/usr/lib/X11/xedit/lisp/progmodes/sgml.lsp is in x11-apps 7.6+5ubuntu1.
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;; Copyright (c) 2002 by The XFree86 Project, Inc.
;;
;; Permission is hereby granted, free of charge, to any person obtaining a
;; copy of this software and associated documentation files (the "Software"),
;; to deal in the Software without restriction, including without limitation
;; the rights to use, copy, modify, merge, publish, distribute, sublicense,
;; and/or sell copies of the Software, and to permit persons to whom the
;; Software is furnished to do so, subject to the following conditions:
;;
;; The above copyright notice and this permission notice shall be included in
;; all copies or substantial portions of the Software.
;;
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
;; THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
;; WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
;; OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;; SOFTWARE.
;;
;; Except as contained in this notice, the name of the XFree86 Project shall
;; not be used in advertising or otherwise to promote the sale, use or other
;; dealings in this Software without prior written authorization from the
;; XFree86 Project.
;;
;; Author: Paulo César Pereira de Andrade
;;
;;
;; $XFree86: xc/programs/xedit/lisp/modules/progmodes/sgml.lsp,v 1.2 2002/10/06 17:11:48 paulo Exp $
;;
(require "syntax")
(in-package "XEDIT")
;; Default property the text is shown.
(defsynprop *prop-sgml-default*
"default"
:font "-*-helvetica-medium-r-*-*-12-*-*-*-*-*-*-1"
:foreground "Gray10"
)
(defsynprop *prop-sgml-default-short*
"default-short"
:font "-*-helvetica-medium-r-*-*-12-*-*-*-*-*-*-1"
:foreground "Gray10"
:underline t
)
;; Large font.
(defsynprop *prop-sgml-sect*
"sect"
:font "-*-helvetica-bold-r-*-*-17-*-*-*-*-*-*-1"
:foreground "Gray20"
)
;; Monospaced property.
(defsynprop *prop-sgml-tt*
"tt"
:font "-*-courier-medium-r-*-*-12-*-*-*-*-*-*-1"
:foreground "Black"
)
;; Italic property.
(defsynprop *prop-sgml-it*
"it"
:font "-*-helvetica-medium-o-*-*-12-*-*-*-*-*-*-1"
:foreground "Black"
)
;; Bold font property.
(defsynprop *prop-sgml-bf*
"bf"
:font "-*-helvetica-bold-r-*-*-12-*-*-*-*-*-*-1"
:foreground "Gray10"
)
;; Looks like a link...
(defsynprop *prop-sgml-link*
"link"
:font "-*-helvetica-medium-r-*-*-12-*-*-*-*-*-*-1"
:foreground "blue"
:underline t
)
;; Monospaced, also looks like a link...
(defsynprop *prop-sgml-email*
"email"
:font "-*-courier-medium-r-*-*-12-*-*-*-*-*-*-1"
:foreground "blue"
:underline t
)
;; Another monospaced property,
(defsynprop *prop-sgml-screen*
"screen"
:font "-*-fixed-*-*-*-*-*-*-*-*-*-*-*-1"
:foreground "Gray10"
)
(defsynprop *prop-sgml-maybe-entity*
"maybe-entity"
:font "*lucidatypewriter-medium-r*-12-*"
:foreground "VioletRed4"
:background "LightYellow"
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; The macros sgml-syntoken and sgml-syntable allows creating rules for
;; matching text inside tags in the format:
;; <tag> or <tag arg=value> or <tag arg1=value ... argn=value>
;; any-text
;; </tag>
;; The generated rules don't allow things like: < tag> or </tag >
;;
;; This could also be done as a normal definition, with a starting rule like:
;; "<(tag1|tag2|tag3)\\>"
;; and an ending rule like:
;; "</(tag1|tag2|tag3)>"
;; But is implemented in way that will fail on purpose for things like:
;; <tag1>any text</tag3></tag1>
;;
;; NOTE: These definitions aren't cheap in the time required to process the
;; file, and are just adaptations/tests with the syntax-highlight code,
;; probably it is better to avoid using it in other syntax definitions.
