- add ISC-licensed mdoc2man.awk from Peter Stuge

- fix --with-mantype=man

1 files changed, 391 insertions, 0 deletions

diff --git a/mk/mdoc2man.awk b/mk/mdoc2man.awk
new file mode 100644
index 00000000..726f628c
--- /dev/null
+++ b/mk/mdoc2man.awk
@@ -0,0 +1,391 @@
+#!/usr/bin/awk
+#
+# Copyright (c) 2003 Peter Stuge <stuge-mdoc2man@cdy.org>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+# Dramatically overhauled by Tim Kientzle.  This version almost
+# handles library-style pages with Fn, Ft, etc commands.  Still
+# a lot of problems...
+
+BEGIN {
+  displaylines = 0
+  trailer = ""
+  out = ""
+  sep = ""
+  nextsep = " "
+}
+
+# Add a word with appropriate preceding whitespace
+# Maintain a short queue of the expected upcoming word separators.
+function add(str) {
+  out=out sep str
+  sep = nextsep
+  nextsep = " "
+}
+
+# Add a word with no following whitespace
+# Use for opening punctuation such as '('
+function addopen(str) {
+  add(str)
+  sep = ""
+}
+
+# Add a word with no preceding whitespace
+# Use for closing punctuation such as ')' or '.'
+function addclose(str) {
+  sep = ""
+  add(str)
+}
+
+# Add a word with no space before or after
+# Use for separating punctuation such as '='
+function addpunct(str) {
+  sep = ""
+  add(str)
+  sep = ""
+}
+
+# Emit the current line so far
+function endline() {
+  addclose(trailer)
+  trailer = ""
+  if(length(out) > 0) {
+    print out
+    out=""
+  }
+  if(displaylines > 0) {
+    displaylines = displaylines - 1
+    if (displaylines == 0)
+      dispend()
+  }
+  # First word on next line has no preceding whitespace
+  sep = ""
+}
+
+function linecmd(cmd) {
+  endline()
+  add(cmd)
+  endline()
+}
+
+function breakline() {
+  linecmd(".br")
+}
+
+# Start an indented display
+function dispstart() {
+  linecmd(".RS 4")
+}
+
+# End an indented display
+function dispend() {
+  linecmd(".RE")
+}
+
+# Collect rest of input line
+function wtail() {
+  retval=""
+  while(w<nwords) {
+    if(length(retval))
+      retval=retval " "
+    retval=retval words[++w]
+  }
+  return retval
+}
+
+function splitwords(l, dest, n, o, w) {
+  n = 1
+  delete dest
+  while (length(l) > 0) {
+    sub("^[ \t]*", "", l)
+    if (match(l, "^\"")) {
+      l = substr(l, 2)
+      o = index(l, "\"")
+      if (o > 0) {
+	w = substr(l, 1, o-1)
+	l = substr(l, o+1)
+	dest[n++] = w
+      } else {
+	dest[n++] = l
+	l = ""
+      }
+    } else {
+      o = match(l, "[ \t]")
+      if (o > 0) {
+	w = substr(l, 1, o-1)
+	l = substr(l, o+1)
+	dest[n++] = w
+      } else {
+	dest[n++] = l
+	l = ""
+      }
+    }
+  }
+  return n-1
+}
+
+! /^\./ {
+  out = $0
+  endline()
+  next
+}
+
+/^\.\\"/ { next }
+
+{
+  sub("^\\.","")
+  nwords=splitwords($0, words)
+  # TODO: Instead of iterating 'w' over the array, have a separate
+  # function that returns 'next word' and use that.  This will allow
+  # proper handling of double-quoted arguments as well.
