1
const charset = "windows-936";
3
function error(inString, outString, msg){
7
for (i = 0; i < inString.length; ++i) {
8
dispIn += " x" + inString.charCodeAt(i).toString(16);
10
if (outString.length == 0) {
13
for (i = 0; i < outString.length; ++i) {
14
dispOut += " x" + outString.charCodeAt(i).toString(16);
17
dump("\"" + dispIn + "\" ==> \"" + dispOut + "\"\n");
18
do_throw("security risk: " + msg);
22
var ScriptableUnicodeConverter =
23
Components.Constructor("@mozilla.org/intl/scriptableunicodeconverter",
24
"nsIScriptableUnicodeConverter");
26
var converter = new ScriptableUnicodeConverter();
27
converter.charset = charset;
29
var leadByte, trailByte;
31
for (leadByte = 1; leadByte < 0x100; ++leadByte) {
32
for (trailByte = 1; trailByte < 0x100; ++trailByte) {
33
inString = String.fromCharCode(leadByte, trailByte, 65);
34
var outString = converter.ConvertToUnicode(inString) + converter.Finish();
35
switch (outString.length) {
37
error(inString, outString, "2 byte sequence eaten");
40
if (outString.charCodeAt(0) < 0x80 &&
41
outString.charCodeAt(1) < 0x80) {
42
error(inString, outString, "2 byte sequence converted to 1 ASCII");
46
if (outString != inString &&
47
outString.charCodeAt(0) < 0x80 &&
48
outString.charCodeAt(1) < 0x80) {
49
error(inString, outString,
50
"2 byte sequence converted to 2 ASCII");