private GetEnumeratorInternal ( ) : ResourceEnumerator | ||
return | ResourceEnumerator |
private object GetObject(string key, bool ignoreCase, bool isString) { if (key == null) { throw new ArgumentNullException(nameof(key)); } if (Reader == null || _resCache == null) { throw new ObjectDisposedException(null, SR.ObjectDisposed_ResourceSet); } object value = null; ResourceLocator resLocation; lock (Reader) { if (Reader == null) { throw new ObjectDisposedException(null, SR.ObjectDisposed_ResourceSet); } if (_defaultReader != null) { // Find the offset within the data section int dataPos = -1; if (_resCache.TryGetValue(key, out resLocation)) { value = resLocation.Value; dataPos = resLocation.DataPosition; } if (dataPos == -1 && value == null) { dataPos = _defaultReader.FindPosForResource(key); } if (dataPos != -1 && value == null) { Debug.Assert(dataPos >= 0, "data section offset cannot be negative!"); // Normally calling LoadString or LoadObject requires // taking a lock. Note that in this case, we took a // lock on the entire RuntimeResourceSet, which is // sufficient since we never pass this ResourceReader // to anyone else. ResourceTypeCode typeCode; if (isString) { value = _defaultReader.LoadString(dataPos); typeCode = ResourceTypeCode.String; } else { value = _defaultReader.LoadObject(dataPos, out typeCode); } resLocation = new ResourceLocator(dataPos, (ResourceLocator.CanCache(typeCode)) ? value : null); lock (_resCache) { _resCache[key] = resLocation; } } if (value != null || !ignoreCase) { return(value); // may be null } } // if (_defaultReader != null) // At this point, we either don't have our default resource reader // or we haven't found the particular resource we're looking for // and may have to search for it in a case-insensitive way. if (!_haveReadFromReader) { // If necessary, init our case insensitive hash table. if (ignoreCase && _caseInsensitiveTable == null) { _caseInsensitiveTable = new Dictionary <string, ResourceLocator>(StringComparer.OrdinalIgnoreCase); } if (_defaultReader == null) { IDictionaryEnumerator en = Reader.GetEnumerator(); while (en.MoveNext()) { DictionaryEntry entry = en.Entry; string readKey = (string)entry.Key; ResourceLocator resLoc = new ResourceLocator(-1, entry.Value); _resCache.Add(readKey, resLoc); if (ignoreCase) { _caseInsensitiveTable.Add(readKey, resLoc); } } // Only close the reader if it is NOT our default one, // since we need it around to resolve ResourceLocators. if (!ignoreCase) { Reader.Close(); } } else { Debug.Assert(ignoreCase, "This should only happen for case-insensitive lookups"); ResourceReader.ResourceEnumerator en = _defaultReader.GetEnumeratorInternal(); while (en.MoveNext()) { // Note: Always ask for the resource key before the data position. string currentKey = (string)en.Key; int dataPos = en.DataPosition; ResourceLocator resLoc = new ResourceLocator(dataPos, null); _caseInsensitiveTable.Add(currentKey, resLoc); } } _haveReadFromReader = true; } object obj = null; bool found = false; bool keyInWrongCase = false; if (_defaultReader != null) { if (_resCache.TryGetValue(key, out resLocation)) { found = true; obj = ResolveResourceLocator(resLocation, key, _resCache, keyInWrongCase); } } if (!found && ignoreCase) { if (_caseInsensitiveTable.TryGetValue(key, out resLocation)) { found = true; keyInWrongCase = true; obj = ResolveResourceLocator(resLocation, key, _resCache, keyInWrongCase); } } return(obj); } // lock(Reader) }
