/// <summary>
/// Parses a string to a HFA dictionary.
/// </summary>
/// <param name="dictionary">The dictionary string.</param>
/// <returns>The produced dictionary.</returns>
/// <exception cref="ArgumentNullException">The dictionary string is null.</exception>
public static HfaDictionary Parse(String dictionary)
{
if (dictionary == null)
{
throw new ArgumentNullException(nameof(dictionary), "The dictionary string is null.");
}
HfaDictionary result = new HfaDictionary();
Int32 startIndex = 0;
while (startIndex < dictionary.Length && !dictionary[startIndex].Equals('.'))
{
Int32 length = GetObjectLength(dictionary, startIndex);
EhfaStructureType structureType = EhfaStructureType.FromObjectDefinition(dictionary, startIndex, length, result);
if (structureType == null)
{
continue;
}
result.Add(structureType.ItemName, structureType);
startIndex += length;
}
return(result);
}
/// <summary>
/// Reads the file header.
/// </summary>
private void ReadHeader()
{
EhfaStructure header = new EhfaStructure(EhfaStructureType.EhfaHeaderTagType);
header.Read(BaseStream);
Int32 headerLocation = header.GetValue <Int32>("headerPtr");
BaseStream.Seek(headerLocation, SeekOrigin.Begin);
EhfaStructure rootFile = new EhfaStructure(EhfaStructureType.EhfaFileType);
rootFile.Read(BaseStream);
Int32 dictionaryLocation = rootFile.GetValue <Int32>("dictionaryPtr");
Int32 rootEntryLocation = rootFile.GetValue <Int32>("rootEntryPtr");
BaseStream.Seek(dictionaryLocation, SeekOrigin.Begin);
_dictionary = HfaDictionary.Parse(ReadDictionaryString());
BaseStream.Seek(rootEntryLocation, SeekOrigin.Begin);
_rootEntry = new EhfaEntry(_dictionary["Ehfa_Entry"], _dictionary);
_rootEntry.Read(BaseStream);
}