+  for(w=1;w<=nwords;w++) {
+    if(match(words[w],"^Li$")) { # Literal; rest of line is unformatted
+      dispstart()
+      displaylines = 1
+    } else if(match(words[w],"^Dl$")) { # Display literal
+      dispstart()
+      displaylines = 1
+    } else if(match(words[w],"^Bd$")) { # Begin display
+      if(match(words[w+1],"-literal")) {
+        dispstart()
+	linecmd(".nf")
+	displaylines=10000
+	w=nwords
+      }
+    } else if(match(words[w],"^Ed$")) { # End display
+      displaylines = 0
+      dispend()
+    } else if(match(words[w],"^Ns$")) { # Suppress space after next word
+      nextsep = ""
+    } else if(match(words[w],"^No$")) { # Normal text
+      add(words[++w])
+    } else if(match(words[w],"^Dq$")) { # Quote
+      addopen("``")
+      add(words[++w])
+      while(w<nwords&&!match(words[w+1],"^[\\.,]"))
+	add(words[++w])
+      addclose("''")
+    } else if(match(words[w],"^Do$")) {
+      addopen("``")
+    } else if(match(words[w],"^Dc$")) {
+      addclose("''")
+    } else if(match(words[w],"^Oo$")) {
+      addopen("[")
+    } else if(match(words[w],"^Oc$")) {
+      addclose("]")
+    } else if(match(words[w],"^Ao$")) {
+      addopen("<")
+    } else if(match(words[w],"^Ac$")) {
+      addclose(">")
+    } else if(match(words[w],"^Dd$")) {
+      date=wtail()
+      next
+    } else if(match(words[w],"^Dt$")) {
+      id=wtail()
+      next
+    } else if(match(words[w],"^Ox$")) {
+      add("OpenBSD")
+    } else if(match(words[w],"^Fx$")) {
+      add("FreeBSD")
+    } else if(match(words[w],"^Nx$")) {
+      add("NetBSD")
+    } else if(match(words[w],"^St$")) {
+      if (match(words[w+1], "^-p1003.1$")) {
+         w++
+         add("IEEE Std 1003.1 (``POSIX.1'')")
+      } else if(match(words[w+1], "^-p1003.1-96$")) {
+         w++
+         add("ISO/IEC 9945-1:1996 (``POSIX.1'')")
+      } else if(match(words[w+1], "^-p1003.1-88$")) {
+         w++
+         add("IEEE Std 1003.1-1988 (``POSIX.1'')")
+      } else if(match(words[w+1], "^-p1003.1-2001$")) {
+         w++
+         add("IEEE Std 1003.1-2001 (``POSIX.1'')")
+      } else if(match(words[w+1], "^-susv2$")) {
+         w++
+         add("Version 2 of the Single UNIX Specification (``SUSv2'')")
+      }
+    } else if(match(words[w],"^Ex$")) {
+      if (match(words[w+1], "^-std$")) {
+         w++
+         add("The \\fB" name "\\fP utility exits 0 on success, and >0 if an error occurs.")
+      }
+    } else if(match(words[w],"^Os$")) {
+      add(".TH " id " \"" date "\" \"" wtail() "\"")
+    } else if(match(words[w],"^Sh$")) {
+      section=wtail()
+      add(".SH " section)
+      linecmd(".ad l")
+    } else if(match(words[w],"^Xr$")) {
+      add("\\fB" words[++w] "\\fP(" words[++w] ")" words[++w])
+    } else if(match(words[w],"^Nm$")) {
+      if(match(section,"SYNOPSIS"))
+        breakline()
+      if(w >= nwords)
+	n=name
+      else if (match(words[w+1], "^[A-Z][a-z]$"))
+	n=name
+      else if (match(words[w+1], "^[.,;:]$"))
+	n=name
+      else {
+        n=words[++w]
+        if(!length(name))
+          name=n
+      }
+      if(!length(n))
+        n=name
+      add("\\fB\\%" n "\\fP")
+    } else if(match(words[w],"^Nd$")) {
+      add("\\- " wtail())
+    } else if(match(words[w],"^Fl$")) {
+      add("\\fB\\-" words[++w] "\\fP")
+    } else if(match(words[w],"^Ar$")) {
+      addopen("\\fI")
+      if(w==nwords)
+	add("file ...\\fP")
+      else
+	add(words[++w] "\\fP")
+    } else if(match(words[w],"^Cm$")) {
