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package main
import (
iou "0dev.org/ioutil"
predictor "0dev.org/predictor"
"bufio"
"fmt"
"io"
"os"
)
func main() {
switch {
case len(os.Args) == 1:
os.Exit(compress(os.Stdout, os.Stdin))
case len(os.Args) == 2 && os.Args[1] == "-d":
os.Exit(decompress(os.Stdout, os.Stdin))
default:
fmt.Fprintln(os.Stdout, "Usage: pdc [-d]")
}
}
// Compress the data from the given io.Reader and write it to the given io.Writer
// I/O is buffered for better performance
func compress(output io.Writer, input io.Reader) int {
var (
err error
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package main
import (
pprof "0dev.org/debug/pprof"
iou "0dev.org/ioutil"
predictor "0dev.org/predictor"
// "bufio"
"fmt"
"io"
"os"
)
func main() {
var code int
switch {
case len(os.Args) == 1:
code = compress(os.Stdout, os.Stdin)
case len(os.Args) == 2 && os.Args[1] == "-d":
code = decompress(os.Stdout, os.Stdin)
default:
fmt.Fprintln(os.Stdout, "Usage: pdc [-d]")
}
pprof.Stop()
os.Exit(code)
}
// Compress the data from the given io.Reader and write it to the given io.Writer
// I/O is buffered for better performance
func compress(output io.Writer, input io.Reader) int {
var (
err error
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// Decompress the data from the given io.Reader and write it to the given io.Writer
// I/O is buffered for better performance
func decompress(output io.Writer, input io.Reader) int {
var (
err error
buffer io.Writer = iou.SizedWriter(output, 4096)
decompressor io.Reader = predictor.Decompressor(bufio.NewReader(input))
)
_, err = io.Copy(buffer, decompressor)
if err != nil {
fmt.Fprintln(os.Stderr, "Error while decompressing.\n", err)
return 1
}
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// Decompress the data from the given io.Reader and write it to the given io.Writer
// I/O is buffered for better performance
func decompress(output io.Writer, input io.Reader) int {
var (
err error
buffer io.Writer = iou.SizedWriter(output, 4096)
decompressor io.Reader = predictor.Decompressor(iou.SizedReader(input, 4096))
//decompressor io.Reader = predictor.Decompressor(bufio.NewReader(input))
)
_, err = io.Copy(buffer, decompressor)
if err != nil {
fmt.Fprintln(os.Stderr, "Error while decompressing.\n", err)
return 1
}
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