76 lines
3.6 KiB
Factor
76 lines
3.6 KiB
Factor
! Copyright (C) 2009 Daniel Ehrenberg
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! See http://factorcode.org/license.txt for BSD license.
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USING: help.syntax help.markup kernel math strings unicode ;
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IN: unicode.data
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ABOUT: "unicode.data"
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ARTICLE: "unicode.data" "Unicode data tables"
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"The " { $vocab-link "unicode.data" } " vocabulary contains core Unicode data tables and code for parsing this from files. The following words access these data tables."
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{ $subsections
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canonical-entry
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combine-chars
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combining-class
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non-starter?
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name>char
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char>name
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property?
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category
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ch>upper
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ch>lower
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ch>title
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special-case
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} ;
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HELP: canonical-entry
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{ $values { "char" "a code point" } { "seq" string } }
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{ $description "Finds the canonical decomposition (NFD) for a code point" } ;
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HELP: combine-chars
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{ $values { "a" "a code point" } { "b" "a code point" } { "char/f" "a code point" } }
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{ $description "If a followed by b can be combined in NFC, this returns the code point of their combination." } ;
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HELP: compatibility-entry
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{ $values { "char" "a code point" } { "seq" string } }
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{ $description "This returns the compatibility decomposition (NFKD) for a code point" } ;
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HELP: combining-class
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{ $values { "char" "a code point" } { "n" integer } }
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{ $description "Finds the combining class of a code point." } ;
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HELP: non-starter?
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{ $values { "char" "a code point" } { "?" boolean } }
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{ $description "Returns true if the code point has a combining class." } ;
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HELP: char>name
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{ $values { "char" "a code point" } { "name" string } }
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{ $description "Looks up the name of a given code point. Warning: this is not optimized for speed, to save space." } ;
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HELP: name>char
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{ $values { "name" string } { "char" "a code point" } }
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{ $description "Looks up the code point corresponding to a given name." } ;
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HELP: property?
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{ $values { "char" "a code point" } { "property" string } { "?" boolean } }
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{ $description "Tests whether the code point is listed under the given property in PropList.txt in the Unicode Character Database." } ;
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HELP: category
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{ $values { "char" "a code point" } { "category" string } }
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{ $description "Returns the general category of a code point, in the form of a string. This will always be a string within the ASCII range of length two. If the code point is unassigned, then it returns " { $snippet "Cn" } "." } ;
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HELP: ch>upper
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{ $values { "ch" "a code point" } { "upper" "a code point" } }
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{ $description "Returns the simple upper-cased version of the code point, if it exists. This does not handle context-sensitive or locale-dependent properties of linguistically accurate case conversion, and does not correctly handle characters which become multiple characters on conversion to this case." } ;
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HELP: ch>lower
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{ $values { "ch" "a code point" } { "lower" "a code point" } }
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{ $description "Returns the simple lower-cased version of the code point, if it exists. This does not handle context-sensitive or locale-dependent properties of linguistically accurate case conversion, and does not correctly handle characters which become multiple characters on conversion to this case." } ;
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HELP: ch>title
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{ $values { "ch" "a code point" } { "title" "a code point" } }
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{ $description "Returns the simple title-cased version of the code point, if it exists. This does not handle context-sensitive or locale-dependent properties of linguistically accurate case conversion, and does not correctly handle characters which become multiple characters on conversion to this case." } ;
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HELP: special-case
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{ $values { "ch" "a code point" } { "casing-tuple" { "a tuple, or " { $link f } } } }
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{ $description "If a code point has special casing behavior, returns a tuple which represents that information." } ;
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