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authorPřemysl Janouch <p.janouch@gmail.com>2010-10-26 19:56:17 +0200
committerPřemysl Janouch <p.janouch@gmail.com>2010-10-26 20:01:52 +0200
commitaa33db342b4fc194cdb4966381ac1e5f44b73465 (patch)
tree797ecd1d3c435caac82c00e0319f71df52362b21
parent979308aa7f42073e309737cd18da58731437bf3a (diff)
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Added ld_library_find_symbol().
This function tries to return a symbol that corresponds to the given identifier.
-rw-r--r--src/ld-library.c66
-rw-r--r--src/ld-library.h9
2 files changed, 75 insertions, 0 deletions
diff --git a/src/ld-library.c b/src/ld-library.c
index 7f96b96..66d8709 100644
--- a/src/ld-library.c
+++ b/src/ld-library.c
@@ -297,6 +297,72 @@ ld_library_load_cb (const gchar *base, const gchar *filename, gpointer userdata)
}
/**
+ * ld_library_find_symbol:
+ * @self: A symbol library object.
+ * @identifier: An identifier of the symbol to be searched for.
+ *
+ * Search for a symbol in the library.
+ *
+ * Return value: A symbol object if found, NULL otherwise.
+ */
+/* XXX: With this level of indentation, this function is really ugly. */
+LdSymbol *
+ld_library_find_symbol (LdLibrary *self, const gchar *identifier)
+{
+ gchar **id_el_start, **id_el;
+ const GSList *list, *list_el;
+
+ g_return_val_if_fail (LD_IS_LIBRARY (self), NULL);
+ g_return_val_if_fail (identifier != NULL, NULL);
+
+ id_el_start = g_strsplit (identifier, LD_LIBRARY_IDENTIFIER_SEPARATOR, 0);
+ if (!id_el_start)
+ return NULL;
+
+ list = ld_library_get_children (self);
+ for (id_el = id_el_start; id_el[0]; id_el++)
+ {
+ LdSymbolCategory *cat;
+ LdSymbol *symbol;
+ gboolean found = FALSE;
+
+ for (list_el = list; list_el; list_el = g_slist_next (list_el))
+ {
+ /* If the current identifier element is a category (not last)
+ * and this list element is a category.
+ */
+ if (id_el[1] && LD_IS_SYMBOL_CATEGORY (list_el->data))
+ {
+ cat = LD_SYMBOL_CATEGORY (list_el->data);
+ if (strcmp (id_el[0], ld_symbol_category_get_name (cat)))
+ continue;
+
+ list = ld_symbol_category_get_children (cat);
+ found = TRUE;
+ break;
+ }
+ /* If the current identifier element is a symbol (last)
+ * and this list element is a symbol.
+ */
+ else if (!id_el[1] && LD_IS_SYMBOL (list_el->data))
+ {
+ symbol = LD_SYMBOL (list_el->data);
+ if (strcmp (id_el[0], ld_symbol_get_name (symbol)))
+ continue;
+
+ g_strfreev (id_el_start);
+ return symbol;
+ }
+ }
+
+ if (!found)
+ break;
+ }
+ g_strfreev (id_el_start);
+ return NULL;
+}
+
+/**
* ld_library_clear:
* @self: A symbol library object.
*
diff --git a/src/ld-library.h b/src/ld-library.h
index eb0673f..d988230 100644
--- a/src/ld-library.h
+++ b/src/ld-library.h
@@ -53,10 +53,19 @@ struct _LdLibraryClass
};
+/**
+ * LD_LIBRARY_IDENTIFIER_SEPARATOR:
+ *
+ * Defines a string that separates categories and symbols in identifiers.
+ */
+#define LD_LIBRARY_IDENTIFIER_SEPARATOR "/"
+
+
GType ld_library_get_type (void) G_GNUC_CONST;
LdLibrary *ld_library_new (void);
gboolean ld_library_load (LdLibrary *self, const gchar *directory);
+LdSymbol *ld_library_find_symbol (LdLibrary *self, const gchar *identifier);
void ld_library_clear (LdLibrary *self);
void ld_library_insert_child (LdLibrary *self, GObject *child, gint pos);