Change all strings to Strings

* Better consistency
* string is just an alias for String
* As Strings are objects it makes sense to refer to them with according
  notation

src/SparseTransform.CLI/Program.cs

@@ -5,7 +5,7 @@ using CLIOptions;
 public class Program
 
 {
-    public static void Main(string[] args)
+    public static void Main(String[] args)
     {
         Parser.Default.ParseArguments<ConvertOptions, PartitionOptions>(args)
             .WithParsed<ConvertOptions>(o =>

src/SparseTransform.Tests/Library/ConversionManagerTests.cs

@@ -10,7 +10,7 @@
 //         [Test]
 //         public void Convert2DotTest()
 //         {
-//             string fileName = @"..\Resources\fileName.txt";
+//             String fileName = @"..\Resources\fileName.txt";
 //             String MMMatrix = File.ReadAllText(fileName);
 //             String result = ConversionManager.Convert2Dot(MMMatrix);
 //             String expectedResult = " ";
@@ -20,7 +20,7 @@
 //         [Test]
 //         public void Partition2ColoredDotTest()
 //         {
-//             string fileName = @"..\Resources\fileName.txt";
+//             String fileName = @"..\Resources\fileName.txt";
 //             String MMMatrix = File.ReadAllText(fileName);
 //             String result = ConversionManager.Partition2ColoredDot(MMMatrix);
 //             String expectedResult = " ";
@@ -30,7 +30,7 @@
 //         [Test]
 //         public void Partition2SeedMatrixTest()
 //         {
-//             string fileName = @"..\Resources\fileName.txt";
+//             String fileName = @"..\Resources\fileName.txt";
 //             String MMMatrix = File.ReadAllText(fileName);
 //             String result = ConversionManager.Partition2SeedMatrix(MMMatrix);
 //             String expectedResult = " ";
@@ -40,7 +40,7 @@
 //         [Test]
 //         public void Partition2CompressedMatrixTest()
 //         {
-//             string fileName = @"..\Resources\fileName.txt";
+//             String fileName = @"..\Resources\fileName.txt";
 //             String MMMatrix = File.ReadAllText(fileName);
 //             String result = ConversionManager.Partition2CompressedMatrix(MMMatrix);
 //             String expectedResult = " ";

src/SparseTransform.Tests/Library/Convert/DotWriterTests.cs

@@ -34,8 +34,8 @@ namespace SparseTransform.Tests.Library.Convert
             graph.AddEdge(5, 4);
             graph.AddEdge(5, 5);
 
-            string[] lines = writer.Write(graph).Split(
-            new string[] { "\r\n", "\r", "\n" },
+            String[] lines = writer.Write(graph).Split(
+            new String[] { "\r\n", "\r", "\n" },
             StringSplitOptions.None
             );
 
@@ -61,8 +61,8 @@ namespace SparseTransform.Tests.Library.Convert
             graph.AddEdge(4, 1);
             graph.AddEdge(5, 4);
 
-            string[] lines = writer.Write(graph).Split(
-            new string[] { "\r\n", "\r", "\n" },
+            String[] lines = writer.Write(graph).Split(
+            new String[] { "\r\n", "\r", "\n" },
             StringSplitOptions.None
             );
 

src/SparseTransform.Tests/Library/Convert/MatrixMarketWriterTest.cs

@@ -53,8 +53,8 @@ namespace SparseTransform.Tests.Library.Convert
             DoubleMatrix inputMatrix = reader.ReadMatrix(bipartiteGraph);
             MatrixMarketWriter writer = new MatrixMarketWriter(false, inputMatrix);
 
-            string[] lines = writer.Write(graph).Split(
-            new string[] { "\r\n", "\r", "\n" },
+            String[] lines = writer.Write(graph).Split(
+            new String[] { "\r\n", "\r", "\n" },
             StringSplitOptions.None
             );
 
@@ -75,8 +75,8 @@ namespace SparseTransform.Tests.Library.Convert
             DoubleMatrix inputMatrix = reader.ReadMatrix(adjacencyGraph);
             MatrixMarketWriter writer = new MatrixMarketWriter(false, inputMatrix);
 
