Beispiel #1
0
            internal static string GetItemSpecModifier(string currentDirectory, string itemSpec, string definingProjectEscaped, string modifier, ref string fullPath)
            {
                ErrorUtilities.VerifyThrow(itemSpec != null, "Need item-spec to modify.");
                ErrorUtilities.VerifyThrow(modifier != null, "Need modifier to apply to item-spec.");

                string modifiedItemSpec = null;

                try
                {
                    if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.FullPath, StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        if (fullPath != null)
                        {
                            return(fullPath);
                        }

                        if (currentDirectory == null)
                        {
                            currentDirectory = String.Empty;
                        }

                        modifiedItemSpec = GetFullPath(itemSpec, currentDirectory);
                        fullPath         = modifiedItemSpec;

                        ThrowForUrl(modifiedItemSpec, itemSpec, currentDirectory);
                    }
                    else if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.RootDir, StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        GetItemSpecModifier(currentDirectory, itemSpec, definingProjectEscaped, ItemSpecModifiers.FullPath, ref fullPath);

                        modifiedItemSpec = Path.GetPathRoot(fullPath);

                        if (!EndsWithSlash(modifiedItemSpec))
                        {
                            ErrorUtilities.VerifyThrow(FileUtilitiesRegex.UNCPattern.IsMatch(modifiedItemSpec),
                                                       "Only UNC shares should be missing trailing slashes.");

                            // restore/append trailing slash if Path.GetPathRoot() has either removed it, or failed to add it
                            // (this happens with UNC shares)
                            modifiedItemSpec += Path.DirectorySeparatorChar;
                        }
                    }
                    else if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.Filename, StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        // if the item-spec is a root directory, it can have no filename
                        if (Path.GetDirectoryName(itemSpec) == null)
                        {
                            // NOTE: this is to prevent Path.GetFileNameWithoutExtension() from treating server and share elements
                            // in a UNC file-spec as filenames e.g. \\server, \\server\share
                            modifiedItemSpec = String.Empty;
                        }
                        else
                        {
                            modifiedItemSpec = Path.GetFileNameWithoutExtension(itemSpec);
                        }
                    }
                    else if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.Extension, StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        // if the item-spec is a root directory, it can have no extension
                        if (Path.GetDirectoryName(itemSpec) == null)
                        {
                            // NOTE: this is to prevent Path.GetExtension() from treating server and share elements in a UNC
                            // file-spec as filenames e.g. \\server.ext, \\server\share.ext
                            modifiedItemSpec = String.Empty;
                        }
                        else
                        {
                            modifiedItemSpec = Path.GetExtension(itemSpec);
                        }
                    }
                    else if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.RelativeDir, StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        modifiedItemSpec = GetDirectory(itemSpec);
                    }
                    else if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.Directory, StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        GetItemSpecModifier(currentDirectory, itemSpec, definingProjectEscaped, ItemSpecModifiers.FullPath, ref fullPath);

                        modifiedItemSpec = GetDirectory(fullPath);

                        if (NativeMethodsShared.IsWindows)
                        {
                            Match root = FileUtilitiesRegex.DrivePattern.Match(modifiedItemSpec);

                            if (!root.Success)
                            {
                                root = FileUtilitiesRegex.UNCPattern.Match(modifiedItemSpec);
                            }

                            if (root.Success)
                            {
                                ErrorUtilities.VerifyThrow((modifiedItemSpec.Length > root.Length) && IsSlash(modifiedItemSpec[root.Length]),
                                                           "Root directory must have a trailing slash.");

                                modifiedItemSpec = modifiedItemSpec.Substring(root.Length + 1);
                            }
                        }
                        else
                        {
                            ErrorUtilities.VerifyThrow(!string.IsNullOrEmpty(modifiedItemSpec) && IsSlash(modifiedItemSpec[0]),
                                                       "Expected a full non-windows path rooted at '/'.");

                            // A full unix path is always rooted at
                            // `/`, and a root-relative path is the
                            // rest of the string.
                            modifiedItemSpec = modifiedItemSpec.Substring(1);
                        }
                    }
                    else if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.RecursiveDir, StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        // only the BuildItem class can compute this modifier -- so leave empty
                        modifiedItemSpec = String.Empty;
                    }
                    else if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.Identity, StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        modifiedItemSpec = itemSpec;
                    }
                    else if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.ModifiedTime, StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        // About to go out to the filesystem.  This means data is leaving the engine, so need
                        // to unescape first.
                        string unescapedItemSpec = EscapingUtilities.UnescapeAll(itemSpec);

                        FileInfo info = FileUtilities.GetFileInfoNoThrow(unescapedItemSpec);

                        if (info != null)
                        {
                            modifiedItemSpec = info.LastWriteTime.ToString(FileTimeFormat, null);
                        }
                        else
                        {
                            // File does not exist, or path is a directory
                            modifiedItemSpec = String.Empty;
                        }
                    }
                    else if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.CreatedTime, StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        // About to go out to the filesystem.  This means data is leaving the engine, so need
                        // to unescape first.
                        string unescapedItemSpec = EscapingUtilities.UnescapeAll(itemSpec);

