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C# Path.GetDirectoryName的代码示例

通过代码示例来学习C# Path.GetDirectoryName方法

通过代码示例来学习编程是非常高效的。
1. 代码示例提供了一个具体而直观的学习环境，使初学者能够立即看到编程概念和语法的实际应用。
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3. 代码实例往往涵盖了多种编程技巧和最佳实践，通过学习和模仿这些实例，学习者可以逐步掌握如何编写高效、可读性强和可维护的代码。这对于初学者来说，是一种快速提升编程水平的有效途径。


Path.GetDirectoryName是C#的System.IO命名空间下中的一个方法, 小编为大家找了一些网络大拿们常见的代码示例，源码中的Path.GetDirectoryName() 已经帮大家高亮显示了，大家可以重点学习Path.GetDirectoryName() 方法的写法，从而快速掌握该方法的应用。

Path.GetDirectoryName的代码示例1 - Initialize()

    using System.IO;

        public virtual void Initialize()
        {
            string folderPath = Path.GetDirectoryName(this.databasePath);
            this.fileSystem.CreateDirectory(folderPath);

            using (SqliteConnection connection = new SqliteConnection(this.sqliteConnectionString))
            {
                connection.Open();

                using (SqliteCommand pragmaWalCommand = connection.CreateCommand())
                {
                    // Advantages of using WAL ("Write-Ahead Log")
                    // 1. WAL is significantly faster in most scenarios.
                    // 2. WAL provides more concurrency as readers do not block writers and a writer does not block readers.
                    //    Reading and writing can proceed concurrently.
                    // 3. Disk I/O operations tends to be more sequential using WAL.
                    // 4. WAL uses many fewer fsync() operations and is thus less vulnerable to problems on systems
                    //    where the fsync() system call is broken.
                    // http://www.sqlite.org/wal.html
                    pragmaWalCommand.CommandText = $"PRAGMA journal_mode=WAL;";
                    pragmaWalCommand.ExecuteNonQuery();
                }

                using (SqliteCommand pragmaCacheSizeCommand = connection.CreateCommand())
                {
                    // If the argument N is negative, then the number of cache pages is adjusted to use approximately abs(N*1024) bytes of memory
                    // -40000 => 40,000 * 1024 bytes => ~39MB
                    pragmaCacheSizeCommand.CommandText = $"PRAGMA cache_size=-40000;";
                    pragmaCacheSizeCommand.ExecuteNonQuery();
                }

                EventMetadata databaseMetadata = this.CreateEventMetadata();

                using (SqliteCommand userVersionCommand = connection.CreateCommand())
                {
                    // The user_version pragma will to get or set the value of the user-version integer at offset 60 in the database header.
                    // The user-version is an integer that is available to applications to use however they want. SQLite makes no use of the user-version itself.
                    // https://sqlite.org/pragma.html#pragma_user_version
                    userVersionCommand.CommandText = $"PRAGMA user_version;";

                    object userVersion = userVersionCommand.ExecuteScalar();

                    if (userVersion == null || Convert.ToInt64(userVersion) < 1)
                    {
                        userVersionCommand.CommandText = $"PRAGMA user_version=1;";
                        userVersionCommand.ExecuteNonQuery();
                        this.tracer.RelatedInfo($"{nameof(BlobSize)}.{nameof(this.Initialize)}: setting user_version to 1");
                    }
                    else
                    {
                        databaseMetadata.Add("user_version", Convert.ToInt64(userVersion));
                    }
                }

                using (SqliteCommand pragmaSynchronousCommand = connection.CreateCommand())
                {
                    // GVFS uses the default value (FULL) to reduce the risks of corruption
                    // http://www.sqlite.org/pragma.html#pragma_synchronous
                    // (Note: This call is to retrieve the value of 'synchronous' and log it)
                    pragmaSynchronousCommand.CommandText = $"PRAGMA synchronous;";
                    object synchronous = pragmaSynchronousCommand.ExecuteScalar();
                    if (synchronous != null)
                    {
                        databaseMetadata.Add("synchronous", Convert.ToInt64(synchronous));
                    }
                }

                this.tracer.RelatedEvent(EventLevel.Informational, $"{nameof(BlobSize)}_{nameof(this.Initialize)}_db_settings", databaseMetadata);

                using (SqliteCommand createTableCommand = connection.CreateCommand())
                {
                    // Use a BLOB for sha rather than a string to reduce the size of the database
                    createTableCommand.CommandText = @"CREATE TABLE IF NOT EXISTS [BlobSizes] (sha BLOB, size INT, PRIMARY KEY (sha));";
                    createTableCommand.ExecuteNonQuery();
                }
            }

            this.flushDataThread = new Thread(this.FlushDbThreadMain);
            this.flushDataThread.IsBackground = true;
            this.flushDataThread.Start();
        }
    

