[girepository] Document GIStructInfo & GIUnionInfo

https://bugzilla.gnome.org/show_bug.cgi?id=628753

7 files changed, 221 insertions, 11 deletions

diff --git a/girepository/giconstantinfo.c b/girepository/giconstantinfo.c
index ea7d4160..b6b67d1a 100644
--- a/girepository/giconstantinfo.c
+++ b/girepository/giconstantinfo.c
@@ -65,7 +65,7 @@ g_constant_info_get_type (GIConstantInfo *info)
 }
 
 /**
- * g_constant_info_get_value:
+ * g_constant_info_get_value: (skip)
  * @info: a #GIConstantInfo
  * @value: (out): an argument
  *
diff --git a/girepository/gifieldinfo.c b/girepository/gifieldinfo.c
index 4acc8e3a..21a6db02 100644
--- a/girepository/gifieldinfo.c
+++ b/girepository/gifieldinfo.c
@@ -161,7 +161,7 @@ g_field_info_get_type (GIFieldInfo *info)
 }
 
 /**
- * g_field_info_get_field:
+ * g_field_info_get_field: (skip)
  * @field_info: a #GIFieldInfo
  * @mem: pointer to a block of memory representing a C structure or union
  * @value: a #GIArgument into which to store the value retrieved
@@ -343,7 +343,7 @@ g_field_info_get_field (GIFieldInfo *field_info,
 }
 
 /**
- * g_field_info_set_field:
+ * g_field_info_set_field: (skip)
  * @field_info: a #GIFieldInfo
  * @mem: pointer to a block of memory representing a C structure or union
  * @value: a #GIArgument holding the value to store
diff --git a/girepository/gifunctioninfo.c b/girepository/gifunctioninfo.c
index 9dd6daae..2f8920de 100644
--- a/girepository/gifunctioninfo.c
+++ b/girepository/gifunctioninfo.c
@@ -215,7 +215,7 @@ g_invoke_error_quark (void)
 }
 
 /**
- * g_function_info_invoke:
+ * g_function_info_invoke: (skip)
  * @info: a #GIFunctionInfo describing the function to invoke
  * @in_args: an array of #GIArgument<!-- -->s, one for each in
  *    parameter of @info. If there are no in parameter, @in_args
diff --git a/girepository/giobjectinfo.h b/girepository/giobjectinfo.h
index 630def61..11c1c5ac 100644
--- a/girepository/giobjectinfo.h
+++ b/girepository/giobjectinfo.h
@@ -31,17 +31,17 @@
 G_BEGIN_DECLS
 
 /**
- * GIObjectInfoRefFunction:
+ * GIObjectInfoRefFunction: (skip)
  * @object: object instance pointer
  *
  * Increases the reference count of an object instance.
  *
- * Returns: the object instance
+ * Returns: (transfer full): the object instance
  */
 typedef void * (*GIObjectInfoRefFunction) (void *object);
 
 /**
- * GIObjectInfoUnrefFunction:
+ * GIObjectInfoUnrefFunction: (skip)
  * @object: object instance pointer
  *
  * Decreases the reference count of an object instance.
@@ -50,7 +50,7 @@ typedef void * (*GIObjectInfoRefFunction) (void *object);
 typedef void   (*GIObjectInfoUnrefFunction) (void *object);
 
 /**
- * GIObjectInfoSetValueFunction:
+ * GIObjectInfoSetValueFunction: (skip)
  * @value: a #GValue
  * @object: object instance pointer
  *
@@ -60,12 +60,12 @@ typedef void   (*GIObjectInfoUnrefFunction) (void *object);
 typedef void   (*GIObjectInfoSetValueFunction) (GValue *value, void *object);
 
 /**
- * GIObjectInfoGetValueFunction:
+ * GIObjectInfoGetValueFunction: (skip)
  * @value: a #GValue
  *
  * Extract an object instance out of @value
  *
- * Returns: the object instance
+ * Returns: (transfer full): the object instance
  */
 typedef void * (*GIObjectInfoGetValueFunction) (const GValue *value);
 
diff --git a/girepository/girepository.c b/girepository/girepository.c
index a8c661ab..0908099a 100644
--- a/girepository/girepository.c
+++ b/girepository/girepository.c
@@ -1413,7 +1413,7 @@ static const GOptionEntry introspection_args[] = {
 };
 
