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+# mkstrtable.awk
+# Copyright (C) 2003, 2004 g10 Code GmbH
+#
+# 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 2 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, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# As a special exception, g10 Code GmbH gives unlimited permission to
+# copy, distribute and modify the C source files that are the output
+# of mkstrtable.awk. You need not follow the terms of the GNU General
+# Public License when using or distributing such scripts, even though
+# portions of the text of mkstrtable.awk appear in them. The GNU
+# General Public License (GPL) does govern all other use of the material
+# that constitutes the mkstrtable.awk program.
+#
+# Certain portions of the mkstrtable.awk source text are designed to be
+# copied (in certain cases, depending on the input) into the output of
+# mkstrtable.awk. We call these the "data" portions. The rest of the
+# mkstrtable.awk source text consists of comments plus executable code
+# that decides which of the data portions to output in any given case.
+# We call these comments and executable code the "non-data" portions.
+# mkstrtable.h never copies any of the non-data portions into its output.
+#
+# This special exception to the GPL applies to versions of mkstrtable.awk
+# released by g10 Code GmbH. When you make and distribute a modified version
+# of mkstrtable.awk, you may extend this special exception to the GPL to
+# apply to your modified version as well, *unless* your modified version
+# has the potential to copy into its output some of the text that was the
+# non-data portion of the version that you started with. (In other words,
+# unless your change moves or copies text from the non-data portions to the
+# data portions.) If your modification has such potential, you must delete
+# any notice of this special exception to the GPL from your modified version.
+
+# This script outputs a source file that does define the following
+# symbols:
+#
+# static const char msgstr[];
+# A string containing all messages in the list.
+#
+# static const int msgidx[];
+# A list of index numbers, one for each message, that points to the
+# beginning of the string in msgstr.
+#
+# msgidxof (code);
+# A macro that maps code numbers to idx numbers. If a DEFAULT MESSAGE
+# is provided (see below), its index will be returned for unknown codes.
+# Otherwise -1 is returned for codes that do not appear in the list.
+# You can lookup the message with code CODE with:
+# msgstr + msgidx[msgidxof (code)].
+#
+# The input file has the following format:
+# CODE1 ... MESSAGE1 (code nr, <tab>, something, <tab>, msg)
+# CODE2 ... MESSAGE2 (code nr, <tab>, something, <tab>, msg)
+# ...
+# CODEn ... MESSAGEn (code nr, <tab>, something, <tab>, msg)
+# ... DEFAULT-MESSAGE (<tab>, something, <tab>, fall-back msg)
+#
+# Comments (starting with # and ending at the end of the line) are removed,
+# as is trailing whitespace. The last line is optional; if no DEFAULT
+# MESSAGE is given, msgidxof will return the number -1 for unknown
+# index numbers.
+#
+# The field to be used is specified with the variable "textidx" on
+# the command line. It defaults to 2.
+#
+# The variable nogettext can be set to 1 to suppress gettext markers.
+#
+# The variable prefix can be used to prepend a string to each message.
+#
+# The variable namespace can be used to prepend a string to each
+# variable and macro name.
+
+BEGIN {
+ FS = "[\t]+";
+# cpos holds the current position in the message string.
+ cpos = 0;
+# msg holds the number of messages.
+ msg = 0;
+ print "/* Output of mkstrtable.awk. DO NOT EDIT. */";
+ print "";
+ header = 1;
+ if (textidx == 0)
+ textidx = 2;
+# nogettext can be set to 1 to suppress gettext noop markers.
+}
+
+/^#/ { next; }
+
+header {
+ if ($1 ~ /^[0123456789]+$/)
+ {
+ print "/* The purpose of this complex string table is to produce";
+ print " optimal code with a minimum of relocations. */";
+ print "";
+ print "static const char " namespace "msgstr[] = ";
+ header = 0;
+ }
+ else
+ print;
+}
+
+!header {
+ sub (/\#.+/, "");
+ sub (/[ ]+$/, ""); # Strip trailing space and tab characters.
+
+ if (/^$/)
+ next;
+
+# Print the string msgstr line by line. We delay output by one line to be able
+# to treat the last line differently (see END).
+ if (last_msgstr)
+ {
+ if (nogettext)
+ print " \"" last_msgstr "\" \"\\0\"";
+ else
+ print " gettext_noop (\"" last_msgstr "\") \"\\0\"";
+ }
+ last_msgstr = prefix $textidx;
+
+# Remember the error code and msgidx of each error message.
+ code[msg] = $1;
+ pos[msg] = cpos;
+ cpos += length (last_msgstr) + 1;
+ msg++;
+
+ if ($1 == "")
+ {
+ has_default = 1;
+ exit;
+ }
+}
+END {
+ if (has_default)
+ coded_msgs = msg - 1;
+ else
+ coded_msgs = msg;
+
+ if (nogettext)
+ print " \"" prefix last_msgstr "\";";
+ else
+ print " gettext_noop (\"" prefix last_msgstr "\");";
+ print "";
+ print "static const int " namespace "msgidx[] =";
+ print " {";
+ for (i = 0; i < coded_msgs; i++)
+ print " " pos[i] ",";
+ print " " pos[coded_msgs];
+ print " };";
+ print "";
+ print "#define " namespace "msgidxof(code) (0 ? -1 \\";
+
+# Gather the ranges.
+ skip = code[0];
+ start = code[0];
+ stop = code[0];
+ for (i = 1; i < coded_msgs; i++)
+ {
+ if (code[i] == stop + 1)
+ stop++;
+ else
+ {
+ print " : ((code >= " start ") && (code <= " stop ")) ? (code - " \
+ skip ") \\";
+ skip += code[i] - stop - 1;
+ start = code[i];
+ stop = code[i];
+ }
+ }
+ print " : ((code >= " start ") && (code <= " stop ")) ? (code - " \
+ skip ") \\";
+ if (has_default)
+ print " : " stop + 1 " - " skip ")";
+ else
+ print " : -1)";
+
+ }