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|
##
## Utility functions for Man->HTML converter. Note that these
## functions are specifically intended to work with the format as used
## by Tcl and Tk; they do not cope with arbitrary nroff markup.
##
## Copyright (c) 1995-1997 Roger E. Critchlow Jr
## Copyright (c) 2004-2011 Donal K. Fellows
set ::manual(report-level) 1
proc manerror {msg} {
global manual
set name {}
set subj {}
set procname [lindex [info level -1] 0]
if {[info exists manual(name)]} {
set name $manual(name)
}
if {[info exists manual(section)] && [string length $manual(section)]} {
puts stderr "$name: $manual(section): $procname: $msg"
} else {
puts stderr "$name: $procname: $msg"
}
}
proc manreport {level msg} {
global manual
if {$level < $manual(report-level)} {
uplevel 1 [list manerror $msg]
}
}
proc fatal {msg} {
global manual
uplevel 1 [list manerror $msg]
exit 1
}
##
## templating
##
proc indexfile {} {
if {[info exists ::TARGET] && $::TARGET eq "devsite"} {
return "index.tml"
} else {
return "contents.htm"
}
}
proc copyright {copyright {level {}}} {
# We don't actually generate a separate copyright page anymore
#set page "${level}copyright.htm"
#return "<A HREF=\"$page\">Copyright</A> © [htmlize-text [lrange $copyright 2 end]]"
# obfuscate any email addresses that may appear in name
set who [string map {@ (at)} [lrange $copyright 2 end]]
return "Copyright © [htmlize-text $who]"
}
proc copyout {copyrights {level {}}} {
set out "<div class=\"copy\">"
foreach c $copyrights {
append out "[copyright $c $level]\n"
}
append out "</div>"
return $out
}
proc CSS {{level ""}} {
return "<link rel=\"stylesheet\" href=\"${level}$::CSSFILE\" type=\"text/css\" media=\"all\">\n"
}
proc DOCTYPE {} {
return "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">"
}
proc htmlhead {title header args} {
set level ""
if {[lindex $args end] eq "../[indexfile]"} {
# XXX hack - assume same level for CSS file
set level "../"
}
set out "[DOCTYPE]\n<HTML>\n<HEAD><TITLE>$title</TITLE>\n[CSS $level]</HEAD>\n"
foreach {uptitle url} $args {
set header "<a href=\"$url\">$uptitle</a> <small>></small> $header"
}
append out "<BODY><H2>$header</H2>"
global manual
if {[info exists manual(subheader)]} {
set subs {}
foreach {name subdir} $manual(subheader) {
if {$name eq $title} {
lappend subs $name
} else {
lappend subs "<A HREF=\"${level}$subdir/[indexfile]\">$name</A>"
}
}
append out "\n<H3>[join $subs { | }]</H3>"
}
return $out
}
##
## parsing
##
proc unquote arg {
return [string map [list \" {}] $arg]
}
proc parse-directive {line codename restname} {
upvar 1 $codename code $restname rest
return [regexp {^(\.[.a-zA-Z0-9]*) *(.*)} $line all code rest]
}
proc htmlize-text {text {charmap {}}} {
# contains some extras for use in nroff->html processing
# build on the list passed in, if any
lappend charmap \
{&} {&} \
{\\} "\" \
{\e} "\" \
{\ } { } \
{\|} { } \
{\0} { } \
\" {"} \
{<} {<} \
{>} {>} \
\u201c "“" \
\u201d "”"
return [string map $charmap $text]
