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 $res
  24 }
  25
  26 set output_directory "."
  27 set lang "dummy"
  28 set files [list]
  29 set show_statistics 0
  30
  31 # parse options
  32 for {set i 0} {$i < $argc} {incr i} {
  33         set arg [lindex $argv $i]
  34         if {$arg == "--statistics"} {
  35                 incr show_statistics
  36                 continue
  37         }
  38         if {$arg == "--tcl"} {
  39                 # we know
  40                 continue
  41         }
  42         if {$arg == "-l"} {
  43                 incr i
  44                 set lang [lindex $argv $i]
  45                 continue
  46         }
  47         if {$arg == "-d"} {
  48                 incr i
  49                 set tmp [lindex $argv $i]
  50                 regsub "\[^/\]$" $tmp "&/" output_directory
  51                 continue
  52         }
  53         lappend files $arg
  54 }
  55
  56 proc flush_msg {} {
  57         global msgid msgstr mode lang out fuzzy
  58         global translated_count fuzzy_count not_translated_count
  59
  60         if {![info exists msgid] || $mode == ""} {
  61                 return
  62         }
  63         set mode ""
  64         if {$fuzzy == 1} {
  65                 incr fuzzy_count
  66                 set fuzzy 0
  67                 return
  68         }
  69
  70         if {$msgid == ""} {
  71                 set prefix "set ::msgcat::header"
  72         } else {
  73                 if {$msgstr == ""} {
  74                         incr not_translated_count
  75                         return
  76                 }
  77                 set prefix "::msgcat::mcset $lang \"[u2a $msgid]\""
  78                 incr translated_count
  79         }
  80
  81         puts $out "$prefix \"[u2a $msgstr]\""
  82 }
  83
  84 set fuzzy 0
  85 set translated_count 0
  86 set fuzzy_count 0
  87 set not_translated_count 0
  88 foreach file $files {
  89         regsub "^.*/\(\[^/\]*\)\.po$" $file "$output_directory\\1.msg" outfile
  90         set in [open $file "r"]
  91         fconfigure $in -encoding utf-8
  92         set out [open $outfile "w"]
  93
  94         set mode ""
  95         while {[gets $in line] >= 0} {
  96                 if {[regexp "^#" $line]} {
  97                         if {[regexp ", fuzzy" $line]} {
  98                                 set fuzzy 1
  99                         } else {
 100                                 flush_msg
 101                         }
 102                         continue
 103                 } elseif {[regexp "^msgid \"(.*)\"$" $line dummy match]} {
 104                         flush_msg
 105                         set msgid $match
 106                         set mode "msgid"
 107                 } elseif {[regexp "^msgstr \"(.*)\"$" $line dummy match]} {
 108                         set msgstr $match
 109                         set mode "msgstr"
 110                 } elseif {$line == ""} {
 111                         flush_msg
 112                 } elseif {[regexp "^\"(.*)\"$" $line dummy match]} {
 113                         if {$mode == "msgid"} {
 114                                 append msgid $match
 115                         } elseif {$mode == "msgstr"} {
 116                                 append msgstr $match
 117                         } else {
 118                                 puts stderr "I do not know what to do: $match"
 119                         }
 120                 } else {
 121                         puts stderr "Cannot handle $line"
 122                 }
 123         }
 124         flush_msg
 125         close $in
 126         close $out
 127 }
 128
 129 if {$show_statistics} {
 130         puts [concat "$translated_count translated messages, " \
 131                 "$fuzzy_count fuzzy ones, " \
 132                 "$not_translated_count untranslated ones."]
 133 }