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vrml.js
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vrmlParser = (function() {
"use strict";
/*
* Generated by PEG.js 0.9.0.
*
* http://pegjs.org/
*/
function peg$subclass(child, parent) {
function ctor() { this.constructor = child; }
ctor.prototype = parent.prototype;
child.prototype = new ctor();
}
function peg$SyntaxError(message, expected, found, location) {
this.message = message;
this.expected = expected;
this.found = found;
this.location = location;
this.name = "SyntaxError";
if (typeof Error.captureStackTrace === "function") {
Error.captureStackTrace(this, peg$SyntaxError);
}
}
peg$subclass(peg$SyntaxError, Error);
function peg$parse(input) {
var options = arguments.length > 1 ? arguments[1] : {},
parser = this,
peg$FAILED = {},
peg$startRuleFunctions = { vrml: peg$parsevrml },
peg$startRuleFunction = peg$parsevrml,
peg$c0 = "#VRML V2.0 utf8",
peg$c1 = { type: "literal", value: "#VRML V2.0 utf8", description: "\"#VRML V2.0 utf8\"" },
peg$c2 = function(vrml) {
// before returning the root vrml object, enricht it with routes and nodeDefinitions
vrml.nodeDefinitions = nodeDefinitions;
vrml.routes = routes;
return vrml;
},
peg$c3 = function(name) { return name; },
peg$c4 = "OrientationInterpolator",
peg$c5 = { type: "literal", value: "OrientationInterpolator", description: "\"OrientationInterpolator\"" },
peg$c6 = function(name, properties) {
var n = {name:name, node: "OrientationInterpolator", isDefinition: true}
for (var i=0; i < properties.length; i++) {
n[properties[i]['name']] = properties[i]['value'];
}
// store node for later re-use
nodeDefinitions[name] = n;
n.type = "OrientationInterpolator";
return n;
},
peg$c7 = "keyValue",
peg$c8 = { type: "literal", value: "keyValue", description: "\"keyValue\"" },
peg$c9 = function(q) {return q;},
peg$c10 = function(q, lq) {if(lq)q.push(lq);return q;},
peg$c11 = function(quaternionArray) {
return {name: "keyValue", value: quaternionArray, type: "KeyValueForOrientationInterpolator"};
},
peg$c12 = function(name, n) {
n.name = name;
n.isDefinition = true;
// store node for later re-use
nodeDefinitions[name] = n;
n.type = "nodeDefinition"
return n;
},
peg$c13 = function(t, pp) {
var n = {node: t};
// node properties are in pp, if pp is not an Inline node, if pp is an inline node, it should be read from the url
for (var i=0; i < pp.length; i++) {
var p = pp[i];
// is p a node?
if (undefined !== p.node) {
//console.log(p.node + ' node found');
// are we processing a Switch node?
if ('Switch' === n.node) {
// if the switch does not already have choice, create choice here
if (undefined === n.choice) {
n.choice = [];
}
n.choice.push(p);
} else {
// not a Switch, some other node, which has children.
// if the node does not already have children, create children here
if (undefined === n.children) {
n.children = [];
}
// @todo for an Inline node, we could use the parser (named 'parser') and fs here, to fetch the inline file and parse it
// on the other hand, it could be left up to the renderers what to do with the inline node.
/*
@see http://pegjs.org/documentation#grammar-syntax-and-semantics
The code inside the predicate can also access the parser object using the parser variable and options passed to the parser using the options variable.