开发者ID:microsoft，项目名称:VFSForGit，代码行数:83，代码来源:BlobSizes.cs

在Initialize()方法中，Path的代码示例类中的GetDirectoryName的代码示例方法一共出现了1次， 见黄色背景高亮显示的地方，欢迎大家点赞

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Path.GetDirectoryName的代码示例2 - CloneWithLocalCachePathWithinSrc()

    using System.IO;

        [TestCase]
        public void CloneWithLocalCachePathWithinSrc()
        {
            string newEnlistmentRoot = GVFSFunctionalTestEnlistment.GetUniqueEnlistmentRoot();

            ProcessStartInfo processInfo = new ProcessStartInfo(GVFSTestConfig.PathToGVFS);
            processInfo.Arguments = $"clone {Properties.Settings.Default.RepoToClone} {newEnlistmentRoot} --local-cache-path {Path.Combine(newEnlistmentRoot, "src", ".gvfsCache")}";
            processInfo.WindowStyle = ProcessWindowStyle.Hidden;
            processInfo.CreateNoWindow = true;
            processInfo.WorkingDirectory = Path.GetDirectoryName(this.Enlistment.EnlistmentRoot);
            processInfo.UseShellExecute = false;
            processInfo.RedirectStandardOutput = true;

            ProcessResult result = ProcessHelper.Run(processInfo);
            result.ExitCode.ShouldEqual(GVFSGenericError);
            result.Output.ShouldContain("'--local-cache-path' cannot be inside the src folder");
        }
    

开发者ID:microsoft，项目名称:VFSForGit，代码行数:19，代码来源:CloneTests.cs

在CloneWithLocalCachePathWithinSrc()方法中，Path的代码示例类中的GetDirectoryName的代码示例方法一共出现了1次， 见黄色背景高亮显示的地方，欢迎大家点赞

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Path.GetDirectoryName的代码示例3 - DirectoryExists()

    using System.IO;

        public override bool DirectoryExists(string path)
        {
            string parentDirectory = Path.GetDirectoryName(path);
            string targetName = Path.GetFileName(path);

            string output = this.RunProcess(string.Format("/C dir /A:d /B {0}", parentDirectory));
            string[] directories = output.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);

            foreach (string directory in directories)
            {
                if (directory.Equals(targetName, FileSystemHelpers.PathComparison))
                {
                    return true;
                }
            }

            return false;
        }
    

开发者ID:microsoft，项目名称:VFSForGit，代码行数:20，代码来源:CmdRunner.cs

在DirectoryExists()方法中，Path的代码示例类中的GetDirectoryName的代码示例方法一共出现了1次， 见黄色背景高亮显示的地方，欢迎大家点赞

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Path.GetDirectoryName的代码示例4 - Execute()

    using System.IO;

        public override bool Execute()
        {
            string templateFilePath = this.Template.ItemSpec;
            IDictionary properties = ParseProperties(this.Template.GetMetadata("Properties"));

            string outputFileDirectory = Path.GetDirectoryName(this.OutputFile);

            if (!File.Exists(templateFilePath))
            {
                this.Log.LogError("Failed to find template file '{0}'.", templateFilePath);
                return false;
            }

