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Commit ccd8ed53 authored by Jean Chalard's avatar Jean Chalard
Browse files

Support stdin and stdout for compress/uncompress 

This will improve flexibility in dictionary generation by
allowing pipelined commands.

Change-Id: Ia07bdc82c8bd740b5dfee6b5fd1a067f4b8b7ba5
parent 9abea49d

tools/dicttool/src/android/inputmethod/latin/dicttool/Compress.java

+22 −16
Original line number Diff line number Diff line
@@ -46,46 +46,52 @@ public class Compress { 


    static public class Compressor extends Dicttool.Command {

        public static final String COMMAND = "compress";

        private static final String SUFFIX = ".compressed";

        public static final String STDIN_OR_STDOUT = "-";



        public Compressor() {

        }



        public String getHelp() {

            return "compress <filename>: Compresses a file using gzip compression";

            return COMMAND + " <src_filename> <dst_filename>: "

                    + "Compresses a file using gzip compression";

        }



        public void run() throws IOException {

            if (mArgs.length < 1) {

                throw new RuntimeException("Not enough arguments for command " + COMMAND);

            if (mArgs.length > 2) {

                throw new RuntimeException("Too many arguments for command " + COMMAND);

            }

            final String inFilename = mArgs[0];

            final String outFilename = inFilename + SUFFIX;

            final FileInputStream input = new FileInputStream(new File(inFilename));

            final FileOutputStream output = new FileOutputStream(new File(outFilename));

            final String inFilename = mArgs.length >= 1 ? mArgs[0] : STDIN_OR_STDOUT;

            final String outFilename = mArgs.length >= 2 ? mArgs[1] : STDIN_OR_STDOUT;

            final InputStream input = inFilename.equals(STDIN_OR_STDOUT) ? System.in

                    : new FileInputStream(new File(inFilename));

            final OutputStream output = outFilename.equals(STDIN_OR_STDOUT) ? System.out

                    : new FileOutputStream(new File(outFilename));

            copy(input, new GZIPOutputStream(output));

        }

    }



    static public class Uncompressor extends Dicttool.Command {

        public static final String COMMAND = "uncompress";

        private static final String SUFFIX = ".uncompressed";

        public static final String STDIN_OR_STDOUT = "-";



        public Uncompressor() {

        }



        public String getHelp() {

            return "uncompress <filename>: Uncompresses a file compressed with gzip compression";

            return COMMAND + " <src_filename> <dst_filename>: "

                    + "Uncompresses a file compressed with gzip compression";

        }



        public void run() throws IOException {

            if (mArgs.length < 1) {

                throw new RuntimeException("Not enough arguments for command " + COMMAND);

            if (mArgs.length > 2) {

                throw new RuntimeException("Too many arguments for command " + COMMAND);

            }

            final String inFilename = mArgs[0];

            final String outFilename = inFilename + SUFFIX;

            final FileInputStream input = new FileInputStream(new File(inFilename));

            final FileOutputStream output = new FileOutputStream(new File(outFilename));

            final String inFilename = mArgs.length >= 1 ? mArgs[0] : STDIN_OR_STDOUT;

            final String outFilename = mArgs.length >= 2 ? mArgs[1] : STDIN_OR_STDOUT;

            final InputStream input = inFilename.equals(STDIN_OR_STDOUT) ? System.in

                    : new FileInputStream(new File(inFilename));

            final OutputStream output = outFilename.equals(STDIN_OR_STDOUT) ? System.out

                    : new FileOutputStream(new File(outFilename));

            copy(new GZIPInputStream(input), output);

        }

    }