1# Reading tcl/msgcat .msg files. 2# Copyright (C) 2002 Free Software Foundation, Inc. 3# 4# This program is free software: you can redistribute it and/or modify 5# it under the terms of the GNU General Public License as published by 6# the Free Software Foundation; either version 3 of the License, or 7# (at your option) any later version. 8# 9# This program is distributed in the hope that it will be useful, 10# but WITHOUT ANY WARRANTY; without even the implied warranty of 11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12# GNU General Public License for more details. 13# 14# You should have received a copy of the GNU General Public License 15# along with this program. If not, see <http://www.gnu.org/licenses/>. 16 17namespace eval msgcat { 18 namespace export mcset mcdump 19 variable header "" 20} 21 22proc msgcat::puts_po_string {str} { 23 # Replace " with \" 24 regsub -all "\"" $str "\\\"" str 25 # Replace \ with \\ 26 regsub -all "\\\\" $str "\\\\\\" str 27 # Replace newline with \n 28 regsub -all [subst "\n"] $str "\\n" str 29 regsub -all [subst "\a"] $str "\\a" str 30 regsub -all [subst "\b"] $str "\\b" str 31 regsub -all [subst "\f"] $str "\\f" str 32 regsub -all [subst "\r"] $str "\\r" str 33 regsub -all [subst "\t"] $str "\\t" str 34 regsub -all [subst "\v"] $str "\\v" str 35 # Output it. 36 puts -nonewline "\"$str\"" 37} 38 39proc msgcat::write_po_message {msgid msgstr} { 40 puts -nonewline "msgid " 41 puts_po_string $msgid 42 puts "" 43 puts -nonewline "msgstr " 44 puts_po_string $msgstr 45 puts "" 46 puts "" 47} 48 49# This gets called once for each message in the .msg catalog. 50proc msgcat::mcset {locale src {dest ""}} { 51 msgcat::write_po_message $src $dest 52} 53 54# Main function. 55proc msgcat::mcdump {langfile} { 56 if {[file exists $langfile]} { 57 # msgunfmt expects the output in UTF-8 encoding. 58 fconfigure stdout -encoding utf-8 59 60 set msgcat::header "" 61 62 set fd [open $langfile r] 63 # In newer tcl versions, the .msg files are in UTF-8 encoding. 64 fconfigure $fd -encoding utf-8 65 eval [read $fd] 66 close $fd 67 68 if {$msgcat::header == ""} { 69 # Provide a minimal header. 70 set msgcat::header [subst "MIME-Version: 1.0\nContent-Type: text/plain; charset=UTF-8\nContent-Transfer-Encoding: 8bit\n"] 71 } 72 msgcat::write_po_message "" $msgcat::header 73 } else { 74 # Tell msgunfmt to emit an internationalized error message. 75 exit 2 76 } 77} 78 79# Main code: call the main function on the first and only argument. 80msgcat::mcdump [lindex $argv 0] 81 82exit 0 83