Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 626 insertions, 0 deletions

diff --git a/netwerk/base/nsStandardURL.h b/netwerk/base/nsStandardURL.h
new file mode 100644
index 0000000000..a4f644e722
--- /dev/null
+++ b/netwerk/base/nsStandardURL.h
@@ -0,0 +1,626 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsStandardURL_h__
+#define nsStandardURL_h__
+
+#include <bitset>
+
+#include "nsString.h"
+#include "nsISerializable.h"
+#include "nsIFileURL.h"
+#include "nsIStandardURL.h"
+#include "mozilla/Encoding.h"
+#include "nsCOMPtr.h"
+#include "nsURLHelper.h"
+#include "nsISizeOf.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/LinkedList.h"
+#include "mozilla/MemoryReporting.h"
+#include "nsISensitiveInfoHiddenURI.h"
+#include "nsIURIMutator.h"
+
+#ifdef NS_BUILD_REFCNT_LOGGING
+#  define DEBUG_DUMP_URLS_AT_SHUTDOWN
+#endif
+
+class nsIBinaryInputStream;
+class nsIBinaryOutputStream;
+class nsIIDNService;
+class nsIPrefBranch;
+class nsIFile;
+class nsIURLParser;
+
+namespace mozilla {
+class Encoding;
+namespace net {
+
+template <typename T>
+class URLSegmentNumber {
+  T mData{0};
+  bool mParity{false};
+
+ public:
+  URLSegmentNumber() = default;
+  explicit URLSegmentNumber(T data) : mData(data) {
+    mParity = CalculateParity();
+  }
+  bool operator==(URLSegmentNumber value) const { return mData == value.mData; }
+  bool operator!=(URLSegmentNumber value) const { return mData != value.mData; }
+  bool operator>(URLSegmentNumber value) const { return mData > value.mData; }
+  URLSegmentNumber operator+(int32_t value) const {
+    return URLSegmentNumber(mData + value);
+  }
+  URLSegmentNumber operator+(uint32_t value) const {
+    return URLSegmentNumber(mData + value);
+  }
+  URLSegmentNumber operator-(int32_t value) const {
+    return URLSegmentNumber(mData - value);
+  }
+  URLSegmentNumber operator-(uint32_t value) const {
+    return URLSegmentNumber(mData - value);
+  }
+  URLSegmentNumber operator+=(URLSegmentNumber value) {
+    mData += value.mData;
+    mParity = CalculateParity();
+    return *this;
+  }
+  URLSegmentNumber operator+=(T value) {
+    mData += value;
+    mParity = CalculateParity();
+    return *this;
+  }
+  URLSegmentNumber operator-=(URLSegmentNumber value) {
+    mData -= value.mData;
+    mParity = CalculateParity();
+    return *this;
+  }
+  URLSegmentNumber operator-=(T value) {
+    mData -= value;
+    mParity = CalculateParity();
+    return *this;
+  }
+  operator T() const { return mData; }
+  URLSegmentNumber& operator=(T value) {
+    mData = value;
+    mParity = CalculateParity();
+    return *this;
+  }
+  URLSegmentNumber& operator++() {
+    ++mData;
+    mParity = CalculateParity();
+    return *this;
+  }
+  URLSegmentNumber operator++(int) {
+    URLSegmentNumber value = *this;
+    *this += 1;
+    return value;
+  }
+  bool CalculateParity() const {
+    std::bitset<32> bits((uint32_t)mData);
+    return bits.count() % 2 == 0 ? false : true;
+  }
+  bool Parity() const { return mParity; }
+};
+
+//-----------------------------------------------------------------------------
+// standard URL implementation
+//-----------------------------------------------------------------------------
+
+class nsStandardURL : public nsIFileURL,
+                      public nsIStandardURL,
+                      public nsISerializable,
+                      public nsISizeOf,
+                      public nsISensitiveInfoHiddenURI
+#ifdef DEBUG_DUMP_URLS_AT_SHUTDOWN
+    ,
+                      public LinkedListElement<nsStandardURL>
+#endif
+{
+ protected:
+  virtual ~nsStandardURL();
+  explicit nsStandardURL(bool aSupportsFileURL = false, bool aTrackURL = true);