 /**
- * g_irepository_get_option_group:
+ * g_irepository_get_option_group: (skip)
  *
  * Obtain the option group for girepository, it's used
  * by the dumper and for programs that wants to provide
diff --git a/girepository/gistructinfo.c b/girepository/gistructinfo.c
index aaecebbf..ad191683 100644
--- a/girepository/gistructinfo.c
+++ b/girepository/gistructinfo.c
@@ -25,6 +25,33 @@
 #include "girepository-private.h"
 #include "gitypelib-internal.h"
 
+/**
+ * SECTION:gistructinfo
+ * @Short_description: Struct representing a C structure
+ * @Title: GIStructInfo
+ *
+ * GIStructInfo represents a generic C structure type.
+ *
+ * A structure has methods and fields.
+ *
+ * <refsect1 id="gi-giobjectinfo.struct-hierarchy" role="struct_hierarchy">
+ * <title role="struct_hierarchy.title">Struct hierarchy</title>
+ * <synopsis>
+ *   <link linkend="gi-GIBaseInfo">GIBaseInfo</link>
+ *    +----<link linkend="gi-GIRegisteredTypeInfo">GIRegisteredTypeInfo</link>
+ *          +----GIStructInfo
+ * </synopsis>
+ * </refsect1>
+ */
+
+/**
+ * g_struct_info_get_n_fields:
+ * @info: a #GIStructInfo
+ *
+ * Obtain the number of fields this structure has.
+ *
+ * Returns: number of fields
+ */
 gint
 g_struct_info_get_n_fields (GIStructInfo *info)
 {
@@ -34,6 +61,15 @@ g_struct_info_get_n_fields (GIStructInfo *info)
   return blob->n_fields;
 }
 
+/**
+ * g_struct_info_get_field_offset:
+ * @info: a #GIStructInfo
+ * @n: index of queried field
+ *
+ * Obtain the offset of the specified field.
+ *
+ * Returns: field offset in bytes
+ */
 static gint32
 g_struct_get_field_offset (GIStructInfo *info,
 			   gint         n)
@@ -55,6 +91,16 @@ g_struct_get_field_offset (GIStructInfo *info,
   return offset;
 }
 
+/**
+ * g_struct_info_get_field:
+ * @info: a #GIStructInfo
+ * @n: a field index
+ *
+ * Obtain the type information for field with specified index.
+ *
+ * Returns: (transfer full): the #GIFieldInfo, free it with g_base_info_unref()
+ * when done.
+ */
 GIFieldInfo *
 g_struct_info_get_field (GIStructInfo *info,
                          gint          n)
@@ -65,6 +111,14 @@ g_struct_info_get_field (GIStructInfo *info,
                                      g_struct_get_field_offset (info, n));
 }
 
+/**
+ * g_struct_info_get_n_methods:
+ * @info: a #GIStructInfo
+ *
+ * Obtain the number of methods this structure has.
+ *
+ * Returns: number of methods
+ */
 gint
 g_struct_info_get_n_methods (GIStructInfo *info)
 {
@@ -74,6 +128,16 @@ g_struct_info_get_n_methods (GIStructInfo *info)
   return blob->n_methods;
 }
 
+/**
+ * g_struct_info_get_method:
+ * @info: a #GIStructInfo
+ * @n: a method index
+ *
+ * Obtain the type information for method with specified index.
+ *
+ * Returns: (transfer full): the #GIFunctionInfo, free it with g_base_info_unref()
+ * when done.
+ */
 GIFunctionInfo *
 g_struct_info_get_method (GIStructInfo *info,
 			  gint         n)
@@ -88,6 +152,16 @@ g_struct_info_get_method (GIStructInfo *info,
                                         rinfo->typelib, offset);
 }
 
