/////////////////////////////////////////////////////////////////////////////
// Name: uri.cpp
-// Purpose: Implementation of a uri parser
-// Author: Ryan Norton
+// Purpose: Implementation of a URI parser
+// Author: Ryan Norton,
+// Vadim Zeitlin (UTF-8 URI support, many other changes)
// Created: 10/26/04
// RCS-ID: $Id$
-// Copyright: (c) 2004 Ryan Norton
-// Licence: wxWindows
+// Copyright: (c) 2004 Ryan Norton,
+// 2008 Vadim Zeitlin
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ===========================================================================
IMPLEMENT_CLASS(wxURI, wxObject)
// ===========================================================================
-// implementation
+// wxURI implementation
// ===========================================================================
// ---------------------------------------------------------------------------
-// utilities
+// Constructors and cleanup
// ---------------------------------------------------------------------------
-// ---------------------------------------------------------------------------
-//
-// wxURI
-//
-// ---------------------------------------------------------------------------
-
-// ---------------------------------------------------------------------------
-// Constructors
-// ---------------------------------------------------------------------------
-
-wxURI::wxURI() : m_hostType(wxURI_REGNAME), m_fields(0)
+wxURI::wxURI()
+ : m_hostType(wxURI_REGNAME),
+ m_fields(0)
{
}
-wxURI::wxURI(const wxString& uri) : m_hostType(wxURI_REGNAME), m_fields(0)
+wxURI::wxURI(const wxString& uri)
+ : m_hostType(wxURI_REGNAME),
+ m_fields(0)
{
Create(uri);
}
-wxURI::wxURI(const wxURI& uri) : wxObject(), m_hostType(wxURI_REGNAME), m_fields(0)
+bool wxURI::Create(const wxString& uri)
{
- Assign(uri);
-}
-
-// ---------------------------------------------------------------------------
-// Destructor and cleanup
-// ---------------------------------------------------------------------------
+ if (m_fields)
+ Clear();
-wxURI::~wxURI()
-{
- Clear();
+ return Parse(uri.utf8_str());
}
void wxURI::Clear()
{
- m_scheme = m_userinfo = m_server = m_port = m_path =
- m_query = m_fragment = wxEmptyString;
+ m_scheme =
+ m_userinfo =
+ m_server =
+ m_port =
+ m_path =
+ m_query =
+ m_fragment = wxEmptyString;
m_hostType = wxURI_REGNAME;
}
// ---------------------------------------------------------------------------
-// Create
-//
-// This creates the URI - all we do here is call the main parsing method
+// Escaped characters handling
// ---------------------------------------------------------------------------
-const wxChar* wxURI::Create(const wxString& uri)
-{
- if (m_fields)
- Clear();
+// Converts a character into a numeric hexadecimal value, or -1 if the passed
+// in character is not a valid hex character
- // FIXME-UTF8: rewrite ParseXXX() methods using iterators
- // NB: using wxWxCharBuffer instead of just c_str() avoids keeping
- // converted string in memory for longer than needed
- return Parse(wxWxCharBuffer(uri.c_str()));
+/* static */
+int wxURI::CharToHex(char c)
+{
+ if ((c >= 'A') && (c <= 'Z'))
+ return c - 'A' + 10;
+ if ((c >= 'a') && (c <= 'z'))
+ return c - 'a' + 10;
+ if ((c >= '0') && (c <= '9'))
+ return c - '0';
+
+ return -1;
}
-// ---------------------------------------------------------------------------
-// Escape Methods
-//
-// TranslateEscape unencodes a 3 character URL escape sequence
-//
-// Escape encodes an invalid URI character into a 3 character sequence
-//
-// IsEscape determines if the input string contains an escape sequence,
-// if it does, then it moves the input string past the escape sequence
-//
-// Unescape unencodes all 3 character URL escape sequences in a wxString
-// ---------------------------------------------------------------------------
-
-wxUniChar wxURI::TranslateEscape(const wxString::const_iterator& s)
+int wxURI::DecodeEscape(wxString::const_iterator& i)
{
- wxChar c1(*s);
- wxChar c2(*(s + 1));
+ int hi = CharToHex(*++i);
+ if ( hi == -1 )
+ return -1;
- wxASSERT_MSG( IsHex(c1) && IsHex(c2), wxT("Invalid escape sequence!"));
+ int lo = CharToHex(*++i);
+ if ( lo == -1 )
+ return -1;
- return wx_truncate_cast(wxChar, (CharToHex(c1) << 4 ) | CharToHex(c2));
+ return (hi << 4) | lo;
}
+/* static */
wxString wxURI::Unescape(const wxString& uri)
{
- wxString new_uri;
