new

htmlparser/src/nsParserModule.cpp

@@ -0,0 +1,376 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are Copyright (C) 1998
+ * Netscape Communications Corporation.  All Rights Reserved.
+ */
+#include "nsCOMPtr.h"
+#include "nsIGenericFactory.h"
+#include "nsIModule.h"
+#include "nsParserCIID.h"
+#include "nsParser.h"
+#include "nsILoggingSink.h"
+#include "nsWellFormedDTD.h"
+#include "CNavDTD.h"
+#include "nsXIFDTD.h"
+
+static NS_DEFINE_IID(kParserCID, NS_PARSER_IID);
+static NS_DEFINE_IID(kParserNodeCID, NS_PARSER_NODE_IID);
+static NS_DEFINE_IID(kLoggingSinkCID, NS_LOGGING_SINK_IID);
+static NS_DEFINE_CID(kWellFormedDTDCID, NS_WELLFORMEDDTD_CID);
+static NS_DEFINE_CID(kNavDTDCID, NS_CNAVDTD_CID);
+static NS_DEFINE_CID(kXIFDTDCID, NS_XIF_DTD_CID);
+
+struct Components {
+  const char* mDescription;
+  const nsID* mCID;
+};
+
+static Components gComponents[] = {
+  { "Parser", &kParserCID },
+  { "ParserNode", &kParserNodeCID },
+  { "Logging sink", &kLoggingSinkCID },
+  { "Well formed DTD", &kWellFormedDTDCID },
+  { "Navigator HTML DTD", &kNavDTDCID },
+  { "XIF DTD", &kXIFDTDCID },
+};
+
+#define NUM_COMPONENTS (sizeof(gComponents) / sizeof(gComponents[0]));
+
+// Factory method to create new instances of nsParser
+static nsresult
+CreateNewParser(nsISupports* aOuter, REFNSIID aIID, void **aResult)
+{
+  if (!aResult) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  if (aOuter) {
+    *aResult = nsnull;
+    return NS_NOINTERFACE;
+  }
+  nsParser* inst = new nsParser();
+  if (!inst) {
+    *aResult = nsnull;
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  nsresult rv = inst->QueryInterface(aIID, aResult);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+    delete inst;
+  }
+  return rv;
+}
+
+// Factory method to create new instances of nsParserNode
+static nsresult
+CreateNewParserNode(nsISupports* aOuter, REFNSIID aIID, void **aResult)
+{
+  if (!aResult) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  if (aOuter) {
+    *aResult = nsnull;
+    return NS_NOINTERFACE;
+  }
+  nsCParserNode* inst = new nsCParserNode();
+  if (!inst) {
+    *aResult = nsnull;
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  nsresult rv = inst->QueryInterface(aIID, aResult);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+    delete inst;
+  }
+  return rv;
+}
+
+// Factory method to create new instances of nsILoggingSink
+static nsresult
+CreateNewLoggingSink(nsISupports* aOuter, REFNSIID aIID, void **aResult)
+{
+  if (!aResult) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  if (aOuter) {
+    *aResult = nsnull;
+    return NS_NOINTERFACE;
+  }
+  nsIContentSink* inst;
+  nsresult rv = NS_NewHTMLLoggingSink(&inst);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  rv = inst->QueryInterface(aIID, aResult);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+  }
+  NS_RELEASE(inst);             // get rid of extra refcnt
+  return rv;
+}
+
+// Factory method to create new instances of nsWellFormedDTD
+static nsresult
+CreateNewWellFormedDTD(nsISupports* aOuter, REFNSIID aIID, void **aResult)
+{
+  if (!aResult) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  if (aOuter) {
+    *aResult = nsnull;
+    return NS_NOINTERFACE;
+  }
+  nsIDTD* inst;
+  nsresult rv = NS_NewWellFormed_DTD(&inst);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  rv = inst->QueryInterface(aIID, aResult);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+  }
+  NS_RELEASE(inst);             // get rid of extra refcnt
+  return rv;
+}
+
+// Factory method to create new instances of nsNavHTMLDTD
+static nsresult
+CreateNewNavHTMLDTD(nsISupports* aOuter, REFNSIID aIID, void **aResult)
+{
+  if (!aResult) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  if (aOuter) {
+    *aResult = nsnull;
+    return NS_NOINTERFACE;
+  }
+  nsIDTD* inst;
+  nsresult rv = NS_NewNavHTMLDTD(&inst);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  rv = inst->QueryInterface(aIID, aResult);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+  }
+  NS_RELEASE(inst);             // get rid of extra refcnt
+  return rv;
+}
+
+// Factory method to create new instances of nsXIFDTD
+static nsresult
+CreateNewXIFDTD(nsISupports* aOuter, REFNSIID aIID, void **aResult)
+{
+  if (!aResult) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  if (aOuter) {
+    *aResult = nsnull;
+    return NS_NOINTERFACE;
+  }
+  nsIDTD* inst;
+  nsresult rv = NS_NewXIFDTD(&inst);
+  if (!inst) {
+    *aResult = nsnull;
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  rv = inst->QueryInterface(aIID, aResult);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+  }
+  NS_RELEASE(inst);             // get rid of extra refcnt
+  return rv;
+}
+
+//----------------------------------------------------------------------
+
+class nsParserModule : public nsIModule {
+public:
+  nsParserModule();
+  virtual ~nsParserModule();
+
+  NS_DECL_ISUPPORTS
+
+  NS_DECL_NSIMODULE
+
+  nsresult Initialize();
+
+protected:
+  void Shutdown();
+
+  PRBool mInitialized;
+};
+
+static NS_DEFINE_IID(kIModuleIID, NS_IMODULE_IID);
+
+nsParserModule::nsParserModule()
+  : mInitialized(PR_FALSE)
+{
+  NS_INIT_ISUPPORTS();
+}
+
+nsParserModule::~nsParserModule()
+{
+  Shutdown();
+}
+
+NS_IMPL_ISUPPORTS(nsParserModule, kIModuleIID)
+
+nsresult
+nsParserModule::Initialize()
+{
+  return NS_OK;
+}
+
+void
+nsParserModule::Shutdown()
+{
+}
+
+NS_IMETHODIMP
+nsParserModule::GetClassObject(nsIComponentManager *aCompMgr,
+                               const nsCID& aClass,
+                               const nsIID& aIID,
+                               void** r_classObj)
+{
+  nsresult rv;
+
+  if (!mInitialized) {
+    rv = Initialize();
+    if (NS_FAILED(rv)) {
+      return rv;
+    }
+    mInitialized = PR_TRUE;
+  }
+
+  nsCOMPtr<nsIGenericFactory> fact;
+
+  if (aClass.Equals(kParserCID)) {
+    rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewParser);
+  }
+  else if (aClass.Equals(kParserNodeCID)) {
+    rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewParserNode);
+  }
+  else if (aClass.Equals(kLoggingSinkCID)) {
+    rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewLoggingSink);
+  }
+  else if (aClass.Equals(kWellFormedDTDCID)) {
+    rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewWellFormedDTD);
+  }
+  else if (aClass.Equals(kNavDTDCID)) {
+    rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewNavHTMLDTD);
+  }
+  else if (aClass.Equals(kXIFDTDCID)) {
+    rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewXIFDTD);
+  }
+  else {
+		rv = NS_ERROR_FACTORY_NOT_REGISTERED;
+  }
+
+  if (fact) {
+    rv = fact->QueryInterface(aIID, r_classObj);
+  }
+
+  return rv;
+}
+
+NS_IMETHODIMP
+nsParserModule::RegisterSelf(nsIComponentManager *aCompMgr,
+                             nsIFileSpec* aPath,
+                             const char* registryLocation,
+                             const char* componentType)
+{
+  nsresult rv = NS_OK;
+  Components* cp = gComponents;
+  Components* end = cp + NUM_COMPONENTS;
+  while (cp < end) {
+    rv = aCompMgr->RegisterComponentSpec(*cp->mCID, cp->mDescription,
+                                         nsnull, aPath, PR_TRUE, PR_TRUE);
+    if (NS_FAILED(rv)) {
+#ifdef DEBUG
+      printf("nsParserModule: unable to register %s component => %x\n",
+             cp->mDescription, rv);
+#endif
+      break;
+    }
+    cp++;
+  }
+  return rv;
+}
+
+NS_IMETHODIMP
+nsParserModule::UnregisterSelf(nsIComponentManager *aCompMgr,
+                               nsIFileSpec* aPath,
+                               const char* registryLocation)
+{
+  Components* cp = gComponents;
+  Components* end = cp + NUM_COMPONENTS;
+  while (cp < end) {
+    nsresult rv = aCompMgr->UnregisterComponentSpec(*cp->mCID, aPath);
+    if (NS_FAILED(rv)) {
+#ifdef DEBUG
+      printf("nsParserModule: unable to unregister %s component => %x\n",
+             cp->mDescription, rv);
+#endif
+    }
+    cp++;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsParserModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
+{
+  if (!okToUnload) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  *okToUnload = PR_FALSE;
+  return NS_ERROR_FAILURE;
+}
+
+//----------------------------------------------------------------------
+
+#if 0
+static nsParserModule *gModule = NULL;
+
+extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager *servMgr,
+                                          nsIFileSpec* location,
+                                          nsIModule** return_cobj)
+{
+  nsresult rv = NS_OK;
+
+  NS_ASSERTION(return_cobj, "Null argument");
+  NS_ASSERTION(gModule == NULL, "nsParserModule: Module already created.");
+
+  // Create an initialize the layout module instance
+  nsParserModule *m = new nsParserModule();
+  if (!m) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  // Increase refcnt and store away nsIModule interface to m in return_cobj
+  rv = m->QueryInterface(nsIModule::GetIID(), (void**)return_cobj);
+  if (NS_FAILED(rv)) {
+    delete m;
+    m = nsnull;
+  }
+  gModule = m;                  // WARNING: Weak Reference
+  return rv;
+}
+#endif