                        if (File.Exists(unescapedItemSpec))
                        {
                            modifiedItemSpec = File.GetCreationTime(unescapedItemSpec).ToString(FileTimeFormat, null);
                        }
                        else
                        {
                            // File does not exist, or path is a directory
                            modifiedItemSpec = String.Empty;
                        }
                    }
                    else if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.AccessedTime, StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        // About to go out to the filesystem.  This means data is leaving the engine, so need
                        // to unescape first.
                        string unescapedItemSpec = EscapingUtilities.UnescapeAll(itemSpec);

                        if (File.Exists(unescapedItemSpec))
                        {
                            modifiedItemSpec = File.GetLastAccessTime(unescapedItemSpec).ToString(FileTimeFormat, null);
                        }
                        else
                        {
                            // File does not exist, or path is a directory
                            modifiedItemSpec = String.Empty;
                        }
                    }
                    else if (IsDefiningProjectModifier(modifier))
                    {
                        if (String.IsNullOrEmpty(definingProjectEscaped))
                        {
                            // We have nothing to work with, but that's sometimes OK -- so just return String.Empty
                            modifiedItemSpec = String.Empty;
                        }
                        else
                        {
                            if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.DefiningProjectDirectory, StringComparison.OrdinalIgnoreCase) == 0)
                            {
                                // ItemSpecModifiers.Directory does not contain the root directory
                                modifiedItemSpec = Path.Combine
                                                   (
                                    GetItemSpecModifier(currentDirectory, definingProjectEscaped, null, ItemSpecModifiers.RootDir),
                                    GetItemSpecModifier(currentDirectory, definingProjectEscaped, null, ItemSpecModifiers.Directory)
                                                   );
                            }
                            else
                            {
                                string additionalModifier = null;

                                if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.DefiningProjectFullPath, StringComparison.OrdinalIgnoreCase) == 0)
                                {
                                    additionalModifier = ItemSpecModifiers.FullPath;
                                }
                                else if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.DefiningProjectName, StringComparison.OrdinalIgnoreCase) == 0)
                                {
                                    additionalModifier = ItemSpecModifiers.Filename;
                                }
                                else if (String.Compare(modifier, FileUtilities.ItemSpecModifiers.DefiningProjectExtension, StringComparison.OrdinalIgnoreCase) == 0)
                                {
                                    additionalModifier = ItemSpecModifiers.Extension;
                                }
                                else
                                {
                                    ErrorUtilities.ThrowInternalError("\"{0}\" is not a valid item-spec modifier.", modifier);
                                }

                                modifiedItemSpec = GetItemSpecModifier(currentDirectory, definingProjectEscaped, null, additionalModifier);
                            }
                        }
                    }
                    else
                    {
                        ErrorUtilities.ThrowInternalError("\"{0}\" is not a valid item-spec modifier.", modifier);
                    }
                }
                catch (Exception e) when(ExceptionHandling.IsIoRelatedException(e))
                {
                    ErrorUtilities.VerifyThrowInvalidOperation(false, "Shared.InvalidFilespecForTransform", modifier, itemSpec, e.Message);
                }

                return(modifiedItemSpec);
            }
            internal static string GetItemSpecModifier(string currentDirectory, string itemSpec, string modifier, ref CopyOnWriteDictionary <string, string> cachedModifiers)
            {
                ErrorUtilities.VerifyThrow(itemSpec != null, "Need item-spec to modify.");
                ErrorUtilities.VerifyThrow(modifier != null, "Need modifier to apply to item-spec.");
                string fullPath = null;

