public PaintLineLocation[] ViewportLines(FormattedCode code, RectangleF viewport, float fontHeight)
{
List<PaintLineLocation> list = new List<PaintLineLocation>();
int visibles = CountVisibleLines(viewport.Height, fontHeight);
int topIndex = YCoordinateToLineIndex(viewport.Top, fontHeight);
int lineIndex = YCoordinateToLineIndex(viewport.Top, fontHeight);
int i;
for (i = 0; i < visibles; ++i, lineIndex++)
{
if (lineIndex < 0)
continue;
if (lineIndex >= code.LineCount)
break;
list.Add(
new PaintLineLocation(lineIndex, code.GetTextAt(lineIndex),
new PointF(-viewport.Left,
LineIndexToYCoordinate(lineIndex, fontHeight) -
viewport.Top)));
}
return (list.ToArray());
}
public void DrawToGraphics(FormattedCode code, CodeRenderingContext args, Rectangle viewport)
{
UiExceptionHelper.CheckNotNull(code, "code");
UiExceptionHelper.CheckNotNull(args, "args");
ClassifiedTokenCollection line;
PaintLineLocation[] lines;
ClassifiedToken token;
float fontHeight;
string text;
float tk_width;
int i;
float x;
fontHeight = LineIndexToYCoordinate(1, args.Graphics, args.Font);
lines = ViewportLines(code, viewport, fontHeight);
foreach (PaintLineLocation paintLine in lines)
{
// All lines that differ from CurrentLine are displayed
// in using different styles of Brush to make a distinction
// between code, keyword, comments.
if (paintLine.LineIndex != args.CurrentLine)
{
line = code[paintLine.LineIndex];
x = 0;
text = line.Text;
for (i = 0; i < line.Count; ++i)
{
token = line[i];
args.Graphics.DrawString(token.Text, args.Font, args.GetBrush(token.Tag),
paintLine.Location.X + x, paintLine.Location.Y);
tk_width = measureStringWidth(args.Graphics, args.Font, text,
token.IndexStart, token.Text.Length);
x += tk_width;
}
continue;
}
// The current line is emphasized by using a
// specific couples of Background & Foreground colors
args.Graphics.FillRectangle(
args.CurrentLineBackBrush,
0, paintLine.Location.Y,
viewport.Width, fontHeight);
args.Graphics.DrawString(
paintLine.Text, args.Font,
args.CurrentLineForeBrush,
paintLine.Location.X, paintLine.Location.Y);
}
return;
}
public void SetUp()
{
_renderer = new DefaultCodeRenderer();
ICodeFormatter formatter = new PlainTextCodeFormatter();
_empty = formatter.Format("");
_text3x7 = formatter.Format(
"111\r\n" +
"222\r\n" +
"333\r\n" +
"444\r\n" +
"555\r\n" +
"666\r\n" +
"777\r\n");
_loremIpsum = formatter.Format(
"Lorem ipsum dolor sit\r\n" +
"amet, consectetur adipiscing elit.\r\n" +
"Maecenas a nisi. In imperdiet, orci in\r\n" +
"porta facilisis,\r\n" +
"odio purus iaculis est, non varius urna turpis in mi.\r\n" + // longest line
"Nullam dictum. Ut iaculis dignissim nulla.\r\n" +
"Nullam condimentum porttitor leo.\r\n" +
"Integer a odio et\r\n" +
"velit suscipit pulvinar.");
Image img = new Bitmap(100, 100);
_args = new CodeRenderingContext();
_args.Graphics = Graphics.FromImage(img);
_args.Font = new Font("Courier New", 12);
return;
}
/// <summary>
/// Interprets and highlight the given string as C# code
/// and return the resulting FormattedCode instance.
/// </summary>
/// <param name="csharpCode">A string read as C# code.
