internal static int MultiPointText(com.epl.geometry.AttributeStreamOfDbl zs, com.epl.geometry.AttributeStreamOfDbl ms, com.epl.geometry.AttributeStreamOfDbl position, com.epl.geometry.WktParser wkt_parser)
{
// At start of MultiPointText
int current_token = wkt_parser.CurrentToken();
int point_count = 0;
if (current_token == com.epl.geometry.WktParser.WktToken.empty)
{
return(point_count);
}
current_token = wkt_parser.NextToken();
while (current_token != com.epl.geometry.WktParser.WktToken.right_paren)
{
// At start of PointText
point_count += PointText(zs, ms, position, wkt_parser);
if (current_token == com.epl.geometry.WktParser.WktToken.left_paren || current_token == com.epl.geometry.WktParser.WktToken.empty)
{
current_token = wkt_parser.NextToken();
}
else
{
// ogc standard
current_token = wkt_parser.CurrentToken();
}
}
// not ogc standard.
// treat as
// linestring
return(point_count);
}
internal static int PolygonText(com.epl.geometry.AttributeStreamOfDbl zs, com.epl.geometry.AttributeStreamOfDbl ms, com.epl.geometry.AttributeStreamOfDbl position, com.epl.geometry.AttributeStreamOfInt32 paths, com.epl.geometry.AttributeStreamOfInt8 path_flags, int total_point_count
, com.epl.geometry.WktParser wkt_parser)
{
// At start of PolygonText
int current_token = wkt_parser.CurrentToken();
if (current_token == com.epl.geometry.WktParser.WktToken.empty)
{
return(total_point_count);
}
bool b_first_line_string = true;
current_token = wkt_parser.NextToken();
while (current_token != com.epl.geometry.WktParser.WktToken.right_paren)
{
// At start of LineStringText
int point_count = LineStringText(true, zs, ms, position, paths, path_flags, wkt_parser);
if (point_count != 0)
{
if (b_first_line_string)
{
b_first_line_string = false;
path_flags.SetBits(path_flags.Size() - 2, unchecked ((byte)com.epl.geometry.PathFlags.enumOGCStartPolygon));
}
path_flags.SetBits(path_flags.Size() - 2, unchecked ((byte)com.epl.geometry.PathFlags.enumClosed));
total_point_count += point_count;
}
current_token = wkt_parser.NextToken();
}
return(total_point_count);
}
internal static com.epl.geometry.Geometry MultiPointTaggedText(int import_flags, com.epl.geometry.WktParser wkt_parser)
{
com.epl.geometry.MultiPoint multi_point;
com.epl.geometry.MultiPointImpl multi_point_impl;
com.epl.geometry.AttributeStreamOfDbl zs = null;
com.epl.geometry.AttributeStreamOfDbl ms = null;
com.epl.geometry.AttributeStreamOfDbl position;
position = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0);
multi_point = new com.epl.geometry.MultiPoint();
multi_point_impl = (com.epl.geometry.MultiPointImpl)multi_point._getImpl();
int current_token = wkt_parser.NextToken();
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_z)
{
zs = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
multi_point_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.Z);
wkt_parser.NextToken();
}
else
{
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_m)
{
ms = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
multi_point_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.M);
wkt_parser.NextToken();
}
else
{
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_zm)
{
zs = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
ms = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
multi_point_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.Z);
multi_point_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.M);
wkt_parser.NextToken();
}
}
}
int point_count = MultiPointText(zs, ms, position, wkt_parser);
if (point_count != 0)
{
System.Diagnostics.Debug.Assert((2 * point_count == position.Size()));
multi_point_impl.Resize(point_count);
multi_point_impl.SetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION, position);
if (zs != null)
{
multi_point_impl.SetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.Z, zs);
}
if (ms != null)
{
multi_point_impl.SetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.M, ms);
}
multi_point_impl.NotifyModified(com.epl.geometry.MultiVertexGeometryImpl.DirtyFlags.DirtyAll);
}
return(multi_point);
}
public override com.epl.geometry.Geometry Execute(int import_flags, com.epl.geometry.Geometry.Type type, string wkt_string, com.epl.geometry.ProgressTracker progress_tracker)
{
com.epl.geometry.WktParser wkt_parser = new com.epl.geometry.WktParser(wkt_string);
int current_token = wkt_parser.NextToken();
return(ImportFromWkt(import_flags, type, wkt_parser));
}
