regex corrections and added indentation tests for class diagrams

correct indentation regexs found by tests for class diagrams

plantuml-mode.el

@@ -346,9 +346,9 @@ Uses prefix (as PREFIX) to choose where to display it:
     (defvar plantuml-preprocessors-regexp (concat "^\\s *" (regexp-opt plantuml-preprocessors 'words)))
 
     (defvar plantuml-indent-regexp-block-start "^.*{\s*$"
-      "Indentation regex for all plantuml elements that might define a {} or [] block.
+      "Indentation regex for all plantuml elements that might define a {} block.
 Plantuml elements like skinparam, rectangle, sprite, package, ….
-The opening { or [ has to be the last visible character in the line (whitespace
+The opening { has to be the last visible character in the line (whitespace
 might follow).")
     (defvar plantuml-indent-regexp-note-start "^\s*\\(note\s+over\\|note\sas\s.*\\|note\s+\\(\\(?:\\(?:button\\|left\\|right\\|top\\)\\)\\)\\(?:\s+of\\)?\\)"
       "Indentation regex for all plantuml note elements")
@@ -373,7 +373,7 @@ or it is followed by line end.")
                                                plantuml-indent-regexp-footer-start
                                                plantuml-indent-regexp-legend-start
                                                plantuml-indent-regexp-if-start))
-    (defvar plantuml-indent-regexp-end "^\s*\\(?:endif\\|else\s*.*\\|end\\|end\s+note\\|end\s+box\\|.*}\\|deactivate\s+.+\\|end\s+title\\|endheader\\|endfooter\\|endlegend\\)")
+    (defvar plantuml-indent-regexp-end "^\s*\\(?:endif\\|else\s*.*\\|end\\|end\s+note\\|end\s+box\\|}\\|deactivate\s+.+\\|end\s+title\\|endheader\\|endfooter\\|endlegend\\)$")
     (setq plantuml-font-lock-keywords
           `(
             (,plantuml-types-regexp . font-lock-type-face)

