From eff9dba5e3c81f7cf2c7a41f4558d18743c2f2b1 Mon Sep 17 00:00:00 2001
From: Marco Capetta <mcapetta@sipwise.com>
Date: Wed, 3 Sep 2025 09:19:43 +0200
Subject: [PATCH] MT#63029 Add a new DSM function to GetStringToChar

It allows to split a string in an array of char for spelling
or other purposes.

Change-Id: Ia218740558e844d2b6b439006c557545b5f0f165
---
 apps/dsm/mods/mod_utils/ModUtils.cpp | 29 ++++++++++++++++++++++++++++
 apps/dsm/mods/mod_utils/ModUtils.h   |  1 +
 2 files changed, 30 insertions(+)

diff --git a/apps/dsm/mods/mod_utils/ModUtils.cpp b/apps/dsm/mods/mod_utils/ModUtils.cpp
index 5268c151..18900be5 100644
--- a/apps/dsm/mods/mod_utils/ModUtils.cpp
+++ b/apps/dsm/mods/mod_utils/ModUtils.cpp
@@ -50,6 +50,7 @@ MOD_ACTIONEXPORT_BEGIN(MOD_CLS_NAME) {
   DEF_CMD("utils.getCountLeft",   SCUGetCountLeftAction);
   DEF_CMD("utils.getCountRightNoSuffix",  SCUGetCountRightNoSuffixAction);
   DEF_CMD("utils.getCountLeftNoSuffix",   SCUGetCountLeftNoSuffixAction);
+  DEF_CMD("utils.getStringToChar",   SCUGetStringToCharAction);
 
   DEF_CMD("utils.getNewId", SCGetNewIdAction);
   DEF_CMD("utils.spell", SCUSpellAction);
@@ -545,6 +546,34 @@ EXEC_ACTION_START(SCUGetCountLeftNoSuffixAction) {
 } EXEC_ACTION_END;
 
 
+CONST_ACTION_3P(SCUGetStringToCharAction, ',', true);
+EXEC_ACTION_START(SCUGetStringToCharAction) {
+  unsigned int cnt = 0;
+  bool lower = false;
+
+  string str = resolveVars(par1, sess, sc_sess, event_params);
+
+  if (!par2.length()) {
+    ERROR("name of the destination array nor specified\n");
+    sc_sess->SET_ERRNO(DSM_ERRNO_UNKNOWN_ARG);
+    sc_sess->SET_STRERROR("name of the destination array nor specified\n");
+    return false;
+  }
+  string dst_array = (par2[0] == '$') ? par2.substr(1) : par2;
+
+  if (par3.length() && par3 == "true")
+    lower = true;
+
+  DBG("splitting to chars the string '%s'\n", str.c_str());
+
+  for (size_t i=0;i<str.length();i++) {
+    sc_sess->var[dst_array+"["+int2str(cnt)+"]"] = (lower) ? tolower(str[i]) : str[i];
+    cnt++;
+  }
+
+} EXEC_ACTION_END;
+
+
 EXEC_ACTION_START(SCGetNewIdAction) {
   string d = resolveVars(arg, sess, sc_sess, event_params);
   sc_sess->var[d]=AmSession::getNewId();
diff --git a/apps/dsm/mods/mod_utils/ModUtils.h b/apps/dsm/mods/mod_utils/ModUtils.h
index e5a2c55d..5b0e2f19 100644
--- a/apps/dsm/mods/mod_utils/ModUtils.h
+++ b/apps/dsm/mods/mod_utils/ModUtils.h
@@ -48,6 +48,7 @@ DEF_ACTION_2P(SCUGetCountRightAction);
 DEF_ACTION_2P(SCUGetCountLeftAction);
 DEF_ACTION_2P(SCUGetCountRightNoSuffixAction);
 DEF_ACTION_2P(SCUGetCountLeftNoSuffixAction);
+DEF_ACTION_3P(SCUGetStringToCharAction);
 
 DEF_ACTION_1P(SCGetNewIdAction);
 DEF_ACTION_2P(SCUSpellAction);