                if (cachedModifiers != null)
                {
                    cachedModifiers.TryGetValue(modifier, out fullPath);
                }
                if (fullPath == null)
                {
                    bool flag = true;
                    try
                    {
                        if (string.Compare(modifier, "FullPath", StringComparison.OrdinalIgnoreCase) == 0)
                        {
                            if (currentDirectory == null)
                            {
                                currentDirectory = string.Empty;
                            }
                            fullPath = FileUtilities.GetFullPath(itemSpec, currentDirectory);
                            ThrowForUrl(fullPath, itemSpec, currentDirectory);
                        }
                        else if (string.Compare(modifier, "RootDir", StringComparison.OrdinalIgnoreCase) == 0)
                        {
                            string str2;
                            if (currentDirectory == null)
                            {
                                currentDirectory = string.Empty;
                            }
                            if ((cachedModifiers == null) || !cachedModifiers.TryGetValue("FullPath", out str2))
                            {
                                str2 = FileUtilities.GetFullPath(itemSpec, currentDirectory);
                                ThrowForUrl(str2, itemSpec, currentDirectory);
                            }
                            fullPath = Path.GetPathRoot(str2);
                            if (!FileUtilities.EndsWithSlash(fullPath))
                            {
                                ErrorUtilities.VerifyThrow(FileUtilitiesRegex.UNCPattern.IsMatch(fullPath), "Only UNC shares should be missing trailing slashes.");
                                fullPath = fullPath + Path.DirectorySeparatorChar;
                            }
                        }
                        else if (string.Compare(modifier, "Filename", StringComparison.OrdinalIgnoreCase) == 0)
                        {
                            if (Path.GetDirectoryName(itemSpec) == null)
                            {
                                fullPath = string.Empty;
                            }
                            else
                            {
                                fullPath = Path.GetFileNameWithoutExtension(itemSpec);
                            }
                        }
                        else if (string.Compare(modifier, "Extension", StringComparison.OrdinalIgnoreCase) == 0)
                        {
                            if (Path.GetDirectoryName(itemSpec) == null)
                            {
                                fullPath = string.Empty;
                            }
                            else
                            {
                                fullPath = Path.GetExtension(itemSpec);
                            }
                        }
                        else if (string.Compare(modifier, "RelativeDir", StringComparison.OrdinalIgnoreCase) == 0)
                        {
                            fullPath = FileUtilities.GetDirectory(itemSpec);
                        }
                        else if (string.Compare(modifier, "Directory", StringComparison.OrdinalIgnoreCase) == 0)
                        {
                            string str3;
                            if (currentDirectory == null)
                            {
                                currentDirectory = string.Empty;
                            }
                            if ((cachedModifiers == null) || !cachedModifiers.TryGetValue("FullPath", out str3))
                            {
                                str3 = FileUtilities.GetFullPath(itemSpec, currentDirectory);
                                ThrowForUrl(str3, itemSpec, currentDirectory);
                            }
                            fullPath = FileUtilities.GetDirectory(str3);
                            Match match = FileUtilitiesRegex.DrivePattern.Match(fullPath);
                            if (!match.Success)
                            {
                                match = FileUtilitiesRegex.UNCPattern.Match(fullPath);
                            }
                            if (match.Success)
                            {
                                ErrorUtilities.VerifyThrow((fullPath.Length > match.Length) && FileUtilities.IsSlash(fullPath[match.Length]), "Root directory must have a trailing slash.");
                                fullPath = fullPath.Substring(match.Length + 1);
                            }
                        }
                        else if (string.Compare(modifier, "RecursiveDir", StringComparison.OrdinalIgnoreCase) == 0)
                        {
                            fullPath = string.Empty;
                        }
                        else if (string.Compare(modifier, "Identity", StringComparison.OrdinalIgnoreCase) == 0)
                        {
                            flag     = cachedModifiers != null;
                            fullPath = itemSpec;
                        }
                        else if (string.Compare(modifier, "ModifiedTime", StringComparison.OrdinalIgnoreCase) == 0)
                        {
                            flag = false;
                            FileInfo fileInfoNoThrow = FileUtilities.GetFileInfoNoThrow(EscapingUtilities.UnescapeAll(itemSpec));
                            if (fileInfoNoThrow != null)
                            {
                                fullPath = fileInfoNoThrow.LastWriteTime.ToString("yyyy'-'MM'-'dd HH':'mm':'ss'.'fffffff", null);
                            }
                            else
                            {
                                fullPath = string.Empty;
                            }
                        }
                        else if (string.Compare(modifier, "CreatedTime", StringComparison.OrdinalIgnoreCase) == 0)
                        {
                            flag = false;
                            string path = EscapingUtilities.UnescapeAll(itemSpec);
                            if (File.Exists(path))
                            {
                                fullPath = File.GetCreationTime(path).ToString("yyyy'-'MM'-'dd HH':'mm':'ss'.'fffffff", null);
                            }
                            else
                            {
                                fullPath = string.Empty;
                            }
                        }
                        else if (string.Compare(modifier, "AccessedTime", StringComparison.OrdinalIgnoreCase) == 0)
                        {
                            flag = false;
                            string str6 = EscapingUtilities.UnescapeAll(itemSpec);
                            if (File.Exists(str6))
                            {
                                fullPath = File.GetLastAccessTime(str6).ToString("yyyy'-'MM'-'dd HH':'mm':'ss'.'fffffff", null);
                            }
                            else
                            {
                                fullPath = string.Empty;
                            }
                        }
                        else
                        {
                            ErrorUtilities.VerifyThrow(false, "\"{0}\" is not a valid item-spec modifier.", modifier);
                        }
                    }
                    catch (Exception exception)
                    {
                        if (ExceptionHandling.NotExpectedException(exception))
                        {
                            throw;
                        }
                        ErrorUtilities.VerifyThrowInvalidOperation(false, "Shared.InvalidFilespecForTransform", modifier, itemSpec, exception.Message);
                    }
                    ErrorUtilities.VerifyThrow(fullPath != null, "The item-spec modifier \"{0}\" was not evaluated.", modifier);
                    if (flag)
                    {
                        if (cachedModifiers == null)
                        {
                            cachedModifiers = new CopyOnWriteDictionary <string, string>(StringComparer.OrdinalIgnoreCase);
                        }
                        cachedModifiers[modifier] = fullPath;
                    }
                }
                return(fullPath);
            }