/// <summary>
/// Thread function used to run the FoxPro engine in a different thread.
/// This thread will run until the IConsole implementation of this window will return
/// null from the ReadLine method.
/// </summary>
private void InitializeEngine()
{
// Get the engine provider service to set this console window as the console
// object associated with the shared engine.
IFoxProEngineProvider engineProvider = (IFoxProEngineProvider)globalProvider.GetService(typeof(IFoxProEngineProvider));
if (null != engineProvider)
{
IEngine engine = engineProvider.GetSharedEngine();
engine.StdErr = textStream;
engine.StdOut = textStream;
string version = string.Format(System.Globalization.CultureInfo.CurrentCulture,
Resources.EngineVersionFormat,
engine.Version.Major,
engine.Version.Minor,
engine.Version.Build);
// Remove the read-only flag from the text buffer.
uint flags;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
textLines.GetStateFlags(out flags));
flags &= ~(uint)Microsoft.VisualStudio.TextManager.Interop.BUFFERSTATEFLAGS.BSF_USER_READONLY;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
textLines.SetStateFlags(flags));
// Write engine version end copyright on the console.
using (StreamWriter writer = new StreamWriter(textStream as Stream))
{
writer.WriteLine(version);
writer.WriteLine(engine.Copyright);
}
// Create the buffer that will handle the commands to the engine.
inputBuffer = new CommandBuffer(engine);
}
}
private bool IsDirty(IVsTextView pView)
{
IVsTextLines lines = null;
pView.GetBuffer(out lines);
if (lines != null)
{
uint flags;
lines.GetStateFlags(out flags);
bool isDirty = (flags & (uint)BUFFERSTATEFLAGS.BSF_MODIFIED) != 0;
return(isDirty);
}
return(false);
}
/// <summary>
/// Creates a new ConsoleWindow object.
/// This constructor uses the service provider passed as an argument to create and initialize
/// the text buffer.
/// </summary>
public ConsoleWindow(IServiceProvider provider) :
base(null)
{
if (null == provider)
{
throw new ArgumentNullException("provider");
}
globalProvider = provider;
// Create the text buffer.
textLines = (IVsTextLines)CreateObject(typeof(VsTextBufferClass), typeof(IVsTextLines));
// Get a reference to the global service provider.
IOleServiceProvider nativeProvider = (IOleServiceProvider)globalProvider.GetService(typeof(IOleServiceProvider));
// The text buffer must be sited with the global service provider.
((IObjectWithSite)textLines).SetSite(nativeProvider);
// Set the buffer as read-only. The user should be able to change the content of the
// buffer only if the engine is started.
uint flags;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
textLines.GetStateFlags(out flags));
flags |= (uint)Microsoft.VisualStudio.TextManager.Interop.BUFFERSTATEFLAGS.BSF_USER_READONLY;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
textLines.SetStateFlags(flags));
// Set the GUID of the language service that will handle this text buffer
Guid languageGuid = typeof(FoxProLanguage).GUID;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
textLines.SetLanguageServiceID(ref languageGuid));
// Initialize the history
history = new HistoryBuffer();
// Create the stream on top of the text buffer.
textStream = new TextBufferStream(textLines);
// Initialize the engine.
InitializeEngine();
// Set the title of the window.
this.Caption = Resources.ToolWindowTitle;
// Set the icon of the toolwindow.
this.BitmapResourceID = 301;
this.BitmapIndex = 0;
}
public int GetStateFlags(out uint pdwReadOnlyFlags)
{
return(_textBuffer.GetStateFlags(out pdwReadOnlyFlags));
}
/// <summary>
/// Creates a new ConsoleWindow object.
/// This constructor uses the service provider passed as an argument to create and initialize
/// the text buffer.
/// </summary>
public ConsoleWindow(IServiceProvider provider)
: base(null)
{
if (null == provider)
throw new ArgumentNullException("provider");
globalProvider = provider;
// Create the text buffer.
textLines = (IVsTextLines)CreateObject(typeof(VsTextBufferClass), typeof(IVsTextLines));
// Get a reference to the global service provider.
IOleServiceProvider nativeProvider = (IOleServiceProvider)globalProvider.GetService(typeof(IOleServiceProvider));
// The text buffer must be sited with the global service provider.
((IObjectWithSite)textLines).SetSite(nativeProvider);
// Set the buffer as read-only. The user should be able to change the content of the
// buffer only if the engine is started.
uint flags;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
textLines.GetStateFlags(out flags));
flags |= (uint)Microsoft.VisualStudio.TextManager.Interop.BUFFERSTATEFLAGS.BSF_USER_READONLY;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
textLines.SetStateFlags(flags));
// Set the GUID of the language service that will handle this text buffer
Guid languageGuid = typeof(PythonLanguage).GUID;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
textLines.SetLanguageServiceID(ref languageGuid));
// Initialize the history
history = new HistoryBuffer();
// Create the stream on top of the text buffer.
textStream = new TextBufferStream(textLines);
// Initialize the engine.
InitializeEngine();
// Set the title of the window.
this.Caption = Resources.ToolWindowTitle;
// Set the icon of the toolwindow.
this.BitmapResourceID = 301;
this.BitmapIndex = 0;
}
