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67 lines
1.7 KiB
67 lines
1.7 KiB
// --------------------------------------------------------------------------- |
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// Name: actIParam.h |
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// Product: cv act library |
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// Purpose: Declares act::IParam interface. |
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// |
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// Copyright: (c) 2006 cv cryptovision GmbH |
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// all rights reserved. |
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// Licence: The conditions for the use of this software are regulated |
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// in the cv act library licence agreement. |
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// |
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// Autor: Markus Tesche (MTE) |
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// Date: 3/1/2006 |
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// --------------------------------------------------------------------------- |
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#ifndef ACT_IParam_h |
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#define ACT_IParam_h |
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#include "actBasics.h" |
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namespace act |
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{ |
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class Blob; |
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enum |
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{ |
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PARAM_ANY = -3, |
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PARAM_UNKNOWN_SIZE = -2, |
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PARAM_INVALID_VALUE = -1, |
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PARAM_FALSE = 0, |
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PARAM_TRUE = 1 |
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}; |
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static inline int param_bool(bool value) |
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{ |
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return value == true ? PARAM_TRUE : PARAM_FALSE; |
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} |
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// |
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// IParam |
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class IParam |
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{ |
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public: |
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virtual ~IParam() { } |
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virtual void SetParam(paramid_t id, int value) = 0; |
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virtual void SetParam(paramid_t id, const char* value) = 0; |
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virtual void SetParam(paramid_t id, const Blob& value) = 0; |
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// |
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// Get value for id, otherwise PARAM_INVALID_VALUE. |
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// NOTE: May throws an act::Exception derived exception. |
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virtual int GetParam(paramid_t id) const = 0; |
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// |
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// Get value for id, returns size[PARAM_UNKNOWN_SIZE|0-n] or PARAM_INVALID_VALUE. |
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// NOTE: May throws an act::Exception derived exception. |
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virtual size_t GetParam(paramid_t id, const char** value) const = 0; |
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// |
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// Get value for id, returns size[PARAM_UNKNOWN_SIZE|0-n] or PARAM_INVALID_VALUE. |
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// NOTE: May throws an act::Exception derived exception. |
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virtual size_t GetParam(paramid_t id, Blob& value) const = 0; |
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}; |
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} // namespace act |
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#endif // ACT_IParam_h
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