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 fuzzy
  52
  53         if {![info exists msgid] || $mode == ""} {
  54                 return
  55         }
  56         set mode ""
  57         if {$fuzzy == 1} {
  58                 set fuzzy 0
  59                 return
  60         }
  61
  62         if {$msgid == ""} {
  63                 set prefix "set ::msgcat::header"
  64         } else {
  65                 if {$msgstr == ""} {
  66                         return
  67                 }
  68                 set prefix "::msgcat::mcset $lang \"[u2a $msgid]\""
  69         }
  70
  71         puts $out "$prefix \"[u2a $msgstr]\""
  72 }
  73
  74 set fuzzy 0
  75 foreach file $files {
  76         regsub "^.*/\(\[^/\]*\)\.po$" $file "$output_directory\\1.msg" outfile
  77         set in [open $file "r"]
  78         fconfigure $in -encoding utf-8
  79         set out [open $outfile "w"]
  80
  81         set mode ""
  82         while {[gets $in line] >= 0} {
  83                 if {[regexp "^#" $line]} {
  84                         if {[regexp ", fuzzy" $line]} {
  85                                 set fuzzy 1
  86                         } else {
  87                                 flush_msg
  88                         }
  89                         continue
  90                 } elseif {[regexp "^msgid \"(.*)\"$" $line dummy match]} {
  91                         flush_msg
  92                         set msgid $match
  93                         set mode "msgid"
  94                 } elseif {[regexp "^msgstr \"(.*)\"$" $line dummy match]} {
  95                         set msgstr $match
  96                         set mode "msgstr"
  97                 } elseif {$line == ""} {
  98                         flush_msg
  99                 } elseif {[regexp "^\"(.*)\"$" $line dummy match]} {
 100                         if {$mode == "msgid"} {
 101                                 append msgid $match
 102                         } elseif {$mode == "msgstr"} {
 103                                 append msgstr $match
 104                         } else {
 105                                 puts stderr "I do not know what to do: $match"
 106                         }
 107                 } else {
 108                         puts stderr "Cannot handle $line"
 109                 }
 110         }
 111         flush_msg
 112         close $in
 113         close $out
 114 }
 115