public ShapefileDataReader(IStreamProviderRegistry streamProviderRegistry, IGeometryFactory geometryFactory)
{
if (streamProviderRegistry==null)
throw new ArgumentNullException("streamProviderRegistry");
if (geometryFactory == null)
throw new ArgumentNullException("geometryFactory");
_open = true;
_dbfReader = new DbaseFileReader(streamProviderRegistry);
_shpReader = new ShapefileReader(streamProviderRegistry, geometryFactory);
_dbfHeader = _dbfReader.GetHeader();
_recordCount = _dbfHeader.NumRecords;
// copy dbase fields to our own array. Insert into the first position, the shape column
_dbaseFields = new DbaseFieldDescriptor[_dbfHeader.Fields.Length + 1];
_dbaseFields[0] = DbaseFieldDescriptor.ShapeField();
for (int i = 0; i < _dbfHeader.Fields.Length; i++)
_dbaseFields[i + 1] = _dbfHeader.Fields[i];
_shpHeader = _shpReader.Header;
_dbfEnumerator = _dbfReader.GetEnumerator();
_shpEnumerator = _shpReader.GetEnumerator();
_moreRecords = true;
}
public ShapefileDataReader(IStreamProviderRegistry streamProviderRegistry, IGeometryFactory geometryFactory)
{
if (streamProviderRegistry == null)
{
throw new ArgumentNullException("streamProviderRegistry");
}
if (geometryFactory == null)
{
throw new ArgumentNullException("geometryFactory");
}
_open = true;
_dbfReader = new DbaseFileReader(streamProviderRegistry);
_shpReader = new ShapefileReader(streamProviderRegistry, geometryFactory);
_dbfHeader = _dbfReader.GetHeader();
_recordCount = _dbfHeader.NumRecords;
// copy dbase fields to our own array. Insert into the first position, the shape column
_dbaseFields = new DbaseFieldDescriptor[_dbfHeader.Fields.Length + 1];
_dbaseFields[0] = DbaseFieldDescriptor.ShapeField();
for (int i = 0; i < _dbfHeader.Fields.Length; i++)
{
_dbaseFields[i + 1] = _dbfHeader.Fields[i];
}
_shpHeader = _shpReader.Header;
_dbfEnumerator = _dbfReader.GetEnumerator();
_shpEnumerator = _shpReader.GetEnumerator();
_moreRecords = true;
}
/// <summary>
/// Initializes a new instance of the ShapefileDataReader class.
/// </summary>
/// <param name="filename">The shapefile to read (minus the .shp extension)</param>
///<param name="geometryFactory">The GeometryFactory to use.</param>
public ShapefileDataReader(string filename, IGeometryFactory geometryFactory)
{
if (String.IsNullOrEmpty(filename))
throw new ArgumentNullException("filename");
if (geometryFactory == null)
throw new ArgumentNullException("geometryFactory");
_open = true;
string dbfFile = Path.ChangeExtension(filename, "dbf");
_dbfReader = new DbaseFileReader(dbfFile);
string shpFile = Path.ChangeExtension(filename, "shp");
_shpReader = new ShapefileReader(shpFile, geometryFactory);
_dbfHeader = _dbfReader.GetHeader();
_recordCount = _dbfHeader.NumRecords;
// copy dbase fields to our own array. Insert into the first position, the shape column
_dbaseFields = new DbaseFieldDescriptor[_dbfHeader.Fields.Length + 1];
_dbaseFields[0] = DbaseFieldDescriptor.ShapeField();
for (int i = 0; i < _dbfHeader.Fields.Length; i++)
_dbaseFields[i + 1] = _dbfHeader.Fields[i];
_shpHeader = _shpReader.Header;
_dbfEnumerator = _dbfReader.GetEnumerator();
_shpEnumerator = _shpReader.GetEnumerator();
_moreRecords = true;
}
private void TestSharcDbf()
{
const string filename = @"Strade.dbf";
if (!File.Exists(filename))
throw new FileNotFoundException(filename + " not found at " + Environment.CurrentDirectory);
var reader = new DbaseFileReader(filename);
var header = reader.GetHeader();
Console.WriteLine("HeaderLength: " + header.HeaderLength);
Console.WriteLine("RecordLength: " + header.RecordLength);
Console.WriteLine("NumFields: " + header.NumFields);
Console.WriteLine("NumRecords: " + header.NumRecords);
Console.WriteLine("LastUpdateDate: " + header.LastUpdateDate);
foreach (var descr in header.Fields)
{
Console.WriteLine("FieldName: " + descr.Name);
Console.WriteLine("DBF Type: " + descr.DbaseType);
Console.WriteLine("CLR Type: " + descr.Type);
Console.WriteLine("Length: " + descr.Length);
Console.WriteLine("DecimalCount: " + descr.DecimalCount);
Console.WriteLine("DataAddress: " + descr.DataAddress);
}
var ienum = reader.GetEnumerator();
while (ienum.MoveNext())
{
var objs = (ArrayList)ienum.Current;
foreach (var obj in objs)
Console.WriteLine(obj);
}
Console.WriteLine();
}
/// <summary>
/// Initializes a new instance of the <see cref="DbaseFileEnumerator"/> class.
