private void ParseManagedSemantics()
        {
            var stringTable      = m_context.PathTable.StringTable;
            var magicNugetMarker = PathAtom.Create(stringTable, "_._");
            var dllExtension     = PathAtom.Create(stringTable, ".dll");

            foreach (var relativePath in PackageOnDisk.Contents.OrderBy(path => path.ToString(stringTable)))
            {
                // This is a dll. Check if it is in a lib folder or ref folder.

                // This code handles two layouts
                // Case 1: /runtimes/{targetRuntime}/[lib|ref]/{targetFramework}/{fileName}
                // Case 2: /[lib|ref]/{targetFramework}/{fileName}

                // In case 1, /runtimes/{targetRuntime} is removed and then rest of string is processed as in
                // case 2.
                // Case 2 treats files under 'lib' folder as runtime dependencies (and optionally compile-time
                // references if missing a corresponding set of compile-time references for the target framework
                // under the 'ref' folder). Files under 'ref' folder are treated strictly as compile-time only references.

                var atoms = new ReadOnlySpan <PathAtom>(relativePath.GetAtoms());
                if (atoms.Length == 5)
                {
                    var isRuntime = NugetFrameworkMonikers.RuntimesFolderName.CaseInsensitiveEquals(stringTable, atoms[0]) &&
                                    NugetFrameworkMonikers.SupportedTargetRuntimeAtoms.Contains(atoms[1].StringId);

                    if (isRuntime)
                    {
                        atoms = atoms.Slice(2);
                    }
                }

                if (atoms.Length == 3)
                {
                    var libOrRef = atoms[0];
                    var targetFrameworkFolder = atoms[1];
                    var fileName = atoms[2];

                    var isLib = NugetFrameworkMonikers.LibFolderName.CaseInsensitiveEquals(stringTable, libOrRef);
                    var isRef = NugetFrameworkMonikers.RefFolderName.CaseInsensitiveEquals(stringTable, libOrRef);

                    if (isLib || isRef)
                    {
                        if (!TryGetKnownTargetFramework(targetFrameworkFolder, out NugetTargetFramework targetFramework))
                        {
                            // We skip unknown frameworks, packages are not necessarily well constructed. We log this
                            // as a verbose message (i.e., this is not an error).
                            Logger.Log.NugetUnknownFramework(m_context.LoggingContext, PackageOnDisk.Package.Id,
                                                             targetFrameworkFolder.ToString(stringTable), relativePath.ToString(stringTable));
                            continue;
                        }

                        var isManagedEntry = false;
                        var ext            = fileName.GetExtension(stringTable);
                        if (dllExtension.CaseInsensitiveEquals(stringTable, ext))
                        {
                            isManagedEntry = true;
                            if (isRef)
                            {
                                References.Add(targetFramework, relativePath);
                            }

                            if (isLib)
                            {
                                Libraries.Add(targetFramework, relativePath);
                            }
                        }
                        else if (fileName == magicNugetMarker)
                        {
                            isManagedEntry = true;
                        }

                        if (isManagedEntry)
                        {
                            IsManagedPackage = true;

                            if (!TargetFrameworks.Contains(targetFramework.Moniker))
                            {
                                TargetFrameworks.Add(targetFramework.Moniker);
                            }

                            // The magic marker is there so the framework is declared as supported, but no actual files are listed
                            // So we don't want to add a magic marker as a real artifact that can be referenced.
                            if (fileName != magicNugetMarker)
                            {
                                AssemblyToTargetFramework.Add(fileName, targetFramework);
                            }
                        }
                    }
                }
            }

            if (TargetFrameworks.Count == 0)
            {
                var history = ForceFullFrameworkQualifiersOnly ?
                              NugetFrameworkMonikers.FullFrameworkVersionHistory :
                              NugetFrameworkMonikers.WellknownMonikers.ToList();

                foreach (var moniker in history)
                {
                    TargetFrameworks.Add(moniker);
                }
            }

            // For the refs without lib, copy them to refs.
            foreach (var kv in Libraries)
            {
                if (!References.ContainsKey(kv.Key))
                {
                    References.Add(kv.Key, kv.Value.ToArray());
                }
            }
        }
Example #2
0
        private void ParseManagedSemantics()
        {
            var stringTable      = m_context.PathTable.StringTable;
            var magicNugetMarker = PathAtom.Create(stringTable, "_._");
            var dllExtension     = PathAtom.Create(stringTable, ".dll");

            foreach (var relativePath in PackageOnDisk.Contents.OrderBy(path => path.ToString(stringTable)))
            {
                // This is a dll. Check if it is in a lib folder or ref folder.
                var atoms = relativePath.GetAtoms();
                if (atoms.Length == 3)
                {
                    var libOrRef = atoms[0];
                    var targetFrameworkFolder = atoms[1];
                    var fileName = atoms[2];

                    var isLib = NugetFrameworkMonikers.LibFolderName.CaseInsensitiveEquals(stringTable, libOrRef);
                    var isRef = NugetFrameworkMonikers.RefFolderName.CaseInsensitiveEquals(stringTable, libOrRef);

                    if (isLib || isRef)
                    {
                        if (!TryGetKnownTargetFramework(targetFrameworkFolder, out NugetTargetFramework targetFramework))
                        {
                            // We skip unknown frameworks, packages are not necessarily well constructed. We log this
                            // as a verbose message (i.e., this is not an error).
                            Logger.Log.NugetUnknownFramework(m_context.LoggingContext, PackageOnDisk.Package.Id,
                                                             targetFrameworkFolder.ToString(stringTable), relativePath.ToString(stringTable));
                            continue;
                        }

                        var isManagedEntry = false;
                        var ext            = fileName.GetExtension(stringTable);
                        if (dllExtension.CaseInsensitiveEquals(stringTable, ext))
                        {
                            isManagedEntry = true;
                            if (isRef)
                            {
                                References.Add(targetFramework, relativePath);
                            }

                            if (isLib)
                            {
                                Libraries.Add(targetFramework, relativePath);
                            }
                        }
                        else if (fileName == magicNugetMarker)
                        {
                            isManagedEntry = true;
                        }

                        if (isManagedEntry)
                        {
                            IsManagedPackage = true;

                            if (!TargetFrameworks.Contains(targetFramework.Moniker))
                            {
                                TargetFrameworks.Add(targetFramework.Moniker);
                            }

                            // The magic marker is there so the framework is declared as supported, but no actual files are listed
                            // So we don't want to add a magic marker as a real artifact that can be referenced.
                            if (fileName != magicNugetMarker)
                            {
                                AssemblyToTargetFramework.Add(fileName, targetFramework);
                            }
                        }
                    }
                }
            }

            if (TargetFrameworks.Count == 0)
            {
                var history = ForceFullFrameworkQualifiersOnly ?
                              NugetFrameworkMonikers.FullFrameworkVersionHistory :
                              NugetFrameworkMonikers.WellknownMonikers.ToList();

                foreach (var moniker in history)
                {
                    TargetFrameworks.Add(moniker);
                }
            }

            // For the refs without lib, copy them to refs.
            foreach (var kv in Libraries)
            {
                if (!References.ContainsKey(kv.Key))
                {
                    References.Add(kv.Key, kv.Value.ToArray());
                }
            }
        }