internal static com.epl.geometry.Geometry PointTaggedText(int import_flags, com.epl.geometry.WktParser wkt_parser)
{
com.epl.geometry.Point point = new com.epl.geometry.Point();
int current_token = wkt_parser.NextToken();
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_z)
{
point.AddAttribute(com.epl.geometry.VertexDescription.Semantics.Z);
wkt_parser.NextToken();
}
else
{
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_m)
{
point.AddAttribute(com.epl.geometry.VertexDescription.Semantics.M);
wkt_parser.NextToken();
}
else
{
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_zm)
{
point.AddAttribute(com.epl.geometry.VertexDescription.Semantics.Z);
point.AddAttribute(com.epl.geometry.VertexDescription.Semantics.M);
wkt_parser.NextToken();
}
}
}
// At start of PointText
current_token = wkt_parser.CurrentToken();
if (current_token != com.epl.geometry.WktParser.WktToken.empty)
{
wkt_parser.NextToken();
double x = wkt_parser.CurrentNumericLiteral();
wkt_parser.NextToken();
double y = wkt_parser.CurrentNumericLiteral();
wkt_parser.NextToken();
point.SetXY(x, y);
if (wkt_parser.HasZs())
{
double z = wkt_parser.CurrentNumericLiteral();
wkt_parser.NextToken();
point.SetZ(z);
}
if (wkt_parser.HasMs())
{
double m = wkt_parser.CurrentNumericLiteral();
wkt_parser.NextToken();
point.SetM(m);
}
}
return(point);
}
public override com.epl.geometry.OGCStructure ExecuteOGC(int import_flags, string wkt_string, com.epl.geometry.ProgressTracker progress_tracker)
{
System.Collections.Generic.List <com.epl.geometry.OGCStructure> stack = new System.Collections.Generic.List <com.epl.geometry.OGCStructure>(0);
com.epl.geometry.WktParser wkt_parser = new com.epl.geometry.WktParser(wkt_string);
com.epl.geometry.OGCStructure root = new com.epl.geometry.OGCStructure();
root.m_structures = new System.Collections.Generic.List <com.epl.geometry.OGCStructure>(0);
stack.Add(root);
// add dummy root
while (wkt_parser.NextToken() != com.epl.geometry.WktParser.WktToken.not_available)
{
int current_token = wkt_parser.CurrentToken();
if (current_token == com.epl.geometry.WktParser.WktToken.right_paren)
{
stack.RemoveAt(stack.Count - 1);
continue;
}
int ogc_type = current_token;
com.epl.geometry.OGCStructure last = stack[stack.Count - 1];
if (current_token == com.epl.geometry.WktParser.WktToken.geometrycollection)
{
current_token = wkt_parser.NextToken();
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_z || current_token == com.epl.geometry.WktParser.WktToken.attribute_m || current_token == com.epl.geometry.WktParser.WktToken.attribute_zm)
{
wkt_parser.NextToken();
}
com.epl.geometry.OGCStructure next = new com.epl.geometry.OGCStructure();
next.m_type = ogc_type;
next.m_structures = new System.Collections.Generic.List <com.epl.geometry.OGCStructure>(0);
last.m_structures.Add(next);
if (current_token != com.epl.geometry.WktParser.WktToken.empty)
{
stack.Add(next);
}
continue;
}
com.epl.geometry.Geometry geometry = ImportFromWkt(import_flags, com.epl.geometry.Geometry.Type.Unknown, wkt_parser);
com.epl.geometry.OGCStructure leaf = new com.epl.geometry.OGCStructure();
leaf.m_type = ogc_type;
leaf.m_geometry = geometry;
last.m_structures.Add(leaf);
}
return(root);
}
internal static int MultiPolygonText(com.epl.geometry.AttributeStreamOfDbl zs, com.epl.geometry.AttributeStreamOfDbl ms, com.epl.geometry.AttributeStreamOfDbl position, com.epl.geometry.AttributeStreamOfInt32 paths, com.epl.geometry.AttributeStreamOfInt8 path_flags, com.epl.geometry.WktParser
wkt_parser)
{
// At start of MultiPolygonText
int current_token = wkt_parser.CurrentToken();
int total_point_count = 0;
if (current_token == com.epl.geometry.WktParser.WktToken.empty)
{
return(total_point_count);
}
current_token = wkt_parser.NextToken();
while (current_token != com.epl.geometry.WktParser.WktToken.right_paren)
{
// At start of PolygonText
total_point_count = PolygonText(zs, ms, position, paths, path_flags, total_point_count, wkt_parser);
current_token = wkt_parser.NextToken();
}
return(total_point_count);
}
internal static int PointText(com.epl.geometry.AttributeStreamOfDbl zs, com.epl.geometry.AttributeStreamOfDbl ms, com.epl.geometry.AttributeStreamOfDbl position, com.epl.geometry.WktParser wkt_parser)
{
// At start of PointText
int current_token = wkt_parser.CurrentToken();
if (current_token == com.epl.geometry.WktParser.WktToken.empty)
{
return(0);
}
if (current_token == com.epl.geometry.WktParser.WktToken.left_paren)
{
wkt_parser.NextToken();
}
