support dots within a single path node

Resolves #73

CHANGELOG.md

@@ -3,6 +3,9 @@
 # easy-i18n Changelog
 
 ## [Unreleased]
+### Added
+- Support for dots within key nodes in YAML files
+
 ### Fixed
 - Key focus within tree or table view after translation change
 

src/main/java/de/marhali/easyi18n/io/yaml/YamlMapper.java

@@ -2,6 +2,7 @@ package de.marhali.easyi18n.io.yaml;
 
 import de.marhali.easyi18n.model.Translation;
 import de.marhali.easyi18n.model.TranslationNode;
+import de.marhali.easyi18n.util.PathUtil;
 import de.marhali.easyi18n.util.StringUtil;
 
 import org.apache.commons.lang.StringEscapeUtils;
@@ -23,6 +24,9 @@ public class YamlMapper {
         for(String key : section.getKeys()) {
             Object value = section.getInScope(key).get();
 
+            key = StringUtil.escapeControls(
+                    key.replace(PathUtil.DELIMITER, "\\" + PathUtil.DELIMITER), true);
+
             TranslationNode childNode = node.getOrCreateChildren(key);
 
             if(value instanceof MapSection) {
@@ -43,7 +47,9 @@ public class YamlMapper {
 
     public static void write(String locale, Section section, TranslationNode node) {
         for(Map.Entry<String, TranslationNode> entry : node.getChildren().entrySet()) {
-            String key = entry.getKey();
+            String key = StringEscapeUtils.unescapeJava(
+                    entry.getKey().replace("\\" + PathUtil.DELIMITER, PathUtil.DELIMITER));
+
             TranslationNode childNode = entry.getValue();
 
             if(!childNode.isLeaf()) {

src/main/java/de/marhali/easyi18n/util/PathUtil.java

@@ -9,6 +9,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
+import java.util.regex.Pattern;
 
 /**
  * Utility tool for split and merge translation key paths.
@@ -18,7 +19,7 @@ import java.util.List;
  */
 public class PathUtil {
 
-    public static final char DELIMITER = '.';
+    public static final String DELIMITER = ".";
 
     private final boolean nestKeys;
 
@@ -32,11 +33,12 @@ public class PathUtil {
 
     public @NotNull List<String> split(@NotNull String path) {
         // Does not contain any sections or key nesting is disabled
-        if(!path.contains(String.valueOf(DELIMITER)) || !nestKeys) {
+        if(!path.contains(DELIMITER) || !nestKeys) {
             return new ArrayList<>(Collections.singletonList(path));
         }
 
-        return new ArrayList<>(Arrays.asList(path.split("\\" + DELIMITER)));
+        return new ArrayList<>(Arrays.asList(
+                path.split("(?<!\\\\)" + Pattern.quote(DELIMITER))));
     }
 
     public @NotNull String concat(@NotNull List<String> sections) {