File: gperl-i11n-info.c

package info (click to toggle)
libglib-object-introspection-perl 0.048-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, sid
  • size: 544 kB
  • sloc: ansic: 3,468; perl: 2,785; makefile: 9; sh: 3
file content (260 lines) | stat: -rw-r--r-- 7,139 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
/* -*- mode: c; indent-tabs-mode: t; c-basic-offset: 8; -*- */

static GIFunctionInfo *
_find_struct_method (GIStructInfo *info, const gchar *method)
{
	/* g_struct_info_find_method is broken for class structs like
	 * GtkWidgetClass, so we search manually.  See
	 * <https://bugzilla.gnome.org/show_bug.cgi?id=700338>. */
	gint n_methods;
	gint i;
	n_methods = g_struct_info_get_n_methods (info);
	for (i = 0; i < n_methods; i++) {
		GIFunctionInfo *method_info =
			g_struct_info_get_method (info, i);
		if (strEQ (g_base_info_get_name (method_info), method))
			return method_info;
		g_base_info_unref (method_info);
	}
	return NULL;
}

static GIFunctionInfo *
_find_enum_method (GIEnumInfo *info, const gchar *method)
{
#if GI_CHECK_VERSION (1, 29, 17)
	gint n_methods;
	gint i;
	n_methods = g_enum_info_get_n_methods (info);
	for (i = 0; i < n_methods; i++) {
		GIFunctionInfo *method_info =
			g_enum_info_get_method (info, i);
		if (strEQ (g_base_info_get_name (method_info), method))
			return method_info;
		g_base_info_unref (method_info);
	}
#endif
	return NULL;
}

/* Caller owns return value */
static GIFunctionInfo *
get_function_info (GIRepository *repository,
                   const gchar *basename,
                   const gchar *namespace,
                   const gchar *method)
{
	dwarn ("%s, %s, %s\n", basename, namespace, method);

	if (namespace) {
		GIFunctionInfo *function_info = NULL;
		GIBaseInfo *namespace_info = g_irepository_find_by_name (
			repository, basename, namespace);
		if (!namespace_info)
			ccroak ("Can't find information for namespace %s",
			       namespace);

		switch (g_base_info_get_type (namespace_info)) {
		    case GI_INFO_TYPE_OBJECT:
			function_info = g_object_info_find_method (
				(GIObjectInfo *) namespace_info,
				method);
			break;
		    case GI_INFO_TYPE_INTERFACE:
			function_info = g_interface_info_find_method (
				(GIInterfaceInfo *) namespace_info,
				method);
			break;
		    case GI_INFO_TYPE_BOXED:
		    case GI_INFO_TYPE_STRUCT:
			function_info = _find_struct_method (
				(GIStructInfo *) namespace_info,
				method);
			break;
                    case GI_INFO_TYPE_UNION:
			function_info = g_union_info_find_method (
				(GIUnionInfo *) namespace_info,
				method);
			break;
		    case GI_INFO_TYPE_ENUM:
		    case GI_INFO_TYPE_FLAGS:
			function_info = _find_enum_method (
				(GIEnumInfo *) namespace_info,
				method);
			break;
		    default:
			ccroak ("Base info for namespace %s has incorrect type",
			       namespace);
		}

		if (!function_info)
			ccroak ("Can't find information for method "
			       "%s::%s", namespace, method);

		g_base_info_unref (namespace_info);

		return function_info;
	} else {
		GIBaseInfo *method_info = g_irepository_find_by_name (
			repository, basename, method);

		if (!method_info)
			ccroak ("Can't find information for method %s", method);

		switch (g_base_info_get_type (method_info)) {
		    case GI_INFO_TYPE_FUNCTION:
			return (GIFunctionInfo *) method_info;
		    default:
			ccroak ("Base info for method %s has incorrect type",
			       method);
		}
	}

