| 1 | #ifndef ATTRIBUTE_H |
| 2 | #define ATTRIBUTE_H |
| 3 | |
| 4 | #include <glib-object.h> |
| 5 | #include <lttv/iattribute.h> |
| 6 | |
| 7 | #define LTTV_ATTRIBUTE_TYPE (lttv_attribute_get_type ()) |
| 8 | #define LTTV_ATTRIBUTE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), LTTV_ATTRIBUTE_TYPE, LttvAttribute)) |
| 9 | #define LTTV_ATTRIBUTE_CLASS(vtable) (G_TYPE_CHECK_CLASS_CAST ((vtable), LTTV_ATTRIBUTE_TYPE, LttvAttributeClass)) |
| 10 | #define LTTV_IS_ATTRIBUTE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), LTTV_ATTRIBUTE_TYPE)) |
| 11 | #define LTTV_IS_ATTRIBUTE_CLASS(vtable) (G_TYPE_CHECK_CLASS_TYPE ((vtable), LTTV_ATTRIBUTE_TYPE)) |
| 12 | #define LTTV_ATTRIBUTE_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), LTTV_ATTRIBUTE_TYPE, LttvAttributeClass)) |
| 13 | |
| 14 | |
| 15 | typedef struct _LttvAttribute LttvAttribute; |
| 16 | typedef struct _LttvAttributeClass LttvAttributeClass; |
| 17 | |
| 18 | struct _LttvAttribute { |
| 19 | GObject parent; |
| 20 | |
| 21 | /* private members */ |
| 22 | GHashTable *names; |
| 23 | GArray *attributes; |
| 24 | }; |
| 25 | |
| 26 | struct _LttvAttributeClass { |
| 27 | GObjectClass parent; |
| 28 | }; |
| 29 | |
| 30 | GType lttv_attribute_get_type (void); |
| 31 | |
| 32 | |
| 33 | /* The functions exported in the IAttribute interface are also available |
| 34 | directly. */ |
| 35 | |
| 36 | |
| 37 | /* Total number of attributes */ |
| 38 | |
| 39 | unsigned int lttv_attribute_get_number(LttvAttribute *self); |
| 40 | |
| 41 | |
| 42 | /* Container type. Named (fields in struct or elements in a hash table) |
| 43 | or unnamed (elements in an array) attributes, homogeneous type or not. */ |
| 44 | |
| 45 | gboolean lttv_attribute_named(LttvAttribute *self, gboolean *homogeneous); |
| 46 | |
| 47 | |
| 48 | /* Get the i th attribute along with its type and a pointer to its value. */ |
| 49 | |
| 50 | LttvAttributeType lttv_attribute_get(LttvAttribute *self, unsigned i, |
| 51 | LttvAttributeName *name, LttvAttributeValue *v); |
| 52 | |
| 53 | |
| 54 | /* Get the named attribute in the table along with its type and a pointer to |
| 55 | its value. If the named attribute does not exist, the type is LTTV_NONE. */ |
| 56 | |
| 57 | LttvAttributeType lttv_attribute_get_by_name(LttvAttribute *self, |
| 58 | LttvAttributeName name, LttvAttributeValue *v); |
| 59 | |
| 60 | |
| 61 | /* Add an attribute, which must not exist. The name is an empty string for |
| 62 | containers with unnamed attributes. */ |
| 63 | |
| 64 | LttvAttributeValue lttv_attribute_add(LttvAttribute *self, |
| 65 | LttvAttributeName name, LttvAttributeType t); |
| 66 | |
| 67 | |
| 68 | /* Remove an attribute */ |
| 69 | |
| 70 | void lttv_attribute_remove(LttvAttribute *self, unsigned i); |
| 71 | |
| 72 | void lttv_attribute_remove_by_name(LttvAttribute *self, |
| 73 | LttvAttributeName name); |
| 74 | |
| 75 | |
| 76 | /* Create an empty iattribute object and add it as an attribute under the |
| 77 | specified name, or return an existing iattribute attribute. If an |
| 78 | attribute of that name already exists but is not a GObject supporting the |
| 79 | iattribute interface, return NULL. */ |
| 80 | |
| 81 | LttvIAttribute* lttv_attribute_create_subdir(LttvAttribute *self, |
| 82 | LttvAttributeName name); |
| 83 | |
| 84 | gboolean lttv_attribute_find(LttvAttribute *self, LttvAttributeName name, |
| 85 | LttvAttributeType t, LttvAttributeValue *v); |
| 86 | |
| 87 | |
| 88 | #endif // ATTRIBUTE_H |