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 2, or (at your option) 7# 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, write to the Free Software Foundation, 16# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 17 18namespace eval msgcat { 19 namespace export mcset mcdump 20 variable header "" 21} 22 23proc msgcat::puts_po_string {str} { 24 # Replace " with \" 25 regsub -all "\"" $str "\\\"" str 26 # Replace \ with \\ 27 regsub -all "\\\\" $str "\\\\\\" str 28 # Replace newline with \n 29 regsub -all [subst "\n"] $str "\\n" str 30 regsub -all [subst "\a"] $str "\\a" str 31 regsub -all [subst "\b"] $str "\\b" str 32 regsub -all [subst "\f"] $str "\\f" str 33 regsub -all [subst "\r"] $str "\\r" str 34 regsub -all [subst "\t"] $str "\\t" str 35 regsub -all [subst "\v"] $str "\\v" str 36 # Output it. 37 puts -nonewline "\"$str\"" 38} 39 40proc msgcat::write_po_message {msgid msgstr} { 41 puts -nonewline "msgid " 42 puts_po_string $msgid 43 puts "" 44 puts -nonewline "msgstr " 45 puts_po_string $msgstr 46 puts "" 47 puts "" 48} 49 50# This gets called once for each message in the .msg catalog. 51proc msgcat::mcset {locale src {dest ""}} { 52 msgcat::write_po_message $src $dest 53} 54 55# Main function. 56proc msgcat::mcdump {langfile} { 57 if {[file exists $langfile]} { 58 # msgunfmt expects the output in UTF-8 encoding. 59 fconfigure stdout -encoding utf-8 60 61 set msgcat::header "" 62 63 set fd [open $langfile r] 64 # In newer tcl versions, the .msg files are in UTF-8 encoding. 65 fconfigure $fd -encoding utf-8 66 eval [read $fd] 67 close $fd 68 69 if {$msgcat::header == ""} { 70 # Provide a minimal header. 71 set msgcat::header [subst "MIME-Version: 1.0\nContent-Type: text/plain; charset=UTF-8\nContent-Transfer-Encoding: 8bit\n"] 72 } 73 msgcat::write_po_message "" $msgcat::header 74 } else { 75 # Tell msgunfmt to emit an internationalized error message. 76 exit 2 77 } 78} 79 80# Main code: call the main function on the first and only argument. 81msgcat::mcdump [lindex $argv 0] 82 83exit 0 84