/// This parameter must not be null.</param>
/// <returns>A FormattedCode instance containing data
/// to highlight the text with basic syntax coloring.</returns>
public FormattedCode Format(string csharpCode)
{
UiExceptionHelper.CheckNotNull(csharpCode, "csharpCode");
_info = FormattedCode.NewCodeInfo();
csharpCode = PreProcess(csharpCode);
Parse(csharpCode);
return(CSCode);
}
public CodeInfo CopyInfo()
{
FormattedCode copy;
copy = new FormattedCode(_codeInfo.Text,
_codeInfo.IndexArray.ToArray(),
_codeInfo.TagArray.ToArray(),
_codeInfo.LineArray.ToArray());
return(copy._codeInfo);
}
public CodeInfo CopyInfo()
{
FormattedCode copy;
copy = new FormattedCode(_codeInfo.Text,
_codeInfo.IndexArray.ToArray(),
_codeInfo.TagArray.ToArray(),
_codeInfo.LineArray.ToArray());
return (copy._codeInfo);
}
public void SetUp()
{
_mockFormatter = Substitute.For<IFormatterCatalog>();
_mockRenderer = Substitute.For<ICodeRenderer>();
_box = new TestingCodeBox(_mockFormatter, _mockRenderer);
_box.Width = 150;
_box.Height = 150;
_someText = Format("some C# code", "");
_someCode = Format("some C# code", "C#");
return;
}
TestingCodeBox SetupCodeBox(FormattedCode code, SizeF size)
{
TestingCodeBox box;
box = new TestingCodeBox(_mockFormatter, _mockRenderer);
_mockFormatter.Format(code.Text, "").Returns(code);
_mockRenderer.GetDocumentSize(code, box.RenderingContext.Graphics, box.RenderingContext.Font).Returns(size);
box.Text = code.Text;
Assert.That(box.Text, Is.EqualTo(code.Text));
return (box);
}
public void SetUp()
{
_mockFormatter = new DynamicMock(typeof(IFormatterCatalog));
_mockRenderer = new DynamicMock(typeof(ICodeRenderer));
_box = new TestingCodeBox((IFormatterCatalog)_mockFormatter.MockInstance,
(ICodeRenderer)_mockRenderer.MockInstance);
_box.Width = 150;
_box.Height = 150;
// _emptyText = Format("", "");
_someText = Format("some C# code", "");
_someCode = Format("some C# code", "C#");
return;
}
public void Format_HelloWorld()
{
FormattedCode res;
FormattedCode exp;
res = _formatter.Format("Hello world!");
exp = new FormattedCode(
"Hello world!",
new int[] { 0 },
new byte[] { 0 },
new int[] { 0 });
Assert.That(res, Is.EqualTo(exp));
return;
}
public void Test_Format()
{
FormattedCode exp;
FormattedCode res;
res = _parser.Format("line 1\n line 2\nline 3\n");
exp = new FormattedCode(
"line 1\n line 2\nline 3\n",
new int[] { 0, 7, 16 },
new byte[] { 0, 0, 0 },
new int[] { 0, 1, 2 }
);
Assert.That(res, Is.EqualTo(exp));
return;
}
public void Test_ComplexCollection()
{
_code = new TestingCSCode(
"int i; //comment\n" +
"char c='a';\n",
new int[] { 0, 4, 7, 17, 22, 24, 27 },
new byte[] { 1, 0, 2, 1, 0, 3, 0 },
new int[] { 0, 3 }
);
Assert.That(_code.Text, Is.EqualTo("int i; //comment\nchar c='a';\n"));
Assert.That(_code.LineCount, Is.EqualTo(2));
Assert.That(_code[0], Is.Not.Null);
Assert.That(_code[0].Text, Is.EqualTo("int i; //comment"));
Assert.That(_code[1], Is.Not.Null);
Assert.That(_code[1].Text, Is.EqualTo("char c='a';"));
