[plc4x] branch develop updated: - Added a RawReset function to the RawPlcValue to allow multiple parser runs of the same raw value.

[cd...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

cdutz pushed a commit to branch develop
in repository https://gitbox.apache.org/repos/asf/plc4x.git


The following commit(s) were added to refs/heads/develop by this push:
     new ac37371  - Added a RawReset function to the RawPlcValue to allow multiple parser runs of the same raw value.
ac37371 is described below

commit ac373715d7b7942a6617163ad5f903a213852a00
Author: Christofer Dutz <ch...@c-ware.de>
AuthorDate: Thu Mar 4 13:00:44 2021 +0100

    - Added a RawReset function to the RawPlcValue to allow multiple parser runs of the same raw value.
---
 plc4go/internal/plc4go/spi/values/RawPlcValue.go | 4 ++++
 plc4go/pkg/plc4go/values/plc_value.go            | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/plc4go/internal/plc4go/spi/values/RawPlcValue.go b/plc4go/internal/plc4go/spi/values/RawPlcValue.go
index b825736..5afb471 100644
--- a/plc4go/internal/plc4go/spi/values/RawPlcValue.go
+++ b/plc4go/internal/plc4go/spi/values/RawPlcValue.go
@@ -73,6 +73,10 @@ func (m RawPlcValue) RawHasMore() bool {
 	return m.readBuffer.HasMore(1)
 }
 
+func (m RawPlcValue) RawReset() {
+	m.readBuffer.Reset()
+}
+
 func (m RawPlcValue) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	if err := e.EncodeToken(xml.StartElement{Name: xml.Name{Local: "PlcByteArray"}}); err != nil {
 		return err
diff --git a/plc4go/pkg/plc4go/values/plc_value.go b/plc4go/pkg/plc4go/values/plc_value.go
index 97f774d..d741909 100644
--- a/plc4go/pkg/plc4go/values/plc_value.go
+++ b/plc4go/pkg/plc4go/values/plc_value.go
@@ -92,8 +92,12 @@ type PlcValue interface {
    the payload yet. This allows an application to take the raw plc-value and have the payload decoded later.
 */
 type RawPlcValue interface {
+	// Read the internal buffer and parse a value of given type
 	RawDecodeValue(typeName string) PlcValue
+	// If the internal read-buffer has not yet reached the end
 	RawHasMore() bool
+	// Reset the internal read-buffer (For the case that a raw plc-value has to be parsed multiple times)
+	RawReset()
 
 	PlcValue
 }