}
proc process-text {text} {
global manual
# preprocess text; note that this is an incomplete map, and will probably
# need to have things added to it as the manuals expand to use them.
set charmap [list \
{\&} "\t" \
{\%} {} \
"\\\n" "\n" \
{\(+-} "±" \
{\(co} "©" \
{\(em} "—" \
{\(fm} "′" \
{\(mu} "×" \
{\(mi} "−" \
{\(->} "<font size=\"+1\">→</font>" \
{\fP} {\fR} \
{\.} . \
{\(bu} "•" \
]
lappend charmap {\o'o^'} {ô} ; # o-circumflex in re_syntax.n
lappend charmap {\-\|\-} -- ; # two hyphens
lappend charmap {\-} - ; # a hyphen
set text [htmlize-text $text $charmap]
# General quoted entity
regsub -all {\\N'(\d+)'} $text "\\&#\\1;" text
while {[string first "\\" $text] >= 0} {
# C R
if {[regsub {^([^\\]*)\\fC([^\\]*)\\fR(.*)$} $text \
{\1<TT>\2</TT>\3} text]} continue
# B R
if {[regsub {^([^\\]*)\\fB([^\\]*)\\fR(.*)$} $text \
{\1<B>\2</B>\3} text]} continue
# B I
if {[regsub {^([^\\]*)\\fB([^\\]*)\\fI(.*)$} $text \
{\1<B>\2</B>\\fI\3} text]} continue
# I R
if {[regsub {^([^\\]*)\\fI([^\\]*)\\fR(.*)$} $text \
{\1<I>\2</I>\3} text]} continue
# I B
if {[regsub {^([^\\]*)\\fI([^\\]*)\\fB(.*)$} $text \
{\1<I>\2</I>\\fB\3} text]} continue
# B B, I I, R R
if {
[regsub {^([^\\]*)\\fB([^\\]*)\\fB(.*)$} $text \
{\1\\fB\2\3} ntext]
|| [regsub {^([^\\]*)\\fI([^\\]*)\\fI(.*)$} $text \
{\1\\fI\2\3} ntext]
|| [regsub {^([^\\]*)\\fR([^\\]*)\\fR(.*)$} $text \
{\1\\fR\2\3} ntext]
} {
manerror "impotent font change: $text"
set text $ntext
continue
}
# unrecognized
manerror "uncaught backslash: $text"
set text [string map [list "\\" "\"] $text]
}
return $text
}
##
## pass 2 text input and matching
##
proc open-text {} {
global manual
set manual(text-length) [llength $manual(text)]
set manual(text-pointer) 0
}
proc more-text {} {
global manual
return [expr {$manual(text-pointer) < $manual(text-length)}]
}
proc next-text {} {
global manual
if {[more-text]} {
set text [lindex $manual(text) $manual(text-pointer)]
incr manual(text-pointer)
return $text
}
manerror "read past end of text"
error "fatal"
}
proc is-a-directive {line} {
return [string match .* $line]
}
proc split-directive {line opname restname} {
upvar 1 $opname op $restname rest
set op [string range $line 0 2]
set rest [string trim [string range $line 3 end]]
}
proc next-op-is {op restname} {
global manual
upvar 1 $restname rest
if {[more-text]} {
set text [lindex $manual(text) $manual(text-pointer)]
if {[string equal -length 3 $text $op]} {
set rest [string range $text 4 end]
incr manual(text-pointer)
return 1
}
}
return 0
}
proc backup-text {n} {
global manual
if {$manual(text-pointer)-$n >= 0} {
incr manual(text-pointer) -$n
}
}
proc match-text args {
global manual
set nargs [llength $args]
if {$manual(text-pointer) + $nargs > $manual(text-length)} {
return 0
}
set nback 0
foreach arg $args {
if {![more-text]} {
backup-text $nback
return 0
}
set arg [string trim $arg]
set targ [string trim [lindex $manual(text) $manual(text-pointer)]]
if {$arg eq $targ} {
incr nback
incr manual(text-pointer)
continue
}
if {[regexp {^@(\w+)$} $arg all name]} {
upvar 1 $name var
set var $targ
incr nback
incr manual(text-pointer)
continue
}
if {[regexp -nocase {^(\.[A-Z][A-Z])@(\w+)$} $arg all op name]\
&& [string equal $op [lindex $targ 0]]} {
upvar 1 $name var
set var [lrange $targ 1 end]
incr nback
incr manual(text-pointer)
continue
}
backup-text $nback
return 0
}
return 1
}
proc expand-next-text {n} {
global manual
return [join [lrange $manual(text) $manual(text-pointer) \
[expr {$manual(text-pointer)+$n-1}]] \n\n]
}
##
## pass 2 output
##
proc man-puts {text} {
global manual
lappend manual(output-$manual(wing-file)-$manual(name)) $text
}
##
## build hypertext links to tables of contents
##
proc long-toc {text} {
global manual
set here M[incr manual(section-toc-n)]
set manual($manual(name)-id-$text) $here
set there L[incr manual(long-toc-n)]
lappend manual(section-toc) \
"<DD><A HREF=\"$manual(name).htm#$here\" NAME=\"$there\">$text</A>"
return "<A NAME=\"$here\">$text</A>"
}
proc option-toc {name class switch} {
global manual
# Special case handling, oh we hate it but must do it
if {[string match "*OPTIONS" $manual(section)]} {
if {$manual(name) ne "ttk_widget" && ($manual(name) ne "ttk_entry" ||
![string match validate* $name])} {
# link the defined option into the long table of contents
set link [long-toc "$switch, $name, $class"]
regsub -- "$switch, $name, $class" $link "$switch" link
return $link
}
} elseif {"$manual(name):$manual(section)" ne "options:DESCRIPTION"} {
error "option-toc in $manual(name) section $manual(section)"
