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D Programming Language 2.0

Last update Sat Jun 12 09:24:29 2010

std.base64

Encodes/decodes MIME base64 data.

References:
Wikipedia Base64
RFC 2045

class Base64Exception: object.Exception;

class Base64CharException: std.base64.Base64Exception;

uint encodeLength(uint slen);
Returns the number of bytes needed to encode a string of length slen.

char[] encode(string str, char[] buf);
Encodes str[] and places the result in buf[].

Parameters:
string str string to encode
char[] buf destination buffer, must be large enough for the result.

Returns:
slice into buf[] representing encoded result

string encode(string str);
Encodes str[] and returns the result.

uint decodeLength(uint elen);
Returns the number of bytes needed to decode an encoded string of this length.

char[] decode(string estr, char[] buf);
Decodes str[] and places the result in buf[].

Parameters:
str string to encode
char[] buf destination buffer, must be large enough for the result.

Returns:
slice into buf[] representing encoded result

Errors:
Throws Base64Exception on invalid base64 encoding in estr[]. Throws Base64CharException on invalid base64 character in estr[].

string decode(string estr);
Decodes estr[] and returns the result.

Errors:
Throws Base64Exception on invalid base64 encoding in estr[]. Throws Base64CharException on invalid base64 character in estr[].