add hex to analyzer's properties (#414)

Author: informalict

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Change Log
 
 ## [master](https://github.com/arangodb/go-driver/tree/master) (N/A)
+- Add `hex` property to analyzer's properties
 
 ## [1.3.3](https://github.com/arangodb/go-driver/tree/v1.3.3) (2022-07-27)
 - Fix `lastValue` field type

test/arangosearch_analyzers_test.go

@@ -282,6 +282,32 @@ func TestArangoSearchAnalyzerEnsureAnalyzer(t *testing.T) {
 				},
 			},
 		},
+		{
+			Name:       "create-stopWords",
+			MinVersion: newVersion("3.9"),
+			Definition: driver.ArangoSearchAnalyzerDefinition{
+				Name: "my-stopWords",
+				Type: driver.ArangoSearchAnalyzerTypeStopwords,
+				Properties: driver.ArangoSearchAnalyzerProperties{
+					Hex: newBool(true),
+					Stopwords: []string{
+						"616e64",
+						"746865",
+					},
+				},
+			},
+			ExpectedDefinition: &driver.ArangoSearchAnalyzerDefinition{
+				Name: "my-stopWords",
+				Type: driver.ArangoSearchAnalyzerTypeStopwords,
+				Properties: driver.ArangoSearchAnalyzerProperties{
+					Hex: newBool(true),
+					Stopwords: []string{
+						"616e64",
+						"746865",
+					},
+				},
+			},
+		},
 	}
 
 	for _, testCase := range testCases {

view_arangosearch.go

@@ -191,6 +191,11 @@ type ArangoSearchAnalyzerProperties struct {
 
 	// Break used by Segmentation
 	Break ArangoSearchBreakType `json:"break,omitempty"`
+
+	// Hex used by stopwords.
+	// If false then each string in stopwords is used verbatim.
+	// If true, then each string in stopwords needs to be hex-encoded.
+	Hex *bool `json:"hex,omitempty"`
 }
 
 // ArangoSearchAnalyzerGeoJSONType GeoJSON Type parameter.