mirror of
https://github.com/9fans/plan9port.git
synced 2025-01-15 11:20:03 +00:00
109 lines
4.9 KiB
Text
109 lines
4.9 KiB
Text
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awk '
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function error(s) { print "dformat error: " s " near input line " NR | "cat 1>&2" }
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BEGIN { s = "recht 0.3 addrht 0.055 recspread 0.15 "
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s = s "charwid 0.07 textht 0.167 addrdelta 4 "
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s = s "bitwid 0.125 linedisp 0.04 addr both "
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s = s "fill off linethrutext 1"
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n = split(s, x)
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for (i = 1; i <= n-1; i += 2) oparm[x[i]] = parm[x[i]] = x[i+1]
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}
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inlang == 0 { if ($0 !~ /^\.begin[ \t]/ || $2 != "dformat") print
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else {
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inlang = 1; print ".PS"; boxacnt = 0
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if (firstpic != 1) { firstpic = 1; print "fillval = 0.9" }
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}
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next
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}
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/^\.end/ { inlang = 0; print ".PE"; next }
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$1 == "style" { if (!($2 in parm)) error("unrecognized name: " $2)
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else if ($3 == "reset") {
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t = oparm[$2]; oparm[$2] = parm[$2]; parm[$2] = t
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} else {
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oparm[$2] = parm[$2]; parm[$2] = $3
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}
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next
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}
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$1 == "pic" { $1 = ""; print $0; next }
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/^[^ \t]/ { printf "BoxA: box invis ht %g wid 0", parm["recht"]
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if (boxacnt++) printf " with .n at BoxA.s - (0,%g)",
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parm["recspread"] + maxdy*parm["textht"]
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printf "\n"
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maxdy = sumboxlen = 0
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gsub(/[ \t]+$/, "")
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if ($0 != "noname") {
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printf " \"%s \" rjust at BoxA.w\n", $0
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printf " box invis with .e at BoxA.w ht 0 wid %g\n",
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parm["charwid"] * (length($0) + 3)
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}
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printf " BoxB: box invis ht %g wid 0 at BoxA\n", parm["recht"]
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next
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}
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/./ { boxname = ""
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if ($1 ~ /:$/) {
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boxname = substr($1, 1, length($1)-1)
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$1 = ""; $0 = " " $0
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}
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range = $1; $1 = ""
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gsub(/^[ \t]+/, ""); gsub(/[ \t]+$/, ""); text = $0
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n = split(range, x, "-")
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rlo = x[1]
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rhi = (n >= 2) ? x[2] : rlo
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cwid = (rhi >= rlo) ? rhi - rlo + 1 : rlo - rhi + 1
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rwid = (n >= 3) ? (0 + x[3]) : cwid
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btype = x[4]
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if (btype !~ /^(dot|dash|invis)/) btype = "solid"
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textlen = parm["charwid"] * length(text)
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boxlen = parm["bitwid"] * rwid
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dy = 0
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if (textlen > boxlen) { # set dy, the channel for this text
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chan[maxdy+1] = -999
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for (dy = 1; chan[dy]+textlen > sumboxlen; dy++) ;
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if (dy > maxdy) maxdy = dy
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if (parm["linethrutext"] == 0)
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for (k = 1; k <= dy; k++)
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chan[k] = sumboxlen+boxlen
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else
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chan[dy] = sumboxlen
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}
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sumboxlen += boxlen
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fill = ""
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if (parm["fill"] == "on") fill = " fill "
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if (boxname != "") printf " %s:", boxname
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printf " BoxB: box %s %s ht %g wid %g with .w at BoxB.e\n",
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fill, btype, parm["recht"], boxlen
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if (dy == 0) printf " \"%s\" at BoxB.c\n", text
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else { if (rwid < 2) start = "BoxB.s"
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else start = "BoxB.se - (" parm["linedisp"] ",0)"
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printf " line from %s down %g\n",
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start, dy*parm["textht"]
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printf " \"%s\\|\" at last line .s rjust\n", text
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printf " box invis with .e at last line .s ht 0 wid %g\n",
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textlen
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}
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if (parm["addr"] ~ /^(left|right|both)$/) {
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dp = int(parm["addrdelta"]) # Delta Point size
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if (dp < 0 || dp > 9) error("bad addrdelta value: " dp)
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dah = parm["addrht"] # Delta Addr Height
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pb = parm["addr"] # Parameter for Bits
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if (rlo == rhi) {
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printf " \"\\s-%d%s\\s+%d\" at BoxB.s + (0,%g)\n",
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dp, rlo, dp, dah
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} else {
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if (pb == "left" || pb == "both")
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printf "\t\"\\|\\s-%d%s\\s+%d\" ljust at BoxB.sw + (0,%g)\n",
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dp, rlo, dp, dah
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if (pb == "right" || pb == "both")
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printf "\t\"\\s-%d%s\\s+%d\\|\" rjust at BoxB.se + (0,%g)\n",
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dp, rhi, dp, dah
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}
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}
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}
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END { if (inlang) error("eof inside begin/end") }
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' $*
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