mirror of
https://github.com/rkd77/elinks.git
synced 2024-07-01 02:05:33 +00:00
156 lines
3.1 KiB
C
156 lines
3.1 KiB
C
/* The quickjs localstorage object implementation. */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "elinks.h"
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#include "bfu/leds.h"
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#include "document/view.h"
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#include "ecmascript/ecmascript.h"
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#include "ecmascript/localstorage-db.h"
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#include "ecmascript/mujs.h"
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#include "ecmascript/mujs/localstorage.h"
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#include "session/session.h"
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#include "viewer/text/vs.h"
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/* IMPLEMENTS READ FROM STORAGE USING SQLITE DATABASE */
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static char *
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readFromStorage(const char *key)
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{
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char *val;
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if (local_storage_ready==0)
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{
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db_prepare_structure(local_storage_filename);
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local_storage_ready=1;
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}
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val = db_query_by_key(local_storage_filename, key);
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//DBG("Read: %s %s %s",local_storage_filename, key, val);
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return val;
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}
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static void
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removeFromStorage(const char *key)
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{
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if (local_storage_ready==0)
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{
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db_prepare_structure(local_storage_filename);
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local_storage_ready=1;
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}
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db_delete_from(local_storage_filename, key);
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}
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/* IMPLEMENTS SAVE TO STORAGE USING SQLITE DATABASE */
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static void
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saveToStorage(const char *key, const char *val)
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{
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if (local_storage_ready==0) {
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db_prepare_structure(local_storage_filename);
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local_storage_ready=1;
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}
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int rows_affected=0;
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rows_affected=db_update_set(local_storage_filename, key, val);
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if (rows_affected==0) {
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rows_affected=db_insert_into(local_storage_filename, key, val);
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}
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// DBG(log, "UPD ROWS: %d KEY: %s VAL: %s",rows_affected,key,val);
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}
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static void
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mjs_localstorage_getitem(js_State *J)
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{
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
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#endif
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const char *key = js_tostring(J, 1);
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if (!key) {
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js_pushnull(J);
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return;
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}
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char *val = readFromStorage(key);
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if (!val) {
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js_pushnull(J);
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return;
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}
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js_pushstring(J, val);
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mem_free(val);
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}
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static void
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mjs_localstorage_removeitem(js_State *J)
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{
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
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#endif
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const char *key = js_tostring(J, 1);
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if (key) {
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removeFromStorage(key);
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}
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js_pushundefined(J);
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}
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static void
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mjs_localstorage_setitem(js_State *J)
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{
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
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#endif
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struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)js_getcontext(J);
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const char *key_str = js_tostring(J, 1);
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const char *val_str = js_tostring(J, 2);
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if (!key_str || !val_str)
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{
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js_pushundefined(J);
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return;
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}
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saveToStorage(key_str, val_str);
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#ifdef CONFIG_LEDS
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set_led_value(interpreter->vs->doc_view->session->status.ecmascript_led, 'J');
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#endif
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js_pushundefined(J);
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}
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static void
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mjs_localstorage_toString(js_State *J)
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{
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
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#endif
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js_pushstring(J, "[localstorage object]");
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}
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int
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mjs_localstorage_init(js_State *J)
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{
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js_newobject(J);
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{
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addmethod(J, "localStorage.getItem", mjs_localstorage_getitem, 1);
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addmethod(J, "localStorage.removeItem", mjs_localstorage_removeitem, 1);
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addmethod(J, "localStorage.setItem", mjs_localstorage_setitem, 2);
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addmethod(J, "localStorage.toString", mjs_localstorage_toString, 0);
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}
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js_defglobal(J, "localStorage", JS_DONTENUM);
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return 0;
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}
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