po/po2msg.sh

   1 #!/bin/sh
   2 # Tcl ignores the next line -*- tcl -*- \
   3 exec tclsh "$0" -- "$@"
   4
   5 # This is a really stupid program, which serves as an alternative to
   6 # msgfmt.  It _only_ translates to Tcl mode, does _not_ validate the
   7 # input, and does _not_ output any statistics.
   8
   9 proc u2a {s} {
  10         set res ""
  11         foreach i [split $s ""] {
  12                 scan $i %c c
  13                 if {$c<128} {
  14                         # escape '[', '\' and ']'
  15                         if {$c == 0x5b || $c == 0x5d} {
  16                                 append res "\\"
  17                         }
  18                         append res $i
  19                 } else {
  20                         append res \\u[format %04.4x $c]
  21                 }
  22         }
  23         return $res
  24 }
  25
  26 set output_directory "."
  27 set lang "dummy"
  28 set files [list]
  29
  30 # parse options
  31 for {set i 1} {$i < $argc} {incr i} {
  32         set arg [lindex $argv $i]
  33         if {$arg == "--statistics" || $arg == "--tcl"} {
  34                 continue
  35         }
  36         if {$arg == "-l"} {
  37                 incr i
  38                 set lang [lindex $argv $i]
  39                 continue
  40         }
  41         if {$arg == "-d"} {
  42                 incr i
  43                 set tmp [lindex $argv $i]
  44                 regsub "\[^/\]$" $tmp "&/" output_directory
  45                 continue
  46         }
  47         lappend files $arg
  48 }
  49
  50 proc flush_msg {} {
  51         global msgid msgstr mode lang out
  52
  53         if {![info exists msgid] || $mode == ""} {
  54                 return
  55         }
  56         set mode ""
  57
  58         if {$msgid == ""} {
  59                 set prefix "set ::msgcat::header"
  60         } else {
  61                 set prefix "::msgcat::mcset $lang \"[u2a $msgid]\""
  62         }
  63
  64         puts $out "$prefix \"[u2a $msgstr]\""
  65 }
  66
  67 foreach file $files {
  68         regsub "^.*/\(\[^/\]*\)\.po$" $file "$output_directory\\1.msg" outfile
  69         set in [open $file "r"]
  70         fconfigure $in -encoding utf-8
  71         set out [open $outfile "w"]
  72
  73         set mode ""
  74         while {[gets $in line] >= 0} {
  75                 if {[regexp "^#" $line]} {
  76                         flush_msg
  77                         continue
  78                 } elseif {[regexp "^msgid \"(.*)\"$" $line dummy match]} {
  79                         flush_msg
  80                         set msgid $match
  81                         set mode "msgid"
  82                 } elseif {[regexp "^msgstr \"(.*)\"$" $line dummy match]} {
  83                         set msgstr $match
  84                         set mode "msgstr"
  85                 } elseif {$line == ""} {
  86                         flush_msg
  87                 } elseif {[regexp "^\"(.*)\"$" $line dummy match]} {
  88                         if {$mode == "msgid"} {
  89                                 append msgid $match
  90                         } elseif {$mode == "msgstr"} {
  91                                 append msgstr $match
  92                         } else {
  93                                 puts stderr "I do not know what to do: $match"
  94                         }
  95                 } else {
  96                         puts stderr "Cannot handle $line"
  97                 }
  98         }
  99         flush_msg
 100         close $in
 101         close $out
 102 }
 103