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Merge pull request #2650 from akohlmey/plugin-loader

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New PLUGIN package with a LAMMPS plugin loader command
This commit is contained in:
Axel Kohlmeyer
2021-04-02 15:08:44 -04:00
committed by GitHub
parent 21c934d2cd 024a9600b1
commit e613da98d6
60 changed files with 3797 additions and 38 deletions
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64
src/library.cpp
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@ -40,6 +40,9 @@
#include "region.h"
#include "respa.h"
#include "output.h"
#if defined(LMP_PLUGIN)
#include "plugin.h"
#endif
#include "thermo.h"
#include "timer.h"
#include "universe.h"
@ -981,7 +984,7 @@ to then decide how to cast the (void*) pointer and access the data.
\endverbatim
*
* \param handle pointer to a previously created LAMMPS instance
* \param handle pointer to a previously created LAMMPS instance (unused)
* \param name string with the name of the extracted property
* \return integer constant encoding the data type of the property
* or -1 if not found. */
@ -4595,6 +4598,65 @@ int lammps_id_name(void *handle, const char *category, int idx,
return 0;
}
/* ---------------------------------------------------------------------- */
/** Count the number of loaded plugins
*
\verbatim embed:rst
This function counts how many plugins are currently loaded.
.. versionadded:: 10Mar2021
\endverbatim
*
* \return number of loaded plugins
*/
int lammps_plugin_count()
{
#if defined(LMP_PLUGIN)
return plugin_get_num_plugins();
#else
return 0;
#endif
}
/* ---------------------------------------------------------------------- */
/** Look up the info of a loaded plugin by its index in the list of plugins
*
\verbatim embed:rst
This function copies the name of the *style* plugin with the index
*idx* into the provided C-style string buffer. The length of the buffer
must be provided as *buf_size* argument. If the name of the style
exceeds the length of the buffer, it will be truncated accordingly.
If the index is out of range, the function returns 0 and *buffer* is
set to an empty string, otherwise 1.
.. versionadded:: 10Mar2021
\endverbatim
*
* \param idx index of the plugin in the list all or *style* plugins
* \param stylebuf string buffer to copy the style of the plugin to
* \param namebuf string buffer to copy the name of the plugin to
* \param buf_size size of the provided string buffers
* \return 1 if successful, otherwise 0
*/
int lammps_plugin_name(int idx, char *stylebuf, char *namebuf, int buf_size)
{
#if defined(LMP_PLUGIN)
stylebuf[0] = namebuf[0] = '\0';
const lammpsplugin_t *plugin = plugin_get_info(idx);
if (plugin) {
strncpy(stylebuf,plugin->style,buf_size);
strncpy(namebuf,plugin->name,buf_size);
return 1;
}
#endif
return 0;
}
// ----------------------------------------------------------------------
// utility functions
// ----------------------------------------------------------------------