/////////////////////////////////////////////////////////////////////////////
-// Name: uri.h
-// Purpose: wxURI - Class for parsing URIs
+// Name: wx/uri.h
+// Purpose: wxURI - Class for parsing URIs
// Author: Ryan Norton
-// Modified By:
+// Vadim Zeitlin (UTF-8 URI support, many other changes)
// Created: 07/01/2004
// RCS-ID: $Id$
-// Licence: wxWindows
+// Copyright: (c) 2004 Ryan Norton
+// 2008 Vadim Zeitlin
+// Licence: wxWindows Licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_URI_H_
#define _WX_URI_H_
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma interface "uri.h"
-#endif
-
#include "wx/defs.h"
#include "wx/object.h"
#include "wx/string.h"
+#include "wx/arrstr.h"
// Host Type that the server component can be
enum wxURIHostType
{
- wxURI_REGNAME, // Host is a normal register name (www.mysite.com etc.)
- wxURI_IPV4ADDRESS, // Host is a version 4 ip address (192.168.1.100)
+ wxURI_REGNAME, // Host is a normal register name (www.mysite.com etc.)
+ wxURI_IPV4ADDRESS, // Host is a version 4 ip address (192.168.1.100)
wxURI_IPV6ADDRESS, // Host is a version 6 ip address [aa:aa:aa:aa::aa:aa]:5050
- wxURI_IPVFUTURE // Host is a future ip address (wxURI is unsure what kind)
+ wxURI_IPVFUTURE // Host is a future ip address (wxURI is unsure what kind)
};
// Component Flags
// Generic class for parsing URIs.
//
-// Originally based off of RFC 2396 - then
-// extended to meet the newer RFC 2396.bis
-// specifications.
+// See RFC 3986
class WXDLLIMPEXP_BASE wxURI : public wxObject
{
public:
wxURI();
wxURI(const wxString& uri);
- wxURI(const wxURI& uri);
-
- virtual ~wxURI();
-
- const wxChar* Create(const wxString& uri);
-
- bool HasScheme() const { return (m_fields & wxURI_SCHEME) == wxURI_SCHEME; }
- bool HasUserInfo() const { return (m_fields & wxURI_USERINFO) == wxURI_USERINFO; }
- bool HasServer() const { return (m_fields & wxURI_SERVER) == wxURI_SERVER; }
- bool HasPort() const { return (m_fields & wxURI_PORT) == wxURI_PORT; }
- bool HasPath() const { return (m_fields & wxURI_PATH) == wxURI_PATH; }
- bool HasQuery() const { return (m_fields & wxURI_QUERY) == wxURI_QUERY; }
- bool HasFragment() const { return (m_fields & wxURI_FRAGMENT) == wxURI_FRAGMENT; }
-
- const wxString& GetScheme() const { return m_scheme; }
- const wxString& GetPath() const { return m_path; }
- const wxString& GetQuery() const { return m_query; }
- const wxString& GetFragment() const { return m_fragment; }
- const wxString& GetPort() const { return m_port; }
- const wxString& GetUserInfo() const { return m_userinfo; }
- const wxString& GetServer() const { return m_server; }
- const wxURIHostType& GetHostType() const { return m_hostType; }
-
- //Note that the following two get functions are explicitly depreciated by RFC 2396
+
+ // default copy ctor, assignment operator and dtor are ok
+
+ bool Create(const wxString& uri);
+
+ wxURI& operator=(const wxString& string)
+ {
+ Create(string);
+ return *this;
+ }
+
+ bool operator==(const wxURI& uri) const;
+
+ // various accessors
+
+ bool HasScheme() const { return (m_fields & wxURI_SCHEME) != 0; }
+ bool HasUserInfo() const { return (m_fields & wxURI_USERINFO) != 0; }
+ bool HasServer() const { return (m_fields & wxURI_SERVER) != 0; }
+ bool HasPort() const { return (m_fields & wxURI_PORT) != 0; }
+ bool HasPath() const { return (m_fields & wxURI_PATH) != 0; }
+ bool HasQuery() const { return (m_fields & wxURI_QUERY) != 0; }
+ bool HasFragment() const { return (m_fields & wxURI_FRAGMENT) != 0; }
+
+ const wxString& GetScheme() const { return m_scheme; }
+ const wxString& GetPath() const { return m_path; }
+ const wxString& GetQuery() const { return m_query; }
+ const wxString& GetFragment() const { return m_fragment; }
+ const wxString& GetPort() const { return m_port; }
+ const wxString& GetUserInfo() const { return m_userinfo; }
+ const wxString& GetServer() const { return m_server; }
+ wxURIHostType GetHostType() const { return m_hostType; }
+
+ // these functions only work if the user information part of the URI is in
+ // the usual (but insecure and hence explicitly recommended against by the
+ // RFC) "user:password" form
wxString GetUser() const;
wxString GetPassword() const;
-
- wxString BuildURI() const;
- wxString BuildUnescapedURI() const;
+
+
+ // combine all URI components into a single string
+ //
+ // BuildURI() returns the real URI suitable for use with network libraries,
+ // for example, while BuildUnescapedURI() returns a string suitable to be
+ // shown to the user.
