Esempio n. 1
0
        private static IEnumerable<FeatureDescriptor> GetFeaturesForExtension(IDictionary<string, string> manifest, ExtensionDescriptor extensionDescriptor)
        {
            var featureDescriptors = new List<FeatureDescriptor>();

            // Default feature
            FeatureDescriptor defaultFeature = new FeatureDescriptor {
                Id = extensionDescriptor.Id,
                Name = GetValue(manifest, FeatureNameSection) ?? extensionDescriptor.Name,
                Priority = GetValue(manifest, PrioritySection) != null ? int.Parse(GetValue(manifest, PrioritySection)) : 0,
                Description = GetValue(manifest, FeatureDescriptionSection) ?? GetValue(manifest, DescriptionSection) ?? string.Empty,
                Dependencies = ParseFeatureDependenciesEntry(GetValue(manifest, DependenciesSection)),
                Extension = extensionDescriptor,
                Category = GetValue(manifest, CategorySection)
            };

            featureDescriptors.Add(defaultFeature);

            // Remaining features
            string featuresText = GetValue(manifest, FeaturesSection);
            if (featuresText != null) {
                FeatureDescriptor featureDescriptor = null;
                using (StringReader reader = new StringReader(featuresText)) {
                    string line;
                    while ((line = reader.ReadLine()) != null) {
                        if (IsFeatureDeclaration(line)) {
                            if (featureDescriptor != null) {
                                if (!featureDescriptor.Equals(defaultFeature)) {
                                    featureDescriptors.Add(featureDescriptor);
                                }

                                featureDescriptor = null;
                            }

                            string[] featureDeclaration = line.Split(new[] { ":" }, StringSplitOptions.RemoveEmptyEntries);
                            string featureDescriptorId = featureDeclaration[0].Trim();
                            if (String.Equals(featureDescriptorId, extensionDescriptor.Id, StringComparison.OrdinalIgnoreCase)) {
                                featureDescriptor = defaultFeature;
                                featureDescriptor.Name = extensionDescriptor.Name;
                            }
                            else {
                                featureDescriptor = new FeatureDescriptor {
                                    Id = featureDescriptorId,
                                    Extension = extensionDescriptor
                                };
                            }
                        }
                        else if (IsFeatureFieldDeclaration(line)) {
                            if (featureDescriptor != null) {
                                string[] featureField = line.Split(new[] { ":" }, 2, StringSplitOptions.None);
                                int featureFieldLength = featureField.Length;
                                if (featureFieldLength != 2)
                                    continue;
                                for (int i = 0; i < featureFieldLength; i++) {
                                    featureField[i] = featureField[i].Trim();
                                }

                                switch (featureField[0].ToLowerInvariant()) {
                                    case NameSection:
                                        featureDescriptor.Name = featureField[1];
                                        break;
                                    case DescriptionSection:
                                        featureDescriptor.Description = featureField[1];
                                        break;
                                    case CategorySection:
                                        featureDescriptor.Category = featureField[1];
                                        break;
                                    case PrioritySection:
                                        featureDescriptor.Priority = int.Parse(featureField[1]);
                                        break;
                                    case DependenciesSection:
                                        featureDescriptor.Dependencies = ParseFeatureDependenciesEntry(featureField[1]);
                                        break;
                                }
                            }
                            else {
                                string message = string.Format("The line {0} in manifest for extension {1} was ignored", line, extensionDescriptor.Id);
                                throw new ArgumentException(message);
                            }
                        }
                        else {
                            string message = string.Format("The line {0} in manifest for extension {1} was ignored", line, extensionDescriptor.Id);
                            throw new ArgumentException(message);
                        }
                    }

                    if (featureDescriptor != null && !featureDescriptor.Equals(defaultFeature))
                        featureDescriptors.Add(featureDescriptor);
                }
            }

            return featureDescriptors;
        }
Esempio n. 2
0
 internal static int GetPriority(FeatureDescriptor featureDescriptor)
 {
     return featureDescriptor.Priority;
 }
Esempio n. 3
0
        /// <summary>
        /// Returns true if the item has an explicit or implicit dependency on the subject
        /// </summary>
        /// <param name="item"></param>
        /// <param name="subject"></param>
        /// <returns></returns>
        internal static bool HasDependency(FeatureDescriptor item, FeatureDescriptor subject)
        {
            if (DefaultExtensionTypes.IsTheme(item.Extension.ExtensionType)) {
                if (DefaultExtensionTypes.IsModule(subject.Extension.ExtensionType)) {
                    // Themes implicitly depend on modules to ensure build and override ordering
                    return true;
                }

                if (DefaultExtensionTypes.IsTheme(subject.Extension.ExtensionType)) {
                    // Theme depends on another if it is its base theme
                    return item.Extension.BaseTheme == subject.Id;
                }
            }

            // Return based on explicit dependencies
            return item.Dependencies != null &&
                   item.Dependencies.Any(x => StringComparer.OrdinalIgnoreCase.Equals(x, subject.Id));
        }
Esempio n. 4
0
        private Feature LoadFeature(FeatureDescriptor featureDescriptor)
        {
            var extensionDescriptor = featureDescriptor.Extension;
            var featureId = featureDescriptor.Id;
            var extensionId = extensionDescriptor.Id;

            ExtensionEntry extensionEntry;
            try {
                extensionEntry = BuildEntry(extensionDescriptor);
            }
            catch (Exception ex) {
                _logger.LogError(string.Format("Error loading extension '{0}'", extensionId), ex);
                throw new OrchardException(T("Error while loading extension '{0}'.", extensionId), ex);
            }

            if (extensionEntry == null) {
                // If the feature could not be compiled for some reason,
                // return a "null" feature, i.e. a feature with no exported types.
                return new Feature {
                    Descriptor = featureDescriptor,
                    ExportedTypes = Enumerable.Empty<Type>()
                };
            }

            var extensionTypes = extensionEntry.ExportedTypes.Where(t => t.GetTypeInfo().IsClass && !t.GetTypeInfo().IsAbstract);
            var featureTypes = new List<Type>();

            foreach (var type in extensionTypes) {
                string sourceFeature = GetSourceFeatureNameForType(type, extensionId);
                if (String.Equals(sourceFeature, featureId, StringComparison.OrdinalIgnoreCase)) {
                    featureTypes.Add(type);
                }
            }

            return new Feature {
                Descriptor = featureDescriptor,
                ExportedTypes = featureTypes
            };
        }