*/
n.children.push(p);
}
} else if (undefined !== p.name) {
// p is a property
n[p.name] = p.value;
if (undefined !== p.comment) {
if (undefined === n.comments) { n.comments = {}; }
if (undefined === n.comments[p.name]) { n.comments[p.name] = []; }
n.comments[p.name].push(p.comment);
}
} else if (undefined !== p.src) {
// p is a route
// move it to global scope
routes.push(p);
} else {
// p is a comment
if (undefined === n.nodeComments) {
n.nodeComments = [];
}
n.nodeComments.push(p);
}
}
return n;
},
peg$c14 = "orientation",
peg$c15 = { type: "literal", value: "orientation", description: "\"orientation\"" },
peg$c16 = "rotation",
peg$c17 = { type: "literal", value: "rotation", description: "\"rotation\"" },
peg$c18 = "scaleOrientation",
peg$c19 = { type: "literal", value: "scaleOrientation", description: "\"scaleOrientation\"" },
peg$c20 = function(name, q) { return {name: name, value: q} },
peg$c21 = " ",
peg$c22 = { type: "literal", value: " ", description: "\" \"" },
peg$c23 = function(x, y, z, radians) { return {x: x, y: y, z: z, radians: radians} },
peg$c24 = "coordIndex",
peg$c25 = { type: "literal", value: "coordIndex", description: "\"coordIndex\"" },
peg$c26 = function(face, lastFace) {
if (null !== lastFace) {
face.push(lastFace);
}
return {name: "coordIndex", value: face};
},
peg$c27 = "point",
peg$c28 = { type: "literal", value: "point", description: "\"point\"" },
peg$c29 = "vector",
peg$c30 = { type: "literal", value: "vector", description: "\"vector\"" },
peg$c31 = function(name, pointArray) {
return {name: name, value: pointArray};
},
peg$c32 = function(name, value, comment) {
var p = { name:name, value:value };
// you could change a color property here by returning r g b instead of x y z
if (null !== comment) {
p.comment = comment;
}
return p;
},
peg$c33 = { type: "other", description: "identifier" },
peg$c34 = /^[^0-9\-+ '"#,.[\]{}\r\n\t]/,
peg$c35 = { type: "class", value: "[^0-9\\-\\+ '\"#\\,\\.\\[\\]\\{\\}\\r\\n\\t]", description: "[^0-9\\-\\+ '\"#\\,\\.\\[\\]\\{\\}\\r\\n\\t]" },
peg$c36 = /^[^ '"#,.[\]{}\r\n\t]/,
peg$c37 = { type: "class", value: "[^ '\"#\\,\\.\\[\\]\\{\\}\\r\\n\\t]", description: "[^ '\"#\\,\\.\\[\\]\\{\\}\\r\\n\\t]" },
peg$c38 = function(o, p) { return o + (p ? p.join('').trim():''); },
peg$c39 = { type: "other", description: "array" },
peg$c40 = function(v) { return v; },
peg$c41 = function(it) {
var a = [];
for (var i=0; i < it.length; i++) {
var value = it[i];
if (undefined !== value.src) {
// value is a route, add to global routes
routes.push(value);
} else if (undefined !== value.comment) {
// value is a comment
if (undefined === a.comments) {
a.comments = [];
}
a.comments.push(value);
} else {
// this is what we are looking for: a value for in our array!
a.push(value);
}
}
return a;
},
peg$c42 = { type: "other", description: "value" },
peg$c43 = "false",
peg$c44 = { type: "literal", value: "false", description: "\"false\"" },
peg$c45 = "FALSE",
peg$c46 = { type: "literal", value: "FALSE", description: "\"FALSE\"" },
peg$c47 = function() { return false; },
peg$c48 = "null",
peg$c49 = { type: "literal", value: "null", description: "\"null\"" },
peg$c50 = "NULL",
peg$c51 = { type: "literal", value: "NULL", description: "\"NULL\"" },
peg$c52 = function() { return null; },
peg$c53 = "true",
peg$c54 = { type: "literal", value: "true", description: "\"true\"" },
peg$c55 = "TRUE",
peg$c56 = { type: "literal", value: "TRUE", description: "\"TRUE\"" },
peg$c57 = function() { return true; },
peg$c58 = { type: "other", description: "number" },
