improvement: add Regex and EBNF support to PlantUML file.

mindolph · Mar 1, 2025 · 3eb689d · 3eb689d
1 parent a8bb531
commit 3eb689d
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Showing 2 changed files with 23 additions and 5 deletions.
diff --git a/code/mindolph-plantuml/src/main/java/com/mindolph/plantuml/PlantUmlTemplates.java b/code/mindolph-plantuml/src/main/java/com/mindolph/plantuml/PlantUmlTemplates.java
@@ -284,6 +284,23 @@ private PlantUmlTemplates() {
                         content:
                             title: This is a YAML script
                         @endyaml
+                        """),
+                new Template("EBNF", """
+                        @startebnf
+                        'this file is created by Mindolph at %s
+                        title Title
+                        my_enbf = {"a", c , "a" (* Note on a *)}
+                        | ? special ?
+                        | "repetition", 4 * '2';
+                        (* Global End Note *)
+                        @endebnf
+                        """),
+                new Template("Regex", """
+                        @startregex
+                        'this file is created by Mindolph at %s
+                        title minimumRepetition
+                        ab{1}c{1,}
+                        @endregex
                         """)
         );
     }

diff --git a/code/mindolph-plantuml/src/main/java/com/mindolph/plantuml/constant/PlantUmlConstants.java b/code/mindolph-plantuml/src/main/java/com/mindolph/plantuml/constant/PlantUmlConstants.java
@@ -11,12 +11,12 @@ public interface PlantUmlConstants extends SyntaxConstants {
 
     String[] DIAGRAM_KEYWORDS_START = new String[]{
             "startsalt", "startgantt", "startlatex", "startmath", "startdot",
-            "startuml", "startmindmap", "startwbs", "startyaml", "startjson"
+            "startuml", "startmindmap", "startwbs", "startyaml", "startjson", "startregex", "startebnf"
     };
 
     String[] DIAGRAM_KEYWORDS_END = new String[]{
             "endsalt",  "endgantt",  "endlatex",  "endmath",  "enddot",
-            "enduml",  "endmindmap",  "endwbs",  "endyaml",  "endjson"
+            "enduml",  "endmindmap",  "endwbs",  "endyaml",  "endjson", "endregex", "endebnf"
     };
 
     String DIAGRAM_PATTERN = "@(" + String.join("|", ArrayUtils.addAll(DIAGRAM_KEYWORDS_START, DIAGRAM_KEYWORDS_END)) + ")";
@@ -44,15 +44,16 @@ public interface PlantUmlConstants extends SyntaxConstants {
             "center", "footer", "return"
     };
     String KEYWORD_PATTERN = "\\b(" + String.join("|", KEYWORDS) + ")\\b";
-    String COMMENT_PATTERN = "(" + BLANK_CHAR + "*'.*)";
+    // include EBNF note
+    String COMMENT_PATTERN = "(%s*'.*)|(\\(\\*[.\\s\\S]+?\\*\\))".formatted(BLANK_CHAR);
     String BLOCK_COMMENT_PATTERN = "\\/'[.\\s\\S]+?'\\/";
 
     String ARROW1 = "[<>ox#\\*\\{\\}\\+\\^]";
     String ARROW2 = "([\\|\\}\\<][\\|o])|([\\|o][\\|\\{\\>])";
     String BAR = "-|\\.|(--)|(\\.\\.)";
     String CONNECTOR = "((%s)|(%s))*(%s)((%s)|(%s))*".formatted(ARROW2, ARROW1, BAR, ARROW2, ARROW1);
-
-    String QUOTE_BLOCK = "(\"[^\"]*?\")|(\\[[^\\]]*?\\])";
+    // include EBNF quote
+    String QUOTE_BLOCK = "(\"[^\"]*?\")|(\\[[^\\]]*?\\])|(\\?[.\\s\\S]+?\\?)";
 
     String ACTIVITY = ":[^;]*?;";
 }