+ // the unescaped version can't be longer than the original one
+ wxCharBuffer buf(uri.length());
+ char *p = buf.data();
- for (wxString::const_iterator i = uri.begin(); i != uri.end(); ++i)
+ for ( wxString::const_iterator i = uri.begin(); i != uri.end(); ++i, ++p )
{
- if ( *i == wxT('%') )
+ char c = *i;
+ if ( c == '%' )
{
- new_uri += wxURI::TranslateEscape(i + 1);
- i += 2;
+ int n = wxURI::DecodeEscape(i);
+ if ( n == -1 )
+ return wxString();
+
+ wxASSERT_MSG( n >= 0 && n <= 0xff, "unexpected character value" );
+
+ c = static_cast<char>(n);
}
- else
- new_uri += *i;
+
+ *p = c;
}
- return new_uri;
-}
+ *p = '\0';
-void wxURI::Escape(wxString& s, const wxChar& c)
-{
- const wxChar* hdig = wxT("0123456789abcdef");
- s += wxT('%');
- s += hdig[(c >> 4) & 15];
- s += hdig[c & 15];
+ // by default assume that the URI is in UTF-8, this is the most common
+ // practice
+ wxString s = wxString::FromUTF8(buf);
+ if ( s.empty() )
+ {
+ // if it isn't, use latin-1 as a fallback -- at least this always
+ // succeeds
+ s = wxCSConv(wxFONTENCODING_ISO8859_1).cMB2WC(buf);
+ }
+
+ return s;
}
-bool wxURI::IsEscape(const wxChar*& uri)
+void wxURI::AppendNextEscaped(wxString& s, const char *& p)
{
+ // check for an already encoded character:
+ //
// pct-encoded = "%" HEXDIG HEXDIG
- if(*uri == wxT('%') && IsHex(*(uri+1)) && IsHex(*(uri+2)))
- return true;
- else
- return false;
+ if ( p[0] == '%' && IsHex(p[1]) && IsHex(p[2]) )
+ {
+ s += *p++;
+ s += *p++;
+ s += *p++;
+ }
+ else // really needs escaping
+ {
+ static const char* hexDigits = "0123456789abcdef";
+
+ const char c = *p++;
+
+ s += '%';
+ s += hexDigits[(c >> 4) & 15];
+ s += hexDigits[c & 15];
+ }
}
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
wxString wxURI::GetUser() const
{
- size_t dwPasswordPos = m_userinfo.find(':');
-
- if (dwPasswordPos == wxString::npos)
- dwPasswordPos = 0;
-
- return m_userinfo(0, dwPasswordPos);
+ // if there is no colon at all, find() returns npos and this method returns
+ // the entire string which is correct as it means that password was omitted
+ return m_userinfo(0, m_userinfo.find(':'));
}
wxString wxURI::GetPassword() const
{
- size_t dwPasswordPos = m_userinfo.find(':');
-
- if (dwPasswordPos == wxString::npos)
- return wxT("");
- else
- return m_userinfo(dwPasswordPos+1, m_userinfo.length() + 1);
-}
-
-// ---------------------------------------------------------------------------
-// BuildURI
-//
-// BuildURI() builds the entire URI into a useable
-// representation, including proper identification characters such as slashes
-//
-// BuildUnescapedURI() does the same thing as BuildURI(), only it unescapes
-// the components that accept escape sequences
-// ---------------------------------------------------------------------------
-
-wxString wxURI::BuildURI() const
-{
- wxString ret;
-
- if (HasScheme())
- ret = ret + m_scheme + wxT(":");
-
- if (HasServer())
- {
- ret += wxT("//");
-
- if (HasUserInfo())
- ret = ret + m_userinfo + wxT("@");
+ size_t posColon = m_userinfo.find(':');
- ret += m_server;
+ if ( posColon == wxString::npos )
+ return "";
- if (HasPort())
- ret = ret + wxT(":") + m_port;
- }
-
- ret += m_path;
-
- if (HasQuery())
- ret = ret + wxT("?") + m_query;
-
- if (HasFragment())
- ret = ret + wxT("#") + m_fragment;
-
- return ret;
+ return m_userinfo(posColon + 1, wxString::npos);
}
-wxString wxURI::BuildUnescapedURI() const
+// combine all URI fields in a single string, applying funcDecode to each
+// component which it may make sense to decode (i.e. "unescape")
+wxString wxURI::DoBuildURI(wxString (*funcDecode)(const wxString&)) const
{
wxString ret;
if (HasScheme())
- ret = ret + m_scheme + wxT(":");
+ ret += m_scheme + ":";
if (HasServer())
{
- ret += wxT("//");
+ ret += "//";
if (HasUserInfo())
- ret = ret + wxURI::Unescape(m_userinfo) + wxT("@");
+ ret += funcDecode(m_userinfo) + "@";
if (m_hostType == wxURI_REGNAME)
- ret += wxURI::Unescape(m_server);
+ ret += funcDecode(m_server);
else
ret += m_server;
if (HasPort())
- ret = ret + wxT(":") + m_port;
+ ret += ":" + m_port;
}
- ret += wxURI::Unescape(m_path);
+ ret += funcDecode(m_path);
if (HasQuery())
- ret = ret + wxT("?") + wxURI::Unescape(m_query);
+ ret += "?" + funcDecode(m_query);
if (HasFragment())
- ret = ret + wxT("#") + wxURI::Unescape(m_fragment);
+ ret += "#" + funcDecode(m_fragment);
