mirror of
https://github.com/inthehand/32feet.git
synced 2026-10-21 08:20:19 +08:00
Peter Freeman Foot
329 lines
15 KiB
C#
329 lines
15 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using Microsoft.TeamFoundation.Client;
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using Microsoft.TeamFoundation.VersionControl.Client;
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using Microsoft.TeamFoundation.VersionControl.Common;
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using System.IO;
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using Microsoft.TeamFoundation;
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namespace ConsoleMenuTesting
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{
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partial class BluetoothTesting
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{
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[MenuItem]
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public void TfsProjectDiff()
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{
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TfsProjectDiff(new string[0]);
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}
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void TfsProjectDiff(string[] args)
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{
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// Figure out the workspace information based on the local cache.
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WorkspaceInfo wsInfo = Workstation.Current.GetLocalWorkspaceInfo(Environment.CurrentDirectory);
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if (wsInfo == null) {
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Console.Error.WriteLine("The current directory is not mapped.");
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Environment.Exit(1);
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}
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// Now we can get to the workspace.
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TeamFoundationServer tfs = new TeamFoundationServer(wsInfo.ServerUri.AbsoluteUri,
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new System.Net.NetworkCredential(@"snd\alanjmcf_cp", "acpsbjorg"));
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tfs.Authenticate();
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Workspace workspace = wsInfo.GetWorkspace(tfs);
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try {
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// Display the differences for the current directory and all of its descendants
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// (fully recursive).
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if (args.Length == 0) {
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// Display the differences between what's in the workspace compared to latest.
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DisplayCurrentDiff(workspace);
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} else {
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// Display the differences between the two specified versions.
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if (args.Length != 2) {
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Console.Error.WriteLine("Usage: projectdiff <versionspec> <versionspec>");
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Console.Error.WriteLine("Example: projectdiff D04/06/06 T");
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Console.Error.WriteLine(" compare midnight April 6, 2006 and latest");
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Console.Error.WriteLine("Example: projectdiff W T");
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Console.Error.WriteLine(" compare what's in the workspace to latest");
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Environment.Exit(1);
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}
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// Parse the
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VersionSpec version1 = ParseVersionSpec(args[0], workspace);
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VersionSpec version2 = ParseVersionSpec(args[1], workspace);
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DisplayVersionDiff(workspace, version1, version2);
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}
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} catch (TeamFoundationServerException e) {
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// If something goes wrong, such as not having access to the server, display
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// the appropriate error message.
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Console.Error.WriteLine(e.Message);
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Environment.Exit(1);
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}
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}
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// This approach uses the same call that Source Control Explorer uses.
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static void DisplayCurrentDiff(Workspace workspace)
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{
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// Let's get a list of the files and folders from the server. The ExtendedItem
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// contains information about which version is in the workspace and the latest version
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// on the server.
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// You would want to use this approach if you wanted to display the type of
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// information available in the Source Control Explorer.
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ItemSpec[] querySpec = new ItemSpec[] { new ItemSpec(Environment.CurrentDirectory,
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RecursionType.Full) };
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ExtendedItem[] items = workspace.GetExtendedItems(querySpec, DeletedState.NonDeleted,
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ItemType.Any)[0];
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// Now let's display what we know about each item.
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DisplayHeader("Files and folders that are at the latest versions:");
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foreach (ExtendedItem item in items) {
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if (item.IsLatest) {
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DisplayExtendedItem(item, workspace);
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}
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}
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DisplayHeader("Files and folders that are out of date:");
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foreach (ExtendedItem item in items) {
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if (item.IsInWorkspace && !item.IsLatest) {
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DisplayExtendedItem(item, workspace);
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}
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}
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DisplayHeader("Files and folders not in the workspace:");
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foreach (ExtendedItem item in items) {
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if (!item.IsInWorkspace) {
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DisplayExtendedItem(item, workspace);
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}
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}
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Console.WriteLine();
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}
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// Displays change and path information from the ExtendedItem.
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static void DisplayExtendedItem(ExtendedItem item, Workspace workspace)
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{
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Console.Write(" ");
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// Indicate whether someone else has a pending change on this file or folder. The
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// ExtendedItem doesn't contain the list of users with pending changes on this file.