test/plantuml-indentation-class-test.el

@@ -0,0 +1,301 @@
+;;; plantuml-indentation-class-test.el --- PlantUML Mode indentation tests   -*- lexical-binding: t; -*-
+
+;; Author: René Schmelzer
+;; Maintainer: Carlo Sciolla (skuro)
+;; URL: https://github.com/skuro/plantuml-mode
+
+;;; Commentary:
+
+;; Test indentation for class diagrams.
+
+;;; Code:
+
+(ert-deftest plantuml-test-indentation/class-diagram ()
+  "Test correct indentation of plantuml class diagram elements.
+These code examples are taken from www.plantuml.com"
+  (plantuml-test-indent-block
+
+   "
+            class Dummy {
+            String data
+            void methods()
+            }
+
+            class Flight {
+            flightNumber : Integer
+            departureTime : Date
+            }
+
+            class Dummy1 {
+            {field} A field (despite parentheses)
+            {method} Some method
+            }
+
+            class Dummy2 {
+            -field1
+            #field2
+            ~method1()
+            +method2()
+            }
+
+            class Dummy3 {
+            {static} String id
+            {abstract} void methods()
+            }
+
+            class Foo1 {
+            You can use
+            several lines
+            ..
+            as you want
+            and group
+            ==
+            things together.
+            __
+            You can have as many groups
+            as you want
+            --
+            End of class
+            }
+
+            class User {
+            .. Simple Getter ..
+            + getName()
+            + getAddress()
+            .. Some setter ..
+            + setName()
+            __ private data __
+            int age
+            -- encrypted --
+            String password
+            }
+
+            class ArrayList {
+            Object[] elementData
+            size()
+            }
+
+            enum TimeUnit {
+            DAYS
+            HOURS
+            MINUTES
+            }
+
+            class Dummy4 <<Serializable>> {
+            String name
+            }
+
+            class Foo<? extends Element> {
+            int size()
+            }
+
+            package \"Classic Collections\" #DDDDDD {
+            Object <|-- ArrayList
+            }
+
+            package net.sourceforge.plantuml {
+            Object <|-- Demo1
+            Demo1 *- Demo2
+            }
+
+            package foo1 <<Node>> {
+            class Class1
+            }
+
+            package foo2 <<Rectangle>> {
+            class Class2
+            }
+
+            package foo3 <<Folder>> {
+            class Class3
+            }
+
+            package foo4 <<Frame>> {
+            class Class4
+            }
+
+            package foo5 <<Cloud>> {
+            class Class5
+            }
+
+            package foo6 <<Database>> {
+            class Class6
+            }
+
+            package foo1.foo2 {
+            class ObjectFoo1Foo2
+            }
+
+            package foo1.foo2.foo3 {
+            class Objectfoo1.foo2.foo3
+            }
+
+            namespace net.dummy #DDDDDD {
+            .BaseClass <|-- Person
+            Meeting o-- Person
+
+            .BaseClass <|- Meeting
+            }
+
+            namespace net.foo {
+            net.dummy.Person  <|- Person
+            .BaseClass <|-- Person
+
+            net.dummy.Meeting o-- Person
+            }
+
+            set namespaceSeparator ::
+            class X1::X2::foo {
+            some info
+            }
+
+            together {
+            class Together1
+            class Together2
+            class Together3
+            }
+"
+   "
+class Dummy {
+  String data
+  void methods()
+}
+
+class Flight {
+  flightNumber : Integer
+  departureTime : Date
+}
+
+class Dummy1 {
+  {field} A field (despite parentheses)
+  {method} Some method
+}
+
+class Dummy2 {
+  -field1
+  #field2
+  ~method1()
+  +method2()
+}
+
+class Dummy3 {
+  {static} String id
+  {abstract} void methods()
+}
+
+class Foo1 {
+  You can use
+  several lines
+  ..
+  as you want
+  and group
+  ==
+  things together.
+  __
+  You can have as many groups
+  as you want
+  --
+  End of class
+}
+
+class User {
+  .. Simple Getter ..
+  + getName()
+  + getAddress()
+  .. Some setter ..
+  + setName()
+  __ private data __
+  int age
+  -- encrypted --
+  String password
+}
+
+class ArrayList {
+  Object[] elementData
+  size()
+}
+
+enum TimeUnit {
+  DAYS
+  HOURS
+  MINUTES
+}
+
+class Dummy4 <<Serializable>> {
+  String name
+}
+
+class Foo<? extends Element> {
+  int size()
+}
+
+package \"Classic Collections\" #DDDDDD {
+  Object <|-- ArrayList
+}
+
+package net.sourceforge.plantuml {
+  Object <|-- Demo1
+  Demo1 *- Demo2
+}
+
+package foo1 <<Node>> {
+  class Class1
+}
+
+package foo2 <<Rectangle>> {
+  class Class2
+}
+
+package foo3 <<Folder>> {
+  class Class3
+}
+
+package foo4 <<Frame>> {
+  class Class4
+}
+
+package foo5 <<Cloud>> {
+  class Class5
+}
+
+package foo6 <<Database>> {
+  class Class6
+}
+
+package foo1.foo2 {
+  class ObjectFoo1Foo2
+}
+
+package foo1.foo2.foo3 {
+  class Objectfoo1.foo2.foo3
+}
+
+namespace net.dummy #DDDDDD {
+  .BaseClass <|-- Person
+  Meeting o-- Person
+
+  .BaseClass <|- Meeting
+}
+
+namespace net.foo {
+  net.dummy.Person  <|- Person
+  .BaseClass <|-- Person
+
+  net.dummy.Meeting o-- Person
+}
+
+set namespaceSeparator ::
+class X1::X2::foo {
+  some info
+}
+
+together {
+  class Together1
+  class Together2
+  class Together3
+}
+"))
+
+(provide 'plantuml-indentation-class-test)
+
+;;; plantuml-indentation-class-test.el ends here