1 files changed, 43 insertions, 0 deletions
diff --git a/vendor/github.com/DavidBelicza/TextRank/v2/convert/builder.go b/vendor/github.com/DavidBelicza/TextRank/v2/convert/builder.go
new file mode 100644
index 0000000..db94cfc
--- /dev/null
+++ b/vendor/github.com/DavidBelicza/TextRank/v2/convert/builder.go
@@ -0,0 +1,43 @@
+package convert
+
+import (
+	"github.com/DavidBelicza/TextRank/v2/parse"
+	"github.com/DavidBelicza/TextRank/v2/rank"
+)
+
+// TextToRank function converts a ParsedSentence object to Rank object, it is
+// the preparing process to later text ranking.
+func TextToRank(sentence parse.ParsedSentence, lang Language, ranks *rank.Rank) {
+	sentenceId := addSentence(ranks, sentence)
+	addWord(ranks, sentence.GetWords(), lang, sentenceId)
+}
+
+func addWord(ranks *rank.Rank, words []string, lang Language, sentenceID int) {
+	prevWordID := -1
+	var curWordID int
+
+	for _, word := range words {
+		if !lang.IsStopWord(word) {
+			if found, rootWord := lang.FindRootWord(word); found {
+				word = rootWord
+			}
+
+			if !ranks.IsWordExist(word) {
+				curWordID = ranks.AddNewWord(word, prevWordID, sentenceID)
+			} else {
+				curWordID = ranks.UpdateWord(word, prevWordID, sentenceID)
+			}
+
+			ranks.Relation.AddRelation(curWordID, prevWordID, sentenceID)
+			ranks.UpdateRightConnection(prevWordID, curWordID)
+
+			prevWordID = curWordID
+		}
+	}
+}
+
+func addSentence(ranks *rank.Rank, sentence parse.ParsedSentence) int {
+	ranks.SentenceMap[len(ranks.SentenceMap)] = sentence.GetOriginal()
+
+	return len(ranks.SentenceMap) - 1
+}