[FL-1643] NFC emv assets (#661)

* assets: add EMV AID table for NFC app
* file-worker: add searching for value by the key
* nfc: add emv parser helpers
* assets: add country and currency codes
* nfc: add country and currency code parsing
* emv_decoder: add country and currency code support
* nfc: add AID. currency and country display
* nfc: rework bank_card view
* nfc: add currency and country save
* assets: change emv chip asset
* nfc: change asset in bank card
* gui: add frame element to widget
* nfc: add bank card frame, add documentation
* rfal: fix long APDU command emulation
* nfc: fix typos
* Scripts ReadMe: assets delivery command

Co-authored-by: あく <alleteam@gmail.com>
Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com>

lib/app-scened-template/file-worker-cpp.cpp

@@ -71,6 +71,10 @@ bool FileWorkerCpp::read_until_buffered(string_t str_result, char* file_buf, siz
     return file_worker_read_until_buffered(file_worker, str_result, file_buf, file_buf_cnt, max_length, separator);
 }
 
+bool FileWorkerCpp::get_value_from_key(string_t key, char delimiter, string_t value) {
+    return file_worker_get_value_from_key(file_worker, key, delimiter, value);
+}
+
 bool FileWorkerCpp::is_file_exist(const char* filename, bool* exist) {
     return file_worker_is_file_exist(file_worker, filename, exist);
 }

lib/app-scened-template/file-worker-cpp.h

@@ -143,6 +143,17 @@ public:
      */
     bool read_until_buffered(string_t str_result, char* file_buf, size_t* file_buf_cnt, size_t max_length, char separator = '\n');
 
+    /**
+     * @brief Gets value from key
+     *
+     * @param file_worker FileWorker instance
+     * @param key key
+     * @param delimeter key-value delimeter
+     * @param value value for given key
+     * @return true on success
+     */
+    bool get_value_from_key(string_t key, char delimiter, string_t value);
+
     /**
      * @brief Check whether file exist or not
      *

lib/app-scened-template/file-worker.c

@@ -355,6 +355,34 @@ bool file_worker_read_until_buffered(
     return string_size(str_result) || *file_buf_cnt;
 }
 
+bool file_worker_get_value_from_key(FileWorker* file_worker, string_t key, char delimiter, string_t value) {
+    bool found = false;
+    string_t next_line;
+    string_t next_key;
+    string_init(next_line);
+    string_init(next_key);
+    size_t delim_pos = 0;
+
+    while(file_worker_read_until(file_worker, next_line, '\n')) {
+        delim_pos = string_search_char(next_line, delimiter);
+        if(delim_pos == STRING_FAILURE) {
+            break;
+        }
+        string_set_n(next_key, next_line, 0, delim_pos);
+        if(string_equal_p(next_key, key)) {
+            string_right(next_line, delim_pos);
+            string_strim(next_line);
+            string_set(value, next_line);
+            found = true;
+            break;
+        }
+    }
+
+    string_clear(next_line);
+    string_clear(next_key);
+    return found;
+}
+
 bool file_worker_rename(FileWorker* file_worker, const char* old_path, const char* new_path) {
     FS_Error fs_result = storage_common_rename(file_worker->api, old_path, new_path);
 

lib/app-scened-template/file-worker.h

@@ -185,6 +185,17 @@ bool file_worker_read_until_buffered(
     size_t max_length,
     char separator);
 
+/**
+ * @brief Gets value from key
+ *
+ * @param file_worker FileWorker instance
+ * @param key key
+ * @param delimeter key-value delimeter
+ * @param value value for given key
+ * @return true on success
+ */
+bool file_worker_get_value_from_key(FileWorker* file_worker, string_t key, char delimiter, string_t value);
+
 /**
  * @brief Check whether file exist or not
  *