private Object GetObject(String key, bool ignoreCase, bool isString) { if (key == null) { throw new ArgumentNullException("key"); } if (Reader == null || _resCache == null) { throw new ObjectDisposedException(null, Environment.GetResourceString("ObjectDisposed_ResourceSet")); } Contract.EndContractBlock(); Object value = null; ResourceLocator resLocation; lock (Reader) { if (Reader == null) { throw new ObjectDisposedException(null, Environment.GetResourceString("ObjectDisposed_ResourceSet")); } if (_defaultReader != null) { BCLDebug.Log("RESMGRFILEFORMAT", "Going down fast path in RuntimeResourceSet::GetObject"); // Find the offset within the data section int dataPos = -1; if (_resCache.TryGetValue(key, out resLocation)) { value = resLocation.Value; dataPos = resLocation.DataPosition; } if (dataPos == -1 && value == null) { dataPos = _defaultReader.FindPosForResource(key); } if (dataPos != -1 && value == null) { Contract.Assert(dataPos >= 0, "data section offset cannot be negative!"); // Normally calling LoadString or LoadObject requires // taking a lock. Note that in this case, we took a // lock on the entire RuntimeResourceSet, which is // sufficient since we never pass this ResourceReader // to anyone else. ResourceTypeCode typeCode; if (isString) { value = _defaultReader.LoadString(dataPos); typeCode = ResourceTypeCode.String; } else { value = _defaultReader.LoadObject(dataPos, out typeCode); } resLocation = new ResourceLocator(dataPos, (ResourceLocator.CanCache(typeCode)) ? value : null); lock (_resCache) { _resCache[key] = resLocation; } } if (value != null || !ignoreCase) { #if LOOSELY_LINKED_RESOURCE_REFERENCE if (Assembly != null && (value is LooselyLinkedResourceReference)) { LooselyLinkedResourceReference assRef = (LooselyLinkedResourceReference)value; value = assRef.Resolve(Assembly); } #endif // LOOSELY_LINKED_RESOURCE_REFERENCE return(value); // may be null } } // if (_defaultReader != null) // At this point, we either don't have our default resource reader // or we haven't found the particular resource we're looking for // and may have to search for it in a case-insensitive way. if (!_haveReadFromReader) { // If necessary, init our case insensitive hash table. if (ignoreCase && _caseInsensitiveTable == null) { _caseInsensitiveTable = new Dictionary <String, ResourceLocator>(StringComparer.OrdinalIgnoreCase); } #if _DEBUG BCLDebug.Perf(!ignoreCase, "Using case-insensitive lookups is bad perf-wise. Consider capitalizing " + key + " correctly in your source"); #endif if (_defaultReader == null) { IDictionaryEnumerator en = Reader.GetEnumerator(); while (en.MoveNext()) { DictionaryEntry entry = en.Entry; String readKey = (String)entry.Key; ResourceLocator resLoc = new ResourceLocator(-1, entry.Value); _resCache.Add(readKey, resLoc); if (ignoreCase) { _caseInsensitiveTable.Add(readKey, resLoc); } } // Only close the reader if it is NOT our default one, // since we need it around to resolve ResourceLocators. if (!ignoreCase) { Reader.Close(); } } else { Contract.Assert(ignoreCase, "This should only happen for case-insensitive lookups"); ResourceReader.ResourceEnumerator en = _defaultReader.GetEnumeratorInternal(); while (en.MoveNext()) { // Note: Always ask for the resource key before the data position. String currentKey = (String)en.Key; int dataPos = en.DataPosition; ResourceLocator resLoc = new ResourceLocator(dataPos, null); _caseInsensitiveTable.Add(currentKey, resLoc); } } _haveReadFromReader = true; } Object obj = null; bool found = false; bool keyInWrongCase = false; if (_defaultReader != null) { if (_resCache.TryGetValue(key, out resLocation)) { found = true; obj = ResolveResourceLocator(resLocation, key, _resCache, keyInWrongCase); } } if (!found && ignoreCase) { if (_caseInsensitiveTable.TryGetValue(key, out resLocation)) { found = true; keyInWrongCase = true; obj = ResolveResourceLocator(resLocation, key, _resCache, keyInWrongCase); } } return(obj); } // lock(Reader) }