/[svn]/qsampler/trunk/src/qsamplerUtilities.cpp
ViewVC logotype

Annotation of /qsampler/trunk/src/qsamplerUtilities.cpp

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1394 - (hide annotations) (download)
Mon Oct 8 09:37:39 2007 UTC (12 years, 4 months ago) by capela
File size: 3401 byte(s)
- Missing null check on protocol_version in getRemoteLscpVersion().

1 schoenebeck 1386 // qsamplerUtilities.cpp
2     //
3     /****************************************************************************
4     Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved.
5    
6     This program is free software; you can redistribute it and/or
7     modify it under the terms of the GNU General Public License
8     as published by the Free Software Foundation; either version 2
9     of the License, or (at your option) any later version.
10    
11     This program is distributed in the hope that it will be useful,
12     but WITHOUT ANY WARRANTY; without even the implied warranty of
13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14     GNU General Public License for more details.
15    
16     You should have received a copy of the GNU General Public License along
17     with this program; if not, write to the Free Software Foundation, Inc.,
18     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19    
20     *****************************************************************************/
21    
22     #include "qsamplerUtilities.h"
23    
24     #include "qsamplerMainForm.h"
25    
26     #include <stdio.h>
27     #include <qregexp.h>
28    
29     // converts the given file path into a path as expected by LSCP 1.2
30 capela 1394 QString lscpEscapePath ( const QString& sPath )
31     {
32     QString path(sPath);
33    
34 schoenebeck 1386 // check if remote side supports LSCP escape sequences
35     const lscpVersion_t version = getRemoteLscpVersion();
36     if (version.major < 1 || version.minor < 2)
37     return path; // LSCP v1.2 or younger required
38    
39     // replace POSIX path escape sequences (%HH) by LSCP escape sequences (\xHH)
40     // TODO: missing code for other systems like Windows
41     {
42     QRegExp regexp("%[0-9a-fA-F][0-9a-fA-F]");
43     for (int i = path.find(regexp); i >= 0; i = path.find(regexp, i + 3))
44     path.replace(i, 1, "\\x");
45     }
46 capela 1394
47 schoenebeck 1386 // replace all non-basic characters by LSCP escape sequences
48     {
49     const char pathSeparator = '/';
50     QRegExp regexp(QRegExp::escape("\\x") + "[0-9a-fA-F][0-9a-fA-F]");
51     for (int i = 0; i < int(path.length()); i++) {
52     // first skip all previously added LSCP escape sequences
53     if (path.find(regexp, i) == i) {
54     i += 3;
55     continue;
56     }
57     // now match all non-alphanumerics
58     // (we could exclude much more characters here, but that way
59     // we're sure it just works^TM)
60     const char c = path.at(i).latin1();
61     if (
62     !(c >= '0' && c <= '9') &&
63     !(c >= 'a' && c <= 'z') &&
64     !(c >= 'A' && c <= 'Z') &&
65     !(c == pathSeparator)
66     ) {
67     // convert the non-basic character into a LSCP escape sequence
68     char buf[5];
69 capela 1394 ::snprintf(buf, sizeof(buf), "\\x%2x", static_cast<unsigned char>(c));
70 schoenebeck 1386 path.replace(i, 1, buf);
71     i += 3;
72     }
73     }
74     }
75 capela 1394
76 schoenebeck 1386 return path;
77     }
78    
79 capela 1394
80     lscpVersion_t getRemoteLscpVersion (void)
81     {
82 schoenebeck 1386 lscpVersion_t result = { 0, 0 };
83    
84     qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
85 capela 1394 if (pMainForm == NULL)
86     return result;
87     if (pMainForm->client() == NULL)
88     return result;
89 schoenebeck 1386
90     lscp_server_info_t* pServerInfo =
91     ::lscp_get_server_info(pMainForm->client());
92 capela 1394 if (pServerInfo && pServerInfo->protocol_version)
93     ::sscanf(pServerInfo->protocol_version, "%d.%d",
94     &result.major, &result.minor);
95 schoenebeck 1386
96     return result;
97     }

  ViewVC Help
Powered by ViewVC