;; NOTE2: It cannot be defined as a single macro because it is required to
;; generate 2 entries in the main SGML syntax highlight definition,
;; or, should generate the entire definition from a macro; you will
;; need to type the tag name twice, but shouldn't be a problem if
;; you are using sgml :-)
;; XXX: Maybe the syntax-highlight code could save the starting match and
;; apply a regex generated at run-time to check for the ending tag,
;; but this probably would make the parser too slow, better to have
;; a specialized parser if that is required...
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defmacro sgml-syntoken (name)
`(syntoken (string-concat "<" ,name "\\>")
:icase t
:contained t
:begin (intern (string-concat ,name "$") 'keyword))
)
(defmacro sgml-syntable (name property)
`(let
(
(label (intern (string-concat ,name "$") 'keyword))
(nested-label (intern (string (gensym)) 'keyword))
)
(syntable label *prop-preprocessor* nil
;; tag is still open, process any options
(synaugment :generic-tag)
(syntoken ">"
:nospec t
:property *prop-preprocessor*
:begin nested-label)
;; Generate a nested table that includes everything, and only
;; returns when the closing tag is found.
(syntable nested-label ,property nil
(syntoken (string-concat "</" ,name ">")
:icase t
:nospec t
:property *prop-preprocessor*
:switch -2)
(synaugment :main)
)
)
)
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Generate tokens for tags that don't require and ending tag.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defmacro sgml-syntable-simple (name property)
`(let
(
(label (intern (string-concat ,name "$") 'keyword))
(nested-label (intern (string (gensym)) 'keyword))
)
(syntable label *prop-preprocessor* nil
;; tag is still open, process any options
(synaugment :generic-tag)
(syntoken ">"
:nospec t
:property *prop-preprocessor*
:begin nested-label)
;; Generate a nested table that finishes whenever an unmatched
;; start or end tag is found.
(syntable nested-label ,property nil
(syntoken "</"
:icase t
:nospec t
:contained t
:begin :simple-nested-tag)
;; These will take precedence over other rules
(syntoken "<"
:icase t
:nospec t
:contained t
:begin :simple-nested-tag)
(syntoken "<p>"
:icase t
:nospec t
:property *prop-preprocessor*
:switch :main)
(synaugment :main)
)
)
)
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Define some macros to generate tokens for tags in the format:
;; <tag/ ... /
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defmacro sgml-syntoken-short (name)
`(syntoken (string-concat "<" ,name "/")
:icase t
:property *prop-preprocessor*
:begin (intern (string-concat ,name "/") 'keyword))
)
(defmacro sgml-syntable-short (name property)
`(syntable (intern (string-concat ,name "/") 'keyword) ,property nil
(syntoken "/"
:nospec t
:property *prop-preprocessor*
:switch -1)
(syntoken "</?\\w+>"
:property *prop-control*
:switch :main)
)
)
;; The main SGML syntax table
(defsyntax *sgml-mode* :main *prop-sgml-default* nil nil
;; Comments
(syntoken "<!--"
:nospec t
:contained t
:begin :comment)
(syntable :comment *prop-comment* nil
;; Only one rule, to finish the comment.
(syntoken "-->"
:nospec t
:switch -1)
)
;; Entities
(syntoken "&[a-zA-Z0-9_.-]+;"
:property *prop-constant*)
;; Probably an entity, missing ending `;'
(syntoken "&[a-zA-Z0-9_.-]+"
:property *prop-sgml-maybe-entity*)
;; Strings
(syntable :string *prop-string* nil
;; Ignore escaped characters.
(syntoken "\\\\.")
;; Rule to finish the string.
(syntoken "\""
:nospec t
:switch -1)
)
;; Links
(syntable :link *prop-preprocessor* nil
;; No link string following "url="
(syntoken ">"
:nospec t
:property *prop-control*
:switch -1)
(syntoken "\""
:nospec t
:contained t
:begin :link-string)
(syntable :link-string *prop-sgml-link* nil
;; Ignore escaped characters.
(syntoken "\\\\.")
;; Rule to finish the link, note that returns two levels.
(syntoken "\""
:nospec t
:switch -2)
)
)
;; "Special" tag
(syntoken "<!"
:nospec t
:contained t
:begin :special-tag)
;; Rules for "special" tags
(syntable :special-tag *prop-preprocessor* nil
(syntoken "["
:nospec t
:property *prop-preprocessor*
:begin :brackets)
;; Finish the "special" tag
(syntoken ">"
:nospec t
:switch -1)
(syntable :brackets *prop-sgml-default* nil
(syntoken "]"
:nospec t
:property *prop-preprocessor*
:switch -1)
;; Allow nesting.
