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Chunk feature access #912

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Chunk feature access #912

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87c176b
chunkparser: allow to set string and integer features
EmmanuelP Jul 12, 2024
04d2fb6
Merge branch 'aravis-0-8' into wip/chunk-feature-access
EmmanuelP Nov 5, 2024
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58 changes: 58 additions & 0 deletions src/arvchunkparser.c
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Original file line number Diff line number Diff line change
Expand Up @@ -228,6 +228,64 @@ arv_chunk_parser_get_float_value (ArvChunkParser *parser, ArvBuffer *buffer, con
return value;
}

static ArvGcNode *
arv_chunk_parser_get_feature (ArvChunkParser *parser, const char *feature)
{
g_return_val_if_fail (ARV_IS_CHUNK_PARSER(parser), NULL);
g_return_val_if_fail (parser->priv->genicam, NULL);

return arv_gc_get_node (parser->priv->genicam, feature);
}

static void *
_get_feature (ArvChunkParser *parser, GType node_type, const char *feature, GError **error)
{
void *node;

g_return_val_if_fail (ARV_IS_CHUNK_PARSER (parser), NULL);
g_return_val_if_fail (feature != NULL, NULL);

node = arv_chunk_parser_get_feature (parser, feature);

if (node == NULL) {
g_set_error (error, ARV_CHUNK_PARSER_ERROR, ARV_CHUNK_PARSER_ERROR_FEATURE_NOT_FOUND,
"[%s] Not found", feature);
return NULL;
}

if (!(G_TYPE_CHECK_INSTANCE_TYPE ((node), node_type))) {
g_set_error (error, ARV_CHUNK_PARSER_ERROR, ARV_CHUNK_PARSER_ERROR_INVALID_FEATURE_TYPE,
"[%s:%s] Not a %s", feature, G_OBJECT_TYPE_NAME (node), g_type_name (node_type));
return NULL;
}

return node;
}

void
arv_chunk_parser_set_string_feature_value (ArvChunkParser *parser,
const char *feature, const char *value,
GError **error)
{
ArvGcNode *node;

node = _get_feature (parser, ARV_TYPE_GC_STRING, feature, error);
if (node != NULL)
arv_gc_string_set_value (ARV_GC_STRING (node), value, error);
}

void
arv_chunk_parser_set_integer_feature_value (ArvChunkParser *parser,
const char *feature, gint64 value,
GError **error)
{
ArvGcNode *node;

node = _get_feature (parser, ARV_TYPE_GC_INTEGER, feature, error);
if (node != NULL)
arv_gc_integer_set_value (ARV_GC_INTEGER (node), value, error);
}

/**
* arv_chunk_parser_new:
* @xml: XML genicam data
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10 changes: 9 additions & 1 deletion src/arvchunkparser.h
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,8 @@ ARV_API GQuark arv_chunk_parser_error_quark (void);
typedef enum {
ARV_CHUNK_PARSER_ERROR_INVALID_FEATURE_TYPE,
ARV_CHUNK_PARSER_ERROR_BUFFER_NOT_FOUND,
ARV_CHUNK_PARSER_ERROR_CHUNK_NOT_FOUND
ARV_CHUNK_PARSER_ERROR_CHUNK_NOT_FOUND,
ARV_CHUNK_PARSER_ERROR_FEATURE_NOT_FOUND
} ArvChunkParserError;

#define ARV_TYPE_CHUNK_PARSER (arv_chunk_parser_get_type ())
Expand All @@ -63,6 +64,13 @@ ARV_API gint64 arv_chunk_parser_get_integer_value (ArvChunkParser *parser, Arv
ARV_API double arv_chunk_parser_get_float_value (ArvChunkParser *parser, ArvBuffer *buffer,
const char *chunk, GError **error);

ARV_API void arv_chunk_parser_set_string_feature_value (ArvChunkParser *parser,
const char *feature, const char *value,
GError **error);
ARV_API void arv_chunk_parser_set_integer_feature_value (ArvChunkParser *parser,
const char *feature, gint64 value,
GError **error);

G_END_DECLS

#endif
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