peg$c59 = function() { return parseFloat(text()); },
peg$c60 = ".",
peg$c61 = { type: "literal", value: ".", description: "\".\"" },
peg$c62 = /^[1-9]/,
peg$c63 = { type: "class", value: "[1-9]", description: "[1-9]" },
peg$c64 = /^[eE]/,
peg$c65 = { type: "class", value: "[eE]", description: "[eE]" },
peg$c66 = function(s, c) {return s + c;},
peg$c67 = function(i) {return i.join('');},
peg$c68 = "-",
peg$c69 = { type: "literal", value: "-", description: "\"-\"" },
peg$c70 = "+",
peg$c71 = { type: "literal", value: "+", description: "\"+\"" },
peg$c72 = "0",
peg$c73 = { type: "literal", value: "0", description: "\"0\"" },
peg$c74 = "#",
peg$c75 = { type: "literal", value: "#", description: "\"#\"" },
peg$c76 = /^[^\n]/,
peg$c77 = { type: "class", value: "[^\\n]", description: "[^\\n]" },
peg$c78 = function(text) { return { comment: text.join('').trim() }; },
peg$c79 = "ROUTE",
peg$c80 = { type: "literal", value: "ROUTE", description: "\"ROUTE\"" },
peg$c81 = "TO",
peg$c82 = { type: "literal", value: "TO", description: "\"TO\"" },
peg$c83 = function(src, target) {
// create an index that is the name of the source node, for later retrieval of the route by name of the source
var index = src.name;
var route = { source: src, target: target };
// put it in the global routes collection
if ('undefined' === typeof routes[index]) {
routes[index] = [];
}
routes[index].push(route);
return route;
},
peg$c84 = function(name, property) { return { name: name, property: property }; },
peg$c85 = "[",
peg$c86 = { type: "literal", value: "[", description: "\"[\"" },
peg$c87 = "]",
peg$c88 = { type: "literal", value: "]", description: "\"]\"" },
peg$c89 = "{",
peg$c90 = { type: "literal", value: "{", description: "\"{\"" },
peg$c91 = "}",
peg$c92 = { type: "literal", value: "}", description: "\"}\"" },
peg$c93 = ",",
peg$c94 = { type: "literal", value: ",", description: "\",\"" },
peg$c95 = { type: "other", description: "whitespace" },
peg$c96 = /^[ \t\n\r]/,
peg$c97 = { type: "class", value: "[ \\t\\n\\r]", description: "[ \\t\\n\\r]" },
peg$c98 = function(ws) { return ws.join('');},
peg$c99 = function(p) { return p; },
peg$c100 = function(x, y, z) { return {x:x, y:y, z:z}; },
peg$c101 = function(x, y) { return {x:x, y:y}; },
peg$c102 = "DEF",
peg$c103 = { type: "literal", value: "DEF", description: "\"DEF\"" },
peg$c104 = function() { return true; },
peg$c105 = function(name) {
var obj = nodeDefinitions[name];
if (undefined === obj) {
console.log(name + ' not found in nodeDefinitions');
return obj; // undefined obj
}
if ('function' === typeof obj.clone) {
return obj.clone();
}
return obj;
},
peg$c106 = "USE",
peg$c107 = { type: "literal", value: "USE", description: "\"USE\"" },
peg$c108 = "-1",
peg$c109 = { type: "literal", value: "-1", description: "\"-1\"" },
peg$c110 = function(points) { return points; },
peg$c111 = function(i) { return i },
peg$c112 = function(uri) { return uri; },
peg$c113 = /^[^"]/,
peg$c114 = { type: "class", value: "[^\"]", description: "[^\"]" },
peg$c115 = "jpg",
peg$c116 = { type: "literal", value: "jpg", description: "\"jpg\"" },
peg$c117 = "jpeg",
peg$c118 = { type: "literal", value: "jpeg", description: "\"jpeg\"" },
peg$c119 = "gif",
peg$c120 = { type: "literal", value: "gif", description: "\"gif\"" },
peg$c121 = "wrl",
peg$c122 = { type: "literal", value: "wrl", description: "\"wrl\"" },
peg$c123 = function(i, dot, ext) { return i + dot + ext; },
peg$c124 = function(s) { return s.join(''); },
peg$c125 = "\"",