            // Copy the template to the destination to keep the same file mode bits/ACLs as the template
            File.Copy(templateFilePath, this.OutputFile, true);

            this.Log.LogMessage(MessageImportance.Low, "Reading template contents");
            string template = File.ReadAllText(this.OutputFile);

            this.Log.LogMessage(MessageImportance.Normal, "Compiling template '{0}'", templateFilePath);
            string compiled = Compile(template, properties);

            if (!Directory.Exists(outputFileDirectory))
            {
                this.Log.LogMessage(MessageImportance.Low, "Creating output directory '{0}'", outputFileDirectory);
                Directory.CreateDirectory(outputFileDirectory);
            }

            this.Log.LogMessage(MessageImportance.Normal, "Writing compiled template to '{0}'", this.OutputFile);
            File.WriteAllText(this.OutputFile, compiled);

            this.CompiledTemplate = new TaskItem(this.OutputFile, this.Template.CloneCustomMetadata());

            return true;
        }
    

开发者ID:microsoft，项目名称:VFSForGit，代码行数:37，代码来源:CompileTemplatedFile.cs

在Execute()方法中，Path的代码示例类中的GetDirectoryName的代码示例方法一共出现了1次， 见黄色背景高亮显示的地方，欢迎大家点赞

点赞(3) 不喜欢(2)

Path.GetDirectoryName的代码示例5 - FlushStagedQueues()

    using System.IO;

        private void FlushStagedQueues()
        {
            using (ITracer activity = this.tracer.StartActivity("FlushStagedQueues", EventLevel.Informational))
            {
                HashSet deletedDirectories =
                    new HashSet(
                        this.stagedDirectoryOperations
                        .Where(d => d.Operation == DiffTreeResult.Operations.Delete)
                        .Select(d => d.TargetPath.TrimEnd(Path.DirectorySeparatorChar)),
                        GVFSPlatform.Instance.Constants.PathComparer);

                foreach (DiffTreeResult result in this.stagedDirectoryOperations)
                {
                    string parentPath = Path.GetDirectoryName(result.TargetPath.TrimEnd(Path.DirectorySeparatorChar));
                    if (deletedDirectories.Contains(parentPath))
                    {
                        if (result.Operation != DiffTreeResult.Operations.Delete)
                        {
                            EventMetadata metadata = new EventMetadata();
                            metadata.Add(nameof(result.TargetPath), result.TargetPath);
                            metadata.Add(TracingConstants.MessageKey.WarningMessage, "An operation is intended to go inside of a deleted folder");
                            activity.RelatedError("InvalidOperation", metadata);
                        }
                    }
                    else
                    {
                        this.DirectoryOperations.Enqueue(result);
                    }
                }

                foreach (string filePath in this.stagedFileDeletes)
                {
                    string parentPath = Path.GetDirectoryName(filePath);
                    if (!deletedDirectories.Contains(parentPath))
                    {
                        this.FileDeleteOperations.Enqueue(filePath);
                    }
                }

                this.RequiredBlobs.CompleteAdding();
            }
        }
    

开发者ID:microsoft，项目名称:VFSForGit，代码行数:44，代码来源:DiffHelper.cs

在FlushStagedQueues()方法中，Path的代码示例类中的GetDirectoryName的代码示例方法一共出现了2次， 见黄色背景高亮显示的地方，欢迎大家点赞

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Path.GetDirectoryName的代码示例6 - TryFindNewBlobSizesRoot()

    using System.IO;

        private bool TryFindNewBlobSizesRoot(ITracer tracer, string enlistmentRoot, out string newBlobSizesRoot)
        {
            newBlobSizesRoot = null;

            string localCacheRoot;
            string error;
            if (!RepoMetadata.Instance.TryGetLocalCacheRoot(out localCacheRoot, out error))
            {
                tracer.RelatedError($"{nameof(DiskLayout13to14Upgrade_BlobSizes)}.{nameof(this.TryFindNewBlobSizesRoot)}: Could not read local cache root from repo metadata: {error}");
                return false;
            }

            if (localCacheRoot == string.Empty)
            {
                // This is an old repo that was cloned prior to the shared cache
                // Blob sizes root should be \.gvfs\databases\blobSizes
                newBlobSizesRoot = Path.Combine(enlistmentRoot, GVFSPlatform.Instance.Constants.DotGVFSRoot, GVFSConstants.DotGVFS.Databases.Name, GVFSEnlistment.BlobSizesCacheName);
            }
            else
            {
                // This repo was cloned with a shared cache, and the blob sizes should be a sibling to the git objects root
                string gitObjectsRoot;
                if (!RepoMetadata.Instance.TryGetGitObjectsRoot(out gitObjectsRoot, out error))
                {
                    tracer.RelatedError($"{nameof(DiskLayout13to14Upgrade_BlobSizes)}.{nameof(this.TryFindNewBlobSizesRoot)}: Could not read git object root from repo metadata: {error}");
                    return false;
                }