// check internal data
Assert.That(_code[0].Count, Is.EqualTo(3));
Assert.That(_code[0][0].Text, Is.EqualTo("int "));
Assert.That(_code[0][0].Tag, Is.EqualTo(ClassificationTag.Keyword));
Assert.That(_code[0][1].Text, Is.EqualTo("i; "));
Assert.That(_code[0][1].Tag, Is.EqualTo(ClassificationTag.Code));
Assert.That(_code[0][2].Text, Is.EqualTo("//comment"));
Assert.That(_code[0][2].Tag, Is.EqualTo(ClassificationTag.Comment));
Assert.That(_code[1].Count, Is.EqualTo(4));
Assert.That(_code[1][0].Text, Is.EqualTo("char "));
Assert.That(_code[1][0].Tag, Is.EqualTo(ClassificationTag.Keyword));
Assert.That(_code[1][1].Text, Is.EqualTo("c="));
Assert.That(_code[1][1].Tag, Is.EqualTo(ClassificationTag.Code));
Assert.That(_code[1][2].Text, Is.EqualTo("'a'"));
Assert.That(_code[1][2].Tag, Is.EqualTo(ClassificationTag.String));
Assert.That(_code[1][3].Text, Is.EqualTo(";"));
Assert.That(_code[1][3].Tag, Is.EqualTo(ClassificationTag.Code));
return;
}
TestingCodeBox SetupCodeBox(FormattedCode code, SizeF size)
{
TestingCodeBox box;
box = new TestingCodeBox(
(IFormatterCatalog)_mockFormatter.MockInstance,
(ICodeRenderer)_mockRenderer.MockInstance);
_mockFormatter.ExpectAndReturn("Format", code, new object[] { code.Text, "" });
_mockRenderer.ExpectAndReturn("GetDocumentSize", size,
new object[] { code, box.RenderingContext.Graphics, box.RenderingContext.Font });
box.Text = code.Text;
Assert.That(box.Text, Is.EqualTo(code.Text));
_mockFormatter.Verify();
_mockRenderer.Verify();
return (box);
}
/// <summary>
/// An utility method that check data consistency. The operation
/// raises an exception if an error is found.
/// </summary>
public static void CheckData(FormattedCode data)
{
List <int> lines;
int line;
int bound;
int i;
UiExceptionHelper.CheckNotNull(data, "data");
UiExceptionHelper.CheckTrue(
data._codeInfo.IndexArray.Count == data._codeInfo.TagArray.Count,
"IndexArray.Count and TagArray.Count must match.",
"data");
bound = data._codeInfo.IndexArray.Count;
lines = data._codeInfo.LineArray;
for (i = 0; i < lines.Count; ++i)
{
line = lines[i];
UiExceptionHelper.CheckTrue(
line >= 0 && line < bound,
"Bad LineArray value at index " + i + ", value was: " + line + ", expected to be in: [0-" + bound + "[.",
"data");
if (i == 0)
{
continue;
}
UiExceptionHelper.CheckTrue(
lines[i] > lines[i - 1],
"Bad LineArray[" + i + "], value was: " + line + ", expected to be > than LineArray[" + (i - 1) + "]=" + lines[i - 1] + ".",
"data");
}
return;
}
public void Test_SimpleCollection()
{
_code = new TestingCSCode(
"line 1\n line 2\nline 3\n",
new int[] { 0, 7, 16 },
new byte[] { 0, 0, 0 },
new int[] { 0, 1, 2 }
);
Assert.That(_code.Text, Is.EqualTo("line 1\n line 2\nline 3\n"));
Assert.That(_code.LineCount, Is.EqualTo(3));
Assert.That(_code[0], Is.Not.Null);
Assert.That(_code[0].Text, Is.EqualTo("line 1"));
Assert.That(_code[1], Is.Not.Null);
Assert.That(_code[1].Text, Is.EqualTo(" line 2"));
Assert.That(_code[2], Is.Not.Null);
Assert.That(_code[2].Text, Is.EqualTo("line 3"));
