openswmm_initial_quality_impl.cpp File Reference

C API implementation — [INITIAL_QUALITY] per-element rows (E-A4). More...

#include "openswmm_api_common.hpp"
#include "../transport/MsxInitialQuality.hpp"
#include "../../../include/openswmm/engine/openswmm_initial_quality.h"
#include <cstring>
#include <string>

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Functions
SWMM_ENGINE_API int	swmm_init_quality_count (SWMM_Engine engine)
	Number of [INITIAL_QUALITY] entries.
SWMM_ENGINE_API int	swmm_init_quality_get (SWMM_Engine engine, int entry_idx, int *is_link, int *elem_idx, char *constituent_buf, int constituent_len, double *value)
	Read one entry.
SWMM_ENGINE_API int	swmm_init_quality_set (SWMM_Engine engine, int is_link, int elem_idx, const char *constituent, double value)
	Upsert one entry keyed on (is_link, elem_idx, constituent).
SWMM_ENGINE_API int	swmm_init_quality_remove (SWMM_Engine engine, int entry_idx)
	Remove the entry at entry_idx. Subsequent entries shift down by one — callers holding cached indices must re-enumerate.
SWMM_ENGINE_API int	swmm_init_quality_file_get (SWMM_Engine engine, char *buf, int buflen)
	The FILE path as written ("" when none).
SWMM_ENGINE_API int	swmm_init_quality_file_set (SWMM_Engine engine, const char *path)
	Set (or clear with "" / NULL) the FILE reference.
SWMM_ENGINE_API int	swmm_init_quality_is_file (SWMM_Engine engine, int entry_idx)
	1 when row entry_idx was loaded from the FILE sidecar, else 0.

Detailed Description

C API implementation — [INITIAL_QUALITY] per-element rows (E-A4).

See also

include/openswmm/engine/openswmm_initial_quality.h

Author

Caleb Buahin caleb.nosp@m..bua.nosp@m.hin@g.nosp@m.mail.nosp@m..com

Copyright

Copyright (c) 2026 Caleb Buahin. All rights reserved.

License\n Apache-2.0

Function Documentation

swmm_init_quality_count()

SWMM_ENGINE_API int swmm_init_quality_count

(

SWMM_Engine

engine

)

Number of [INITIAL_QUALITY] entries.

Parameters

engine

Engine handle.

Returns

Entry count, or -1 on a bad handle.

swmm_init_quality_file_get()

SWMM_ENGINE_API int swmm_init_quality_file_get	(	SWMM_Engine	engine,
		char *	buf,
		int	buflen )

The FILE path as written ("" when none).

swmm_init_quality_file_set()

SWMM_ENGINE_API int swmm_init_quality_file_set	(	SWMM_Engine	engine,
		const char *	path )

Set (or clear with "" / NULL) the FILE reference.

swmm_init_quality_get()

SWMM_ENGINE_API int swmm_init_quality_get	(	SWMM_Engine	engine,
		int	entry_idx,
		int *	is_link,
		int *	elem_idx,
		char *	constituent_buf,
		int	constituent_len,
		double *	value )

Read one entry.

Parameters

engine	Engine handle.
entry_idx	Entry index (0..count-1).
is_link	[out] 0 = node row, 1 = link row.
elem_idx	[out] Resolved node/link index (-1 if unresolved).
constituent_buf	[out] Constituent name (NUL-terminated).
constituent_len	Buffer size in bytes.
value	[out] Raw value (pollutant units / hours / degC).

Returns

SWMM_OK, SWMM_ERR_BADINDEX, or SWMM_ERR_BADPARAM.

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swmm_init_quality_is_file()

SWMM_ENGINE_API int swmm_init_quality_is_file	(	SWMM_Engine	engine,
		int	entry_idx )

1 when row entry_idx was loaded from the FILE sidecar, else 0.

swmm_init_quality_remove()

SWMM_ENGINE_API int swmm_init_quality_remove	(	SWMM_Engine	engine,
		int	entry_idx )

Remove the entry at entry_idx. Subsequent entries shift down by one — callers holding cached indices must re-enumerate.

BUILDING/OPENED only.

Returns

SWMM_OK, SWMM_ERR_LIFECYCLE, or SWMM_ERR_BADINDEX.

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swmm_init_quality_set()

SWMM_ENGINE_API int swmm_init_quality_set	(	SWMM_Engine	engine,
		int	is_link,
		int	elem_idx,
		const char *	constituent,
		double	value )

Upsert one entry keyed on (is_link, elem_idx, constituent).

BUILDING/OPENED only. Unknown constituent name, bad element index, or a negative pollutant value returns SWMM_ERR_BADPARAM. (Negative values are legal for "__WATER_AGE__" and "__TEMPERATURE__".)

Parameters

engine	Engine handle.
is_link	0 = node row, 1 = link row.
elem_idx	Node/link index.
constituent	Pollutant name or reserved species name.
value	Raw value (pollutant units / hours / degC).

Returns

SWMM_OK, SWMM_ERR_LIFECYCLE, SWMM_ERR_BADINDEX, or SWMM_ERR_BADPARAM.

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