IWORKPropertyContext.h
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1 /* -*- Mode: Context++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /*
3  * This file is part of the libetonyek project.
4  *
5  * This Source Code Form is subject to the terms of the Mozilla Public
6  * License, v. 2.0. If a copy of the MPL was not distributed with this
7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8  */
9 
10 #ifndef IWORKPROPERTYCONTEXT_H_INCLUDED
11 #define IWORKPROPERTYCONTEXT_H_INCLUDED
12 
13 #include <boost/optional.hpp>
14 
16 #include "IWORKPropertyInfo.h"
17 #include "IWORKToken.h"
18 
19 namespace libetonyek
20 {
21 
22 template<typename Property, typename Context, int TokenId, int TokenId2=0>
24 {
25 public:
27 
28 private:
29  IWORKXMLContextPtr_t element(int name) override;
30  void endOfElement() override;
31 
32 private:
33  boost::optional<typename IWORKPropertyInfo<Property>::ValueType> m_value;
34 };
35 
36 template<typename Property, typename Context, int TokenId, int TokenId2>
38  : IWORKPropertyContextBase(state, propMap)
39  , m_value()
40 {
41 }
42 
43 template<typename Property, typename Context, int TokenId, int TokenId2>
45 {
46  m_default = false;
47  if (TokenId == name || (TokenId2 != 0 && TokenId2 == name))
48  return std::make_shared<Context>(getState(), m_value);
49  else if (name != (IWORKToken::NS_URI_SF | IWORKToken::null))
50  {
51  ETONYEK_DEBUG_MSG(("IWORKPropertyContext<...>::element: found unexpected element %d\n", name));
52  }
53  return IWORKXMLContextPtr_t();
54 }
55 
56 template<typename Property, typename Context, int TokenId, int TokenId2>
58 {
59  if (bool(m_value))
60  m_propMap.put<Property>(get(m_value));
61  else if (m_default)
62  m_propMap.clear<Property>();
63 }
64 
65 }
66 
67 #endif // IWORKPROPERTYCONTEXT_H_INCLUDED
68 
69 /* vim:set shiftwidth=2 softtabstop=2 expandtab: */
#define ETONYEK_DEBUG_MSG(M)
Definition: libetonyek_utils.h:54
std::shared_ptr< IWORKXMLContext > IWORKXMLContextPtr_t
Definition: IWORKXMLContext.h:18
Definition: IWORKToken.h:335
Represents a (hierarchical) property map.
Definition: IWORKPropertyMap.h:24
void clear()
Clear property.
Definition: IWORKPropertyMap.h:145
IWORKPropertyMap & m_propMap
Definition: IWORKPropertyMapElement.cpp:756
Definition: IWORKToken.h:696
Definition: IWORKPropertyContextBase.h:20
const char * name
Definition: IWORKToken.cpp:43
Definition: IWORKXMLParserState.h:31
void endOfElement() override
Definition: IWORKPropertyContext.h:57
IWORKXMLContextPtr_t element(int name) override
Definition: IWORKPropertyContext.h:44
boost::optional< IWORKGradient > & m_value
Definition: IWORKFillElement.cpp:131
boost::optional< typename IWORKPropertyInfo< Property >::ValueType > m_value
Definition: IWORKPropertyContext.h:33
void put(const typename IWORKPropertyInfo< Property >::ValueType &value)
Insert a new value for key key.
Definition: IWORKPropertyMap.h:134
IWORKPropertyContext(IWORKXMLParserState &state, IWORKPropertyMap &propMap)
Definition: IWORKPropertyContext.h:37
Definition: IWORKPropertyContext.h:23

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