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.\" www.tmac
.\"
.\" A simple set of macros to provide HTML documents with basic
.\" www functionality. It should work with any macro set.
.\"
.nr _C \n(.C
.cp 0
.
.nr www-html 0
.if '\*[.T]'html' .nr www-html 1
.
.if r ps4html \{\
. \" remove the title command when we are generating images for html
. \" (stops a title accidentally appearing inside an image)
. tl ````
. rm tl
. de tl
. .
.\}
.
.\"
.\" the main auxiliary macro for the HTML interface
.\"
.de HTML
. if \n[www-html] \{\
. \" the following line makes the vertical mode leave, so to say
. nop \&
. nop \X^html:\\$*^
. \}
..
.\"
.\"
.\"
.de HTMLINDEX
. if \n[www-html] \
. nop \X^index:\\$*^
..
.\"
.\" BODYCOLOR - $1 is foreground color
.\" $2 is background color
.\" $3 is the color of an active hypertext link
.\" $4 is the color of a hypertext link not yet visited
.\" $5 is the color of a visited hypertext link
.\"
.de BODYCOLOR
. HTML <body text=\\$1 bgcolor=\\$2 link=\\$3 alink=\\$4 vlink=\\$5>
..
.\"
.\" BACKGROUND - $1 is the background image file
.\"
.de BACKGROUND
. HTML <body background=\\$1>
..
.\"
.\" URL - $1 is the classical underlined blue text
.\" $2 is the url
.\" $3 is optional stuff printed immediately after $3
.\"
.de URL
. ie \n[www-html] \
. HTML <a href="\\$2">\\$1</a>\\$3
. el \
. nop \m[blue]\\$1\mP \%\[la]\fC\\$2\fP\[ra]\\$3
..
.\"
.\" FTP - $1 is the classical underlined blue text
.\" $2 is the ftp url
.\" $3 is optional stuff printed immediately after $2
.\"
.de FTP
. ie \n[www-html] \
. HTML <a href=\\$2>\\$1</a>\\$3
. el \
. nop \m[blue]\\$1\mP \%\[la]\fC\\$2\fP\[ra]\\$3
..
.\"
.\" MAILTO - generate html email reference
.\" $1 is the email address (without the `mailto:' prefix)
.\" $2 is the optional name
.\" $3 is optional stuff printed immediately after $2 (resp. $1)
.\"
.\" example:
.\"
.\" Foobar has been written by
.\" .MAILTO fred@foo.bar "Fredrick Bloggs" .
.\"
.de MAILTO
.\"
.\" force reset after a potential heading by performing some motion..
.\" how do we do this --fixme--
.\" \h'\w' ''\h'-\w' '' doesn't work..
. ie \n[www-html] \{\
. ie '\\$2'' \
. HTML "<a href=mailto:\\$1>\\$1</a>\\$3"
. el \
. HTML "<a href=mailto:\\$1>\\$2</a>\\$3"
. \}
. el \{\
. ie '\\$2'' \
. nop \m[blue]\fC\\$1\fP\mP\\$3
. el \
. nop \m[blue]\\$2\mP \%\[la]\fC\\$1\fP\[ra]\\$3
. \}
..
.\"
.\" TAG - generate an html name $1
.\"
.de TAG
. HTML <a name="\\$1"></a>
..
.\"
.\" IMAGE - reference an image
.\" $1 is the image file
.\" $2 is the alignment r, l or c (centered by default)
.\" $3 is the x width (default if absent is 400 pixels)
.\" $4 is the y width (default if absent is the x value)
.\"
.de IMAGE
. ie \n[www-html] \{\
. ie '\\$2'r' \
. HTML-TAG ".right-image"
. el \{\
. ie '\\$2'l' \
. HTML-TAG ".left-image"
. el \
. HTML-TAG ".centered-image"
. \}
. nr www-width 400
. if !'\\$3'' \
. nr www-width \\$3
. nr www-height \\n[www-width]
. if !'\\$4'' \
. nr www-height \\$4
. HTML <img src="\\$1" width=\\n[www-width] height=\\n[www-height]>
. \}
. el \{\
. B1
. nop \[la]\fC\\$1\fP\[ra]
. B2
. \}
..
.\"
.\" HTML-TAG - emit a tag for the grohtml
.\"
.de HTML-TAG
. if \n[www-html] \{\
. \" the following line makes the vertical mode leave, so to say
. nop \&
. nop \X^html-tag:\\$*^
. \}
..
