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GOData

GOData

Synopsis

                    GOData;
                    GODataClass;

GOData *            go_data_dup                         (GOData const *src);
gboolean            go_data_eq                          (GOData const *a,
                                                         GOData const *b);
GOFormat *          go_data_preferred_fmt               (GOData const *dat);
GODateConventions const * go_data_date_conv             (GOData const *dat);
char *              go_data_serialize                   (GOData const *dat,
                                                         gpointer user);
gboolean            go_data_unserialize                 (GOData *dat,
                                                         char const *str,
                                                         gpointer user);
void                go_data_emit_changed                (GOData *dat);
double *            go_data_get_values                  (GOData *data);
void                go_data_get_bounds                  (GOData *data,
                                                         double *minimum,
                                                         double *maximum);
gboolean            go_data_is_increasing               (GOData *data);
gboolean            go_data_is_decreasing               (GOData *data);
gboolean            go_data_is_varying_uniformly        (GOData *data);
unsigned int        go_data_get_n_dimensions            (GOData *data);
unsigned int        go_data_get_n_values                (GOData *data);
unsigned int        go_data_get_vector_size             (GOData *data);
void                go_data_get_matrix_size             (GOData *data,
                                                         unsigned int *n_rows,
                                                         unsigned int *n_columns);
double              go_data_get_scalar_value            (GOData *data);
double              go_data_get_vector_value            (GOData *data,
                                                         unsigned int column);
double              go_data_get_matrix_value            (GOData *data,
                                                         unsigned int row,
                                                         unsigned int column);
char *              go_data_get_scalar_string           (GOData *data);
char *              go_data_get_vector_string           (GOData *data,
                                                         unsigned int column);
char *              go_data_get_matrix_string           (GOData *data,
                                                         unsigned int row,
                                                         unsigned int column);

Object Hierarchy

  GObject
   +----GOData
         +----GODataMatrix
         +----GODataScalar
         +----GODataVector

Signals

  "changed"                                        : Run Last

Description

Details

GOData

typedef struct _GOData GOData;


GODataClass

typedef struct {
	GObjectClass base;

	GOData * (*dup)	    		(GOData const *src);
	gboolean 	(*eq)	    		(GOData const *a, GOData const *b);
	GOFormat * (*preferred_fmt) 	(GOData const *dat);
	GODateConventions const *(*date_conv) 	(GOData const *dat);

	char *		(*serialize)	    	(GOData const *dat, gpointer user);
	gboolean   	(*unserialize)	    	(GOData *dat, char const *str, gpointer user);
	void	   	(*emit_changed)  	(GOData *dat);

	unsigned int (*get_n_dimensions) (GOData *data);
	void		(*get_sizes)		(GOData *data, unsigned int *sizes);
	double * (*get_values)		(GOData *data);
	void		(*get_bounds)		(GOData *data, double *minimum, double *maximum);
	double		(*get_value)		(GOData *data, unsigned int *coordinates);
	char *		(*get_string)		(GOData *data, unsigned int *coordinates);

	/* signals */
	void (*changed) (GOData *dat);
} GODataClass;


go_data_dup ()

GOData *            go_data_dup                         (GOData const *src);

src :

GOData

Returns :

A deep copy of src.

go_data_eq ()

gboolean            go_data_eq                          (GOData const *a,
                                                         GOData const *b);

a :

GOData

b :

GOData

Returns :

TRUE if a and b are the same

go_data_preferred_fmt ()

GOFormat *          go_data_preferred_fmt               (GOData const *dat);

Caller is responsible for unrefing the result.

dat :

GOData

Returns :

the fmt preferred by the the data

go_data_date_conv ()

GODateConventions const * go_data_date_conv             (GOData const *dat);

dat :

GOData

Returns :

the date conventions used by the data, or NULL if not determined.

go_data_serialize ()

char *              go_data_serialize                   (GOData const *dat,
                                                         gpointer user);

NOTE : This is the _source_ not the content. (I.e., this refers to the expression, not its current value.)

dat :

GOData

user :

a gpointer describing the context.

Returns :

a string representation of the data source that the caller is responsible for freeing

go_data_unserialize ()

gboolean            go_data_unserialize                 (GOData *dat,
                                                         char const *str,
                                                         gpointer user);

De-serializes the source information returned from go_data_serialize.

dat :

GOData

str :

string to parse

user :

a gpointer describing the context.

Returns :

FALSE on error.

go_data_emit_changed ()

void                go_data_emit_changed                (GOData *dat);

protected utility to emit a 'changed' signal

dat :

GOData

go_data_get_values ()

double *            go_data_get_values                  (GOData *data);

data :

Returns :


go_data_get_bounds ()

void                go_data_get_bounds                  (GOData *data,
                                                         double *minimum,
                                                         double *maximum);

data :

minimum :

maximum :


go_data_is_increasing ()

gboolean            go_data_is_increasing               (GOData *data);

data :

Returns :


go_data_is_decreasing ()

gboolean            go_data_is_decreasing               (GOData *data);

data :

Returns :


go_data_is_varying_uniformly ()

gboolean            go_data_is_varying_uniformly        (GOData *data);

data :

Returns :


go_data_get_n_dimensions ()

unsigned int        go_data_get_n_dimensions            (GOData *data);

data :

Returns :


go_data_get_n_values ()

unsigned int        go_data_get_n_values                (GOData *data);

data :

Returns :


go_data_get_vector_size ()

unsigned int        go_data_get_vector_size             (GOData *data);

data :

Returns :


go_data_get_matrix_size ()

void                go_data_get_matrix_size             (GOData *data,
                                                         unsigned int *n_rows,
                                                         unsigned int *n_columns);

data :

n_rows :

n_columns :


go_data_get_scalar_value ()

double              go_data_get_scalar_value            (GOData *data);

data :

Returns :


go_data_get_vector_value ()

double              go_data_get_vector_value            (GOData *data,
                                                         unsigned int column);

data :

column :

Returns :


go_data_get_matrix_value ()

double              go_data_get_matrix_value            (GOData *data,
                                                         unsigned int row,
                                                         unsigned int column);

data :

row :

column :

Returns :


go_data_get_scalar_string ()

char *              go_data_get_scalar_string           (GOData *data);

data :

Returns :


go_data_get_vector_string ()

char *              go_data_get_vector_string           (GOData *data,
                                                         unsigned int column);

data :

column :

Returns :


go_data_get_matrix_string ()

char *              go_data_get_matrix_string           (GOData *data,
                                                         unsigned int row,
                                                         unsigned int column);

data :

row :

column :

Returns :

Signal Details

The "changed" signal

void                user_function                      (GOData  *godata,
                                                        gpointer user_data)      : Run Last

godata :

the object which received the signal.

user_data :

user data set when the signal handler was connected.
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