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Add an OID type

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This commit is contained in:
Matt Diephouse 2014-11-18 20:48:28 -05:00
parent 5ff753efec
commit 692a103ca7
3 changed files with 102 additions and 0 deletions
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8
SwiftGit2.xcodeproj/project.pbxproj
View File

@ -15,6 +15,8 @@
BE244A4E1A11707D00F8BE42 /* git2.h in Headers */ = {isa = PBXBuildFile; fileRef = BEB31F9B1A0E581400F525B9 /* git2.h */; settings = {ATTRIBUTES = (Public, ); }; };
BE244A501A11709600F8BE42 /* git2 in Resources */ = {isa = PBXBuildFile; fileRef = BE244A4F1A11709600F8BE42 /* git2 */; };
BE244A511A11709E00F8BE42 /* git2 in Copy libgit2 Headers */ = {isa = PBXBuildFile; fileRef = BE244A4F1A11709600F8BE42 /* git2 */; };
BE70B3E51A1ACB1A002C3F4E /* OID.swift in Sources */ = {isa = PBXBuildFile; fileRef = BE70B3E41A1ACB1A002C3F4E /* OID.swift */; };
BE70B3E71A1ACB37002C3F4E /* OIDSpec.swift in Sources */ = {isa = PBXBuildFile; fileRef = BE70B3E61A1ACB37002C3F4E /* OIDSpec.swift */; };
BEB31F291A0D6F7A00F525B9 /* SwiftGit2.h in Headers */ = {isa = PBXBuildFile; fileRef = BEB31F281A0D6F7A00F525B9 /* SwiftGit2.h */; settings = {ATTRIBUTES = (Public, ); }; };
BEB31F2F1A0D6F7A00F525B9 /* SwiftGit2.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = BEB31F231A0D6F7A00F525B9 /* SwiftGit2.framework */; };
BEB31F361A0D6F7A00F525B9 /* RepositorySpec.swift in Sources */ = {isa = PBXBuildFile; fileRef = BEB31F351A0D6F7A00F525B9 /* RepositorySpec.swift */; };
@ -64,6 +66,8 @@
BE14AA581A1996B70015B439 /* FixturesSpec.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = FixturesSpec.swift; sourceTree = "<group>"; };
BE244A4F1A11709600F8BE42 /* git2 */ = {isa = PBXFileReference; lastKnownFileType = folder; name = git2; path = External/libgit2/include/git2; sourceTree = "<group>"; };
BE244A521A117DA100F8BE42 /* SwiftGit2.modulemap */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = "sourcecode.module-map"; path = SwiftGit2.modulemap; sourceTree = "<group>"; };
BE70B3E41A1ACB1A002C3F4E /* OID.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = OID.swift; sourceTree = "<group>"; };
BE70B3E61A1ACB37002C3F4E /* OIDSpec.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = OIDSpec.swift; sourceTree = "<group>"; };
BEB31F231A0D6F7A00F525B9 /* SwiftGit2.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = SwiftGit2.framework; sourceTree = BUILT_PRODUCTS_DIR; };
BEB31F271A0D6F7A00F525B9 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
BEB31F281A0D6F7A00F525B9 /* SwiftGit2.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = SwiftGit2.h; sourceTree = "<group>"; };
@ -157,6 +161,7 @@
children = (
BEB31F281A0D6F7A00F525B9 /* SwiftGit2.h */,
BE14AA4F1A1974010015B439 /* SwiftGit2.m */,
BE70B3E41A1ACB1A002C3F4E /* OID.swift */,
BEB31F6C1A0D78F300F525B9 /* Repository.swift */,
BEB31F261A0D6F7A00F525B9 /* Supporting Files */,
);
@ -176,6 +181,7 @@
isa = PBXGroup;
children = (
BE14AA531A1983520015B439 /* Fixtures */,
BE70B3E61A1ACB37002C3F4E /* OIDSpec.swift */,
BEB31F351A0D6F7A00F525B9 /* RepositorySpec.swift */,
BE14AA581A1996B70015B439 /* FixturesSpec.swift */,
BEB31F331A0D6F7A00F525B9 /* Supporting Files */,
@ -425,6 +431,7 @@
isa = PBXSourcesBuildPhase;
buildActionMask = 2147483647;
files = (
BE70B3E51A1ACB1A002C3F4E /* OID.swift in Sources */,
BEB31F6D1A0D78F300F525B9 /* Repository.swift in Sources */,
BE14AA501A1974010015B439 /* SwiftGit2.m in Sources */,
);
@ -437,6 +444,7 @@
BEB31F361A0D6F7A00F525B9 /* RepositorySpec.swift in Sources */,
BE14AA591A1996B70015B439 /* FixturesSpec.swift in Sources */,
BE14AA551A1984550015B439 /* Fixtures.swift in Sources */,
BE70B3E71A1ACB37002C3F4E /* OIDSpec.swift in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};

52
SwiftGit2/OID.swift Normal file
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@ -0,0 +1,52 @@
//
// OID.swift
// SwiftGit2
//
// Created by Matt Diephouse on 11/17/14.
// Copyright (c) 2014 GitHub, Inc. All rights reserved.
//
import Foundation
import LlamaKit
/// An identifier for a Git object.
public struct OID {
// MARK: - Initializers
/// Create an instance from a hex formatted string.
///
/// string - A 40-byte hex formatted string.
public init?(string: String) {
// libgit2 doesn't enforce a maximum length
if (string.lengthOfBytesUsingEncoding(NSASCIIStringEncoding) > 40) {
return nil
}
let pointer = UnsafeMutablePointer<git_oid>.alloc(1)
let result = git_oid_fromstr(pointer, string.cStringUsingEncoding(NSASCIIStringEncoding)!)
if result < GIT_OK.value {
pointer.dealloc(1)
return nil;
}
oid = pointer.memory;
pointer.dealloc(1)
}
// MARK: - Properties
public let oid: git_oid
}
extension OID: Printable {
public var description: String {
let length = Int(GIT_OID_RAWSZ) * 2
let string = UnsafeMutablePointer<Int8>.alloc(length)
var oid = self.oid
git_oid_fmt(string, &oid)
return String(bytesNoCopy: string, length: length, encoding: NSASCIIStringEncoding, freeWhenDone: true)!
}
}

42
SwiftGit2Tests/OIDSpec.swift Normal file
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@ -0,0 +1,42 @@
//
// OIDSpec.swift
// SwiftGit2
//
// Created by Matt Diephouse on 11/17/14.
// Copyright (c) 2014 GitHub, Inc. All rights reserved.
//
import LlamaKit
import SwiftGit2
import Nimble
import Quick
class OIDSpec: QuickSpec {
override func spec() {
describe("init(string:)") {
it("should be nil if string is too short") {
expect(OID(string: "123456789012345678901234567890123456789")).to(beNil())
}
it("should be nil if string is too long") {
expect(OID(string: "12345678901234567890123456789012345678901")).to(beNil())
}
it("should not be nil if string is just right") {
expect(OID(string: "1234567890123456789012345678901234567890")).notTo(beNil())
}
it("should be nil with non-hex characters") {
expect(OID(string: "123456789012345678901234567890123456789j")).to(beNil())
}
}
describe("description") {
it("should return the SHA") {
let SHA = "1234567890123456789012345678901234567890"
let oid = OID(string: SHA)!
expect(oid.description).to(equal(SHA))
}
}
}
}