route-table
Version:
Put your routes in its own file and use route-table to parses it.
838 lines (785 loc) • 24.8 kB
JavaScript
module.exports = (function(){
/*
* Generated by PEG.js 0.7.0.
*
* http://pegjs.majda.cz/
*/
function quote(s) {
/*
* ECMA-262, 5th ed., 7.8.4: All characters may appear literally in a
* string literal except for the closing quote character, backslash,
* carriage return, line separator, paragraph separator, and line feed.
* Any character may appear in the form of an escape sequence.
*
* For portability, we also escape escape all control and non-ASCII
* characters. Note that "\0" and "\v" escape sequences are not used
* because JSHint does not like the first and IE the second.
*/
return '"' + s
.replace(/\\/g, '\\\\') // backslash
.replace(/"/g, '\\"') // closing quote character
.replace(/\x08/g, '\\b') // backspace
.replace(/\t/g, '\\t') // horizontal tab
.replace(/\n/g, '\\n') // line feed
.replace(/\f/g, '\\f') // form feed
.replace(/\r/g, '\\r') // carriage return
.replace(/[\x00-\x07\x0B\x0E-\x1F\x80-\uFFFF]/g, escape)
+ '"';
}
var result = {
/*
* Parses the input with a generated parser. If the parsing is successfull,
* returns a value explicitly or implicitly specified by the grammar from
* which the parser was generated (see |PEG.buildParser|). If the parsing is
* unsuccessful, throws |PEG.parser.SyntaxError| describing the error.
*/
parse: function(input, startRule) {
var parseFunctions = {
"start": parse_start,
"line": parse_line,
"space": parse_space,
"newline": parse_newline,
"comment": parse_comment,
"method": parse_method,
"path": parse_path,
"mapping": parse_mapping
};
if (startRule !== undefined) {
if (parseFunctions[startRule] === undefined) {
throw new Error("Invalid rule name: " + quote(startRule) + ".");
}
} else {
startRule = "start";
}
var pos = 0;
var reportFailures = 0;
var rightmostFailuresPos = 0;
var rightmostFailuresExpected = [];
function padLeft(input, padding, length) {
var result = input;
var padLength = length - input.length;
for (var i = 0; i < padLength; i++) {
result = padding + result;
}
return result;
}
function escape(ch) {
var charCode = ch.charCodeAt(0);
var escapeChar;
var length;
if (charCode <= 0xFF) {
escapeChar = 'x';
length = 2;
} else {
escapeChar = 'u';
length = 4;
}
return '\\' + escapeChar + padLeft(charCode.toString(16).toUpperCase(), '0', length);
}
function matchFailed(failure) {
if (pos < rightmostFailuresPos) {
return;
}
if (pos > rightmostFailuresPos) {
rightmostFailuresPos = pos;
rightmostFailuresExpected = [];
}
rightmostFailuresExpected.push(failure);
}
function parse_start() {
var result0, result1;
var pos0;
pos0 = pos;
result1 = parse_line();
if (result1 !== null) {
result0 = [];
while (result1 !== null) {
result0.push(result1);
result1 = parse_line();
}
} else {
result0 = null;
}
if (result0 !== null) {
result0 = (function(offset, lines) {
var i = 0, count = lines.length, result = [];
for (;i < count; i++)
if (lines[i] !== null_)
result.push(lines[i]);
return result;
})(pos0, result0);
}
if (result0 === null) {
pos = pos0;
}
return result0;
}
function parse_line() {
var result0, result1, result2, result3, result4, result5, result6;
var pos0, pos1, pos2;
pos0 = pos;
result0 = parse_newline();
if (result0 !== null) {
result0 = (function(offset) { return null_; })(pos0);
}
if (result0 === null) {
pos = pos0;
}
if (result0 === null) {
pos0 = pos;
pos1 = pos;
result0 = parse_comment();
if (result0 !== null) {
result1 = parse_newline();
if (result1 !== null) {
result0 = [result0, result1];
} else {
result0 = null;
pos = pos1;
}
} else {
result0 = null;
pos = pos1;
}
if (result0 !== null) {
result0 = (function(offset) { return null_; })(pos0);
}
if (result0 === null) {
pos = pos0;
}
if (result0 === null) {
pos0 = pos;
pos1 = pos;
result1 = parse_space();
if (result1 !== null) {
