private bool checkEntityStart(DataBlock dataBlock)
{
string relationChild;
string name = dataBlock.eatShortString();
if (dataBlock.eatPlausibleString(out relationChild) == false)
return false;
if (relationChild != "")
{
// if (eatPlausibleString(out relationParent) == false)
// return false;
}
string description;
string indexfilename;
if (dataBlock.eatPlausibleString(out description, false) == false)
return false;
if (dataBlock.eatPlausibleString(out indexfilename, false) == false)
return false;
return description.EndsWith(".ptr") ||
indexfilename.EndsWith(".ptr");
}
public Entity ParseEntity(DataBlock dataBlock, string entity, string parent)
{
var e = new Entity();
e.rootPath = rootPath;
// construye el encabezado esperable
var block = dataBlock.makeStringBlock(entity);
var blockParent = dataBlock.makeStringBlock(parent);
byte[] full;
if (parent != "")
full = dataBlock.addArrays(block, block, blockParent);
else
full = dataBlock.addArrays(block, blockParent);
if (dataBlock.moveTo(full) == false)
throw new Exception("Sequence not found.");
// lee la entidad
e.Name = dataBlock.eatShortString();
e.RelationChild = dataBlock.eatShortString();
if (e.RelationChild != "")
e.RelationParent = dataBlock.eatShortString();
e.Description = dataBlock.eatShortString();
e.IndexFilename = dataBlock.eatShortString();
e.s1 = dataBlock.eat16int();
if (e.IndexFilename != "")
{
e.CodesVariable = dataBlock.eatShortString();
e.LabelVariable = dataBlock.eatShortString();
e.Level = dataBlock.eat32int();
e.b1 = dataBlock.eatByte();
//e.VariableCount = no es confiable...que guarde rangos... eat32int();
// en base al count de variables, que busque los "dataset"
while (true)
{
Variable v = ParseVariable(dataBlock, e);
if (v != null)
e.Variables.Add(v);
else
break;
}
}
e.VariableCount = e.Variables.Count;
return e;
}
private Variable ParseVariable(DataBlock dataBlock, Entity e)
{
// lee las variables
if (JumptToDataSet(dataBlock) == false)
return null;
Variable v = new Variable(e);
v.Name = dataBlock.eatShortString();
v.Declaration = dataBlock.eatShortString();
v.Filter = dataBlock.eatShortString();
v.Range = dataBlock.eatShortString();
v.Type = dataBlock.eatShortString();
v.ValuesLabelsRaw = dataBlock.eatShortString();
v.Label = dataBlock.eatShortString();
v.Group = dataBlock.eatShortString();
v.ParseDeclaration();
v.ParseValueLabels();
v.ParseMissingAndPrecision();
return v;
}
private void ProcessOcurrence(DataBlock dataBlock, List<Entity> leaves, List<Entity> entitiesNames)
{
if (dataBlock.moveBackString() == -1)
return;
int keepN = dataBlock.n;
string child = dataBlock.eatShortString();
dataBlock.n = keepN;
if (entitiesNames.Count > 0 && entitiesNames[entitiesNames.Count - 1].Name == child)
return;
if (dataBlock.IsText(child) == false || child == "") return;
// avanzó ok...
List<Entity> names = new List<Entity>();
TryEntities(dataBlock, child, names);
if (names.Count > 0)
leaves.AddRange(names);
}