125 lines
6.1 KiB
Factor
125 lines
6.1 KiB
Factor
USING: help.markup help.syntax math models strings sequences ;
|
|
IN: documents
|
|
|
|
HELP: +col
|
|
{ $values { "loc" "a pair of integers" } { "n" integer } { "newloc" "a pair of integers" } }
|
|
{ $description "Adds an integer to the column number of a line/column pair." } ;
|
|
|
|
{ +col +line =col =line } related-words
|
|
|
|
HELP: +line
|
|
{ $values { "loc" "a pair of integers" } { "n" integer } { "newloc" "a pair of integers" } }
|
|
{ $description "Adds an integer to the line number of a line/column pair." } ;
|
|
|
|
HELP: =col
|
|
{ $values { "loc" "a pair of integers" } { "n" integer } { "newloc" "a pair of integers" } }
|
|
{ $description "Sets the column number of a line/column pair." } ;
|
|
|
|
HELP: =line
|
|
{ $values { "loc" "a pair of integers" } { "n" integer } { "newloc" "a pair of integers" } }
|
|
{ $description "Sets the line number of a line/column pair." } ;
|
|
|
|
HELP: lines-equal?
|
|
{ $values { "loc1" "a pair of integers" } { "loc2" "a pair of integers" } { "?" "a boolean" } }
|
|
{ $description "Tests if both line/column pairs have the same line number." } ;
|
|
|
|
HELP: document
|
|
{ $class-description "A document is a " { $link model } " containing editable text, stored as an array of lines. Documents are created by calling " { $link <document> } ". Documents can be edited with editor gadgets; see " { $vocab-link "ui.gadgets.editors" } "." } ;
|
|
|
|
HELP: <document>
|
|
{ $values { "document" "a new " { $link document } } }
|
|
{ $description "Creates a new, empty " { $link document } "." } ;
|
|
|
|
HELP: doc-line
|
|
{ $values { "n" "a non-negative integer" } { "document" document } { "string" string } }
|
|
{ $description "Outputs the " { $snippet "n" } "th line of the document." }
|
|
{ $errors "Throws an error if " { $snippet "n" } " is out of bounds." } ;
|
|
|
|
HELP: doc-lines
|
|
{ $values { "from" "a non-negative integer" } { "to" "a non-negative integer" } { "document" document } { "slice" slice } }
|
|
{ $description "Outputs a range of lines from the document." }
|
|
{ $notes "The range is created by calling " { $link <slice> } "." }
|
|
{ $errors "Throws an error if " { $snippet "from" } " or " { $snippet "to" } " is out of bounds." } ;
|
|
|
|
HELP: each-line
|
|
{ $values { "from" "a non-negative integer" } { "to" "a non-negative integer" } { "quot" { $quotation "( string -- )" } } }
|
|
{ $description "Applies the quotation to each line in the range." }
|
|
{ $notes "The range is created by calling " { $link <slice> } "." }
|
|
{ $errors "Throws an error if " { $snippet "from" } " or " { $snippet "to" } " is out of bounds." } ;
|
|
|
|
HELP: doc-range
|
|
{ $values { "from" "a pair of integers" } { "to" "a pair of integers" } { "document" document } { "string" "a new " { $link string } } }
|
|
{ $description "Outputs all text in between two line/column number pairs. Lines are separated by " { $snippet "\\n" } "." }
|
|
{ $errors "Throws an error if " { $snippet "from" } " or " { $snippet "to" } " is out of bounds." } ;
|
|
|
|
HELP: set-doc-range
|
|
{ $values { "string" string } { "from" "a pair of integers" } { "to" "a pair of integers" } { "document" document } }
|
|
{ $description "Replaces all text between two line/column number pairs with " { $snippet "string" } ". The string may use either " { $snippet "\\n" } ", " { $snippet "\\r\\n" } " or " { $snippet "\\r" } " line separators." }
|
|
{ $errors "Throws an error if " { $snippet "from" } " or " { $snippet "to" } " is out of bounds." }
|
|
{ $side-effects "document" } ;
|
|
|
|
HELP: remove-doc-range
|
|
{ $values { "from" "a pair of integers" } { "to" "a pair of integers" } { "document" document } }
|
|
{ $description "Removes all text between two line/column number pairs." }
|
|
{ $errors "Throws an error if " { $snippet "from" } " or " { $snippet "to" } " is out of bounds." }
|
|
{ $side-effects "document" } ;
|
|
|
|
HELP: validate-loc
|
|
{ $values { "loc" "a pair of integers" } { "document" document } { "newloc" "a pair of integers" } }
|
|
{ $description "Ensures that the line and column numbers in " { $snippet "loc" } " are valid, clamping them to the permitted range if they are not." } ;
|
|
|
|
HELP: line-end
|
|
{ $values { "line#" "a non-negative integer" } { "document" document } { "loc" "a pair of integers" } }
|
|
{ $description "Outputs the location where " { $snippet "line#" } " ends." }
|
|
{ $errors "Throws an error if " { $snippet "line#" } " is out of bounds." } ;
|
|
|
|
HELP: doc-end
|
|
{ $values { "document" document } { "loc" "a pair of integers" } }
|
|
{ $description "Outputs the location of the end of the document." } ;
|
|
|
|
HELP: doc-string
|
|
{ $values { "document" document } { "str" "a new " { $link string } } }
|
|
{ $description "Outputs the contents of the document as a string. Lines are separated by " { $snippet "\\n" } "." } ;
|
|
|
|
HELP: set-doc-string
|
|
{ $values { "string" string } { "document" document } }
|
|
{ $description "Sets the contents of the document to a string, which may use either " { $snippet "\\n" } ", " { $snippet "\\r\\n" } " or " { $snippet "\\r" } " line separators." }
|
|
{ $side-effects "document" } ;
|
|
|
|
HELP: clear-doc
|
|
{ $values { "document" document } }
|
|
{ $description "Removes all text from the document." }
|
|
{ $side-effects "document" } ;
|
|
|
|
ARTICLE: "documents" "Documents"
|
|
"The " { $vocab-link "documents" } " vocabulary implements " { $emphasis "documents" } ", which are models storing a passage of text as a sequence of lines. Operations are defined for operating on subranges of the text, and " { $link "gadgets-editors" } " can display these models."
|
|
{ $subsection document }
|
|
{ $subsection <document> }
|
|
"Getting and setting the contents of the entire document:"
|
|
{ $subsection doc-string }
|
|
{ $subsection set-doc-string }
|
|
{ $subsection clear-doc }
|
|
"Getting and setting subranges:"
|
|
{ $subsection doc-line }
|
|
{ $subsection doc-lines }
|
|
{ $subsection doc-range }
|
|
{ $subsection set-doc-range }
|
|
{ $subsection remove-doc-range }
|
|
"A combinator:"
|
|
{ $subsection each-line }
|
|
{ $subsection "document-locs" }
|
|
{ $subsection "documents.elements" }
|
|
{ $see-also "gadgets-editors" } ;
|
|
|
|
ARTICLE: "document-locs" "Document locations"
|
|
"Locations in the document are represented as a line/column number pair, with both indices being zero-based. There are some words for manipulating locations:"
|
|
{ $subsection +col }
|
|
{ $subsection +line }
|
|
{ $subsection =col }
|
|
{ $subsection =line }
|
|
"Miscellaneous words for working with locations:"
|
|
{ $subsection lines-equal? }
|
|
{ $subsection validate-loc } ;
|
|
|
|
ABOUT: "documents"
|