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protocol4.js
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2006-05-15
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2KB
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64 lines
function G_Protocol4Parser() {
this.debugZone = "protocol4";
this.protocol4RegExp_ = new RegExp("([^:]+):\\d+:(.*)$");
this.newlineRegExp_ = new RegExp("(\\r)?\\n");
}
G_Protocol4Parser.prototype.parse = function(text) {
var response = {};
if (!text)
return response;
var lines = text.split(this.newlineRegExp_);
for (var i = 0; i < lines.length; i++)
if (this.protocol4RegExp_.exec(lines[i]))
response[RegExp.$1] = RegExp.$2;
return response;
}
G_Protocol4Parser.prototype.serialize = function(map) {
if (typeof map != "object")
throw new Error("map must be an object");
var text = "";
for (var key in map) {
if (typeof map[key] != "string")
throw new Error("Keys and values must be strings");
text += key + ":" + map[key].length + ":" + map[key] + "\n";
}
return text;
}
function TEST_G_Protocol4Parser() {
if (G_GDEBUG) {
var z = "protocol4 UNITTEST";
G_debugService.enableZone(z);
G_Debug(z, "Starting");
var p = new G_Protocol4Parser();
function isEmpty(map) {
for (var key in map)
return false;
return true;
};
G_Assert(z, isEmpty(p.parse(null)), "Parsing null broken");
G_Assert(z, isEmpty(p.parse("")), "Parsing nothing broken");
var t = "foo:3:bar";
G_Assert(z, p.parse(t)["foo"] === "bar", "Parsing one line broken");
t = "foo:3:bar\n";
G_Assert(z, p.parse(t)["foo"] === "bar", "Parsing line with lf broken");
t = "foo:3:bar\r\n";
G_Assert(z, p.parse(t)["foo"] === "bar", "Parsing with crlf broken");
t = "foo:3:bar\nbar:3:baz\r\nbom:3:yaz\n";
G_Assert(z, p.parse(t)["foo"] === "bar", "First in multiline");
G_Assert(z, p.parse(t)["bar"] === "baz", "Second in multiline");
G_Assert(z, p.parse(t)["bom"] === "yaz", "Third in multiline");
G_Assert(z, p.parse(t)[""] === undefined, "Non-existent in multiline");
var original = {
"1": "1",
"2": "2",
"foobar": "baz",
"hello there": "how are you?" ,
};
var deserialized = p.parse(p.serialize(original));
for (var key in original)
G_Assert(z, original[key] === deserialized[key],
"Trouble (de)serializing " + key);
G_Debug(z, "PASSED");
}
}