public static string GetFormatSql(IContext context, string sql)
{
sql = sql.Insert(sql.Length, SqlKeyWorld.WhiteSpace);
var matches = SegmentUtil.GetMatch(sql);
if (matches.Count == 0)
{
return(sql);
}
Func <string, string> getFormatSql = (argSql) =>
{
var grammar = new Grammar(matches, argSql);
IEnumerable <Segment> segments = grammar.Parser();
if (segments.Any())
{
argSql = GetApplyGramarRuleSql(context, argSql, segments);
}
return(argSql);
};
var newSql = getFormatSql(sql);
return(newSql);
}
public bool InRiver(List <DisplayNode> displayNodes, float x, float y)
{
for (int i = 0; i < displayNodes.Count - 1; i++)
{
DisplayNode point = new DisplayNode((int)x, (int)y);
DisplayNode riverNode1 = displayNodes[i];
DisplayNode riverNode2 = displayNodes[i + 1];
if (SegmentUtil.FindDistanceToSegmentRiver(point, riverNode1, riverNode2) < riverWidthConstant)
{
return(true);
}
}
return(false);
}
public static string GetApplyGramarRuleSql(IContext contex, string sql, IEnumerable <Segment> segments)
{
var oldSql = sql.Clone().ToString();
var total = segments.Count();
for (var i = total - 1; i >= 0; i--)
{
var seg = segments.ElementAt(i);
var startIndex = seg.Start.Index;
var endIndex = seg.End.Index + seg.End.Length;
sql = sql.Remove(startIndex, endIndex - startIndex);
sql = sql.Insert(startIndex, SegmentUtil.BuildSql(contex, oldSql, seg));
}
return(sql);
}
public void FindDistanceToSegmentRiverTest()
{
DisplayNode dpnode = new DisplayNode(4, 4);
DisplayNode dpnode2 = new DisplayNode(4, 4);
DisplayNode point = new DisplayNode(6, 4);
Assert.AreEqual(SegmentUtil.FindDistanceToSegmentRiver(point, dpnode, dpnode2), 2);
dpnode = new DisplayNode(4, 4);
dpnode2 = new DisplayNode(6, 6);
point = new DisplayNode(6, 6);
Assert.AreEqual(SegmentUtil.FindDistanceToSegmentRiver(point, dpnode, dpnode2), (double)0.0);
dpnode = new DisplayNode(12, 12);
dpnode2 = new DisplayNode(18, 18);
point = new DisplayNode(6, 16);
Assert.AreEqual(SegmentUtil.FindDistanceToSegmentRiver(point, dpnode, dpnode2), 7.211102550927978);
dpnode = new DisplayNode(24, 24);
dpnode2 = new DisplayNode(18, 18);
point = new DisplayNode(6, 16);
Assert.AreEqual(SegmentUtil.FindDistanceToSegmentRiver(point, dpnode, dpnode2), 12.165525060596439);
}
