blob: 2401cf7a067ad0cb57b5880bb9a4043cdc8494ba (
plain)
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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/*
Copyright (C) 2008 Paul Davis
Author: Sakari Bergen
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_element_import_handler_h__
#define __ardour_element_import_handler_h__
#include <string>
#include <list>
#include <set>
#include <boost/shared_ptr.hpp>
class XMLTree;
namespace ARDOUR {
class Session;
class ElementImporter;
/// Virtual interface class for element import handlers
class ElementImportHandler
{
public:
typedef boost::shared_ptr<ElementImporter> ElementPtr;
typedef std::list<ElementPtr> ElementList;
/** ElementImportHandler constructor
* The constructor should find everything from the XML Tree it can handle
* and create respective Elements stored in elements.
*
* @param source XML tree to be parsed
* @see elements
*/
ElementImportHandler (XMLTree const & source, ARDOUR::Session & session) :
source (source), session (session) { }
virtual ~ElementImportHandler ();
/** Gets a textual representation of the element type
* @return textual representation of element type
*/
virtual std::string get_info () const = 0;
/// Elements this handler handles
ElementList elements;
/* For checking duplicates names against queued elements */
/** Checks whether or not an element with some name is queued or not
* @param name name to check
* @return true if name is not used
*/
bool check_name (const std::string & name) const;
/// Adds name to the list of used names
void add_name (std::string name);
/// Removes name from the list of used names
void remove_name (const std::string & name);
/// Checks wheter or not all elements can be imported cleanly
static bool dirty () { return _dirty; }
/// Sets handler dirty
static void set_dirty () { _dirty = true; }
/// Checks wheter or not all elements were imported cleanly
static bool errors () { return _errors; }
/// Sets handler dirty
static void set_errors () { _errors = true; }
protected:
/// Source session XML tree
XMLTree const & source;
/// Destination session
ARDOUR::Session & session;
/// Session XML readability
static bool _dirty;
/// Errors post initialization
static bool _errors;
private:
/// Set of names for duplicate checking
std::set<std::string> names;
};
} // namespace ARDOUR
#endif
|
