internal ZDictionary(Story story, ZText ztext)
{
this.story = story;
this.ztext = ztext;
this.address = Header.ReadDictionaryAddress(story.Memory);
var reader = new MemoryReader(story.Memory, address);
int wordSepCount = reader.NextByte();
this.wordSeparators = reader.NextBytes(wordSepCount).ConvertAll(b => (char)b).AsReadOnly();
int entryLength = reader.NextByte();
int entryCount = reader.NextWord();
int zwordsSize = story.Version <= 3 ? 2 : 3;
int dataSize = entryLength - (zwordsSize * 2);
this.entries = new List <ZDictionaryEntry>(entryCount);
for (int i = 0; i < entryCount; i++)
{
var entryAddress = reader.Address;
var entryZWords = reader.NextWords(zwordsSize);
var entryData = reader.NextBytes(dataSize);
var entryZText = ztext.ZWordsAsString(entryZWords, ZTextFlags.All);
entries.Add(new ZDictionaryEntry(entryAddress, i, entryZWords, entryZText, entryData));
}
}
public void NextBytesWorksAsExpectedFromDifferentIndex()
{
byte[] bytes = { 0xff, 0x00, 0x0f, 0xf0, 0xff, 0x00, 0x0f, 0xf0 };
var reader = new MemoryReader(bytes, 4);
byte[][] expected =
{
new byte[] { 0xff, 0x00 },
new byte[] { 0x0f, 0xf0 },
new byte[] { 0xff, 0x00 },
new byte[] { 0x0f, 0xf0 }
};
for (int i = 2; i < expected.Length; i++)
{
var b = reader.NextBytes(2);
Assert.That(b, Is.EqualTo(expected[i]));
}
Assert.That(reader.Address, Is.EqualTo(reader.Size));
Assert.That(() =>
reader.NextBytes(2),
Throws.InstanceOf <InvalidOperationException>());
}