1 /*
2 * Copyright (c) 2011-2014, Intel Corporation
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation and/or
13 * other materials provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors
16 * may be used to endorse or promote products derived from this software without
17 * specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 #include "ElementLocator.h"
31 #include "PathNavigator.h"
32
33 using std::string;
34
CElementLocator(CElement * pSubRootElement,bool bStrict)35 CElementLocator::CElementLocator(CElement *pSubRootElement, bool bStrict)
36 : _pSubRootElement(pSubRootElement), _bStrict(bStrict)
37 {
38 }
39
40 // Locate element
locate(const string & strPath,CElement ** ppElement,string & strError)41 bool CElementLocator::locate(const string &strPath, CElement **ppElement, string &strError)
42 {
43 CPathNavigator pathNavigator(strPath);
44
45 if (!pathNavigator.isPathValid()) {
46
47 strError = "Invalid Path";
48
49 return false;
50 }
51
52 // Sub root element?
53 string *pStrChildName = pathNavigator.next();
54
55 if (!pStrChildName) {
56
57 if (_bStrict) {
58
59 strError = "Path not found: " + strPath;
60
61 return false;
62 }
63 // Empty path
64 return true;
65 }
66
67 if (*pStrChildName != _pSubRootElement->getName()) {
68
69 strError = "Path not found: " + strPath;
70
71 return false;
72 }
73
74 // Find in tree
75 *ppElement = _pSubRootElement->findDescendant(pathNavigator);
76
77 if (!*ppElement) {
78
79 strError = "Path not found: " + strPath;
80
81 return false;
82 }
83
84 return true;
85 }
86