layout/build/nsLayoutModule.cpp

@@ -0,0 +1,387 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are Copyright (C) 1998
+ * Netscape Communications Corporation.  All Rights Reserved.
+ */
+#include "nsCOMPtr.h"
+#include "nsLayoutModule.h"
+#include "nsLayoutCID.h"
+#include "nsIComponentManager.h"
+#include "nsNeckoUtil.h"
+#include "nsICSSStyleSheet.h"
+#include "nsICSSLoader.h"
+
+#include "nsHTMLAtoms.h"
+#include "nsCSSKeywords.h"  // to addref/release table
+#include "nsCSSProps.h"     // to addref/release table
+#include "nsCSSAtoms.h"     // to addref/release table
+#include "nsColorNames.h"   // to addref/release table
+#ifdef INCLUDE_XUL
+#include "nsXULAtoms.h"
+#endif
+#include "nsLayoutAtoms.h"
+
+#include "nsDOMCID.h"
+#include "nsIScriptContext.h"
+#include "nsINameSpaceManager.h"
+#include "nsIScriptNameSetRegistry.h"
+#include "nsIScriptNameSpaceManager.h"
+#include "nsIScriptExternalNameSet.h"
+
+#include "nsIDocumentEncoder.h"
+
+// XXX
+#include "nsIServiceManager.h"
+
+// URL for the "user agent" style sheet
+#define UA_CSS_URL "resource:/res/ua.css"
+
+static nsLayoutModule *gModule = NULL;
+
+extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager *servMgr,
+                                          nsIFileSpec* location,
+                                          nsIModule** return_cobj)
+{
+  nsresult rv = NS_OK;
+
+  NS_ASSERTION(return_cobj, "Null argument");
+  NS_ASSERTION(gModule == NULL, "nsLayoutModule: Module already created.");
+
+  // Create an initialize the layout module instance
+  nsLayoutModule *m = new nsLayoutModule();
+  if (!m) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  // Increase refcnt and store away nsIModule interface to m in return_cobj
+  rv = m->QueryInterface(nsIModule::GetIID(), (void**)return_cobj);
+  if (NS_FAILED(rv)) {
+    delete m;
+    m = nsnull;
+  }
+  gModule = m;                  // WARNING: Weak Reference
+  return rv;
+}
+
+//----------------------------------------------------------------------
+
+
+static NS_DEFINE_IID(kIScriptNameSetRegistryIID, NS_ISCRIPTNAMESETREGISTRY_IID);
+static NS_DEFINE_IID(kCScriptNameSetRegistryCID, NS_SCRIPT_NAMESET_REGISTRY_CID);
+static NS_DEFINE_IID(kIScriptNameSpaceManagerIID, NS_ISCRIPTNAMESPACEMANAGER_IID);
+static NS_DEFINE_IID(kIScriptExternalNameSetIID, NS_ISCRIPTEXTERNALNAMESET_IID);
+
+class LayoutScriptNameSet : public nsIScriptExternalNameSet {
+public:
+  LayoutScriptNameSet();
+  virtual ~LayoutScriptNameSet();
+
+  NS_DECL_ISUPPORTS
+  
+  NS_IMETHOD InitializeClasses(nsIScriptContext* aScriptContext);
+  NS_IMETHOD AddNameSet(nsIScriptContext* aScriptContext);
+};
+
+LayoutScriptNameSet::LayoutScriptNameSet()
+{
+  NS_INIT_REFCNT();
+}
+
+LayoutScriptNameSet::~LayoutScriptNameSet()
+{
+}
+
+NS_IMPL_ISUPPORTS(LayoutScriptNameSet, kIScriptExternalNameSetIID);
+
+NS_IMETHODIMP 
+LayoutScriptNameSet::InitializeClasses(nsIScriptContext* aScriptContext)
+{
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LayoutScriptNameSet::AddNameSet(nsIScriptContext* aScriptContext)
+{
+  nsresult result = NS_OK;
+  nsIScriptNameSpaceManager* manager;
+  static NS_DEFINE_IID(kHTMLImageElementCID, NS_HTMLIMAGEELEMENT_CID);
+  static NS_DEFINE_IID(kHTMLOptionElementCID, NS_HTMLOPTIONELEMENT_CID);
+
+  result = aScriptContext->GetNameSpaceManager(&manager);
+  if (NS_OK == result) {
+    result = manager->RegisterGlobalName("HTMLImageElement",
+                                         kHTMLImageElementCID,
+                                         PR_TRUE);
+    if (NS_FAILED(result)) {
+      NS_RELEASE(manager);
+      return result;
+    }
+
+    result = manager->RegisterGlobalName("HTMLOptionElement",
+                                         kHTMLOptionElementCID,
+                                         PR_TRUE);
+    if (NS_FAILED(result)) {
+      NS_RELEASE(manager);
+      return result;
+    }
+        
+    NS_RELEASE(manager);
+  }
+  
+  return result;
+}
+
+//----------------------------------------------------------------------
+
+static NS_DEFINE_IID(kIModuleIID, NS_IMODULE_IID);
+
+nsICSSStyleSheet* nsLayoutModule::gUAStyleSheet;
+
+nsIScriptNameSetRegistry* nsLayoutModule::gRegistry;
+
+nsLayoutModule::nsLayoutModule()
+  : mInitialized(PR_FALSE)
+{
+  NS_INIT_ISUPPORTS();
+#ifdef DEBUG_kipp
+  printf("*** Creating layout module %p\n", this);
+#endif
+}
+
+nsLayoutModule::~nsLayoutModule()
+{
+  Shutdown();
+#ifdef DEBUG_kipp
+  printf("*** Destroying layout module %p\n", this);
+#endif
+}
+
+NS_IMPL_ISUPPORTS(nsLayoutModule, kIModuleIID)
+
+// Perform our one-time intialization for this module
+nsresult
+nsLayoutModule::Initialize()
+{
+  if (mInitialized) {
+    return NS_OK;
+  }
+
+  // Register all of our atoms once
+  nsCSSAtoms::AddRefAtoms();
+  nsCSSKeywords::AddRefTable();
+  nsCSSProps::AddRefTable();
+  nsColorNames::AddRefTable();
+  nsHTMLAtoms::AddRefAtoms();
+#ifdef INCLUDE_XUL
+  nsXULAtoms::AddRefAtoms();
+#endif
+
+  // Load the UA style sheet
+  nsCOMPtr<nsIURI> uaURL;
+  nsresult rv = NS_NewURI(getter_AddRefs(uaURL), UA_CSS_URL);
+  if (NS_SUCCEEDED(rv)) {
+    nsCOMPtr<nsICSSLoader> cssLoader;
+    rv = NS_NewCSSLoader(getter_AddRefs(cssLoader));
+    if (cssLoader) {
+      PRBool complete;
+      rv = cssLoader->LoadAgentSheet(uaURL, gUAStyleSheet, complete,
+                                     nsnull, nsnull);
