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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: url.h | |
3 | // Purpose: interface of wxURL | |
4 | // Author: wxWidgets team | |
5 | // RCS-ID: $Id$ | |
6 | // Licence: wxWindows licence | |
7 | ///////////////////////////////////////////////////////////////////////////// | |
8 | ||
9 | /** | |
10 | Error types returned from wxURL::GetError(). | |
11 | */ | |
12 | typedef enum { | |
13 | wxURL_NOERR = 0, ///< No error. | |
14 | wxURL_SNTXERR, ///< Syntax error in the URL string. | |
15 | wxURL_NOPROTO, ///< Found no protocol which can get this URL. | |
16 | wxURL_NOHOST, ///< A host name is required for this protocol. | |
17 | wxURL_NOPATH, ///< A path is required for this protocol. | |
18 | wxURL_CONNERR, ///< Connection error. | |
19 | wxURL_PROTOERR ///< An error occurred during negotiation. | |
20 | } wxURLError; | |
21 | ||
22 | /** | |
23 | @class wxURL | |
24 | ||
25 | wxURL is a specialization of wxURI for parsing URLs. Please look at wxURI | |
26 | documentation for more info about the functions you can use to retrieve the | |
27 | various parts of the URL (scheme, server, port, etc). | |
28 | ||
29 | Supports standard assignment operators, copy constructors, and comparison | |
30 | operators. | |
31 | ||
32 | @library{wxnet} | |
33 | @category{net} | |
34 | ||
35 | @see wxSocketBase, wxProtocol | |
36 | */ | |
37 | class wxURL : public wxURI | |
38 | { | |
39 | public: | |
40 | /** | |
41 | Constructs a URL object from the string. The URL must be valid | |
42 | according to RFC 1738. In particular, file URLs must be of the format | |
43 | @c "file://hostname/path/to/file", otherwise GetError() will return a | |
44 | value different from ::wxURL_NOERR. | |
45 | ||
46 | It is valid to leave out the hostname but slashes must remain in place, | |
47 | in other words, a file URL without a hostname must contain three | |
48 | consecutive slashes (e.g. @c "file:///somepath/myfile"). | |
49 | ||
50 | @param url | |
51 | Url string to parse. | |
52 | */ | |
53 | wxURL(const wxString& url = wxEmptyString); | |
54 | ||
55 | /** | |
56 | Destroys the URL object. | |
57 | */ | |
58 | virtual ~wxURL(); | |
59 | ||
60 | /** | |
61 | Returns the last error. This error refers to the URL parsing or to the | |
62 | protocol. It can be one of ::wxURLError. | |
63 | */ | |
64 | wxURLError GetError() const; | |
65 | ||
66 | /** | |
67 | Creates a new input stream on the specified URL. You can use all but | |
68 | seek functionality of wxStream. Seek isn't available on all streams. | |
69 | For example, HTTP or FTP streams don't deal with it. | |
70 | ||
71 | Note that this method is somewhat deprecated, all future wxWidgets | |
72 | applications should use wxFileSystem instead. | |
73 | ||
74 | Example: | |
75 | ||
76 | @code | |
77 | wxURL url("http://a.host/a.dir/a.file"); | |
78 | if (url.GetError() == wxURL_NOERR) | |
79 | { | |
80 | wxInputStream *in_stream; | |
81 | ||
82 | in_stream = url.GetInputStream(); | |
83 | // Then, you can use all IO calls of in_stream (See wxStream) | |
84 | } | |
85 | @endcode | |
86 | ||
87 | @return Returns the initialized stream. You will have to delete it | |
88 | yourself. | |
89 | ||
90 | @see wxInputStream | |
91 | */ | |
92 | wxInputStream* GetInputStream(); | |
93 | ||
94 | /** | |
95 | Returns a reference to the protocol which will be used to get the URL. | |
96 | */ | |
97 | wxProtocol& GetProtocol(); | |
98 | ||
99 | /** | |
100 | Returns @true if this object is correctly initialized, i.e. if | |
101 | GetError() returns ::wxURL_NOERR. | |
102 | */ | |
103 | bool IsOk() const; | |
104 | ||
105 | /** | |
106 | Sets the default proxy server to use to get the URL. The string | |
107 | specifies the proxy like this: @c "<hostname>:<port number>". | |
108 | ||
109 | @param url_proxy | |
110 | Specifies the proxy to use. | |
111 | ||
112 | @see SetProxy() | |
113 | */ | |
114 | static void SetDefaultProxy(const wxString& url_proxy); | |
115 | ||
116 | /** | |
117 | Sets the proxy to use for this URL. | |
118 | ||
119 | @see SetDefaultProxy() | |
120 | */ | |
121 | void SetProxy(const wxString& url_proxy); | |
122 | ||
123 | /** | |
124 | Initializes this object with the given URL and returns ::wxURL_NOERR if | |
125 | it's valid (see GetError() for more info). | |
126 | */ | |
127 | wxURLError SetURL(const wxString& url); | |
128 | }; | |
129 |