From 69893640a355baa906716f8027c6ce37466d1b62 Mon Sep 17 00:00:00 2001
From: Martin Preuss <martin@aquamaniac.de>
Date: Fri, 17 May 2024 20:34:31 +0200
Subject: [PATCH] aqhome: added function AQH_Vars_ReplaceVars()

---
 aqhome/data/vars.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++
 aqhome/data/vars.h |  4 ++++
 2 files changed, 51 insertions(+)

diff --git a/aqhome/data/vars.c b/aqhome/data/vars.c
index 033fe90..175885c 100644
--- a/aqhome/data/vars.c
+++ b/aqhome/data/vars.c
@@ -18,6 +18,7 @@
 #include <gwenhywfar/misc.h>
 #include <gwenhywfar/debug.h>
 #include <gwenhywfar/buffer.h>
+#include <gwenhywfar/text.h>
 
 
 
@@ -37,6 +38,7 @@ static AQH_VARS *_getPath(AQH_VARS *vt, const char *s, uint32_t flags);
 static void *_pathHandlerFn(const char *entry, void *data, int idx, uint32_t flags);
 static AQH_VARS *_getNodeByTypeAndName(const AQH_VARS *vt, AQH_VARS_DATATYPE dt, const char *name, int idx);
 static void _dumpElement(const AQH_VARS *vt, int indent, GWEN_BUFFER *dbuf);
+static int GWENHYWFAR_CB _replaceVarsCb(void *cbPtr, const char *name, int index, int maxLen, GWEN_BUFFER *dstBuf);
 
 
 
@@ -631,6 +633,51 @@ void _dumpElement(const AQH_VARS *vt, int indent, GWEN_BUFFER *dbuf)
 
 
 
+int AQH_Vars_ReplaceVars(AQH_VARS *vars, const char *s, GWEN_BUFFER *dbuf)
+{
+  int rv;
+
+  rv=GWEN_Text_ReplaceVars(s, dbuf, _replaceVarsCb, vars);
+  if (rv<0) {
+    DBG_INFO(AQH_LOGDOMAIN, "here (%d)", rv);
+    return rv;
+  }
+  return 0;
+}
+
+
+
+int GWENHYWFAR_CB _replaceVarsCb(void *cbPtr, const char *name, int index, GWEN_UNUSED int maxLen, GWEN_BUFFER *dstBuf)
+{
+  AQH_VARS *vars;
+  AQH_VARS *vtVariable;
+
+  vars=(AQH_VARS*) cbPtr;
+  vtVariable=_getPath(vars, name, AQH_PATH_FLAGS_PATHMUSTEXIST | AQH_PATH_FLAGS_VARIABLE);
+  if (vtVariable) {
+    AQH_VARS *vtValue;
+
+    vtValue=_getValueNodeByIdx(vtVariable, index);
+    if (vtValue) {
+      switch(vtValue->dataType) {
+        case AQH_Vars_DataType_ValueString: GWEN_Buffer_AppendArgs(dstBuf, "%s", vtValue->data.dataString); return 0;
+        case AQH_Vars_DataType_ValueInt:    GWEN_Buffer_AppendArgs(dstBuf, "%d", vtValue->data.dataInt);    return 0;
+        case AQH_Vars_DataType_ValueDouble: GWEN_Buffer_AppendArgs(dstBuf, "%f", vtValue->data.dataDouble); return 0;
+        case AQH_Vars_DataType_Unknown:
+        case AQH_Vars_DataType_Group:
+        case AQH_Vars_DataType_Variable:
+          break;
+      }
+      DBG_ERROR(AQH_LOGDOMAIN, "Unexpected data type \"%d\" (%s)", vtValue->dataType, AQH_Vars_DataTypeToString(vtValue->dataType));
+      return GWEN_ERROR_INVALID;
+    }
+  }
+
+  return 0;
+}
+
+
+
 
 #include "./vars-t.c"
 
diff --git a/aqhome/data/vars.h b/aqhome/data/vars.h
index 67b1fa1..4ba73f1 100644
--- a/aqhome/data/vars.h
+++ b/aqhome/data/vars.h
@@ -12,6 +12,7 @@
 #include <aqhome/api.h>
 
 #include <gwenhywfar/tree2.h>
+#include <gwenhywfar/buffer.h>
 
 
 #define AQH_VARS_PATHFLAGS_OVERWRITE_VARS      0x0001
@@ -82,6 +83,9 @@ AQHOME_API int AQH_Vars_GetIntValue(AQH_VARS *vt, const char *path, int idx, int
 
 AQHOME_API int AQH_Vars_SetDoubleValue(AQH_VARS *vt, uint32_t flags, const char *path, double value);
 AQHOME_API double AQH_Vars_GetDoubleValue(AQH_VARS *vt, const char *path, int idx, double defaultValue);
+
+AQHOME_API int AQH_Vars_ReplaceVars(AQH_VARS *vars, const char *s, GWEN_BUFFER *dbuf);
+
 /*@}*/