! Copyright (C) 2008 John Benediktsson
! See http://factorcode.org/license.txt for BSD license
-
-USING: accessors arrays assocs calendar combinators fry kernel
-generalizations io io.streams.string macros math math.functions
-math.parser peg.ebnf quotations sequences splitting strings
-unicode.categories unicode.case vectors combinators.smart ;
-
+USING: accessors arrays assocs calendar calendar.english
+calendar.private combinators combinators.smart generalizations
+io io.streams.string kernel math math.functions
+math.functions.integer-logs math.parser multiline namespaces
+peg.ebnf present prettyprint quotations sequences
+sequences.generalizations splitting strings unicode ;
+FROM: math.parser.private => format-float ;
IN: formatting
+ERROR: unknown-format-directive value ;
+
<PRIVATE
: compose-all ( seq -- quot )
- [ ] [ compose ] reduce ;
+ [ ] [ compose ] reduce ; inline
: fix-sign ( string -- string )
- dup CHAR: 0 swap index 0 =
- [ dup 0 swap [ [ CHAR: 0 = not ] keep digit? and ] find-from
- [ dup 1- rot dup [ nth ] dip swap
- {
- { CHAR: - [ [ 1- ] dip remove-nth "-" prepend ] }
- { CHAR: + [ [ 1- ] dip remove-nth "+" prepend ] }
- [ drop swap drop ]
- } case
- ] [ drop ] if
- ] when ;
-
-: >digits ( string -- digits )
+ dup first CHAR: 0 = [
+ dup [ [ CHAR: 0 = not ] [ digit? ] bi and ] find
+ [
+ 1 - swap 2dup nth {
+ { CHAR: - [ remove-nth "-" prepend ] }
+ { CHAR: + [ remove-nth "+" prepend ] }
+ [ drop nip ]
+ } case
+ ] [ drop ] if
+ ] when ;
+
+: >digits ( string -- digits )
[ 0 ] [ string>number ] if-empty ;
-: pad-digits ( string digits -- string' )
- [ "." split1 ] dip [ CHAR: 0 pad-tail ] [ head-slice ] bi "." glue ;
-
-: max-digits ( n digits -- n' )
- 10 swap ^ [ * round ] keep / ; inline
-
-: >exp ( x -- exp base )
- [
- abs 0 swap
- [ dup [ 10.0 >= ] [ 1.0 < ] bi or ]
- [ dup 10.0 >=
- [ 10.0 / [ 1+ ] dip ]
- [ 10.0 * [ 1- ] dip ] if
- ] while
- ] keep 0 < [ neg ] when ;
-
-: exp>string ( exp base digits -- string )
- [ max-digits ] keep -rot
+: format-decimal-simple ( x digits -- string )
[
- [ 0 < "-" "+" ? ]
- [ abs number>string 2 CHAR: 0 pad-head ] bi
- "e" -rot 3append
- ]
- [ number>string ] bi*
- rot pad-digits prepend ;
-
-EBNF: parse-printf
+ [ abs ] dip
+ [ 10^ * round-to-even >integer number>string ]
+ [ 1 + CHAR: 0 pad-head ]
+ [ cut* ] tri [ "." glue ] unless-empty
+ ] keepd neg? [ CHAR: - prefix ] when ;
+
+: format-scientific-mantissa ( x log10x digits -- string rounded-up? )
+ [ swap - 10^ * round-to-even >integer number>string ] keep
+ over length 1 - < [
+ [ but-last >string ] when ! 9.9 rounded to 1e+01
+ 1 cut [ "." glue ] unless-empty
+ ] keep ;
+
+: format-scientific-exponent ( rounded-up? log10x -- string )
+ swap [ 1 + ] when number>string 2 CHAR: 0 pad-head
+ dup CHAR: - swap index "e" "e+" ? prepend ;
+
+: format-scientific-simple ( x digits -- string )
+ [
+ [ abs dup integer-log10 ] dip
+ [ format-scientific-mantissa ]
+ [ drop nip format-scientific-exponent ] 3bi append
+ ] keepd neg? [ CHAR: - prefix ] when ;
+
+: format-float-fast ( x digits string -- string )
+ [ "" -1 ] 2dip "C" format-float ;
+
+: format-fast-scientific? ( x digits -- x' digits ? )
+ over float? [ t ]
+ [ 2dup
+ [ [ t ] [ abs integer-log10 abs 308 < ] if-zero ]
+ [ 15 < ] bi* and
+ [ [ [ >float ] dip ] when ] keep
+ ] if ;
+
+: format-scientific ( x digits -- string )
+ format-fast-scientific? [
+ [ "e" format-float-fast ]
+ [ [ ".0e" "e" replace ] [ drop ] if-zero ] bi
+ ] [ format-scientific-simple ] if ;
+
+: format-fast-decimal? ( x digits -- x' digits ? )
+ over float? [ t ]
+ [
+ 2dup
+ [ drop dup integer? [ abs 53 2^ < ] [ drop f ] if ]
+ [ over ratio?
