/// <summary>
/// Returns an array of the indicies of the locations of desired attributes
/// </summary>
/// <param name="attr">The attributes for which we are finding the indicies</param>
/// <param name="elements">The GBase elements that show the structure of data</param>
/// <returns>An array of indicies parallel to the desired attributes, specifying where they are in the structure</returns>
public int[] GetIndiciesOfAttributesFromGBaseElements(String[] attr, GBaseElement[] elements)
{
int[] result = new int[attr.Length]; // Make a new array that will store the indicies
for (int k = 0; k < attr.Length; k++) // For all elements in attributes
for (int i = 0; i < elements.Length; i++) // For all elements in elements
if (elements[i].Name == attr[k]) // If we find the location of the corrisponding element in the structure
result[k] = i; // Then add it to the array
return result; // Return the array
}
/// <summary>
/// Converts an array of GBaseElements into a string (by element name)
/// </summary>
/// <param name="elements">What to convert</param>
/// <returns>An array of strings converted from the GBase elements</returns>
private String[] GBaseElementsToStrings(GBaseElement[] elements)
{
String[] temp = new String[elements.Length]; // Make a new string array to hold the values
for (int i = 0; i < elements.Length; i++) // For each thing in elements
temp[i] = elements[i].Name; // Add that thing to the temp string array
return temp; // Return the temp string array
}
/// <summary>
/// Makes sure that the passed attributes are a subset of the passed elements
/// </summary>
/// <param name="attr">What will be checked as a subset</param>
/// <param name="elements">What will be checked as a parent set</param>
/// <returns>True if the attributes are a subset, false elsewise</returns>
public bool AttrsSubsetOfFieldNames(String[] attr, GBaseElement[] elements)
{
return !attr.Except(GBaseElementsToStrings(elements)).Any(); // If the set difference doesn't have any elements (they are same) return true, else fails
}
/// <summary>
/// Sorts a given array of values in the order of the matching elements
/// </summary>
/// <param name="attrs">The attributes that corrispond to the values</param>
/// <param name="values">The values to be sorted</param>
/// <param name="elements">What is being sorted with dues to</param>
public void SortValuesDueToFieldNames(String[] attrs, ref String[] values, GBaseElement[] elements)
{
String[] temp = new String[elements.Length]; // Will store the values
for (int i = 0; i < elements.Length; i++) // Loop each element
{
for (int k = 0; k < attrs.Length; k++) // Foreach element find where it ought to go
{
if (attrs[k] == elements[i].Name)
temp[i] = values[k]; // Put it there (in temp)
}
}
values = temp; // Values becomes temp
}
