Add homematic-go v0.1.0

This is the minimal viable product (MVP) of this library suitable to
build the MVP of the sia-server.

1 files changed, 92 insertions, 0 deletions

diff --git a/vendor/xengineering.eu/homematic-go/homematic/device.go b/vendor/xengineering.eu/homematic-go/homematic/device.go
new file mode 100644
index 0000000..fc7f383
--- /dev/null
+++ b/vendor/xengineering.eu/homematic-go/homematic/device.go
@@ -0,0 +1,92 @@
+package homematic
+
+import (
+	"fmt"
+	"strconv"
+
+	"github.com/beevik/etree"
+)
+
+type Device struct {
+	Type    string
+	Subtype string
+	Address string
+	Parent  string
+	Version int
+}
+
+func (d Device) String() string {
+	return fmt.Sprintf(
+		"Homematic device\n"+
+			"TYPE: %s\n"+
+			"SUBTYPE: %s\n"+
+			"ADDRESS: %s\n"+
+			"PARENT: %s\n"+
+			"VERSION: %d",
+		d.Type,
+		d.Subtype,
+		d.Address,
+		d.Parent,
+		d.Version,
+	)
+}
+
+func (d *Device) LoadXML(doc *etree.Document) error {
+	types := doc.FindElements("/struct/member[name='TYPE']/value")
+	if len(types) != 1 {
+		return fmt.Errorf("Expected one type field but got %d.", len(types))
+	}
+
+	subtypes := doc.FindElements("/struct/member[name='SUBTYPE']/value")
+	if len(subtypes) != 1 {
+		return fmt.Errorf("Expected one subtype field but got %d.", len(subtypes))
+	}
+
+	addresses := doc.FindElements("/struct/member[name='ADDRESS']/value")
+	if len(addresses) != 1 {
+		return fmt.Errorf("Expected one address field but got %d.", len(addresses))
+	}
+
+	parents := doc.FindElements("/struct/member[name='PARENT']/value")
+	if len(parents) != 1 {
+		return fmt.Errorf("Expected one parent field but got %d.", len(parents))
+	}
+
+	versions := doc.FindElements("/struct/member[name='VERSION']/value/i4")
+	if len(versions) != 1 {
+		return fmt.Errorf("Expected one version field but got %d.", len(versions))
+	}
+
+	version, err := strconv.Atoi(versions[0].Text())
+	if err != nil {
+		return fmt.Errorf(
+			"Cannot convert version value '%s' to an integer: %w",
+			versions[0].Text(),
+			err,
+		)
+	}
+
+	d.Type = types[0].Text()
+	d.Subtype = subtypes[0].Text()
+	d.Address = addresses[0].Text()
+	d.Parent = parents[0].Text()
+	d.Version = version
+
+	return nil
+}
+
+type Devices []Device
+
+func (devices Devices) String() string {
+	value := ""
+
+	for index, device := range devices {
+		if index > 0 {
+			value = value + "\n"
+		}
+
+		value = value + fmt.Sprintf("%v\n", device)
+	}
+
+	return value
+}