added mechanism to strip unnecessary backslashes from Home App JSON

Apple "escapes" forward slashes in JSON output, replacing '/' with '\/', which destroys base64 strings.

src/HomeSpan.cpp

@@ -2007,7 +2007,7 @@ StatusCode SpanCharacteristic::loadUpdate(char *val, char *ev, boolean wr){
     case STRING:
     case DATA:
     case TLV_ENC:
-      uvSet(newValue,(const char *)val);
+      uvSet(newValue,(const char *)stripBackslash(val));
       break;
 
     default:

src/Utils.cpp

@@ -73,6 +73,20 @@ char *Utils::readSerial(char *c, int max){
 
 //////////////////////////////////////
 
+char *Utils::stripBackslash(char *c){
+
+  size_t n=strlen(c);
+  char *p=c;
+  for(int i=0;i<=n;i++){
+    *p=c[i];
+    if(*p!='\\')
+      p++;
+  }
+  return(c);  
+}
+
+//////////////////////////////////////
+
 String Utils::mask(char *c, int n){
   String s="";
   int len=strlen(c);

src/Utils.h

@@ -35,7 +35,7 @@ namespace Utils {
 
 char *readSerial(char *c, int max);   // read serial port into 'c' until <newline>, but storing only first 'max' characters (the rest are discarded)
 String mask(char *c, int n);          // simply utility that creates a String from 'c' with all except the first and last 'n' characters replaced by '*'
-  
+char *stripBackslash(char *c);        // strips backslashes out of c (Apple unecessesarily "escapes" forward slashes in JSON)  
 }
 
 /////////////////////////////////////////////////

src/src.ino

@@ -49,7 +49,7 @@ struct HomeSpanTV : Service::Television {
 
       for(int i=0;i<sizeof(order)/sizeof(uint32_t);i++){
         if(i>0)
-          orderTLV.add(0);
+          orderTLV.add(6);
         orderTLV.add(1,sizeof(uint32_t),(uint8_t*)(order+i));
       }
 
@@ -117,6 +117,7 @@ struct HomeSpanTV : Service::Television {
     HomeSpanTV *hsTV=(HomeSpanTV *)arg;
     hsTV->tvname->setString("New Name");
     Serial.printf("Reset TV Name to '%s'\n",hsTV->tvname->getString());
+    Serial.printf("Showing displayOrder '%s'\n",hsTV->displayOrder->getString());
   }
 
   static void changeOrder(const char *buf, void *arg){
@@ -128,12 +129,12 @@ struct HomeSpanTV : Service::Television {
     orderTLV.print();
     orderTLV.wipe();
     
-    uint32_t order[]={12,10,6,2,1,9,11,3,18,5};
+    uint8_t order[]={12,10,6,2,1,9,11,3,18,5};
 
-    for(int i=0;i<sizeof(order)/sizeof(uint32_t);i++){
+    for(int i=0;i<sizeof(order)/sizeof(uint8_t);i++){
       if(i>0)
         orderTLV.add(0);
-      orderTLV.add(1,sizeof(uint32_t),(uint8_t*)(order+i));
+      orderTLV.add(1,sizeof(uint8_t),(uint8_t*)(order+i));
     }
 
     Serial.printf("AFTER:\n");