return ret;
}
-// ---------------------------------------------------------------------------
-// Assignment
-// ---------------------------------------------------------------------------
-
-wxURI& wxURI::Assign(const wxURI& uri)
-{
- //assign fields
- m_fields = uri.m_fields;
-
- //ref over components
- m_scheme = uri.m_scheme;
- m_userinfo = uri.m_userinfo;
- m_server = uri.m_server;
- m_hostType = uri.m_hostType;
- m_port = uri.m_port;
- m_path = uri.m_path;
- m_query = uri.m_query;
- m_fragment = uri.m_fragment;
-
- return *this;
-}
-
-wxURI& wxURI::operator = (const wxURI& uri)
-{
- return Assign(uri);
-}
-
-wxURI& wxURI::operator = (const wxString& string)
-{
- Create(string);
- return *this;
-}
-
// ---------------------------------------------------------------------------
// Comparison
// ---------------------------------------------------------------------------
-bool wxURI::operator == (const wxURI& uri) const
+bool wxURI::operator==(const wxURI& uri) const
{
if (HasScheme())
{
// ---------------------------------------------------------------------------
bool wxURI::IsReference() const
-{ return !HasScheme() || !HasServer(); }
+{
+ return !HasScheme() || !HasServer();
+}
// ---------------------------------------------------------------------------
// Parse
// URI-reference = URI / relative
// ---------------------------------------------------------------------------
-const wxChar* wxURI::Parse(const wxChar *uri)
+bool wxURI::Parse(const char *uri)
{
uri = ParseScheme(uri);
- uri = ParseAuthority(uri);
- uri = ParsePath(uri);
- uri = ParseQuery(uri);
- return ParseFragment(uri);
+ if ( uri )
+ uri = ParseAuthority(uri);
+ if ( uri )
+ uri = ParsePath(uri);
+ if ( uri )
+ uri = ParseQuery(uri);
+ if ( uri )
+ uri = ParseFragment(uri);
+
+ // we only succeed if we parsed the entire string
+ return uri && *uri == '\0';
}
-// ---------------------------------------------------------------------------
-// ParseXXX
-//
-// Individual parsers for each URI component
-// ---------------------------------------------------------------------------
-
-const wxChar* wxURI::ParseScheme(const wxChar *uri)
+const char* wxURI::ParseScheme(const char *uri)
{
- wxASSERT(uri != NULL);
-
- //copy of the uri - used for figuring out
- //length of each component
- const wxChar* uricopy = uri;
+ const char * const start = uri;
- //Does the uri have a scheme (first character alpha)?
- if (IsAlpha(*uri))
+ // assume that we have a scheme if we have the valid start of it
+ if ( IsAlpha(*uri) )
{
m_scheme += *uri++;
//scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
while (IsAlpha(*uri) || IsDigit(*uri) ||
- *uri == wxT('+') ||
- *uri == wxT('-') ||
- *uri == wxT('.'))
+ *uri == '+' ||
+ *uri == '-' ||
+ *uri == '.')
{
m_scheme += *uri++;
}
//valid scheme?
- if (*uri == wxT(':'))
+ if (*uri == ':')
{
//mark the scheme as valid
m_fields |= wxURI_SCHEME;
//move reference point up to input buffer
- uricopy = ++uri;
+ ++uri;
+ }
+ else // no valid scheme finally
+ {
+ uri = start; // rewind
+ m_scheme.clear();
}
- else
- //relative uri with relative path reference
- m_scheme = wxEmptyString;
}
-// else
- //relative uri with _possible_ relative path reference
+ //else: can't have schema, possible a relative URI
- return uricopy;
+ return uri;
}
-const wxChar* wxURI::ParseAuthority(const wxChar* uri)
+const char* wxURI::ParseAuthority(const char* uri)
{
// authority = [ userinfo "@" ] host [ ":" port ]
- if (*uri == wxT('/') && *(uri+1) == wxT('/'))
+ if ( uri[0] == '/' && uri[1] == '/' )
{
//skip past the two slashes
uri += 2;
// ############# DEVIATION FROM RFC #########################
// Don't parse the server component for file URIs
- if(m_scheme != wxT("file"))
+ if(m_scheme != "file")
{
//normal way
- uri = ParseUserInfo(uri);
- uri = ParseServer(uri);
- return ParsePort(uri);
+ uri = ParseUserInfo(uri);
+ uri = ParseServer(uri);
+ return ParsePort(uri);
}
}
return uri;
}
-const wxChar* wxURI::ParseUserInfo(const wxChar* uri)
+const char* wxURI::ParseUserInfo(const char* uri)
{
- wxASSERT(uri != NULL);
-
- //copy of the uri - used for figuring out
- //length of each component
- const wxChar* uricopy = uri;
+ const char * const start = uri;
// userinfo = *( unreserved / pct-encoded / sub-delims / ":" )
- while(*uri && *uri != wxT('@') && *uri != wxT('/') && *uri != wxT('#') && *uri != wxT('?'))