}
# link the defined standard option to the long table of contents and make
# a target for the standard option references from other man pages.
set first [lindex $switch 0]
set here M$first
set there L[incr manual(long-toc-n)]
set manual(standard-option-$manual(name)-$first) \
"<A HREF=\"$manual(name).htm#$here\">$switch, $name, $class</A>"
lappend manual(section-toc) \
"<DD><A HREF=\"$manual(name).htm#$here\" NAME=\"$there\">$switch, $name, $class</A>"
return "<A NAME=\"$here\">$switch</A>"
}
proc std-option-toc {name page} {
global manual
if {[info exists manual(standard-option-$page-$name)]} {
lappend manual(section-toc) <DD>$manual(standard-option-$page-$name)
return $manual(standard-option-$page-$name)
}
manerror "missing reference to \"$name\" in $page.n"
set here M[incr manual(section-toc-n)]
set there L[incr manual(long-toc-n)]
set other M$name
lappend manual(section-toc) "<DD><A HREF=\"$page.htm#$other\">$name</A>"
return "<A HREF=\"$page.htm#$other\">$name</A>"
}
##
## process the widget option section
## in widget and options man pages
##
proc output-widget-options {rest} {
global manual
man-puts <DL>
lappend manual(section-toc) <DL>
backup-text 1
set para {}
while {[next-op-is .OP rest]} {
switch -exact -- [llength $rest] {
3 {
lassign $rest switch name class
}
5 {
set switch [lrange $rest 0 2]
set name [lindex $rest 3]
set class [lindex $rest 4]
}
default {
fatal "bad .OP $rest"
}
}
if {![regexp {^(<.>)([-\w ]+)(</.>)$} $switch \
all oswitch switch cswitch]} {
if {![regexp {^(<.>)([-\w ]+) or ([-\w ]+)(</.>)$} $switch \
all oswitch switch1 switch2 cswitch]} {
error "not Switch: $switch"
}
set switch "$switch1$cswitch or $oswitch$switch2"
}
if {![regexp {^(<.>)([\w]*)(</.>)$} $name all oname name cname]} {
error "not Name: $name"
}
if {![regexp {^(<.>)([\w]*)(</.>)$} $class all oclass class cclass]} {
error "not Class: $class"
}
man-puts "$para<DT>Command-Line Name: $oswitch[option-toc $name $class $switch]$cswitch"
man-puts "<DT>Database Name: $oname$name$cname"
man-puts "<DT>Database Class: $oclass$class$cclass"
man-puts <DD>[next-text]
set para <P>
if {[next-op-is .RS rest]} {
while {[more-text]} {
set line [next-text]
if {[is-a-directive $line]} {
split-directive $line code rest
switch -exact -- $code {
.RE {
break
}
.SH - .SS {
manerror "unbalanced .RS at section end"
backup-text 1
break
}
default {
output-directive $line
}
}
} else {
man-puts $line
}
}
}
}
man-puts </DL>
lappend manual(section-toc) </DL>
}
##
## process .RS lists
##
proc output-RS-list {} {
global manual
if {[next-op-is .IP rest]} {
output-IP-list .RS .IP $rest
if {[match-text .RE .sp .RS @rest .IP @rest2]} {
man-puts <P>$rest
output-IP-list .RS .IP $rest2
}
if {[match-text .RE .sp .RS @rest .RE]} {
man-puts <P>$rest
return
}
if {[next-op-is .RE rest]} {
return
}
}
man-puts <DL><DD>
while {[more-text]} {
set line [next-text]
if {[is-a-directive $line]} {
split-directive $line code rest
switch -exact -- $code {
.RE {
break
}
.SH - .SS {
manerror "unbalanced .RS at section end"
backup-text 1
break
}
default {
output-directive $line
}
}
} else {
man-puts $line
}
}
man-puts </DL>
}
##
## process .IP lists which may be plain indents,
## numeric lists, or definition lists
##
proc output-IP-list {context code rest} {
global manual
if {![string length $rest]} {
# blank label, plain indent, no contents entry
man-puts <DL><DD>
while {[more-text]} {
set line [next-text]
if {[is-a-directive $line]} {
split-directive $line code rest
if {$code eq ".IP" && $rest eq {}} {
man-puts "<P>"
continue
}
if {$code in {.br .DS .RS}} {
output-directive $line
} else {
backup-text 1
break
}
} else {
man-puts $line
}
}
man-puts </DL>
} else {
# labelled list, make contents
if {$context ne ".SH" && $context ne ".SS"} {
man-puts <P>
}
set dl "<DL class=\"[string tolower $manual(section)]\">"
set enddl "</DL>"
if {$code eq ".IP"} {
if {[regexp {^\[[\da-f]+\]|\(?[\da-f]+\)$} $rest]} {
set dl "<OL class=\"[string tolower $manual(section)]\">"
set enddl "</OL>"
} elseif {"•" eq $rest} {
set dl "<UL class=\"[string tolower $manual(section)]\">"
set enddl "</UL>"
}
}
man-puts $dl
lappend manual(section-toc) $dl
backup-text 1
set accept_RE 0
set para {}
while {[more-text]} {
set line [next-text]
if {[is-a-directive $line]} {
split-directive $line code rest
switch -exact -- $code {
.IP {
if {$accept_RE} {
output-IP-list .IP $code $rest
continue
}
if {$manual(section) eq "ARGUMENTS"} {
man-puts "$para<DT>$rest<DD>"
} elseif {[regexp {^\[([\da-f]+)\]$} $rest -> value]} {
man-puts "$para<LI value=\"$value\">"
} elseif {[regexp {^\(?([\da-f]+)\)$} $rest -> value]} {
man-puts "$para<LI value=\"$value\">"
} elseif {"•" eq $rest} {
man-puts "$para<LI>"
} else {
man-puts "$para<DT>[long-toc $rest]<DD>"
}
}
.sp - .br - .DS - .CS {
output-directive $line
}
.RS {
if {[match-text .RS]} {
output-directive $line
incr accept_RE 1
} elseif {[match-text .CS]} {
output-directive .CS
incr accept_RE 1
} elseif {[match-text .PP]} {
output-directive .PP
incr accept_RE 1
} elseif {[match-text .DS]} {
output-directive .DS
incr accept_RE 1
} else {
output-directive $line
}
}
.PP {
if {[match-text @rest1 .br @rest2 .RS]} {
# yet another nroff kludge as above
man-puts "$para<DT>[long-toc $rest1]"
man-puts "<DT>[long-toc $rest2]<DD>"
incr accept_RE 1
} elseif {[match-text @rest .RE]} {
# gad, this is getting ridiculous
if {!$accept_RE} {
man-puts "$enddl<P>$rest$dl"
backup-text 1
set para {}
break
}
man-puts "<P>$rest"
incr accept_RE -1
} elseif {$accept_RE} {
output-directive $line
} else {
backup-text 1
break
}
}
.RE {
if {!$accept_RE} {
backup-text 1
break
}
incr accept_RE -1
}
default {
backup-text 1
break
}
}
} else {
man-puts $line
}
set para <P>
}
man-puts "$para$enddl"
lappend manual(section-toc) $enddl
if {$accept_RE} {
manerror "missing .RE in output-IP-list"
}
}
}
##
## handle the NAME section lines
## there's only one line in the NAME section,
## consisting of a comma separated list of names,
## followed by a hyphen and a short description.
##
proc output-name {line} {
global manual
# split name line into pieces
regexp {^([^-]+) - (.*)$} [regsub -all {[ \n\r\t]+} $line " "] -> head tail
# output line to manual page untouched
man-puts "$head — $tail"
# output line to long table of contents
lappend manual(section-toc) "<DL><DD>$head — $tail</DD></DL>"
# separate out the names for future reference
foreach name [split $head ,] {
set name [string trim $name]
if {[llength $name] > 1} {
manerror "name has a space: {$name}\nfrom: $line"
}
lappend manual(wing-toc) $name
lappend manual(name-$name) $manual(wing-file)/$manual(name)
}
}
##
## build a cross-reference link if appropriate
##
proc cross-reference {ref} {
global manual remap_link_target
global ensemble_commands exclude_refs_map exclude_when_followed_by_map
set manname $manual(name)
set mantail $manual(tail)
if {[string match "Tcl_*" $ref] || [string match "Tk_*" $ref] || [string match "Ttk_*" $ref]} {
regexp {^\w+} $ref lref
##
## apply a link remapping if available
##
if {[info exists remap_link_target($lref)]} {
set lref $remap_link_target($lref)
}
} elseif {$ref eq "Tcl"} {
set lref $ref
} elseif {
[regexp {^[A-Z0-9 ?!]+$} $ref]
&& [info exists manual($manname-id-$ref)]
} {
return "<A HREF=\"#$manual($manname-id-$ref)\">$ref</A>"
} else {
set lref [string tolower $ref]
##
## apply a link remapping if available
##
if {[info exists remap_link_target($lref)]} {
set lref $remap_link_target($lref)
}
}
##
## nothing to reference
##
if {![info exists manual(name-$lref)]} {
foreach name $ensemble_commands {
if {
[regexp "^$name \[a-z0-9]*\$" $lref] &&
[info exists manual(name-$name)] &&
$mantail ne "$name.n" &&
(![info exists exclude_refs_map($mantail)] ||
$manual(name-$name) ni $exclude_refs_map($mantail))
} {
return "<A HREF=\"../$manual(name-$name).htm\">$ref</A>"
}
}
if {$lref in {end}} {
# no good place to send this tcl token?
}
return $ref
}
set manref $manual(name-$lref)
##
## would be a self reference
##
foreach name $manref {
if {"$manual(wing-file)/$manname" in $name} {
return $ref
}
}
##
## multiple choices for reference
##
if {[llength $manref] > 1} {
set tcl_i [lsearch -glob $manref *TclCmd*]
if {$tcl_i >= 0 && $manual(wing-file) eq "TclCmd"
|| $manual(wing-file) eq "TclLib"} {
set tcl_ref [lindex $manref $tcl_i]
return "<A HREF=\"../$tcl_ref.htm\">$ref</A>"
}
set tk_i [lsearch -glob $manref *TkCmd*]
if {$tk_i >= 0 && $manual(wing-file) eq "TkCmd"
|| $manual(wing-file) eq "TkLib"} {
set tk_ref [lindex $manref $tk_i]
return "<A HREF=\"../$tk_ref.htm\">$ref</A>"
}
if {$lref eq "exit" && $mantail eq "tclsh.1" && $tcl_i >= 0} {
set tcl_ref [lindex $manref $tcl_i]
return "<A HREF=\"../$tcl_ref.htm\">$ref</A>"
}
puts stderr "multiple cross reference to $ref in $manref from $manual(wing-file)/$mantail"
return $ref
}
##
## exceptions, sigh, to the rule
##
if {[info exists exclude_when_followed_by_map($mantail)]} {
upvar 1 tail tail
set following_word [lindex [regexp -inline {\S+} $tail] 0]
foreach {this that} $exclude_when_followed_by_map($mantail) {
# only a ref if $this is not followed by $that
if {$lref eq $this && [string match $that* $following_word]} {
return $ref
}
}
}
if {
[info exists exclude_refs_map($mantail)]
&& $lref in $exclude_refs_map($mantail)
} {
return $ref
}
##
## return the cross reference
##
return "<A HREF=\"../$manref.htm\">$ref</A>"
}
##
## reference generation errors
##
proc reference-error {msg text} {
global manual
puts stderr "$manual(tail): $msg: {$text}"
return $text
}
##
## insert as many cross references into this text string as are appropriate
##
proc insert-cross-references {text} {
global manual
set result ""
while 1 {
##
## we identify cross references by:
## ``quotation''
## <B>emboldening</B>
## Tcl_ prefix
## Tk_ prefix
## [a-zA-Z0-9]+ manual entry
## and we avoid messing with already anchored text
##
##
## find where each item lives - EXPENSIVE - and accumulate a list
##
unset -nocomplain offsets
foreach {name pattern} {
anchor {<A } end-anchor {</A>}
quote {``} end-quote {''}
bold {<B>} end-bold {</B>}
tcl {Tcl_}
tk {Tk_}
ttk {Ttk_}
Tcl1 {Tcl manual entry}
Tcl2 {Tcl overview manual entry}
url {http://}
} {
set o [string first $pattern $text]
if {[set offset($name) $o] >= 0} {
set invert($o) $name
lappend offsets $o
}
}
##
## if nothing, then we're done.
##
if {![info exists offsets]} {
return [append result $text]
}
##
## sort the offsets
##
set offsets [lsort -integer $offsets]
##
## see which we want to use
##
switch -exact -- $invert([lindex $offsets 0]) {
anchor {
if {$offset(end-anchor) < 0} {
return [reference-error {Missing end anchor} $text]
}
append result [string range $text 0 $offset(end-anchor)]
set text [string range $text[set text ""] \
[expr {$offset(end-anchor)+1}] end]
continue
}
quote {
if {$offset(end-quote) < 0} {
return [reference-error "Missing end quote" $text]
}
if {$invert([lindex $offsets 1]) in {tcl tk ttk}} {
set offsets [lreplace $offsets 1 1]
}
switch -exact -- $invert([lindex $offsets 1]) {
end-quote {
append result [string range $text 0 [expr {$offset(quote)-1}]]
set body [string range $text [expr {$offset(quote)+2}] \
[expr {$offset(end-quote)-1}]]
set text [string range $text[set text ""] \
[expr {$offset(end-quote)+2}] end]
set tail $text
append result `` [cross-reference $body] ''
continue
}
bold -
anchor {
append result [string range $text \
0 [expr {$offset(end-quote)+1}]]
set text [string range $text[set text ""] \
[expr {$offset(end-quote)+2}] end]
continue
}
}
return [reference-error "Uncaught quote case" $text]
}
bold {
if {$offset(end-bold) < 0} {
return [append result $text]
}
if {$invert([lindex $offsets 1]) in {tcl tk ttk}} {
set offsets [lreplace $offsets 1 1]
}
switch -exact -- $invert([lindex $offsets 1]) {
url - end-bold {
append result \
[string range $text 0 [expr {$offset(bold)-1}]]
set body [string range $text [expr {$offset(bold)+3}] \
[expr {$offset(end-bold)-1}]]
set text [string range $text[set text ""] \
[expr {$offset(end-bold)+4}] end]
set tail $text
regsub {http://[\w/.]+} $body {<A HREF="&">&</A>} body
append result <B> [cross-reference $body] </B>
continue
}
anchor {
append result \
[string range $text 0 [expr {$offset(end-bold)+3}]]
set text [string range $text[set text ""] \
[expr {$offset(end-bold)+4}] end]
continue
}
default {
return [reference-error "Uncaught bold case" $text]
}
}
}
tk {
append result [string range $text 0 [expr {$offset(tk)-1}]]
if {![regexp -indices -start $offset(tk) {Tk_\w+} $text range]} {
return [reference-error "Tk regexp failed" $text]
}
set body [string range $text {*}$range]
set text [string range $text[set text ""] \
[expr {[lindex $range 1]+1}] end]
set tail $text
append result [cross-reference $body]
continue
}
ttk {
append result [string range $text 0 [expr {$offset(ttk)-1}]]
if {![regexp -indices -start $offset(ttk) {Ttk_\w+} $text range]} {
return [reference-error "Ttk regexp failed" $text]
}
set body [string range $text {*}$range]
set text [string range $text[set text ""] \
[expr {[lindex $range 1]+1}] end]
set tail $text
append result [cross-reference $body]
continue
}
tcl {
append result [string range $text 0 [expr {$offset(tcl)-1}]]
if {![regexp -indices -start $offset(tcl) {Tcl_\w+} $text range]} {
return [reference-error "Tcl regexp failed" $text]
}
set body [string range $text {*}$range]
set text [string range $text[set text ""] \
[expr {[lindex $range 1]+1}] end]
set tail $text
append result [cross-reference $body]
continue
}
Tcl1 -
Tcl2 {
set off [lindex $offsets 0]
append result [string range $text 0 [expr {$off-1}]]
set text [string range $text[set text ""] [expr {$off+3}] end]
set tail $text
append result [cross-reference Tcl]
continue
}
url {
set off [lindex $offsets 0]
append result [string range $text 0 [expr {$off-1}]]
regexp -indices -start $off {http://[\w/.]+} $text range
set url [string range $text {*}$range]
append result "<A HREF=\"$url\">" $url "</A>"
set text [string range $text[set text ""] \
[expr {[lindex $range 1]+1}] end]
continue
}
end-anchor -
end-bold -
end-quote {
return [reference-error "Out of place $invert([lindex $offsets 0])" $text]
}
}
}
}
##
## process formatting directives
##
proc output-directive {line} {
global manual
# process format directive
split-directive $line code rest
switch -exact -- $code {
.BS - .BE {
# man-puts <HR>
}
.SH - .SS {
# drain any open lists
# announce the subject
set manual(section) $rest
# start our own stack of stuff
set manual($manual(name)-$manual(section)) {}
lappend manual(has-$manual(section)) $manual(name)
if {$code ne ".SS"} {
man-puts "<H3>[long-toc $manual(section)]</H3>"
} else {
man-puts "<H4>[long-toc $manual(section)]</H4>"
}
# some sections can simply free wheel their way through the text
# some sections can be processed in their own loops
switch -exact -- [string index $code end]:$manual(section) {
H:NAME {
set names {}
while {1} {
set line [next-text]
if {[is-a-directive $line]} {
backup-text 1
output-name [join $names { }]
return
}
lappend names [string trim $line]
}
}
H:SYNOPSIS {
lappend manual(section-toc) <DL>
while {1} {
if {
[next-op-is .nf rest]
|| [next-op-is .br rest]
|| [next-op-is .fi rest]
} {
continue
}
if {
[next-op-is .SH rest]
|| [next-op-is .SS rest]
|| [next-op-is .BE rest]
|| [next-op-is .SO rest]
} {
backup-text 1
break
}
if {[next-op-is .sp rest]} {
#man-puts <P>
continue
}
set more [next-text]
if {[is-a-directive $more]} {
manerror "in SYNOPSIS found $more"
backup-text 1
break
}
foreach more [split $more \n] {
regexp {^(\s*)(.*)} $more -> spaces more
set spaces [string map {" " " "} $spaces]
if {[string length $spaces]} {
set spaces <TT>$spaces</TT>
}
man-puts $spaces$more<BR>
if {$manual(wing-file) in {TclLib TkLib}} {
lappend manual(section-toc) <DD>$more
}
}
}
lappend manual(section-toc) </DL>
return
}
{H:SEE ALSO} {
while {[more-text]} {
if {[next-op-is .SH rest] || [next-op-is .SS rest]} {
backup-text 1
return
}
set more [next-text]
if {[is-a-directive $more]} {
manerror "$more"
backup-text 1
return
}
set nmore {}
foreach cr [split $more ,] {
set cr [string trim $cr]
if {![regexp {^<B>.*</B>$} $cr]} {
set cr <B>$cr</B>
}
if {[regexp {^<B>(.*)\([13n]\)</B>$} $cr all name]} {
set cr <B>$name</B>
}
lappend nmore $cr
}
man-puts [join $nmore {, }]
}
return
}
H:KEYWORDS {
while {[more-text]} {
if {[next-op-is .SH rest] || [next-op-is .SS rest]} {
backup-text 1
return
}
set more [next-text]
if {[is-a-directive $more]} {
manerror "$more"
backup-text 1
return
}
set keys {}
foreach key [split $more ,] {
set key [string trim $key]
lappend manual(keyword-$key) [list $manual(name) \
$manual(wing-file)/$manual(name).htm]
set initial [string toupper [string index $key 0]]
lappend keys "<A href=\"../Keywords/$initial.htm\#$key\">$key</A>"
}
man-puts [join $keys {, }]
}
return
}
}
if {[next-op-is .IP rest]} {
output-IP-list $code .IP $rest
return
}
if {[next-op-is .PP rest]} {
return
}
return
}
.SO {
# When there's a sequence of multiple .SO chunks, process into one
set optslist {}
while 1 {
if {[match-text @stuff .SE]} {
foreach opt [split $stuff \n\t] {
lappend optslist [list $opt $rest]
}
} else {
manerror "unexpected .SO format:\n[expand-next-text 2]"
}
if {![next-op-is .SO rest]} {
break
}
}
output-directive {.SH STANDARD OPTIONS}
man-puts <DL>
lappend manual(section-toc) <DL>
foreach optionpair [lsort -dictionary -index 0 $optslist] {
lassign $optionpair option targetPage
man-puts "<DT><B>[std-option-toc $option $targetPage]</B>"
}
man-puts </DL>
lappend manual(section-toc) </DL>
}
.OP {
output-widget-options $rest
return
}
.IP {
output-IP-list .IP .IP $rest
return
}
.PP {
man-puts <P>
}
.RS {
output-RS-list
return
}
.RE {
manerror "unexpected .RE"
return
}
.br {
man-puts <BR>
return
}
.DE {
manerror "unexpected .DE"
return
}
.DS {
if {[next-op-is .ta rest]} {
# skip the leading .ta directive if it is there
}
if {[match-text @stuff .DE]} {
set td "<td><p class=\"tablecell\">"
set bodyText [string map [list \n <tr>$td \t $td] \n$stuff]
man-puts "<dl><dd><table border=\"0\">$bodyText</table></dl>"
#man-puts <PRE>$stuff</PRE>
} elseif {[match-text .fi @ul1 @ul2 .nf @stuff .DE]} {
man-puts "<PRE>[lindex $ul1 1][lindex $ul2 1]\n$stuff</PRE>"
} else {
manerror "unexpected .DS format:\n[expand-next-text 2]"