+    }
+  }
+  if (NS_FAILED(rv)) {
+#ifdef DEBUG
+    printf("*** open of %s failed: error=%x\n", UA_CSS_URL, rv);
+#endif
+    return rv;
+  }
+
+  // XXX Initialize the script name set thingy-ma-jigger
+  if (!gRegistry) {
+    rv = nsServiceManager::GetService(kCScriptNameSetRegistryCID,
+                                      kIScriptNameSetRegistryIID,
+                                      (nsISupports**) &gRegistry);
+    if (NS_SUCCEEDED(rv)) {
+      LayoutScriptNameSet* nameSet = new LayoutScriptNameSet();
+      gRegistry->AddExternalNameSet(nameSet);
+    }
+  }
+
+  return rv;
+}
+
+// Shutdown this module, releasing all of the module resources
+void
+nsLayoutModule::Shutdown()
+{
+  // Release all of our atoms
+  nsColorNames::ReleaseTable();
+  nsCSSProps::ReleaseTable();
+  nsCSSKeywords::ReleaseTable();
+  nsCSSAtoms::ReleaseAtoms();
+  nsHTMLAtoms::ReleaseAtoms();
+#ifdef INCLUDE_XUL
+  nsXULAtoms::ReleaseAtoms();
+#endif
+
+  NS_IF_RELEASE(gRegistry);
+  NS_IF_RELEASE(gUAStyleSheet);
+}
+
+NS_IMETHODIMP
+nsLayoutModule::GetClassObject(nsIComponentManager *aCompMgr,
+                               const nsCID& aClass,
+                               const nsIID& aIID,
+                               void** r_classObj)
+{
+  nsresult rv;
+
+  if (!mInitialized) {
+    rv = Initialize();
+    if (NS_FAILED(rv)) {
+      return rv;
+    }
+    mInitialized = PR_TRUE;
+  }
+
+  nsIFactory* f = new nsLayoutFactory(aClass);
+  if (!f) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  rv = f->QueryInterface(aIID, r_classObj);
+  if (NS_FAILED(rv)) {
+    delete f;
+  }
+
+  return rv;
+}
+
+//----------------------------------------
+
+struct Components {
+  const char* mDescription;
+  nsID mCID;
+  const char* mProgID;
+};
+
+// The list of components we register
+static Components gComponents[] = {
+  { "Namespace manager", NS_NAMESPACEMANAGER_CID, nsnull, },
+  { "Event listener manager", NS_EVENTLISTENERMANAGER_CID, nsnull, },
+  { "Frame utility", NS_FRAME_UTIL_CID, nsnull, },
+  { "Print preview context", NS_PRINT_PREVIEW_CONTEXT_CID, nsnull, },
+  { "Layout debugger", NS_LAYOUT_DEBUGGER_CID, nsnull, },
+
+  { "HTML document", NS_HTMLDOCUMENT_CID, nsnull, },
+  { "HTML style sheet", NS_HTMLSTYLESHEET_CID, nsnull, },
+  { "HTML-CSS style sheet", NS_HTML_CSS_STYLESHEET_CID, nsnull, },
+
+  { "XML document", NS_XMLDOCUMENT_CID, nsnull, },
+  { "Image document", NS_IMAGEDOCUMENT_CID, nsnull, },
+
+  { "CSS parser", NS_CSSPARSER_CID, nsnull, },
+  { "CSS loader", NS_CSS_LOADER_CID, nsnull, },
+
+  { "HTML element factory", NS_HTML_ELEMENT_FACTORY_CID, nsnull, },
+  { "Text element", NS_TEXTNODE_CID, nsnull, },
+
+  { "Selection", NS_SELECTION_CID, nsnull, },
+  { "Frame selection", NS_FRAMESELECTION_CID, nsnull, },
+  { "Range", NS_RANGE_CID, nsnull, },
+  { "Content iterator", NS_CONTENTITERATOR_CID, nsnull, },
+  { "Subtree iterator", NS_SUBTREEITERATOR_CID, nsnull, },
+
+  // XXX ick
+  { "HTML image element", NS_HTMLIMAGEELEMENT_CID, nsnull, },
+  { "HTML option element", NS_HTMLOPTIONELEMENT_CID, nsnull, },
+  { "Presentation shell", NS_PRESSHELL_CID, nsnull, },
+  // XXX end ick
+
+  { "HTML document encoder", NS_TEXT_ENCODER_CID,
+    NS_DOC_ENCODER_PROGID_BASE "text/html", },
+  { "Plaintext document encoder", NS_TEXT_ENCODER_CID,
+    NS_DOC_ENCODER_PROGID_BASE "text/plain", },
+  { "XIF document encoder", NS_TEXT_ENCODER_CID,
+    NS_DOC_ENCODER_PROGID_BASE "text/xif", },
+};
+#define NUM_COMPONENTS (sizeof(gComponents) / sizeof(gComponents[0]))
+
+NS_IMETHODIMP
+nsLayoutModule::RegisterSelf(nsIComponentManager *aCompMgr,
+                             nsIFileSpec* aPath,
+                             const char* registryLocation,
+                             const char* componentType)
+{
+  nsresult rv = NS_OK;
+
+#ifdef DEBUG
+  printf("*** Registering layout components\n");
+#endif
+
+  Components* cp = gComponents;
+  Components* end = cp + NUM_COMPONENTS;
+  while (cp < end) {
+    rv = aCompMgr->RegisterComponentSpec(cp->mCID, cp->mDescription,
+                                         cp->mProgID, aPath, PR_TRUE, PR_TRUE);
+    if (NS_FAILED(rv)) {
+#ifdef DEBUG
+      printf("nsLayoutModule: unable to register %s component => %x\n",
+             cp->mDescription, rv);
+#endif
+      break;
+    }
+    cp++;
+  }
+
+  rv = RegisterDocumentFactories(aCompMgr, aPath);
+
+  return rv;
+}
+
+NS_IMETHODIMP
+nsLayoutModule::UnregisterSelf(nsIComponentManager* aCompMgr,
+                               nsIFileSpec* aPath,
+                               const char* registryLocation)
+{
+#ifdef DEBUG
+  printf("*** Unregistering layout components\n");
+#endif
+  Components* cp = gComponents;
+  Components* end = cp + NUM_COMPONENTS;
+  while (cp < end) {
+    nsresult rv = aCompMgr->UnregisterComponentSpec(cp->mCID, aPath);
+    if (NS_FAILED(rv)) {
+#ifdef DEBUG
+      printf("nsLayoutModule: unable to unregister %s component => %x\n",
+             cp->mDescription, rv);
+#endif
+    }
+    cp++;
+  }
+
+  UnregisterDocumentFactories(aCompMgr, aPath);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLayoutModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
+{
+  if (!okToUnload) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  *okToUnload = PR_FALSE;
+  return NS_ERROR_FAILURE;
+}

