1, s2, s3;

      s0 = peg$currPos;
      if (peg$c31.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c32); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parsewsp();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parsewsp();
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsesmooth_quadratic_bezier_curveto_argument_sequence();
          if (s3 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c33(s1, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsesmooth_quadratic_bezier_curveto_argument_sequence() {
      var s0, s1, s2, s3, s4;

      s0 = peg$currPos;
      s1 = peg$parsecoordinate_pair();
      if (s1 !== peg$FAILED) {
        s2 = peg$currPos;
        s3 = peg$parsecomma_wsp();
        if (s3 === peg$FAILED) {
          s3 = peg$c2;
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parsesmooth_quadratic_bezier_curveto_argument_sequence();
          if (s4 !== peg$FAILED) {
            s3 = [s3, s4];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$c0;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$c0;
        }
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c7(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parseelliptical_arc() {
      var s0, s1, s2, s3;

      s0 = peg$currPos;
      if (peg$c34.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c35); }
      }
      if (s1 !== peg$FAILED) {
        s2 = [];
        s3 = peg$parsewsp();
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parsewsp();
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parseelliptical_arc_argument_sequence();
          if (s3 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c36(s1, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parseelliptical_arc_argument_sequence() {
      var s0, s1, s2, s3, s4;

      s0 = peg$currPos;
      s1 = peg$parseelliptical_arc_argument();
      if (s1 !== peg$FAILED) {
        s2 = peg$currPos;
        s3 = peg$parsecomma_wsp();
        if (s3 === peg$FAILED) {
          s3 = peg$c2;
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parseelliptical_arc_argument_sequence();
          if (s4 !== peg$FAILED) {
            s3 = [s3, s4];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$c0;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$c0;
        }
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c7(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parseelliptical_arc_argument() {
      var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11;

      s0 = peg$currPos;
      s1 = peg$parsenonnegative_number();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsecomma_wsp();
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsenonnegative_number();
          if (s3 !== peg$FAILED) {
            s4 = peg$parsecomma_wsp();
            if (s4 === peg$FAILED) {
              s4 = peg$c2;
            }
            if (s4 !== peg$FAILED) {
              s5 = peg$parsenumber();
              if (s5 !== peg$FAILED) {
                s6 = peg$parsecomma_wsp();
                if (s6 !== peg$FAILED) {
                  s7 = peg$parseflag();
                  if (s7 !== peg$FAILED) {
                    s8 = peg$parsecomma_wsp();
                    if (s8 === peg$FAILED) {
                      s8 = peg$c2;
                    }
                    if (s8 !== peg$FAILED) {
                      s9 = peg$parseflag();
                      if (s9 !== peg$FAILED) {
                        s10 = peg$parsecomma_wsp();
                        if (s10 === peg$FAILED) {
                          s10 = peg$c2;
                        }
                        if (s10 !== peg$FAILED) {
                          s11 = peg$parsecoordinate_pair();
                          if (s11 !== peg$FAILED) {
                            peg$reportedPos = s0;
                            s1 = peg$c37(s1, s3, s5, s7, s9, s11);
                            s0 = s1;
                          } else {
                            peg$currPos = s0;
                            s0 = peg$c0;
                          }
                        } else {
                          peg$currPos = s0;
                          s0 = peg$c0;
                        }
                      } else {
                        peg$currPos = s0;
                        s0 = peg$c0;
                      }
                    } else {
                      peg$currPos = s0;
                      s0 = peg$c0;
                    }
                  } else {
                    peg$currPos = s0;
                    s0 = peg$c0;
                  }
                } else {
                  peg$currPos = s0;
                  s0 = peg$c0;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$c0;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$c0;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsecoordinate_pair() {
      var s0, s1, s2, s3;

      s0 = peg$currPos;
      s1 = peg$parsecoordinate();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsecomma_wsp();
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsecoordinate();
          if (s3 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c38(s1, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsecoordinate() {
      var s0, s1;

      s0 = peg$currPos;
      s1 = peg$parsenumber();
      if (s1 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c39(s1);
      }
      s0 = s1;

