/// <summary>
/// Save specific jpeg marker into result array
/// </summary>
/// <param name="array"></param>
/// <param name="ms"></param>
/// <param name="markerName"></param>
/// <returns></returns>
private static bool SaveMarker(ref PhpArray array, Stream ms, string markerName)
{
int markerLength;
byte[] buffer;
markerLength = ReadMarkerSize(ms);
if (markerLength < 2)
{
return false;
}
markerLength -= 2; // length includes itself
buffer = new byte[markerLength];
ms.Read(buffer, 0, markerLength);
if (!array.Contains(markerName))
{
array.Add(markerName, new PhpBytes(buffer));
}
return true;
}
/// <summary>
/// Adds a key-value pair into a <see cref="PhpArray"/>. If a value with the same key already exists,
/// a nested <see cref="PhpArray"/> containing all values with this key is created.
/// </summary>
/// <param name="array">The array to add the pair to.</param>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
private static void AddValue(PhpArray array, object key, string value)
{
if (!array.Contains(key)) array.Add(key, value);
else
{
object old_value = array[key];
PhpArray nested_array = old_value as PhpArray;
if (nested_array != null) nested_array.Add(value);
else
{
nested_array = new PhpArray();
nested_array.Add(old_value);
nested_array.Add(value);
array[key] = nested_array;
}
}
}