// check internal data
Assert.That(_code[0].Count, Is.EqualTo(1));
Assert.That(_code[0][0].Text, Is.EqualTo("line 1"));
Assert.That(_code[0][0].Tag, Is.EqualTo(ClassificationTag.Code));
Assert.That(_code[1].Count, Is.EqualTo(1));
Assert.That(_code[1][0].Text, Is.EqualTo(" line 2"));
Assert.That(_code[1][0].Tag, Is.EqualTo(ClassificationTag.Code));
Assert.That(_code[2].Count, Is.EqualTo(1));
Assert.That(_code[2][0].Text, Is.EqualTo("line 3"));
Assert.That(_code[2][0].Tag, Is.EqualTo(ClassificationTag.Code));
return;
}
protected CodeBox(IFormatterCatalog formatter, ICodeRenderer renderer)
{
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
SetStyle(ControlStyles.UserPaint, true);
DoubleBuffered = true;
_formatter = formatter;
_formattedCode = FormattedCode.Empty;
_renderer = renderer;
_currentLine = -1;
_showCurrentLine = false;
_language = "";
this.Font = new Font("Courier New", 8);
this.BackColor = Color.White;
createGraphics();
AutoScroll = true;
return;
}
public void Test_Format_3()
{
FormattedCode exp;
FormattedCode res;
// Ensure that escaping sequences are
// handled correctly
// 0 2 14 17 21
res = _parser.Format("s=\"<font class=\\\"cls\\\">hi, there!</font>");
exp = new FormattedCode(
"s=\"<font class=\\\"cls\\\">hi, there!</font>",
new int[] { 0, 2 },
new byte[] { 0, 3 },
new int[] { 0 });
Assert.That(res, Is.EqualTo(exp));
_parser = new TestingCSharpCodeFormatter();
// 0 2
res = _parser.Format("s=\"<font class=\\\\\"cls\\\">hi, there!</font>");
exp = new FormattedCode(
"s=\"<font class=\\\\\"cls\\\">hi, there!</font>",
new int[] { 0, 2, 18, 22 },
new byte[] { 0, 3, 0, 3 },
new int[] { 0 });
Assert.That(res, Is.EqualTo(exp));
return;
}
public void Test_Equals()
{
_code = new TestingCSCode(
"line",
new int[] { 0 },
new byte[] { 0 },
new int[] { 0 }
);
// Tests to fail
Assert.That(_code.Equals(null), Is.False);
Assert.That(_code.Equals("hello"), Is.False);
Assert.That(_code.Equals(
new TestingCSCode("a", new int[] { 0 }, new byte[] { 0 }, new int[] { 0 })),
Is.False);
Assert.That(_code.Equals(
new TestingCSCode("line", new int[] { 1 }, new byte[] { 0 }, new int[] { 0 })),
Is.False);
Assert.That(_code.Equals(
new TestingCSCode("line", new int[] { 0 }, new byte[] { 1 }, new int[] { 0 })),
Is.False);
Assert.That(_code.Equals(
new TestingCSCode("line", new int[] { 0 }, new byte[] { 0 }, new int[] { 1 })),
Is.False);
Assert.That(_code.Equals(
new TestingCSCode("line", new int[] { 0, 0 }, new byte[] { 0 }, new int[] { 0 })),
Is.False);
Assert.That(_code.Equals(
new TestingCSCode("line", new int[] { 0 }, new byte[] { 0, 0 }, new int[] { 0 })),
Is.False);
Assert.That(_code.Equals(
new TestingCSCode("line", new int[] { 0 }, new byte[] { 0 }, new int[] { 0, 0 })),
Is.False);
// NUnit.UiException.Tests to pass
Assert.That(_code.Equals(
new TestingCSCode("line", new int[] { 0 }, new byte[] { 0 }, new int[] { 0 })),
Is.True);
return;
}
/// <summary>
/// Builds a new instance of CSharpCodeFormatter.