// ogc standard
// At start of x
double x = wkt_parser.CurrentNumericLiteral();
wkt_parser.NextToken();
double y = wkt_parser.CurrentNumericLiteral();
wkt_parser.NextToken();
double z = com.epl.geometry.NumberUtils.TheNaN;
double m = com.epl.geometry.NumberUtils.TheNaN;
if (zs != null)
{
z = wkt_parser.CurrentNumericLiteral();
wkt_parser.NextToken();
}
if (ms != null)
{
m = wkt_parser.CurrentNumericLiteral();
wkt_parser.NextToken();
}
AddToStreams(zs, ms, position, x, y, z, m);
return(1);
}
internal static int LineStringText(bool b_ring, com.epl.geometry.AttributeStreamOfDbl zs, com.epl.geometry.AttributeStreamOfDbl ms, com.epl.geometry.AttributeStreamOfDbl position, com.epl.geometry.AttributeStreamOfInt32 paths, com.epl.geometry.AttributeStreamOfInt8 path_flags
, com.epl.geometry.WktParser wkt_parser)
{
// At start of LineStringText
int current_token = wkt_parser.CurrentToken();
int point_count = 0;
if (current_token == com.epl.geometry.WktParser.WktToken.empty)
{
return(point_count);
}
bool b_start_path = true;
double startx = com.epl.geometry.NumberUtils.TheNaN;
double starty = com.epl.geometry.NumberUtils.TheNaN;
double startz = com.epl.geometry.NumberUtils.TheNaN;
double startm = com.epl.geometry.NumberUtils.TheNaN;
current_token = wkt_parser.NextToken();
while (current_token != com.epl.geometry.WktParser.WktToken.right_paren)
{
// At start of x
double x = wkt_parser.CurrentNumericLiteral();
wkt_parser.NextToken();
double y = wkt_parser.CurrentNumericLiteral();
wkt_parser.NextToken();
double z = com.epl.geometry.NumberUtils.TheNaN;
double m = com.epl.geometry.NumberUtils.TheNaN;
if (wkt_parser.HasZs())
{
z = wkt_parser.CurrentNumericLiteral();
wkt_parser.NextToken();
}
if (wkt_parser.HasMs())
{
m = wkt_parser.CurrentNumericLiteral();
wkt_parser.NextToken();
}
current_token = wkt_parser.CurrentToken();
bool b_add_point = true;
if (b_ring && point_count >= 2 && current_token == com.epl.geometry.WktParser.WktToken.right_paren)
{
// If the last point in the ring is not equal to the start
// point, then let's add it.
if ((startx == x || (com.epl.geometry.NumberUtils.IsNaN(startx) && com.epl.geometry.NumberUtils.IsNaN(x))) && (starty == y || (com.epl.geometry.NumberUtils.IsNaN(starty) && com.epl.geometry.NumberUtils.IsNaN(y))) && (!wkt_parser.HasZs() || startz == z || (com.epl.geometry.NumberUtils
.IsNaN(startz) && com.epl.geometry.NumberUtils.IsNaN(z))) && (!wkt_parser.HasMs() || startm == m || (com.epl.geometry.NumberUtils.IsNaN(startm) && com.epl.geometry.NumberUtils.IsNaN(m))))
{
b_add_point = false;
}
}
if (b_add_point)
{
if (b_start_path)
{
b_start_path = false;
startx = x;
starty = y;
startz = z;
startm = m;
}
point_count++;
AddToStreams(zs, ms, position, x, y, z, m);
}
}
if (point_count == 1)
{
point_count++;
AddToStreams(zs, ms, position, startx, starty, startz, startm);
}
paths.Add(position.Size() / 2);
path_flags.Add(unchecked ((byte)0));
return(point_count);
}
internal static com.epl.geometry.Geometry LineStringTaggedText(bool b_multi_linestring, int import_flags, com.epl.geometry.WktParser wkt_parser)
{
com.epl.geometry.MultiPath multi_path;
com.epl.geometry.MultiPathImpl multi_path_impl;
com.epl.geometry.AttributeStreamOfDbl zs = null;
com.epl.geometry.AttributeStreamOfDbl ms = null;
com.epl.geometry.AttributeStreamOfDbl position;
com.epl.geometry.AttributeStreamOfInt32 paths;
com.epl.geometry.AttributeStreamOfInt8 path_flags;
position = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0);
paths = (com.epl.geometry.AttributeStreamOfInt32)com.epl.geometry.AttributeStreamBase.CreateIndexStream(1, 0);
path_flags = (com.epl.geometry.AttributeStreamOfInt8)com.epl.geometry.AttributeStreamBase.CreateByteStream(1, unchecked ((byte)0));
multi_path = new com.epl.geometry.Polyline();
multi_path_impl = (com.epl.geometry.MultiPathImpl)multi_path._getImpl();
int current_token = wkt_parser.NextToken();
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_z)
{
zs = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
multi_path_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.Z);
wkt_parser.NextToken();
}
else
{
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_m)
{
ms = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
multi_path_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.M);
wkt_parser.NextToken();
}
else
{
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_zm)
{
zs = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
