Commit 395c2cc0 authored by mmn's avatar mmn

JSON in JavaScript library updated

...why we now need a JSON library... _in_ Javascript?!
Source: http://www.json.org/js.html
parent a6c03e31
/*
json2.js
2013-05-26
2015-02-25
Public Domain.
......@@ -48,7 +48,9 @@
Date.prototype.toJSON = function (key) {
function f(n) {
// Format integers to have at least two digits.
return n < 10 ? '0' + n : n;
return n < 10
? '0' + n
: n;
}
return this.getUTCFullYear() + '-' +
......@@ -146,10 +148,12 @@
redistribute.
*/
/*jslint evil: true, regexp: true */
/*jslint
eval, for, this
*/
/*members "", "\b", "\t", "\n", "\f", "\r", "\"", JSON, "\\", apply,
call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours,
/*property
JSON, apply, call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours,
getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join,
lastIndex, length, parse, prototype, push, replace, slice, stringify,
test, toJSON, toString, valueOf
......@@ -168,7 +172,13 @@ if (typeof JSON !== 'object') {
function f(n) {
// Format integers to have at least two digits.
return n < 10 ? '0' + n : n;
return n < 10
? '0' + n
: n;
}
function this_value() {
return this.valueOf();
}
if (typeof Date.prototype.toJSON !== 'function') {
......@@ -176,35 +186,25 @@ if (typeof JSON !== 'object') {
Date.prototype.toJSON = function () {
return isFinite(this.valueOf())
? this.getUTCFullYear() + '-' +
? this.getUTCFullYear() + '-' +
f(this.getUTCMonth() + 1) + '-' +
f(this.getUTCDate()) + 'T' +
f(this.getUTCHours()) + ':' +
f(this.getUTCMinutes()) + ':' +
f(this.getUTCSeconds()) + 'Z'
: null;
f(this.getUTCDate()) + 'T' +
f(this.getUTCHours()) + ':' +
f(this.getUTCMinutes()) + ':' +
f(this.getUTCSeconds()) + 'Z'
: null;
};
String.prototype.toJSON =
Number.prototype.toJSON =
Boolean.prototype.toJSON = function () {
return this.valueOf();
};
Boolean.prototype.toJSON = this_value;
Number.prototype.toJSON = this_value;
String.prototype.toJSON = this_value;
}
var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
var cx,
escapable,
gap,
indent,
meta = { // table of character substitutions
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'"' : '\\"',
'\\': '\\\\'
},
meta,
rep;
......@@ -216,12 +216,14 @@ if (typeof JSON !== 'object') {
// sequences.
escapable.lastIndex = 0;
return escapable.test(string) ? '"' + string.replace(escapable, function (a) {
return escapable.test(string)
? '"' + string.replace(escapable, function (a) {
var c = meta[a];
return typeof c === 'string'
? c
: '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
}) + '"' : '"' + string + '"';
? c
: '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
}) + '"'
: '"' + string + '"';
}
......@@ -261,7 +263,9 @@ if (typeof JSON !== 'object') {
// JSON numbers must be finite. Encode non-finite numbers as null.
return isFinite(value) ? String(value) : 'null';
return isFinite(value)
? String(value)
: 'null';
case 'boolean':
case 'null':
......@@ -305,10 +309,10 @@ if (typeof JSON !== 'object') {
// brackets.
v = partial.length === 0
? '[]'
: gap
? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']'
: '[' + partial.join(',') + ']';
? '[]'
: gap
? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']'
: '[' + partial.join(',') + ']';
gap = mind;
return v;
}
......@@ -322,7 +326,11 @@ if (typeof JSON !== 'object') {
k = rep[i];
v = str(k, value);
if (v) {
partial.push(quote(k) + (gap ? ': ' : ':') + v);
partial.push(quote(k) + (
gap
? ': '
: ':'
) + v);
}
}
}
......@@ -334,7 +342,11 @@ if (typeof JSON !== 'object') {
if (Object.prototype.hasOwnProperty.call(value, k)) {
v = str(k, value);
if (v) {
partial.push(quote(k) + (gap ? ': ' : ':') + v);
partial.push(quote(k) + (
gap
? ': '
: ':'
) + v);
}
}
}
......@@ -344,10 +356,10 @@ if (typeof JSON !== 'object') {
// and wrap them in braces.
v = partial.length === 0
? '{}'
: gap
? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}'
: '{' + partial.join(',') + '}';
? '{}'
: gap
? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}'
: '{' + partial.join(',') + '}';
gap = mind;
return v;
}
......@@ -356,6 +368,16 @@ if (typeof JSON !== 'object') {
// If the JSON object does not yet have a stringify method, give it one.
if (typeof JSON.stringify !== 'function') {
escapable = /[\\\"\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
meta = { // table of character substitutions
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'"': '\\"',
'\\': '\\\\'
};
JSON.stringify = function (value, replacer, space) {
// The stringify method takes a value and an optional replacer, and an optional
......@@ -403,6 +425,7 @@ if (typeof JSON !== 'object') {
// If the JSON object does not yet have a parse method, give it one.
if (typeof JSON.parse !== 'function') {
cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
JSON.parse = function (text, reviver) {
// The parse method takes a text and an optional reviver function, and returns
......@@ -441,7 +464,7 @@ if (typeof JSON !== 'object') {
if (cx.test(text)) {
text = text.replace(cx, function (a) {
return '\\u' +
('0000' + a.charCodeAt(0).toString(16)).slice(-4);
('0000' + a.charCodeAt(0).toString(16)).slice(-4);
});
}
......@@ -458,10 +481,13 @@ if (typeof JSON !== 'object') {
// we look to see that the remaining characters are only whitespace or ']' or
// ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval.
if (/^[\],:{}\s]*$/
.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@')
if (
/^[\],:{}\s]*$/.test(
text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@')
.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']')
.replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
.replace(/(?:^|:|,)(?:\s*\[)+/g, '')
)
) {
// In the third stage we use the eval function to compile the text into a
// JavaScript structure. The '{' operator is subject to a syntactic ambiguity
......@@ -474,8 +500,8 @@ if (typeof JSON !== 'object') {
// each name/value pair to a reviver function for possible transformation.
return typeof reviver === 'function'
? walk({'': j}, '')
: j;
? walk({'': j}, '')
: j;
}
// If the text is not JSON parseable, then a SyntaxError is thrown.
......
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