      return s0;
    }

    function peg$parsenonnegative_number() {
      var s0;

      s0 = peg$parsefloating_point_constant();
      if (s0 === peg$FAILED) {
        s0 = peg$parsedigit_sequence();
      }

      return s0;
    }

    function peg$parsenumber() {
      var s0, s1, s2;

      s0 = peg$currPos;
      s1 = peg$parsesign();
      if (s1 === peg$FAILED) {
        s1 = peg$c2;
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsefloating_point_constant();
        if (s2 !== peg$FAILED) {
          s1 = [s1, s2];
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parsesign();
        if (s1 === peg$FAILED) {
          s1 = peg$c2;
        }
        if (s1 !== peg$FAILED) {
          s2 = peg$parsedigit_sequence();
          if (s2 !== peg$FAILED) {
            s1 = [s1, s2];
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      }

      return s0;
    }

    function peg$parseflag() {
      var s0;

      if (input.charCodeAt(peg$currPos) === 48) {
        s0 = peg$c40;
        peg$currPos++;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c41); }
      }
      if (s0 === peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 49) {
          s0 = peg$c42;
          peg$currPos++;
        } else {
          s0 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c43); }
        }
      }

      return s0;
    }

    function peg$parsecomma_wsp() {
      var s0, s1, s2, s3, s4;

      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parsewsp();
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$parsewsp();
        }
      } else {
        s1 = peg$c0;
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsecomma();
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          s3 = [];
          s4 = peg$parsewsp();
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parsewsp();
          }
          if (s3 !== peg$FAILED) {
            s1 = [s1, s2, s3];
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parsecomma();
        if (s1 !== peg$FAILED) {
          s2 = [];
          s3 = peg$parsewsp();
          while (s3 !== peg$FAILED) {
            s2.push(s3);
            s3 = peg$parsewsp();
          }
          if (s2 !== peg$FAILED) {
            s1 = [s1, s2];
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      }

      return s0;
    }

    function peg$parsecomma() {
      var s0;

      if (input.charCodeAt(peg$currPos) === 44) {
        s0 = peg$c44;
        peg$currPos++;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c45); }
      }

      return s0;
    }

    function peg$parsefloating_point_constant() {
      var s0, s1, s2;

      s0 = peg$currPos;
      s1 = peg$parsefractional_constant();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseexponent();
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          s1 = [s1, s2];
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parsedigit_sequence();
        if (s1 !== peg$FAILED) {
          s2 = peg$parseexponent();
          if (s2 !== peg$FAILED) {
            s1 = [s1, s2];
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      }

      return s0;
    }

    function peg$parsefractional_constant() {
      var s0, s1, s2, s3;

      s0 = peg$currPos;
      s1 = peg$parsedigit_sequence();
      if (s1 === peg$FAILED) {
        s1 = peg$c2;
      }
      if (s1 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 46) {
          s2 = peg$c46;
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c47); }
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsedigit_sequence();
          if (s3 !== peg$FAILED) {
            s1 = [s1, s2, s3];
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parsedigit_sequence();
        if (s1 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 46) {
            s2 = peg$c46;
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c47); }
          }
          if (s2 !== peg$FAILED) {
            s1 = [s1, s2];
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      }

      return s0;
    }

    function peg$parseexponent() {
      var s0, s1, s2, s3;

      s0 = peg$currPos;
      if (peg$c48.test(input.charAt(peg$currPos))) {
        s1 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c49); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parsesign();
        if (s2 === peg$FAILED) {
          s2 = peg$c2;
        }
        if (s2 !== peg$FAILED) {
          s3 = peg$parsedigit_sequence();
          if (s3 !== peg$FAILED) {
            s1 = [s1, s2, s3];
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }

      return s0;
    }

    function peg$parsesign() {
      var s0;

      if (input.charCodeAt(peg$currPos) === 43) {
        s0 = peg$c50;
        peg$currPos++;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c51); }
      }
      if (s0 === peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 45) {
          s0 = peg$c52;
          peg$currPos++;
        } else {
          s0 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c53); }
        }
      }

      return s0;
    }

    function peg$parsedigit_sequence() {
      var s0, s1, s2;

