source: stable/HeuristicLab.ExtLibs/HeuristicLab.NRefactory/5.5.0/NRefactory.CSharp-5.5.0/Formatter/FormattingVisitor_Query.cs @ 13400

//
// AstFormattingVisitor_Query.cs
//
// Author:
//       Luís Reis <luiscubal@gmail.com>
//
// Copyright (c) 2013 Luís Reis
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Linq;

namespace ICSharpCode.NRefactory.CSharp
{
  partial class FormattingVisitor
  {
    int GetUpdatedStartLocation(QueryExpression queryExpression)
    {
      //TODO
      return queryExpression.StartLocation.Column;
    }

    public override void VisitQueryExpression(QueryExpression queryExpression)
    {
      var oldIndent = curIndent.Clone();

      var column = GetUpdatedStartLocation(queryExpression);

      int extraSpaces = column - 1 - (curIndent.CurIndent / options.TabSize);
      if (extraSpaces < 0) {
        //This check should probably be removed in the future, when GetUpdatedStartLocation is implemented
        extraSpaces = 0;
      }

      curIndent.ExtraSpaces = extraSpaces;
      VisitChildren(queryExpression);

      curIndent = oldIndent;
    }

    public override void VisitQueryFromClause(QueryFromClause queryFromClause)
    {
      FixClauseIndentation(queryFromClause, queryFromClause.FromKeyword);
    }

    public override void VisitQueryContinuationClause(QueryContinuationClause queryContinuationClause)
    {
      VisitChildren(queryContinuationClause);
    }

    public override void VisitQueryGroupClause(QueryGroupClause queryGroupClause)
    {
      FixClauseIndentation(queryGroupClause, queryGroupClause.GroupKeyword);
    }

    public override void VisitQueryJoinClause(QueryJoinClause queryJoinClause)
    {
      FixClauseIndentation(queryJoinClause, queryJoinClause.JoinKeyword);
    }

    public override void VisitQueryLetClause(QueryLetClause queryLetClause)
    {
      FixClauseIndentation(queryLetClause, queryLetClause.LetKeyword);
    }

    public override void VisitQuerySelectClause(QuerySelectClause querySelectClause)
    {
      FixClauseIndentation(querySelectClause, querySelectClause.SelectKeyword);
    }

    public override void VisitQueryOrderClause(QueryOrderClause queryOrderClause)
    {
      FixClauseIndentation(queryOrderClause, queryOrderClause.OrderbyToken);
    }

    public override void VisitQueryWhereClause(QueryWhereClause queryWhereClause)
    {
      FixClauseIndentation(queryWhereClause, queryWhereClause.WhereKeyword);
    }

    void FixClauseIndentation(QueryClause clause, AstNode keyword) {
      var parentExpression = clause.GetParent<QueryExpression>();
      bool isFirstClause = parentExpression.Clauses.First() == clause;
      if (!isFirstClause) {
        PlaceOnNewLine(policy.NewLineBeforeNewQueryClause, keyword);
      }

      int extraSpaces = options.IndentSize;
      curIndent.ExtraSpaces += extraSpaces;
      foreach (var child in clause.Children) {
        var expression = child as Expression;
        if (expression != null) {
          FixIndentation(child);
          child.AcceptVisitor(this);
        }

        var tokenNode = child as CSharpTokenNode;
        if (tokenNode != null) {
          if (tokenNode.GetNextSibling(NoWhitespacePredicate).StartLocation.Line != tokenNode.EndLocation.Line) {
            ForceSpacesAfter(tokenNode, false);
          }
        }
      }
      curIndent.ExtraSpaces -= extraSpaces;
    }
  }
}