layout/build/nsLayoutModule.h

@@ -0,0 +1,77 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are Copyright (C) 1998
+ * Netscape Communications Corporation.  All Rights Reserved.
+ */
+#ifndef nsLayoutModule_h___
+#define nsLayoutModule_h___
+
+#include "nslayout.h"
+#include "nsIModule.h"
+
+class nsICSSStyleSheet;
+class nsIScriptNameSetRegistry;
+
+// Module implementation for the layout library
+class nsLayoutModule : public nsIModule
+{
+public:
+  nsLayoutModule();
+  virtual ~nsLayoutModule();
+
+  NS_DECL_ISUPPORTS
+
+  NS_DECL_NSIMODULE
+
+  nsresult Initialize();
+
+  static nsICSSStyleSheet* GetUAStyleSheet() {
+    return gUAStyleSheet;
+  }
+
+protected:
+  void Shutdown();
+
+  nsresult RegisterDocumentFactories(nsIComponentManager* aCompMgr,
+                                     nsIFileSpec* aPath);
+
+  void UnregisterDocumentFactories(nsIComponentManager* aCompMgr,
+                                   nsIFileSpec* aPath);
+
+  PRBool mInitialized;
+//  static nsIFactory* gFactory;
+  static nsICSSStyleSheet* gUAStyleSheet;
+  static nsIScriptNameSetRegistry* gRegistry;
+};
+
+//----------------------------------------------------------------------
+
+class nsLayoutFactory : public nsIFactory
+{   
+public:   
+  nsLayoutFactory(const nsCID &aClass);   
+
+  NS_DECL_ISUPPORTS
+
+  NS_DECL_NSIFACTORY
+
+protected:
+  virtual ~nsLayoutFactory();   
+
+  nsCID     mClassID;
+};   
+
+#endif /* nsLayoutModule_h___ */

modules/libimg/jpgcom/nsJPGModule.cpp

@@ -0,0 +1,207 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http:/www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nsJPGModule.h"
+#include "nsJPGDecoder.h"
+#include "nsIComponentManager.h"
+#include "nsIGenericFactory.h"
+#include "nsISupports.h"
+#include "nsCOMPtr.h"
+
+static NS_DEFINE_CID(kJPGDecoderCID, NS_JPGDECODER_CID);
+static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
+
+
+//////////////////////////////////////////////////////////////////////
+// Module Global
+//
+// This is used by the module to count object. Constructors and
+// destructors of objects created by this module need to
+// inc/dec the object count for the module. Unload decision will
+// be taken based on this.
+//
+// Constructor:
+//	gModule->IncrementObjCount();
+//
+// Descructor:
+//	gModule->DecrementObjCount();
+//
+// WARNING: This is weak reference. XPCOM guarantees that this module
+// 			object will be deleted just before the dll is unloaded. Hence,
+//			holding a weak reference is ok.
+
+static nsJPGModule *gModule = NULL;
+
+//////////////////////////////////////////////////////////////////////
+// Module entry point
+
+extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager *servMgr,
+                                          nsIFileSpec* location,
+                                          nsIModule** return_cobj)
+{
+    nsJPGModule *module;
+    nsresult rv = NS_OK;
+
+    NS_ASSERTION(return_cobj, "Null argument");
+    NS_ASSERTION(gModule == NULL, "nsJPGModule: Module already created.");
+
+    module = new nsJPGModule;
+    if (module == NULL) return NS_ERROR_OUT_OF_MEMORY;
+
+    rv = module->QueryInterface(nsIModule::GetIID(), (void **)return_cobj);
+
+    if (NS_FAILED(rv))
+    {
+        delete module;
+        module = NULL;
+    }
+
+    // WARNING: Weak Reference
+    gModule = module;
+
+    return rv;
+}
+
+//////////////////////////////////////////////////////////////////////
+// JPG Decoder Factory using nsIGenericFactory
+
+static NS_IMETHODIMP
+nsJPGDecoderCreateInstance(nsISupports *aOuter, REFNSIID aIID, void **aResult)
+{
+    JPGDecoder *dec = NULL;
+    *aResult = NULL;
+    il_container* ic = NULL;
+
+    if (aOuter && !aIID.Equals(kISupportsIID))
+        return NS_NOINTERFACE;  
+
+    ic = new il_container();
+    if (!ic)
+    {
+        return NS_ERROR_OUT_OF_MEMORY;
+    }
+    dec = new JPGDecoder(ic);
+    if (!dec)
+    {
+        delete ic;
+        return NS_ERROR_OUT_OF_MEMORY;
+    }
+    nsresult res = dec->QueryInterface(aIID, aResult);
+    if (NS_FAILED(res))
+    {
+        *aResult = NULL;
+        delete dec;
+    }
+    delete ic; /* is a place holder */
+    return res;
+}
+
+
+//////////////////////////////////////////////////////////////////////
+// JPG Decoder Module Implementation
+
+NS_IMPL_ISUPPORTS(nsJPGModule, nsIModule::GetIID())
+
+nsJPGModule::nsJPGModule(void)
+  : mObjCount(-1), mClassObject(NULL)
+{
+    NS_INIT_ISUPPORTS();
+}
+
+nsJPGModule::~nsJPGModule(void)
+{
+    NS_ASSERTION(mObjCount <= 0, "Module released while having outstanding objects.");
+    if (mClassObject)
+    {
+        int refcnt;
+        NS_RELEASE2(mClassObject, refcnt);
+        NS_ASSERTION(refcnt == 0, "nsJPGModule::~nsJPGModule() ClassObject refcount nonzero");
+    }
+}
+
+//
+// The class object for us is just the factory and nothing more.
+//
+NS_IMETHODIMP
+nsJPGModule::GetClassObject(nsIComponentManager *aCompMgr, const nsCID & aClass,
+                            const nsIID &aIID, void **r_classObj)
+{
+    nsresult rv;
+
+    if( !aClass.Equals(kJPGDecoderCID))
+		return NS_ERROR_FACTORY_NOT_REGISTERED;
+
+    // If this aint the first time, return the cached class object
+    if (mClassObject == NULL)
+    {
+        nsCOMPtr<nsIGenericFactory> fact;
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), nsJPGDecoderCreateInstance);
+        if (NS_FAILED(rv)) return rv;
+    
+        // Store the class object in our global
+        rv = fact->QueryInterface(NS_GET_IID(nsISupports), (void **)&mClassObject);
+        if (NS_FAILED(rv)) return rv;
+    }
+
+    rv = mClassObject->QueryInterface(aIID, r_classObj);
+    return rv;
+}
+
+NS_IMETHODIMP
+nsJPGModule::RegisterSelf(nsIComponentManager *aCompMgr,
+                          nsIFileSpec *location,
+                          const char *registryLocation,
+                          const char *componentType)
+{
+    nsresult rv;
+    rv = aCompMgr->RegisterComponentSpec(kJPGDecoderCID, 
+                                         "Netscape JPGDec", 
+                                         "component://netscape/image/decoder&type=image/jpeg",
+                                         location, PR_TRUE, PR_TRUE);
+    return rv;
+}
+
+NS_IMETHODIMP
+nsJPGModule::UnregisterSelf(nsIComponentManager *aCompMgr,
+                            nsIFileSpec *location,
+                            const char *registryLocation)
+{
+    nsresult rv;
+    rv = aCompMgr->UnregisterComponentSpec(kJPGDecoderCID, location);
+    return rv;
+}
+
+NS_IMETHODIMP
+nsJPGModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
+{
+    if (mObjCount < 0)
+    {
+        // Dll doesn't count objects.
+        return NS_ERROR_FAILURE;
+    }
+
+    PRBool unloadable = PR_FALSE;
+    if (mObjCount == 0)
+    {
+        // This dll can be unloaded now
+        unloadable = PR_TRUE;
+    }
+
+    if (okToUnload) *okToUnload = unloadable;
+    return NS_OK;
+}

