initial rework of xgotext

cli/xgotext/parser/parser.go

@@ -0,0 +1,55 @@
+package parser
+
+import (
+	"os"
+	"path/filepath"
+)
+
+// ParseDirFunc parses one directory
+type ParseDirFunc func(filePath, basePath string, data DomainMap) error
+
+var knownParser []ParseDirFunc
+
+// AddParser to the known parser list
+func AddParser(parser ParseDirFunc) {
+	if knownParser == nil {
+		knownParser = []ParseDirFunc{parser}
+	} else {
+		knownParser = append(knownParser, parser)
+	}
+}
+
+// ParseDir calls all known parser for each directory
+func ParseDir(dirPath, basePath string, data DomainMap) error {
+	dirPath, _ = filepath.Abs(dirPath)
+	basePath, _ = filepath.Abs(basePath)
+
+	for _, parser := range knownParser {
+		err := parser(dirPath, basePath, data)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// ParseDirRec calls all known parser for each directory
+func ParseDirRec(dirPath string) (DomainMap, error) {
+	data := make(DomainMap)
+	dirPath, _ = filepath.Abs(dirPath)
+
+	err := filepath.Walk(dirPath, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		if info.IsDir() {
+			err := ParseDir(path, dirPath, data)
+			if err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+	return data, err
+}