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Alejandro Isaza
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Oct 2, 2015
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| # Xcode per-user config | ||
| *.mode1 | ||
| *.mode1v3 | ||
| *.mode2v3 | ||
| *.pbxuser | ||
| xcuserdata/ | ||
| *.xccheckout | ||
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| # Object files | ||
| *.o | ||
| *.lo | ||
| .deps/ | ||
| .libs/ |
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| // Copyright © 2015 Venture Media Labs. All rights reserved. | ||
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| import Foundation | ||
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| public class Dataset { | ||
| var id: Int32 = -1 | ||
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| public init(file: File, name: String, datatype: Datatype, dataspace: Dataspace) { | ||
| name.withCString{ name in | ||
| id = H5Dcreate2(file.id, name, datatype.id, dataspace.id, 0, 0, 0) | ||
| } | ||
| guard id >= 0 else { | ||
| fatalError("Failed to create Dataset") | ||
| } | ||
| } | ||
|
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| /// The address in the file of the dataset or `nil` if the offset is undefined. That address is expressed as the offset in bytes from the beginning of the file. | ||
| public var offset: UInt64? { | ||
| let offset = H5Dget_offset(id) | ||
| guard offset != unsafeBitCast(-1, UInt64.self) else { | ||
| return nil | ||
| } | ||
| return offset | ||
| } | ||
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| public var space: Dataspace { | ||
| return Dataspace(id: H5Dget_space(id)) | ||
| } | ||
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| public func read(inout data: [Double]) -> Bool { | ||
| let status = H5Dread(id, H5T_NATIVE_DOUBLE_g, 0, 0, 0, &data) | ||
| return status >= 0 | ||
| } | ||
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| public func write(data: [Double]) -> Bool { | ||
| let status = H5Dwrite(id, H5T_NATIVE_DOUBLE_g, 0, 0, 0, data); | ||
| return status >= 0 | ||
| } | ||
| } |
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| // Copyright © 2015 Venture Media Labs. All rights reserved. | ||
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| import Foundation | ||
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| public class Dataspace { | ||
| var id: Int32 | ||
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| init(id: Int32) { | ||
| self.id = id | ||
| guard id >= 0 else { | ||
| fatalError("Failed to create Dataspace") | ||
| } | ||
| } | ||
|
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| public init(dims: [UInt64]) { | ||
| id = H5Screate_simple(Int32(dims.count), dims, nil) | ||
| guard id >= 0 else { | ||
| fatalError("Failed to create Dataspace") | ||
| } | ||
| } | ||
|
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| deinit { | ||
| let status = H5Sclose(id) | ||
| assert(status >= 0, "Failed to close Dataspace") | ||
| } | ||
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| public var size: Int64 { | ||
| return H5Sget_simple_extent_npoints(id) | ||
| } | ||
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| public var dims: [UInt64] { | ||
| let rank = Int(H5Sget_simple_extent_ndims(id)) | ||
| var dims = [UInt64](count: rank, repeatedValue: UInt64(0)) | ||
| guard H5Sget_simple_extent_dims(id, &dims, nil) >= 0 else { | ||
| fatalError("Coulnd't get the dimensons of the Dataspace") | ||
| } | ||
| return dims | ||
| } | ||
| } |
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| // Copyright © 2015 Venture Media Labs. All rights reserved. | ||
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| import Foundation | ||
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| public class Datatype { | ||
| public enum DataClass: Int32 { | ||
| case NoClass = -1 // error | ||
| case Integer = 0 // integer types | ||
| case Float = 1 // floating-point types | ||
| case Time = 2 // date and time types | ||
| case String = 3 // character string types | ||
| case BitField = 4 // bit field types | ||
| case Opaque = 5 // opaque types | ||
| case Compound = 6 // compound types | ||
| case Reference = 7 // reference types | ||
| case Enum = 8 // enumeration types | ||
| case VarLength = 9 // Variable-Length types | ||
| case Array = 10 // Array types | ||
| } | ||
|
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| public enum NativeType { | ||
| case Byte | ||
| case UByte | ||
| case Short | ||
| case UShort | ||
| case Int | ||
| case UInt | ||
| case Long | ||
| case ULong | ||
| case LongLong | ||
| case ULongLong | ||
| case Float | ||
| case Double | ||
| case LongDouble | ||
| case Int8 | ||
| case UInt8 | ||
| case Int16 | ||
| case UInt16 | ||