	return NULL;
}

/* Caller owns return value */
static GIFieldInfo *
get_field_info (GIBaseInfo *info, const gchar *field_name)
{
	GIInfoType info_type;
	info_type = g_base_info_get_type (info);
	switch (info_type) {
	    case GI_INFO_TYPE_BOXED:
	    case GI_INFO_TYPE_STRUCT:
	    {
		gint n_fields, i;
		n_fields = g_struct_info_get_n_fields ((GIStructInfo *) info);
		for (i = 0; i < n_fields; i++) {
			GIFieldInfo *field_info;
			field_info = g_struct_info_get_field ((GIStructInfo *) info, i);
			if (0 == strcmp (field_name, g_base_info_get_name (field_info))) {
				return field_info;
			}
			g_base_info_unref (field_info);
		}
		break;
	    }
	    case GI_INFO_TYPE_UNION:
	    {
		gint n_fields, i;
		n_fields = g_union_info_get_n_fields ((GIStructInfo *) info);
		for (i = 0; i < n_fields; i++) {
			GIFieldInfo *field_info;
			field_info = g_union_info_get_field ((GIStructInfo *) info, i);
			if (0 == strcmp (field_name, g_base_info_get_name (field_info))) {
				return field_info;
			}
			g_base_info_unref (field_info);
		}
		break;
	    }
	    default:
		break;
	}
	return NULL;
}

/* Caller owns return value */
static GISignalInfo *
get_signal_info (GIBaseInfo *container_info, const gchar *signal_name)
{
	if (GI_IS_OBJECT_INFO (container_info)) {
		return g_object_info_find_signal (container_info, signal_name);
	} else if (GI_IS_INTERFACE_INFO (container_info)) {
#if GI_CHECK_VERSION (1, 35, 4)
		return g_interface_info_find_signal (container_info, signal_name);
#else
{
		gint n_signals;
		gint i;
		n_signals = g_interface_info_get_n_signals (container_info);
		for (i = 0; i < n_signals; i++) {
			GISignalInfo *siginfo =
				g_interface_info_get_signal (container_info, i);
			if (strEQ (g_base_info_get_name (siginfo), signal_name))
				return siginfo;
			g_base_info_unref (siginfo);
		}
		return NULL;
}
#endif
	}
	return NULL;
}

/* Caller owns return value. */
static gchar *
synthesize_gtype_name (GIBaseInfo *info)
{
	const gchar *namespace = g_base_info_get_namespace (info);
	const gchar *name = g_base_info_get_name (info);
	if (0 == strncmp (namespace, "GObject", 8) ||
	    0 == strncmp (namespace, "GLib", 5))
	{
		namespace = "G";
	}
	return g_strconcat (namespace, name, NULL);
}

/* Caller owns return value. */
static gchar *
synthesize_prefixed_gtype_name (GIBaseInfo *info)
{
	const gchar *namespace = g_base_info_get_namespace (info);
	const gchar *name = g_base_info_get_name (info);
	if (0 == strncmp (namespace, "GObject", 8) ||
	    0 == strncmp (namespace, "GLib", 5))
	{
		namespace = "G";
	}
	return g_strconcat ("GPerlI11n", namespace, name, NULL);
}

static GType
get_gtype (GIRegisteredTypeInfo *info)
{
	GType gtype = g_registered_type_info_get_g_type (info);
	/* Fall back to the registered type name, and if that doesn't work
	 * either, construct the full name and the prefixed full name and try
	 * them. */
	if (!gtype || gtype == G_TYPE_NONE) {
		const gchar *type_name = g_registered_type_info_get_type_name (info);
		if (type_name) {
			gtype = g_type_from_name (type_name);
		}
	}
	if (!gtype || gtype == G_TYPE_NONE) {
		gchar *full_name = synthesize_gtype_name (info);
		gtype = g_type_from_name (full_name);
		g_free (full_name);
	}
	if (!gtype || gtype == G_TYPE_NONE) {
		gchar *full_name = synthesize_prefixed_gtype_name (info);
		gtype = g_type_from_name (full_name);
		g_free (full_name);
	}
	return gtype ? gtype : G_TYPE_NONE;
}

static const gchar *
get_package_for_basename (const gchar *basename)
{
	SV **svp;
	HV *basename_to_package =
		get_hv ("Glib::Object::Introspection::_BASENAME_TO_PACKAGE", 0);
	g_assert (basename_to_package);
	svp = hv_fetch (basename_to_package, basename, strlen (basename), 0);
	if (!svp || !gperl_sv_is_defined (*svp))
	    return NULL;
	return SvPV_nolen (*svp);
}

static gboolean
is_forbidden_sub_name (const gchar *name)
{
	HV *forbidden_sub_names =
		get_hv ("Glib::Object::Introspection::_FORBIDDEN_SUB_NAMES", 0);
	g_assert (forbidden_sub_names);
	return hv_exists (forbidden_sub_names, name, strlen (name));
}