[mujs] localstorage.c

src/ecmascript/libdom/mujs/Makefile

@@ -1,6 +1,6 @@
 top_builddir=../../../..
 include $(top_builddir)/Makefile.config
 
-OBJS = attr.o attributes.o collection.o console.o forms.o history.o implementation.o keyboard.o mapa.obj
+OBJS = attr.o attributes.o collection.o console.o forms.o history.o implementation.o keyboard.o localstorage.o mapa.obj
 
 include $(top_srcdir)/Makefile.lib

src/ecmascript/libdom/mujs/localstorage.c

@@ -0,0 +1,155 @@
+/* The quickjs localstorage object implementation. */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "elinks.h"
+
+#include "bfu/leds.h"
+#include "document/view.h"
+#include "ecmascript/ecmascript.h"
+#include "ecmascript/localstorage-db.h"
+#include "ecmascript/mujs.h"
+#include "ecmascript/mujs/localstorage.h"
+#include "session/session.h"
+#include "viewer/text/vs.h"
+
+/* IMPLEMENTS READ FROM STORAGE USING SQLITE DATABASE */
+static char *
+readFromStorage(const char *key)
+{
+
+	char *val;
+
+	if (local_storage_ready==0)
+	{
+		db_prepare_structure(local_storage_filename);
+		local_storage_ready=1;
+	}
+
+	val = db_query_by_key(local_storage_filename, key);
+
+	//DBG("Read: %s %s %s",local_storage_filename, key, val);
+
+	return val;
+}
+
+static void
+removeFromStorage(const char *key)
+{
+	if (local_storage_ready==0)
+	{
+		db_prepare_structure(local_storage_filename);
+		local_storage_ready=1;
+	}
+	db_delete_from(local_storage_filename, key);
+}
+
+/* IMPLEMENTS SAVE TO STORAGE USING SQLITE DATABASE */
+static void
+saveToStorage(const char *key, const char *val)
+{
+	if (local_storage_ready==0) {
+		db_prepare_structure(local_storage_filename);
+		local_storage_ready=1;
+	}
+
+	int rows_affected=0;
+
+	rows_affected=db_update_set(local_storage_filename, key, val);
+
+	if (rows_affected==0) {
+		rows_affected=db_insert_into(local_storage_filename, key, val);
+	}
+
+	// DBG(log, "UPD ROWS: %d KEY: %s VAL: %s",rows_affected,key,val);
+
+}
+
+static void
+mjs_localstorage_getitem(js_State *J)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	const char *key = js_tostring(J, 1);
+
+	if (!key) {
+		js_pushnull(J);
+		return;
+	}
+
+	char *val = readFromStorage(key);
+
+	if (!val) {
+		js_pushnull(J);
+		return;
+	}
+	js_pushstring(J, val);
+	mem_free(val);
+}
+
+static void
+mjs_localstorage_removeitem(js_State *J)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	const char *key = js_tostring(J, 1);
+
+	if (key) {
+		removeFromStorage(key);
+	}
+	js_pushundefined(J);
+}
+
+static void
+mjs_localstorage_setitem(js_State *J)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)js_getcontext(J);
+	const char *key_str = js_tostring(J, 1);
+	const char *val_str = js_tostring(J, 2);
+
+	if (!key_str || !val_str)
+	{
+		js_pushundefined(J);
+		return;
+	}
+	saveToStorage(key_str, val_str);
+#ifdef CONFIG_LEDS
+	set_led_value(interpreter->vs->doc_view->session->status.ecmascript_led, 'J');
+#endif
+	js_pushundefined(J);
+}
+
+static void
+mjs_localstorage_toString(js_State *J)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	js_pushstring(J, "[localstorage object]");
+}
+
+int
+mjs_localstorage_init(js_State *J)
+{
+	js_newobject(J);
+	{
+		addmethod(J, "localStorage.getItem", mjs_localstorage_getitem, 1);
+		addmethod(J, "localStorage.removeItem", mjs_localstorage_removeitem, 1);
+		addmethod(J, "localStorage.setItem", mjs_localstorage_setitem, 2);
+		addmethod(J, "localStorage.toString", mjs_localstorage_toString, 0);
+	}
+	js_defglobal(J, "localStorage", JS_DONTENUM);
+
+	return 0;
+}

src/ecmascript/libdom/mujs/meson.build

@@ -1 +1 @@
-srcs += files('attr.c', 'attributes.c', 'collection.c', 'console.c', 'forms.c', 'history.c', 'implementation.c', 'keyboard.c', 'mapa.cpp')
+srcs += files('attr.c', 'attributes.c', 'collection.c', 'console.c', 'forms.c', 'history.c', 'implementation.c', 'keyboard.c', 'localstorage.c', 'mapa.cpp')

src/ecmascript/mujs/localstorage.cpp

@@ -49,6 +49,8 @@
 #include "document/refresh.h"
 #include "terminal/screen.h"
 
+#ifndef CONFIG_LIBDOM
+
 /* IMPLEMENTS READ FROM STORAGE USING SQLITE DATABASE */
 static char *
 readFromStorage(const char *key)
@@ -183,3 +185,4 @@ mjs_localstorage_init(js_State *J)
 
 	return 0;
 }
+#endif

src/ecmascript/mujs/localstorage.h

@@ -3,6 +3,14 @@
 
 #include <mujs.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 int mjs_localstorage_init(js_State *J);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif