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gerrit-public.fairphone.software / platform / external / openssh / 718fd4b9b8e934e3de9b7e4b153cb86a2fef5f1e / . / mdoc2man.awk
blob: 4e72cdc1c2a34f1507cba5d5456acc1ab24bcfff [file] [log] [blame]
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]1#!/usr/bin/awk
2#
3# Version history:
4# v3, I put the program under a proper license
5# Dan Nelson <dnelson@allantgroup.com> added .An, .Aq and fixed a typo
6# v2, fixed to work on GNU awk --posix and MacOS X
7# v1, first attempt, didn't work on MacOS X
8#
9# Copyright (c) 2003 Peter Stuge <stuge-mdoc2man@cdy.org>
10#
11# Permission to use, copy, modify, and distribute this software for any
12# purpose with or without fee is hereby granted, provided that the above
13# copyright notice and this permission notice appear in all copies.
14#
15# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
16# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
17# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
18# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
20# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
21# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22
23
24BEGIN {
25 optlist=0
26 oldoptlist=0
27 nospace=0
28 synopsis=0
29 reference=0
30 block=0
31 ext=0
32 extopt=0
33 literal=0
34 prenl=0
Darren Tuckerd062da52004-07-02 18:43:09 +1000[diff] [blame]35 breakw=0
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]36 line=""
37}
38
39function wtail() {
40 retval=""
41 while(w<nwords) {
42 if(length(retval))
43 retval=retval OFS
44 retval=retval words[++w]
45 }
46 return retval
47}
48
49function add(str) {
50 for(;prenl;prenl--)
51 line=line "\n"
52 line=line str
53}
54
55! /^\./ {
56 for(;prenl;prenl--)
57 print ""
58 print
59 if(literal)
60 print ".br"
61 next
62}
63
64/^\.\\"/ { next }
65
66{
67 option=0
68 parens=0
69 angles=0
70 sub("^\\.","")
71 nwords=split($0,words)
72 for(w=1;w<=nwords;w++) {
73 skip=0
74 if(match(words[w],"^Li|Pf$")) {
75 skip=1
76 } else if(match(words[w],"^Xo$")) {
77 skip=1
78 ext=1
79 if(length(line)&&!(match(line," $")||prenl))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]80 add(OFS)
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]81 } else if(match(words[w],"^Xc$")) {
82 skip=1
83 ext=0
84 if(!extopt)
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]85 prenl++
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]86 w=nwords
87 } else if(match(words[w],"^Bd$")) {
88 skip=1
89 if(match(words[w+1],"-literal")) {
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]90 literal=1
91 prenl++
92 w=nwords
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]93 }
94 } else if(match(words[w],"^Ed$")) {
95 skip=1
96 literal=0
97 } else if(match(words[w],"^Ns$")) {
98 skip=1
99 if(!nospace)
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]100 nospace=1
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]101 sub(" $","",line)
102 } else if(match(words[w],"^No$")) {
103 skip=1
104 sub(" $","",line)
105 add(words[++w])
106 } else if(match(words[w],"^Dq$")) {
107 skip=1
108 add("``")
109 add(words[++w])
110 while(w<nwords&&!match(words[w+1],"^[\\.,]"))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]111 add(OFS words[++w])
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]112 add("''")
113 if(!nospace&&match(words[w+1],"^[\\.,]"))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]114 nospace=1
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]115 } else if(match(words[w],"^Sq|Ql$")) {
116 skip=1
117 add("`" words[++w] "'")
118 if(!nospace&&match(words[w+1],"^[\\.,]"))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]119 nospace=1
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]120 } else if(match(words[w],"^Oo$")) {
121 skip=1
122 extopt=1
123 if(!nospace)
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]124 nospace=1
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]125 add("[")
126 } else if(match(words[w],"^Oc$")) {
127 skip=1
128 extopt=0
129 add("]")
130 }
131 if(!skip) {
132 if(!nospace&&length(line)&&!(match(line," $")||prenl))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]133 add(OFS)
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]134 if(nospace==1)
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]135 nospace=0
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]136 }
137 if(match(words[w],"^Dd$")) {
138 date=wtail()
139 next
140 } else if(match(words[w],"^Dt$")) {
141 id=wtail()
142 next
143 } else if(match(words[w],"^Os$")) {
144 add(".TH " id " \"" date "\" \"" wtail() "\"")
145 } else if(match(words[w],"^Sh$")) {
146 add(".SH")
147 synopsis=match(words[w+1],"SYNOPSIS")
148 } else if(match(words[w],"^Xr$")) {
149 add("\\fB" words[++w] "\\fP(" words[++w] ")" words[++w])
150 } else if(match(words[w],"^Rs$")) {
151 split("",refauthors)
152 nrefauthors=0
153 reftitle=""
154 refissue=""
155 refdate=""
156 refopt=""
157 reference=1
158 next
159 } else if(match(words[w],"^Re$")) {
160 prenl++
161 for(i=nrefauthors-1;i>0;i--) {
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]162 add(refauthors[i])
163 if(i>1)
164 add(", ")
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]165 }
166 if(nrefauthors>1)
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]167 add(" and ")
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]168 add(refauthors[0] ", \\fI" reftitle "\\fP")
169 if(length(refissue))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]170 add(", " refissue)
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]171 if(length(refdate))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]172 add(", " refdate)
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]173 if(length(refopt))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]174 add(", " refopt)
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]175 add(".")
176 reference=0
177 } else if(reference) {
178 if(match(words[w],"^%A$")) { refauthors[nrefauthors++]=wtail() }
179 if(match(words[w],"^%T$")) {
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]180 reftitle=wtail()
181 sub("^\"","",reftitle)
182 sub("\"$","",reftitle)
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]183 }
184 if(match(words[w],"^%N$")) { refissue=wtail() }
185 if(match(words[w],"^%D$")) { refdate=wtail() }
186 if(match(words[w],"^%O$")) { refopt=wtail() }
187 } else if(match(words[w],"^Nm$")) {
188 if(synopsis) {
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]189 add(".br")
190 prenl++
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]191 }
192 n=words[++w]
193 if(!length(name))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]194 name=n
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]195 if(!length(n))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]196 n=name
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]197 add("\\fB" n "\\fP")
198 if(!nospace&&match(words[w+1],"^[\\.,]"))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]199 nospace=1
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]200 } else if(match(words[w],"^Nd$")) {
201 add("\\- " wtail())
202 } else if(match(words[w],"^Fl$")) {
203 add("\\fB\\-" words[++w] "\\fP")
204 if(!nospace&&match(words[w+1],"^[\\.,]"))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]205 nospace=1
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]206 } else if(match(words[w],"^Ar$")) {
207 add("\\fI")
208 if(w==nwords)
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]209 add("file ...\\fP")
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]210 else {
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]211 add(words[++w] "\\fP")
212 while(match(words[w+1],"^\\|$"))
213 add(OFS words[++w] " \\fI" words[++w] "\\fP")
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]214 }
215 if(!nospace&&match(words[w+1],"^[\\.,]"))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]216 nospace=1
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]217 } else if(match(words[w],"^Cm$")) {
218 add("\\fB" words[++w] "\\fP")
219 while(w<nwords&&match(words[w+1],"^[\\.,:;)]"))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]220 add(words[++w])
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]221 } else if(match(words[w],"^Op$")) {
222 option=1
223 if(!nospace)
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]224 nospace=1
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]225 add("[")
226 } else if(match(words[w],"^Pp$")) {
227 prenl++
228 } else if(match(words[w],"^An$")) {
229 prenl++
230 } else if(match(words[w],"^Ss$")) {
231 add(".SS")
232 } else if(match(words[w],"^Pa$")&&!option) {
233 add("\\fI")
234 w++
235 if(match(words[w],"^\\."))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]236 add("\\&")
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]237 add(words[w] "\\fP")
238 while(w<nwords&&match(words[w+1],"^[\\.,:;)]"))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]239 add(words[++w])
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]240 } else if(match(words[w],"^Dv$")) {
241 add(".BR")
242 } else if(match(words[w],"^Em|Ev$")) {
243 add(".IR")
244 } else if(match(words[w],"^Pq$")) {
245 add("(")
246 nospace=1
247 parens=1
248 } else if(match(words[w],"^Aq$")) {
249 add("<")
250 nospace=1
251 angles=1
252 } else if(match(words[w],"^S[xy]$")) {
253 add(".B " wtail())
254 } else if(match(words[w],"^Ic$")) {
255 plain=1
256 add("\\fB")
257 while(w<nwords) {
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]258 w++
259 if(match(words[w],"^Op$")) {
260 w++
261 add("[")
262 words[nwords]=words[nwords] "]"
263 }
264 if(match(words[w],"^Ar$")) {
265 add("\\fI" words[++w] "\\fP")
266 } else if(match(words[w],"^[\\.,]")) {
267 sub(" $","",line)
268 if(plain) {
269 add("\\fP")
270 plain=0
271 }
272 add(words[w])
273 } else {
274 if(!plain) {
275 add("\\fB")
276 plain=1
277 }
278 add(words[w])
279 }
280 if(!nospace)
281 add(OFS)
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]282 }
283 sub(" $","",line)
284 if(plain)
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]285 add("\\fP")
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]286 } else if(match(words[w],"^Bl$")) {
287 oldoptlist=optlist
288 if(match(words[w+1],"-bullet"))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]289 optlist=1
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]290 else if(match(words[w+1],"-enum")) {
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]291 optlist=2
292 enum=0
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]293 } else if(match(words[w+1],"-tag"))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]294 optlist=3
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]295 else if(match(words[w+1],"-item"))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]296 optlist=4
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]297 else if(match(words[w+1],"-bullet"))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]298 optlist=1
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]299 w=nwords
300 } else if(match(words[w],"^El$")) {
301 optlist=oldoptlist
Darren Tuckerd062da52004-07-02 18:43:09 +1000[diff] [blame]302 } else if(match(words[w],"^Bk$")) {
303 if(match(words[w+1],"-words")) {
304 w++
305 breakw=1
306 }
307 } else if(match(words[w],"^Ek$")) {
308 breakw=0
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]309 } else if(match(words[w],"^It$")&&optlist) {
310 if(optlist==1)
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]311 add(".IP \\(bu")
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]312 else if(optlist==2)
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]313 add(".IP " ++enum ".")
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]314 else if(optlist==3) {
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]315 add(".TP")
316 prenl++
Darren Tucker58cef1f2004-06-28 15:45:08 +1000[diff] [blame]317 if(match(words[w+1],"^Pa$|^Ev$")) {
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]318 add(".B")
319 w++
320 }
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]321 } else if(optlist==4)
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]322 add(".IP")
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]323 } else if(match(words[w],"^Sm$")) {
324 if(match(words[w+1],"off"))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]325 nospace=2
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]326 else if(match(words[w+1],"on"))
Damien Millera8e06ce2003-11-21 23:48:55 +1100[diff] [blame]327 nospace=0
Darren Tucker167bd9c2003-09-07 12:34:54 +1000[diff] [blame]328 w++
329 } else if(!skip) {
330 add(words[w])
331 }
332 }
333 if(match(line,"^\\.[^a-zA-Z]"))
334 sub("^\\.","",line)
335 if(parens)
336 add(")")
337 if(angles)
338 add(">")
339 if(option)
340 add("]")
341 if(ext&&!extopt&&!match(line," $"))
342 add(OFS)
343 if(!ext&&!extopt&&length(line)) {
344 print line
345 prenl=0
346 line=""
347 }
348}