(syntoken "["
:nospec t
:property *prop-preprocessor*
:begin :brackets)
;; Entities.
(syntoken "%[a-zA-Z0-9_.-]+;?"
:property *prop-annotation*)
;; Allow everything inside the brackets
(synaugment :main)
)
;; Don't use generic tag tokens, only create a rule for strings
(syntoken "\""
:nospec t
:begin :string
:contained t)
;; Allow everything inside the "special" tag
(synaugment :main)
)
;; Some "short" tags
(sgml-syntoken-short "tt")
(sgml-syntable-short "tt" *prop-sgml-tt*)
(sgml-syntoken-short "it")
(sgml-syntable-short "it" *prop-sgml-it*)
(sgml-syntoken-short "bf")
(sgml-syntable-short "bf" *prop-sgml-bf*)
(sgml-syntoken-short "em")
(sgml-syntable-short "em" *prop-sgml-bf*)
;; Short tag
(syntoken "<\\w+/"
:property *prop-preprocessor*
:begin :short-tag)
(syntable :short-tag *prop-sgml-default-short* nil
(syntoken "/"
:nospec t
:property *prop-preprocessor*
:switch -1)
(syntoken "</?\\w+>"
:property *prop-control*
:switch -1)
)
;; Don't allow spaces, this may and may not be the start of a tag,
;; but the syntax-highlight definition is not specialized...
(syntoken "<([^/a-zA-Z]|$)"
:property *prop-control*)
;; Some tags that require an end tag
(sgml-syntoken "tt")
(sgml-syntable "tt" *prop-sgml-tt*)
(sgml-syntoken "code")
(sgml-syntable "code" *prop-sgml-tt*)
(sgml-syntoken "tag")
(sgml-syntable "tag" *prop-sgml-tt*)
(sgml-syntoken "verb")
(sgml-syntable "verb" *prop-sgml-tt*)
(sgml-syntoken "programlisting")
(sgml-syntable "programlisting" *prop-sgml-tt*)
(sgml-syntoken "it")
(sgml-syntable "it" *prop-sgml-it*)
(sgml-syntoken "bf")
(sgml-syntable "bf" *prop-sgml-bf*)
(sgml-syntoken "em")
(sgml-syntable "em" *prop-sgml-bf*)
(sgml-syntoken "mail")
(sgml-syntable "mail" *prop-sgml-email*)
(sgml-syntoken "email")
(sgml-syntable "email" *prop-sgml-email*)
(sgml-syntoken "screen")
(sgml-syntable "screen" *prop-sgml-screen*)
(sgml-syntoken "tscreen")
(sgml-syntable "tscreen" *prop-sgml-screen*)
;; Helper for tags that don't need an ending one.
;; NOTE: Since the parser is not specialized, if the tag is
;; folowed by one that has a special property defined here,
;; it may not be detected, i.e. put a <p> after the <sect>
;; and it will work.
(syntable :simple-nested-tag *prop-preprocessor* nil
;; tag is still open, process any options
(synaugment :generic-tag)
(syntoken ">"
:nospec t
:property *prop-preprocessor*
:switch -3)
)
(sgml-syntoken "sect")
(sgml-syntable-simple "sect" *prop-sgml-sect*)
(sgml-syntoken "sect1")
(sgml-syntable-simple "sect1" *prop-sgml-sect*)
(sgml-syntoken "sect2")
(sgml-syntable-simple "sect2" *prop-sgml-sect*)
;; Generic tags
(syntoken "<"
:nospec t
:contained t
:begin :tag)
;; Table :generic-tag is defined to be augmented, no rule to finish it.
(syntable :generic-tag *prop-preprocessor* nil
;; Start string
(syntoken "\""
:nospec t
:begin :string
:contained t)
;; Start url link
(syntoken "url="
:nospec t
:begin :link)
;; Cannot nest
(syntoken "<"
:nospec t
:property *prop-control*)
)
(syntable :tag *prop-preprocessor* nil
;; Finish the tag
(syntoken ">"
:nospec t
:switch -1)
;; Import generic definitions
(synaugment :generic-tag)
)
)
|