/// </summary>
/// <param name="parent"></param>
public DbaseFileEnumerator(DbaseFileReader parent)
{
_parent = parent;
var stream = IoManager.File.CreateFileStream(parent._filename, FileMode.Open, FileAccess.Read, FileShare.Read);
_dbfStream = new BinaryReader(stream, parent._header.Encoding);
ReadHeader();
}
/// <summary>
/// Initializes a new instance of the ShapefileDataReader class.
/// </summary>
/// <param name="filename">The shapefile to read (minus the .shp extension)</param>
///<param name="geometryFactory">The GeometryFactory to use.</param>
public ShapefileDataReader(string filename, IGeometryFactory geometryFactory)
{
if (String.IsNullOrEmpty(filename))
{
throw new ArgumentNullException("filename");
}
if (geometryFactory == null)
{
throw new ArgumentNullException("geometryFactory");
}
_open = true;
string dbfFile = Path.ChangeExtension(filename, "dbf");
_dbfReader = new DbaseFileReader(dbfFile);
string shpFile = Path.ChangeExtension(filename, "shp");
_shpReader = new ShapefileReader(shpFile, geometryFactory);
_dbfHeader = _dbfReader.GetHeader();
_recordCount = _dbfHeader.NumRecords;
// copy dbase fields to our own array. Insert into the first position, the shape column
_dbaseFields = new DbaseFieldDescriptor[_dbfHeader.Fields.Length + 1];
_dbaseFields[0] = DbaseFieldDescriptor.ShapeField();
for (int i = 0; i < _dbfHeader.Fields.Length; i++)
{
_dbaseFields[i + 1] = _dbfHeader.Fields[i];
}
_shpHeader = _shpReader.Header;
_dbfEnumerator = _dbfReader.GetEnumerator();
_shpEnumerator = _shpReader.GetEnumerator();
_moreRecords = true;
}
public void ReadDbfDate()
{
string file = Path.Combine(AppDomain.CurrentDomain.BaseDirectory,
string.Format("..{0}..{0}..{0}NetTopologySuite.Samples.Shapefiles{0}date.dbf", Path.DirectorySeparatorChar));
if (!File.Exists(file))
throw new FileNotFoundException("file not found at " + Path.GetDirectoryName(file));
DbaseFileReader reader = new DbaseFileReader(file);
DbaseFileHeader header = reader.GetHeader();
IEnumerator ienum = reader.GetEnumerator();
ienum.MoveNext();
ArrayList items = ienum.Current as ArrayList;
Assert.IsNotNull(items);
Assert.AreEqual(2, items.Count);
foreach (Object item in items)
Assert.IsNotNull(item);
DateTime date = (DateTime)items[1];
Assert.AreEqual(10, date.Day);
Assert.AreEqual(3, date.Month);
Assert.AreEqual(2006, date.Year);
}
/// <summary>
/// Initializes a new instance of the <see cref="DbaseFileEnumerator"/> class.
/// </summary>
/// <param name="parent"></param>
public DbaseFileEnumerator(DbaseFileReader parent)
{
_parent = parent;
Stream stream = parent._streamProvider.OpenRead();
_dbfStream = new BinaryReader(stream, parent._header.Encoding);
ReadHeader();
}
/// <summary>
/// Initializes a new instance of the <see cref="DbaseFileEnumerator"/> class.
/// </summary>
/// <param name="parent"></param>
public DbaseFileEnumerator(DbaseFileReader parent)
{
_parent = parent;
Stream stream = parent._streamProvider.OpenRead();
_dbfStream = new BinaryReader(stream, parent._header.Encoding);
ReadHeader();
}
/// <summary>
/// Initializes a new instance of the <see cref="DbaseFileEnumerator"/> class.
/// </summary>
/// <param name="parent"></param>
public DbaseFileEnumerator(DbaseFileReader parent)
{
_parent = parent;
FileStream stream = new FileStream(parent._filename, FileMode.Open, FileAccess.Read, FileShare.Read);
_dbfStream = new BinaryReader(stream, parent._header.Encoding);
ReadHeader();
}
/// <summary>
/// Initializes a new instance of the <see cref="DbaseFileEnumerator"/> class.