+ [ [ abs integer-log10 ] dip
+ [ drop abs 308 < ] [ + 15 <= ] 2bi and ]
+ [ 2drop f ] if
+ ] 2bi or
+ [ [ [ >float ] dip ] when ] keep
+ ] if ; inline
+
+: format-decimal ( x digits -- string )
+ format-fast-decimal? [
+ [ "f" format-float-fast ]
+ [ [ ".0" ?tail drop ] [ drop ] if-zero ] bi
+ ] [ format-decimal-simple ] if ;
+
+EBNF: parse-printf [=[
zero = "0" => [[ CHAR: 0 ]]
char = "'" (.) => [[ second ]]
pad-char = (zero|char)? => [[ CHAR: \s or ]]
-pad-align = ("-")? => [[ \ pad-tail \ pad-head ? ]]
+pad-align = ("-")? => [[ \ pad-tail \ pad-head ? ]]
pad-width = ([0-9])* => [[ >digits ]]
-pad = pad-align pad-char pad-width => [[ reverse >quotation dup first 0 = [ drop [ ] ] when ]]
+pad = pad-align pad-char pad-width => [[ <reversed> >quotation dup first 0 = [ drop [ ] ] when ]]
-sign = ("+")? => [[ [ dup CHAR: - swap index [ "+" prepend ] unless ] [ ] ? ]]
+sign_ = [+ ] => [[ '[ dup first CHAR: - = [ _ prefix ] unless ] ]]
+sign = (sign_)? => [[ [ ] or ]]
-width_ = "." ([0-9])* => [[ second >digits '[ _ short head ] ]]
-width = (width_)? => [[ [ ] or ]]
+width_ = "." ([0-9])* => [[ second >digits '[ _ index-or-length head ] ]]
+width = (width_)? => [[ [ ] or ]]
digits_ = "." ([0-9])* => [[ second >digits ]]
digits = (digits_)? => [[ 6 or ]]
-fmt-% = "%" => [[ [ "%" ] ]]
+fmt-% = "%" => [[ "%" ]]
fmt-c = "c" => [[ [ 1string ] ]]
fmt-C = "C" => [[ [ 1string >upper ] ]]
-fmt-s = "s" => [[ [ dup number? [ number>string ] when ] ]]
-fmt-S = "S" => [[ [ dup number? [ number>string ] when >upper ] ]]
-fmt-d = "d" => [[ [ >fixnum number>string ] ]]
-fmt-e = digits "e" => [[ first '[ >exp _ exp>string ] ]]
-fmt-E = digits "E" => [[ first '[ >exp _ exp>string >upper ] ]]
-fmt-f = digits "f" => [[ first dup '[ >float _ max-digits number>string _ pad-digits ] ]]
-fmt-x = "x" => [[ [ >hex ] ]]
-fmt-X = "X" => [[ [ >hex >upper ] ]]
-unknown = (.)* => [[ "Unknown directive" throw ]]
-
-strings_ = fmt-c|fmt-C|fmt-s|fmt-S
-strings = pad width strings_ => [[ reverse compose-all ]]
-
-numbers_ = fmt-d|fmt-e|fmt-E|fmt-f|fmt-x|fmt-X
+fmt-s = "s" => [[ [ present ] ]]
+fmt-S = "S" => [[ [ present >upper ] ]]
+fmt-u = "u" => [[ [ unparse ] ]]
+fmt-d = "d" => [[ [ >integer number>string ] ]]
+fmt-o = "o" => [[ [ >integer >oct ] ]]
+fmt-b = "b" => [[ [ >integer >bin ] ]]
+fmt-e = digits "e" => [[ first '[ _ format-scientific ] ]]
+fmt-E = digits "E" => [[ first '[ _ format-scientific >upper ] ]]
+fmt-f = digits "f" => [[ first '[ _ format-decimal ] ]]
+fmt-x = "x" => [[ [ >integer >hex ] ]]
+fmt-X = "X" => [[ [ >integer >hex >upper ] ]]
+unknown = (.)* => [[ "" like unknown-format-directive ]]
+
+strings_ = fmt-c|fmt-C|fmt-s|fmt-S|fmt-u
+strings = pad width strings_ => [[ <reversed> compose-all ]]
+
+numbers_ = fmt-d|fmt-o|fmt-b|fmt-e|fmt-E|fmt-f|fmt-x|fmt-X
numbers = sign pad numbers_ => [[ unclip-last prefix compose-all [ fix-sign ] append ]]
-types = strings|numbers
+types = strings|numbers
-lists = "[%" types ", %]" => [[ second '[ _ map ", " join "{ " prepend " }" append ] ]]