      s0 = peg$currPos;
      s1 = [];
      if (peg$c54.test(input.charAt(peg$currPos))) {
        s2 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c55); }
      }
      if (s2 !== peg$FAILED) {
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          if (peg$c54.test(input.charAt(peg$currPos))) {
            s2 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c55); }
          }
        }
      } else {
        s1 = peg$c0;
      }
      if (s1 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c56(s1);
      }
      s0 = s1;

      return s0;
    }

    function peg$parsewsp() {
      var s0;

      if (peg$c57.test(input.charAt(peg$currPos))) {
        s0 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c58); }
      }

      return s0;
    }


      // The last coordinate we are at in the path. In absolute coords.
      var lastCoord = [0, 0];
      // The last control point we encountered in the path. In absolute coords.
      var lastControl = [0, 0];
      // The list of operations we've parsed so far.
      var ops = [];
      // Have we parsed the first sub-path yet?
      var firstSubPath = true;
      // The letter of the last parsed command.
      var lastCh = '';

      // Flatten an array.
      function flatten(a) {
        var flat = [];
        for (var i = 0; i < a.length; i++) {
          if (a[i] instanceof Array) {
            flat.push.apply(flat, flatten(a[i]));
          } else {
            flat.push(a[i]);
          }
        }
        return flat;
      }

      // Convert a position into an absolute position.
      function makeAbsolute(c, coord) {
        if ('mlazhvcsqt'.indexOf(c) === -1) {
          lastCoord = coord;
        } else {
          lastCoord[0] += coord[0];
          lastCoord[1] += coord[1];
        }
        lastCh = c;
        return lastCoord.slice(0);
      }

      // Convert a sequence of coordinates into absolute coordinates.
      //
      // For arguments that take multiple coord pairs, such as bezier.
      function makeAbsoluteMultiple(c, seq) {
        var r = [];
        var lastPosCopy = lastCoord.slice(0);
        for (var i=0; i < seq.length; i+=2) {
          // Only the last point should update lastCoord.
          lastCoord = lastPosCopy.slice(0);
          var coord = makeAbsolute(c, seq.slice(i, i+2));
          r = r.concat(coord);
          // Record the last control point, it might be needed for
          // shorthand operations.
          if (i == seq.length-4) {
            lastControl = coord.slice(0);
          }
        }
        return r;
      }

      // Find the reflection of the last control point over
      // the last postion in the path.
      function makeReflected() {
        if ('CcSsQqTt'.indexOf(lastCh) == -1) {
          lastControl = lastCoord.slice(0);
        }
        // reflected = 2*lastCoord - lastControl
        // Note the result is absolute, not relative.
        var r = [0, 0];
        r[0] = 2*lastCoord[0] - lastControl[0];
        r[1] = 2*lastCoord[1] - lastControl[1];
        return r;
      }

      function makeAbsoluteFromX(c, x) {
        var coord = [x, 0];
        if (c == 'H') {
          coord[1] = lastCoord[1];
        }
        return makeAbsolute(c, coord);
      }

      function makeAbsoluteFromY(c, y) {
        var coord = [0, y];
        if (c == 'V') {
          coord[0] = lastCoord[0];
        }
        return makeAbsolute(c, coord);
      }

      function concatSequence(one, rest) {
        var r = [one];
        if (rest && rest.length > 1) {
          var rem = rest[1];
          for (var i = 0; i < rem.length; i++) {
            r.push(rem[i]);
          }
        }
        return r;
      }

      function mag(v) {
        return Math.sqrt(Math.pow(v[0], 2) + Math.pow(v[1], 2));
      }

      function dot(u, v) {
        return (u[0]*v[0] + u[1]*v[1]);
      }

      function ratio(u, v) {
        return dot(u,v) / (mag(u)*mag(v))
      }

      function angle(u, v) {
        var sign = 1.0;
        if ((u[0]*v[1] - u[1]*v[0]) < 0) {
          sign = -1.0;
        }
        return sign * Math.acos(ratio(u,v));
      }

