1 files changed, 55 insertions, 0 deletions
diff --git a/common/death/parser.go b/common/death/parser.go
new file mode 100644
index 0000000..e86cffb
--- /dev/null
+++ b/common/death/parser.go
@@ -0,0 +1,55 @@
+package death
+
+import "strings"
+
+type parser interface {
+	parse(msg string) (string, string, bool)
+}
+
+type suffixParser struct {
+	suffix string
+}
+
+func (m suffixParser) parse(msg string) (x, y string, ok bool) {
+	if !strings.HasSuffix(msg, m.suffix) {
+		return "", "", false
+	}
+
+	x = strings.TrimSpace(strings.TrimSuffix(msg, m.suffix))
+	if x == "" {
+		return "", "", false
+	}
+
+	return x, "", true
+}
+
+type infixParser struct {
+	sep    string
+	suffix string
+}
+
+func (m infixParser) parse(msg string) (x, y string, ok bool) {
+	before, after, found := strings.Cut(msg, m.sep)
+	if !found {
+		return "", "", false
+	}
+
+	x = strings.TrimSpace(before)
+	if x == "" {
+		return "", "", false
+	}
+
+	if m.suffix != "" {
+		if !strings.HasSuffix(after, m.suffix) {
+			return "", "", false
+		}
+		after = strings.TrimSuffix(after, m.suffix)
+	}
+
+	y = strings.TrimSpace(after)
+	if y == "" {
+		return "", "", false
+	}
+
+	return x, y, true
+}