| function dec2char(n) { |
| // converts a decimal number to a Unicode character |
| // n: the dec codepoint value to be converted |
| if (n <= 0xffff) { |
| out = String.fromCharCode(n); |
| } else if (n <= 0x10ffff) { |
| n -= 0x10000; |
| out = |
| String.fromCharCode(0xd800 | (n >> 10)) + |
| String.fromCharCode(0xdc00 | (n & 0x3ff)); |
| } else out = "dec2char error: Code point out of range: " + n; |
| return out; |
| } |
| |
| function euckrDecoder(stream) { |
| stream = stream.replace(/%/g, " "); |
| stream = stream.replace(/[\s]+/g, " ").trim(); |
| var bytes = stream.split(" "); |
| for (i = 0; i < bytes.length; i++) bytes[i] = parseInt(bytes[i], 16); |
| var out = ""; |
| var lead, byte, offset, ptr, cp; |
| var euckrLead = 0x00; |
| var endofstream = 2000000; |
| var finished = false; |
| |
| while (!finished) { |
| if (bytes.length == 0) byte = endofstream; |
| else byte = bytes.shift(); |
| |
| if (byte == endofstream && euckrLead != 0x00) { |
| euckrLead = 0x00; |
| out += "�"; |
| continue; |
| } |
| if (byte == endofstream && euckrLead == 0x00) { |
| finished = true; |
| continue; |
| } |
| |
| if (euckrLead != 0x00) { |
| lead = euckrLead; |
| ptr = null; |
| euckrLead = 0x00; |
| if (byte >= 0x41 || byte <= 0xfe) |
| ptr = (lead - 0x81) * 190 + (byte - 0x41); |
| if (ptr == null) cp = null; |
| else cp = euckr[ptr]; |
| if (cp == null && byte >= 0x00 && byte <= 0x7f) bytes.unshift(byte); |
| if (cp == null) { |
| out += "�"; |
| continue; |
| } |
| out += dec2char(cp); |
| continue; |
| } |
| if (byte >= 0x00 && byte <= 0x7f) { |
| out += dec2char(byte); |
| continue; |
| } |
| if (byte >= 0x81 && byte <= 0xfe) { |
| euckrLead = byte; |
| continue; |
| } |
| out += "�"; |
| } |
| return out; |
| } |