+      add("\\fB" words[++w] "\\fP")
+    } else if(match(words[w],"^Op$")) {
+      addopen("[")
+      option=1
+      trailer="]" trailer
+    } else if(match(words[w],"^Pp$")) {
+      linecmd(".PP")
+    } else if(match(words[w],"^An$")) {
+      endline()
+    } else if(match(words[w],"^Ss$")) {
+      add(".SS")
+    } else if(match(words[w],"^Ft$")) {
+      if (match(section, "SYNOPSIS")) {
+	breakline()
+      }
+      add("\\fI" wtail() "\\fP")
+      if (match(section, "SYNOPSIS")) {
+	breakline()
+      }
+    } else if(match(words[w],"^Fn$")) {
+      ++w
+      F = "\\fB\\%" words[w] "\\fP("
+      Fsep = ""
+      while(w<nwords) {
+	++w
+	if (match(words[w], "^[.,:]$")) {
+	  --w
+	  break
+	}
+	gsub(" ", "\\ ", words[w])
+	F = F Fsep "\\fI\\%"  words[w] "\\fP"
+	Fsep = ", "
+      }
+      add(F ")")
+      if (match(section, "SYNOPSIS")) {
+	addclose(";")
+      }
+    } else if(match(words[w],"^Fo$")) {
+      w++
+      F = "\\fB\\%" words[w] "\\fP("
+      Fsep = ""
+    } else if(match(words[w],"^Fa$")) {
+      w++
+      gsub(" ", "\\ ", words[w])
+      F = F Fsep "\\fI\\%"  words[w] "\\fP"
+      Fsep = ", "
+    } else if(match(words[w],"^Fc$")) {
+      add(F ")")
+      if (match(section, "SYNOPSIS")) {
+	addclose(";")
+      }
+    } else if(match(words[w],"^Va$")) {
+      w++
+      add("\\fI" words[w] "\\fP")
+    } else if(match(words[w],"^In$")) {
+      w++
+      add("\\fB#include <" words[w] ">\\fP")
+    } else if(match(words[w],"^Pa$")) {
+      addopen("\\fI")
+      w++
+      if(match(words[w],"^\\."))
+	add("\\&")
+      add(words[w] "\\fP")
+    } else if(match(words[w],"^Dv$")) {
+      add(".BR")
+    } else if(match(words[w],"^Em|Ev$")) {
+      add(".IR")
+    } else if(match(words[w],"^Pq$")) {
+      addopen("(")
+      trailer=")" trailer
+    } else if(match(words[w],"^Aq$")) {
+      addopen("\\%<")
+      trailer=">" trailer
+    } else if(match(words[w],"^Brq$")) {
+      addopen("{")
+      trailer="}" trailer
+    } else if(match(words[w],"^S[xy]$")) {
+      add(".B " wtail())
+    } else if(match(words[w],"^Ic$")) {
+      add("\\fB")
+      trailer="\\fP" trailer
+    } else if(match(words[w],"^Bl$")) {
+      oldoptlist=optlist
+      linecmd(".RS 5")
+      if(match(words[w+1],"-bullet"))
+	optlist=1
+      else if(match(words[w+1],"-enum")) {
+	optlist=2
+	enum=0
+      } else if(match(words[w+1],"-tag"))
+	optlist=3
+      else if(match(words[w+1],"-item"))
+	optlist=4
+      else if(match(words[w+1],"-bullet"))
+	optlist=1
+      w=nwords
+    } else if(match(words[w],"^El$")) {
+      linecmd(".RE")
+      optlist=oldoptlist
+    } else if(match(words[w],"^It$")&&optlist) {
+      if(optlist==1)
+	add(".IP \\(bu")
+      else if(optlist==2)
+	add(".IP " ++enum ".")
+      else if(optlist==3) {
+	add(".TP")
+        endline()
+	if(match(words[w+1],"^Pa$|^Ev$")) {
+	  add(".B")
+	  w++
+	}
+      } else if(optlist==4)
+	add(".IP")
+    } else if(match(words[w],"^Xo$")) {
+      # TODO: Figure out how to handle this
+    } else if(match(words[w],"^Xc$")) {
+      # TODO: Figure out how to handle this
+    } else if(match(words[w],"^[=]$")) {
+      addpunct(words[w])
+    } else if(match(words[w],"^[[{(]$")) {
+      addopen(words[w])
+    } else if(match(words[w],"^[\\])}.,;:]$")) {
+      addclose(words[w])
+    } else {
+      add(words[w])
+    }
+  }
+  if(match(out,"^\\.[^a-zA-Z]"))
+    sub("^\\.","",out)
+  endline()
+}