/// <summary>
/// Creates a new FilePosition instance for the specified file by
/// copying the specified BufferPosition
/// </summary>
/// <param name="scriptFile">The ScriptFile in which the position is located.</param>
/// <param name="copiedPosition">The original BufferPosition from which the line and column will be copied.</param>
public FilePosition(
ScriptFile scriptFile,
BufferPosition copiedPosition)
: this(scriptFile, copiedPosition.Line, copiedPosition.Column)
{
scriptFile.ValidatePosition(copiedPosition);
}
/// <summary>
/// Creates a new FilePosition instance for the specified file by
/// copying the specified BufferPosition
/// </summary>
/// <param name="document">The document in which the position is located.</param>
/// <param name="copiedPosition">The original BufferPosition from which the line and column will be copied.</param>
public DocumentPosition(
TextDocument document,
BufferPosition copiedPosition)
: this(document, copiedPosition.Line, copiedPosition.Column)
{
document.ValidatePosition(copiedPosition);
}
/// <summary>
/// Sets a selection in the host editor's active buffer.
/// </summary>
/// <param name="startPosition">The starting position of the selection.</param>
/// <param name="endPosition">The ending position of the selection.</param>
public void SetSelection(
BufferPosition startPosition,
BufferPosition endPosition)
{
this.SetSelection(
new BufferRange(
startPosition,
endPosition));
}
/// <summary>
/// Creates a new instance of the EditorContext class.
/// </summary>
/// <param name="editorOperations">An IEditorOperations implementation which performs operations in the editor.</param>
/// <param name="currentFile">The ScriptFile that is in the active editor buffer.</param>
/// <param name="cursorPosition">The position of the user's cursor in the active editor buffer.</param>
/// <param name="selectedRange">The range of the user's selection in the active editor buffer.</param>
public EditorContext(
IEditorOperations editorOperations,
ScriptFile currentFile,
BufferPosition cursorPosition,
BufferRange selectedRange)
{
this.editorOperations = editorOperations;
this.CurrentFile = new FileContext(currentFile, this, editorOperations);
this.SelectedRange = selectedRange;
this.CursorPosition = new FilePosition(currentFile, cursorPosition);
}
/// <summary>
/// Creates a new instance of the EditorContext class.
/// </summary>
/// <param name="editorOperations">An IEditorOperations implementation which performs operations in the editor.</param>
/// <param name="currentFile">The ScriptFile that is in the active editor buffer.</param>
/// <param name="cursorPosition">The position of the user's cursor in the active editor buffer.</param>
/// <param name="selectedRange">The range of the user's selection in the active editor buffer.</param>
/// <param name="language">Determines the language of the file.false If it is not specified, then it defaults to "Unknown"</param>
internal EditorContext(
IEditorOperations editorOperations,
ScriptFile currentFile,
BufferPosition cursorPosition,
BufferRange selectedRange,
string language = "Unknown")
{
this.editorOperations = editorOperations;
this.CurrentFile = new FileContext(currentFile, this, editorOperations, language);
this.SelectedRange = new BufferFileRange(selectedRange);
this.CursorPosition = new BufferFilePosition(cursorPosition);
}
public void GetOffsetAtPositionTest()
{
ScriptFile scriptFile = GetTestScriptFile();
int offset = scriptFile.GetOffsetAtPosition(2, 5);
int expected = 35 + Environment.NewLine.Length;
Assert.True(offset == expected, "Offset is at expected location");
BufferPosition position = scriptFile.GetPositionAtOffset(offset);
Assert.True(position.Line == 2 && position.Column == 5, "Position is at expected location");
}
public byte Peek(BufferPosition position, int offset)
{
var index = position.Index + offset;
if (index < _startIndex)
{
throw StartOfStreamExeption();
}
if (index >= _index)
{
throw EndOfWrittenExeption();
}
return(_buffer[index]);
}
/// <summary>Attempts to get a <typeparamref name="T"/> value at the given BufferPosition, and advance the buffer by one position.</summary>
/// <param name="position">[in,out] The position.</param>
/// <param name="value">[out] The value.</param>
/// <returns>True if it succeeds, false if it fails.</returns>
public static bool TryGetValue(ref BufferPosition position, out T value)
{
if (position.Index < position.Buffer.head)
{
value = position.Buffer.data[position.Index];
position = new BufferPosition(position.Buffer, position.Index + 1);
return(true);
}
if (position.Buffer.next?.head > 0)
{
value = position.Buffer.next.data[0];
position = new BufferPosition(position.Buffer.next, 1);
return(true);
}
value = default(T);
return(false);
}
public Task ValidateTextDocument(TextDocument document, EventContext context)
{
int problems = 0;
List <Diagnostic> diagnostics = new List <Diagnostic>();
foreach (Match m in Pattern.Matches(document.Contents))
{
problems++;
BufferPosition start = document.GetPositionAtOffset(m.Index);
BufferPosition end = document.GetPositionAtOffset(m.Index + m.Value.Length);
diagnostics.Add(new Diagnostic
{
Severity = DiagnosticSeverity.Warning,
Code = "ex",
Message = string.Format("'{0}' is all uppercase.", m.Value),
Range = new Range
{
Start = new Position {
Line = start.Line - document.BaseOffset, Character = start.Column - document.BaseOffset
},
End = new Position {
Line = end.Line - document.BaseOffset, Character = end.Column - document.BaseOffset
},
}
});
// TODO: check client capability for related information
// TODO: check problem count against settings
}
context.SendEvent(
PublishDiagnosticsNotification.Type,
new PublishDiagnosticsNotification
{
Uri = document.ClientFilePath,
Diagnostics = diagnostics.ToArray()
}
);
return(Task.FromResult(true));
}
public void WriteCopy(BufferPosition position, int count)
{
if (count <= 0)
{
return;
}
var i = _index;
if (position.Index + count > _index)
{
throw EndOfWrittenExeption();
}
if (i + count > _length)
{
throw OutOfBufferException();
}
Array.Copy(_buffer, position.Index, _buffer, i, count);
_index = i + count;
}
public void CorrectlyReportsPosition()
{
// Arrange.
