mpv/help/help_create.sh

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#!/bin/sh
# Create the messages header file from the master source file or a translation.
# Missing messages are filled in from the master message file and, if
# requested, character set conversion is performed.
if test -z $2 ; then
echo "Error: missing parameters"
echo "Usage: $0 <messages file> <character set>"
exit 1
fi
MASTER=help/help_mp-en.h
TARGET=help_mp.h
TRANSLATION=$1
CHARSET=$2
missing_messages(){
curr=""
while read -r line; do
if echo "$line" | grep -q '^#define' ; then
curr=`printf "%s\n" "$line" | cut -d ' ' -f 2`
if grep -q "^#define $curr[ ]" "$TRANSLATION" ; then
curr=""
fi
else
if [ -z "$line" ]; then
curr=""
fi
fi
if [ -n "$curr" ]; then
printf "%s\n" "$line"
fi
done
}
cat <<EOF > "$TARGET"
/* WARNING! This is a generated file, do NOT edit.
* See the help/ subdirectory for the editable files. */
#ifndef MPLAYER_HELP_MP_H
#define MPLAYER_HELP_MP_H
EOF
cat "$TRANSLATION" >> "$TARGET"
cat <<EOF >> "$TARGET"
/* untranslated messages from the English master file */
EOF
if test "$MASTER" != "$TRANSLATION" ; then
missing_messages < "$MASTER" >> "$TARGET"
fi
cat <<EOF >> "$TARGET"
#endif /* MPLAYER_HELP_MP_H */
EOF
if test $CHARSET != UTF-8 ; then
iconv -f UTF-8 -t "$CHARSET" "$TARGET" > "${TARGET}.tmp"
mv "${TARGET}.tmp" "$TARGET"
fi