+ while ( *uri && *uri != '@' && *uri != '/' && *uri != '#' && *uri != '?' )
{
- if(IsUnreserved(*uri) ||
- IsSubDelim(*uri) || *uri == wxT(':'))
- m_userinfo += *uri++;
- else if (IsEscape(uri))
- {
+ if ( IsUnreserved(*uri) || IsSubDelim(*uri) || *uri == ':' )
m_userinfo += *uri++;
- m_userinfo += *uri++;
- m_userinfo += *uri++;
- }
else
- Escape(m_userinfo, *uri++);
+ AppendNextEscaped(m_userinfo, uri);
}
- if(*uri == wxT('@'))
+ if ( *uri++ == '@' )
{
- //valid userinfo
+ // valid userinfo
m_fields |= wxURI_USERINFO;
-
- uricopy = ++uri;
}
else
- m_userinfo = wxEmptyString;
+ {
+ uri = start; // rewind
+ m_userinfo.clear();
+ }
- return uricopy;
+ return uri;
}
-const wxChar* wxURI::ParseServer(const wxChar* uri)
+const char* wxURI::ParseServer(const char* uri)
{
- wxASSERT(uri != NULL);
-
- //copy of the uri - used for figuring out
- //length of each component
- const wxChar* uricopy = uri;
+ const char * const start = uri;
// host = IP-literal / IPv4address / reg-name
// IP-literal = "[" ( IPv6address / IPvFuture ) "]"
- if (*uri == wxT('['))
+ if (*uri == '[')
{
- ++uri; //some compilers don't support *&ing a ++*
- if (ParseIPv6address(uri) && *uri == wxT(']'))
+ ++uri;
+ if (ParseIPv6address(uri) && *uri == ']')
{
- ++uri;
m_hostType = wxURI_IPV6ADDRESS;
- wxStringBufferLength theBuffer(m_server, uri - uricopy);
- wxTmemcpy(theBuffer, uricopy, uri-uricopy);
- theBuffer.SetLength(uri-uricopy);
+ m_server.assign(start + 1, uri - start - 1);
+ ++uri;
}
else
{
- uri = uricopy;
+ uri = start + 1; // skip the leading '[' again
- ++uri; //some compilers don't support *&ing a ++*
- if (ParseIPvFuture(uri) && *uri == wxT(']'))
+ if (ParseIPvFuture(uri) && *uri == ']')
{
- ++uri;
m_hostType = wxURI_IPVFUTURE;
- wxStringBufferLength theBuffer(m_server, uri - uricopy);
- wxTmemcpy(theBuffer, uricopy, uri-uricopy);
- theBuffer.SetLength(uri-uricopy);
+ m_server.assign(start + 1, uri - start - 1);
+ ++uri;
+ }
+ else // unrecognized IP literal
+ {
+ uri = start;
}
- else
- uri = uricopy;
}
}
- else
+ else // IPv4 or a reg-name
{
if (ParseIPv4address(uri))
{
m_hostType = wxURI_IPV4ADDRESS;
- wxStringBufferLength theBuffer(m_server, uri - uricopy);
- wxTmemcpy(theBuffer, uricopy, uri-uricopy);
- theBuffer.SetLength(uri-uricopy);
+ m_server.assign(start, uri - start);
}
else
- uri = uricopy;
+ {
+ uri = start;
+ }
}
- if(m_hostType == wxURI_REGNAME)
+ if ( m_hostType == wxURI_REGNAME )
{
- uri = uricopy;
+ uri = start;
// reg-name = *( unreserved / pct-encoded / sub-delims )
- while(*uri && *uri != wxT('/') && *uri != wxT(':') && *uri != wxT('#') && *uri != wxT('?'))
+ while ( *uri && *uri != '/' && *uri != ':' && *uri != '#' && *uri != '?' )
{
- if(IsUnreserved(*uri) || IsSubDelim(*uri))
+ if ( IsUnreserved(*uri) || IsSubDelim(*uri) )
m_server += *uri++;
- else if (IsEscape(uri))
- {
- m_server += *uri++;
- m_server += *uri++;
- m_server += *uri++;
- }
else
- Escape(m_server, *uri++);
+ AppendNextEscaped(m_server, uri);
}
}
- //mark the server as valid
m_fields |= wxURI_SERVER;
return uri;
}
-const wxChar* wxURI::ParsePort(const wxChar* uri)
+const char* wxURI::ParsePort(const char* uri)
{
- wxASSERT(uri != NULL);
-
// port = *DIGIT
- if(*uri == wxT(':'))
+ if( *uri == ':' )
{
++uri;
- while(IsDigit(*uri))
+ while ( IsDigit(*uri) )
{
m_port += *uri++;
}
- //mark the port as valid
m_fields |= wxURI_PORT;
}
return uri;
}
-const wxChar* wxURI::ParsePath(const wxChar* uri, bool bReference, bool bNormalize)
+const char* wxURI::ParsePath(const char* uri)
{
- wxASSERT(uri != NULL);
-
- //copy of the uri - used for figuring out
- //length of each component
- const wxChar* uricopy = uri;
-
/// hier-part = "//" authority path-abempty
/// / path-absolute
/// / path-rootless
/// ; non-zero-length segment without any colon ":"
///
/// pchar = unreserved / pct-encoded / sub-delims / ":" / "@"
- if (*uri == wxT('/'))
- {
- m_path += *uri++;
- while(*uri && *uri != wxT('#') && *uri != wxT('?'))
- {
- if( IsUnreserved(*uri) || IsSubDelim(*uri) ||
- *uri == wxT(':') || *uri == wxT('@') || *uri == wxT('/'))
- m_path += *uri++;
- else if (IsEscape(uri))
- {
- m_path += *uri++;
- m_path += *uri++;
- m_path += *uri++;
- }
- else
- Escape(m_path, *uri++);
- }
+ if ( IsEndPath(*uri) )
+ return uri;
- if (bNormalize)
- {
- wxStringBufferLength theBuffer(m_path, m_path.length() + 1);
-#if wxUSE_STL || wxUSE_UNICODE_UTF8
- // FIXME-UTF8: have some wxReadWriteStringBuffer instead?
