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JS: Add storage.append()

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Willy-JL
2024-03-12 06:15:09 +00:00
parent b47b43bfb9
commit 66dc7e9aa9
2 changed files with 34 additions and 1 deletions
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5
applications/system/js_app/examples/apps/Scripts/storage.js
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@@ -4,10 +4,13 @@ let path = "/ext/storage.test";
print("File exists:", storage.exists(path));
print("Writing...");
storage.write(path, "Hello World!");
storage.write(path, "Hello ");
print("File exists:", storage.exists(path));
// Append will create the file even if it doesnt exist!
storage.append(path, "World!");
print("Reading...");
let data = storage.read(path);
print(data);

30
applications/system/js_app/modules/js_storage.c
View File

@@ -108,6 +108,35 @@ static void js_storage_write(struct mjs* mjs) {
storage_file_free(file);
}
static void js_storage_append(struct mjs* mjs) {
JsStorageInst* storage = get_this_ctx(mjs);
if(!check_arg_count(mjs, 2)) return;
const char* path;
if(!get_path_arg(mjs, &path)) return;
mjs_val_t data_obj = mjs_arg(mjs, 1);
if(!mjs_is_string(data_obj)) {
ret_bad_args(mjs, "Data must be a string");
return;
}
size_t data_len = 0;
const char* data = mjs_get_string(mjs, &data_obj, &data_len);
if((data_len == 0) || (data == NULL)) {
ret_bad_args(mjs, "Bad data argument");
return;
}
File* file = storage_file_alloc(storage->api);
if(!storage_file_open(file, path, FSAM_WRITE, FSOM_OPEN_APPEND)) {
ret_int_err(mjs, storage_file_get_error_desc(file));
} else {
size_t write = storage_file_write(file, data, data_len);
mjs_return(mjs, mjs_mk_boolean(mjs, write == data_len));
}
storage_file_free(file);
}
static void js_storage_exists(struct mjs* mjs) {
JsStorageInst* storage = get_this_ctx(mjs);
if(!check_arg_count(mjs, 1)) return;
@@ -194,6 +223,7 @@ static void* js_storage_create(struct mjs* mjs, mjs_val_t* object) {
mjs_set(mjs, storage_obj, INST_PROP_NAME, ~0, mjs_mk_foreign(mjs, storage));
mjs_set(mjs, storage_obj, "read", ~0, MJS_MK_FN(js_storage_read));
mjs_set(mjs, storage_obj, "write", ~0, MJS_MK_FN(js_storage_write));
mjs_set(mjs, storage_obj, "append", ~0, MJS_MK_FN(js_storage_append));
mjs_set(mjs, storage_obj, "exists", ~0, MJS_MK_FN(js_storage_exists));
mjs_set(mjs, storage_obj, "remove", ~0, MJS_MK_FN(js_storage_remove));
mjs_set(mjs, storage_obj, "virtualInit", ~0, MJS_MK_FN(js_storage_virtual_init));