Bump version to 0.8.3

src/Markdig.Tests/Specs/GridTableSpecs.md

@@ -272,4 +272,15 @@ A grid table may not have irregularly shaped cells:
 +---+---+---+
 | DDDDD | E |
 +---+---+---+</p>
-````````````````````````````````
+````````````````````````````````
+
+An empty `+` on a line should result in a simple empty list output:
+
+
+```````````````````````````````` example
++
+.
+<ul>
+<li></li>
+</ul>
+````````````````````````````````

src/Markdig.Tests/Specs/Specs.cs

@@ -17994,6 +17994,28 @@ namespace Markdig.Tests
             Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 10, "Extensions Grid Table");
 			TestParser.TestSpec("+---+---+---+\n| AAAAA | B |\n+ A +---+ B +\n| A | C | B |\n+---+---+---+\n| DDDDD | E |\n+---+---+---+", "<p>+---+---+---+\n| AAAAA | B |\n+ A +---+ B +\n| A | C | B |\n+---+---+---+\n| DDDDD | E |\n+---+---+---+</p>", "gridtables|advanced");
         }
+    }
+        // An empty `+` on a line should result in a simple empty list output:
+    [TestFixture]
+    public partial class TestExtensionsGridTable
+    {
+        [Test]
+        public void Example011()
+        {
+            // Example 11
+            // Section: Extensions Grid Table
+            //
+            // The following CommonMark:
+            //     +
+            //
+            // Should be rendered as:
+            //     <ul>
+            //     <li></li>
+            //     </ul>
+
+            Console.WriteLine("Example {0}" + Environment.NewLine + "Section: {0}" + Environment.NewLine, 11, "Extensions Grid Table");
+			TestParser.TestSpec("+", "<ul>\n<li></li>\n</ul>", "gridtables|advanced");
+        }
     }
         // # Extensions
         //

src/Markdig.Tests/TestParser.cs

@@ -15,25 +15,30 @@ namespace Markdig.Tests
             foreach (var pipeline in GetPipeline(extensions))
             {
                 Console.WriteLine($"Pipeline configured with extensions: {pipeline.Key}");
-                // Uncomment this line to get more debug information for process inlines.
-                //pipeline.DebugLog = Console.Out;
-                var result = Markdown.ToHtml(inputText, pipeline.Value);
-
-                result = Compact(result);
-                expectedOutputText = Compact(expectedOutputText);
-
-                Console.WriteLine("```````````````````Source");
-                Console.WriteLine(DisplaySpaceAndTabs(inputText));
-                Console.WriteLine("```````````````````Result");
-                Console.WriteLine(DisplaySpaceAndTabs(result));
-                Console.WriteLine("```````````````````Expected");
-                Console.WriteLine(DisplaySpaceAndTabs(expectedOutputText));
-                Console.WriteLine("```````````````````");
-                Console.WriteLine();
-                TextAssert.AreEqual(expectedOutputText, result);
+                TestSpec(inputText, expectedOutputText, pipeline.Value);
             }
         }
 
+        public static void TestSpec(string inputText, string expectedOutputText, MarkdownPipeline pipeline)
+        {
+            // Uncomment this line to get more debug information for process inlines.
+            //pipeline.DebugLog = Console.Out;
+            var result = Markdown.ToHtml(inputText, pipeline);
+
+            result = Compact(result);
+            expectedOutputText = Compact(expectedOutputText);
+
+            Console.WriteLine("```````````````````Source");
+            Console.WriteLine(DisplaySpaceAndTabs(inputText));
+            Console.WriteLine("```````````````````Result");
+            Console.WriteLine(DisplaySpaceAndTabs(result));
+            Console.WriteLine("```````````````````Expected");
+            Console.WriteLine(DisplaySpaceAndTabs(expectedOutputText));
+            Console.WriteLine("```````````````````");
+            Console.WriteLine();
+            TextAssert.AreEqual(expectedOutputText, result);
+        }
+
         private static IEnumerable<KeyValuePair<string, MarkdownPipeline>> GetPipeline(string extensionsGroupText)
         {
             // For the standard case, we make sure that both the CommmonMark core and Extra/Advanced are CommonMark compliant!

src/Markdig/Extensions/Tables/GridTableParser.cs

@@ -27,32 +27,36 @@ namespace Markdig.Extensions.Tables
             var line = processor.Line;
             GridTableState tableState = null;
 
