XRootD
XrdXmlReader.cc
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1 /******************************************************************************/
2 /* */
3 /* X r d X m l R e a d e r . c c */
4 /* */
5 /* (c) 2015 by the Board of Trustees of the Leland Stanford, Jr., University */
6 /* Produced by Andrew Hanushevsky for Stanford University under contract */
7 /* DE-AC02-76-SFO0515 with the Department of Energy */
8 /* */
9 /* This file is part of the XRootD software suite. */
10 /* */
11 /* XRootD is free software: you can redistribute it and/or modify it under */
12 /* the terms of the GNU Lesser General Public License as published by the */
13 /* Free Software Foundation, either version 3 of the License, or (at your */
14 /* option) any later version. */
15 /* */
16 /* XRootD is distributed in the hope that it will be useful, but WITHOUT */
17 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
18 /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
19 /* License for more details. */
20 /* */
21 /* You should have received a copy of the GNU Lesser General Public License */
22 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
23 /* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
24 /* */
25 /* The copyright holder's institutional names and contributor's names may not */
26 /* be used to endorse or promote products derived from this software without */
27 /* specific prior written permission of the institution or contributor. */
28 /******************************************************************************/
29 
30 #include <cerrno>
31 #include <cstring>
32 
33 #include "XrdXml/XrdXmlRdrTiny.hh"
34 
35 #ifdef HAVE_XML2
36 #include "XrdXml/XrdXmlRdrXml2.hh"
37 #endif
38 
39 /******************************************************************************/
40 /* G e t R e a d e r */
41 /******************************************************************************/
42 
43 XrdXmlReader *XrdXmlReader::GetReader(const char *fname, const char *enc,
44  const char *impl)
45 {
46  XrdXmlReader *rP;
47  int rc;
48  bool aOK;
49 
50 // Check if this is the default implementation
51 // c
52  if (!impl || !strcmp(impl, "tinyxml"))
53  {rP = new XrdXmlRdrTiny(aOK, fname, enc);
54  if (aOK) return rP;
55  rP->GetError(rc);
56  delete rP;
57  errno = (rc ? rc : ENOTSUP);
58  return 0;
59  }
60 
61 // Check for he full blown xml implementation
62 //
63 #ifdef HAVE_XML2
64  if (!strcmp(impl, "libxml2"))
65  {rP = new XrdXmlRdrXml2(aOK, fname, enc);
66  if (aOK) return rP;
67  rP->GetError(rc);
68  delete rP;
69  errno = (rc ? rc : ENOTSUP);
70  return 0;
71  }
72 #endif
73 
74 // Add additional implementations here
75 //
76 
77 // Not supported
78 //
79  errno = ENOTSUP;
80  return 0;
81 }
82 
83 /******************************************************************************/
84 /* I n i t */
85 /******************************************************************************/
86 
87 bool XrdXmlReader::Init(const char *impl)
88 {
89 // Check if this is the default implementation
90 //
91  if (!impl || !strcmp(impl, "tinyxml")) return true;
92 
93 // Check for the whole hog implmenetation
94 //
95 #ifdef HAVE_XML2
96  if (!strcmp(impl, "libxml2")) {return XrdXmlRdrXml2::Init();}
97 #endif
98 
99 // Add additional implementations here
100 //
101 
102 // Not supported
103 //
104  errno = ENOTSUP;
105  return false;
106 }
static bool Init()
static XrdXmlReader * GetReader(const char *fname, const char *enc=0, const char *impl=0)
Definition: XrdXmlReader.cc:43
virtual const char * GetError(int &ecode)=0
static bool Init(const char *impl=0)
Definition: XrdXmlReader.cc:87