jpayne@68: # Reading tcl/msgcat .msg files.
jpayne@68: # Copyright (C) 2002 Free Software Foundation, Inc.
jpayne@68: #
jpayne@68: # This program is free software: you can redistribute it and/or modify
jpayne@68: # it under the terms of the GNU General Public License as published by
jpayne@68: # the Free Software Foundation; either version 3 of the License, or
jpayne@68: # (at your option) any later version.
jpayne@68: #
jpayne@68: # This program is distributed in the hope that it will be useful,
jpayne@68: # but WITHOUT ANY WARRANTY; without even the implied warranty of
jpayne@68: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jpayne@68: # GNU General Public License for more details.
jpayne@68: #
jpayne@68: # You should have received a copy of the GNU General Public License
jpayne@68: # along with this program.  If not, see <https://www.gnu.org/licenses/>.
jpayne@68: 
jpayne@68: namespace eval msgcat {
jpayne@68:   namespace export mcset mcdump
jpayne@68:   variable header ""
jpayne@68: }
jpayne@68: 
jpayne@68: proc msgcat::puts_po_string {str} {
jpayne@68:   # Replace " with \"
jpayne@68:   regsub -all "\"" $str "\\\"" str
jpayne@68:   # Replace \ with \\
jpayne@68:   regsub -all "\\\\" $str "\\\\\\" str
jpayne@68:   # Replace newline with \n
jpayne@68:   regsub -all [subst "\n"] $str "\\n" str
jpayne@68:   regsub -all [subst "\a"] $str "\\a" str
jpayne@68:   regsub -all [subst "\b"] $str "\\b" str
jpayne@68:   regsub -all [subst "\f"] $str "\\f" str
jpayne@68:   regsub -all [subst "\r"] $str "\\r" str
jpayne@68:   regsub -all [subst "\t"] $str "\\t" str
jpayne@68:   regsub -all [subst "\v"] $str "\\v" str
jpayne@68:   # Output it.
jpayne@68:   puts -nonewline "\"$str\""
jpayne@68: }
jpayne@68: 
jpayne@68: proc msgcat::write_po_message {msgid msgstr} {
jpayne@68:   puts -nonewline "msgid "
jpayne@68:   puts_po_string $msgid
jpayne@68:   puts ""
jpayne@68:   puts -nonewline "msgstr "
jpayne@68:   puts_po_string $msgstr
jpayne@68:   puts ""
jpayne@68:   puts ""
jpayne@68: }
jpayne@68: 
jpayne@68: # This gets called once for each message in the .msg catalog.
jpayne@68: proc msgcat::mcset {locale src {dest ""}} {
jpayne@68:   msgcat::write_po_message $src $dest
jpayne@68: }
jpayne@68: 
jpayne@68: # Main function.
jpayne@68: proc msgcat::mcdump {langfile} {
jpayne@68:   if {[file exists $langfile]} {
jpayne@68:     # msgunfmt expects the output in UTF-8 encoding.
jpayne@68:     fconfigure stdout -encoding utf-8
jpayne@68: 
jpayne@68:     set msgcat::header ""
jpayne@68: 
jpayne@68:     set fd [open $langfile r]
jpayne@68:     # In newer tcl versions, the .msg files are in UTF-8 encoding.
jpayne@68:     fconfigure $fd -encoding utf-8
jpayne@68:     eval [read $fd]
jpayne@68:     close $fd
jpayne@68: 
jpayne@68:     if {$msgcat::header == ""} {
jpayne@68:       # Provide a minimal header.
jpayne@68:       set msgcat::header [subst "MIME-Version: 1.0\nContent-Type: text/plain; charset=UTF-8\nContent-Transfer-Encoding: 8bit\n"]
jpayne@68:     }
jpayne@68:     msgcat::write_po_message "" $msgcat::header
jpayne@68:   } else {
jpayne@68:     # Tell msgunfmt to emit an internationalized error message.
jpayne@68:     exit 2
jpayne@68:   }
jpayne@68: }
jpayne@68: 
jpayne@68: # Main code: call the main function on the first and only argument.
jpayne@68: msgcat::mcdump [lindex $argv 0]
jpayne@68: 
jpayne@68: exit 0