| case Int32 | ||
| case UInt32 | ||
| case Int64 | ||
| case UInt64 | ||
| case Opaque | ||
|
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| public var rawValue: Swift.Int32 { | ||
| switch self { | ||
| case Byte: return H5T_NATIVE_SCHAR_g | ||
| case UByte: return H5T_NATIVE_UCHAR_g | ||
| case Short: return H5T_NATIVE_SHORT_g | ||
| case UShort: return H5T_NATIVE_USHORT_g | ||
| case Int: return H5T_NATIVE_INT_g | ||
| case UInt: return H5T_NATIVE_UINT_g | ||
| case Long: return H5T_NATIVE_LONG_g | ||
| case ULong: return H5T_NATIVE_ULONG_g | ||
| case LongLong: return H5T_NATIVE_LLONG_g | ||
| case ULongLong: return H5T_NATIVE_ULLONG_g | ||
| case Float: return H5T_NATIVE_FLOAT_g | ||
| case Double: return H5T_NATIVE_DOUBLE_g | ||
| case LongDouble: return H5T_NATIVE_LDOUBLE_g | ||
| case Int8: return H5T_NATIVE_INT8_g | ||
| case UInt8: return H5T_NATIVE_UINT8_g | ||
| case Int16: return H5T_NATIVE_INT16_g | ||
| case UInt16: return H5T_NATIVE_UINT16_g | ||
| case Int32: return H5T_NATIVE_INT32_g | ||
| case UInt32: return H5T_NATIVE_UINT32_g | ||
| case Int64: return H5T_NATIVE_INT64_g | ||
| case UInt64: return H5T_NATIVE_UINT64_g | ||
| case Opaque: return H5T_NATIVE_OPAQUE_g | ||
| } | ||
| } | ||
| } | ||
|
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| /// Create a Datatype from a class and a size | ||
| public init(dataClass: DataClass, size: Int) { | ||
| id = H5Tcreate(H5T_class_t(dataClass.rawValue), size) | ||
| guard id >= 0 else { | ||
| fatalError("Failed to create Datatype") | ||
| } | ||
| } | ||
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| /// Copies an existing Datatype from a native type | ||
| public class func copy(type: NativeType) -> Datatype { | ||
| let id = H5Tcopy(type.rawValue) | ||
| return Datatype(id: id) | ||
| } | ||
| var id: Int32 | ||
|
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| init(id: Int32) { | ||
| self.id = id | ||
| guard id >= 0 else { | ||
| fatalError("Failed to create Datatype") | ||
| } | ||
| } | ||
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| deinit { | ||
| let status = H5Tclose(id) | ||
| assert(status >= 0, "Failed to close Datatype") | ||
| } | ||
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| public enum Order: Int32 { | ||
| case Error = -1 | ||
| case LittleEndian = 0 | ||
| case BigEndian = 1 | ||
| case Vax = 2 | ||
| case Mixed = 3 | ||
| case Nonde = 4 | ||
| } | ||
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| /// The byte order of the Datatype | ||
| public var order: Order { | ||
| get { | ||
| return Order(rawValue: H5Tget_order(id).rawValue)! | ||
| } | ||
| set { | ||
| H5Tset_order(id, H5T_order_t(newValue.rawValue)) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,55 @@ | ||
| // Copyright © 2015 Venture Media Labs. All rights reserved. | ||
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| import Foundation | ||
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| public class File { | ||
| public enum CreateMode: UInt32 { | ||
| case Truncate = 0x02 // Overwrite existing files | ||
| case Exclusive = 0x04 // Fail if file already exists | ||
| } | ||
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| public class func create(filePath: String, mode: CreateMode) -> File? { | ||
| var id: Int32 = -1 | ||
| filePath.withCString { filePath in | ||
| id = H5Fcreate(filePath, mode.rawValue, 0, 0) | ||
| } | ||
| guard id >= 0 else { | ||
| return nil | ||
| } | ||
| return File(id: id) | ||
| } | ||
|
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| public enum OpenMode: UInt32 { | ||
| case ReadOnly = 0x00 | ||
| case ReadWrite = 0x01 | ||
| } | ||
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| public class func open(filePath: String, mode: OpenMode) -> File? { | ||
| var id: Int32 = -1 | ||
| filePath.withCString { filePath in | ||
| id = H5Fopen(filePath, mode.rawValue, 0) | ||
| } | ||
| guard id >= 0 else { | ||
| return nil | ||
| } | ||
| return File(id: id) | ||
| } | ||
|
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| var id: Int32 = -1 | ||
|
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| init(id: Int32) { | ||
| self.id = id | ||
| guard id >= 0 else { | ||
| fatalError("Failed to create Dataspace") | ||
| } | ||
| } | ||
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| deinit { | ||
| let status = H5Fclose(id) | ||
| assert(status >= 0, "Failed to close HDF5 file") | ||
| } | ||
|
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| public func flush() { | ||
| H5Fflush(id, H5F_SCOPE_LOCAL) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,19 +1,29 @@ | ||
| // | ||
| // HDF5.h | ||
| // HDF5 | ||
| // | ||
| // Created by Alejandro Isaza on 2015-10-01. | ||