modules/libimg/jpgcom/nsJPGModule.h

@@ -0,0 +1,45 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http:/www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+#ifndef nsJPGModule_h___
+#define nsJPGModule_h___
+
+#include "nsIModule.h"
+
+class nsJPGModule : public nsIModule
+{
+public:
+    NS_DECL_ISUPPORTS
+
+    // Construction, Init and desstruction
+    nsJPGModule();
+    virtual ~nsJPGModule();
+
+    // nsIModule Interfaces
+    NS_DECL_NSIMODULE
+
+    // Facility for counting object instances
+    int IncrementObjCount() { if (mObjCount == -1) mObjCount = 0; return ++mObjCount; }
+    int DecrementObjCount() { if (mObjCount == -1) mObjCount = 0; return --mObjCount; }
+    int GetObjCount() { return mObjCount; }
+
+private:
+    int mObjCount;
+    nsISupports* mClassObject;
+};
+
+#endif /* nsJPGModule_h___ */

parser/htmlparser/src/nsParserModule.cpp

@@ -0,0 +1,376 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are Copyright (C) 1998
+ * Netscape Communications Corporation.  All Rights Reserved.
+ */
+#include "nsCOMPtr.h"
+#include "nsIGenericFactory.h"
+#include "nsIModule.h"
+#include "nsParserCIID.h"
+#include "nsParser.h"
+#include "nsILoggingSink.h"
+#include "nsWellFormedDTD.h"
+#include "CNavDTD.h"
+#include "nsXIFDTD.h"
+
+static NS_DEFINE_IID(kParserCID, NS_PARSER_IID);
+static NS_DEFINE_IID(kParserNodeCID, NS_PARSER_NODE_IID);
+static NS_DEFINE_IID(kLoggingSinkCID, NS_LOGGING_SINK_IID);
+static NS_DEFINE_CID(kWellFormedDTDCID, NS_WELLFORMEDDTD_CID);
+static NS_DEFINE_CID(kNavDTDCID, NS_CNAVDTD_CID);
+static NS_DEFINE_CID(kXIFDTDCID, NS_XIF_DTD_CID);
+
+struct Components {
+  const char* mDescription;
+  const nsID* mCID;
+};
+
+static Components gComponents[] = {
+  { "Parser", &kParserCID },
+  { "ParserNode", &kParserNodeCID },
+  { "Logging sink", &kLoggingSinkCID },
+  { "Well formed DTD", &kWellFormedDTDCID },
+  { "Navigator HTML DTD", &kNavDTDCID },
+  { "XIF DTD", &kXIFDTDCID },
+};
+
+#define NUM_COMPONENTS (sizeof(gComponents) / sizeof(gComponents[0]));
+
+// Factory method to create new instances of nsParser
+static nsresult
+CreateNewParser(nsISupports* aOuter, REFNSIID aIID, void **aResult)
+{
+  if (!aResult) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  if (aOuter) {
+    *aResult = nsnull;
+    return NS_NOINTERFACE;
+  }
+  nsParser* inst = new nsParser();
+  if (!inst) {
+    *aResult = nsnull;
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  nsresult rv = inst->QueryInterface(aIID, aResult);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+    delete inst;
+  }
+  return rv;
+}
+
+// Factory method to create new instances of nsParserNode
+static nsresult
+CreateNewParserNode(nsISupports* aOuter, REFNSIID aIID, void **aResult)
+{
+  if (!aResult) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  if (aOuter) {
+    *aResult = nsnull;
+    return NS_NOINTERFACE;
+  }
+  nsCParserNode* inst = new nsCParserNode();
+  if (!inst) {
+    *aResult = nsnull;
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  nsresult rv = inst->QueryInterface(aIID, aResult);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+    delete inst;
+  }
+  return rv;
+}
+
+// Factory method to create new instances of nsILoggingSink
+static nsresult
+CreateNewLoggingSink(nsISupports* aOuter, REFNSIID aIID, void **aResult)
+{
+  if (!aResult) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  if (aOuter) {
+    *aResult = nsnull;
+    return NS_NOINTERFACE;
+  }
+  nsIContentSink* inst;
+  nsresult rv = NS_NewHTMLLoggingSink(&inst);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  rv = inst->QueryInterface(aIID, aResult);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+  }
+  NS_RELEASE(inst);             // get rid of extra refcnt
+  return rv;
+}
+
+// Factory method to create new instances of nsWellFormedDTD
+static nsresult
+CreateNewWellFormedDTD(nsISupports* aOuter, REFNSIID aIID, void **aResult)
+{
+  if (!aResult) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  if (aOuter) {
+    *aResult = nsnull;
+    return NS_NOINTERFACE;
+  }
+  nsIDTD* inst;
+  nsresult rv = NS_NewWellFormed_DTD(&inst);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  rv = inst->QueryInterface(aIID, aResult);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+  }
+  NS_RELEASE(inst);             // get rid of extra refcnt
+  return rv;
+}
+
+// Factory method to create new instances of nsNavHTMLDTD
+static nsresult
+CreateNewNavHTMLDTD(nsISupports* aOuter, REFNSIID aIID, void **aResult)
+{
+  if (!aResult) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  if (aOuter) {
+    *aResult = nsnull;
+    return NS_NOINTERFACE;
+  }
+  nsIDTD* inst;
+  nsresult rv = NS_NewNavHTMLDTD(&inst);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  rv = inst->QueryInterface(aIID, aResult);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+  }
+  NS_RELEASE(inst);             // get rid of extra refcnt
+  return rv;
+}
+
+// Factory method to create new instances of nsXIFDTD
