pvData: added C api test

2012-07-19 14:22:37 +01:00
parent 022e6304a3
commit 038567280b
4 changed files with 124 additions and 0 deletions
@@ -0,0 +1,81 @@
+#include <pv/pvData.h>
+#include <pv/standardField.h>
+#include <pv/standardPVField.h>
+
+using namespace epics::pvData;
+
+struct StructureHandle
+{
+    StructureConstPtr s;
+    StructureHandle(StructureConstPtr s) : s(s) {}
+};
+
+extern "C"
+{
+    void * createTest()
+    {
+        FieldCreatePtr fieldCreate = getFieldCreate();
+        PVDataCreatePtr pvDataCreate = getPVDataCreate();
+        FieldConstPtrArray  fields;
+        StringArray fieldNames;
+        fields.push_back(fieldCreate->createScalar(pvString));
+        fields.push_back(fieldCreate->createScalarArray(pvDouble));
+        fieldNames.push_back("name");
+        fieldNames.push_back("value");
+        StructureConstPtr s = fieldCreate->createStructure(fieldNames, fields);
+        StructureHandle * sh = new StructureHandle(s);
+        return (void *)sh;
+    }
+
+    int getNumberFields(void * handle)
+    {
+        StructureHandle * sh = (StructureHandle *)handle;
+        return sh->s->getNumberFields();
+    }
+
+    const char * getFieldName(void * handle, int n)
+    {
+        StructureHandle * sh = (StructureHandle *)handle;
+        return sh->s->getFieldNames()[n].c_str();
+    }
+
+    int getFieldType(void * handle, const char * name)
+    {
+        StructureHandle * sh = (StructureHandle *)handle;
+        /* api missing const for getField(size_t) so have to use name */
+        return sh->s->getField(name)->getType();
+    }
+
+    int getScalarType(void * handle, const char * name)
+    {
+        StructureHandle * sh = (StructureHandle *)handle;
+        FieldConstPtr f = sh->s->getField(name);
+        if(f->getType() == scalar)
+        {
+            ScalarConstPtr sp = std::tr1::static_pointer_cast<const Scalar>(f);
+            return sp->getScalarType();
+        }
+        else
+        {
+            return -1;
+        }
+    }
+
+    int getElementType(void * handle, const char * name)
+    {
+        StructureHandle * sh = (StructureHandle *)handle;
+        FieldConstPtr f = sh->s->getField(name);
+        if(f->getType() == scalarArray)
+        {
+            ScalarArrayConstPtr sp = std::tr1::static_pointer_cast<const ScalarArray>(f);
+            return sp->getElementType();
+        }
+        else
+        {
+            return -1;
+        }
+    }
+
+};
+
+