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// For that information, we'd need to call QueryPendingSets() in addition to
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// GetExtendedItems() and join the two together via the item ID.
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if (item.HasOtherPendingChange) {
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Console.Write("^ ");
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}
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// Show the lock information if someone has locked the file or folder.
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if (item.LockStatus != LockLevel.None) {
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Console.Write("[{0},{1}] ",
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PendingChange.GetLocalizedStringForLockLevel(item.LockStatus),
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item.LockOwner);
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}
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// If there is a change pending on the item in the current workspace, display it.
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if (item.ChangeType != ChangeType.None) {
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Console.Write("({0}) ", PendingChange.GetLocalizedStringForChangeType(item.ChangeType));
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}
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// Display the local path.
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if (!item.IsInWorkspace) {
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// Get the mapping so that we can determine its local path or that it is cloaked.
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WorkingFolder wf = workspace.TryGetWorkingFolderForServerItem(item.TargetServerItem);
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// Let's skip cloaked items, since the user doesn't want them.
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if (!wf.IsCloaked) {
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Console.WriteLine(wf.LocalItem);
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}
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} else {
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Console.WriteLine(item.LocalItem);
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}
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}
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// This approach compares two different versions of the tree. When version1 is W
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// (the workspace version spec) and version2 is T (tip/latest), the results will be
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// be equivalent to the other approach (we get some different properties).
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static void DisplayVersionDiff(Workspace workspace, VersionSpec version1,
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VersionSpec version2)
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{
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// We need the list of items at the specified versions. This call only gets
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// information about the versions that have been checked in and does not include
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// any pending changes. As a result, it does not return pending adds, branches,
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// and undeletes.
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ItemSet itemSet1 = workspace.VersionControlServer.GetItems(Environment.CurrentDirectory,
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version1, RecursionType.Full);
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ItemSet itemSet2 = workspace.VersionControlServer.GetItems(Environment.CurrentDirectory,
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version2, RecursionType.Full);
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Item[] items1 = itemSet1.Items;
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Item[] items2 = itemSet2.Items;
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// Build hash tables of the items so that we can quickly determine which items
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// are common. Every item in the repository is assigned a unique item ID.
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// The item ID never changes, even though the item's path (item.ServerItem) may
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// change due to being renamed or moved.
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Dictionary<int, Item> itemHash1 = CreateHash(items1);
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Dictionary<int, Item> itemHash2 = CreateHash(items2);
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// Show items that are the same.
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DisplayHeader("Same:");
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foreach (Item item in itemHash1.Values) {
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Item item2;
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if (itemHash2.TryGetValue(item.ItemId, out item2) &&
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item2.ChangesetId == item.ChangesetId) {
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Console.WriteLine(" " + item2.ServerItem);
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}
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}
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// Show items that differ.
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DisplayHeader("Different:");
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foreach (Item item in itemHash1.Values) {
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Item item2;
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if (itemHash2.TryGetValue(item.ItemId, out item2) &&
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item2.ChangesetId != item.ChangesetId) {
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// Figure out what changed.
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bool showDiff = false;
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if (item.ItemType == ItemType.File &&
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!EqualFileContents(item, item2)) {
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Console.Write('e');
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showDiff = true;
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} else if (item.Encoding != item2.Encoding) {
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Console.Write('n');
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} else if (item.DeletionId != item2.DeletionId) {
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Console.Write('d');
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} else if (item.ServerItem != item2.ServerItem) {
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// Note that we used a case-sensitive comparison in order to catch
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// renames where only the case changed.
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Console.Write('r');
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}
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Console.WriteLine(" {0}", item2.ServerItem);
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if (showDiff) {
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DiffFiles(item, item2);
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}
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}
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}
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// Show items only in the first version.
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DisplayHeader("Only in " + version1.DisplayString + ":");
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DisplayOnlyInFirst(itemHash1, itemHash2);
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// Show items only in the second version.
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DisplayHeader("Only in " + version2.DisplayString + ":");
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DisplayOnlyInFirst(itemHash2, itemHash1);
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}
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// Fill in the workspace name if it is null.