+            // Match the first row that should be of the minimal form: +---------------
             var c = line.CurrentChar;
             var lineStart = line.Start;
-            int startPosition = -1;
-            bool hasLeft = false,
-                 hasRight = false;
-
-            while (line.Length > 0)
+            while (c == '+')
             {
-                if (c == '+')
+                var columnStart = line.Start;
+                line.NextChar();
+                line.TrimStart();
+
+                // if we have reached the end of the line, exit
+                c = line.CurrentChar;
+                if (c == 0)
                 {
-                    tableState = tableState ?? new GridTableState { Start = processor.Start, ExpectRow = true };
-                    if (startPosition != -1)
-                    {
-                        hasRight = line.PeekCharAbsolute(line.Start - 1) == ':';
-                        tableState.AddColumn(startPosition - lineStart, line.Start - lineStart, GetAlignment(hasLeft, hasRight));
-                    }
-                    hasLeft = line.PeekChar(1) == ':';
-                    startPosition = line.Start;
+                    break;
                 }
-                else if (c != ':' && c != '-')
+
+                // Parse a column alignment
+                TableColumnAlign columnAlign;
+                if (!TableHelper.ParseColumnHeader(ref line, '-', out columnAlign))
                 {
                     return BlockState.None;
                 }
-                c = line.NextChar();
+
+                tableState = tableState ?? new GridTableState { Start = processor.Start, ExpectRow = true };
+                tableState.AddColumn(columnStart - lineStart, line.Start - lineStart, columnAlign);
+
+                c = line.CurrentChar;
             }
-            if (tableState == null || tableState.ColumnSlices.Count == (processor.Line.Length - 1))
+
+            if (c != 0 || tableState == null)
             {
                 return BlockState.None;
             }

src/Markdig/Extensions/Tables/TableHelper.cs

@@ -53,7 +53,6 @@ namespace Markdig.Extensions.Tables
         {
             align = TableColumnAlign.Left;
 
-            // Work on a copy of the slice
             slice.TrimStart();
             var c = slice.CurrentChar;
             bool hasLeft = false;
@@ -87,6 +86,7 @@ namespace Markdig.Extensions.Tables
                 count++;
             }
 
+            // We expect at least one `-` delimiter char
             if (count == 0)
             {
                 return false;

src/Markdig/Properties/AssemblyInfo.cs

@@ -25,6 +25,6 @@ namespace Markdig
 {
     public static partial class Markdown
     {
-        public const string Version = "0.8.2";
+        public const string Version = "0.8.3";
     }
 }

src/Markdig/project.json

@@ -1,6 +1,6 @@
 {
   "title": "Markdig",
-  "version": "0.8.2",
+  "version": "0.8.3",
   "authors": [ "Alexandre Mutel" ],
   "description": "A fast, powerfull, CommonMark compliant, extensible Markdown processor for .NET with 20+ builtin extensions (pipetables, footnotes, definition lists... etc.)",
   "copyright": "Alexandre Mutel",
@@ -11,7 +11,7 @@
     "projectUrl": "https://github.com/lunet-io/markdig",
     "iconUrl": "https://raw.githubusercontent.com/lunet-io/markdig/master/img/markdig.png",
     "requireLicenseAcceptance": false,
-    "releaseNotes": "> 0.8.2\n- fix potential cast exception with Abreviation extension and empty literals\n> 0.8.1\n- new extension to disable URI escaping for non-US-ASCII characters to workaround a bug in Edge/IE\n- Fix an issue with abbreviations with left/right multiple non-punctuation/space characters\n> 0.8.0\n- Update to latest CommonMark specs\n- Fix empty literal\n- Add YAML frontmatter extension\n",
+    "releaseNotes": "> 0.8.3\n- fix NullReferenceException with Gridtables extension when a single `+` is entered on a line\n> 0.8.2\n- fix potential cast exception with Abreviation extension and empty literals\n> 0.8.1\n- new extension to disable URI escaping for non-US-ASCII characters to workaround a bug in Edge/IE\n- Fix an issue with abbreviations with left/right multiple non-punctuation/space characters\n> 0.8.0\n- Update to latest CommonMark specs\n- Fix empty literal\n- Add YAML frontmatter extension\n",
     "tags": [ "Markdown CommonMark md html md2html" ]
   },
   "configurations": {