1 /* Based on nsURLParsers.cc from Mozilla
2 * -------------------------------------
3 * Copyright (C) 1998 Netscape Communications Corporation.
4 *
5 * Other contributors:
6 * Darin Fisher (original author)
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 * Alternatively, the contents of this file may be used under the terms
23 * of either the Mozilla Public License Version 1.1, found at
24 * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
25 * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
26 * (the "GPL"), in which case the provisions of the MPL or the GPL are
27 * applicable instead of those above. If you wish to allow use of your
28 * version of this file only under the terms of one of those two
29 * licenses (the MPL or the GPL) and not to allow others to use your
30 * version of this file under the LGPL, indicate your decision by
31 * deletingthe provisions above and replace them with the notice and
32 * other provisions required by the MPL or the GPL, as the case may be.
33 * If you do not delete the provisions above, a recipient may use your
34 * version of this file under any of the LGPL, the MPL or the GPL.
35 */
36
37 #include "config.h"
38 #include "URLSegments.h"
39
40 namespace WTF {
41
length() const42 int URLSegments::length() const
43 {
44 if (fragment.isValid())
45 return fragment.end();
46 return charactersBefore(Fragment, false);
47 }
48
charactersBefore(ComponentType type,bool includeDelimiter) const49 int URLSegments::charactersBefore(ComponentType type, bool includeDelimiter) const
50 {
51 if (type == Scheme)
52 return scheme.begin();
53
54 int current = 0;
55 if (scheme.isValid())
56 current = scheme.end() + 1; // Advance over the ':' at the end of the scheme.
57
58 if (username.isValid()) {
59 if (type <= Username)
60 return username.begin();
61 current = username.end() + 1; // Advance over the '@' or ':' at the end.
62 }
63
64 if (password.isValid()) {
65 if (type <= Password)
66 return password.begin();
67 current = password.end() + 1; // Advance over the '@' at the end.
68 }
69
70 if (host.isValid()) {
71 if (type <= Host)
72 return host.begin();
73 current = host.end();
74 }
75
76 if (port.isValid()) {
77 if (type < Port || (type == Port && includeDelimiter))
78 return port.begin() - 1; // Back over delimiter.
79 if (type == Port)
80 return port.begin(); // Don't want delimiter counted.
81 current = port.end();
82 }
83
84 if (path.isValid()) {
85 if (type <= Path)
86 return path.begin();
87 current = path.end();
88 }
89
90 if (query.isValid()) {
91 if (type < Query || (type == Query && includeDelimiter))
92 return query.begin() - 1; // Back over delimiter.
93 if (type == Query)
94 return query.begin(); // Don't want delimiter counted.
95 current = query.end();
96 }
97
98 if (fragment.isValid()) {
99 if (type == Fragment && !includeDelimiter)
100 return fragment.begin(); // Back over delimiter.
101
102 // When there is a fragment and we get here, the component we wanted was before
103 // this and not found, so we always know the beginning of the fragment is right.
104 return fragment.begin() - 1; // Don't want delimiter counted.
105 }
106
107 return current;
108 }
109
110 } // namespace WTF
111