peg$c126 = { type: "literal", value: "\"", description: "\"\\\"\"" },
peg$c127 = /^[0-9]/,
peg$c128 = { type: "class", value: "[0-9]", description: "[0-9]" },
peg$c129 = /^[0-9a-f]/i,
peg$c130 = { type: "class", value: "[0-9a-f]i", description: "[0-9a-f]i" },
peg$currPos = 0,
peg$savedPos = 0,
peg$posDetailsCache = [{ line: 1, column: 1, seenCR: false }],
peg$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$savedPos, peg$currPos);
}
function location() {
return peg$computeLocation(peg$savedPos, peg$currPos);
}
function expected(description) {
throw peg$buildException(
null,
[{ type: "other", description: description }],
input.substring(peg$savedPos, peg$currPos),
peg$computeLocation(peg$savedPos, peg$currPos)
);
}
function error(message) {
throw peg$buildException(
message,
null,
input.substring(peg$savedPos, peg$currPos),
peg$computeLocation(peg$savedPos, peg$currPos)
);
}
function peg$computePosDetails(pos) {
var details = peg$posDetailsCache[pos],
p, ch;
if (details) {
return details;
} else {
p = pos - 1;
while (!peg$posDetailsCache[p]) {
p--;
}
details = peg$posDetailsCache[p];
details = {
line: details.line,
column: details.column,
seenCR: details.seenCR
};
while (p < pos) {
ch = input.charAt(p);
if (ch === "\n") {
if (!details.seenCR) { details.line++; }
details.column = 1;
details.seenCR = false;
} else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
details.line++;
details.column = 1;
details.seenCR = true;
} else {
details.column++;
details.seenCR = false;
}
p++;
}
peg$posDetailsCache[pos] = details;
return details;
}
}
function peg$computeLocation(startPos, endPos) {
var startPosDetails = peg$computePosDetails(startPos),
endPosDetails = peg$computePosDetails(endPos);
return {
start: {
offset: startPos,
line: startPosDetails.line,
column: startPosDetails.column
},
end: {
offset: endPos,
line: endPosDetails.line,
column: endPosDetails.column
}
};
}
function peg$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$buildException(message, expected, found, location) {
function cleanupExpected(expected) {
var i = 1;
expected.sort(function(a, b) {
if (a.description < b.description) {
return -1;
} else if (a.description > b.description) {
return 1;
} else {
return 0;
}
});
while (i < expected.length) {
if (expected[i - 1] === expected[i]) {
expected.splice(i, 1);
} else {
i++;
}
}
}
function buildMessage(expected, found) {
function stringEscape(s) {
function hex(ch) { return ch.charCodeAt(0).toString(16).toUpperCase(); }
return s
.replace(/\\/g, '\\\\')
.replace(/"/g, '\\"')
.replace(/\x08/g, '\\b')
.replace(/\t/g, '\\t')
.replace(/\n/g, '\\n')
.replace(/\f/g, '\\f')
.replace(/\r/g, '\\r')
.replace(/[\x00-\x07\x0B\x0E\x0F]/g, function(ch) { return '\\x0' + hex(ch); })
.replace(/[\x10-\x1F\x80-\xFF]/g, function(ch) { return '\\x' + hex(ch); })
.replace(/[\u0100-\u0FFF]/g, function(ch) { return '\\u0' + hex(ch); })
.replace(/[\u1000-\uFFFF]/g, function(ch) { return '\\u' + hex(ch); });
}
var expectedDescs = new Array(expected.length),
expectedDesc, foundDesc, i;
for (i = 0; i < expected.length; i++) {
expectedDescs[i] = expected[i].description;
}
expectedDesc = expected.length > 1
? expectedDescs.slice(0, -1).join(", ")
+ " or "
+ expectedDescs[expected.length - 1]
: expectedDescs[0];
foundDesc = found ? "\"" + stringEscape(found) + "\"" : "end of input";
return "Expected " + expectedDesc + " but " + foundDesc + " found.";
}
if (expected !== null) {
cleanupExpected(expected);
}
return new peg$SyntaxError(
message !== null ? message : buildMessage(expected, found),
expected,