- wxTmemcpy(theBuffer, m_path.c_str(), m_path.length()+1);
-#endif
- Normalize(theBuffer, true);
- theBuffer.SetLength(wxStrlen(theBuffer));
- }
- //mark the path as valid
- m_fields |= wxURI_PATH;
- }
- else if(*uri) //Relative path
+ const bool isAbs = *uri == '/';
+ if ( isAbs )
+ m_path += *uri++;
+
+ wxArrayString segments;
+ wxString segment;
+ for ( ;; )
{
- if (bReference)
+ const bool endPath = IsEndPath(*uri);
+ if ( endPath || *uri == '/' )
{
- //no colon allowed
- while(*uri && *uri != wxT('#') && *uri != wxT('?'))
+ // end of a segment, look at what we got
+ if ( segment == ".." )
{
- if(IsUnreserved(*uri) || IsSubDelim(*uri) ||
- *uri == wxT('@') || *uri == wxT('/'))
- m_path += *uri++;
- else if (IsEscape(uri))
- {
- m_path += *uri++;
- m_path += *uri++;
- m_path += *uri++;
- }
- else
- Escape(m_path, *uri++);
+ if ( !segments.empty() && *segments.rbegin() != ".." )
+ segments.pop_back();
+ else if ( !isAbs )
+ segments.push_back("..");
}
- }
- else
- {
- while(*uri && *uri != wxT('#') && *uri != wxT('?'))
+ else if ( segment == "." )
{
- if(IsUnreserved(*uri) || IsSubDelim(*uri) ||
- *uri == wxT(':') || *uri == wxT('@') || *uri == wxT('/'))
- m_path += *uri++;
- else if (IsEscape(uri))
- {
- m_path += *uri++;
- m_path += *uri++;
- m_path += *uri++;
- }
- else
- Escape(m_path, *uri++);
+ // normally we ignore "." but the last one should be taken into
+ // account as "path/." is the same as "path/" and not just "path"
+ if ( endPath )
+ segments.push_back("");
}
- }
-
- if (uri != uricopy)
- {
- if (bNormalize)
+ else // normal segment
{
- wxStringBufferLength theBuffer(m_path, m_path.length() + 1);
-#if wxUSE_STL || wxUSE_UNICODE_UTF8
- // FIXME-UTF8: have some wxReadWriteStringBuffer instead?
- wxTmemcpy(theBuffer, m_path.c_str(), m_path.length()+1);
-#endif
- Normalize(theBuffer);
- theBuffer.SetLength(wxStrlen(theBuffer));
+ segments.push_back(segment);
}
- //mark the path as valid
- m_fields |= wxURI_PATH;
+ if ( endPath )
+ break;
+
+ segment.clear();
+ ++uri;
+ continue;
}
+
+ if ( IsUnreserved(*uri) || IsSubDelim(*uri) || *uri == ':' || *uri == '@' )
+ segment += *uri++;
+ else
+ AppendNextEscaped(segment, uri);
}
+ m_path += wxJoin(segments, '/', '\0');
+ m_fields |= wxURI_PATH;
+
return uri;
}
-const wxChar* wxURI::ParseQuery(const wxChar* uri)
+const char* wxURI::ParseQuery(const char* uri)
{
- wxASSERT(uri != NULL);
-
// query = *( pchar / "/" / "?" )
- if (*uri == wxT('?'))
+ if ( *uri == '?' )
{
++uri;
- while(*uri && *uri != wxT('#'))
+ while ( *uri && *uri != '#' )
{
- if (IsUnreserved(*uri) || IsSubDelim(*uri) ||
- *uri == wxT(':') || *uri == wxT('@') || *uri == wxT('/') || *uri == wxT('?'))
- m_query += *uri++;
- else if (IsEscape(uri))
- {
- m_query += *uri++;
- m_query += *uri++;
- m_query += *uri++;
- }
+ if ( IsUnreserved(*uri) || IsSubDelim(*uri) ||
+ *uri == ':' || *uri == '@' || *uri == '/' || *uri == '?' )
+ m_query += *uri++;
else
- Escape(m_query, *uri++);
+ AppendNextEscaped(m_query, uri);
}
- //mark the server as valid
m_fields |= wxURI_QUERY;
}
}
-const wxChar* wxURI::ParseFragment(const wxChar* uri)
+const char* wxURI::ParseFragment(const char* uri)
{
- wxASSERT(uri != NULL);
-
// fragment = *( pchar / "/" / "?" )
- if (*uri == wxT('#'))
+ if ( *uri == '#' )
{
++uri;
- while(*uri)
+ while ( *uri )
{
- if (IsUnreserved(*uri) || IsSubDelim(*uri) ||
- *uri == wxT(':') || *uri == wxT('@') || *uri == wxT('/') || *uri == wxT('?'))
- m_fragment += *uri++;
- else if (IsEscape(uri))
- {
- m_fragment += *uri++;
- m_fragment += *uri++;
- m_fragment += *uri++;
- }
+ if ( IsUnreserved(*uri) || IsSubDelim(*uri) ||
+ *uri == ':' || *uri == '@' || *uri == '/' || *uri == '?')
