1 files changed, 112 insertions, 0 deletions
diff --git a/vendor/github.com/nicksnyder/go-i18n/v2/internal/parse.go b/vendor/github.com/nicksnyder/go-i18n/v2/internal/parse.go
new file mode 100644
index 000000000..a5cee87c6
--- /dev/null
+++ b/vendor/github.com/nicksnyder/go-i18n/v2/internal/parse.go
@@ -0,0 +1,112 @@
+package internal
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"golang.org/x/text/language"
+)
+
+// UnmarshalFunc unmarshals data into v.
+type UnmarshalFunc func(data []byte, v interface{}) error
+
+// MessageFile represents a parsed message file.
+type MessageFile struct {
+	Path     string
+	Tag      language.Tag
+	Format   string
+	Messages []*Message
+}
+
+// ParseMessageFileBytes returns the messages parsed from file.
+func ParseMessageFileBytes(buf []byte, path string, unmarshalFuncs map[string]UnmarshalFunc) (*MessageFile, error) {
+	lang, format := parsePath(path)
+	tag := language.Make(lang)
+	messageFile := &MessageFile{
+		Path:   path,
+		Tag:    tag,
+		Format: format,
+	}
+	if len(buf) == 0 {
+		return messageFile, nil
+	}
+	unmarshalFunc := unmarshalFuncs[messageFile.Format]
+	if unmarshalFunc == nil {
+		if messageFile.Format == "json" {
+			unmarshalFunc = json.Unmarshal
+		} else {
+			return nil, fmt.Errorf("no unmarshaler registered for %s", messageFile.Format)
+		}
+	}
+	var raw interface{}
+	if err := unmarshalFunc(buf, &raw); err != nil {
+		return nil, err
+	}
+	switch data := raw.(type) {
+	case map[string]interface{}:
+		messageFile.Messages = make([]*Message, 0, len(data))
+		for id, data := range data {
+			m, err := NewMessage(data)
+			if err != nil {
+				return nil, err
+			}
+			m.ID = id
+			messageFile.Messages = append(messageFile.Messages, m)
+		}
+	case map[interface{}]interface{}:
+		messageFile.Messages = make([]*Message, 0, len(data))
+		for id, data := range data {
+			strid, ok := id.(string)
+			if !ok {
+				return nil, fmt.Errorf("expected key to be string but got %#v", id)
+			}
+			m, err := NewMessage(data)
+			if err != nil {
+				return nil, err
+			}
+			m.ID = strid
+			messageFile.Messages = append(messageFile.Messages, m)
+		}
+	case []interface{}:
+		// Backward compatibility for v1 file format.
+		messageFile.Messages = make([]*Message, 0, len(data))
+		for _, data := range data {
+			m, err := NewMessage(data)
+			if err != nil {
+				return nil, err
+			}
+			messageFile.Messages = append(messageFile.Messages, m)
+		}
+	default:
+		return nil, fmt.Errorf("unsupported file format %T", raw)
+	}
+	return messageFile, nil
+}
+
+func parsePath(path string) (langTag, format string) {
+	formatStartIdx := -1
+	for i := len(path) - 1; i >= 0; i-- {
+		c := path[i]
+		if os.IsPathSeparator(c) {
+			if formatStartIdx != -1 {
+				langTag = path[i+1 : formatStartIdx]
+			}
+			return
+		}
+		if path[i] == '.' {
+			if formatStartIdx != -1 {
+				langTag = path[i+1 : formatStartIdx]
+				return
+			}
+			if formatStartIdx == -1 {
+				format = path[i+1:]
+				formatStartIdx = i
+			}
+		}
+	}
+	if formatStartIdx != -1 {
+		langTag = path[:formatStartIdx]
+	}
+	return
+}