5 files changed, 177 insertions, 86 deletions

diff --git a/hardinfo2/Makefile.in b/hardinfo2/Makefile.in
index 8a37f674..f8fef304 100644
--- a/hardinfo2/Makefile.in
+++ b/hardinfo2/Makefile.in
@@ -27,13 +27,13 @@ benchmark.so:	benchmark.c
 	@echo "--- Module: $< ($@)"
 	$(CCSLOW) $(CFLAGS) -o $@ -shared $< $(GTK_FLAGS) $(GTK_LIBS) \
 		$(GLADE_LIBS) $(GLADE_FLAGS)
-	mv -f $@ modules
+	ln -sf ../$@ modules
 
 %.so:	%.c
 	@echo "--- Module: $< ($@)"
 	$(CC) $(CFLAGS) -o $@ -shared $< $(GTK_FLAGS) $(GTK_LIBS) \
 		$(GLADE_LIBS) $(GLADE_FLAGS)
-	mv -f $@ modules
+	ln -sf ../$@ modules
 	
 clean:
 	rm -rf .xvpics pixmaps/.xvpics *.o *.so hardinfo modules/*.so report
@@ -68,10 +68,10 @@ install:	all
 	cp hardinfo ${DESTDIR}/usr/bin/hardinfo
 
 	@echo '*** Installing modules...'
-	cp -r modules/*.so ${DESTDIR}/usr/lib/hardinfo/modules
+	cp -Lr modules/*.so ${DESTDIR}/usr/lib/hardinfo/modules
 
 	@echo '*** Installing pixmaps...'
-	cp -r pixmaps/* ${DESTDIR}/usr/share/hardinfo/pixmaps
+	cp -Lr pixmaps/* ${DESTDIR}/usr/share/hardinfo/pixmaps
 
 	@echo '*** Installing misc data...'
 	cp uidefs.xml ${DESTDIR}/usr/share/hardinfo
diff --git a/hardinfo2/hardinfo.c b/hardinfo2/hardinfo.c
index 6619afa1..e2a4a91c 100644
--- a/hardinfo2/hardinfo.c
+++ b/hardinfo2/hardinfo.c
@@ -33,34 +33,59 @@ main(int argc, char **argv)
 {
     GSList *modules;
     
+    /* parse all command line parameters */
     parameters_init(&argc, &argv, &params);
     
+    /* show version information and quit */
     if (params.show_version) {
        g_print("HardInfo version " VERSION "\n");
        g_print("Copyright (C) 2003-2006 Leandro A. F. Pereira. See COPYING for details.\n");
+    
        return 0;
     }
     
+    /* initialize the binreloc library, so we can load program data */
+    if (!binreloc_init(FALSE))
+        g_error("Failed to find runtime data.\n\n"
+                "\342\200\242 Is HardInfo correctly installed?\n"
+                "\342\200\242 See if %s and %s exists and you have read permision.",
+                PREFIX, LIBPREFIX);
+                
+    /* list all module names */
+    if (params.list_modules) {
+        GSList *modules = modules_load_all();
+        
+        g_print("Module Name\t\tDynamic Loadable Module\n");
+        for (; modules; modules = modules->next) {
+            ShellModule *module = (ShellModule *) modules->data;
+            
+            g_print("%s\t\t%s\n", module->name, g_module_name(module->dll));
+        }
+        
+        return 0;
+    }
+    
     if (!params.create_report) {
        /* we only try to open the UI if the user didn't asked for a 
           report. */
        params.gui_running = ui_init(&argc, &argv);
 
-       /* if GTK+ initialization failed, assume the user wants a 
-          report. */
+       /* as a fallback, if GTK+ initialization failed, run in report
+          generation mode. */
        if (!params.gui_running)
            params.create_report = TRUE;
     }
 
-    if (!binreloc_init(FALSE))
-        g_error("Failed to find runtime data.\n\n"
-                "\342\200\242 Is HardInfo correctly installed?\n"
-                "\342\200\242 See if %s and %s exists and you have read permision.",
-                PREFIX, LIBPREFIX);
-    
-    modules = modules_load();
-    
+    if (params.use_modules) {
+        /* load only selected modules */
+        modules = modules_load_selected();
+    } else {
+        /* load all modules */
+        modules = modules_load_all();
+    }
+
     if (params.gui_running) {
+        /* initialize gui and start gtk+ main loop */
         icon_cache_init();
         stock_icons_init();
     
@@ -68,6 +93,7 @@ main(int argc, char **argv)
   
         gtk_main();
     } else if (params.create_report) {
+        /* generate report */
         gchar *report;
         
         report = report_create_from_module_list_format(modules,
diff --git a/hardinfo2/hardinfo.h b/hardinfo2/hardinfo.h
index 1a5a4b97..17c9719b 100644
--- a/hardinfo2/hardinfo.h
+++ b/hardinfo2/hardinfo.h
@@ -29,8 +29,11 @@ struct _ProgramParameters {
   gboolean create_report;
   gboolean show_version;
   gboolean gui_running;
+  gboolean list_modules;
+  
   gint     report_format;
   
