Merge commit 'factor/master'

db4
Eduardo Cavazos 2009-01-14 13:12:17 -06:00
commit 8c6da81121
2 changed files with 28 additions and 9 deletions

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@ -7,7 +7,13 @@ HELP: >base64
{ $examples
{ $example "USING: prettyprint base64 strings ;" "\"The monorail is a free service.\" >base64 >string ." "\"VGhlIG1vbm9yYWlsIGlzIGEgZnJlZSBzZXJ2aWNlLg==\"" }
}
{ $see-also base64> } ;
{ $see-also base64> >base64-lines } ;
HELP: >base64-lines
{ $values { "seq" sequence } { "base64" "a string of base64 characters" } }
{ $description "Converts a sequence to its base64 representation by taking six bits at a time as an index into a lookup table containing alphanumerics, '+', and '/'. The result is padded with '=' if the input was not a multiple of six bits. A crlf is inserted for every 76 characters of output." }
{ $see-also base64> >base64-lines } ;
HELP: base64>
{ $values { "base64" "a string of base64 characters" } { "seq" sequence } }
@ -16,13 +22,26 @@ HELP: base64>
{ $example "USING: prettyprint base64 strings ;" "\"VGhlIG1vbm9yYWlsIGlzIGEgZnJlZSBzZXJ2aWNlLg==\" base64> >string ." "\"The monorail is a free service.\"" }
}
{ $notes "This word will throw if the input string contains characters other than those allowed in base64 encodings." }
{ $see-also >base64 } ;
{ $see-also >base64 >base64-lines } ;
HELP: encode-base64
{ $description "Reads the standard input and writes it to standard output encoded in base64." } ;
HELP: decode-base64
{ $description "Reads the standard input and decodes it, writing to standard output." } ;
HELP: encode-base64-lines
{ $description "Reads the standard input and writes it to standard output encoded in base64 with a crlf every 76 characters." } ;
ARTICLE: "base64" "Base 64 conversions"
"The " { $vocab-link "base64" } " vocabulary implements conversions of sequences to printable characters in base 64. These plain-text representations of binary data may be passed around and converted back to binary data later." $nl
"Converting to base 64:"
"Converting to and from base64 as strings:"
{ $subsection >base64 }
"Converting back to binary:"
{ $subsection base64> } ;
{ $subsection >base64-lines }
{ $subsection base64> }
"Using base64 from streams:"
{ $subsection encode-base64 }
{ $subsection encode-base64-lines }
{ $subsection decode-base64 } ;
ABOUT: "base64"

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@ -74,11 +74,11 @@ PRIVATE>
[ malformed-base64 ]
} case ;
: >base64 ( str -- base64 )
: >base64 ( seq -- base64 )
binary [ [ encode-base64 ] with-string-reader ] with-byte-writer ;
: base64> ( base64 -- str )
: base64> ( base64 -- seq )
[ binary [ decode-base64 ] with-byte-reader ] with-string-writer ;
: >base64-lines ( str -- base64 )
binary [ [ encode-base64-lines ] with-string-reader ] with-byte-writer ;
: >base64-lines ( seq -- base64 )
binary [ [ encode-base64-lines ] with-string-reader ] with-byte-writer ;