remove ginext/mongoext (no-dep lib)

dataext/bufferedReadCloser.go

@@ -0,0 +1,56 @@
+package dataext
+
+import "io"
+
+type BufferedReadCloser interface {
+	io.ReadCloser
+	BufferedAll() ([]byte, error)
+}
+
+type bufferedReadCloser struct {
+	buffer   []byte
+	inner    io.ReadCloser
+	finished bool
+}
+
+func (b *bufferedReadCloser) Read(p []byte) (int, error) {
+
+	n, err := b.inner.Read(p)
+	if n > 0 {
+		b.buffer = append(b.buffer, p[0:n]...)
+	}
+
+	if err == io.EOF {
+		b.finished = true
+	}
+
+	return n, err
+}
+
+func NewBufferedReadCloser(sub io.ReadCloser) BufferedReadCloser {
+	return &bufferedReadCloser{
+		buffer:   make([]byte, 0, 1024),
+		inner:    sub,
+		finished: false,
+	}
+}
+
+func (b *bufferedReadCloser) Close() error {
+	err := b.inner.Close()
+	if err != nil {
+		b.finished = true
+	}
+	return err
+}
+
+func (b *bufferedReadCloser) BufferedAll() ([]byte, error) {
+	arr := make([]byte, 1024)
+	for !b.finished {
+		_, err := b.Read(arr)
+		if err != nil && err != io.EOF {
+			return nil, err
+		}
+	}
+
+	return b.buffer, nil
+}