/usr/include/gwenhywfar4/gwenhywfar/param_fns.h is in libgwenhywfar-core-dev 4.20.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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begin : Wed Sep 17 2014
copyright : (C) 2014 by Martin Preuss
email : martin@libchipcard.de
***************************************************************************
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
* MA 02111-1307 USA *
* *
***************************************************************************/
#ifndef GWENHYWFAR_PARAM_FNS_H
#define GWENHYWFAR_PARAM_FNS_H
/**
* Returns the current value of the given param converted to integer.
* @return current value as integer
* @param param parameter to read the value from
*/
GWENHYWFAR_API int GWEN_Param_GetCurrentValueAsInt(const GWEN_PARAM *param);
/**
* Changes the current value of the given param (converted from integer).
* The given value is converted to char and stored.
* @param param parameter to change
* @param v value to set
*/
GWENHYWFAR_API void GWEN_Param_SetCurrentValueAsInt(GWEN_PARAM *param, int v);
/**
* Returns the current value of the given param converted to floating point.
* @return current value as floating point
* @param param parameter to read the value from
*/
GWENHYWFAR_API double GWEN_Param_GetCurrentValueAsDouble(const GWEN_PARAM *param);
/**
* Changes the current value of the given param (converted from floating point).
* The given value is converted to char and stored.
* @param param parameter to change
* @param v value to set
*/
GWENHYWFAR_API void GWEN_Param_SetCurrentValueAsDouble(GWEN_PARAM *param, double v);
/**
* Find param with the given name and return its current value. If there is no value (or no
* valid value) then a default value is returned.
* This is for integer values.
* @return value
* @param pl list of parameters
* @param name name of the parameter
* @param defVal default value (returned if param has no value or no valid value).
*
*/
GWENHYWFAR_API int GWEN_Param_List_GetCurrentValueAsInt(const GWEN_PARAM_LIST *pl, const char *name, int defVal);
/**
* Find param with the given name and change its current value. If there is no param of that name is
* found this function does nothing.
* This is for integer values.
* @return value
* @param pl list of parameters
* @param name name of the parameter
* @param v value to set.
*
*/
GWENHYWFAR_API void GWEN_Param_List_SetCurrentValueAsInt(GWEN_PARAM_LIST *pl, const char *name, int v);
/**
* Find param with the given name and return its current value. If there is no value (or no
* valid value) then a default value is returned.
* This is for floating point values.
* @return value
* @param pl list of parameters
* @param name name of the parameter
* @param defVal default value (returned if param has no value or no valid value).
*
*/
GWENHYWFAR_API double GWEN_Param_List_GetCurrentValueAsDouble(const GWEN_PARAM_LIST *pl, const char *name, double defVal);
/**
* Find param with the given name and change its current value. If there is no param of that name is
* found this function does nothing.
* This is for floating point values.
* @return value
* @param pl list of parameters
* @param name name of the parameter
* @param v value to set.
*
*/
GWENHYWFAR_API void GWEN_Param_List_SetCurrentValueAsDouble(GWEN_PARAM_LIST *pl, const char *name, double v);
/**
* Write the list of parameters to XML.
* @param pl list of parameters to write
* @param xn XML node to store the parameters
*/
GWENHYWFAR_API void GWEN_Param_List_WriteXml(const GWEN_PARAM_LIST *pl, GWEN_XMLNODE *xn);
/**
* Read a list of parameters from XML.
* @param pl list to store parameters read
* @param xn XML node to read the parameters from
*/
GWENHYWFAR_API void GWEN_Param_List_ReadXml(GWEN_PARAM_LIST *pl, GWEN_XMLNODE *xn);
/**
* Write the current values of a list of parameters to XML.
*
* For every member of the given list an XML node "param" is created below the given XML node
* which only contains the attribute "name" (parameter name) and the param's "currentValue" (the current value)
* as data node.
* Example:
* @code
* <param name="var1">data1</param>
* <param name="var2">data2</param>
* @endcode
*
* @param pl list of parameters to write
* @param xn XML node to store the parameters
*/
GWENHYWFAR_API void GWEN_Param_List_WriteValuesToXml(const GWEN_PARAM_LIST *pl, GWEN_XMLNODE *xn);
/**
* Read the current values for a list of parameters from XML.
*
* The XML tree is expected to have been created by @ref GWEN_Param_List_WriteValuesToXml.
* Every "param" node below the given XML node is expected to have an attribute "name" with the name of
* the param and a data node which holds the current value to set.
* Entries for non-existing params are ignored.
* @param pl list of parameters to read values for
* @param xn XML node to read values for the parameters
*/
GWENHYWFAR_API void GWEN_Param_List_ReadValuesFromXml(GWEN_PARAM_LIST *pl, GWEN_XMLNODE *xn);
#endif
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