/// </summary>
public CSharpCodeFormatter()
{
_info = FormattedCode.NewCodeInfo();
return;
}
public InternalFormattedCode(FormattedCode.CodeInfo info)
{
_codeInfo = info;
}
public void Test_MaxLength()
{
_code = new TestingCSCode(
"", new int[] { }, new byte[] { }, new int[] { });
Assert.That(_code.MaxLength, Is.EqualTo(0));
_code = new TestingCSCode(
"a\r\nabc\r\nab",
new int[] { 0, 3, 8 },
new byte[] { 0, 0, 0 },
new int[] { 0, 1, 2 });
Assert.That(_code.MaxLength, Is.EqualTo(3));
_code = new TestingCSCode(
"a\r\nab\r\nabc",
new int[] { 0, 3, 7 },
new byte[] { 0, 0, 0 },
new int[] { 0, 1, 2 });
Assert.That(_code.MaxLength, Is.EqualTo(3));
return;
}
/// <summary>
/// An utility method that check data consistency. The operation
/// raises an exception if an error is found.
/// </summary>
public static void CheckData(FormattedCode data)
{
List<int> lines;
int line;
int bound;
int i;
UiExceptionHelper.CheckNotNull(data, "data");
UiExceptionHelper.CheckTrue(
data._codeInfo.IndexArray.Count == data._codeInfo.TagArray.Count,
"IndexArray.Count and TagArray.Count must match.",
"data");
bound = data._codeInfo.IndexArray.Count;
lines = data._codeInfo.LineArray;
for (i = 0; i < lines.Count; ++i)
{
line = lines[i];
UiExceptionHelper.CheckTrue(
line >= 0 && line < bound,
"Bad LineArray value at index " + i + ", value was: " + line + ", expected to be in: [0-" + bound + "[.",
"data");
if (i == 0)
continue;
UiExceptionHelper.CheckTrue(
lines[i] > lines[i - 1],
"Bad LineArray[" + i + "], value was: " + line + ", expected to be > than LineArray[" + (i - 1) + "]=" + lines[i - 1] + ".",
"data");
}
return;
}
public void DrawToGraphics(FormattedCode code, CodeRenderingContext args, Rectangle viewport)
{
CURRENTLINE_INDEX = args.CurrentLine;
}
public SizeF GetDocumentSize(FormattedCode code, Graphics g, Font font)
{
return (new SizeF(200, 400));
}
public void Format_Lines()
{
FormattedCode res;
FormattedCode exp;
res = _formatter.Format(
"line 1\r\n" +
"line 2\r\n" +
"line 3\r\n");
exp = new FormattedCode(
res.Text,
new int[] { 0, 8, 16 },
new byte[] { 0, 0, 0 },
new int[] { 0, 1, 2 });
Assert.That(res, Is.EqualTo(exp));
return;
}
public void Test_Format_2()
{
FormattedCode exp;
FormattedCode res;
res = _parser.Format(
"int i; //comment\n" +
"char c='a';\n");
exp = new FormattedCode(
"int i; //comment\n" +
"char c='a';\n",
new int[] { 0, 3, 7, 16, 17, 21, 24, 27 },
new byte[] { 1, 0, 2, 0, 1, 0, 3, 0 },
new int[] { 0, 4 }
);
Assert.That(res, Is.EqualTo(exp));
return;
}
public SizeF GetDocumentSize(FormattedCode code, Graphics g, Font font)
{
UiExceptionHelper.CheckNotNull(code, "code");
UiExceptionHelper.CheckNotNull(g, "g");
UiExceptionHelper.CheckNotNull(font, "font");
StringBuilder sample;
SizeF measure;
int i;
sample = new StringBuilder();
for (i = code.MaxLength; i > 0; --i)
sample.Append("m");
measure = g.MeasureString(sample.ToString(), font);
return (new SizeF(measure.Width, measure.Height * code.LineCount));
}
/// <summary>
/// Appends data in token at the end of output.
/// </summary>
/// <param name="token">Token to be merged with output.</param>
/// <param name="output">Target location.</param>
private void _flushToken(ClassifiedToken token, FormattedCode.CodeInfo output)
{
if (token == null)
return;
output.IndexArray.Add(token.IndexStart);
output.TagArray.Add((byte)token.Tag);
return;
}
