Adding upstream version 2.5.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

analysis/lang/it/articles_it.go

@@ -0,0 +1,48 @@
+package it
+
+import (
+	"github.com/blevesearch/bleve/v2/analysis"
+	"github.com/blevesearch/bleve/v2/registry"
+)
+
+const ArticlesName = "articles_it"
+
+// this content was obtained from:
+// lucene-4.7.2/analysis/common/src/resources/org/apache/lucene/analysis
+
+var ItalianArticles = []byte(`
+c
+l
+all
+dall
+dell
+nell
+sull
+coll
+pell
+gl
+agl
+dagl
+degl
+negl
+sugl
+un
+m
+t
+s
+v
+d
+`)
+
+func ArticlesTokenMapConstructor(config map[string]interface{}, cache *registry.Cache) (analysis.TokenMap, error) {
+	rv := analysis.NewTokenMap()
+	err := rv.LoadBytes(ItalianArticles)
+	return rv, err
+}
+
+func init() {
+	err := registry.RegisterTokenMap(ArticlesName, ArticlesTokenMapConstructor)
+	if err != nil {
+		panic(err)
+	}
+}