+lists = "[%" types ", %]" => [[ second '[ _ { } map-as ", " join "{ " " }" surround ] ]]
-assocs = "[%" types ": %" types " %]" => [[ [ second ] [ fourth ] bi '[ unzip [ _ map ] dip _ map zip [ ":" join ] map ", " join "{ " prepend " }" append ] ]]
+assocs = "[%" types ": %" types " %]" => [[ [ second ] [ fourth ] bi '[ [ _ _ bi* ":" glue ] { } assoc>map ", " join "{ " " }" surround ] ]]
-formats = "%" (types|fmt-%|lists|assocs|unknown) => [[ second '[ _ dip ] ]]
+formats = "%" (types|fmt-%|lists|assocs|unknown) => [[ second ]]
-plain-text = (!("%").)+ => [[ >string '[ _ swap ] ]]
+plain-text = [^%]+ => [[ >string ]]
-text = (formats|plain-text)* => [[ reverse [ [ [ push ] keep ] append ] map ]]
+text = (formats|plain-text)*
-;EBNF
+]=]
+
+: printf-quot ( format-string -- format-quot n )
+ parse-printf [ [ callable? ] count ] keep [
+ dup string? [ 1quotation ] [ [ 1 - ] dip ] if
+ over [ ndip ] 2curry
+ ] map nip [ compose-all ] [ length ] bi ; inline
PRIVATE>
-MACRO: printf ( format-string -- )
- parse-printf [ length ] keep compose-all '[ _ <vector> @ reverse [ write ] each ] ;
+MACRO: printf ( format-string -- quot )
+ printf-quot '[
+ @ output-stream get [ stream-write ] curry _ napply
+ ] ;
+
+MACRO: sprintf ( format-string -- quot )
+ printf-quot '[
+ @ _ "" nappend-as
+ ] ;
+
+: vprintf ( seq format-string -- )
+ parse-printf output-stream get '[
+ dup string? [
+ [ unclip-slice ] dip call( x -- y )
+ ] unless _ stream-write
+ ] each drop ;
-: sprintf ( format-string -- result )
- [ printf ] with-string-writer ; inline
+: vsprintf ( seq format-string -- result )
+ [ vprintf ] with-string-writer ; inline
<PRIVATE
-: pad-00 ( n -- string ) number>string 2 CHAR: 0 pad-head ; inline
+: pad-00 ( n -- string )
+ number>string 2 CHAR: 0 pad-head ; inline
-: pad-000 ( n -- string ) number>string 3 CHAR: 0 pad-head ; inline
+: pad-000 ( n -- string )
+ number>string 3 CHAR: 0 pad-head ; inline
: >time ( timestamp -- string )
- [ hour>> ] [ minute>> ] [ second>> floor ] tri 3array
- [ pad-00 ] map ":" join ; inline
+ [ hour>> ] [ minute>> ] [ second>> floor ] tri
+ [ pad-00 ] tri@ 3array ":" join ; inline
: >date ( timestamp -- string )
- [ month>> ] [ day>> ] [ year>> ] tri 3array
- [ pad-00 ] map "/" join ; inline
+ [ month>> ] [ day>> ] [ year>> ] tri
+ [ pad-00 ] tri@ 3array "/" join ; inline
: >datetime ( timestamp -- string )
[
[ >time ]
[ year>> number>string ]
} cleave
- ] output>array " " join ; inline
-
-: (week-of-year) ( timestamp day -- n )
- [ dup clone 1 >>month 1 >>day day-of-week dup ] dip > [ 7 swap - ] when
- [ day-of-year ] dip 2dup < [ 0 2nip ] [ - 7 / 1+ >fixnum ] if ;
-
-: week-of-year-sunday ( timestamp -- n ) 0 (week-of-year) ; inline
-
-: week-of-year-monday ( timestamp -- n ) 1 (week-of-year) ; inline
-
-EBNF: parse-strftime
-
-fmt-% = "%" => [[ [ "%" ] ]]
-fmt-a = "a" => [[ [ dup day-of-week day-abbreviation3 ] ]]
-fmt-A = "A" => [[ [ dup day-of-week day-name ] ]]
-fmt-b = "b" => [[ [ dup month>> month-abbreviation ] ]]
-fmt-B = "B" => [[ [ dup month>> month-name ] ]]
-fmt-c = "c" => [[ [ dup >datetime ] ]]