+  gchar  **use_modules;
   gchar   *path_lib;
   gchar   *path_data;
 };
@@ -67,7 +70,8 @@ gpointer  file_types_get_data_by_name(FileTypes *file_types, gchar *name);
 inline gchar *size_human_readable(gfloat size);
 void          nonblock_sleep(guint msec);
 void          open_url(gchar *url);
-GSList       *modules_load(void);
+GSList	     *modules_load_selected(void);
+GSList       *modules_load_all(void);
 
 /* BinReloc stuff */
 gboolean binreloc_init(gboolean try_hardcoded);
diff --git a/hardinfo2/shell.c b/hardinfo2/shell.c
index aa616d56..d6290419 100644
--- a/hardinfo2/shell.c
+++ b/hardinfo2/shell.c
@@ -597,7 +597,7 @@ shell_init(GSList *modules)
     shell_status_set_enabled(TRUE);
     shell_status_update("Loading modules...");
 
-    shell->tree->modules = modules ? modules : modules_load();
+    shell->tree->modules = modules ? modules : modules_load_all();
 
     g_slist_foreach(shell->tree->modules, add_modules_to_gui, shell->tree);
     gtk_tree_view_expand_all(GTK_TREE_VIEW(shell->tree->view));
diff --git a/hardinfo2/util.c b/hardinfo2/util.c
index 49252a33..67fd39e8 100644
--- a/hardinfo2/util.c
+++ b/hardinfo2/util.c
@@ -258,9 +258,11 @@ log_handler(const gchar * log_domain,
 
 void parameters_init(int *argc, char ***argv, ProgramParameters * param)
 {
-    static gboolean  create_report = FALSE;
-    static gboolean  show_version = FALSE;
-    static gchar    *report_format = NULL;
+    static gboolean  create_report   = FALSE;
+    static gboolean  show_version    = FALSE;
+    static gboolean  list_modules    = FALSE;
+    static gchar    *report_format   = NULL;
+    static gchar   **use_modules     = NULL;
 
     static GOptionEntry options[] = {
 	{
@@ -278,6 +280,20 @@ void parameters_init(int *argc, char ***argv, ProgramParameters * param)
 	 .description = "chooses a report format (text, html)"
         },
 	{
+	 .long_name   = "list-modules",
+	 .short_name  = 'l',
+	 .arg         = G_OPTION_ARG_NONE,
+	 .arg_data    = &list_modules,
+	 .description = "lists modules"
+        },
+	{
+	 .long_name   = "load-modules",
+	 .short_name  = 'm',
+	 .arg         = G_OPTION_ARG_STRING_ARRAY,
+	 .arg_data    = &use_modules,
+	 .description = "load only selected modules"
+        },
+	{
 	 .long_name   = "version",
 	 .short_name  = 'v',
 	 .arg         = G_OPTION_ARG_NONE,
@@ -300,6 +316,8 @@ void parameters_init(int *argc, char ***argv, ProgramParameters * param)
     param->create_report = create_report;
     param->report_format = REPORT_FORMAT_TEXT;
     param->show_version  = show_version;
+    param->list_modules  = list_modules;
+    param->use_modules   = use_modules;
     
     if (report_format && g_str_equal(report_format, "html"))
         param->report_format = REPORT_FORMAT_HTML;
@@ -348,7 +366,87 @@ gchar *strreplace(gchar * string, gchar * replace, gchar new_char)
     return string;
 }
 
-GSList *modules_load(void)
+static ShellModule *module_load(gchar *name, gchar *filename) {
+    ShellModule *module;
+    gchar *tmp;
+    
+    module = g_new0(ShellModule, 1);
+    module->name = g_strdup(name);
+    
+    if (params.gui_running) {
+        tmp = g_strdup_printf("%s.png", filename);
+        module->icon = icon_cache_get_pixbuf(tmp);
+        g_free(tmp);
+    }
+
+    tmp = g_strdup_printf("%s.so", filename);
+    filename = tmp;
+
+    tmp = g_build_filename(params.path_lib, "modules", filename, NULL);
+    module->dll = g_module_open(tmp, G_MODULE_BIND_LAZY);
+    g_free(tmp);
+
+    if (module->dll) {
+        gint(*n_entries) (void);
+        gint i;
+
+        if (!g_module_symbol(module->dll, "hi_n_entries", (gpointer) & n_entries))
+            goto failed;
+
+        gint j = n_entries();
+        for (i = 0; i <= j; i++) {
+            GdkPixbuf *(*shell_icon) (gint);
+            const gchar *(*shell_name) (gint);
+            ShellModuleEntry *entry = g_new0(ShellModuleEntry, 1);
+
+            if (params.gui_running
+                && g_module_symbol(module->dll, "hi_icon",
+                                   (gpointer) & (shell_icon))) {
+                entry->icon = shell_icon(i);
+            }
+            if (g_module_symbol
+                (module->dll, "hi_name", (gpointer) & (shell_name))) {
+                entry->name = g_strdup(shell_name(i));
+            }
+            g_module_symbol(module->dll, "hi_info",
+                            (gpointer) & (entry->func));
+            g_module_symbol(module->dll, "hi_reload",
+                            (gpointer) & (entry->reloadfunc));
+            g_module_symbol(module->dll, "hi_more_info",
+                            (gpointer) & (entry->morefunc));
+            g_module_symbol(module->dll, "hi_get_field",
+                            (gpointer) & (entry->fieldfunc));
+
+            entry->number = i;
+            
+            module->entries = g_slist_append(module->entries, entry);
+        }
+    } else {
+      failed:
+        g_free(module->name);
+        g_free(module);
+        module = NULL;
+    }
+    
+    return module;
+}
+
+static gboolean module_in_module_list(gchar *module, gchar **module_list)
+{
+    int i = 0;
+    
+    if (!module_list)
+        return TRUE;
+    
+    for (; module_list[i]; i++) {
+        if (g_str_equal(module_list[i], module))
+            return TRUE;
+    }
+    
+    return FALSE;
+}
+
+static GSList *modules_load(gchar **module_list)
 {
     gchar *modules_conf;
     GKeyFile *keyfile = g_key_file_new();
@@ -367,80 +465,43 @@ GSList *modules_load(void)
 
