public ICompletionSource TryCreateCompletionSource(ITextBuffer buffer)
{
if (!buffer.Properties.TryGetProperty(nameof(ALanguageCompletionSource), out ALanguageCompletionSource source))
{
source = new ALanguageCompletionSource(buffer);
buffer.Properties.AddProperty(nameof(ALanguageCompletionSource), source);
}
return(source);
}
public void QueryKeyWordCompletion(string input, List <ALanguageCompletionInfo> list)
{
if (input.Length == 1 && ALanguageCompletionSource.IsSpecialChar(input[0]))
{
input = "";
}
foreach (var key in m_rule.GetKeySet())
{
if (key.StartsWith(input))
{
list.Add(new ALanguageCompletionInfo(key, null));
}
}
}
bool Complete(bool force)
{
if (m_session == null)
{
return(false);
}
if (!m_session.SelectedCompletionSet.SelectionStatus.IsSelected && !force)
{
m_session.Dismiss();
return(false);
}
var completion = m_session.SelectedCompletionSet.SelectionStatus.Completion;
if (completion != null)
{
ALanguageCompletionSource.UserSelected(completion.InsertionText);
}
m_session.Commit();
return(true);
}
public int Exec(ref Guid pguidCmdGroup, uint nCmdID, uint nCmdexecopt, IntPtr pvaIn, IntPtr pvaOut)
{
bool handled = false;
int hresult = VSConstants.S_OK;
bool update_reference = false;
int paste_before = -1;
// 1. Pre-process
if (pguidCmdGroup == VSConstants.VSStd2K)
{
switch ((VSConstants.VSStd2KCmdID)nCmdID)
{
case VSConstants.VSStd2KCmdID.COMMENT_BLOCK:
{
var info = GetUIViewItem();
if (info != null)
{
handled = info.Comment(m_view, true);
}
}
break;
case VSConstants.VSStd2KCmdID.UNCOMMENT_BLOCK:
{
var info = GetUIViewItem();
if (info != null)
{
handled = info.Comment(m_view, false);
}
}
break;
case VSConstants.VSStd2KCmdID.AUTOCOMPLETE:
case VSConstants.VSStd2KCmdID.COMPLETEWORD:
// handled = StartSession();
break;
case VSConstants.VSStd2KCmdID.RETURN:
update_reference = true;
handled = Complete(false);
if (!handled)
{
handled = HandleStringPair();
}
break;
case VSConstants.VSStd2KCmdID.TAB:
handled = Cancel();
break;
case VSConstants.VSStd2KCmdID.CANCEL:
handled = Cancel();
break;
case VSConstants.VSStd2KCmdID.FORMATDOCUMENT:
{
var info = GetUIViewItem();
if (info != null)
{
info.FormatDocument();
handled = true;
}
}
break;
case VSConstants.VSStd2KCmdID.COMPILE:
{
var info = GetUIViewItem();
if (info != null)
{
info.CompileDocument();
handled = true;
}
}
break;
case VSConstants.VSStd2KCmdID.BACKSPACE:
case VSConstants.VSStd2KCmdID.DELETE:
{
if (m_view.Selection.IsEmpty)
{
var position = m_view.Caret.Position.BufferPosition.Position + 1;
if (position >= 0 && position < m_view.TextSnapshot.Length)
{
update_reference = m_view.TextSnapshot[position] == '\n';
}
}
else
{
var text = m_view.TextSnapshot.GetText(m_view.Selection.Start.Position, m_view.Selection.End.Position - m_view.Selection.Start.Position);
update_reference = text.IndexOf('\n') >= 0;
}
}
break;
}
}
else if (pguidCmdGroup == VSConstants.GUID_VSStandardCommandSet97)
{
switch ((VSConstants.VSStd97CmdID)nCmdID)
{
case VSConstants.VSStd97CmdID.Paste:
{
paste_before = m_view.Caret.Position.BufferPosition.Position;
}
break;
}
}
if (!handled)
{
hresult = Next.Exec(pguidCmdGroup, nCmdID, nCmdexecopt, pvaIn, pvaOut);
}
if (ErrorHandler.Succeeded(hresult))
{
UIViewItem info = null;
if (update_reference)
{
info = GetUIViewItem();
if (info != null)
{
info.UpdateReference();
}
}
if (pguidCmdGroup == VSConstants.VSStd2K)
{
switch ((VSConstants.VSStd2KCmdID)nCmdID)
{
case VSConstants.VSStd2KCmdID.TYPECHAR:
info = GetUIViewItem();
char c = GetTypeChar(pvaIn);
if (m_session == null)
{
if (c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z' ||
ALanguageCompletionSource.IsSpecialChar(c))
{
QueryCompletion(c);
}
}
else
{
if (c == ' ')
{
Cancel();
}
else if (ALanguageCompletionSource.IsSpecialChar(c))
{
Cancel();
QueryCompletion(c);
}
else
{
Filter();
}
}
if (info != null)
{
var position = m_view.Caret.Position.BufferPosition.Position;
var handle = false;
// 尝试填补配对字符
if (m_string_pair.TryGetValue(c, out string out_pair))
{
handle = info.PushAutoPair(position, c, out_pair);
}
if (m_view.Properties.TryGetProperty(nameof(ALanguageController), out ALanguageController controller))
{
controller.OnTextInput(position - 1);
}
if (!handle)
{
info.TypeChar(position, c);
}
}
break;
case VSConstants.VSStd2KCmdID.BACKSPACE:
{
if (m_view.Caret.Position.BufferPosition.Position == m_session_offset)
{
Cancel();
}
else
{
Filter();
}
}
break;
}
}
else if (pguidCmdGroup == VSConstants.GUID_VSStandardCommandSet97)
{
switch ((VSConstants.VSStd97CmdID)nCmdID)
{