+/**
+ * g_struct_info_find_method:
+ * @info: a #GIStructInfo
+ * @name: a method name
+ *
+ * Obtain the type information for method named @name.
+ *
+ * Returns: (transfer full): the #GIFunctionInfo, free it with g_base_info_unref()
+ * when done.
+ */
 GIFunctionInfo *
 g_struct_info_find_method (GIStructInfo *info,
 			   const gchar  *name)
@@ -103,6 +177,14 @@ g_struct_info_find_method (GIStructInfo *info,
   return _g_base_info_find_method ((GIBaseInfo*)info, offset, blob->n_methods, name);
 }
 
+/**
+ * g_struct_info_get_size:
+ * @info: a #GIStructInfo
+ *
+ * Obtain the total size of the structure.
+ *
+ * Returns: size of the structure in bytes
+ */
 gsize
 g_struct_info_get_size (GIStructInfo *info)
 {
@@ -112,6 +194,14 @@ g_struct_info_get_size (GIStructInfo *info)
   return blob->size;
 }
 
+/**
+ * g_struct_info_get_alignment:
+ * @info: a #GIStructInfo
+ *
+ * Obtain the required alignment of the structure.
+ *
+ * Returns: required alignment in bytes
+ */
 gsize
 g_struct_info_get_alignment (GIStructInfo *info)
 {
diff --git a/girepository/giunioninfo.c b/girepository/giunioninfo.c
index 5db7c047..15a4c7d1 100644
--- a/girepository/giunioninfo.c
+++ b/girepository/giunioninfo.c
@@ -25,6 +25,35 @@
 #include "girepository-private.h"
 #include "gitypelib-internal.h"
 
+/**
+ * SECTION:giunioninfo
+ * @Short_description: Struct representing a union.
+ * @Title: GIUnionInfo
+ *
+ * GIUnionInfo represents a union type.
+ *
+ * A union has methods and fields.  Unions can optionally have a
+ * discriminator, which is a field deciding what type of real union
+ * fields is valid for specified instance.
+ *
+ * <refsect1 id="gi-giobjectinfo.struct-hierarchy" role="struct_hierarchy">
+ * <title role="struct_hierarchy.title">Struct hierarchy</title>
+ * <synopsis>
+ *   <link linkend="gi-GIBaseInfo">GIBaseInfo</link>
+ *    +----<link linkend="gi-GIRegisteredTypeInfo">GIRegisteredTypeInfo</link>
+ *          +----GIUnionInfo
+ * </synopsis>
+ * </refsect1>
+ */
+
+/**
+ * g_union_info_get_n_fields:
+ * @info: a #GIUnionInfo
+ *
+ * Obtain the number of fields this union has.
+ *
+ * Returns: number of fields
+ */
 gint
 g_union_info_get_n_fields  (GIUnionInfo *info)
 {
@@ -34,6 +63,16 @@ g_union_info_get_n_fields  (GIUnionInfo *info)
   return blob->n_fields;
 }
 
+/**
+ * g_union_info_get_field:
+ * @info: a #GIUnionInfo
+ * @n: a field index
+ *
+ * Obtain the type information for field with specified index.
+ *
+ * Returns: (transfer full): the #GIFieldInfo, free it with g_base_info_unref()
+ * when done.
+ */
 GIFieldInfo *
 g_union_info_get_field (GIUnionInfo *info,
 			gint         n)
@@ -46,6 +85,14 @@ g_union_info_get_field (GIUnionInfo *info,
 				     n * header->field_blob_size);
 }
 
+/**
+ * g_union_info_get_n_methods:
+ * @info: a #GIUnionInfo
+ *
+ * Obtain the number of methods this union has.
+ *
+ * Returns: number of methods
+ */
 gint
 g_union_info_get_n_methods (GIUnionInfo *info)
 {
@@ -55,6 +102,16 @@ g_union_info_get_n_methods (GIUnionInfo *info)
   return blob->n_functions;
 }
 