-fmt-d = "d" => [[ [ dup day>> pad-00 ] ]]
-fmt-H = "H" => [[ [ dup hour>> pad-00 ] ]]
-fmt-I = "I" => [[ [ dup hour>> dup 12 > [ 12 - ] when pad-00 ] ]]
-fmt-j = "j" => [[ [ dup day-of-year pad-000 ] ]]
-fmt-m = "m" => [[ [ dup month>> pad-00 ] ]]
-fmt-M = "M" => [[ [ dup minute>> pad-00 ] ]]
-fmt-p = "p" => [[ [ dup hour>> 12 < "AM" "PM" ? ] ]]
-fmt-S = "S" => [[ [ dup second>> floor pad-00 ] ]]
-fmt-U = "U" => [[ [ dup week-of-year-sunday pad-00 ] ]]
-fmt-w = "w" => [[ [ dup day-of-week number>string ] ]]
-fmt-W = "W" => [[ [ dup week-of-year-monday pad-00 ] ]]
-fmt-x = "x" => [[ [ dup >date ] ]]
-fmt-X = "X" => [[ [ dup >time ] ]]
-fmt-y = "y" => [[ [ dup year>> 100 mod pad-00 ] ]]
-fmt-Y = "Y" => [[ [ dup year>> number>string ] ]]
+ ] output>array join-words ; inline
+
+: week-of-year ( timestamp day -- n )
+ [ dup clone first-day-of-year dup clone ]
+ [ day-this-week ] bi* swap '[ _ time- duration>days ] bi@
+ dup 0 < [ 7 + - ] [ drop ] if 7 + 7 /i ;
+
+: week-of-year-sunday ( timestamp -- n ) 0 week-of-year ; inline
+
+: week-of-year-monday ( timestamp -- n ) 1 week-of-year ; inline
+
+EBNF: parse-strftime [=[
+
+fmt-% = "%" => [[ "%" ]]
+fmt-a = "a" => [[ [ day-of-week day-abbreviation3 ] ]]
+fmt-A = "A" => [[ [ day-of-week day-name ] ]]
+fmt-b = "b" => [[ [ month>> month-abbreviation ] ]]
+fmt-B = "B" => [[ [ month>> month-name ] ]]
+fmt-c = "c" => [[ [ >datetime ] ]]
+fmt-d = "d" => [[ [ day>> pad-00 ] ]]
+fmt-H = "H" => [[ [ hour>> pad-00 ] ]]
+fmt-I = "I" => [[ [ hour>> dup 12 > [ 12 - ] when pad-00 ] ]]
+fmt-j = "j" => [[ [ day-of-year pad-000 ] ]]
+fmt-m = "m" => [[ [ month>> pad-00 ] ]]
+fmt-M = "M" => [[ [ minute>> pad-00 ] ]]
+fmt-p = "p" => [[ [ hour>> 12 < "AM" "PM" ? ] ]]
+fmt-S = "S" => [[ [ second>> floor pad-00 ] ]]
+fmt-U = "U" => [[ [ week-of-year-sunday pad-00 ] ]]
+fmt-w = "w" => [[ [ day-of-week number>string ] ]]
+fmt-W = "W" => [[ [ week-of-year-monday pad-00 ] ]]
+fmt-x = "x" => [[ [ >date ] ]]
+fmt-X = "X" => [[ [ >time ] ]]
+fmt-y = "y" => [[ [ year>> 100 mod pad-00 ] ]]
+fmt-Y = "Y" => [[ [ year>> number>string ] ]]
fmt-Z = "Z" => [[ [ "Not yet implemented" throw ] ]]
-unknown = (.)* => [[ "Unknown directive" throw ]]
+unknown = (.)* => [[ "" like unknown-format-directive ]]
formats_ = fmt-%|fmt-a|fmt-A|fmt-b|fmt-B|fmt-c|fmt-d|fmt-H|fmt-I|
fmt-j|fmt-m|fmt-M|fmt-p|fmt-S|fmt-U|fmt-w|fmt-W|fmt-x|
fmt-X|fmt-y|fmt-Y|fmt-Z|unknown
-formats = "%" (formats_) => [[ second '[ _ dip ] ]]
+formats = "%" (formats_) => [[ second ]]
-plain-text = (!("%").)+ => [[ >string '[ _ swap ] ]]
+plain-text = [^%]+ => [[ >string ]]
-text = (formats|plain-text)* => [[ reverse [ [ [ push ] keep ] append ] map ]]
+text = (formats|plain-text)*
-;EBNF
+]=]
PRIVATE>
-MACRO: strftime ( format-string -- )
- parse-strftime [ length ] keep [ ] join
- '[ _ <vector> @ reverse concat nip ] ;
+MACRO: strftime ( format-string -- quot )
+ parse-strftime [
+ dup string? [
+ '[ _ append! ]
+ ] [
+ '[ over @ append! ]
+ ] if
+ ] map concat '[ SBUF" " clone @ nip "" like ] ;
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