+static nsresult
+CreateNewXIFDTD(nsISupports* aOuter, REFNSIID aIID, void **aResult)
+{
+  if (!aResult) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  if (aOuter) {
+    *aResult = nsnull;
+    return NS_NOINTERFACE;
+  }
+  nsIDTD* inst;
+  nsresult rv = NS_NewXIFDTD(&inst);
+  if (!inst) {
+    *aResult = nsnull;
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  rv = inst->QueryInterface(aIID, aResult);
+  if (NS_FAILED(rv)) {
+    *aResult = nsnull;
+  }
+  NS_RELEASE(inst);             // get rid of extra refcnt
+  return rv;
+}
+
+//----------------------------------------------------------------------
+
+class nsParserModule : public nsIModule {
+public:
+  nsParserModule();
+  virtual ~nsParserModule();
+
+  NS_DECL_ISUPPORTS
+
+  NS_DECL_NSIMODULE
+
+  nsresult Initialize();
+
+protected:
+  void Shutdown();
+
+  PRBool mInitialized;
+};
+
+static NS_DEFINE_IID(kIModuleIID, NS_IMODULE_IID);
+
+nsParserModule::nsParserModule()
+  : mInitialized(PR_FALSE)
+{
+  NS_INIT_ISUPPORTS();
+}
+
+nsParserModule::~nsParserModule()
+{
+  Shutdown();
+}
+
+NS_IMPL_ISUPPORTS(nsParserModule, kIModuleIID)
+
+nsresult
+nsParserModule::Initialize()
+{
+  return NS_OK;
+}
+
+void
+nsParserModule::Shutdown()
+{
+}
+
+NS_IMETHODIMP
+nsParserModule::GetClassObject(nsIComponentManager *aCompMgr,
+                               const nsCID& aClass,
+                               const nsIID& aIID,
+                               void** r_classObj)
+{
+  nsresult rv;
+
+  if (!mInitialized) {
+    rv = Initialize();
+    if (NS_FAILED(rv)) {
+      return rv;
+    }
+    mInitialized = PR_TRUE;
+  }
+
+  nsCOMPtr<nsIGenericFactory> fact;
+
+  if (aClass.Equals(kParserCID)) {
+    rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewParser);
+  }
+  else if (aClass.Equals(kParserNodeCID)) {
+    rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewParserNode);
+  }
+  else if (aClass.Equals(kLoggingSinkCID)) {
+    rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewLoggingSink);
+  }
+  else if (aClass.Equals(kWellFormedDTDCID)) {
+    rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewWellFormedDTD);
+  }
+  else if (aClass.Equals(kNavDTDCID)) {
+    rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewNavHTMLDTD);
+  }
+  else if (aClass.Equals(kXIFDTDCID)) {
+    rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewXIFDTD);
+  }
+  else {
+		rv = NS_ERROR_FACTORY_NOT_REGISTERED;
+  }
+
+  if (fact) {
+    rv = fact->QueryInterface(aIID, r_classObj);
+  }
+
+  return rv;
+}
+
+NS_IMETHODIMP
+nsParserModule::RegisterSelf(nsIComponentManager *aCompMgr,
+                             nsIFileSpec* aPath,
+                             const char* registryLocation,
+                             const char* componentType)
+{
+  nsresult rv = NS_OK;
+  Components* cp = gComponents;
+  Components* end = cp + NUM_COMPONENTS;
+  while (cp < end) {
+    rv = aCompMgr->RegisterComponentSpec(*cp->mCID, cp->mDescription,
+                                         nsnull, aPath, PR_TRUE, PR_TRUE);
+    if (NS_FAILED(rv)) {
+#ifdef DEBUG
+      printf("nsParserModule: unable to register %s component => %x\n",
+             cp->mDescription, rv);
+#endif
+      break;
+    }
+    cp++;
+  }
+  return rv;
+}
+
+NS_IMETHODIMP
+nsParserModule::UnregisterSelf(nsIComponentManager *aCompMgr,
+                               nsIFileSpec* aPath,
+                               const char* registryLocation)
+{
+  Components* cp = gComponents;
+  Components* end = cp + NUM_COMPONENTS;
+  while (cp < end) {
+    nsresult rv = aCompMgr->UnregisterComponentSpec(*cp->mCID, aPath);
+    if (NS_FAILED(rv)) {
+#ifdef DEBUG
+      printf("nsParserModule: unable to unregister %s component => %x\n",
+             cp->mDescription, rv);
+#endif
+    }
+    cp++;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsParserModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
+{
+  if (!okToUnload) {
+    return NS_ERROR_INVALID_POINTER;
+  }
+  *okToUnload = PR_FALSE;
+  return NS_ERROR_FAILURE;
+}
+
+//----------------------------------------------------------------------
+
+#if 0
+static nsParserModule *gModule = NULL;
+
+extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager *servMgr,
+                                          nsIFileSpec* location,
+                                          nsIModule** return_cobj)
+{
+  nsresult rv = NS_OK;
+
+  NS_ASSERTION(return_cobj, "Null argument");
+  NS_ASSERTION(gModule == NULL, "nsParserModule: Module already created.");
+
+  // Create an initialize the layout module instance
+  nsParserModule *m = new nsParserModule();
+  if (!m) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  // Increase refcnt and store away nsIModule interface to m in return_cobj
+  rv = m->QueryInterface(nsIModule::GetIID(), (void**)return_cobj);
+  if (NS_FAILED(rv)) {
+    delete m;
+    m = nsnull;
+  }
+  gModule = m;                  // WARNING: Weak Reference
+  return rv;
+}
+#endif

rdf/build/nsRDFModule.cpp

@@ -0,0 +1,423 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+#include "nsCOMPtr.h"
+#include "nsRDFModule.h"
+#include "nsIFactory.h"
+#include "nsIGenericFactory.h"
+#include "nsILocalStore.h"
+#include "nsIRDFContainer.h"
+#include "nsIRDFContainerUtils.h"
+#include "nsIRDFCompositeDataSource.h"
+#include "nsIRDFContentModelBuilder.h"
+#include "nsIRDFContentSink.h"
+#include "nsIRDFDocument.h"
+#include "nsIRDFService.h"
+#include "nsIXULContentSink.h"
+#include "nsISupports.h"
+#include "nsRDFBaseDataSources.h"
+#include "nsRDFBuiltInDataSources.h"
+#include "nsIRDFFileSystem.h"
+#include "nsRDFCID.h"
+#include "nsIComponentManager.h"
+#include "rdf.h"
+#include "nsIXULContentUtils.h"
+#include "nsIXULSortService.h"
+#include "nsIXULDocumentInfo.h"
+#include "nsIXULPopupListener.h"
+#include "nsIXULKeyListener.h"
+#include "nsIXULCommandDispatcher.h"
+#include "nsIServiceManager.h"
+
+static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
+static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
+static NS_DEFINE_IID(kIFactoryIID,  NS_IFACTORY_IID);
+
+static NS_DEFINE_CID(kGenericFactoryCID,                  NS_GENERICFACTORY_CID);
+static NS_DEFINE_CID(kLocalStoreCID,                      NS_LOCALSTORE_CID);
+static NS_DEFINE_CID(kRDFCompositeDataSourceCID,          NS_RDFCOMPOSITEDATASOURCE_CID);
+static NS_DEFINE_CID(kRDFContainerCID,                    NS_RDFCONTAINER_CID);
+static NS_DEFINE_CID(kRDFContainerUtilsCID,               NS_RDFCONTAINERUTILS_CID);
+static NS_DEFINE_CID(kRDFContentSinkCID,                  NS_RDFCONTENTSINK_CID);
+static NS_DEFINE_CID(kRDFDefaultResourceCID,              NS_RDFDEFAULTRESOURCE_CID);
+static NS_DEFINE_CID(kRDFFileSystemDataSourceCID,         NS_RDFFILESYSTEMDATASOURCE_CID);
+static NS_DEFINE_CID(kRDFSearchDataSourceCID,             NS_RDFSEARCHDATASOURCE_CID);
+static NS_DEFINE_CID(kRDFFindDataSourceCID,               NS_RDFFINDDATASOURCE_CID);
+static NS_DEFINE_CID(kRDFFTPDataSourceCID,                NS_RDFFTPDATASOURCE_CID);
+static NS_DEFINE_CID(kRDFInMemoryDataSourceCID,           NS_RDFINMEMORYDATASOURCE_CID);
+static NS_DEFINE_CID(kRDFServiceCID,                      NS_RDFSERVICE_CID);
+static NS_DEFINE_CID(kRDFXMLDataSourceCID,                NS_RDFXMLDATASOURCE_CID);
+static NS_DEFINE_CID(kRDFXULBuilderCID,                   NS_RDFXULBUILDER_CID);
+static NS_DEFINE_CID(kXULContentSinkCID,                  NS_XULCONTENTSINK_CID);
+static NS_DEFINE_CID(kXULContentUtilsCID,                 NS_XULCONTENTUTILS_CID);
+static NS_DEFINE_CID(kXULDocumentCID,                     NS_XULDOCUMENT_CID);
+static NS_DEFINE_CID(kXULSortServiceCID,                  NS_XULSORTSERVICE_CID);
+static NS_DEFINE_CID(kXULDocumentInfoCID,                 NS_XULDOCUMENTINFO_CID);
+static NS_DEFINE_CID(kXULPopupListenerCID,                NS_XULPOPUPLISTENER_CID);
+static NS_DEFINE_CID(kXULKeyListenerCID,                  NS_XULKEYLISTENER_CID);
+static NS_DEFINE_CID(kXULCommandDispatcherCID,            NS_XULCOMMANDDISPATCHER_CID);
+static NS_DEFINE_CID(kXULTemplateBuilderCID,              NS_XULTEMPLATEBUILDER_CID);
+
+//----------------------------------------------------------------------
+
+// Functions used to create new instances of a given object by the
+// generic factory.
+
+#define MAKE_CTOR(_func,_new,_ifname)                                \
+static nsresult                                                      \
+CreateNew##_func(nsISupports* aOuter, REFNSIID aIID, void **aResult) \
+{                                                                    \
+    if (!aResult) {                                                  \
+        return NS_ERROR_INVALID_POINTER;                             \
+    }                                                                \
+    if (aOuter) {                                                    \
+        *aResult = nsnull;                                           \
+        return NS_ERROR_NO_AGGREGATION;                              \
+    }                                                                \
+    nsI##_ifname* inst;                                              \
+    nsresult rv = NS_New##_new(&inst);                               \
+    if (NS_FAILED(rv)) {                                             \
+        *aResult = nsnull;                                           \
+        return NS_ERROR_OUT_OF_MEMORY;                               \
+    }                                                                \
+    rv = inst->QueryInterface(aIID, aResult);                        \
+    if (NS_FAILED(rv)) {                                             \
+        *aResult = nsnull;                                           \
+    }                                                                \
+    NS_RELEASE(inst);             /* get rid of extra refcnt */      \
+    return rv;                                                       \
+}
+
+extern nsresult
+NS_NewDefaultResource(nsIRDFResource** aResult);
+
+MAKE_CTOR(RDFService,RDFService,RDFService)
+MAKE_CTOR(XULSortService,XULSortService,XULSortService)
+MAKE_CTOR(XULPopupListener,XULPopupListener,XULPopupListener)
+MAKE_CTOR(XULKeyListener,XULKeyListener,XULKeyListener)
+MAKE_CTOR(XULCommandDispatcher,XULCommandDispatcher,XULCommandDispatcher)
+
+MAKE_CTOR(RDFXMLDataSource,RDFXMLDataSource,RDFDataSource)
+MAKE_CTOR(RDFFileSystemDataSource,RDFFileSystemDataSource,RDFDataSource)
+MAKE_CTOR(RDFFTPDataSource,RDFFTPDataSource,RDFDataSource)
+MAKE_CTOR(RDFCompositeDataSource,RDFCompositeDataSource,RDFCompositeDataSource)
+MAKE_CTOR(RDFContainer,RDFContainer,RDFContainer)
+
+MAKE_CTOR(RDFContainerUtils,RDFContainerUtils,RDFContainerUtils)
+MAKE_CTOR(XULDocument,XULDocument,RDFDocument)
+MAKE_CTOR(XULDocumentInfo,XULDocumentInfo,XULDocumentInfo)
+MAKE_CTOR(XULTemplateBuilder,XULTemplateBuilder,RDFContentModelBuilder)
+MAKE_CTOR(RDFXULBuilder,RDFXULBuilder,RDFContentModelBuilder)
+
+MAKE_CTOR(RDFContentSink,RDFContentSink,RDFContentSink)
+MAKE_CTOR(XULContentSink,XULContentSink,XULContentSink)
+MAKE_CTOR(RDFDefaultResource,DefaultResource,RDFResource)
+MAKE_CTOR(LocalStore,LocalStore,LocalStore)
+
+//----------------------------------------------------------------------
+
+static NS_DEFINE_IID(kIModuleIID, NS_IMODULE_IID);
+
+nsRDFModule::nsRDFModule()
+  : mInitialized(PR_FALSE)
+{
+    NS_INIT_ISUPPORTS();
+}
+
+nsRDFModule::~nsRDFModule()
+{
+    Shutdown();
+}
+
+NS_IMPL_ISUPPORTS(nsRDFModule, kIModuleIID)
+
+// Perform our one-time intialization for this module
+nsresult
+nsRDFModule::Initialize()
+{
+    if (mInitialized) {
+        return NS_OK;
+    }
+
+    return NS_OK;
+}
+
+// Shutdown this module, releasing all of the module resources
+void
+nsRDFModule::Shutdown()
+{
+}
+
+NS_IMETHODIMP
+nsRDFModule::GetClassObject(nsIComponentManager *aCompMgr,
+                            const nsCID& aClass,
+                            const nsIID& aIID,
+                            void** r_classObj)
+{
+    nsresult rv;
+
+    // Defensive programming: Initialize *r_classObj in case of error below
+    if (!r_classObj) {
+        return NS_ERROR_INVALID_POINTER;
+    }
+    *r_classObj = NULL;
+
+    if (!mInitialized) {
+        rv = Initialize();
+        if (NS_FAILED(rv)) {
+            return rv;
+        }
+        mInitialized = PR_TRUE;
+    }
+
+    nsCOMPtr<nsIGenericFactory> fact;
+
+    // Note: these are in the same order as the registration table
+    // below, not in frequency of use order.
+    if (aClass.Equals(kRDFCompositeDataSourceCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewRDFCompositeDataSource);
+    }
+    else if (aClass.Equals(kRDFFileSystemDataSourceCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewRDFFileSystemDataSource);
+    }
+    else if (aClass.Equals(kRDFFTPDataSourceCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewRDFFTPDataSource);
+    }
+    else if (aClass.Equals(kRDFInMemoryDataSourceCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewRDFInMemoryDataSource);
+    }
+    else if (aClass.Equals(kLocalStoreCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewLocalStore);
+    }
