tbwk's dformat. - plan9port - [fork] Plan 9 from user space
(HTM) git clone git://src.adamsgaard.dk/plan9port
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---
(DIR) commit b3878828c6c965e0c0953d1c8a2af01378908b75
(DIR) parent b237df90f9390dac1ff1fdcb6813ca1f2a7bef4f
(HTM) Author: wkj <devnull@localhost>
Date: Sun, 16 May 2004 07:58:31 +0000
bwk's dformat.
Diffstat:
A src/cmd/dformat | 108 +++++++++++++++++++++++++++++++
1 file changed, 108 insertions(+), 0 deletions(-)
---
(DIR) diff --git a/src/cmd/dformat b/src/cmd/dformat
t@@ -0,0 +1,108 @@
+awk '
+function error(s) { print "dformat error: " s " near input line " NR | "cat 1>&2" }
+
+BEGIN { s = "recht 0.3 addrht 0.055 recspread 0.15 "
+ s = s "charwid 0.07 textht 0.167 addrdelta 4 "
+ s = s "bitwid 0.125 linedisp 0.04 addr both "
+ s = s "fill off linethrutext 1"
+ n = split(s, x)
+ for (i = 1; i <= n-1; i += 2) oparm[x[i]] = parm[x[i]] = x[i+1]
+}
+
+inlang == 0 { if ($0 !~ /^\.begin[ \t]/ || $2 != "dformat") print
+ else {
+ inlang = 1; print ".PS"; boxacnt = 0
+ if (firstpic != 1) { firstpic = 1; print "fillval = 0.9" }
+ }
+ next
+ }
+/^\.end/ { inlang = 0; print ".PE"; next }
+
+$1 == "style" { if (!($2 in parm)) error("unrecognized name: " $2)
+ else if ($3 == "reset") {
+ t = oparm[$2]; oparm[$2] = parm[$2]; parm[$2] = t
+ } else {
+ oparm[$2] = parm[$2]; parm[$2] = $3
+ }
+ next
+ }
+
+$1 == "pic" { $1 = ""; print $0; next }
+
+/^[^ \t]/ { printf "BoxA: box invis ht %g wid 0", parm["recht"]
+ if (boxacnt++) printf " with .n at BoxA.s - (0,%g)",
+ parm["recspread"] + maxdy*parm["textht"]
+ printf "\n"
+ maxdy = sumboxlen = 0
+ gsub(/[ \t]+$/, "")
+ if ($0 != "noname") {
+ printf " \"%s \" rjust at BoxA.w\n", $0
+ printf " box invis with .e at BoxA.w ht 0 wid %g\n",
+ parm["charwid"] * (length($0) + 3)
+ }
+ printf " BoxB: box invis ht %g wid 0 at BoxA\n", parm["recht"]
+ next
+ }
+/./ { boxname = ""
+ if ($1 ~ /:$/) {
+ boxname = substr($1, 1, length($1)-1)
+ $1 = ""; $0 = " " $0
+ }
+ range = $1; $1 = ""
+ gsub(/^[ \t]+/, ""); gsub(/[ \t]+$/, ""); text = $0
+ n = split(range, x, "-")
+ rlo = x[1]
+ rhi = (n >= 2) ? x[2] : rlo
+ cwid = (rhi >= rlo) ? rhi - rlo + 1 : rlo - rhi + 1
+ rwid = (n >= 3) ? (0 + x[3]) : cwid
+ btype = x[4]
+ if (btype !~ /^(dot|dash|invis)/) btype = "solid"
+ textlen = parm["charwid"] * length(text)
+ boxlen = parm["bitwid"] * rwid
+ dy = 0
+ if (textlen > boxlen) { # set dy, the channel for this text
+ chan[maxdy+1] = -999
+ for (dy = 1; chan[dy]+textlen > sumboxlen; dy++) ;
+ if (dy > maxdy) maxdy = dy
+ if (parm["linethrutext"] == 0)
+ for (k = 1; k <= dy; k++)
+ chan[k] = sumboxlen+boxlen
+ else
+ chan[dy] = sumboxlen
+ }
+ sumboxlen += boxlen
+ fill = ""
+ if (parm["fill"] == "on") fill = " fill "
+ if (boxname != "") printf " %s:", boxname
+ printf " BoxB: box %s %s ht %g wid %g with .w at BoxB.e\n",
+ fill, btype, parm["recht"], boxlen
+ if (dy == 0) printf " \"%s\" at BoxB.c\n", text
+ else { if (rwid < 2) start = "BoxB.s"
+ else start = "BoxB.se - (" parm["linedisp"] ",0)"
+ printf " line from %s down %g\n",
+ start, dy*parm["textht"]
+ printf " \"%s\\|\" at last line .s rjust\n", text
+ printf " box invis with .e at last line .s ht 0 wid %g\n",
+ textlen
+ }
+
+ if (parm["addr"] ~ /^(left|right|both)$/) {
+ dp = int(parm["addrdelta"]) # Delta Point size
+ if (dp < 0 || dp > 9) error("bad addrdelta value: " dp)
+ dah = parm["addrht"] # Delta Addr Height
+ pb = parm["addr"] # Parameter for Bits
+ if (rlo == rhi) {
+ printf " \"\\s-%d%s\\s+%d\" at BoxB.s + (0,%g)\n",
+ dp, rlo, dp, dah
+ } else {
+ if (pb == "left" || pb == "both")
+ printf "\t\"\\|\\s-%d%s\\s+%d\" ljust at BoxB.sw + (0,%g)\n",
+ dp, rlo, dp, dah
+ if (pb == "right" || pb == "both")
+ printf "\t\"\\s-%d%s\\s+%d\\|\" rjust at BoxB.se + (0,%g)\n",
+ dp, rhi, dp, dah
+ }
+ }
+ }
+END { if (inlang) error("eof inside begin/end") }
+' $*