diff options
Diffstat (limited to 'src/ld-library.c')
| -rw-r--r-- | src/ld-library.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/ld-library.c b/src/ld-library.c new file mode 100644 index 0000000..d035644 --- /dev/null +++ b/src/ld-library.c @@ -0,0 +1,199 @@ +/* + * ld-library.c + * + * This file is a part of logdiag. + * Copyright Přemysl Janouch 2010. All rights reserved. + * + * See the file LICENSE for licensing information. + * + */ + +#include <gtk/gtk.h> + +#include "config.h" + +#include "ld-library.h" +#include "ld-symbol-category.h" +#include "ld-symbol.h" + + +/** + * SECTION:ld-library + * @short_description: A symbol library. + * @see_also: #LdSymbol, #LdSymbolCategory + * + * #LdLibrary is used for loading symbols from their files. + */ + +/* + * LdLibraryPrivate: + * @script_state: State of the scripting language. + */ +struct _LdLibraryPrivate +{ + gpointer script_state; +}; + +G_DEFINE_TYPE (LdLibrary, ld_library, G_TYPE_OBJECT); + +static void +ld_library_finalize (GObject *gobject); + + +static void +ld_library_class_init (LdLibraryClass *klass) +{ + GObjectClass *object_class; + + object_class = G_OBJECT_CLASS (klass); + object_class->finalize = ld_library_finalize; + +/** + * LdLibrary::changed: + * @library: The library object. + * + * Contents of the library have changed. + */ + klass->changed_signal = g_signal_new + ("changed", G_TYPE_FROM_CLASS (object_class), + G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS, + 0, NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); + + g_type_class_add_private (klass, sizeof (LdLibraryPrivate)); +} + +static void +ld_library_init (LdLibrary *self) +{ + self->priv = G_TYPE_INSTANCE_GET_PRIVATE + (self, LD_TYPE_LIBRARY, LdLibraryPrivate); + + /* TODO */ + self->priv->script_state = NULL; + + self->categories = g_hash_table_new_full (g_str_hash, g_str_equal, + (GDestroyNotify) g_free, (GDestroyNotify) g_object_unref); +} + +static void +ld_library_finalize (GObject *gobject) +{ + LdLibrary *self; + + self = LD_LIBRARY (gobject); + + g_hash_table_destroy (self->categories); + + /* Chain up to the parent class. */ + G_OBJECT_CLASS (ld_library_parent_class)->finalize (gobject); +} + +/** + * ld_library_new: + * + * Create an instance. + */ +LdLibrary * +ld_library_new (void) +{ + return g_object_new (LD_TYPE_LIBRARY, NULL); +} + +/* + * load_category: + * @self: A symbol library object. + * @path: The path to the category. + * @name: The default name of the category. + * + * Loads a category into the library. + */ +static LdSymbolCategory * +load_category (LdLibrary *self, const char *path, const char *name) +{ + LdSymbolCategory *cat; + gchar *icon_file; + + g_return_val_if_fail (LD_IS_LIBRARY (self), NULL); + g_return_val_if_fail (path != NULL, NULL); + g_return_val_if_fail (name != NULL, NULL); + + if (!g_file_test (path, G_FILE_TEST_IS_DIR)) + return NULL; + + icon_file = g_build_filename (path, "icon.svg", NULL); + if (!g_file_test (icon_file, G_FILE_TEST_IS_REGULAR)) + { + g_warning ("The category in %s has no icon.", path); + g_free (icon_file); + return NULL; + } + + /* TODO: Search for category.json and read the category name from it. */ + /* TODO: Search for xyz.lua and load the objects into the category. */ + + cat = ld_symbol_category_new (self); + cat->name = g_strdup (name); + cat->image_path = icon_file; + return cat; +} + +/** + * ld_library_load: + * @self: A symbol library object. + * @directory: A directory to be loaded. + * + * Load the contents of a directory into the library. + */ +gboolean +ld_library_load (LdLibrary *self, const char *path) +{ + GDir *dir; + const gchar *item; + gboolean changed = FALSE; + + g_return_val_if_fail (LD_IS_LIBRARY (self), FALSE); + g_return_val_if_fail (path != NULL, FALSE); + + dir = g_dir_open (path, 0, NULL); + if (!dir) + return FALSE; + + while ((item = g_dir_read_name (dir))) + { + LdSymbolCategory *cat; + gchar *categ_path; + + categ_path = g_build_filename (path, item, NULL); + cat = load_category (self, categ_path, item); + if (cat) + g_hash_table_insert (self->categories, cat->name, cat); + g_free (categ_path); + + changed = TRUE; + } + g_dir_close (dir); + + if (changed) + g_signal_emit (self, + LD_LIBRARY_GET_CLASS (self)->changed_signal, 0); + + return TRUE; +} + +/** + * ld_library_clear: + * @self: A symbol library object. + * + * Clears all the contents. + */ +void +ld_library_clear (LdLibrary *self) +{ + g_return_if_fail (LD_IS_LIBRARY (self)); + + g_hash_table_remove_all (self->categories); + + g_signal_emit (self, + LD_LIBRARY_GET_CLASS (self)->changed_signal, 0); +} + |