case VSConstants.VSStd97CmdID.Paste:
{
if (info == null)
{
info = GetUIViewItem();
}
if (info != null && info.CalcLineNumbers(paste_before, m_view.Caret.Position.BufferPosition.Position, out int line_start, out int line_end))
{
info.RejustMultiLineIndentation(line_start, line_end);
}
}
break;
}
}
}
return(hresult);
}
public void VsTextViewCreated(IVsTextView text_view)
{
if (ALanguageUtility.s_service_provider == null)
{
ALanguageUtility.s_service_provider = m_service_provider;
}
if (m_factory == null)
{
return;
}
SaveAdapterFactory();
m_factory.Init(m_service_provider, m_adapters_factory);
// 获取系统单例，用于打开文件
if (m_open_document == null)
{
m_open_document = m_service_provider.GetService(typeof(SVsUIShellOpenDocument)) as IVsUIShellOpenDocument;
}
// 获取视窗
IWpfTextView view = m_adapters_factory.GetWpfTextView(text_view);
if (view == null)
{
return;
}
// 添加关闭监听
view.Closed += OnViewClosed;
// 创建ABnf
if (m_abnf == null)
{
m_abnf = ALanguageUtility.CreateABnf(m_factory);
}
if (m_abnf == null)
{
return;
}
if (m_abnf_ui == null)
{
m_abnf_ui = ALanguageUtility.CreateABnf(m_factory);
}
if (m_abnf_ui == null)
{
return;
}
// 获取高亮tag
if (m_highlight_tag == null)
{
m_highlight_tag = m_factory.CreateTextMarkerTag();
}
if (m_highlight_tag != null)
{
view.Properties.AddProperty(nameof(TextMarkerTag), m_highlight_tag);
}
// 获取全路径
string full_path = ALanguageUtility.GetFilePath(view);
if (full_path == null)
{
return;
}
var solution = m_factory.GetSolution();
if (solution == null)
{
return;
}
var server = solution.GetServer();
if (server != null)
{
view.Properties.AddProperty(nameof(ALanguageServer), server);
view.TextBuffer.Properties.AddProperty(nameof(ALanguageServer), server);
}
view.Properties.AddProperty(nameof(IVsTextView), text_view);
// 获取所在的工程
m_open_document.IsDocumentInAProject(full_path, out IVsUIHierarchy project, out uint item_id, out Microsoft.VisualStudio.OLE.Interop.IServiceProvider _ppSP, out int _pDocInProj);
UIProjectInfo project_info = null;
if (project != null)
{
solution.GetProjects().TryGetValue(project, out project_info);
}
// 创建信息，并作为属性给view
var info = new UIViewItem(m_abnf, m_abnf_ui, view, m_service_provider, m_adapters_factory, project_info, item_id, full_path, m_factory, m_factory.GetLineCommentBegin());
view.Properties.AddProperty(nameof(UIViewItem), info);
view.TextBuffer.Properties.AddProperty(nameof(UIViewItem), info);
// 提前添加各种source
{
if (!view.TextBuffer.Properties.TryGetProperty(nameof(ALanguageCompletionSource), out ALanguageCompletionSource source))
{
source = new ALanguageCompletionSource(view.TextBuffer);
view.TextBuffer.Properties.AddProperty(nameof(ALanguageCompletionSource), source);
}
}
{
if (!view.TextBuffer.Properties.TryGetProperty(nameof(ALanguageQuickInfoSource), out ALanguageQuickInfoSource source))
{
source = new ALanguageQuickInfoSource(view.TextBuffer);
view.TextBuffer.Properties.AddProperty(nameof(ALanguageQuickInfoSource), source);
}
}
{
if (!view.TextBuffer.Properties.TryGetProperty(nameof(ALanguageSignatureHelpSource), out ALanguageSignatureHelpSource source))
{
source = new ALanguageSignatureHelpSource(view.TextBuffer);
view.TextBuffer.Properties.AddProperty(nameof(ALanguageSignatureHelpSource), source);
}
}
{
if (!view.Properties.TryGetProperty(nameof(ALanguageErrorTagger), out ALanguageErrorTagger tagger))
{
tagger = new ALanguageErrorTagger(view);
view.Properties.AddProperty(nameof(ALanguageErrorTagger), tagger);
}
}
{
if (!view.Properties.TryGetProperty(nameof(ALanguageReferenceTagger), out ALanguageReferenceTagger tagger))
{
tagger = new ALanguageReferenceTagger(view);
view.Properties.AddProperty(nameof(ALanguageReferenceTagger), tagger);
}
}
{
if (!view.Properties.TryGetProperty(nameof(ALanguageHighlightWordTagger), out ALanguageHighlightWordTagger tagger))
{
tagger = new ALanguageHighlightWordTagger(view);
view.Properties.AddProperty(nameof(ALanguageHighlightWordTagger), tagger);
}
}
// 添加命令
{
ALanguageGotoDefinitionCommand filter = new ALanguageGotoDefinitionCommand(view);
text_view.AddCommandFilter(filter, out IOleCommandTarget next);
filter.Next = next;
view.Properties.AddProperty(nameof(ALanguageGotoDefinitionCommand) + "Target", next);
}
{
ALanguageCompletionCommand filter = new ALanguageCompletionCommand(view, m_completion_broker);
text_view.AddCommandFilter(filter, out IOleCommandTarget next);
filter.Next = next;
view.Properties.AddProperty(nameof(ALanguageCompletionCommand) + "Target", next);
view.Properties.AddProperty(nameof(ALanguageCompletionCommand), filter);
}
}