- add povray completion by "David Necas (Yeti)" <yeti@physics.muni.cz>

contrib/povray

@@ -0,0 +1,56 @@
+# povray completion by "David Necas (Yeti)" <yeti@physics.muni.cz>
+#
+_povray()
+{
+  local cur prev povcur pfx oext defoext
+  defoext=png # default output extension, if cannot be determined FIXME
+
+  COMPREPLY=()
+  povcur=${COMP_WORDS[COMP_CWORD]}
+  prev=${COMP_WORDS[COMP_CWORD-1]}
+
+  _expand || return 0
+
+  case $povcur in
+    [-+]I*)
+    cur="${povcur#[-+]I}" # to confuse _filedir
+    pfx="${povcur%"$cur"}"
+    _filedir pov
+    COMPREPLY=( ${COMPREPLY[@]/#/$pfx} )
+    return 0
+    ;;
+    [-+]O*)
+    # guess what output file type user may want
+    case $( ( IFS=$'\n'; echo "${COMP_WORDS[*]}" | grep '^[-+]F' ) ) in
+      [-+]FN) oext=png ;;
+      [-+]FP) oext=ppm ;;
+      [-+]F[CT]) oext=tga ;;
+      *) oext=$defoext ;;
+    esac
+    # complete filename corresponding to previously specified +I
+    COMPREPLY=( $( ( IFS=$'\n'; echo "${COMP_WORDS[*]}" | grep '^[-+]I' ) ) )
+    COMPREPLY=( ${COMPREPLY[@]#[-+]I} )
+    COMPREPLY=( ${COMPREPLY[@]/%.pov/.$oext} )
+    cur="${povcur#[-+]O}" # to confuse _filedir
+    pfx="${povcur%"$cur"}"
+    _filedir $oext
+    COMPREPLY=( ${COMPREPLY[@]/#/$pfx} )
+    return 0
+    ;;
+    *.ini\[|*.ini\[*[^]]) # sections in .ini files
+    cur="${povcur#*\[}"
+    pfx="${povcur%\["$cur"}" # prefix == filename
+    [ -r "$pfx" ] || return 0
+    COMPREPLY=( $(sed -e 's/^[[:space:]]*\[\('"$cur"'[^]]*\]\).*$/\1/' -e 't' -e 'd' -- "$pfx") )
+    # to prevent [bar] expand to nothing.  can be done more easily?
+    COMPREPLY=( "${COMPREPLY[@]/#/$pfx[}" )
+    return 0
+    ;;
+    *)
+    cur="$povcur"
+    _filedir '?(ini|pov)'
+    return 0
+    ;;
+  esac
+}
+complete -F _povray -o filenames povray xpovray spovray