1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/*
Ousía
Copyright (C) 2014, 2015 Benjamin Paaßen, Andreas Stöckel
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string>
#include <unordered_map>
#include <vector>
#include "Node.hpp"
namespace ousia {
namespace dom {
/* Class NamedNode */
void NamedNode::doResolve(const std::vector<Rooted<Node>> &res,
const std::vector<std::string> &path,
ResolutionCallback callback, void *callbackData,
int idx, const VisitorMap &visited)
{
// Do nothing in the default implementation
}
void NamedNode::resolve(const std::vector<Rooted<Node>> &res,
const std::vector<std::string> &path,
ResolutionCallback *callback, void *callbackData,
int idx, const VisitorMap &visited)
{
// Abort if this node was already visited for this path index
std::pair<Node *, int> recKey = std::make_pair(this, idx);
if (visited.find(recKey) != visited.end()) {
return res.size();
}
visited.insert(recKey);
// Check whether the we can continue the path
if (path[idx] == name) {
// If we have reached the end of the path and the node is successfully
// tested by the callback function, add it to the result. Otherwise
// continue searching along the path
if (idx == path.size() - 1) {
if (!callback || callback(this, callbackData)) {
res.push_back(this);
}
} else {
doResolve(res, path, callback, callbackData, idx + 1, visited);
}
}
// Restart the search from here in order to find all possible nodes that can
// be matched to the given path
doResolve(res, path, callback, callbackData, 0, visited);
}
std::vector<Rooted<Node>> NamedNode::resolve(
const std::vector<std::string> &path, ResolutionCallback callback,
void *callbackData)
{
std::vector<Rooted<Node>> res;
VisitorMap visited;
resolve(res, path, callback, callbackData, 0, visited);
return res;
}
}
}
|