result0 = [];
while (result1 !== null) {
result0.push(result1);
result1 = parse_space();
}
} else {
result0 = null;
}
if (result0 !== null) {
result1 = parse_comment();
if (result1 !== null) {
result2 = parse_newline();
if (result2 !== null) {
result0 = [result0, result1, result2];
} else {
result0 = null;
pos = pos1;
}
} else {
result0 = null;
pos = pos1;
}
} else {
result0 = null;
pos = pos1;
}
if (result0 !== null) {
result0 = (function(offset) { return null_; })(pos0);
}
if (result0 === null) {
pos = pos0;
}
if (result0 === null) {
pos0 = pos;
pos1 = pos;
result0 = parse_method();
if (result0 !== null) {
result2 = parse_space();
if (result2 !== null) {
result1 = [];
while (result2 !== null) {
result1.push(result2);
result2 = parse_space();
}
} else {
result1 = null;
}
if (result1 !== null) {
result2 = parse_path();
if (result2 !== null) {
result4 = parse_space();
if (result4 !== null) {
result3 = [];
while (result4 !== null) {
result3.push(result4);
result4 = parse_space();
}
} else {
result3 = null;
}
if (result3 !== null) {
result4 = parse_mapping();
if (result4 !== null) {
pos2 = pos;
result6 = parse_space();
if (result6 !== null) {
result5 = [];
while (result6 !== null) {
result5.push(result6);
result6 = parse_space();
}
} else {
result5 = null;
}
if (result5 !== null) {
result6 = parse_comment();
if (result6 !== null) {
result5 = [result5, result6];
} else {
result5 = null;
pos = pos2;
}
} else {
result5 = null;
pos = pos2;
}
result5 = result5 !== null ? result5 : "";
if (result5 !== null) {
result6 = parse_newline();
if (result6 !== null) {
result0 = [result0, result1, result2, result3, result4, result5, result6];
} else {
result0 = null;
pos = pos1;
}
} else {
result0 = null;
pos = pos1;
}
} else {
result0 = null;
pos = pos1;
}
} else {
result0 = null;
pos = pos1;
}
} else {
result0 = null;
pos = pos1;
}
} else {
result0 = null;
pos = pos1;
}
} else {
result0 = null;
pos = pos1;
}
if (result0 !== null) {
result0 = (function(offset, method, path, mapping) {
return {
method: method,
path: path,
mapping: mapping
};
})(pos0, result0[0], result0[2], result0[4]);
}
if (result0 === null) {
pos = pos0;
}
}
}
}
return result0;
}
function parse_space() {
var result0;
if (input.charCodeAt(pos) === 32) {
result0 = " ";
pos++;
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\" \"");
}
}
return result0;
}
function parse_newline() {
var result0;
if (input.substr(pos, 2) === "\r\n") {
result0 = "\r\n";
pos += 2;
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"\\r\\n\"");
}
}
if (result0 === null) {
if (input.charCodeAt(pos) === 13) {
result0 = "\r";
pos++;
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"\\r\"");
}
}
if (result0 === null) {
if (input.charCodeAt(pos) === 10) {
result0 = "\n";
pos++;
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"\\n\"");
}
}
}
}
return result0;
}
function parse_comment() {
var result0, result1, result2;
var pos0;
pos0 = pos;
if (input.charCodeAt(pos) === 35) {
result0 = "#";
pos++;
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"#\"");
}
}
if (result0 !== null) {
result1 = [];
if (/^[^\r\n]/.test(input.charAt(pos))) {
result2 = input.charAt(pos);
pos++;
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("[^\\r\\n]");
}
}
while (result2 !== null) {
result1.push(result2);
if (/^[^\r\n]/.test(input.charAt(pos))) {
result2 = input.charAt(pos);
pos++;
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("[^\\r\\n]");
}
}
}
if (result1 !== null) {
result0 = [result0, result1];
} else {
result0 = null;
pos = pos0;
}
} else {
result0 = null;
pos = pos0;
}
return result0;
}
function parse_method() {
var result0, result1;
var pos0, pos1;
pos0 = pos;
if (input.substr(pos, 3).toLowerCase() === "get") {
result0 = input.substr(pos, 3);
pos += 3;
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"GET\"");
}
}
