safety modification to reader and dictionary. The program halts if re…

…ader is not opened and readDictionary is called. Same thing happens (halt) when non existing schema was requested from dictionary.

hipo4/dictionary.h

@@ -135,7 +135,13 @@ class schema {
     std::vector<std::string> getSchemaList();
     void    addSchema(schema sc){ factory[sc.getName()] = sc;}
     bool    hasSchema(const char *name) { return (factory.count(name)!=0);}
-    schema &getSchema(const char *name){ return factory[name];}
+    schema &getSchema(const char *name){ 
+      if(factory.count(name)==0){
+        printf("\n\nhipo::dictionary (ERROR) schema {%s} does not exist... exiting\n\n",name);
+           exit(0);
+      }
+      return factory[name];
+    }
     bool    parse(const char *schemaString);
     void    show();
   };

hipo4/reader.cpp

@@ -268,6 +268,10 @@ void  reader::getStructureNoCopy(hipo::structure &structure,int group, int item)
  * @param dict - reference to dictionary object.
  */
 void  reader::readDictionary(hipo::dictionary &dict){
+  if(inputStream.is_open()==false){
+    printf("\n\nhipo::reader (ERROR) file is not open.... exiting...\n\n");
+    exit(0);
+  }
   long position = header.headerLength*4;
   hipo::record  dictRecord;
   dictRecord.readRecord(inputStream,position,0);

hipo4/reader.h

@@ -118,7 +118,8 @@
 
 namespace hipo {
 
-  typedef struct fileHeader_t {
+  //  typedef struct fileHeader_t {
+ struct fileHeader_t {
     int  uniqueid{};
     int  filenumber{};
     int  headerLength{}; // in words (usually 14)
@@ -131,16 +132,17 @@ namespace hipo {
     long userRegister{};
     long trailerPosition{};
     long firstRecordPosition{};
-  } fileHeader_t;
+ };// fileHeader_t;
 
 
-  typedef struct recordInfo_t {
+  //  typedef struct recordInfo_t {
+  struct recordInfo_t {
       long recordPosition{};
       int  recordLength{};
       int  recordEntries{};
       long userWordOne{};
       long userWordTwo{};
-  } recordInfo_t;
+  };// recordInfo_t;
 
 
   /**