+/**
+ * g_union_info_get_method:
+ * @info: a #GIUnionInfo
+ * @n: a method index
+ *
+ * Obtain the type information for method with specified index.
+ *
+ * Returns: (transfer full): the #GIFunctionInfo, free it with g_base_info_unref()
+ * when done.
+ */
 GIFunctionInfo *
 g_union_info_get_method (GIUnionInfo *info,
 			 gint         n)
@@ -71,6 +128,14 @@ g_union_info_get_method (GIUnionInfo *info,
 					rinfo->typelib, offset);
 }
 
+/**
+ * g_union_info_is_discriminated:
+ * @info: a #GIUnionInfo
+ *
+ * Return true if this union contains discriminator field.
+ *
+ * Returns: %TRUE if this is a discriminated union, %FALSE otherwise
+ */
 gboolean
 g_union_info_is_discriminated (GIUnionInfo *info)
 {
@@ -80,6 +145,14 @@ g_union_info_is_discriminated (GIUnionInfo *info)
   return blob->discriminated;
 }
 
+/**
+ * g_union_info_get_discrimintor_offset:
+ * @info: a #GIUnionInfo
+ *
+ * Returns offset of the discriminator field in the structure.
+ *
+ * Returns: (transfer full): offset in bytes of the discriminator
+ */
 gint
 g_union_info_get_discriminator_offset (GIUnionInfo *info)
 {
@@ -89,6 +162,15 @@ g_union_info_get_discriminator_offset (GIUnionInfo *info)
   return blob->discriminator_offset;
 }
 
+/**
+ * g_union_info_get_discriminator_type:
+ * @info: a #GIUnionInfo
+ *
+ * Obtain the type information of the union discriminator.
+ *
+ * Returns: (transfer full): the #GITypeInfo, free it with g_base_info_unref()
+ * when done.
+ */
 GITypeInfo *
 g_union_info_get_discriminator_type (GIUnionInfo *info)
 {
@@ -97,6 +179,18 @@ g_union_info_get_discriminator_type (GIUnionInfo *info)
   return _g_type_info_new ((GIBaseInfo*)info, rinfo->typelib, rinfo->offset + 24);
 }
 
+/**
+ * g_union_info_get_discriminator:
+ * @info: a #GIUnionInfo
+ * @n: a union field index
+ *
+ * Obtain discriminator value assigned for n-th union field, i.e. n-th
+ * union field is the active one if discriminator contains this
+ * constant.
+ *
+ * Returns: (transfer full): the #GIConstantInfo, free it with g_base_info_unref()
+ * when done.
+ */
 GIConstantInfo *
 g_union_info_get_discriminator (GIUnionInfo *info,
 				gint         n)
@@ -121,6 +215,16 @@ g_union_info_get_discriminator (GIUnionInfo *info,
   return NULL;
 }
 
+/**
+ * g_union_info_find_method:
+ * @info: a #GIUnionInfo
+ * @name: a method name
+ *
+ * Obtain the type information for method named @name.
+ *
+ * Returns: (transfer full): the #GIFunctionInfo, free it with g_base_info_unref()
+ * when done.
+ */
 GIFunctionInfo *
 g_union_info_find_method (GIUnionInfo *info,
                           const gchar *name)
@@ -136,6 +240,14 @@ g_union_info_find_method (GIUnionInfo *info,
   return _g_base_info_find_method ((GIBaseInfo*)info, offset, blob->n_functions, name);
 }
 
+/**
+ * g_union_info_get_size:
+ * @info: a #GIUnionInfo
+ *
+ * Obtain the total size of the union.
+ *
+ * Returns: size of the union in bytes
+ */
 gsize
 g_union_info_get_size (GIUnionInfo *info)
 {
@@ -145,6 +257,14 @@ g_union_info_get_size (GIUnionInfo *info)
   return blob->size;
 }
 
+/**
+ * g_union_info_get_alignment:
+ * @info: a #GIUnionInfo
+ *
+ * Obtain the required alignment of the union.
+ *
+ * Returns: required alignment in bytes
+ */
 gsize
 g_union_info_get_alignment (GIUnionInfo *info)
 {