/// </summary>
/// <param name="parent"></param>
public DbaseFileEnumerator(DbaseFileReader parent)
{
_parent = parent;
FileStream stream = new FileStream(parent._filename, FileMode.Open, FileAccess.Read, FileShare.Read);
_dbfStream = new BinaryReader(stream, PlatformUtilityEx.GetDefaultEncoding());
ReadHeader();
}
/// <summary>
/// Initializes a new instance of the <see cref="DbaseFileEnumerator"/> class.
/// </summary>
/// <param name="parent"></param>
public DbaseFileEnumerator(DbaseFileReader parent)
{
_isolatedStorageFile = IsolatedStorageFile.GetUserStoreForApplication();
_parent = parent;
IsolatedStorageFileStream stream = new IsolatedStorageFileStream(parent._filename, FileMode.Open, FileAccess.Read, FileShare.Read, _isolatedStorageFile);
_dbfStream = new BinaryReader(stream, PlatformUtilityEx.GetDefaultEncoding());
ReadHeader();
}
/// <summary>
/// Initializes a new instance of the <see cref="DbaseFileEnumerator"/> class.
/// </summary>
/// <param name="parent"></param>
public DbaseFileEnumerator(DbaseFileReader parent)
{
_isolatedStorageFile = IsolatedStorageFile.GetUserStoreForApplication();
_parent = parent;
IsolatedStorageFileStream stream = new IsolatedStorageFileStream(parent._filename, FileMode.Open, FileAccess.Read, FileShare.Read, _isolatedStorageFile);
_dbfStream = new BinaryReader(stream, PlatformUtilityEx.GetDefaultEncoding());
ReadHeader();
}
public override void Open()
{
if (IsOpened)
throw new Exception(string.Format("Cannot open before to close the resource {0}", Path));
if (string.IsNullOrEmpty(Path))
throw new Exception("Cannot open a null or empty path");
#if USE_SFDR
reader = Shapefile.CreateDataReader(Path, new GeometryFactory());
var s1 = reader.ShapeHeader;
var h = reader.DbaseHeader;
#else
var shpReader = new ShapefileReader(Path);
shpProvider = shpReader.GetEnumerator();
var dbfReader = new DbaseFileReader(IoManager.File.ChangeExtension(Path, ".dbf"));
var h = dbfReader.GetHeader();
dbfProvider = dbfReader.GetEnumerator();
#endif
foreach (var f in h.Fields)
{
var lf = new LayerField();
lf.Name = f.Name;
switch (f.DbaseType)
{
case 'L': // logical data type, one character (T,t,F,f,Y,y,N,n)
lf.FieldType = GisFieldType.GisFieldTypeBoolean;
break;
case 'C': // char or string
lf.FieldType = GisFieldType.GisFieldTypeString;
break;
case 'D': // date
lf.FieldType = GisFieldType.GisFieldTypeDate;
break;
case 'N': // numeric
if (f.DecimalCount > 0)
lf.FieldType = GisFieldType.GisFieldTypeFloat;
else
lf.FieldType = GisFieldType.GisFieldTypeNumber;
break;
case 'F': // double
lf.FieldType = GisFieldType.GisFieldTypeNumber;
break;
default:
throw new NotSupportedException("Do not know how to parse Field type " + f.DbaseType);
}
Fields.Add(lf);
}
}
/// <summary>
/// Initializes a new instance of the ShapefileDataReader class.
/// </summary>
/// <param name="filename">The shapefile to read (minus the .shp extension)</param>
///<param name="geometryFactory">The GeometryFactory to use.</param>
public ShapefileDataReader(string filename, IGeometryFactory geometryFactory)
{
if (filename == null)
{
throw new ArgumentNullException("filename");
}
if (geometryFactory == null)
{
throw new ArgumentNullException("geometryFactory");
}
_open = true;
if (filename.ToLower().EndsWith(".shp"))
{
filename = filename.ToLower().Replace(".shp", String.Empty);
}
_dbfReader = new DbaseFileReader(filename + ".dbf");
_shpReader = new ShapefileReader(filename + ".shp", geometryFactory);
_dbfHeader = _dbfReader.GetHeader();
_recordCount = _dbfHeader.NumRecords;
// copy dbase fields to our own array. Insert into the first position, the shape column
_dbaseFields = new DbaseFieldDescriptor[_dbfHeader.Fields.Length + 1];
_dbaseFields[0] = DbaseFieldDescriptor.ShapeField();
for (int i = 0; i < _dbfHeader.Fields.Length; i++)
{
_dbaseFields[i + 1] = _dbfHeader.Fields[i];
}
_shpHeader = _shpReader.Header;
_dbfEnumerator = _dbfReader.GetEnumerator();
_shpEnumerator = _shpReader.GetEnumerator();
_moreRecords = true;
}