found,
location
);
}
function peg$parsevrml() {
var s0, s1, s2, s3;
s0 = peg$currPos;
if (input.substr(peg$currPos, 15) === peg$c0) {
s1 = peg$c0;
peg$currPos += 15;
} else {
s1 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c1); }
}
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$parseOrientationInterpolator();
if (s3 === peg$FAILED) {
s3 = peg$parsenodeDefinition();
if (s3 === peg$FAILED) {
s3 = peg$parsenode();
if (s3 === peg$FAILED) {
s3 = peg$parsecomment();
if (s3 === peg$FAILED) {
s3 = peg$parseroute();
}
}
}
}
while (s3 !== peg$FAILED) {
s2.push(s3);
s3 = peg$parseOrientationInterpolator();
if (s3 === peg$FAILED) {
s3 = peg$parsenodeDefinition();
if (s3 === peg$FAILED) {
s3 = peg$parsenode();
if (s3 === peg$FAILED) {
s3 = peg$parsecomment();
if (s3 === peg$FAILED) {
s3 = peg$parseroute();
}
}
}
}
}
if (s2 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c2(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parseOrientationInterpolator() {
var s0, s1, s2, s3, s4, s5;
s0 = peg$currPos;
s1 = peg$currPos;
s2 = peg$parsedef();
if (s2 !== peg$FAILED) {
s3 = peg$parsews();
if (s3 !== peg$FAILED) {
s4 = peg$parseidentifier();
if (s4 !== peg$FAILED) {
s5 = peg$parsews();
if (s5 !== peg$FAILED) {
peg$savedPos = s1;
s2 = peg$c3(s4);
s1 = s2;
} else {
peg$currPos = s1;
s1 = peg$FAILED;
}
} else {
peg$currPos = s1;
s1 = peg$FAILED;
}
} else {
peg$currPos = s1;
s1 = peg$FAILED;
}
} else {
peg$currPos = s1;
s1 = peg$FAILED;
}
if (s1 !== peg$FAILED) {
if (input.substr(peg$currPos, 23) === peg$c4) {
s2 = peg$c4;
peg$currPos += 23;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c5); }
}
if (s2 !== peg$FAILED) {
s3 = peg$parsebegin_node();
if (s3 !== peg$FAILED) {
s4 = [];
s5 = peg$parseKeyValueForOrientationInterpolator();
if (s5 === peg$FAILED) {
s5 = peg$parseproperty();
}
if (s5 !== peg$FAILED) {
while (s5 !== peg$FAILED) {
s4.push(s5);
s5 = peg$parseKeyValueForOrientationInterpolator();
if (s5 === peg$FAILED) {
s5 = peg$parseproperty();
}
}
} else {
s4 = peg$FAILED;
}
if (s4 !== peg$FAILED) {
s5 = peg$parseend_node();
if (s5 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c6(s1, s4);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parseKeyValueForOrientationInterpolator() {
var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9;
s0 = peg$currPos;
s1 = peg$parsews();
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
if (input.substr(peg$currPos, 8) === peg$c7) {
s2 = peg$c7;
peg$currPos += 8;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c8); }
}
if (s2 !== peg$FAILED) {
s3 = peg$parsebegin_array();
if (s3 !== peg$FAILED) {
s4 = peg$currPos;
s5 = [];
s6 = peg$currPos;
s7 = peg$parsequaternion();
if (s7 !== peg$FAILED) {
s8 = peg$parsevalue_separator();
if (s8 !== peg$FAILED) {
s9 = peg$parsecomment();
if (s9 === peg$FAILED) {
s9 = null;
}
if (s9 !== peg$FAILED) {
peg$savedPos = s6;
s7 = peg$c9(s7);
s6 = s7;
} else {
peg$currPos = s6;
s6 = peg$FAILED;
}
} else {
peg$currPos = s6;
s6 = peg$FAILED;
}
} else {
peg$currPos = s6;
s6 = peg$FAILED;
}
while (s6 !== peg$FAILED) {
s5.push(s6);
s6 = peg$currPos;
s7 = peg$parsequaternion();
if (s7 !== peg$FAILED) {
s8 = peg$parsevalue_separator();
if (s8 !== peg$FAILED) {
s9 = peg$parsecomment();
if (s9 === peg$FAILED) {
s9 = null;
}
if (s9 !== peg$FAILED) {
peg$savedPos = s6;
s7 = peg$c9(s7);
s6 = s7;
} else {
peg$currPos = s6;
s6 = peg$FAILED;
}
} else {
peg$currPos = s6;
s6 = peg$FAILED;
}
} else {
peg$currPos = s6;
s6 = peg$FAILED;
}
}
if (s5 !== peg$FAILED) {
s6 = peg$parsequaternion();
