/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/* 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 nsURLParsers_h__

#define nsURLParsers_h__

#include "nsIURLParser.h"

#include "mozilla/Attributes.h"

//----------------------------------------------------------------------------

// base class for url parsers

//----------------------------------------------------------------------------

class nsBaseURLParser : public nsIURLParser {

 public:

  NS_DECL_NSIURLPARSER

  nsBaseURLParser() {}

 protected:

  // implemented by subclasses

  virtual void ParseAfterScheme(const char *spec, int32_t specLen,

                                uint32_t *authPos, int32_t *authLen,

                                uint32_t *pathPos, int32_t *pathLen) = 0;

};

//----------------------------------------------------------------------------

// an url parser for urls that do not have an authority section

//

// eg. file:foo/bar.txt

//     file:/foo/bar.txt      (treated equivalently)

//     file:///foo/bar.txt

//

// eg. file:////foo/bar.txt   (UNC-filepath = \\foo\bar.txt)

//

// XXX except in this case:

//     file://foo/bar.txt     (the authority "foo"  is ignored)

//----------------------------------------------------------------------------

class nsNoAuthURLParser final : public nsBaseURLParser {

  ~nsNoAuthURLParser() {}

 public:

  NS_DECL_THREADSAFE_ISUPPORTS

#if defined(XP_WIN)

  NS_IMETHOD ParseFilePath(const char *, int32_t, uint32_t *, int32_t *,

                           uint32_t *, int32_t *, uint32_t *,

                           int32_t *) override;

#endif

  NS_IMETHOD ParseAuthority(const char *auth, int32_t authLen,

                            uint32_t *usernamePos, int32_t *usernameLen,

                            uint32_t *passwordPos, int32_t *passwordLen,

                            uint32_t *hostnamePos, int32_t *hostnameLen,

                            int32_t *port) override;

  void ParseAfterScheme(const char *spec, int32_t specLen, uint32_t *authPos,

                        int32_t *authLen, uint32_t *pathPos,

                        int32_t *pathLen) override;

};

//----------------------------------------------------------------------------

// an url parser for urls that must have an authority section

//

// eg. http:www.foo.com/bar.html

//     http:/www.foo.com/bar.html

//     http://www.foo.com/bar.html    (treated equivalently)

//     http:///www.foo.com/bar.html

//----------------------------------------------------------------------------

class nsAuthURLParser : public nsBaseURLParser {

 protected:

  virtual ~nsAuthURLParser() {}

 public:

  NS_DECL_THREADSAFE_ISUPPORTS

  NS_IMETHOD ParseAuthority(const char *auth, int32_t authLen,

                            uint32_t *usernamePos, int32_t *usernameLen,

                            uint32_t *passwordPos, int32_t *passwordLen,

                            uint32_t *hostnamePos, int32_t *hostnameLen,

                            int32_t *port) override;

  NS_IMETHOD ParseUserInfo(const char *userinfo, int32_t userinfoLen,

                           uint32_t *usernamePos, int32_t *usernameLen,

                           uint32_t *passwordPos,

                           int32_t *passwordLen) override;

  NS_IMETHOD ParseServerInfo(const char *serverinfo, int32_t serverinfoLen,

                             uint32_t *hostnamePos, int32_t *hostnameLen,

                             int32_t *port) override;

  void ParseAfterScheme(const char *spec, int32_t specLen, uint32_t *authPos,

                        int32_t *authLen, uint32_t *pathPos,

                        int32_t *pathLen) override;

};

//----------------------------------------------------------------------------

// an url parser for urls that may or may not have an authority section

//

// eg. http:www.foo.com              (www.foo.com is authority)

//     http:www.foo.com/bar.html     (www.foo.com is authority)

//     http:/www.foo.com/bar.html    (www.foo.com is part of file path)

//     http://www.foo.com/bar.html   (www.foo.com is authority)

//     http:///www.foo.com/bar.html  (www.foo.com is part of file path)

//----------------------------------------------------------------------------

class nsStdURLParser : public nsAuthURLParser {

  virtual ~nsStdURLParser() {}

 public:

  void ParseAfterScheme(const char *spec, int32_t specLen, uint32_t *authPos,

                        int32_t *authLen, uint32_t *pathPos,

                        int32_t *pathLen) override;

};

#endif  // nsURLParsers_h__