}
return
}
.CS {
if {[next-op-is .ta rest]} {
# ???
}
if {[match-text @stuff .CE]} {
man-puts <PRE>$stuff</PRE>
} else {
manerror "unexpected .CS format:\n[expand-next-text 2]"
}
return
}
.CE {
manerror "unexpected .CE"
return
}
.sp {
man-puts <P>
}
.ta {
manerror "ignoring $line"
}
.nf {
if {[match-text @more .fi]} {
foreach more [split $more \n] {
man-puts $more<BR>
}
} elseif {[match-text .RS @more .RE .fi]} {
man-puts <DL><DD>
foreach more [split $more \n] {
man-puts $more<BR>
}
man-puts </DL>
} elseif {[match-text .RS @more .RS @more2 .RE .RE .fi]} {
man-puts <DL><DD>
foreach more [split $more \n] {
man-puts $more<BR>
}
man-puts <DL><DD>
foreach more2 [split $more2 \n] {
man-puts $more2<BR>
}
man-puts </DL></DL>
} elseif {[match-text .RS @more .RS @more2 .RE @more3 .RE .fi]} {
man-puts <DL><DD>
foreach more [split $more \n] {
man-puts $more<BR>
}
man-puts <DL><DD>
foreach more2 [split $more2 \n] {
man-puts $more2<BR>
}
man-puts </DL><DD>
foreach more3 [split $more3 \n] {
man-puts $more3<BR>
}
man-puts </DL>
} elseif {[match-text .sp .RS @more .RS @more2 .sp .RE .RE .fi]} {
man-puts <P><DL><DD>
foreach more [split $more \n] {
man-puts $more<BR>
}
man-puts <DL><DD>
foreach more2 [split $more2 \n] {
man-puts $more2<BR>
}
man-puts </DL></DL><P>
} elseif {[match-text .RS .sp @more .sp .RE .fi]} {
man-puts <P><DL><DD>
foreach more [split $more \n] {
man-puts $more<BR>
}
man-puts </DL><P>
} else {
manerror "ignoring $line"
}
}
.fi {
manerror "ignoring $line"
}
.na -
.ad -
.UL -
.ne {
manerror "ignoring $line"
}
default {
manerror "unrecognized format directive: $line"
}
}
}
##
## merge copyright listings
##
proc merge-copyrights {l1 l2} {
set merge {}
set re1 {^Copyright +(?:\(c\)|\\\(co|©) +(\w.*?)(?:all rights reserved)?(?:\. )*$}
set re2 {^(\d+) +(?:by +)?(\w.*)$} ;# date who
set re3 {^(\d+)-(\d+) +(?:by +)?(\w.*)$} ;# from to who
set re4 {^(\d+), *(\d+) +(?:by +)?(\w.*)$} ;# date1 date2 who
foreach copyright [concat $l1 $l2] {
if {[regexp -nocase -- $re1 $copyright -> info]} {
set info [string trimright $info ". "] ; # remove extra period
if {[regexp -- $re2 $info -> date who]} {
lappend dates($who) $date
continue
} elseif {[regexp -- $re3 $info -> from to who]} {
for {set date $from} {$date <= $to} {incr date} {
lappend dates($who) $date
}
continue
} elseif {[regexp -- $re3 $info -> date1 date2 who]} {
lappend dates($who) $date1 $date2
continue
}
}
puts "oops: $copyright"
}
foreach who [array names dates] {
set list [lsort -dictionary $dates($who)]
if {[llength $list] == 1 || [lindex $list 0] eq [lrange $list end end]} {
lappend merge "Copyright © [lindex $list 0] $who"
} else {
lappend merge "Copyright © [lindex $list 0]-[lrange $list end end] $who"
}
}
return [lsort -dictionary $merge]
}
proc makedirhier {dir} {
try {
if {![file isdirectory $dir]} {
file mkdir $dir
}
} on error msg {
return -code error "cannot create directory $dir: $msg"
}
}
proc addbuffer {args} {
global manual
if {$manual(partial-text) ne ""} {
append manual(partial-text) \n
}
append manual(partial-text) [join $args ""]
}
proc flushbuffer {} {
global manual
if {$manual(partial-text) ne ""} {
lappend manual(text) [process-text $manual(partial-text)]
set manual(partial-text) ""
}
}
return
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