initial commit

cmd/jsonstream.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"io"
+	"os"
+
+	"github.com/brettlangdon/jsonstream"
+)
+
+var input io.Reader
+var inputFile string
+
+func init() {
+	flag.StringVar(&inputFile, "file", nil, "")
+}
+
+func main() {
+	reader := jsonstream.NewReader(os.Stdin)
+	for {
+		data, err := reader.ReadLine()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			panic(err)
+		}
+
+		var output []byte
+		output, err = json.Marshal(data)
+		if err != nil {
+			panic(err)
+		}
+		fmt.Printf("%s\r\n", output)
+	}
+}

jsonstream.go

@@ -0,0 +1 @@
+package jsonstream

reader.go

@@ -0,0 +1,34 @@
+package jsonstream
+
+import (
+	"bufio"
+	"encoding/json"
+	"errors"
+	"io"
+)
+
+type Reader struct {
+	buffer *bufio.Reader
+}
+
+func NewReader(r io.Reader) *Reader {
+	return &Reader{
+		buffer: bufio.NewReader(r),
+	}
+}
+
+func (reader *Reader) ReadLine() (data interface{}, err error) {
+	var line []byte
+	var isPrefix bool
+	line, isPrefix, err = reader.buffer.ReadLine()
+
+	if isPrefix {
+		err = errors.New("Line exceeds the length of the buffer")
+	}
+
+	if err == nil {
+		err = json.Unmarshal(line, &data)
+	}
+
+	return data, err
+}