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53 lines (44 loc) · 2.07 KB
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using System.Collections.Generic;
using System.Linq;
using com.github.javaparser.ast.stmt;
using JavaToCSharp.Expressions;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.Syntax;
namespace JavaToCSharp.Statements
{
public class SwitchStatementVisitor : StatementVisitor<SwitchStmt>
{
public override StatementSyntax Visit(ConversionContext context, SwitchStmt switchStmt)
{
var selector = switchStmt.getSelector();
var selectorSyntax = ExpressionVisitor.VisitExpression(context, selector);
var cases = switchStmt.getEntries().ToList<SwitchEntryStmt>();
if (cases == null)
return SyntaxFactory.SwitchStatement(selectorSyntax, SyntaxFactory.List<SwitchSectionSyntax>());
var caseSyntaxes = new List<SwitchSectionSyntax>();
foreach (var cs in cases)
{
var label = cs.getLabel();
var statements = cs.getStmts().ToList<Statement>();
var syntaxes = StatementVisitor.VisitStatements(context, statements);
if (label == null)
{
// default case
var defaultSyntax = SyntaxFactory.SwitchSection(
SyntaxFactory.List(new List<SwitchLabelSyntax> { SyntaxFactory.DefaultSwitchLabel() }),
SyntaxFactory.List(syntaxes.AsEnumerable()));
caseSyntaxes.Add(defaultSyntax);
}
else
{
var labelSyntax = ExpressionVisitor.VisitExpression(context, label);
var caseSyntax = SyntaxFactory.SwitchSection(
SyntaxFactory.List(new List<SwitchLabelSyntax> { SyntaxFactory.CaseSwitchLabel(labelSyntax) }),
SyntaxFactory.List(syntaxes.AsEnumerable()));
caseSyntaxes.Add(caseSyntax);
}
}
return SyntaxFactory.SwitchStatement(selectorSyntax, SyntaxFactory.List<SwitchSectionSyntax>(caseSyntaxes));
}
}
}