如果您需要从其他程序访问 Subversion 版本信息，可以使用 SubWCRev 的 COM 接口。要创建的对象是 SubWCRev.object，并支持以下方法
表 6.4. 支持的 COM/自动化方法
| 方法 | 描述 |
|---|---|
| .GetWCInfo |
此方法遍历工作副本，收集版本信息。当然，您必须在使用剩余方法访问信息之前调用此方法。第一个参数是路径。如果要包含文件夹版本，则第二个参数应为 true。等效于命令行开关 -f。如果要包含 svn:externals，则第三个参数应为 true。等效于命令行开关 -e。
|
| .GetWCInfo2 |
与 GetWCInfo() 相同，但具有第四个参数，该参数设置等效于命令行开关 -E。
|
| .Revision |
工作副本中最高的提交版本。等效于 $WCREV$。
|
| .Date |
最高提交版本的提交日期/时间。等效于 $WCDATE$。
|
| .Author | 最高提交版本的作者，即最后提交更改到工作副本的人员。 |
| .MinRev |
最小更新版本，如 $WCRANGE$ 中所示
|
| .MaxRev |
最大更新版本，如 $WCRANGE$ 中所示
|
| .HasModifications | 如果存在本地修改，则为 true |
| .HasUnversioned | 如果存在未版本化的项目，则为 true |
| .Url |
替换为 GetWCInfo 中使用的工作副本路径的存储库 URL。等效于 $WCURL$。
|
| .RepoRoot |
替换为存储库根目录的 URL。等效于 $REPOROOT$。
|
| .IsSvnItem | 如果项目已版本化，则为 true。 |
| .NeedsLocking |
如果项目设置了 svn:needs-lock 属性，则为 true。
|
| .IsLocked | 如果项目已锁定，则为 true。 |
| .LockCreationDate | 表示锁定创建日期的字符串，如果项目未锁定，则为空字符串。 |
| .LockOwner | 表示锁定所有者的字符串，如果项目未锁定，则为空字符串。 |
| .LockComment | 创建锁定时输入的消息。 |
以下示例展示了如何使用该接口。
// testCOM.js - javascript file
// test script for the SubWCRev COM/Automation-object
filesystem = new ActiveXObject("Scripting.FileSystemObject");
revObject1 = new ActiveXObject("SubWCRev.object");
revObject2 = new ActiveXObject("SubWCRev.object");
revObject3 = new ActiveXObject("SubWCRev.object");
revObject4 = new ActiveXObject("SubWCRev.object");
revObject1.GetWCInfo(
filesystem.GetAbsolutePathName("."), 1, 1);
revObject2.GetWCInfo(
filesystem.GetAbsolutePathName(".."), 1, 1);
revObject3.GetWCInfo(
filesystem.GetAbsolutePathName("SubWCRev.cpp"), 1, 1);
revObject4.GetWCInfo2(
filesystem.GetAbsolutePathName("..\\.."), 1, 1, 1);
wcInfoString1 = "Revision = " + revObject1.Revision +
"\nMin Revision = " + revObject1.MinRev +
"\nMax Revision = " + revObject1.MaxRev +
"\nDate = " + revObject1.Date +
"\nURL = " + revObject1.Url + "\nAuthor = " +
revObject1.Author + "\nHasMods = " +
revObject1.HasModifications + "\nIsSvnItem = " +
revObject1.IsSvnItem + "\nNeedsLocking = " +
revObject1.NeedsLocking + "\nIsLocked = " +
revObject1.IsLocked + "\nLockCreationDate = " +
revObject1.LockCreationDate + "\nLockOwner = " +
revObject1.LockOwner + "\nLockComment = " +
revObject1.LockComment;
wcInfoString2 = "Revision = " + revObject2.Revision +
"\nMin Revision = " + revObject2.MinRev +
"\nMax Revision = " + revObject2.MaxRev +
"\nDate = " + revObject2.Date +
"\nURL = " + revObject2.Url + "\nAuthor = " +
revObject2.Author + "\nHasMods = " +
revObject2.HasModifications + "\nIsSvnItem = " +
revObject2.IsSvnItem + "\nNeedsLocking = " +
revObject2.NeedsLocking + "\nIsLocked = " +
revObject2.IsLocked + "\nLockCreationDate = " +
revObject2.LockCreationDate + "\nLockOwner = " +
revObject2.LockOwner + "\nLockComment = " +
revObject2.LockComment;
wcInfoString3 = "Revision = " + revObject3.Revision +
"\nMin Revision = " + revObject3.MinRev +
"\nMax Revision = " + revObject3.MaxRev +
"\nDate = " + revObject3.Date +
"\nURL = " + revObject3.Url + "\nAuthor = " +
revObject3.Author + "\nHasMods = " +
revObject3.HasModifications + "\nIsSvnItem = " +
revObject3.IsSvnItem + "\nNeedsLocking = " +
revObject3.NeedsLocking + "\nIsLocked = " +
revObject3.IsLocked + "\nLockCreationDate = " +
revObject3.LockCreationDate + "\nLockOwner = " +
revObject3.LockOwner + "\nLockComment = " +
revObject3.LockComment;
wcInfoString4 = "Revision = " + revObject4.Revision +
"\nMin Revision = " + revObject4.MinRev +
"\nMax Revision = " + revObject4.MaxRev +
"\nDate = " + revObject4.Date +
"\nURL = " + revObject4.Url + "\nAuthor = " +
revObject4.Author + "\nHasMods = " +
revObject4.HasModifications + "\nIsSvnItem = " +
revObject4.IsSvnItem + "\nNeedsLocking = " +
revObject4.NeedsLocking + "\nIsLocked = " +
revObject4.IsLocked + "\nLockCreationDate = " +
revObject4.LockCreationDate + "\nLockOwner = " +
revObject4.LockOwner + "\nLockComment = " +
revObject4.LockComment;
WScript.Echo(wcInfoString1);
WScript.Echo(wcInfoString2);
WScript.Echo(wcInfoString3);
WScript.Echo(wcInfoString4);
以下列表展示了如何从 C# 使用 SubWCRev COM 对象。
using LibSubWCRev;
SubWCRev sub = new SubWCRev();
sub.GetWCInfo("C:\\PathToMyFile\\MyFile.cc", true, true);
if (sub.IsSvnItem == true)
{
MessageBox.Show("versioned");
}
else
{
MessageBox.Show("not versioned");
}