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Edit File: _mac_files_for_application

#autoload

_mac_rsrc_check() {
  [[ ! -s "$REPLY/..namedfork/rsrc" ]] && return 1
  if [[ -x /Developer/Tools/GetFileInfo ]]; then
    local ftype="$(command /Developer/Tools/GetFileInfo -t $REPLY)"
    ftype="${ftype//\"/}"
    [[ -n "$types[(r)$ftype]" ]]
  else
      grep --quiet "$${(j/\|/)types}$" "$REPLY/..namedfork/rsrc"
  fi
}

_mac_parse_info_plist() {
  # For now, awk is used because builtin function "read" was too slow.
  # '<' is used for the delimiter because some Info.plist files use CR as
  # newline but read doesn't treat them as so
  local s='
    BEGIN { RS="<" }
      /^key>/ { sub(/key>/, ""); reading_key=$0 }
      /^string>/ {
        sub(/string>/, "")
        if (reading_key == "CFBundleTypeExtensions") exts=exts " \"" $0 "\""
        if (reading_key == "CFBundleTypeOSTypes") types=types " \"" $0 "\""
      }
      END {
        print "exts=(" exts ")\ntypes=(" types ")"
      }
    '
    command awk $s "$app_path/Contents/Info.plist" | while read; do
      eval "$REPLY"
    done
}

# Try to complete files for the specified application.
_mac_files_for_application() {
  local -a opts
  zparseopts -D -a opts q n 1 2 P: S: r: R: W: X+: M+: F: J+: V+:

local app_path
  _retrieve_mac_apps
  app_path="${_mac_apps[(r)*/$1(|.app)]:-$1}"

local -a glob_patterns
  glob_patterns=()

# Try to get extentions from "Info.plist" XML file.
  if [[ -f "$app_path/Contents/Info.plist" ]]; then
    local -a exts types
    _mac_parse_info_plist

if [[ -n "$exts[(r)\*]" ]]; then
      glob_patterns=( "*" )
    else
      if (( #exts != 0 )); then
        glob_patterns+=( "*.(${(j/|/)exts})(N)" )
      fi

if (( #types != 0 )); then
        glob_patterns+=( "^*.[[:alnum:]]##(.Ne:_mac_rsrc_check:)" )
      fi
    fi
  else
    glob_patterns=( "*" )
  fi

case ${#glob_patterns} in
    0) return 1 ;;
    1) _files "$opts[@]" -g "$glob_patterns[1]" ;;
    *) _files "$opts[@]" -g "{${(j/,/)glob_patterns}}" ;;
  esac
}

_mac_files_for_application "$@"

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