including openisis 0.9.0 into webpac tree

[webpac] / openisis / tcl / dexml

diff --git a/openisis/tcl/dexml b/openisis/tcl/dexml
new file mode 100755 (executable)
index 0000000..884d0c1
--- /dev/null
+++ b/openisis/tcl/dexml
@@ -0,0 +1,129 @@
+#!/opt/isis/OpenIsis/tcl/bin/isish
+# let editor know it's Tcl vim:syntax=tcl
+
+package require openIsis;
+package require xml;
+
+
+# map element names to tags
+array set tag {}
+# highest ag used; set to 99 so we start from 100
+set ltag 99
+# map attribute names to subfields
+# map keys are "tag\tatt"
+array set subf {}
+
+openIsisRec rec
+
+proc cdata {data} { # text
+       # puts "0\t[string map {\n " "} $data]"
+       rec add 0 [string map {\n " "} $data]
+}
+
+proc comment {data} {
+       # puts "#\t[string map {\n " "} $data]"
+}
+
+proc doctype {data} {
+       puts "#\t$data"
+}
+
+proc estart {name attlist args} {
+       global tag ltag subf lsubf
+       set start +
+       foreach {arg val} $args {
+               switch -- $arg -empty { if $val { set start - } }
+       }
+       if [catch {set t $tag($name)}] {
+               set t [set tag($name) [incr ltag]]
+       }
+       set line $start
+       foreach {att val} $attlist {
+               set attkey "$t\t$att"
+               if [catch {set s $subf($attkey)}] {
+                       # use $subf($t) as counter for last subfield
+                       if [catch {set c [incr subf($t)]}] {
+                               set c [set subf($t) 97]
+                       }
+                       set s [set subf($attkey) [format %c $c]]
+               }
+               append line "^$s$val"
+       }
+       # puts "$t\t$line"
+       rec add $t $line
+}
+
+proc eend {name args} {
+       global tag
+       foreach {arg val} $args {
+               switch -- $arg -empty { if $val { return } }
+       }
+       # puts $tag($name)
+       rec add $tag($name) ""
+}
+
+set xp [xml::parser \
+       -ignorewhitespace yes \
+       -reportempty yes \
+       -characterdatacommand cdata \
+       -commentcommand comment \
+       -doctypecommand doctype \
+       -elementstartcommand estart \
+       -elementendcommand eend \
+       -defaultcommand error
+]
+# doesn't like that:
+# -endcdatasectioncommand ecdata
+#      -startcdatasectioncommand scdata
+
+$xp parse [read stdin]
+
+
+# invert the FDT tag,subf to name,attr
+foreach {n v} [array get tag] { set name($v) $n}
+foreach {n v} [array get subf] {
+       if {2 == [scan $n "%u\t%s" t a]} { set attr($t\t$v) $a }
+}
+
+foreach t [lsort [array names name]] {
+       # puts stderr "$t\t$name($t)" ;# verbose entry
+       set line $name($t)
+       foreach s [lsort [array names attr "$t\t*"]] {
+               # puts stderr "$s\t$attr($s)" ;# verbose entry
+               scan $s "%u\t%s" - c
+               append line "^$c$attr($s)"
+       }
+       puts stderr "$t\t$line" ;# the one-line DTD ;)
+}
+
+# use the inverted FDT to create the XML text
+puts "<!--
+[rec serialize]
+-->"
+set depth 0
+rec do t v {
+       if !$t { # text
+               puts [string repeat \t $depth]$v
+               continue
+       }
+       if {"" == $v} { # close
+               incr depth -1
+               puts [string repeat \t $depth]</$name($t)>
+               continue
+       }
+       set line "<$name($t)"
+       set alist [split $v ^]
+       set hasChilds [expr {"+" == [lindex $alist 0]}]
+       foreach a [lrange $alist 1 end] {
+               append line " $attr($t\t[string index $a 0])=\"[string range $a 1 end]\""
+       }
+       if $hasChilds {
+               append line >
+       } else {
+               append line />
+       }
+       puts [string repeat \t $depth]$line
+       if $hasChilds {
+               incr depth
+       }
+}