                string cacheRepoFolder = Path.GetDirectoryName(gitObjectsRoot);
                newBlobSizesRoot = Path.Combine(cacheRepoFolder, GVFSEnlistment.BlobSizesCacheName);
            }

            return true;
        }
    

开发者ID:microsoft，项目名称:VFSForGit，代码行数:36，代码来源:DiskLayout13to14Upgrade_BlobSizes.cs

在TryFindNewBlobSizesRoot()方法中，Path的代码示例类中的GetDirectoryName的代码示例方法一共出现了1次， 见黄色背景高亮显示的地方，欢迎大家点赞

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Path.GetDirectoryName的代码示例7 - CreateAndConfigureProgramDataDirectories()

    using System.IO;

        private void CreateAndConfigureProgramDataDirectories()
        {
            string serviceDataRootPath = Path.GetDirectoryName(this.serviceDataLocation);

            DirectorySecurity serviceDataRootSecurity = this.GetServiceDirectorySecurity(serviceDataRootPath);

            // Create GVFS.Service related directories (if they don't already exist)
            Directory.CreateDirectory(serviceDataRootPath, serviceDataRootSecurity);
            Directory.CreateDirectory(this.serviceDataLocation, serviceDataRootSecurity);

            // Ensure the ACLs are set correctly on any files or directories that were already created (e.g. after upgrading VFS4G)
            Directory.SetAccessControl(serviceDataRootPath, serviceDataRootSecurity);

            // Special rules for the Service.UI logs, as non-elevated users need to be be able to write
            this.CreateAndConfigureLogDirectory(GVFSPlatform.Instance.GetLogsDirectoryForGVFSComponent(GVFSConstants.Service.UIName));
        }
    

开发者ID:microsoft，项目名称:VFSForGit，代码行数:18，代码来源:GVFSService.Windows.cs

在CreateAndConfigureProgramDataDirectories()方法中，Path的代码示例类中的GetDirectoryName的代码示例方法一共出现了1次， 见黄色背景高亮显示的地方，欢迎大家点赞

点赞(3) 不喜欢(2)

Path.GetDirectoryName的代码示例8 - Execute()

    using System.IO;

        public override bool Execute()
        {
            this.Log.LogMessage(MessageImportance.Normal,
                "Creating GVFS constants file with minimum Git version '{0}' at '{1}'...",
                this.MinimumGitVersion, this.OutputFile);

            if (!TryParseVersion(this.MinimumGitVersion, out var version))
            {
                this.Log.LogError("Failed to parse Git version '{0}'.", this.MinimumGitVersion);
                return false;
            }

            string outputDirectory = Path.GetDirectoryName(this.OutputFile);
            if (!Directory.Exists(outputDirectory))
            {
                Directory.CreateDirectory(outputDirectory);
            }

            string template =
@"//
// This file is auto-generated by Scalar.Build.GenerateScalarConstants.
// Any changes made directly in this file will be lost.
//
using GVFS.Common.Git;

namespace GVFS.Common
{{
    public static partial class GVFSConstants
    {{
        public static readonly GitVersion SupportedGitVersion = new GitVersion({0}, {1}, {2}, ""{3}"", {4}, {5});
        public const string LibGit2LibraryName = ""{6}"";
    }}
}}";

            File.WriteAllText(
                this.OutputFile,
                string.Format(
                    template,
                    version.Major,
                    version.Minor,
                    version.Build,
                    version.Platform,
                    version.Revision,
                    version.MinorRevision,
                    this.LibGit2FileName));

            return true;
        }
    

开发者ID:microsoft，项目名称:VFSForGit，代码行数:50，代码来源:GenerateGVFSConstants.cs

在Execute()方法中，Path的代码示例类中的GetDirectoryName的代码示例方法一共出现了1次， 见黄色背景高亮显示的地方，欢迎大家点赞

点赞(3) 不喜欢(2)

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