[mujs] localStorage

src/ecmascript/mujs.cpp

@@ -27,6 +27,7 @@
 #include "ecmascript/mujs.h"
 #include "ecmascript/mujs/console.h"
 #include "ecmascript/mujs/history.h"
+#include "ecmascript/mujs/localstorage.h"
 #include "ecmascript/mujs/navigator.h"
 #include "ecmascript/mujs/screen.h"
 #include "ecmascript/mujs/unibar.h"
@@ -86,6 +87,7 @@ mujs_get_interpreter(struct ecmascript_interpreter *interpreter)
 	mjs_navigator_init(interpreter, J);
 	mjs_history_init(interpreter, J);
 	mjs_console_init(interpreter, J);
+	mjs_localstorage_init(interpreter, J);
 
 	return J;
 #if 0

src/ecmascript/mujs/localstorage.cpp

@@ -0,0 +1,194 @@
+/* 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/dialog.h"
+#include "cache/cache.h"
+#include "config/home.h"
+#include "cookies/cookies.h"
+#include "dialogs/menu.h"
+#include "dialogs/status.h"
+#include "document/html/frames.h"
+#include "document/document.h"
+#include "document/forms.h"
+#include "document/view.h"
+#include "ecmascript/ecmascript.h"
+#include "ecmascript/localstorage-db.h"
+#include "ecmascript/mujs.h"
+#include "ecmascript/mujs/localstorage.h"
+#include "intl/libintl.h"
+#include "main/select.h"
+#include "osdep/newwin.h"
+#include "osdep/sysname.h"
+#include "protocol/http/http.h"
+#include "protocol/uri.h"
+#include "session/history.h"
+#include "session/location.h"
+#include "session/session.h"
+#include "session/task.h"
+#include "terminal/tab.h"
+#include "terminal/terminal.h"
+#include "util/conv.h"
+#include "util/memory.h"
+#include "util/string.h"
+#include "viewer/text/draw.h"
+#include "viewer/text/form.h"
+#include "viewer/text/link.h"
+#include "viewer/text/vs.h"
+
+#include <time.h>
+#include "document/renderer.h"
+#include "document/refresh.h"
+#include "terminal/screen.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;
+	}
+	// TODO possible memleak
+	js_pushstring(J, 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_touserdata(J, 0, "localStorage");
+	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(struct ecmascript_interpreter *interpreter, js_State *J)
+{
+	js_getglobal(J, "Object");
+	js_getproperty(J, -1, "prototype");
+	js_newuserdata(J, "localStorage", interpreter, NULL);
+
+	js_newcfunction(J, mjs_localstorage_getitem, "localStorage.prototype.getItem", 1);
+	js_defproperty(J, -2, "getItem", JS_DONTENUM);
+
+	js_newcfunction(J, mjs_localstorage_removeitem, "localStorage.prototype.removeItem", 1);
+	js_defproperty(J, -2, "removeItem", JS_DONTENUM);
+
+	js_newcfunction(J, mjs_localstorage_setitem, "localStorage.prototype.setItem", 2);
+	js_defproperty(J, -2, "setItem", JS_DONTENUM);
+
+	js_newcfunction(J, mjs_localstorage_toString, "localStorage.prototype.toString", 0);
+	js_defproperty(J, -2, "toString", JS_DONTENUM);
+
+	js_defglobal(J, "localStorage", JS_DONTENUM);
+
+	return 0;
+}

src/ecmascript/mujs/localstorage.h

@@ -0,0 +1,10 @@
+#ifndef EL__ECMASCRIPT_MUJS_LOCALSTORAGE_H
+#define EL__ECMASCRIPT_MUJS_LOCALSTORAGE_H
+
+#include <mujs.h>
+
+struct ecmascript_interpreter;
+
+int mjs_localstorage_init(struct ecmascript_interpreter *interpreter, js_State *J);
+
+#endif

src/ecmascript/mujs/meson.build

@@ -1,3 +1,3 @@
 #srcs += files('attr.cpp', 'attributes.cpp', 'collection.cpp', 'console.cpp', 'document.cpp', 'element.cpp', 'form.cpp', 'forms.cpp', 'heartbeat.cpp', 'history.cpp', 'implementation.cpp',
 #'input.cpp', 'localstorage.cpp', 'location.cpp', 'navigator.cpp', 'nodelist.cpp', 'screen.cpp', 'unibar.cpp', 'window.cpp')
-srcs += files('console.cpp', 'history.cpp', 'navigator.cpp', 'screen.cpp', 'unibar.cpp', 'window.cpp')
+srcs += files('console.cpp', 'history.cpp', 'localstorage.cpp', 'navigator.cpp', 'screen.cpp', 'unibar.cpp', 'window.cpp')

test/ecmascript/local_storage.html

@@ -4,7 +4,7 @@
 console.log("---= LOCAL STORAGE TEST =---");
 console.log("|``````````````````````````|");
 localStorage.setItem("foo","bar");
-foo=localStorage.getItem("foo");
+var foo=localStorage.getItem("foo");
 console.log(".    foo: "+foo);
 localStorage.setItem("foo","off");
 foo=localStorage.getItem("foo");