if (result0 === null) {
if (input.substr(pos, 4).toLowerCase() === "post") {
result0 = input.substr(pos, 4);
pos += 4;
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"POST\"");
}
}
if (result0 === null) {
if (input.substr(pos, 3).toLowerCase() === "put") {
result0 = input.substr(pos, 3);
pos += 3;
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"PUT\"");
}
}
if (result0 === null) {
pos1 = pos;
if (input.substr(pos, 3).toLowerCase() === "del") {
result0 = input.substr(pos, 3);
pos += 3;
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"DEL\"");
}
}
if (result0 !== null) {
if (input.substr(pos, 3).toLowerCase() === "ete") {
result1 = input.substr(pos, 3);
pos += 3;
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("\"ETE\"");
}
}
result1 = result1 !== null ? result1 : "";
if (result1 !== null) {
result0 = [result0, result1];
} else {
result0 = null;
pos = pos1;
}
} else {
result0 = null;
pos = pos1;
}
}
}
}
if (result0 !== null) {
result0 = (function(offset, method) {
if (method instanceof Array) method = method.join('')
if (method === 'DEL') method = 'DELETE'
return method;
})(pos0, result0);
}
if (result0 === null) {
pos = pos0;
}
return result0;
}
function parse_path() {
var result0, result1, result2, result3;
var pos0, pos1, pos2;
pos0 = pos;
pos1 = pos;
pos2 = pos;
if (input.charCodeAt(pos) === 47) {
result0 = "/";
pos++;
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\"/\"");
}
}
if (result0 !== null) {
result1 = [];
if (/^[^?\r\n ]/.test(input.charAt(pos))) {
result2 = input.charAt(pos);
pos++;
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("[^?\\r\\n ]");
}
}
while (result2 !== null) {
result1.push(result2);
if (/^[^?\r\n ]/.test(input.charAt(pos))) {
result2 = input.charAt(pos);
pos++;
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("[^?\\r\\n ]");
}
}
}
if (result1 !== null) {
result0 = [result0, result1];
} else {
result0 = null;
pos = pos2;
}
} else {
result0 = null;
pos = pos2;
}
if (result0 !== null) {
pos2 = pos;
if (input.charCodeAt(pos) === 63) {
result1 = "?";
pos++;
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("\"?\"");
}
}
if (result1 !== null) {
result2 = [];
if (/^[^?\r\n ]/.test(input.charAt(pos))) {
result3 = input.charAt(pos);
pos++;
} else {
result3 = null;
if (reportFailures === 0) {
matchFailed("[^?\\r\\n ]");
}
}
while (result3 !== null) {
result2.push(result3);
if (/^[^?\r\n ]/.test(input.charAt(pos))) {
result3 = input.charAt(pos);
pos++;
} else {
result3 = null;
if (reportFailures === 0) {
matchFailed("[^?\\r\\n ]");
}
}
}
if (result2 !== null) {
result1 = [result1, result2];
} else {
result1 = null;
pos = pos2;
}
} else {
result1 = null;
pos = pos2;
}
result1 = result1 !== null ? result1 : "";
if (result1 !== null) {
result0 = [result0, result1];
} else {
result0 = null;
pos = pos1;
}
} else {
result0 = null;
pos = pos1;
}
if (result0 !== null) {
result0 = (function(offset, path, query) {
var line = path[0] + path[1].join('');
if (query) line += query[0] + query[1].join('');
return line;
})(pos0, result0[0], result0[1]);
}
if (result0 === null) {
pos = pos0;
}
return result0;
}
function parse_mapping() {
var result0, result1, result2, result3;
var pos0, pos1;
pos0 = pos;
pos1 = pos;
if (/^[^.\r\n ]/.test(input.charAt(pos))) {
result1 = input.charAt(pos);
pos++;
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("[^.\\r\\n ]");
}
}
if (result1 !== null) {
result0 = [];
while (result1 !== null) {
result0.push(result1);
if (/^[^.\r\n ]/.test(input.charAt(pos))) {
result1 = input.charAt(pos);
pos++;
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("[^.\\r\\n ]");
}
}
}
} else {
result0 = null;
}
if (result0 !== null) {
if (/^[.]/.test(input.charAt(pos))) {
result1 = input.charAt(pos);
pos++;
} else {
result1 = null;
if (reportFailures === 0) {
matchFailed("[.]");
}
}
