From 8ac42950d52a406979ff742eb22f047791c7beca Mon Sep 17 00:00:00 2001
From: heck <heck@pep.foundation>
Date: Sun, 25 Apr 2021 02:20:42 +0200
Subject: [PATCH] utils.cc - add to_cxx() for idenitylist, is_c_str_empty()

---
 src/utils.cc | 22 ++++++++++++++++++++++
 src/utils.hh |  7 +++++++
 2 files changed, 29 insertions(+)

diff --git a/src/utils.cc b/src/utils.cc
index bf58274..4eaa524 100644
--- a/src/utils.cc
+++ b/src/utils.cc
@@ -17,6 +17,28 @@ using namespace pEp;
 
 namespace pEp {
     namespace Utils {
+        std::vector<::pEp_identity *> to_cxx(const ::identity_list &idl)
+        {
+            vector<pEp_identity *> ret{};
+            for (const ::identity_list *curr = &idl; curr != nullptr; curr = curr->next) {
+                if(curr->ident) {
+                    ret.push_back(curr->ident);
+                }
+            }
+            return ret;
+        }
+
+        bool is_c_str_empty(const char *str)
+        {
+            if (str == nullptr) {
+                return true;
+            }
+            string tmp{ str };
+            if (tmp.empty()) {
+                return true;
+            }
+            return false;
+        }
 
         string to_string(const ::pEp_identity *const ident, bool full, int indent)
         {
diff --git a/src/utils.hh b/src/utils.hh
index ba02a13..037a327 100644
--- a/src/utils.hh
+++ b/src/utils.hh
@@ -10,9 +10,16 @@
 #include <pEp/identity_list.h>
 #include <pEp/group.h>
 #include <exception>
+#include <vector>
 
 namespace pEp {
     namespace Utils {
+        // C-types to C++ types
+        std::vector<::pEp_identity *> to_cxx(const ::identity_list &idl);
+
+        // C-types helpers
+        bool is_c_str_empty(const char *str);
+
         // pEpEngine datatypes to string
         std::string to_string(const ::pEp_identity *const ident, bool full = true, int indent = 0);
         std::string to_string(const ::identity_list *const idl, bool full = true, int indent = 0);