tools/update_lua_locale_files.sh
author Wuzzy <Wuzzy2@mail.ru>
Mon, 30 Oct 2017 22:16:37 +0100
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#!/bin/sh -
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# Script to update all Lua locale files.
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# It's Clunky and slow!
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# Note this script may sooner or later be phased out when we move to Gettext.
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# HOW TO USE:
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# - Run this script in the tools/ directory.
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# - All .lua files in share/hedgewars/Data/Locale will be updated.
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# - Change LOCALEFILES below to limit the number of locale files to update
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# Space-separated list of locale files to update, or *.lua for all.
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# (Note: always include stub.lua)
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LOCALEFILES="*.lua"
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# List of all Lua files to scan:
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# * Missions
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# * Campaign missions
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# * Lua libraries
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# * Styles (aka multiplayer scripts)
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# * Mission maps
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# IMPORTANT: Don't forget to update this list when new places for Lua
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#            directories have been added!
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LUAFILES="../Missions/Challenge/*.lua\
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 ../Missions/Scenario/*.lua\
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 ../Missions/Training/*.lua\
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 ../Missions/Campaign/*/*.lua\
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 ../Scripts/*.lua\
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 ../Scripts/Multiplayer/*.lua\
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 ../Maps/*/map.lua"
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cd ../share/hedgewars/Data/Locale;
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# Collect strings
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echo "Step 1: Collect strings";
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echo -n "" > __temp_loc;
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for F in loc loc_noop;
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	do
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	grep -F "$F(\"" $LUAFILES | sed 's/")/")\n/g' | sed "s/.*$F(\"/loc(\"/;s/\").*/\")/" | grep loc | sort | uniq >> __temp_loc;
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done
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# Update locale files
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# This step is clunky and inefficient. Improve performance (if you are bored)!
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echo "Step 2: Update locale files (this may take a while)";
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for i in $LOCALEFILES;
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do
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	echo $i;
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	cat __temp_loc | while read f
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		do
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		STR=$(echo "$f" | sed 's/loc("//;s/")\s*$//;s/"/\\"/g');
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		MAPS=$(grep -F -l -- "loc(\"${STR}\")" $LUAFILES | sed 's/.*\/\([^\/]*\)\/map.lua/\1/;s/.*Campaign\/\([^\/]*\)\//\1:/;s/.*\///;s/.lua//;s/ /_/g' | xargs | sed 's/ /, /g');
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		C=$(echo $MAPS | sed 's/,/\n/' | wc -l)
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		grep -Fq -- "[\"${STR}\"]" $i;
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		if (($?));
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		then
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			if ((C>0));
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			then
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				echo "--      [\"${STR}\"] = \"\", -- $MAPS" >> $i;
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			else
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				echo "--      [\"${STR}\"] = \"\"," >> $i;
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			fi;
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		fi;
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	done;
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done
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# Sort
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echo "Step 3: Sort strings";
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for i in $LOCALEFILES;
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do
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	echo $i;
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	rm -f __temp_head __temp_tail __temp_lua;
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	cat $i | grep -Ev "}|{" | grep -Ev "^[[:space:]]*$" | sort | uniq > __temp_lua;
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	echo "locale = {" > __temp_head;
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	echo "}" > __temp_tail;
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	cat __temp_head __temp_lua __temp_tail > $i;
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done
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# Drop unused
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echo "Step 4: Delete unused strings";
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cat stub.lua | grep '"] =' | while read f;
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do
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	PHRASE=$(echo "$f" | sed 's/[^[]*\["//;s/"] =.*//;s/"/\\"/g');
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	CNT=$(grep -Frc "loc(\"$PHRASE\")" __temp_loc);
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	if (($CNT==0));
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	then
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		echo "|$PHRASE|";
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		PHRASE=$(echo "$PHRASE" | sed 's/\\/\\\\/g;s/\[/\\[/g;s/\]/\\]/g;s/\//\\\//g');
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		sed -i "/.*\[\"$PHRASE\"\].*/d" $LOCALEFILES;
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	fi;
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done
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# Delete temporary files
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rm __temp_head __temp_tail __temp_lua __temp_loc;
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echo "Done."