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JsonBuilder provides an object for generating a JSON tree. You can generate only one tree with one JsonBuilder instance.
The root of the JSON tree can be either a JsonObject or a JsonArray.
Thus the first call must necessarily be either
json_builder_begin_object() or json_builder_begin_array().
For convenience to language bindings, JsonBuilder returns itself from most of functions, making it easy to chain function calls.
JsonBuilder *
json_builder_new (void);
Creates a new JsonBuilder. You can use this object to generate a JSON tree and obtain the root JsonNode.
JsonBuilder *
json_builder_new_immutable (void);
Creates a new JsonBuilder instance with its “immutable” property
set to TRUE to create immutable output trees.
Since: 1.2
JsonNode *
json_builder_get_root (JsonBuilder *builder);
Returns the root of the current constructed tree, if the build is complete (ie: all opened objects, object members and arrays are being closed).
the JsonNode, or NULL if the build is not complete.
Free the returned value with json_node_unref().
[transfer full]
void
json_builder_reset (JsonBuilder *builder);
Resets the state of the builder
back to its initial state.
JsonBuilder *
json_builder_begin_array (JsonBuilder *builder);
Opens a subarray inside the given builder
. When done adding members to
the subarray, json_builder_end_array() must be called.
Can be called for first or only if the call is associated to an object member or an array element.
JsonBuilder *
json_builder_end_array (JsonBuilder *builder);
Closes the subarray inside the given builder
that was opened by the most
recent call to json_builder_begin_array().
Cannot be called after json_builder_set_member_name().
JsonBuilder *
json_builder_begin_object (JsonBuilder *builder);
Opens a subobject inside the given builder
. When done adding members to
the subobject, json_builder_end_object() must be called.
Can be called for first or only if the call is associated to an object member or an array element.
JsonBuilder * json_builder_set_member_name (JsonBuilder *builder,const gchar *member_name);
Set the name of the next member in an object. The next call must add a value, open an object or an array.
Can be called only if the call is associated to an object.
JsonBuilder *
json_builder_end_object (JsonBuilder *builder);
Closes the subobject inside the given builder
that was opened by the most
recent call to json_builder_begin_object().
Cannot be called after json_builder_set_member_name().
JsonBuilder * json_builder_add_value (JsonBuilder *builder,JsonNode *node);
If called after json_builder_set_member_name(), sets node
as member of the
most recent opened object, otherwise node
is added as element of the most
recent opened array.
The builder will take ownership of the JsonNode.
JsonBuilder * json_builder_add_int_value (JsonBuilder *builder,gint64 value);
If called after json_builder_set_member_name(), sets value
as member of the
most recent opened object, otherwise value
is added as element of the most
recent opened array.
See also: json_builder_add_value()
JsonBuilder * json_builder_add_double_value (JsonBuilder *builder,gdouble value);
If called after json_builder_set_member_name(), sets value
as member of the
most recent opened object, otherwise value
is added as element of the most
recent opened array.
See also: json_builder_add_value()
JsonBuilder * json_builder_add_boolean_value (JsonBuilder *builder,gboolean value);
If called after json_builder_set_member_name(), sets value
as member of the
most recent opened object, otherwise value
is added as element of the most
recent opened array.
See also: json_builder_add_value()
JsonBuilder * json_builder_add_string_value (JsonBuilder *builder,const gchar *value);
If called after json_builder_set_member_name(), sets value
as member of the
most recent opened object, otherwise value
is added as element of the most
recent opened array.
See also: json_builder_add_value()
JsonBuilder *
json_builder_add_null_value (JsonBuilder *builder);
If called after json_builder_set_member_name(), sets null as member of the
most recent opened object, otherwise null is added as element of the most
recent opened array.
See also: json_builder_add_value()
struct JsonBuilder;
The JsonBuilder structure contains only private data and should be
accessed using the provided API
Since: 0.12
struct JsonBuilderClass {
};
The JsonBuilderClass structure contains only private data
Since: 0.12
“immutable” property“immutable” gboolean
Whether the JsonNode tree built by the JsonBuilder should be immutable when created. Making the output immutable on creation avoids the expense of traversing it to make it immutable later.
Flags: Read / Write / Construct Only
Default value: FALSE
Since: 1.2