-            string[] lines = writer.Write(graph).Split(
-            new string[] { "\r\n", "\r", "\n" },
+            String[] lines = writer.Write(graph).Split(
+            new String[] { "\r\n", "\r", "\n" },
             StringSplitOptions.None
             );
 

src/SparseTransform/Convert/DotWriter.cs

@@ -13,7 +13,7 @@ namespace SparseTransform.Convert
         /// </summary>
         /// <param name="graph">IGraph implementation to transform</param>
         /// <returns>DOT string</returns>
-        public string Write(IGraph graph)
+        public String Write(IGraph graph)
         {
             StringBuilder output = new StringBuilder();
 

src/SparseTransform/Convert/ErrorListener.cs

@@ -15,7 +15,7 @@ namespace Transform.Convert
         /// <param name="msg">thrown error message</param>
         /// <param name="e"></param>
         /// <exception cref="Exception"></exception>
-        public void SyntaxError([NotNull] IRecognizer recognizer, [Nullable] IToken offendingSymbol, int line, int charPositionInLine, [NotNull] string msg, [Nullable] RecognitionException e)
+        public void SyntaxError([NotNull] IRecognizer recognizer, [Nullable] IToken offendingSymbol, int line, int charPositionInLine, [NotNull] String msg, [Nullable] RecognitionException e)
         {
             throw new Exception("Error in MatrixMarket header line: " + msg);
         }

src/SparseTransform/Convert/MatrixMarketReader.cs

@@ -9,10 +9,10 @@ namespace SparseTransform.Convert
     /// </summary>
     public class MatrixMarketReader : IReader
     {
-        public IGraph ReadGraph(string matrix)
+        public IGraph ReadGraph(String matrix)
         {
-            string[] lines = matrix.Split(
-            new string[] { "\r\n", "\r", "\n" },
+            String[] lines = matrix.Split(
+            new String[] { "\r\n", "\r", "\n" },
             StringSplitOptions.None
             );
 
@@ -36,10 +36,10 @@ namespace SparseTransform.Convert
             }
         }
 
-        public DoubleMatrix ReadMatrix(string matrix)
+        public DoubleMatrix ReadMatrix(String matrix)
         {
-            string[] lines = matrix.Split(
-            new string[] { "\r\n", "\r", "\n" },
+            String[] lines = matrix.Split(
+            new String[] { "\r\n", "\r", "\n" },
             StringSplitOptions.None
             );
 
@@ -60,7 +60,7 @@ namespace SparseTransform.Convert
         /// </summary>
         /// <param name="header">header of the MMF-input</param>
         /// <returns>true if matrix is not symmetric</returns>
-        private bool checkHeader(string header)
+        private bool checkHeader(String header)
         {
             AntlrInputStream stream = new AntlrInputStream(header);
             MMFHeaderLexer lexer = new MMFHeaderLexer(stream);
@@ -77,10 +77,10 @@ namespace SparseTransform.Convert
        /// </summary>
        /// <param name="lines">entire input split by newlines</param>
        /// <exception cref="FormatException"></exception>
-        private void checkComments(string[] lines)
+        private void checkComments(String[] lines)
         {
             bool leftComments = false;
-            foreach (string line in lines)
+            foreach (String line in lines)
             {
                 if (line != "")
                 {
@@ -110,9 +110,9 @@ namespace SparseTransform.Convert
         /// <param name="graph"></param>
         /// <returns></returns>
         /// <exception cref="Exception"></exception>
-        public void ReadContent(string[] matrix, Action<int, int, double> processor)
+        public void ReadContent(String[] matrix, Action<int, int, double> processor)
         {
-            string[] values;
+            String[] values;
             int lineCount = getFirstDataLine(matrix);
             matrix[lineCount] = "% " + matrix[lineCount];
             foreach (String line in matrix)
@@ -143,7 +143,7 @@ namespace SparseTransform.Convert
         private int getFirstDataLine(String[] lines)
         {
             int firstDataLine = 0;
-            foreach (string line in lines)
+            foreach (String line in lines)
             {
                 if (line != "")
                 {

src/SparseTransform/Convert/MatrixMarketWriter.cs

@@ -36,7 +36,7 @@ namespace SparseTransform.Convert
         /// </summary>
         /// <param name="graph">IGraph implementation to transform</param>
         /// <returns>MatrixMarket string</returns>
-        public string Write(IGraph graph)
+        public String Write(IGraph graph)
         {
             IntegerMatrix? seedMatrix = graph.ToSeedMatrix(_inputMatrix.RowCount);
             if (_seed)