1 USING: help.markup help.syntax math models strings sequences ;
5 { $values { "loc" "a pair of integers" } { "n" integer } { "newloc" "a pair of integers" } }
6 { $description "Adds an integer to the column number of a line/column pair." } ;
8 { +col +line =col =line } related-words
11 { $values { "loc" "a pair of integers" } { "n" integer } { "newloc" "a pair of integers" } }
12 { $description "Adds an integer to the line number of a line/column pair." } ;
15 { $values { "n" integer } { "loc" "a pair of integers" } { "newloc" "a pair of integers" } }
16 { $description "Sets the column number of a line/column pair." } ;
19 { $values { "n" integer } { "loc" "a pair of integers" } { "newloc" "a pair of integers" } }
20 { $description "Sets the line number of a line/column pair." } ;
23 { $values { "loc1" "a pair of integers" } { "loc2" "a pair of integers" } { "?" "a boolean" } }
24 { $description "Tests if both line/column pairs have the same line number." } ;
27 { $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" } "." } ;
30 { $values { "document" "a new " { $link document } } }
31 { $description "Creates a new, empty " { $link document } "." } ;
34 { $values { "n" "a non-negative integer" } { "document" document } { "string" string } }
35 { $description "Outputs the " { $snippet "n" } "th line of the document." }
36 { $errors "Throws an error if " { $snippet "n" } " is out of bounds." } ;
39 { $values { "from" "a non-negative integer" } { "to" "a non-negative integer" } { "document" document } { "slice" slice } }
40 { $description "Outputs a range of lines from the document." }
41 { $notes "The range is created by calling " { $link <slice> } "." }
42 { $errors "Throws an error if " { $snippet "from" } " or " { $snippet "to" } " is out of bounds." } ;
45 { $values { "from" "a non-negative integer" } { "to" "a non-negative integer" } { "quot" { $quotation "( string -- )" } } }
46 { $description "Applies the quotation to each line in the range." }
47 { $notes "The range is created by calling " { $link <slice> } "." }
48 { $errors "Throws an error if " { $snippet "from" } " or " { $snippet "to" } " is out of bounds." } ;
51 { $values { "from" "a pair of integers" } { "to" "a pair of integers" } { "document" document } { "string" "a new " { $link string } } }
52 { $description "Outputs all text in between two line/column number pairs. Lines are separated by " { $snippet "\\n" } "." }
53 { $errors "Throws an error if " { $snippet "from" } " or " { $snippet "to" } " is out of bounds." } ;
56 { $values { "string" string } { "from" "a pair of integers" } { "to" "a pair of integers" } { "document" document } }
57 { $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." }
58 { $errors "Throws an error if " { $snippet "from" } " or " { $snippet "to" } " is out of bounds." }
59 { $side-effects "document" } ;
61 HELP: remove-doc-range
62 { $values { "from" "a pair of integers" } { "to" "a pair of integers" } { "document" document } }
63 { $description "Removes all text between two line/column number pairs." }
64 { $errors "Throws an error if " { $snippet "from" } " or " { $snippet "to" } " is out of bounds." }
65 { $side-effects "document" } ;
68 { $values { "loc" "a pair of integers" } { "document" document } { "newloc" "a pair of integers" } }
69 { $description "Ensures that the line and column numbers in " { $snippet "loc" } " are valid, clamping them to the permitted range if they are not." } ;
72 { $values { "line#" "a non-negative integer" } { "document" document } { "loc" "a pair of integers" } }
73 { $description "Outputs the location where " { $snippet "line#" } " ends." }
74 { $errors "Throws an error if " { $snippet "line#" } " is out of bounds." } ;
77 { $values { "document" document } { "loc" "a pair of integers" } }
78 { $description "Outputs the location of the end of the document." } ;
81 { $values { "document" document } { "str" "a new " { $link string } } }
82 { $description "Outputs the contents of the document as a string. Lines are separated by " { $snippet "\\n" } "." } ;
85 { $values { "string" string } { "document" document } }
86 { $description "Sets the contents of the document to a string, which may use either " { $snippet "\\n" } ", " { $snippet "\\r\\n" } " or " { $snippet "\\r" } " line separators." }
87 { $side-effects "document" } ;
90 { $values { "document" document } }
91 { $description "Removes all text from the document." }
92 { $side-effects "document" } ;
94 ARTICLE: "documents" "Documents"
95 "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 "ui.gadgets.editors" } " can display these models."
100 "Getting and setting the contents of the entire document:"
106 "Getting and setting subranges:"
115 { $subsections each-line }
121 { $see-also "ui.gadgets.editors" } ;
123 ARTICLE: "document-locs" "Document locations"
124 "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:"
131 "Miscellaneous words for working with locations:"