openswmm_api_common.hpp

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#ifndef OPENSWMM_API_COMMON_HPP
#define OPENSWMM_API_COMMON_HPP
 
#include "SWMMEngine.hpp"
#include "../../../include/openswmm/engine/openswmm_engine.h"
 
#include <cstring>
#include <algorithm>
 
static inline openswmm::SWMMEngine* to_engine(SWMM_Engine e) noexcept {
    return static_cast<openswmm::SWMMEngine*>(e);
}
 
#define CHECK_HANDLE(e)    do { if (!(e)) return SWMM_ERR_BADHANDLE; } while(0)
#define CHECK_INDEX(cond)  do { if (!(cond)) return SWMM_ERR_BADINDEX; } while(0)
 
// ============================================================================
// Lifecycle state guards
// ============================================================================
 
#define CHECK_GEOMETRY(ctx) \
    do { \
        if ((ctx).state != openswmm::EngineState::BUILDING && \
            (ctx).state != openswmm::EngineState::OPENED) \
            return SWMM_ERR_LIFECYCLE; \
    } while(0)
 
#define CHECK_INITIAL_COND(ctx) \
    do { \
        if ((ctx).state != openswmm::EngineState::BUILDING && \
            (ctx).state != openswmm::EngineState::OPENED && \
            (ctx).state != openswmm::EngineState::INITIALIZED) \
            return SWMM_ERR_LIFECYCLE; \
    } while(0)
 
#define CHECK_RUNNING(ctx) \
    do { \
        if ((ctx).state != openswmm::EngineState::RUNNING) \
            return SWMM_ERR_LIFECYCLE; \
    } while(0)
 
#define CHECK_READABLE(ctx) \
    do { \
        if ((ctx).state == openswmm::EngineState::CREATED || \
            (ctx).state == openswmm::EngineState::CLOSED || \
            (ctx).state == openswmm::EngineState::ERROR_STATE) \
            return SWMM_ERR_LIFECYCLE; \
    } while(0)
 
#endif /* OPENSWMM_API_COMMON_HPP */