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Last update Sat Feb 14 11:59:57 2009

# 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[].
  Params:

  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[].
  Params:

  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[].

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