if (s6 === peg$FAILED) {
s6 = null;
}
if (s6 !== peg$FAILED) {
s7 = peg$parsecomment();
if (s7 === peg$FAILED) {
s7 = null;
}
if (s7 !== peg$FAILED) {
peg$savedPos = s4;
s5 = peg$c10(s5, s6);
s4 = s5;
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
if (s4 !== peg$FAILED) {
s5 = peg$parseend_array();
if (s5 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c11(s4);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsenodeDefinition() {
var s0, s1, s2, s3, s4, s5, s6;
s0 = peg$currPos;
s1 = peg$parsews();
if (s1 !== peg$FAILED) {
s2 = peg$parsedef();
if (s2 !== peg$FAILED) {
s3 = peg$parsews();
if (s3 !== peg$FAILED) {
s4 = peg$parseidentifier();
if (s4 !== peg$FAILED) {
s5 = peg$parsews();
if (s5 !== peg$FAILED) {
s6 = peg$parsenode();
if (s6 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c12(s4, s6);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsenode() {
var s0, s1, s2, s3, s4, s5;
s0 = peg$currPos;
s1 = peg$parsews();
if (s1 !== peg$FAILED) {
s2 = peg$parseidentifier();
if (s2 !== peg$FAILED) {
s3 = peg$parsebegin_node();
if (s3 !== peg$FAILED) {
s4 = [];
s5 = peg$parsenodeDefinition();
if (s5 === peg$FAILED) {
s5 = peg$parseroute();
if (s5 === peg$FAILED) {
s5 = peg$parseproperty();
if (s5 === peg$FAILED) {
s5 = peg$parsenode();
if (s5 === peg$FAILED) {
s5 = peg$parsecomment();
}
}
}
}
while (s5 !== peg$FAILED) {
s4.push(s5);
s5 = peg$parsenodeDefinition();
if (s5 === peg$FAILED) {
s5 = peg$parseroute();
if (s5 === peg$FAILED) {
s5 = peg$parseproperty();
if (s5 === peg$FAILED) {
s5 = peg$parsenode();
if (s5 === peg$FAILED) {
s5 = peg$parsecomment();
}
}
}
}
}
if (s4 !== peg$FAILED) {
s5 = peg$parseend_node();
if (s5 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c13(s2, s4);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parseproperty() {
var s0;
s0 = peg$parseorientation();
if (s0 === peg$FAILED) {
s0 = peg$parsecoordIndex();
if (s0 === peg$FAILED) {
s0 = peg$parsepointArray();
if (s0 === peg$FAILED) {
s0 = peg$parsegeneric_property();
}
}
}
return s0;
}
function peg$parseorientation() {
var s0, s1, s2, s3;
s0 = peg$currPos;
s1 = peg$parsews();
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
if (input.substr(peg$currPos, 11) === peg$c14) {
s2 = peg$c14;
peg$currPos += 11;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c15); }
}
if (s2 === peg$FAILED) {
if (input.substr(peg$currPos, 8) === peg$c16) {
s2 = peg$c16;
peg$currPos += 8;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c17); }
}
if (s2 === peg$FAILED) {
if (input.substr(peg$currPos, 16) === peg$c18) {
s2 = peg$c18;
peg$currPos += 16;
} else {
s2 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c19); }
}
}
}
if (s2 !== peg$FAILED) {
s3 = peg$parsequaternion();
if (s3 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$c20(s2, s3);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
return s0;
}
function peg$parsequaternion() {
var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9;
s0 = peg$currPos;
s1 = peg$parsews();
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
s2 = peg$parsenumber();
if (s2 !== peg$FAILED) {
s3 = [];
if (input.charCodeAt(peg$currPos) === 32) {
s4 = peg$c21;
peg$currPos++;
} else {
s4 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c22); }
}
if (s4 !== peg$FAILED) {
while (s4 !== peg$FAILED) {
s3.push(s4);
if (input.charCodeAt(peg$currPos) === 32) {
s4 = peg$c21;
peg$currPos++;
} else {
s4 = peg$FAILED;
if (peg$silentFails === 0) { peg$fail(peg$c22); }
}
}
} else {
s3 = peg$FAILED;
}
if (s3 !== peg$FAILED) {