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 #pragma once
31 
32 #include <stdint.h>
33 #include <vector>
34 
35 #include "InstanceConfigurableElement.h"
36 
37 class CParameterAccessContext;
38 class CConfigurationAccessContext;
39 
40 class CBaseParameter : public CInstanceConfigurableElement
41 {
42 public:
43     CBaseParameter(const std::string& strName, const CTypeElement* pTypeElement);
44 
45     // XML configuration settings parsing/composing
46     virtual bool serializeXmlSettings(CXmlElement& xmlConfigurationSettingsElementContent, CConfigurationAccessContext& configurationAccessContext) const;
47 
48     // Check element is a parameter
49     virtual bool isParameter() const;
50 
51     /// Value access
52     // Boolean access
53     virtual bool accessAsBoolean(bool& bValue, bool bSet, CParameterAccessContext& parameterAccessContext) const;
54     virtual bool accessAsBooleanArray(std::vector<bool>& abValues, bool bSet, CParameterAccessContext& parameterAccessContext) const;
55 
56     // Integer Access
57     virtual bool accessAsInteger(uint32_t& uiValue, bool bSet, CParameterAccessContext& parameterAccessContext) const;
58     virtual bool accessAsIntegerArray(std::vector<uint32_t>& auiValues, bool bSet, CParameterAccessContext& parameterAccessContext) const;
59 
60     // Signed Integer Access
61     virtual bool accessAsSignedInteger(int32_t& iValue, bool bSet, CParameterAccessContext& parameterAccessContext) const;
62     virtual bool accessAsSignedIntegerArray(std::vector<int32_t>& aiValues, bool bSet, CParameterAccessContext& parameterAccessContext) const;
63 
64     // Double Access
65     virtual bool accessAsDouble(double& dValue, bool bSet, CParameterAccessContext& parameterAccessContext) const;
66     virtual bool accessAsDoubleArray(std::vector<double>& adValues, bool bSet, CParameterAccessContext& parameterAccessContext) const;
67 
68     // String Access
69     bool accessAsString(std::string& strValue, bool bSet, CParameterAccessContext& parameterAccessContext) const;
70     virtual bool accessAsStringArray(std::vector<std::string>& astrValues, bool bSet, CParameterAccessContext& parameterAccessContext) const;
71 
72     // From IXmlSource
73     virtual void toXml(CXmlElement& xmlElement, CXmlSerializingContext& serializingContext) const;
74 
75 protected:
76     // Parameter Access
77     virtual bool accessValue(CPathNavigator& pathNavigator, std::string& strValue, bool bSet, CParameterAccessContext& parameterAccessContext) const;
78     virtual void logValue(std::string& strValue, CErrorContext& errorContext) const;
79 
80     // Actual value access (to be implemented by derived)
81     virtual bool doSetValue(const std::string& strValue, uint32_t uiOffset, CParameterAccessContext& parameterAccessContext) const = 0;
82     virtual void doGetValue(std::string& strValue, uint32_t uiOffset, CParameterAccessContext& parameterAccessContext) const = 0;
83 
84     /**
85      * Append the parameter path to the error.
86      *
87      * @param[in:out] parameterAccessContext Parameter Access Context object.
88      */
89     void appendParameterPathToError(CParameterAccessContext& parameterAccessContext) const;
90 };
91