+
+ public:
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSIURI
+  NS_DECL_NSIURL
+  NS_DECL_NSIFILEURL
+  NS_DECL_NSISTANDARDURL
+  NS_DECL_NSISERIALIZABLE
+  NS_DECL_NSISENSITIVEINFOHIDDENURI
+
+  // nsISizeOf
+  virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
+  virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
+
+  static void InitGlobalObjects();
+  static void ShutdownGlobalObjects();
+
+ public: /* internal -- HPUX compiler can't handle this being private */
+  //
+  // location and length of an url segment relative to mSpec
+  //
+  struct URLSegment {
+#ifdef EARLY_BETA_OR_EARLIER
+    URLSegmentNumber<uint32_t> mPos{0};
+    URLSegmentNumber<int32_t> mLen{-1};
+#else
+    uint32_t mPos{0};
+    int32_t mLen{-1};
+#endif
+
+    URLSegment() = default;
+    URLSegment(uint32_t pos, int32_t len) : mPos(pos), mLen(len) {}
+    URLSegment(const URLSegment& aCopy) = default;
+    void Reset() {
+      mPos = 0;
+      mLen = -1;
+    }
+    // Merge another segment following this one to it if they're contiguous
+    // Assumes we have something like "foo;bar" where this object is 'foo' and
+    // right is 'bar'.
+    void Merge(const nsCString& spec, const char separator,
+               const URLSegment& right) {
+      if (mLen >= 0 && *(spec.get() + mPos + mLen) == separator &&
+          mPos + mLen + 1 == right.mPos) {
+        mLen += 1 + right.mLen;
+      }
+    }
+  };
+
+  //
+  // URL segment encoder : performs charset conversion and URL escaping.
+  //
+  class nsSegmentEncoder {
+   public:
+    explicit nsSegmentEncoder(const Encoding* encoding = nullptr);
+
+    // Encode the given segment if necessary, and return the length of
+    // the encoded segment.  The encoded segment is appended to |aOut|
+    // if and only if encoding is required.
+    int32_t EncodeSegmentCount(const char* str, const URLSegment& aSeg,
+                               int16_t mask, nsCString& aOut, bool& appended,
+                               uint32_t extraLen = 0);
+
+    // Encode the given string if necessary, and return a reference to
+    // the encoded string.  Returns a reference to |result| if encoding
+    // is required.  Otherwise, a reference to |str| is returned.
+    const nsACString& EncodeSegment(const nsACString& str, int16_t mask,
+                                    nsCString& result);
+
+   private:
+    const Encoding* mEncoding;
+  };
+  friend class nsSegmentEncoder;
+
+  static nsresult NormalizeIPv4(const nsACString& host, nsCString& result);
+
+ protected:
+  // enum used in a few places to specify how .ref attribute should be handled
+  enum RefHandlingEnum { eIgnoreRef, eHonorRef, eReplaceRef };
+
+  // Helper to share code between Equals and EqualsExceptRef
+  // NOTE: *not* virtual, because no one needs to override this so far...
+  nsresult EqualsInternal(nsIURI* unknownOther, RefHandlingEnum refHandlingMode,
+                          bool* result);
+
+  virtual nsStandardURL* StartClone();
+
+  // Helper to share code between Clone methods.
+  nsresult CloneInternal(RefHandlingEnum aRefHandlingMode,
+                         const nsACString& aNewRef, nsIURI** aClone);
+  // Helper method that copies member variables from the source StandardURL
+  // if copyCached = true, it will also copy mFile and mDisplayHost
+  nsresult CopyMembers(nsStandardURL* source, RefHandlingEnum mode,
+                       const nsACString& newRef, bool copyCached = false);
+
+  // Helper for subclass implementation of GetFile().  Subclasses that map
+  // URIs to files in a special way should implement this method.  It should
+  // ensure that our mFile is initialized, if it's possible.