TextBuffer buffer = new TextBuffer(string.Format("Abc{0}Defg{0}C", "\r\n"));
// Act.
buffer.NextChar();
buffer.NextChar();
buffer.NextChar();
buffer.NextChar();
buffer.NextChar();
buffer.NextChar();
BufferPosition position = buffer.Position;
// Assert.
Assert.AreEqual(2, position.Column);
Assert.AreEqual(1, position.Line);
Assert.AreEqual(7, position.Offset);
}
public PreprocessorIntToken(int value, BufferPosition position)
: base(PreprocessorTokenType.Int, position)
{
Value = value;
}
public Token(TokenType type, string sourcePath, BufferPosition position)
{
Type = type;
SourcePath = sourcePath;
Position = position;
}
public byte Peek(BufferPosition position)
{
return(_buffer[position.Index]);
}
public BufferFilePosition(BufferPosition position)
{
_position = position;
}
internal UIntToken(uint value, string sourcePath, BufferPosition position)
: base(LiteralTokenType.UInt, sourcePath, position)
{
_value = value;
}
internal Token(TokenType type, string sourcePath, BufferPosition position)
{
Type = type;
SourcePath = sourcePath;
this.position = position;
}
public FloatToken(float value, string sourcePath, BufferPosition position)
: base(LiteralTokenType.Float, sourcePath, position)
{
Value = value;
}
public IntToken(int value, string sourcePath, BufferPosition position)
: base(LiteralTokenType.Int, sourcePath, position)
{
Value = value;
}
/// <summary>
/// Inserts a text string at the specified buffer position.
/// </summary>
/// <param name="textToInsert">The text string to insert.</param>
/// <param name="insertPosition">The position at which the text will be inserted.</param>
public void InsertText(string textToInsert, BufferPosition insertPosition)
{
this.InsertText(
textToInsert,
new BufferRange(insertPosition, insertPosition));
}
public AsciiBuffer(int left, int top, int width, int height)
{
Data = new AsciiPixel[width, height];
BufferPosition = new BufferPosition(top, left, width, height);
}
internal LiteralToken(LiteralTokenType literalType, string sourcePath, BufferPosition position)
: base(TokenType.Literal, sourcePath, position)
{
_literalType = literalType;
}
internal ULongToken(ulong value, string sourcePath, BufferPosition position)
: base(LiteralTokenType.ULong, sourcePath, position)
{
_value = value;
}
/// <summary> /// GetHashCode() /// </summary> /// <returns></returns> public override int GetHashCode() => (int)Column ^ BufferPosition.GetHashCode() ^ CellPosition.GetHashCode();
public bool Equals(BufferPosition other)
{
return(this.Buffer.Equals(other.Buffer) && this.Index == other.Index);
}
/// <summary> /// ToString() /// </summary> /// <returns></returns> public override string ToString() => "[" + Column.ToString() + "," + BufferPosition.ToString() + "," + CellPosition.ToString() + "]";
internal DoubleToken(double value, string sourcePath, BufferPosition position)
: base(LiteralTokenType.Double, sourcePath, position)
{
Value = value;
}
internal CharToken(char value, string sourcePath, BufferPosition position)
: base(LiteralTokenType.Char, sourcePath, position)
{
_value = value;
}
public PreprocessorIdentifierToken(Name value, BufferPosition position)
: base(PreprocessorTokenType.Identifier, position)
{
Value = value;
}
internal StringToken(string value, string sourcePath, BufferPosition position)
: base(LiteralTokenType.String, sourcePath, position)
{
Value = value;
}