+ m_fragment += *uri++;
else
- Escape(m_fragment, *uri++);
+ AppendNextEscaped(m_fragment, uri);
}
- //mark the server as valid
m_fields |= wxURI_FRAGMENT;
}
// Note that an empty URI inherits all components
// ---------------------------------------------------------------------------
+/* static */
+wxArrayString wxURI::SplitInSegments(const wxString& path)
+{
+ return wxSplit(path, '/', '\0' /* no escape character */);
+}
+
void wxURI::Resolve(const wxURI& base, int flags)
{
wxASSERT_MSG(!base.IsReference(),
- wxT("wxURI to inherit from must not be a reference!"));
+ "wxURI to inherit from must not be a reference!");
- // If we arn't being strict, enable the older (pre-RFC2396)
- // loophole that allows this uri to inherit other
- // properties from the base uri - even if the scheme
- // is defined
+ // If we aren't being strict, enable the older (pre-RFC2396) loophole that
+ // allows this uri to inherit other properties from the base uri - even if
+ // the scheme is defined
if ( !(flags & wxURI_STRICT) &&
HasScheme() && base.HasScheme() &&
m_scheme == base.m_scheme )
// T.path = remove_dot_segments(R.path);
// T.query = R.query;
if (HasScheme())
- {
return;
- }
//No scheme - inherit
m_scheme = base.m_scheme;
// T.path = remove_dot_segments(R.path);
// T.query = R.query;
if (HasServer())
- {
return;
- }
//No authority - inherit
if (base.HasUserInfo())
m_fields |= wxURI_QUERY;
}
}
- else
+ else if ( m_path.empty() || m_path[0u] != '/' )
{
// if (R.path starts-with "/") then
// T.path = remove_dot_segments(R.path);
// T.path = remove_dot_segments(T.path);
// endif;
// T.query = R.query;
- if (m_path[0u] != wxT('/'))
- {
- //Merge paths
- wxString::const_iterator op = m_path.begin();
- wxString::const_iterator bp = base.m_path.begin() + base.m_path.length();
-
- //not a ending directory? move up
- if (base.m_path[0] && *(bp-1) != wxT('/'))
- UpTree(base.m_path.begin(), bp);
-
- //normalize directories
- while(*op == wxT('.') && *(op+1) == wxT('.') &&
- (*(op+2) == '\0' || *(op+2) == wxT('/')) )
- {
- UpTree(base.m_path.begin(), bp);
-
- if (*(op+2) == '\0')
- op += 2;
- else
- op += 3;
- }
-
- m_path = base.m_path.substr(0, bp - base.m_path.begin()) +
- m_path.substr((op - m_path.begin()), m_path.length());
- }
- }
-
- //T.fragment = R.fragment;
-}
-
-// ---------------------------------------------------------------------------
-// UpTree
-//
-// Moves a URI path up a directory
-// ---------------------------------------------------------------------------
-
-//static
-void wxURI::UpTree(wxString::const_iterator uristart,
- wxString::const_iterator& uri)
-{
- if (uri != uristart && *(uri-1) == wxT('/'))
- {
- uri -= 2;
- }
-
- for(;uri != uristart; --uri)
- {
- if (*uri == wxT('/'))
- {
- ++uri;
- break;
- }
- }
+ //
+ // So we don't do anything for absolute paths and implement merge for
+ // the relative ones
- //!!!TODO:HACK!!!//
- if (uri == uristart && *uri == wxT('/'))
- ++uri;
- //!!!//
-}
+ wxArrayString our(SplitInSegments(m_path)),
+ result(SplitInSegments(base.m_path));
-// FIXME-UTF8: fix Normalize() to use iterators instead of having this method!
-/*static*/ void wxURI::UpTree(const wxChar* uristart, const wxChar*& uri)
-{
- if (uri != uristart && *(uri-1) == wxT('/'))
- {
- uri -= 2;
- }
+ if ( !result.empty() )
+ result.pop_back();
- for(;uri != uristart; --uri)
- {
- if (*uri == wxT('/'))
+ if ( our.empty() )
{
- ++uri;
- break;
+ // if we have an empty path it means we were constructed from a "."
+ // string or something similar (e.g. "././././"), it should count
+ // as (empty) segment
+ our.push_back("");
}
- }
-
- //!!!TODO:HACK!!!//
- if (uri == uristart && *uri == wxT('/'))
- ++uri;
- //!!!//
-}
-// end of FIXME-UTF8
-
-// ---------------------------------------------------------------------------
-// Normalize
-//
-// Normalizes directories in-place
-//
-// I.E. ./ and . are ignored
-//
-// ../ and .. are removed if a directory is before it, along
-// with that directory (leading .. and ../ are kept)
-// ---------------------------------------------------------------------------
-
-//static
-void wxURI::Normalize(wxChar* s, bool bIgnoreLeads)
-{
- wxChar* cp = s;
- wxChar* bp = s;
-
- if(s[0] == wxT('/'))
- ++bp;
- while(*cp)
- {
- if (*cp == wxT('.') && (*(cp+1) == wxT('/') || *(cp+1) == '\0')
- && (bp == cp || *(cp-1) == wxT('/')))
+ const wxArrayString::const_iterator end = our.end();
+ for ( wxArrayString::const_iterator i = our.begin(); i != end; ++i )
{
- //. _or_ ./ - ignore
- if (*(cp+1) == '\0')
- cp += 1;
- else
- cp += 2;
- }
- else if (*cp == wxT('.') && *(cp+1) == wxT('.') &&
- (*(cp+2) == wxT('/') || *(cp+2) == '\0')
- && (bp == cp || *(cp-1) == wxT('/')))
- {
- //.. _or_ ../ - go up the tree
- if (s != bp)
+ if ( i->empty() || *i == "." )
{
- UpTree((const wxChar*)bp, (const wxChar*&)s);
-
- if (*(cp+2) == '\0')
- cp += 2;
- else
- cp += 3;
+ // as in ParsePath(), while normally we ignore the empty
+ // segments, we need to take account of them at the end
+ if ( i == end - 1 )
+ result.push_back("");
+ continue;
}
- else if (!bIgnoreLeads)
+ if ( *i == ".." )
{
- *bp++ = *cp++;
- *bp++ = *cp++;
- if (*cp)
- *bp++ = *cp++;
+ if ( !result.empty() )
+ {
+ result.pop_back();
- s = bp;
+ if ( i == end - 1 )
+ result.push_back("");
+ }
+ //else: just ignore, extra ".." don't accumulate
}
else
{
- if (*(cp+2) == '\0')
- cp += 2;
- else
- cp += 3;
+ if ( result.empty() )
+ {
+ // ensure that the resulting path will always be absolute
+ result.push_back("");
+ }
+
+ result.push_back(*i);
}
}
- else
- *s++ = *cp++;
+
+ m_path = wxJoin(result, '/', '\0');
}
- *s = '\0';
+ //T.fragment = R.fragment;
}
// ---------------------------------------------------------------------------
// ParseH16
//
// Parses 1 to 4 hex values. Returns true if the first character of the input
-// string is a valid hex character. It is the caller's responsability to move
+// string is a valid hex character. It is the caller's responsibility to move
// the input string back to its original position on failure.