+  // returns NS_ERROR_NO_INTERFACE if the url does not map to a file
+  virtual nsresult EnsureFile();
+
+  virtual nsresult Clone(nsIURI** aURI);
+  virtual nsresult SetSpecInternal(const nsACString& input);
+  virtual nsresult SetScheme(const nsACString& input);
+  virtual nsresult SetUserPass(const nsACString& input);
+  virtual nsresult SetUsername(const nsACString& input);
+  virtual nsresult SetPassword(const nsACString& input);
+  virtual nsresult SetHostPort(const nsACString& aValue);
+  virtual nsresult SetHost(const nsACString& input);
+  virtual nsresult SetPort(int32_t port);
+  virtual nsresult SetPathQueryRef(const nsACString& input);
+  virtual nsresult SetRef(const nsACString& input);
+  virtual nsresult SetFilePath(const nsACString& input);
+  virtual nsresult SetQuery(const nsACString& input);
+  virtual nsresult SetQueryWithEncoding(const nsACString& input,
+                                        const Encoding* encoding);
+  bool Deserialize(const mozilla::ipc::URIParams&);
+  nsresult ReadPrivate(nsIObjectInputStream* stream);
+
+ private:
+  nsresult Init(uint32_t urlType, int32_t defaultPort, const nsACString& spec,
+                const char* charset, nsIURI* baseURI);
+  nsresult SetDefaultPort(int32_t aNewDefaultPort);
+  nsresult SetFile(nsIFile* file);
+
+  nsresult SetFileNameInternal(const nsACString& input);
+  nsresult SetFileBaseNameInternal(const nsACString& input);
+  nsresult SetFileExtensionInternal(const nsACString& input);
+
+  int32_t Port() { return mPort == -1 ? mDefaultPort : mPort; }
+
+  void ReplacePortInSpec(int32_t aNewPort);
+  void Clear();
+  void InvalidateCache(bool invalidateCachedFile = true);
+
+  bool ValidIPv6orHostname(const char* host, uint32_t length);
+  static bool IsValidOfBase(unsigned char c, const uint32_t base);
+  nsresult NormalizeIDN(const nsCString& host, nsCString& result);
+  nsresult CheckIfHostIsAscii();
+  void CoalescePath(netCoalesceFlags coalesceFlag, char* path);
+
+  uint32_t AppendSegmentToBuf(char*, uint32_t, const char*,
+                              const URLSegment& input, URLSegment& output,
+                              const nsCString* esc = nullptr,
+                              bool useEsc = false, int32_t* diff = nullptr);
+  uint32_t AppendToBuf(char*, uint32_t, const char*, uint32_t);
+
+  nsresult BuildNormalizedSpec(const char* spec, const Encoding* encoding);
+  nsresult SetSpecWithEncoding(const nsACString& input,
+                               const Encoding* encoding);
+
+  bool SegmentIs(const URLSegment& seg, const char* val,
+                 bool ignoreCase = false);
+  bool SegmentIs(const char* spec, const URLSegment& seg, const char* val,
+                 bool ignoreCase = false);
+  bool SegmentIs(const URLSegment& seg1, const char* val,
+                 const URLSegment& seg2, bool ignoreCase = false);
+
+  int32_t ReplaceSegment(uint32_t pos, uint32_t len, const char* val,
+                         uint32_t valLen);
+  int32_t ReplaceSegment(uint32_t pos, uint32_t len, const nsACString& val);
+
+  nsresult ParseURL(const char* spec, int32_t specLen);
+  nsresult ParsePath(const char* spec, uint32_t pathPos, int32_t pathLen = -1);
+
+  char* AppendToSubstring(uint32_t pos, int32_t len, const char* tail);