if (result1 !== null) {
if (/^[^ \r\n]/.test(input.charAt(pos))) {
result3 = input.charAt(pos);
pos++;
} else {
result3 = null;
if (reportFailures === 0) {
matchFailed("[^ \\r\\n]");
}
}
if (result3 !== null) {
result2 = [];
while (result3 !== null) {
result2.push(result3);
if (/^[^ \r\n]/.test(input.charAt(pos))) {
result3 = input.charAt(pos);
pos++;
} else {
result3 = null;
if (reportFailures === 0) {
matchFailed("[^ \\r\\n]");
}
}
}
} else {
result2 = null;
}
if (result2 !== null) {
result0 = [result0, result1, result2];
} else {
result0 = null;
pos = pos1;
}
} else {
result0 = null;
pos = pos1;
}
} else {
result0 = null;
pos = pos1;
}
if (result0 !== null) {
result0 = (function(offset, controller, action) {
return { controller: controller.join(''), action: action.join('') };
})(pos0, result0[0], result0[2]);
}
if (result0 === null) {
pos = pos0;
}
return result0;
}
function cleanupExpected(expected) {
expected.sort();
var lastExpected = null;
var cleanExpected = [];
for (var i = 0; i < expected.length; i++) {
if (expected[i] !== lastExpected) {
cleanExpected.push(expected[i]);
lastExpected = expected[i];
}
}
return cleanExpected;
}
function computeErrorPosition() {
/*
* The first idea was to use |String.split| to break the input up to the
* error position along newlines and derive the line and column from
* there. However IE's |split| implementation is so broken that it was
* enough to prevent it.
*/
var line = 1;
var column = 1;
var seenCR = false;
for (var i = 0; i < Math.max(pos, rightmostFailuresPos); i++) {
var ch = input.charAt(i);
if (ch === "\n") {
if (!seenCR) { line++; }
column = 1;
seenCR = false;
} else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
line++;
column = 1;
seenCR = true;
} else {
column++;
seenCR = false;
}
}
return { line: line, column: column };
}
var null_ = { };
var result = parseFunctions[startRule]();
/*
* The parser is now in one of the following three states:
*
* 1. The parser successfully parsed the whole input.
*
* - |result !== null|
* - |pos === input.length|
* - |rightmostFailuresExpected| may or may not contain something
*
* 2. The parser successfully parsed only a part of the input.
*
* - |result !== null|
* - |pos < input.length|
* - |rightmostFailuresExpected| may or may not contain something
*
* 3. The parser did not successfully parse any part of the input.
*
* - |result === null|
* - |pos === 0|
* - |rightmostFailuresExpected| contains at least one failure
*
* All code following this comment (including called functions) must
* handle these states.
*/
if (result === null || pos !== input.length) {
var offset = Math.max(pos, rightmostFailuresPos);
var found = offset < input.length ? input.charAt(offset) : null;
var errorPosition = computeErrorPosition();
throw new this.SyntaxError(
cleanupExpected(rightmostFailuresExpected),
found,
offset,
errorPosition.line,
errorPosition.column
);
}
return result;
},
/* Returns the parser source code. */
toSource: function() { return this._source; }
};
/* Thrown when a parser encounters a syntax error. */
result.SyntaxError = function(expected, found, offset, line, column) {
function buildMessage(expected, found) {
var expectedHumanized, foundHumanized;
switch (expected.length) {
case 0:
expectedHumanized = "end of input";
break;
case 1:
expectedHumanized = expected[0];
break;
default:
expectedHumanized = expected.slice(0, expected.length - 1).join(", ")
+ " or "
+ expected[expected.length - 1];
}
foundHumanized = found ? quote(found) : "end of input";
return "Expected " + expectedHumanized + " but " + foundHumanized + " found.";
}
this.name = "SyntaxError";
this.expected = expected;
this.found = found;
this.message = buildMessage(expected, found);
this.offset = offset;
this.line = line;
this.column = column;
};
result.SyntaxError.prototype = Error.prototype;
return result;
})();