/[pcsx2_0.9.7]/trunk/3rdparty/wxWidgets/src/common/fs_inet.cpp
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Contents of /trunk/3rdparty/wxWidgets/src/common/fs_inet.cpp

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Revision 31 - (show annotations) (download)
Tue Sep 7 03:24:11 2010 UTC (10 years, 2 months ago) by william
File size: 4422 byte(s)
committing r3113 initial commit again...
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/common/fs_inet.cpp
3 // Purpose: HTTP and FTP file system
4 // Author: Vaclav Slavik
5 // Copyright: (c) 1999 Vaclav Slavik
6 // RCS-ID: $Id: fs_inet.cpp 41033 2006-09-06 13:49:42Z RR $
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 #include "wx/wxprec.h"
11
12 #ifdef __BORLANDC__
13 #pragma hdrstop
14 #endif
15
16 #if !wxUSE_SOCKETS
17 #undef wxUSE_FS_INET
18 #define wxUSE_FS_INET 0
19 #endif
20
21 #if wxUSE_FILESYSTEM && wxUSE_FS_INET
22
23 #ifndef WXPRECOMP
24 #include "wx/module.h"
25 #endif
26
27 #include "wx/wfstream.h"
28 #include "wx/url.h"
29 #include "wx/filesys.h"
30 #include "wx/fs_inet.h"
31
32 // ----------------------------------------------------------------------------
33 // Helper classes
34 // ----------------------------------------------------------------------------
35
36 // This stream deletes the file when destroyed
37 class wxTemporaryFileInputStream : public wxFileInputStream
38 {
39 public:
40 wxTemporaryFileInputStream(const wxString& filename) :
41 wxFileInputStream(filename), m_filename(filename) {}
42
43 virtual ~wxTemporaryFileInputStream()
44 {
45 // NB: copied from wxFileInputStream dtor, we need to do it before
46 // wxRemoveFile
47 if (m_file_destroy)
48 {
49 delete m_file;
50 m_file_destroy = false;
51 }
52 wxRemoveFile(m_filename);
53 }
54
55 protected:
56 wxString m_filename;
57 };
58
59
60 // ----------------------------------------------------------------------------
61 // wxInternetFSHandler
62 // ----------------------------------------------------------------------------
63
64 static wxString StripProtocolAnchor(const wxString& location)
65 {
66 wxString myloc(location.BeforeLast(wxT('#')));
67 if (myloc.empty()) myloc = location.AfterFirst(wxT(':'));
68 else myloc = myloc.AfterFirst(wxT(':'));
69
70 // fix malformed url:
71 if (!myloc.Left(2).IsSameAs(wxT("//")))
72 {
73 if (myloc.GetChar(0) != wxT('/')) myloc = wxT("//") + myloc;
74 else myloc = wxT("/") + myloc;
75 }
76 if (myloc.Mid(2).Find(wxT('/')) == wxNOT_FOUND) myloc << wxT('/');
77
78 return myloc;
79 }
80
81
82 bool wxInternetFSHandler::CanOpen(const wxString& location)
83 {
84 #if wxUSE_URL
85 wxString p = GetProtocol(location);
86 if ((p == wxT("http")) || (p == wxT("ftp")))
87 {
88 wxURL url(p + wxT(":") + StripProtocolAnchor(location));
89 return (url.GetError() == wxURL_NOERR);
90 }
91 #endif
92 return false;
93 }
94
95
96 wxFSFile* wxInternetFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs),
97 const wxString& location)
98 {
99 #if !wxUSE_URL
100 return NULL;
101 #else
102 wxString right =
103 GetProtocol(location) + wxT(":") + StripProtocolAnchor(location);
104
105 wxURL url(right);
106 if (url.GetError() == wxURL_NOERR)
107 {
108 wxInputStream *s = url.GetInputStream();
109 wxString content = url.GetProtocol().GetContentType();
110 if (content == wxEmptyString) content = GetMimeTypeFromExt(location);
111 if (s)
112 {
113 wxString tmpfile =
114 wxFileName::CreateTempFileName(wxT("wxhtml"));
115
116 { // now copy streams content to temporary file:
117 wxFileOutputStream sout(tmpfile);
118 s->Read(sout);
119 }
120 delete s;
121
122 return new wxFSFile(new wxTemporaryFileInputStream(tmpfile),
123 right,
124 content,
125 GetAnchor(location)
126 #if wxUSE_DATETIME
127 , wxDateTime::Now()
128 #endif // wxUSE_DATETIME
129 );
130 }
131 }
132
133 return (wxFSFile*) NULL; // incorrect URL
134 #endif
135 }
136
137
138 class wxFileSystemInternetModule : public wxModule
139 {
140 DECLARE_DYNAMIC_CLASS(wxFileSystemInternetModule)
141
142 public:
143 wxFileSystemInternetModule() :
144 wxModule(),
145 m_handler(NULL)
146 {
147 }
148
149 virtual bool OnInit()
150 {
151 m_handler = new wxInternetFSHandler;
152 wxFileSystem::AddHandler(m_handler);
153 return true;
154 }
155
156 virtual void OnExit()
157 {
158 delete wxFileSystem::RemoveHandler(m_handler);
159 }
160
161 private:
162 wxFileSystemHandler* m_handler;
163 };
164
165 IMPLEMENT_DYNAMIC_CLASS(wxFileSystemInternetModule, wxModule)
166
167 #endif // wxUSE_FILESYSTEM && wxUSE_FS_INET

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