+
+  // dependent substring helpers
+  nsDependentCSubstring Segment(uint32_t pos, int32_t len);  // see below
+  nsDependentCSubstring Segment(const URLSegment& s) {
+    return Segment(s.mPos, s.mLen);
+  }
+
+  // dependent substring getters
+  nsDependentCSubstring Prepath();  // see below
+  nsDependentCSubstring Scheme() { return Segment(mScheme); }
+  nsDependentCSubstring Userpass(bool includeDelim = false);  // see below
+  nsDependentCSubstring Username() { return Segment(mUsername); }
+  nsDependentCSubstring Password() { return Segment(mPassword); }
+  nsDependentCSubstring Hostport();  // see below
+  nsDependentCSubstring Host();      // see below
+  nsDependentCSubstring Path() { return Segment(mPath); }
+  nsDependentCSubstring Filepath() { return Segment(mFilepath); }
+  nsDependentCSubstring Directory() { return Segment(mDirectory); }
+  nsDependentCSubstring Filename();  // see below
+  nsDependentCSubstring Basename() { return Segment(mBasename); }
+  nsDependentCSubstring Extension() { return Segment(mExtension); }
+  nsDependentCSubstring Query() { return Segment(mQuery); }
+  nsDependentCSubstring Ref() { return Segment(mRef); }
+
+  // shift the URLSegments to the right by diff
+  void ShiftFromAuthority(int32_t diff);
+  void ShiftFromUsername(int32_t diff);
+  void ShiftFromPassword(int32_t diff);
+  void ShiftFromHost(int32_t diff);
+  void ShiftFromPath(int32_t diff);
+  void ShiftFromFilepath(int32_t diff);
+  void ShiftFromDirectory(int32_t diff);
+  void ShiftFromBasename(int32_t diff);
+  void ShiftFromExtension(int32_t diff);
+  void ShiftFromQuery(int32_t diff);
+  void ShiftFromRef(int32_t diff);
+
+  // fastload helper functions
+  nsresult ReadSegment(nsIBinaryInputStream*, URLSegment&);
+  nsresult WriteSegment(nsIBinaryOutputStream*, const URLSegment&);
+
+  void FindHostLimit(nsACString::const_iterator& aStart,
+                     nsACString::const_iterator& aEnd);
+
+  // Asserts that the URL has sane values
+  void SanityCheck();
+
+  // Checks if the URL has a valid representation.
+  bool IsValid();
+
+  // mSpec contains the normalized version of the URL spec (UTF-8 encoded).
+  nsCString mSpec;
+  int32_t mDefaultPort{-1};
+  int32_t mPort{-1};
+
+  // url parts (relative to mSpec)
+  URLSegment mScheme;
+  URLSegment mAuthority;
+  URLSegment mUsername;
+  URLSegment mPassword;
+  URLSegment mHost;
+  URLSegment mPath;
+  URLSegment mFilepath;
+  URLSegment mDirectory;
+  URLSegment mBasename;
+  URLSegment mExtension;
+  URLSegment mQuery;
+  URLSegment mRef;
+
+  nsCOMPtr<nsIURLParser> mParser;
+
+  // mFile is protected so subclasses can access it directly
+ protected:
+  nsCOMPtr<nsIFile> mFile;  // cached result for nsIFileURL::GetFile
+
+ private:
+  // cached result for nsIURI::GetDisplayHost
+  nsCString mDisplayHost;
+
+  enum { eEncoding_Unknown, eEncoding_ASCII, eEncoding_UTF8 };
+
+  uint32_t mURLType : 2;          // nsIStandardURL::URLTYPE_xxx
+  uint32_t mSupportsFileURL : 1;  // QI to nsIFileURL?
+  uint32_t mCheckedIfHostA : 1;   // If set to true, it means either that
+                                  // mDisplayHost has a been initialized, or
+                                  // that the hostname is not punycode
+
+  // global objects.