ms = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
multi_path_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.Z);
multi_path_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.M);
wkt_parser.NextToken();
}
}
}
int point_count;
if (b_multi_linestring)
{
point_count = MultiLineStringText(zs, ms, position, paths, path_flags, wkt_parser);
}
else
{
point_count = LineStringText(false, zs, ms, position, paths, path_flags, wkt_parser);
}
if (point_count != 0)
{
System.Diagnostics.Debug.Assert((2 * point_count == position.Size()));
multi_path_impl.SetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION, position);
multi_path_impl.SetPathStreamRef(paths);
multi_path_impl.SetPathFlagsStreamRef(path_flags);
if (zs != null)
{
multi_path_impl.SetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.Z, zs);
}
if (ms != null)
{
multi_path_impl.SetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.M, ms);
}
multi_path_impl.NotifyModified(com.epl.geometry.MultiVertexGeometryImpl.DirtyFlags.DirtyAll);
}
return(multi_path);
}
internal static com.epl.geometry.Geometry PolygonTaggedText(bool b_multi_polygon, int import_flags, com.epl.geometry.WktParser wkt_parser)
{
com.epl.geometry.MultiPath multi_path;
com.epl.geometry.MultiPathImpl multi_path_impl;
com.epl.geometry.AttributeStreamOfDbl zs = null;
com.epl.geometry.AttributeStreamOfDbl ms = null;
com.epl.geometry.AttributeStreamOfDbl position;
com.epl.geometry.AttributeStreamOfInt32 paths;
com.epl.geometry.AttributeStreamOfInt8 path_flags;
position = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0);
paths = (com.epl.geometry.AttributeStreamOfInt32)com.epl.geometry.AttributeStreamBase.CreateIndexStream(1, 0);
path_flags = (com.epl.geometry.AttributeStreamOfInt8)com.epl.geometry.AttributeStreamBase.CreateByteStream(1, unchecked ((byte)0));
multi_path = new com.epl.geometry.Polygon();
multi_path_impl = (com.epl.geometry.MultiPathImpl)multi_path._getImpl();
int current_token = wkt_parser.NextToken();
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_z)
{
zs = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
multi_path_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.Z);
wkt_parser.NextToken();
}
else
{
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_m)
{
ms = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
multi_path_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.M);
wkt_parser.NextToken();
}
else
{
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_zm)
{
zs = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
ms = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
multi_path_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.Z);
multi_path_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.M);
wkt_parser.NextToken();
}
}
}
int point_count;
if (b_multi_polygon)
{
point_count = MultiPolygonText(zs, ms, position, paths, path_flags, wkt_parser);
}
else
{
point_count = PolygonText(zs, ms, position, paths, path_flags, 0, wkt_parser);
}
if (point_count != 0)
{
System.Diagnostics.Debug.Assert((2 * point_count == position.Size()));
multi_path_impl.SetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION, position);
multi_path_impl.SetPathStreamRef(paths);
multi_path_impl.SetPathFlagsStreamRef(path_flags);
if (zs != null)
{
multi_path_impl.SetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.Z, zs);
}
if (ms != null)
{
multi_path_impl.SetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.M, ms);
}
multi_path_impl.NotifyModified(com.epl.geometry.MultiVertexGeometryImpl.DirtyFlags.DirtyAll);
com.epl.geometry.AttributeStreamOfInt8 path_flags_clone = new com.epl.geometry.AttributeStreamOfInt8(path_flags);
for (int i = 0; i < path_flags_clone.Size() - 1; i++)
{
if (((int)path_flags_clone.Read(i) & (int)com.epl.geometry.PathFlags.enumOGCStartPolygon) != 0)
{
// Should
// be
// clockwise
if (!com.epl.geometry.InternalUtils.IsClockwiseRing(multi_path_impl, i))
{
multi_path_impl.ReversePath(i);
}
}
else
{
// make clockwise
// Should be counter-clockwise
if (com.epl.geometry.InternalUtils.IsClockwiseRing(multi_path_impl, i))
{
multi_path_impl.ReversePath(i);
}
}
}
// make
// counter-clockwise
multi_path_impl.SetPathFlagsStreamRef(path_flags_clone);
}
if ((import_flags & (int)com.epl.geometry.WktImportFlags.wktImportNonTrusted) == 0)
{
multi_path_impl.SetIsSimple(com.epl.geometry.MultiVertexGeometryImpl.GeometryXSimple.Weak, 0.0, false);
}
multi_path_impl.SetDirtyOGCFlags(false);
return(multi_path);
}