| // Copyright © 2015 Venture Media Labs. All rights reserved. | ||
| // | ||
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| #import <Cocoa/Cocoa.h> | ||
| #import <Foundation/Foundation.h> | ||
|
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| //! Project version number for HDF5. | ||
| FOUNDATION_EXPORT double HDF5VersionNumber; | ||
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| //! Project version string for HDF5. | ||
| FOUNDATION_EXPORT const unsigned char HDF5VersionString[]; | ||
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| // In this header, you should import all the public headers of your framework using statements like #import <HDF5/PublicHeader.h> | ||
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| #import <HDF5/H5Apublic.h> | ||
| #import <HDF5/H5ACpublic.h> | ||
| #import <HDF5/H5Bpublic.h> | ||
| #import <HDF5/H5B2public.h> | ||
| #import <HDF5/H5Dpublic.h> | ||
| #import <HDF5/H5Epublic.h> | ||
| #import <HDF5/H5Fpublic.h> | ||
| #import <HDF5/H5FDpublic.h> | ||
| #import <HDF5/H5FSpublic.h> | ||
| #import <HDF5/H5Gpublic.h> | ||
| #import <HDF5/H5HFpublic.h> | ||
| #import <HDF5/H5HGpublic.h> | ||
| #import <HDF5/H5HLpublic.h> | ||
| #import <HDF5/H5MMpublic.h> | ||
| #import <HDF5/H5Ppublic.h> | ||
| #import <HDF5/H5PLpublic.h> | ||
| #import <HDF5/H5Rpublic.h> | ||
| #import <HDF5/H5Spublic.h> | ||
| #import <HDF5/H5Zpublic.h> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,36 +1,51 @@ | ||
| // | ||
| // HDF5Tests.swift | ||
| // HDF5Tests | ||
| // | ||
| // Created by Alejandro Isaza on 2015-10-01. | ||
| // Copyright © 2015 Venture Media Labs. All rights reserved. | ||
| // | ||
|
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| import XCTest | ||
| @testable import HDF5 | ||
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| class HDF5Tests: XCTestCase { | ||
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| override func setUp() { | ||
| super.setUp() | ||
| // Put setup code here. This method is called before the invocation of each test method in the class. | ||
| } | ||
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| override func tearDown() { | ||
| // Put teardown code here. This method is called after the invocation of each test method in the class. | ||
| super.tearDown() | ||
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| var filePath: String { | ||
| let fileName = NSProcessInfo.processInfo().globallyUniqueString + ".hdf" | ||
| return NSTemporaryDirectory() + "/" + fileName | ||
| } | ||
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| func testExample() { | ||
| // This is an example of a functional test case. | ||
| // Use XCTAssert and related functions to verify your tests produce the correct results. | ||
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| func testCreateDataset() { | ||
| guard let file = File.create(filePath, mode: .Truncate) else { | ||
| XCTFail("Failed to create file") | ||
| return | ||
| } | ||
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| let dims: [UInt64] = [100, 100] | ||
| let dataspace = Dataspace(dims: dims) | ||
| XCTAssertEqual(dataspace.size, 100*100) | ||
| XCTAssertEqual(dataspace.dims, dims) | ||
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| let datatype = Datatype.copy(.Double) | ||
| datatype.order = .LittleEndian | ||
| let dataset = Dataset(file: file, name: "MyData", datatype: datatype, dataspace: dataspace) | ||
| XCTAssertNil(dataset.offset) | ||
| } | ||
| func testPerformanceExample() { | ||
| // This is an example of a performance test case. | ||
| self.measureBlock { | ||
| // Put the code you want to measure the time of here. | ||
|
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| func testWriteRead() { | ||
| guard let file = File.create(filePath, mode: .Truncate) else { | ||
| XCTFail("Failed to create file") | ||
| return | ||
| } | ||
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| let dims: [UInt64] = [10, 10] | ||
| let dataspace = Dataspace(dims: dims) | ||
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| let datatype = Datatype.copy(.Double) | ||
| datatype.order = .LittleEndian | ||
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| let writtenData = (0..<10*10).map{ _ in return Double(arc4random()) / Double(UINT32_MAX) } | ||
| let dataset = Dataset(file: file, name: "MyData", datatype: datatype, dataspace: dataspace) | ||
| XCTAssert(dataset.write(writtenData)) | ||
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| var readData = [Double](count: 10*10, repeatedValue: 0.0) | ||
| XCTAssert(dataset.read(&readData)) | ||
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| XCTAssertEqual(writtenData, readData) | ||
| } | ||
|
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| } |