+/////////////////////////////////////////////////////////////////////////////
+// Name: webviewfilehandler.cpp
+// Purpose: Custom webview handler to allow archive browsing
+// Author: Steven Lamerton
+// Id: $Id$
+// Copyright: (c) 2011 Steven Lamerton
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_WEB
+
+#if defined(__BORLANDC__)
+ #pragma hdrstop
+#endif
+
+#include "wx/webviewarchivehandler.h"
+#include "wx/filesys.h"
+
+//Taken from wx/filesys.cpp
+static wxString EscapeFileNameCharsInURL(const char *in)
+{
+ wxString s;
+
+ for ( const unsigned char *p = (const unsigned char*)in; *p; ++p )
+ {
+ const unsigned char c = *p;
+
+ if ( c == '/' || c == '-' || c == '.' || c == '_' || c == '~' ||
+ (c >= '0' && c <= '9') ||
+ (c >= 'a' && c <= 'z') ||
+ (c >= 'A' && c <= 'Z') )
+ {
+ s << c;
+ }
+ else
+ {
+ s << wxString::Format("%%%02x", c);
+ }
+ }
+
+ return s;
+}
+
+wxWebViewArchiveHandler::wxWebViewArchiveHandler(const wxString& scheme) :
+ wxWebViewHandler(scheme)
+{
+ m_fileSystem = new wxFileSystem();
+}
+
+wxFSFile* wxWebViewArchiveHandler::GetFile(const wxString &uri)
+{
+ //If there is a fragment at the end of the path then we need to strip it
+ //off as not all backends do this for us
+ wxString path = uri;
+ size_t hashloc = uri.find('#');
+ if(hashloc != wxString::npos)
+ {
+ path = uri.substr(0, hashloc);
+ }
+
+ //We iterate through the string to see if there is a protocol description
+ size_t start = wxString::npos;
+ for(size_t i = 0; i < path.length(); i++)
+ {
+ if(path[i] == ';' && path.substr(i, 10) == ";protocol=")
+ {
+ start = i;
+ break;
+ }
+ }
+
+ //We do not have a protocol string so we just pass the path withouth the
+ if(start == wxString::npos)
+ {
+ size_t doubleslash = path.find("//");
+ //The path is incorrectly formed without // after the scheme
+ if(doubleslash == wxString::npos)
+ return NULL;
+
+ wxString fspath = "file:" +
+ EscapeFileNameCharsInURL(path.substr(doubleslash + 2));
+ return m_fileSystem->OpenFile(fspath);
+ }
+ //Otherwise we need to extract the protocol
+ else
+ {
+ size_t end = path.find('/', start);
+ //For the path to be valid there must to a path after the protocol
+ if(end == wxString::npos)
+ {
+ return NULL;
+ }
+ wxString mainpath = path.substr(0, start);
+ wxString archivepath = path.substr(end);
+ wxString protstring = path.substr(start, end - start);
+ wxString protocol = protstring.substr(10);
+ //We can now construct the correct path
+ size_t doubleslash = path.find("//");
+ //The path is incorrectly formed without // after the first protocol
+ if(doubleslash == wxString::npos)
+ return NULL;
+
+ wxString fspath = "file:" +
+ EscapeFileNameCharsInURL(mainpath.substr(doubleslash + 2))
+ + "#" + protocol +":" + archivepath;
+ return m_fileSystem->OpenFile(fspath);
+ }
+}
+
+#endif // wxUSE_WEB
projects / wxWidgets.git / commitdiff
