[Kst] kdeextragear-2/kst/kst/datasources/planck

[George Staikos]

CVS commit by staikos: 

some utility functions to be used later


  M +2 -1      planck.cpp   1.35
  M +50 -1     planckobj.cpp   1.26
  M +5 -0      planckobj.h   1.8


--- kdeextragear-2/kst/kst/datasources/planck/planck.cpp  #1.34:1.35
@@ -229,6 +229,7 @@ bool PlanckSource::isEmpty() const {
 
 
+
 bool PlanckSource::supportsTimeConversions() const {
-  return true;
+  return _fieldList.contains("TIMES_OF_SAMPLES") || _fieldList.contains("TIMESEC");
 }
 

--- kdeextragear-2/kst/kst/datasources/planck/planckobj.cpp  #1.25:1.26
@@ -36,5 +37,5 @@ using namespace Planck;
 class Planck::ObjectGroup {
   friend class Object;
-  protected:
+  public:
     ObjectGroup();
     ~ObjectGroup();
@@ -57,4 +58,51 @@ class Planck::ObjectGroup {
 
 
+Planck::TimeType Object::typeOfTime() {
+  PIOParseData MyData, MyDataFlag;
+  PIOObject *obj = 0L;
+  char range[128];
+  Planck::ObjectGroup *g = _groupInfo[_group];
+  snprintf(range, 127, "Begin=%ld\nEnd=%ld", *g->firstIndex, *g->lastIndex);
+
+  long n = PIORead_1(const_cast<char*>("TIMES_OF_SAMPLES"), const_cast<char*>("Written"), const_cast<char*>("PIODOUBLE"), range, &g->_group, &obj, &MyData, &MyDataFlag);
+
+  if (n != 1) {
+    n = PIORead_1(const_cast<char*>("TIMESEC"), const_cast<char*>("Written"), const_cast<char*>("PIODOUBLE"), range, &g->_group, &obj, &MyData, &MyDataFlag);
+    if (n != 1) {
+      return Planck::Unknown;
+    } else {
+      return Planck::TimeSec;
+    }
+  }
+  return Planck::TimesOfSamples;
+}
+
+
+double Object::fetchTimePoint(long indx) {
+  PIOLONG idx = indx;
+  PIOParseData MyData, MyDataFlag;
+  PIOObject *obj = 0L;
+  char range[128];
+  long n;
+  snprintf(range, 127, "Begin=%ld\nEnd=%ld", (long)idx, (long)idx);
+  double buf[1];
+  Planck::ObjectGroup *g = _groupInfo[_group];
+  static PIOFLAG Mask[1];
+
+  switch (_tt) {
+    case Planck::TimeSec:
+      n = PIORead_1(const_cast<char*>("TIMESEC"), const_cast<char*>("Written"), const_cast<char*>("PIODOUBLE"), range, &g->_group, &obj, &MyData, &MyDataFlag);
+      PIORead_2(buf, 0L, Mask, const_cast<char*>("TIMESEC"), const_cast<char*>("PIODOUBLE"), range, const_cast<char*>("Written"), g->_group, &obj, &MyData, &MyDataFlag, PIOLONG(n));
+      break;
+    case Planck::TimesOfSamples:
+      n = PIORead_1(const_cast<char*>("TIMES_OF_SAMPLES"), const_cast<char*>("Written"), const_cast<char*>("PIODOUBLE"), range, &g->_group, &obj, &MyData, &MyDataFlag);
+      PIORead_2(buf, 0L, Mask, const_cast<char*>("TIMES_OF_SAMPLES"), const_cast<char*>("PIODOUBLE"), range, const_cast<char*>("Written"), g->_group, &obj, &MyData, &MyDataFlag, PIOLONG(n));
+      break;
+    default:
+      return NOPOINT;
+  }
+
+  return buf[0];
+}
 
 
@@ -63,4 +111,5 @@ Object::Object() : Source() {
   kdDebug() << ">>>>>>>>>  Object created " << (void*)this << endl;
 #endif
+  _tt = Undetermined;
 }
 

--- kdeextragear-2/kst/kst/datasources/planck/planckobj.h  #1.7:1.8
@@ -25,4 +25,5 @@
 
 namespace Planck {
+    enum TimeType { Undetermined = -1, Unknown = 0, TimeSec = 1, TimesOfSamples = 2 };
 
 class ObjectGroup;
@@ -46,8 +47,12 @@ class Object : public Source {
     virtual QSize range(const QString& object) const;
 
+    TimeType typeOfTime();
+    double fetchTimePoint(long);
+
   private:
     // We lazy load the groups, hence mutable
     mutable QMap<QString, ObjectGroup*> _groupInfo;
     ObjectGroup *findGroup(const QString& group) const;
+    TimeType _tt;
 };