      function rotClockwise(v, angle) {
        var cost = Math.cos(angle);
        var sint = Math.sin(angle);
        return [cost*v[0] + sint*v[1], -1 * sint*v[0] + cost*v[1]];
      }

      function rotCounterClockwise(v, angle) {
        var cost = Math.cos(angle);
        var sint = Math.sin(angle);
        return [cost*v[0] - sint*v[1], sint*v[0] + cost*v[1]];
      }

      function midPoint(u, v) {
        return [(u[0] - v[0])/2.0, (u[1] - v[1])/2.0];
      }

      function meanVec(u, v) {
        return [(u[0] + v[0])/2.0, (u[1] + v[1])/2.0];
      }

      function pointMul(u, v) {
        return [u[0]*v[0], u[1]*v[1]];
      }

      function scale(c, v) {
        return [c*v[0], c*v[1]];
      }

      function sum(u, v) {
        return [u[0] + v[0], u[1] + v[1]];
      }

      // Convert an SVG elliptical arc to a series of canvas commands.
      //
      // x1, x2: start and stop coordinates of the ellipse.
      // rx, ry: radii of the ellipse.
      // phi: rotation of the ellipse.
      // fA: large arc flag.
      // fS: sweep flag.
      function ellipseFromEllipticalArc(x1, rx, ry, phi, fA, fS, x2) {
        // Convert from endpoint to center parametrization, as detailed in:
        //   http://www.w3.org/TR/SVG/implnote.html#ArcImplementationNotes
        if (rx == 0 || ry == 0) {
          ops.push({type: 'lineTo', args: x2});
          return;
        }
        var phi = phi * (Math.PI / 180.0);
        rx = Math.abs(rx);
        ry = Math.abs(ry);
        var xPrime = rotClockwise(midPoint(x1, x2), phi);                // F.6.5.1
        var xPrime2 = pointMul(xPrime, xPrime);
        var rx2 = Math.pow(rx, 2);
        var ry2 = Math.pow(ry, 2);

        var lambda = Math.sqrt(xPrime2[0]/rx2 + xPrime2[1]/ry2);
        if (lambda > 1) {
          rx *= lambda;
          ry *= lambda;
          rx2 = Math.pow(rx, 2);
          ry2 = Math.pow(ry, 2);
        }

        var factor = Math.sqrt((rx2*ry2 - rx2*xPrime2[1] - ry2*xPrime2[0]) /
          (rx2*xPrime2[1] + ry2*xPrime2[0]));
        if (fA == fS) {
          factor *= -1.0;
        }
        var cPrime = scale(factor, [rx*xPrime[1]/ry, -ry*xPrime[0]/rx]); // F.6.5.2
        var c = sum(rotCounterClockwise(cPrime, phi), meanVec(x1, x2));  // F.6.5.3
        var x1UnitVector = [(xPrime[0] - cPrime[0])/rx, (xPrime[1] - cPrime[1])/ry];
        var x2UnitVector = [(-1.0*xPrime[0] - cPrime[0])/rx, (-1.0*xPrime[1] - cPrime[1])/ry];
        var theta = angle([1, 0], x1UnitVector);                         // F.6.5.5
        var deltaTheta = angle(x1UnitVector, x2UnitVector);              // F.6.5.6
        var start = theta;
        var end = theta+deltaTheta;
        ops.push(
          {type: 'save', args: []},
          {type: 'translate', args: [c[0], c[1]]},
          {type: 'rotate', args: [phi]},
          {type: 'scale', args: [rx, ry]},
          {type: 'arc', args: [0, 0, 1, start, end, 1-fS]},
          {type: 'restore', args: []}
          );
      }


    peg$result = peg$startRuleFunction();

    if (peg$result !== peg$FAILED && peg$currPos === input.length) {
      return peg$result;
    } else {
      if (peg$result !== peg$FAILED && peg$currPos < input.length) {
        peg$fail({ type: "end", description: "end of input" });
      }

      throw peg$buildException(null, peg$maxFailExpected, peg$maxFailPos);
    }
  }

  return {
    SyntaxError: SyntaxError,
    parse:       parse
  };
})();