+    else if (aClass.Equals(kRDFXMLDataSourceCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewRDFXMLDataSource);
+    }
+    else if (aClass.Equals(kRDFDefaultResourceCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewRDFDefaultResource);
+    }
+    else if (aClass.Equals(kRDFContentSinkCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewRDFContentSink);
+    }
+    else if (aClass.Equals(kRDFContainerCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewRDFContainer);
+    }
+    else if (aClass.Equals(kRDFContainerUtilsCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewRDFContainerUtils);
+    }
+    else if (aClass.Equals(kRDFServiceCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewRDFService);
+    }
+    else if (aClass.Equals(kXULSortServiceCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewXULSortService);
+    }
+    else if (aClass.Equals(kXULTemplateBuilderCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewXULTemplateBuilder);
+    }
+    else if (aClass.Equals(kRDFXULBuilderCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewRDFXULBuilder);
+    }
+    else if (aClass.Equals(kXULContentSinkCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewXULContentSink);
+    }
+    else if (aClass.Equals(kXULDocumentCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewXULDocument);
+    }
+    else if (aClass.Equals(kXULDocumentInfoCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewXULDocumentInfo);
+    }
+    else if (aClass.Equals(kXULPopupListenerCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewXULPopupListener);
+    }
+    else if (aClass.Equals(kXULKeyListenerCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewXULKeyListener);
+    }
+    else if (aClass.Equals(kXULCommandDispatcherCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), CreateNewXULCommandDispatcher);
+    }
+    else if (aClass.Equals(kXULContentUtilsCID)) {
+        rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewXULContentUtils);
+    }
+    else {
+		rv = NS_ERROR_FACTORY_NOT_REGISTERED;
+#ifdef DEBUG
+        char* cs = aClass.ToString();
+        printf("+++ nsRDFModule: unable to create factory for %s\n", cs);
+        nsCRT::free(cs);
+#endif
+    }
+
+    if (fact) {
+        rv = fact->QueryInterface(aIID, r_classObj);
+    }
+
+    return rv;
+}
+
+//----------------------------------------
+
+struct Components {
+    const char* mDescription;
+    nsID mCID;
+    const char* mProgID;
+};
+
+// The list of components we register
+static Components gComponents[] = {
+    // register our build-in datasources:
+    { "RDF Composite Data Source", kRDFCompositeDataSourceCID,
+      NS_RDF_DATASOURCE_PROGID_PREFIX "composite-datasource", },
+    { "RDF File System Data Source", kRDFFileSystemDataSourceCID,
+      NS_RDF_DATASOURCE_PROGID_PREFIX "files", },
+    { "RDF FTP Data Source", kRDFFTPDataSourceCID,
+      NS_RDF_DATASOURCE_PROGID_PREFIX "ftp", },
+    { "RDF In-Memory Data Source", kRDFInMemoryDataSourceCID,
+      NS_RDF_DATASOURCE_PROGID_PREFIX "in-memory-datasource", },
+    { "Local Store", kLocalStoreCID,
+      NS_RDF_DATASOURCE_PROGID_PREFIX "local-store", },
+    { "RDF XML Data Source", kRDFXMLDataSourceCID,
+      NS_RDF_DATASOURCE_PROGID_PREFIX "xml-datasource", },
+
+    // register our built-in resource factories:
+    { "RDF Default Resource Factory", kRDFDefaultResourceCID,
+      // Note: default resource factory has no name= part
+      NS_RDF_RESOURCE_FACTORY_PROGID, },
+
+    // register all the other rdf components:
+    { "RDF Content Sink", kRDFContentSinkCID,
+      NS_RDF_PROGID "/content-sink", },
+    { "RDF Container", kRDFContainerCID,
+      NS_RDF_PROGID "/container", },
+    { "RDF Container Utilities", kRDFContainerUtilsCID,
+      NS_RDF_PROGID "/container-utils", },
+    { "RDF Service", kRDFServiceCID,
+      NS_RDF_PROGID "/rdf-service", },
+    { "XUL Sort Service", kXULSortServiceCID,
+      NS_RDF_PROGID "/xul-sort-service", },
+    { "XUL Template Builder", kXULTemplateBuilderCID,
+      NS_RDF_PROGID "/xul-template-builder", },
+    { "RDF XUL Builder", kRDFXULBuilderCID,
+      NS_RDF_PROGID "/xul-builder", },
+    { "XUL Content Sink", kXULContentSinkCID,
+      NS_RDF_PROGID "/xul-content-sink", },
+    { "XUL Document", kXULDocumentCID,
+      NS_RDF_PROGID "/xul-document", },
+    { "XUL Document Info", kXULDocumentInfoCID,
+      NS_RDF_PROGID "/xul-document-info", },
+    { "XUL PopupListener", kXULPopupListenerCID,
+      NS_RDF_PROGID "/xul-popup-listener", },
+    { "XUL KeyListener", kXULKeyListenerCID,
+      NS_RDF_PROGID "/xul-key-listener", },
+    { "XUL CommandDispatcher", kXULCommandDispatcherCID,
+      NS_RDF_PROGID "/xul-command-dispatcher", },
+    { "XUL Content Utilities", kXULContentUtilsCID,
+      NS_RDF_PROGID "/xul-content-utils", },
+};
+#define NUM_COMPONENTS (sizeof(gComponents) / sizeof(gComponents[0]))
+
+NS_IMETHODIMP
+nsRDFModule::RegisterSelf(nsIComponentManager *aCompMgr,
+                          nsIFileSpec* aPath,
+                          const char* registryLocation,
+                          const char* componentType)
+{
+    nsresult rv = NS_OK;
+
+#ifdef DEBUG
+    printf("*** Registering rdf components\n");
+#endif
+
+    Components* cp = gComponents;
+    Components* end = cp + NUM_COMPONENTS;
+    while (cp < end) {
+        rv = aCompMgr->RegisterComponentSpec(cp->mCID, cp->mDescription,
+                                             cp->mProgID, aPath, PR_TRUE,
+                                             PR_TRUE);
+        if (NS_FAILED(rv)) {
+#ifdef DEBUG
+            printf("nsRDFModule: unable to register %s component => %x\n",
+                   cp->mDescription, rv);
+#endif
+            break;
+        }
+        cp++;
+    }
+
+    return rv;
+}
+
+NS_IMETHODIMP
+nsRDFModule::UnregisterSelf(nsIComponentManager* aCompMgr,
+                            nsIFileSpec* aPath,
+                            const char* registryLocation)
+{
+#ifdef DEBUG
+    printf("*** Unregistering rdf components\n");
+#endif
+    Components* cp = gComponents;
+    Components* end = cp + NUM_COMPONENTS;
+    while (cp < end) {
+        nsresult rv = aCompMgr->UnregisterComponentSpec(cp->mCID, aPath);
+        if (NS_FAILED(rv)) {
+#ifdef DEBUG
+            printf("nsRDFModule: unable to unregister %s component => %x\n",
+                   cp->mDescription, rv);
+#endif
+        }
+        cp++;
+    }
+
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsRDFModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
+{
+    if (!okToUnload) {
+        return NS_ERROR_INVALID_POINTER;
+    }
+    *okToUnload = PR_FALSE;
+    return NS_ERROR_FAILURE;
+}
+
+//----------------------------------------------------------------------
+
+static nsRDFModule *gModule = NULL;
+
+extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager *servMgr,
+                                          nsIFileSpec* location,
+                                          nsIModule** return_cobj)
+{
+    nsresult rv = NS_OK;
+
+    NS_ASSERTION(return_cobj, "Null argument");
+    NS_ASSERTION(gModule == NULL, "nsRDFModule: Module already created.");
+
+    // Create an initialize the layout module instance
+    nsRDFModule *m = new nsRDFModule();
+    if (!m) {
+        return NS_ERROR_OUT_OF_MEMORY;
+    }
+
+    // Increase refcnt and store away nsIModule interface to m in return_cobj
+    rv = m->QueryInterface(nsIModule::GetIID(), (void**)return_cobj);
+    if (NS_FAILED(rv)) {
+        delete m;
+        m = nsnull;
+    }
+    gModule = m;                  // WARNING: Weak Reference
+    return rv;
+}

rdf/build/nsRDFModule.h

@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are Copyright (C) 1998
+ * Netscape Communications Corporation.  All Rights Reserved.
+ */
+#ifndef nsRDFModule_h___
+#define nsRDFModule_h___
+
+#include "rdf.h"
+#include "nsIModule.h"
+
+// Module implementation for the rdf library
+class nsRDFModule : public nsIModule
+{
+public:
+  nsRDFModule();
+  virtual ~nsRDFModule();
+
+  NS_DECL_ISUPPORTS
+
+  NS_DECL_NSIMODULE
+
+  nsresult Initialize();
+
+protected:
+  void Shutdown();
+
+  PRBool mInitialized;
+};
+
+#endif /* nsRDFModule_h___ */