.\"
.\" LINKS - emit the automatically collected links derived from
.\" section/numbered headings at this position.
.\"
.de LINKS
. HTML-TAG ".links"
..
.\"
.\" LINE - produce a horizontal line
.\"
.de LINE
. ti 0
. HTML <hr>
..
.\"
.\" NO-AUTO-RULE - suppresses the generation of the top and bottom rules
.\" which grohtml emits by default.
.\"
.de NO-AUTO-RULE
. HTML-TAG ".no-auto-rule"
..
.\"
.\" www-end-nowhere - end of input trap called to finish diversion.
.\"
.de www-end-nowhere
. di
..
.\"
.\" HTML-TL - generate a HTML title only
.\" which differs from the -ms .TL which generates
.\" both a HTML title and a H1 heading.
.\" This is useful when an author wishes to use a HTML title
.\" as search engine fodder but use a graphic in the document.
.\"
.de HTML-TL
. HTML-TAG ".html-tl"
. if !\n[www-html] \{\
. di www-nowhere
. it 2 www-end-nowhere
. \}
..
.
.ds www-level1 \[bu]\ \ \"
.ds www-level2 \[sq]\ \ \"
.ds www-level3 \[ci]\ \ \"
.nr www-level 0
.
.\"
.\" auxiliary macro for UL-BEGIN
.\"
.de www-push-level
. nr www-level +1
. if (\\n[www-level] > 3) \
. @error "too many levels of indentation (\\n[www-level])"
..
.\"
.\" auxiliary macro for UL-END
.\"
.de www-pop-level
. if !\\n[www-level] \
. @error "trying to terminate a list which does not exist"
. nr www-level -1
. HTML "</ul>"
..
.\"
.\" start an unordered list
.\"
.de UL-BEGIN
. www-push-level
. ie \n[www-html] \
. HTML "<ul>"
. el \{\
. br
. in +\w'\\*[www-level\\n[www-level]]'
. \}
..
.\"
.\" end an unordered list
.\"
.de UL-END
. ie \n[www-html] \
. HTML "</ul>"
. el \{\
. br
. in -\w'\\*[www-level\\n[www-level]]'
. \}
. www-pop-level
..
.\"
.\" insert a list item
.\"
.de LI
. ie \n[www-html] \
. HTML "<li>"
. el \{\
. br
. ti -\w'\\*[www-level\\n[www-level]]'
. nop \\*[www-level\\n[www-level]]\c
. \}
..
.\"
.\" supplementary macros used by other macro sets
.\"
.\" here are some tags specially for -Tps or -Thtml when invoked by pre-html
.\" to generate png images from postscript.
.\"
.\" www-do-image - tells troff to issue an image marker which can be
.\" read back by pre-html
.\"
.de www-do-image
. if r ps4html \
. nop \O[3]\O[5\\$2\\$1.png]\O[0]\O[1]
. if \n[www-html] \
. nop \O[3]\O[5\\$2\\$1.png]\O[0]
..
.\"
.\" HTML-IMAGE-END - terminates an image for html
.\"
.de HTML-IMAGE-END
. if r ps4html \
. nop \O[2]\O[1]\O[4]
. if \n[www-html] \
. nop \O[2]\O[1]\O[4]
..
.
.nr www-png-no 0
.
.\"
.\" www-make-unique-name - generates another unique name in string
.\" `www-unique-name'
.\"
.de www-make-unique-name
. nr www-png-no +1
. ds www-unique-name \\n[.F]-auto-\\n[www-png-no]\"
..
.\"
.\" HTML-IMAGE - is the same name as a tag generated from eqn/tbl/pic.
.\" Although the tags generated via the preprocessor
.\" are given image names by pre-html and troff.
.\" The macros below can only be invoked by *other macro sets*
.\" not user troff input since the contents of macro sets are
.\" not seen by pre-html.
.\"
.de HTML-IMAGE
. \" generates a centered image
. www-make-unique-name
. www-do-image \\*[www-unique-name] c
..
.
.de HTML-IMAGE-RIGHT
. www-make-unique-name
. www-do-image \\*[www-unique-name] r
..
.
.de HTML-IMAGE-LEFT
. www-make-unique-name
. www-do-image \\*[www-unique-name] l
..
.
.de HTML-IMAGE-INLINE
. www-make-unique-name
. www-do-image \\*[www-unique-name] i
..
.
.
.if \n[www-html] \{\
. nh
. nr HY 0
.\}
.cp \n(_C
.
.\" EOF
|
