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faye.js
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faye.js
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if (!this.Faye) Faye = {};
Faye.extend = function(dest, source, overwrite) {
if (!source) return dest;
for (var key in source) {
if (!source.hasOwnProperty(key)) continue;
if (dest.hasOwnProperty(key) && overwrite === false) continue;
if (dest[key] !== source[key])
dest[key] = source[key];
}
return dest;
};
Faye.extend(Faye, {
VERSION: '<%= Faye::VERSION %>',
BAYEUX_VERSION: '<%= Faye::BAYEUX_VERSION %>',
ID_LENGTH: <%= Faye::ID_LENGTH %>,
JSONP_CALLBACK: '<%= Faye::JSONP_CALLBACK %>',
CONNECTION_TYPES: <%= Faye::CONNECTION_TYPES.inspect %>,
ENV: this,
random: function(bitlength) {
bitlength = bitlength || this.ID_LENGTH;
if (bitlength > 32) {
var parts = Math.ceil(bitlength / 32),
string = '';
while (parts--) string += this.random(32);
return string;
}
var field = Math.pow(2, bitlength);
return Math.floor(Math.random() * field).toString(16);
},
Grammar: {
<% %w[ LOWALPHA UPALPHA ALPHA DIGIT
ALPHANUM MARK STRING TOKEN
INTEGER
CHANNEL_SEGMENT CHANNEL_SEGMENTS
CHANNEL_NAME
WILD_CARD CHANNEL_PATTERN
VERSION_ELEMENT VERSION
CLIENT_ID ID
ERROR_MESSAGE ERROR_ARGS
ERROR_CODE ERROR ].each do |bnf| %>
<%= bnf %>: /<%= Faye::Grammar.const_get(bnf).source %>/<%= bnf == 'ERROR' ? '' : ',' %>
<% end %>
},
commonElement: function(lista, listb) {
for (var i = 0, n = lista.length; i < n; i++) {
if (this.indexOf(listb, lista[i]) !== -1)
return lista[i];
}
return null;
},
indexOf: function(list, needle) {
for (var i = 0, n = list.length; i < n; i++) {
if (list[i] === needle) return i;
}
return -1;
},
each: function(object, callback, scope) {
if (object instanceof Array) {
for (var i = 0, n = object.length; i < n; i++) {
if (object[i] !== undefined)
callback.call(scope || null, object[i], i);
}
} else {
for (var key in object) {
if (object.hasOwnProperty(key))
callback.call(scope || null, key, object[key]);
}
}
},
filter: function(array, callback, scope) {
var result = [];
this.each(array, function() {
if (callback.apply(scope, arguments))
result.push(arguments[0]);
});
return result;
},
size: function(object) {
var size = 0;
this.each(object, function() { size += 1 });
return size;
},
enumEqual: function(actual, expected) {
if (expected instanceof Array) {
if (!(actual instanceof Array)) return false;
var i = actual.length;
if (i !== expected.length) return false;
while (i--) {
if (actual[i] !== expected[i]) return false;
}
return true;
} else {
if (!(actual instanceof Object)) return false;
if (this.size(expected) !== this.size(actual)) return false;
var result = true;
this.each(actual, function(key, value) {
result = result && (expected[key] === value);
});
return result;
}
},
// http://assanka.net/content/tech/2009/09/02/json2-js-vs-prototype/
toJSON: function(object) {
if (this.stringify)
return this.stringify(object, function(key, value) {
return (this[key] instanceof Array)
? this[key]
: value;
});
return JSON.stringify(object);
},
timestamp: function() {
var date = new Date(),
year = date.getFullYear(),
month = date.getMonth() + 1,
day = date.getDate(),
hour = date.getHours(),
minute = date.getMinutes(),
second = date.getSeconds();
var pad = function(n) {
return n < 10 ? '0' + n : String(n);
};
return pad(year) + '-' + pad(month) + '-' + pad(day) + ' ' +
pad(hour) + ':' + pad(minute) + ':' + pad(second);
}
});