// ---------------------------------------------------------------------------
-bool wxURI::ParseH16(const wxChar*& uri)
+bool wxURI::ParseH16(const char*& uri)
{
// h16 = 1*4HEXDIG
if(!IsHex(*++uri))
// to its original position on failure.
// ---------------------------------------------------------------------------
-bool wxURI::ParseIPv4address(const wxChar*& uri)
+bool wxURI::ParseIPv4address(const char*& uri)
{
//IPv4address = dec-octet "." dec-octet "." dec-octet "." dec-octet
//
//each ip part must be between 0-255 (dupe of version in for loop)
if( IsDigit(*++uri) && IsDigit(*++uri) &&
//100 or less (note !)
- !( (*(uri-2) < wxT('2')) ||
+ !( (*(uri-2) < '2') ||
//240 or less
- (*(uri-2) == wxT('2') &&
- (*(uri-1) < wxT('5') || (*(uri-1) == wxT('5') && *uri <= wxT('5')))
+ (*(uri-2) == '2' &&
+ (*(uri-1) < '5' || (*(uri-1) == '5' && *uri <= '5'))
)
)
)
//compilers should unroll this loop
for(; iIPv4 < 4; ++iIPv4)
{
- if (*uri != wxT('.') || !IsDigit(*++uri))
+ if (*uri != '.' || !IsDigit(*++uri))
break;
//each ip part must be between 0-255
if( IsDigit(*++uri) && IsDigit(*++uri) &&
//100 or less (note !)
- !( (*(uri-2) < wxT('2')) ||
+ !( (*(uri-2) < '2') ||
//240 or less
- (*(uri-2) == wxT('2') &&
- (*(uri-1) < wxT('5') || (*(uri-1) == wxT('5') && *uri <= wxT('5')))
+ (*(uri-2) == '2' &&
+ (*(uri-1) < '5' || (*(uri-1) == '5' && *uri <= '5'))
)
)
)
return iIPv4 == 4;
}
-bool wxURI::ParseIPv6address(const wxChar*& uri)
+bool wxURI::ParseIPv6address(const char*& uri)
{
// IPv6address = 6( h16 ":" ) ls32
// / "::" 5( h16 ":" ) ls32
break;
}
- if(*uri != wxT(':'))
+ if(*uri != ':')
{
break;
}
if (numPrefix)
return false;
- if (*uri == wxT(':'))
+ if (*uri == ':')
{
- if (*++uri != wxT(':'))
+ if (*++uri != ':')
return false;
maxPostfix = 5;
}
else
{
- if (*uri != wxT(':') || *(uri+1) != wxT(':'))
+ if (*uri != ':' || *(uri+1) != ':')
{
if (numPrefix != 6)
return false;
- while (*--uri != wxT(':')) {}
+ while (*--uri != ':') {}
++uri;
- const wxChar* uristart = uri;
+ const char * const start = uri;
//parse ls32
// ls32 = ( h16 ":" h16 ) / IPv4address
- if (ParseH16(uri) && *uri == wxT(':') && ParseH16(uri))
+ if (ParseH16(uri) && *uri == ':' && ParseH16(uri))
return true;
- uri = uristart;
+ uri = start;
if (ParseIPv4address(uri))
return true;
for(; maxPostfix != 0; --maxPostfix)
{
- if(!ParseH16(uri) || *uri != wxT(':'))
+ if(!ParseH16(uri) || *uri != ':')
return false;
}
if(numPrefix <= 4)
{
- const wxChar* uristart = uri;
+ const char * const start = uri;
//parse ls32
// ls32 = ( h16 ":" h16 ) / IPv4address
- if (ParseH16(uri) && *uri == wxT(':') && ParseH16(uri))
+ if (ParseH16(uri) && *uri == ':' && ParseH16(uri))
return true;
- uri = uristart;
+ uri = start;
if (ParseIPv4address(uri))
return true;
- uri = uristart;
+ uri = start;
if (!bAllowAltEnding)
return false;
return true;
}
-bool wxURI::ParseIPvFuture(const wxChar*& uri)
+bool wxURI::ParseIPvFuture(const char*& uri)
{
// IPvFuture = "v" 1*HEXDIG "." 1*( unreserved / sub-delims / ":" )
- if (*++uri != wxT('v') || !IsHex(*++uri))
+ if (*++uri != 'v' || !IsHex(*++uri))
return false;
- while (IsHex(*++uri)) {}
+ while (IsHex(*++uri))
+ ;
- if (*uri != wxT('.') || !(IsUnreserved(*++uri) || IsSubDelim(*uri) || *uri == wxT(':')))
+ if (*uri != '.' || !(IsUnreserved(*++uri) || IsSubDelim(*uri) || *uri == ':'))
return false;
