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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#if defined BUILDING_AI
#include "System/Util.h"
#else // defined BUILDING_AI
#include "System/Log/ILog.h"
#endif // defined BUILDING_AI
// OS dependent stuff
#ifdef _WIN32
#include "Win/DllLib.h"
#define SL_IMPL_CLS DllLib
#define SL_IMPL_EXT "dll"
#else // _WIN32
#include "Linux/SoLib.h"
#define SL_IMPL_CLS SoLib
#if defined __APPLE__
#define SL_IMPL_EXT "dylib"
#else // defined __APPLE__
#define SL_IMPL_EXT "so"
#endif // defined __APPLE__
#endif // _WIN32
/**
* Used to create a platform-specific shared library handler.
*/
SharedLib* SharedLib::Instantiate(const char* fileName)
{
SharedLib* lib = NULL;
lib = new SL_IMPL_CLS(fileName);
if (lib == NULL || lib->LoadFailed()) {
// loading failed
delete lib;
lib = NULL;
}
return lib;
}
/**
* Used to create a platform-specific shared library handler.
*/
SharedLib* SharedLib::Instantiate(const std::string& fileName)
{
return Instantiate(fileName.c_str());
}
const char* SharedLib::GetLibExtension()
{
return SL_IMPL_EXT;
}
void SharedLib::reportError(const char* errorMsg, const char* fileName, int lineNumber, const char* function) {
#if defined BUILDING_AI
// when used by an AI Interface eg, we define a macro, eg. this:
// EXTERNAL_LOGGER(msg) printf(msg);
// so we can log SharedLib errors/failures in our AI if we want so.
// see the C AI Interface for an example
// Note: the msg passed to the macro is of type: const char*
#if defined EXTERNAL_LOGGER
const int MAX_MSG_LENGTH = 511;
char s_msg[MAX_MSG_LENGTH + 1];
SNPRINTF(s_msg, MAX_MSG_LENGTH, "%s:%d: %s: %s", fileName, lineNumber, function, errorMsg);
EXTERNAL_LOGGER(s_msg)
#else // defined EXTERNAL_LOGGER
// DO NOTHING
#endif // defined EXTERNAL_LOGGER
#else // defined BUILDING_AI
LOG_L(L_ERROR, "%s:%d: %s: %s", fileName, lineNumber, function, errorMsg);
#endif // defined BUILDING_AI
}
SharedLib::~SharedLib() {
// subclasses will call Unload in their destructors.
}
#undef SL_IMPL_CLS
#undef SL_IMPL_EXT
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