     gchar **cat = g_key_file_get_keys(keyfile, "categories", &categories, NULL);
     for (i = 0; i < categories; i++) {
-	ShellModule *module;
-	gchar *tmp, *iname;
-
-	module = g_new0(ShellModule, 1);
-	module->name = g_strdup(cat[i]);
-	iname = g_key_file_get_value(keyfile, "categories", cat[i], NULL);
-	
-	if (params.gui_running) {
-	    tmp = g_strdup_printf("%s.png", iname);
-	    module->icon = icon_cache_get_pixbuf(tmp);
-	    g_free(tmp);
-	}
-
-	tmp = g_strdup_printf("%s.so", iname);
-	g_free(iname);
-	iname = tmp;
-
-	tmp = g_build_filename(params.path_lib, "modules", iname, NULL);
-	module->dll = g_module_open(tmp, G_MODULE_BIND_LAZY);
-	g_free(tmp);
+        if (module_in_module_list(cat[i], module_list)) {
+            ShellModule *module;
+            gchar *name;
 
-	if (module->dll) {
-	    gint(*n_entries) (void);
-	    gint i;
-
-	    if (!g_module_symbol
-		(module->dll, "hi_n_entries", (gpointer) & n_entries))
-		continue;
-
-	    gint j = n_entries();
-	    for (i = 0; i <= j; i++) {
-		GdkPixbuf *(*shell_icon) (gint);
-		const gchar *(*shell_name) (gint);
-		ShellModuleEntry *entry = g_new0(ShellModuleEntry, 1);
-
-		if (params.gui_running
-		    && g_module_symbol(module->dll, "hi_icon",
-				       (gpointer) & (shell_icon))) {
-		    entry->icon = shell_icon(i);
-		}
-		if (g_module_symbol
-		    (module->dll, "hi_name", (gpointer) & (shell_name))) {
-		    entry->name = g_strdup(shell_name(i));
-		}
-		g_module_symbol(module->dll, "hi_info",
-				(gpointer) & (entry->func));
-		g_module_symbol(module->dll, "hi_reload",
-				(gpointer) & (entry->reloadfunc));
-		g_module_symbol(module->dll, "hi_more_info",
-				(gpointer) & (entry->morefunc));
-		g_module_symbol(module->dll, "hi_get_field",
-				(gpointer) & (entry->fieldfunc));
-
-		entry->number = i;
-		module->entries = g_slist_append(module->entries, entry);
-	    }
-
-	    modules = g_slist_append(modules, module);
-	} else {
-	    g_free(module->name);
-	    g_free(module);
-	}
-
-	g_free(iname);
+            name = g_key_file_get_value(keyfile, "categories", cat[i], NULL);
+            module = module_load(cat[i], name);
+    
+            if (module)
+                modules = g_slist_append(modules, module);
+                
+            g_free(name);	
+        }
     }
 
     g_strfreev(cat);
     g_key_file_free(keyfile);
 
     if (g_slist_length(modules) == 0) {
-	g_error
-	    ("No module could be loaded. Check permissions on %s and try again.",
-	     params.path_lib);
+        if (params.use_modules == NULL) {
+    	    g_error("No module could be loaded. Check permissions on \"%s\" and try again.",
+	            params.path_lib);
+        } else {
+            g_error("No module could be loaded. Please use hardinfo -l to list all avai"
+                    "lable modules and try again with a valid module list.");
+                    
+        }
     }
 
     return modules;
 }
+
+GSList *modules_load_selected(void)
+{
+    return modules_load(params.use_modules);
+}
+
+GSList *modules_load_all(void)
+{
+    return modules_load(NULL);
+}