From: Mateusz Piórkowski <mati7337@protonmail.ch>
Date: Fri, 4 Mar 2022 18:23:45 +0000 (+0100)
Subject: script: add String.Length function
X-Git-Tag: 23.51.283~96^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=29c1511738e4a2dc610e8ffca33fcf4252205cc3;p=thirdparty%2Fplymouth.git

script: add String.Length function

Add String.Length function which returns the length of a string.
It will make it possible to get the number of bullets from the
display prompt callback inside scripts.
---

diff --git a/src/plugins/splash/script/script-lib-string.c b/src/plugins/splash/script/script-lib-string.c
index 6fb5e7d7..2529b21d 100644
--- a/src/plugins/splash/script/script-lib-string.c
+++ b/src/plugins/splash/script/script-lib-string.c
@@ -89,6 +89,15 @@ static script_return_t script_lib_string_sub_string (script_state_t *state,
         return script_return_obj (substring_obj);
 }
 
+static script_return_t script_lib_string_length (script_state_t *state,
+                                                 void           *user_data)
+{
+        char *text = script_obj_as_string (state->this);
+        size_t text_length = strlen(text);
+        free (text);
+        return script_return_obj (script_obj_new_number (text_length));
+}
+
 script_lib_string_data_t *script_lib_string_setup (script_state_t *state)
 {
         script_lib_string_data_t *data = malloc (sizeof(script_lib_string_data_t));
@@ -108,6 +117,11 @@ script_lib_string_data_t *script_lib_string_setup (script_state_t *state)
                                     "start",
                                     "end",
                                     NULL);
+        script_add_native_function (string_hash,
+                                    "Length",
+                                    script_lib_string_length,
+                                    NULL,
+                                    NULL);
         script_obj_unref (string_hash);
         data->script_main_op = script_parse_string (script_lib_string_string, "script-lib-string.script");
         script_return_t ret = script_execute (state, data->script_main_op);