+  static StaticRefPtr<nsIIDNService> gIDN;
+  static const char gHostLimitDigits[];
+
+ public:
+#ifdef DEBUG_DUMP_URLS_AT_SHUTDOWN
+  void PrintSpec() const { printf("  %s\n", mSpec.get()); }
+#endif
+
+ public:
+  // We make this implementation a template so that we can avoid writing
+  // the same code for SubstitutingURL (which extends nsStandardURL)
+  template <class T>
+  class TemplatedMutator : public nsIURIMutator,
+                           public BaseURIMutator<T>,
+                           public nsIStandardURLMutator,
+                           public nsIURLMutator,
+                           public nsIFileURLMutator,
+                           public nsISerializable {
+    NS_FORWARD_SAFE_NSIURISETTERS_RET(BaseURIMutator<T>::mURI)
+
+    [[nodiscard]] NS_IMETHOD Deserialize(
+        const mozilla::ipc::URIParams& aParams) override {
+      return BaseURIMutator<T>::InitFromIPCParams(aParams);
+    }
+
+    NS_IMETHOD
+    Write(nsIObjectOutputStream* aOutputStream) override {
+      MOZ_ASSERT_UNREACHABLE("Use nsIURIMutator.read() instead");
+      return NS_ERROR_NOT_IMPLEMENTED;
+    }
+
+    [[nodiscard]] NS_IMETHOD Read(nsIObjectInputStream* aStream) override {
+      return BaseURIMutator<T>::InitFromInputStream(aStream);
+    }
+
+    [[nodiscard]] NS_IMETHOD Finalize(nsIURI** aURI) override {
+      BaseURIMutator<T>::mURI.forget(aURI);
+      return NS_OK;
+    }
+
+    [[nodiscard]] NS_IMETHOD SetSpec(const nsACString& aSpec,
+                                     nsIURIMutator** aMutator) override {
+      if (aMutator) {
+        nsCOMPtr<nsIURIMutator> mutator = this;
+        mutator.forget(aMutator);
+      }
+      return BaseURIMutator<T>::InitFromSpec(aSpec);
+    }
+
+    [[nodiscard]] NS_IMETHOD Init(uint32_t aURLType, int32_t aDefaultPort,
+                                  const nsACString& aSpec, const char* aCharset,
+                                  nsIURI* aBaseURI,
+                                  nsIURIMutator** aMutator) override {
+      if (aMutator) {
+        nsCOMPtr<nsIURIMutator> mutator = this;
+        mutator.forget(aMutator);
+      }
+      RefPtr<T> uri;
+      if (BaseURIMutator<T>::mURI) {
+        // We don't need a new URI object if we already have one
+        BaseURIMutator<T>::mURI.swap(uri);
+      } else {
+        uri = Create();
+      }
+      nsresult rv =
+          uri->Init(aURLType, aDefaultPort, aSpec, aCharset, aBaseURI);
+      if (NS_FAILED(rv)) {
+        return rv;
+      }
+      BaseURIMutator<T>::mURI = std::move(uri);
+      return NS_OK;
+    }
+
+    [[nodiscard]] NS_IMETHODIMP SetDefaultPort(
+        int32_t aNewDefaultPort, nsIURIMutator** aMutator) override {
+      if (!BaseURIMutator<T>::mURI) {
+        return NS_ERROR_NULL_POINTER;
+      }
+      if (aMutator) {
+        nsCOMPtr<nsIURIMutator> mutator = this;
+        mutator.forget(aMutator);
+      }
+      return BaseURIMutator<T>::mURI->SetDefaultPort(aNewDefaultPort);
+    }
+
+    [[nodiscard]] NS_IMETHOD SetFileName(const nsACString& aFileName,
+                                         nsIURIMutator** aMutator) override {
+      if (!BaseURIMutator<T>::mURI) {
+        return NS_ERROR_NULL_POINTER;
+      }
+      if (aMutator) {
+        nsCOMPtr<nsIURIMutator> mutator = this;
+        mutator.forget(aMutator);
+      }
+      return BaseURIMutator<T>::mURI->SetFileNameInternal(aFileName);
+    }
+
+    [[nodiscard]] NS_IMETHOD SetFileBaseName(
+        const nsACString& aFileBaseName, nsIURIMutator** aMutator) override {
+      if (!BaseURIMutator<T>::mURI) {
+        return NS_ERROR_NULL_POINTER;
+      }
+      if (aMutator) {
+        nsCOMPtr<nsIURIMutator> mutator = this;
+        mutator.forget(aMutator);
+      }
+      return BaseURIMutator<T>::mURI->SetFileBaseNameInternal(aFileBaseName);