+ wxString BuildURI() const { return DoBuildURI(&wxURI::Nothing); }
+ wxString BuildUnescapedURI() const { return DoBuildURI(&wxURI::Unescape); }
+
+ // the escaped URI should contain only ASCII characters, including possible
+ // escape sequences
+ static wxString Unescape(const wxString& escapedURI);
+
void Resolve(const wxURI& base, int flags = wxURI_STRICT);
bool IsReference() const;
- wxURI& operator = (const wxURI& uri);
- wxURI& operator = (const wxString& string);
- bool operator == (const wxURI& uri) const;
-
- static wxString Unescape (const wxString& szEscapedURI);
-
protected:
- wxURI& Assign(const wxURI& uri);
-
void Clear();
- const wxChar* Parse (const wxChar* uri);
- const wxChar* ParseAuthority (const wxChar* uri);
- const wxChar* ParseScheme (const wxChar* uri);
- const wxChar* ParseUserInfo (const wxChar* uri);
- const wxChar* ParseServer (const wxChar* uri);
- const wxChar* ParsePort (const wxChar* uri);
- const wxChar* ParsePath (const wxChar* uri,
- bool bReference = false,
- bool bNormalize = true);
- const wxChar* ParseQuery (const wxChar* uri);
- const wxChar* ParseFragment (const wxChar* uri);
-
-
- static bool ParseH16(const wxChar*& uri);
- static bool ParseIPv4address(const wxChar*& uri);
- static bool ParseIPv6address(const wxChar*& uri);
- static bool ParseIPvFuture(const wxChar*& uri);
-
- static void Normalize(wxChar* uri, bool bIgnoreLeads = false);
- static void UpTree(const wxChar* uristart, const wxChar*& uri);
-
- static wxChar TranslateEscape(const wxChar* s);
- static void Escape (wxString& s, const wxChar& c);
- static bool IsEscape(const wxChar*& uri);
-
- static wxChar CharToHex(const wxChar& c);
-
- static bool IsUnreserved (const wxChar& c);
- static bool IsReserved (const wxChar& c);
- static bool IsGenDelim (const wxChar& c);
- static bool IsSubDelim (const wxChar& c);
- static bool IsHex(const wxChar& c);
- static bool IsAlpha(const wxChar& c);
- static bool IsDigit(const wxChar& c);
+ // common part of BuildURI() and BuildUnescapedURI()
+ wxString DoBuildURI(wxString (*funcDecode)(const wxString&)) const;
+
+ // function which returns its argument unmodified, this is used by
+ // BuildURI() to tell DoBuildURI() that nothing needs to be done with the
+ // URI components
+ static wxString Nothing(const wxString& value) { return value; }
+
+ bool Parse(const char* uri);
+
+ const char* ParseAuthority (const char* uri);
+ const char* ParseScheme (const char* uri);
+ const char* ParseUserInfo (const char* uri);
+ const char* ParseServer (const char* uri);
+ const char* ParsePort (const char* uri);
+ const char* ParsePath (const char* uri);
+ const char* ParseQuery (const char* uri);
+ const char* ParseFragment (const char* uri);
+
+
+ static bool ParseH16(const char*& uri);
+ static bool ParseIPv4address(const char*& uri);
+ static bool ParseIPv6address(const char*& uri);
+ static bool ParseIPvFuture(const char*& uri);
+
+ // should be called with i pointing to '%', returns the encoded character
+ // following it or -1 if invalid and advances i past it (so that it points
+ // to the last character consumed on return)
+ static int DecodeEscape(wxString::const_iterator& i);
+
+ // append next character pointer to by p to the string in an escaped form
+ // and advance p past it
+ //
+ // if the next character is '%' and it's followed by 2 hex digits, they are
+ // not escaped (again) by this function, this allows to keep (backwards-
+ // compatible) ambiguity about the input format to wxURI::Create(): it can
+ // be either already escaped or not
+ void AppendNextEscaped(wxString& s, const char *& p);
+
+ // convert hexadecimal digit to its value; return -1 if c isn't valid
+ static int CharToHex(char c);
+
+ // split an URI path string in its component segments (including empty and
+ // "." ones, no post-processing is done)
+ static wxArrayString SplitInSegments(const wxString& path);
+
+ // various URI grammar helpers
+ static bool IsUnreserved(char c);
+ static bool IsReserved(char c);
+ static bool IsGenDelim(char c);
+ static bool IsSubDelim(char c);
+ static bool IsHex(char c);
+ static bool IsAlpha(char c);
+ static bool IsDigit(char c);
+ static bool IsEndPath(char c);
wxString m_scheme;
wxString m_path;
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