140 lines
4.1 KiB
Bash
140 lines
4.1 KiB
Bash
#!/bin/sh
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#
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# lang-build.sh - multi-language support script
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# generate lang_xx.bin (language binary file)
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#
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# Input files:
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# lang_en.txt or lang_en_xx.txt
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#
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# Output files:
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# lang_xx.bin
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#
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# Temporary files:
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# lang_xx.tmp
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# lang_xx.dat
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#
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#awk code to format ui16 variables for dd
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awk_ui16='{ h=int($1/256); printf("\\x%02x\\x%02x\n", int($1-256*h), h); }'
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#startup message
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echo "lang-build.sh started" >&2
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#exiting function
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finish()
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{
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if [ $1 -eq 0 ]; then
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echo "lang-build.sh finished with success" >&2
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else
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echo "lang-build.sh finished with errors!" >&2
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fi
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exit $1
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}
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#returns hexadecial data for lang code
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lang_code_hex_data()
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# $1 - language code ('en', 'cz'...)
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{
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case "$1" in
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*en*) echo '\x6e\x65' ;;
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*cz*) echo '\x73\x63' ;;
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*de*) echo '\x65\x64' ;;
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*es*) echo '\x73\x65' ;;
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*fr*) echo '\x72\x66' ;;
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*it*) echo '\x74\x69' ;;
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*pl*) echo '\x6c\x70' ;;
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esac
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echo '??'
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}
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write_header()
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# $1 - lang
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# $2 - size
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# $3 - count
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# $4 - checksum
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# $5 - signature
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{
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/bin/echo -n -e "\xa5\x5a\xb4\x4b" |\
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dd of=lang_$1.bin bs=1 count=4 seek=0 conv=notrunc 2>/dev/null
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/bin/echo -n -e $(echo -n "$(($2))" | awk "$awk_ui16") |\
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dd of=lang_$1.bin bs=1 count=2 seek=4 conv=notrunc 2>/dev/null
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/bin/echo -n -e $(echo -n "$(($3))" | awk "$awk_ui16") |\
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dd of=lang_$1.bin bs=1 count=2 seek=6 conv=notrunc 2>/dev/null
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/bin/echo -n -e $(echo -n "$(($4))" | awk "$awk_ui16") |\
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dd of=lang_$1.bin bs=1 count=2 seek=8 conv=notrunc 2>/dev/null
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/bin/echo -n -e "$(lang_code_hex_data $1)" |\
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dd of=lang_$1.bin bs=1 count=2 seek=10 conv=notrunc 2>/dev/null
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sig_h=$(($5 / 65536))
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/bin/echo -n -e $(echo -n "$sig_h" | awk "$awk_ui16") |\
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dd of=lang_$1.bin bs=1 count=2 seek=14 conv=notrunc 2>/dev/null
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sig_l=$(($5 - $sig_h * 65536))
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/bin/echo -n -e $(echo -n "$sig_l" | awk "$awk_ui16") |\
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dd of=lang_$1.bin bs=1 count=2 seek=12 conv=notrunc 2>/dev/null
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}
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generate_binary()
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# $1 - language code ('en', 'cz'...)
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{
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echo "lang="$1 >&2
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#remove output and temporary files
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rm -f lang_$1.bin
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rm -f lang_$1.tmp
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rm -f lang_$1.dat
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LNG=$1
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#create lang_xx.tmp - different processing for 'en' language
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if [ "$1" = "en" ]; then
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#remove comments and empty lines
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cat lang_en.txt | sed '/^$/d;/^#/d'
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else
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#remove comments and empty lines, print lines with translated text only
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cat lang_en_$1.txt | sed '/^$/d;/^#/d' | sed -n 'n;p'
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fi | sed 's/^\"\\x00\"$/\"\"/' > lang_$1.tmp
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#create lang_xx.dat (binary text data file)
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# cat lang_$1.tmp | sed 's/^\"/\/bin\/echo -e \"/;s/"$/\\x00\"/' > lang_$1.shx
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cat lang_$1.tmp | sed 's/^\"/\/bin\/echo -e \"/;s/"$/\\x00\"/' | sh >lang_$1.dat
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#calculate number of strings
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count=$(grep -c '^"' lang_$1.tmp)
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echo "count="$count >&2
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#calculate text data offset
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offs=$((16 + 2 * $count))
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echo "offs="$offs >&2
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#calculate text data size
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size=$(($offs + $(wc -c lang_$1.dat | cut -f1 -d' ')))
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echo "size="$size >&2
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#write header with empty signature and checksum
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write_header $1 $size $count 0x0000 0x00000000
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#write offset table
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offs_hex=$(cat lang_$1.tmp | sed 's/^\"//;s/\"$//' |\
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sed 's/\\x[0-9a-f][0-9a-f]/\./g;s/\\[0-7][0-7][0-7]/\./g;s/\ /\./g' |\
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awk 'BEGIN { o='$offs';} { h=int(o/256); printf("\\x%02x\\x%02x",int(o-256*h), h); o+=(length($0)+1); }')
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/bin/echo -n -e "$offs_hex" | dd of=./lang_$1.bin bs=1 seek=16 conv=notrunc 2>/dev/null
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#write binary text data
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dd if=./lang_$1.dat of=./lang_$1.bin bs=1 seek=$offs conv=notrunc 2>/dev/null
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#write signature
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if [ "$1" != "en" ]; then
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dd if=lang_en.bin of=lang_$1.bin bs=1 count=4 skip=6 seek=12 conv=notrunc 2>/dev/null
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fi
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#calculate and update checksum
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chsum=$(cat lang_$1.bin | xxd | cut -c11-49 | tr ' ' "\n" | sed '/^$/d' | awk 'BEGIN { sum = 0; } { sum += strtonum("0x"$1); if (sum > 0xffff) sum -= 0x10000; } END { printf("%x\n", sum); }')
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/bin/echo -n -e $(echo -n $((0x$chsum)) | awk "$awk_ui16") |\
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dd of=lang_$1.bin bs=1 count=2 seek=8 conv=notrunc 2>/dev/null
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#remove temporary files
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# rm -f lang_$1.tmp
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# rm -f lang_$1.dat
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}
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if [ -z "$1" ]; then set 'all'; fi
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if [ "$1" = "all" ]; then
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generate_binary 'en'
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generate_binary 'cz'
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generate_binary 'de'
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generate_binary 'es'
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generate_binary 'it'
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generate_binary 'pl'
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else
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generate_binary $1
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fi
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finish 0
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