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author | Junfeng Dong <junfeng.dong@intel.com> | 2012-06-05 17:27:50 +0800 |
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committer | Junfeng Dong <junfeng.dong@intel.com> | 2012-06-05 17:27:50 +0800 |
commit | b5e47a5b56f360f78f0e086ca4af3159dcb28e27 (patch) | |
tree | 7df6f7ef0ec82bdabd93c5bee5f1e2e78ba36582 /exgettext | |
parent | 94865d2997df82fb40f0092682e090614dd98b7f (diff) | |
download | diffutils-b5e47a5b56f360f78f0e086ca4af3159dcb28e27.tar.gz diffutils-b5e47a5b56f360f78f0e086ca4af3159dcb28e27.tar.bz2 diffutils-b5e47a5b56f360f78f0e086ca4af3159dcb28e27.zip |
Diffstat (limited to 'exgettext')
-rwxr-xr-x | exgettext | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/exgettext b/exgettext new file mode 100755 index 0000000..1b2c8f4 --- /dev/null +++ b/exgettext @@ -0,0 +1,113 @@ +#! /bin/sh +# Wrapper around gettext for programs using the msgid convention. + +# Copyright (C) 1998, 2001, 2004, 2009-2010 Free Software Foundation, Inc. + +# Written by Paul Eggert <eggert@twinsun.com>. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# Always operate in the C locale. +LANG=C +LANGUAGE=C +LC_ALL=C +export LANG LANGUAGE LC_ALL + +# Set AWK if environment has not already set it. +AWK=${AWK-awk} + +# The argument to this wrapper is the xgettext command to be executed. +# Extract the xgettext program name from the rest of the command. +xgettext=${1?} +shift + +# Save work if we're just wrapping a no-op. +case $xgettext in +:) exit;; +esac + +# Find the files to be scanned, and the directory to scan them from. +directory=. +files= +for i +do + case $i in + --directory=*) + directory=`expr " $i" : ' --directory=\(.*\)'`;; + --files-from=*) + files_from=`expr " $i" : ' --files-from=\(.*\)'` + files=`$AWK '/^[^#]/ { print }' $files_from`;; + esac +done + +# Generate keyword options for xgettext, +# by scanning for declarations of functions +# whose parameter names end in "msgid". +generate_keyword_options=' + /^[A-Z_a-z].*\(.*msgid[,)]/ { + + paren_index = index($0, "(") + + name = substr($0, 1, paren_index - 1) + sub(/[^0-9A-Z_a-z]*$/, "", name) + sub(/[ ]+PARAMS/, "", name) + sub(/[ ]+VPARAMS/, "", name) + sub(/.*[^0-9A-Z_a-z]/, "", name) + + args = substr($0, paren_index) + sub(/msgid[,)].*/, "", args) + for (n = 1; sub(/^[^,]*,/, "", args); n++) { + continue; + } + + if (n == 1) { + keyword = name + } else { + keyword = name ":" n + } + + if (! keyword_seen[keyword]++) { + print "--keyword=" keyword + } + } +' +keyword_options=`( + cd $directory && + $AWK "$generate_keyword_options" $files < /dev/null +)` || exit + +# Run the xgettext command, with extra input containing the extra +# msgids that it wouldn't normally find. +generate_emsgids=' + /%e.*}/ { + line = $0 + while ((percent_index = index(line, "%e")) != 0) { + line = substr(line, percent_index + 2) + bracket_index = index(line, "}") + if (bracket_index == 0) { + continue + } + msgid = substr(line, 1, bracket_index - 1) + if (index(msgid, "%") != 0) { + continue + } + printf "#line %d \"%s\"\n", FNR, FILENAME + printf "_(\"%s\")\n", msgid + line = substr(line, bracket_index + 1) + } + } +' +(cd $directory && + $AWK "$generate_emsgids" $files < /dev/null +) | "$xgettext" $keyword_options ${1+"$@"} - |