private bool ExecuteActionInCppContextOnly(IActionContext actionContext, Func <IActionContext, bool> cppAction)
{
if (actionContext.EnsureWritable() != EnsureWritableResult.SUCCESS)
{
return(false);
}
if (!FindCgContent(actionContext.TextControl, out var lexer))
{
return(false);
}
if (lexer.TokenType is CppTokenNodeType)
{
return(cppAction(actionContext));
}
return(false);
}
private bool HandleBackspaceAction(IActionContext actionContext)
{
if (actionContext.EnsureWritable() != EnsureWritableResult.SUCCESS)
{
return(false);
}
if (ShouldIgnoreCaretPosition(actionContext.TextControl, out var _))
{
return(false);
}
// HLSL could not be affected by smart backspace action, performance optimization
using (new ShaderLabDoNotFormatInjectionsCookie())
{
if (HandleUnindentOnBackspace(actionContext))
{
return(true);
}
}
return(false);
}
private bool WrapAction(IActionContext actionContext, Func <IActionContext, bool> cppAction, Func <IActionContext, CachingLexer, bool> shaderLabAction = null)
{
if (actionContext.EnsureWritable() != EnsureWritableResult.SUCCESS)
{
return(false);
}
if (!FindCgContent(actionContext.TextControl, out var lexer))
{
return(false);
}
if (lexer.TokenType is CppTokenNodeType)
{
return(cppAction(actionContext));
}
if (shaderLabAction != null)
{
return(shaderLabAction(actionContext, lexer));
}
return(false);
}
private bool HandleEnterAction(IActionContext actionContext)
{
if (actionContext.EnsureWritable() != EnsureWritableResult.SUCCESS)
{
return(false);
}
if (ShouldIgnoreCaretPosition(actionContext.TextControl, out var cachingLexer))
{
return(false);
}
var textControl = actionContext.TextControl;
if (GetTypingAssistOption(textControl, TypingAssistOptions.SmartIndentOnEnterExpression))
{
using (CommandProcessor.UsingCommand("Smart Enter"))
{
if (textControl.Selection.OneDocRangeWithCaret().Length > 0)
{
return(false);
}
var caret = textControl.Caret.Offset();
if (caret == 0)
{
return(false);
}
var closedCount = 0;
cachingLexer.FindTokenAt(caret - 1);
var tt = cachingLexer.TokenType;
while (tt != null)
{
if (tt == ShaderLabTokenType.RBRACE)
{
closedCount++;
}
if (tt == ShaderLabTokenType.LBRACE)
{
if (closedCount == 0)
{
var line = textControl.Document.GetCoordsByOffset(cachingLexer.TokenStart).Line;
var lineOffset = textControl.Document.GetLineStartOffset(line);
if (cachingLexer.FindTokenAt(lineOffset))
{
// e.g
//Shader "Custom/Test2_hlsl" {
//<caret> Properties {
//<caret>{
//<caret> {
var baseIndent = myInjectedHlslDummyFormatter.GetFormatSettingsService(textControl).GetIndentStr();
string indent;
if (cachingLexer.TokenType == ShaderLabTokenType.WHITESPACE)
{
indent = cachingLexer.GetTokenText() + baseIndent;
}
else
{
indent = baseIndent;
}
textControl.Document.InsertText(caret, "\n" + indent);
return(true);
}
}
closedCount--;
}
cachingLexer.Advance(-1);
tt = cachingLexer.TokenType;
}
}
}
return(false);
}