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static VersionSpec ParseVersionSpec(String spec, Workspace workspace)
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{
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String user = workspace.VersionControlServer.TeamFoundationServer.AuthenticatedUserName;
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VersionSpec version = VersionSpec.ParseSingleSpec(spec, user);
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// If the user happened to specify only W for the workspace spec, we'll have to
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// fill in the workspace here (the parse method doesn't know it).
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WorkspaceVersionSpec wvs = version as WorkspaceVersionSpec;
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if (wvs != null && wvs.Name == null) {
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wvs.Name = workspace.Name;
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}
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return version;
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}
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// Creates a hash table of the files and folders.
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static Dictionary<int, Item> CreateHash(Item[] items)
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{
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Dictionary<int, Item> itemHash = new Dictionary<int, Item>();
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foreach (Item item in items) {
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itemHash.Add(item.ItemId, item);
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}
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return itemHash;
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}
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// Displays files and folders that are only in the first hash table.
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static void DisplayOnlyInFirst(Dictionary<int, Item> itemHash1,
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Dictionary<int, Item> itemHash2)
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{
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foreach (Item item in itemHash1.Values) {
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if (!itemHash2.ContainsKey(item.ItemId)) {
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Console.WriteLine(" " + item.ServerItem);
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}
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}
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}
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// Returns true if the contents of the two versions of the file are the same.
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static bool EqualFileContents(Item item1, Item item2)
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{
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if (item1.ContentLength != item2.ContentLength) {
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return false;
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}
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// If the two hash values have different lengths or both have a length of zero,
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// the files are not the same. The only time this would happen would be for
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// files uploaded by clients that have FIPS enforcement enabled (rare).
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// Those clients can't compute the MD5 hash, so it has a length of zero in that
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// case. To do this right with FIPS, the code would need to compare file
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// contents (call item.DownloadFile()).
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// For information on FIPS enforcement and MD5, see the following link.
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// http://blogs.msdn.com/shawnfa/archive/2005/05/16/417975.aspx
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if (item1.HashValue.Length != item2.HashValue.Length ||
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item1.HashValue.Length == 0) {
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return false;
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}
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for (int i = 0; i < item1.HashValue.Length; i++) {
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if (item1.HashValue[i] != item2.HashValue[i]) {
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return false;
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}
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}
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return true;
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}
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// Display the differences between the two file versions.
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static void DiffFiles(Item item1, Item item2)
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{
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if (item1.ItemType != ItemType.File) {
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return;
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}
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Console.WriteLine();
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DiffItemVersionedFile diffItem1 = new DiffItemVersionedFile(item1,
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new ChangesetVersionSpec(item1.ChangesetId));
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DiffItemVersionedFile diffItem2 = new DiffItemVersionedFile(item2,
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new ChangesetVersionSpec(item2.ChangesetId));
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// Here we set up the options to show the diffs in the console with the unified diff
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// format.
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// If you simply want to launch the external diff viewer, rather than get a text diff,
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// you just need to set UseThirdPartyTool to true. You don't need to set any of the
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// other properties to use the external tool.
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DiffOptions options = new DiffOptions();
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options.UseThirdPartyTool = false;
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// These settings are just for the text diff (not needed for an external tool).
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options.Flags = DiffOptionFlags.EnablePreambleHandling | DiffOptionFlags.IgnoreWhiteSpace;
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options.OutputType = DiffOutputType.Unified;
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options.TargetEncoding = Console.OutputEncoding;
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options.SourceEncoding = Console.OutputEncoding;
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options.StreamWriter = new StreamWriter(Console.OpenStandardOutput(),
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Console.OutputEncoding);
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options.StreamWriter.AutoFlush = true;
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// The last parameter indicates whether the code should block until the external diff
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// viewer exits. Set it to false if you are calling this from a GUI app.
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Difference.DiffFiles(item1.VersionControlServer, diffItem1, diffItem2,
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options, item1.ServerItem, true);
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}
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static void DisplayHeader(String header)
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{
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Console.WriteLine();
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Console.WriteLine(String.Empty.PadLeft(80, '='));
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Console.WriteLine(header);
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}
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}
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}
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