init

internal/parsers/pattern.go

@@ -0,0 +1,39 @@
+package parsers
+
+import (
+	"caatsm/internal/config"
+	"regexp"
+)
+
+var bodyTypePattern = regexp.MustCompile(`^\(([A-Z]{3})(.*\n?)+\)$`)
+
+// FindPatterns detects the message body type based on the configuration.
+func FindPatterns(messageBody string, config *config.Config) *config.BodyConfig {
+	if match := bodyTypePattern.FindStringSubmatch(messageBody); len(match) > 1 {
+		name := match[1]
+		for _, body := range config.Body {
+			if body.Name == name {
+				return &body
+			}
+		}
+	}
+	return nil
+}
+
+// ParseBody parses the message body and extracts the data based on the patterns defined in the configuration.
+func ParseBody(messageBody string, config *config.Config) map[string]string {
+	if body := FindPatterns(messageBody, config); body != nil {
+		for _, pattern := range body.Patterns {
+			if matches := pattern.Expression.FindStringSubmatch(messageBody); matches != nil {
+				result := make(map[string]string)
+				for i, name := range pattern.Expression.SubexpNames() {
+					if i != 0 && name != "" {
+						result[name] = matches[i]
+					}
+				}
+				return result
+			}
+		}
+	}
+	return nil
+}