+    }
+
+    [[nodiscard]] NS_IMETHOD SetFileExtension(
+        const nsACString& aFileExtension, nsIURIMutator** aMutator) override {
+      if (!BaseURIMutator<T>::mURI) {
+        return NS_ERROR_NULL_POINTER;
+      }
+      if (aMutator) {
+        nsCOMPtr<nsIURIMutator> mutator = this;
+        mutator.forget(aMutator);
+      }
+      return BaseURIMutator<T>::mURI->SetFileExtensionInternal(aFileExtension);
+    }
+
+    T* Create() override { return new T(mMarkedFileURL); }
+
+    [[nodiscard]] NS_IMETHOD MarkFileURL() override {
+      mMarkedFileURL = true;
+      return NS_OK;
+    }
+
+    [[nodiscard]] NS_IMETHOD SetFile(nsIFile* aFile) override {
+      RefPtr<T> uri;
+      if (BaseURIMutator<T>::mURI) {
+        // We don't need a new URI object if we already have one
+        BaseURIMutator<T>::mURI.swap(uri);
+      } else {
+        uri = new T(/* aSupportsFileURL = */ true);
+      }
+
+      nsresult rv = uri->SetFile(aFile);
+      if (NS_FAILED(rv)) {
+        return rv;
+      }
+      BaseURIMutator<T>::mURI.swap(uri);
+      return NS_OK;
+    }
+
+    explicit TemplatedMutator() = default;
+
+   private:
+    virtual ~TemplatedMutator() = default;
+
+    bool mMarkedFileURL = false;
+
+    friend T;
+  };
+
+  class Mutator final : public TemplatedMutator<nsStandardURL> {
+    NS_DECL_ISUPPORTS
+   public:
+    explicit Mutator() = default;
+
+   private:
+    virtual ~Mutator() = default;
+  };
+
+  friend BaseURIMutator<nsStandardURL>;
+};
+
+#define NS_THIS_STANDARDURL_IMPL_CID                 \
+  { /* b8e3e97b-1ccd-4b45-af5a-79596770f5d7 */       \
+    0xb8e3e97b, 0x1ccd, 0x4b45, {                    \
+      0xaf, 0x5a, 0x79, 0x59, 0x67, 0x70, 0xf5, 0xd7 \
+    }                                                \
+  }
+
+//-----------------------------------------------------------------------------
+// Dependent substring getters
+//-----------------------------------------------------------------------------
+
+inline nsDependentCSubstring nsStandardURL::Segment(uint32_t pos, int32_t len) {
+  if (len < 0) {
+    pos = 0;
+    len = 0;
+  }
+  return Substring(mSpec, pos, uint32_t(len));
+}
+
+inline nsDependentCSubstring nsStandardURL::Prepath() {
+  uint32_t len = 0;
+  if (mAuthority.mLen >= 0) len = mAuthority.mPos + mAuthority.mLen;
+  return Substring(mSpec, 0, len);
+}
+
+inline nsDependentCSubstring nsStandardURL::Userpass(bool includeDelim) {
+  uint32_t pos = 0, len = 0;
+  if (mUsername.mLen > 0 || mPassword.mLen > 0) {
+    if (mUsername.mLen > 0) {
+      pos = mUsername.mPos;
+      len = mUsername.mLen;
+      if (mPassword.mLen >= 0) {
+        len += (mPassword.mLen + 1);
+      }
+    } else {
+      pos = mPassword.mPos - 1;
+      len = mPassword.mLen + 1;
+    }
+
+    if (includeDelim) len++;
+  }
+  return Substring(mSpec, pos, len);
+}
+
+inline nsDependentCSubstring nsStandardURL::Hostport() {
+  uint32_t pos = 0, len = 0;
+  if (mAuthority.mLen > 0) {
+    pos = mHost.mPos;
+    len = mAuthority.mPos + mAuthority.mLen - pos;
+  }
+  return Substring(mSpec, pos, len);
+}
+
+inline nsDependentCSubstring nsStandardURL::Host() {
+  uint32_t pos = 0, len = 0;
+  if (mHost.mLen > 0) {
+    pos = mHost.mPos;
+    len = mHost.mLen;
+    if (mSpec.CharAt(pos) == '[' && mSpec.CharAt(pos + len - 1) == ']') {
+      pos++;
+      len -= 2;
+    }
+  }
+  return Substring(mSpec, pos, len);
+}
+
+inline nsDependentCSubstring nsStandardURL::Filename() {
+  uint32_t pos = 0, len = 0;
+  // if there is no basename, then there can be no extension
+  if (mBasename.mLen > 0) {
+    pos = mBasename.mPos;
+    len = mBasename.mLen;
+    if (mExtension.mLen >= 0) len += (mExtension.mLen + 1);
+  }
+  return Substring(mSpec, pos, len);
+}
+
+}  // namespace net
+}  // namespace mozilla
+
+#endif  // nsStandardURL_h__