Add escaping of single quotes and basic support for .net style escaping

DEVSIX-6308

Author: glenn.volckaert

itext.tests/itext.commons.tests/itext/commons/utils/MessageFormatUtilTest.cs

@@ -50,15 +50,13 @@ public static IEnumerable<Object[]> DataSource() {
                 , "Message with 'single quotes'", new Object[0], "test with single quotes" }, new Object[] { "Message with ''doubled single quotes''"
                 , "Message with ''doubled single quotes''", new Object[0], "test with doubled single quotes" }, new Object
                 [] { "Message with {curly braces} and a parameter {I'm between curly braces too}", "Message with {{curly braces}} and a parameter {{{0}}}"
-                , new Object[] { "I'm between curly braces too" }, "Test with curly braces" }, new Object[] { "Message with {{multiple curly braces}}"
-                , "Message with {{{{multiple curly braces}}}}", new Object[] {  }, "Test with multiple curly braces" }
-                , new Object[] { "Message with {Value between brackets} and {{Value between double brackets}}", "Message with {{{0}}} and {{{{{1}}}}}"
-                , new Object[] { "Value between brackets", "Value between double brackets" }, "Test with multiple curly braces"
-                 }, new Object[] { "Lets go wild 'value 1', {value 2}, '{value 3}', {'{value 4}'}", "Lets go wild '{0}', {{{1}}}, '{{{2}}}', {{'{{{3}}}'}}"
-                , new Object[] { "value 1", "value 2", "value 3", "value 4" }, "Some of all" }, new Object[] { "{'{value}'}"
-                , "{{'{{{0}}}'}}", new Object[] { "value" }, "Mix om multiple brackets and quotes 1" }, new Object[] { 
-                "'{value}'", "'{{{0}}}'", new Object[] { "value" }, "Mix om multiple brackets and quotes 1" }, new Object
-                [] { "a '{'{123}'}''' b", "a '{{'{{{0}}}'}}''' b", new Object[] { 123 }, "Mix om multiple brackets and quotes 1"
+                , new Object[] { "I'm between curly braces too" }, "Test with curly braces" }, new Object[] { "'{value}'"
+                , "'{{{0}}}'", new Object[] { "value" }, "Mix om multiple brackets and quotes 1" }, new Object[] { "'value'"
+                , "'{0}'", new Object[] { "value" }, "Mix of brackets and quotes" }, new Object[] { "{'0'}", "{{'0'}}"
+                , new Object[0], "Mix of multiple brackets and quotes 2" }, new Object[] { "single opening brace {0 test"
+                , "single opening brace {{0 test", new Object[0], "Test single opening brace" }, new Object[] { "single closing  brace 0} test"
+                , "single closing  brace 0}} test", new Object[0], "Test single closing brace" }, new Object[] { "single opening + closing  brace {  test  }"
+                , "single opening + closing  brace {{  {0}  }}", new Object[] { "test" }, "Test single opening and closing brace"
                  } });
         }
 

port-hash

@@ -1 +1 @@
-d5b0e93367202765b88b1f1c532e5f3759b8576c
+d4c6741cddf40a998f2875648203089d3511d212