- while(IsUnreserved(*++uri) || IsSubDelim(*uri) || *uri == wxT(':')) {}
+ while(IsUnreserved(*++uri) || IsSubDelim(*uri) || *uri == ':') {}
return true;
}
-// ---------------------------------------------------------------------------
-// CharToHex
-//
-// Converts a character into a numeric hexidecimal value, or 0 if the
-// passed in character is not a valid hex character
-// ---------------------------------------------------------------------------
-
-//static
-wxChar wxURI::CharToHex(const wxChar& c)
-{
- if ((c >= wxT('A')) && (c <= wxT('Z'))) return wxChar(c - wxT('A') + 0x0A);
- if ((c >= wxT('a')) && (c <= wxT('z'))) return wxChar(c - wxT('a') + 0x0a);
- if ((c >= wxT('0')) && (c <= wxT('9'))) return wxChar(c - wxT('0') + 0x00);
-
- return 0;
-}
-
// ---------------------------------------------------------------------------
// IsXXX
//
// Returns true if the passed in character meets the criteria of the method
// ---------------------------------------------------------------------------
-//! unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"
-bool wxURI::IsUnreserved (const wxChar& c)
-{ return IsAlpha(c) || IsDigit(c) ||
- c == wxT('-') ||
- c == wxT('.') ||
- c == wxT('_') ||
- c == wxT('~') //tilde
+// unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"
+bool wxURI::IsUnreserved(char c)
+{
+ return IsAlpha(c) ||
+ IsDigit(c) ||
+ c == '-' ||
+ c == '.' ||
+ c == '_' ||
+ c == '~'
;
}
-bool wxURI::IsReserved (const wxChar& c)
+bool wxURI::IsReserved(char c)
{
return IsGenDelim(c) || IsSubDelim(c);
}
-//! gen-delims = ":" / "/" / "?" / "#" / "[" / "]" / "@"
-bool wxURI::IsGenDelim (const wxChar& c)
+// gen-delims = ":" / "/" / "?" / "#" / "[" / "]" / "@"
+bool wxURI::IsGenDelim(char c)
{
- return c == wxT(':') ||
- c == wxT('/') ||
- c == wxT('?') ||
- c == wxT('#') ||
- c == wxT('[') ||
- c == wxT(']') ||
- c == wxT('@');
+ return c == ':' ||
+ c == '/' ||
+ c == '?' ||
+ c == '#' ||
+ c == '[' ||
+ c == ']' ||
+ c == '@';
}
-//! sub-delims = "!" / "$" / "&" / "'" / "(" / ")"
-//! / "*" / "+" / "," / ";" / "="
-bool wxURI::IsSubDelim (const wxChar& c)
+// sub-delims = "!" / "$" / "&" / "'" / "(" / ")"
+// / "*" / "+" / "," / ";" / "="
+bool wxURI::IsSubDelim(char c)
{
- return c == wxT('!') ||
- c == wxT('$') ||
- c == wxT('&') ||
- c == wxT('\'') ||
- c == wxT('(') ||
- c == wxT(')') ||
- c == wxT('*') ||
- c == wxT('+') ||
- c == wxT(',') ||
- c == wxT(';') ||
- c == wxT('=')
+ return c == '!' ||
+ c == '$' ||
+ c == '&' ||
+ c == '\'' ||
+ c == '(' ||
+ c == ')' ||
+ c == '*' ||
+ c == '+' ||
+ c == ',' ||
+ c == ';' ||
+ c == '='
;
}
-bool wxURI::IsHex(const wxChar& c)
-{ return IsDigit(c) || (c >= wxT('a') && c <= wxT('f')) || (c >= wxT('A') && c <= wxT('F')); }
-
-bool wxURI::IsAlpha(const wxChar& c)
-{ return (c >= wxT('a') && c <= wxT('z')) || (c >= wxT('A') && c <= wxT('Z')); }
-
-bool wxURI::IsDigit(const wxChar& c)
-{ return c >= wxT('0') && c <= wxT('9'); }
-
+bool wxURI::IsHex(char c)
+{
+ return IsDigit(c) ||
+ (c >= 'a' && c <= 'f') ||
+ (c >= 'A' && c <= 'F');
+}
-//end of uri.cpp
+bool wxURI::IsAlpha(char c)
+{
+ return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
+}
+bool wxURI::IsDigit(char c)
+{
+ return c >= '0' && c <= '9';
+}
+bool wxURI::IsEndPath(char c)
+{
+ return c == '\0' || c == '#' || c == '?';
+}
projects / wxWidgets.git / blobdiff