/// <summary>
/// Returns true when the given key is found and sets the value.
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <returns></returns>
public override bool TryGetValue(string key, out string value)
{
uint keyInt = _stringTable.Add(key); // TODO: this could be problematic, testing contains adds objects to string table.
foreach (var tagEncoded in _tagsList.Where(tagEncoded => tagEncoded.Key == keyInt))
{
value = _stringTable.Get(tagEncoded.Value);
return(true);
}
value = null;
return(false);
}
/// <summary>
/// Does the actual serialization of the given data structures.
/// </summary>
private static void Serialize(int begin, Stream stream, List <KeyValuePair <uint, List <KeyValuePair <uint, uint> > > > tagIndex,
ObjectTable <string> stringTable)
{
RuntimeTypeModel typeModel = TagIndexSerializer.CreateTypeModel();
// move until after the index (index contains two int's, startoftagindex, endoffile).
stream.Seek(begin + 8, SeekOrigin.Begin);
// serialize string table.
List <string> strings = new List <string>();
for (uint id = 0; id < stringTable.Count; id++)
{
strings.Add(stringTable.Get(id));
}
stringTable.Clear();
stringTable = null;
typeModel.Serialize(stream, strings);
long startOfTagsIndex = stream.Position - begin;
// serialize tagindex.
typeModel.Serialize(stream, tagIndex);
long endOfFile = stream.Position - begin;
// write index.
stream.Seek(begin, SeekOrigin.Begin);
stream.Write(BitConverter.GetBytes((int)startOfTagsIndex), 0, 4); // write start position of tagindex.
stream.Write(BitConverter.GetBytes((int)endOfFile), 0, 4); // write size of complete file.
stream.Seek(begin + endOfFile, SeekOrigin.Begin);
}
/// <summary>
/// Returns the tags with the given id.
/// </summary>
/// <param name="tagsId"></param>
/// <returns></returns>
public TagsCollection Get(uint tagsId)
{
OsmTags osmTags = _tagsTable.Get(tagsId);
if (osmTags != null)
{
return(new SimpleTagsCollection(osmTags.Tags));
}
return(null);
}
/// <summary>
/// Adds a new tag (key-value pair) to this tags collection.
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public override void AddOrReplace(string key, string value)
{
for (int idx = 0; idx < _tags.Count; idx++)
{
Tag tag = _tagsTable.Get(_tags[idx]);
if (tag.Key == key)
{
tag.Value = value;
_tags[idx] = _tagsTable.Add(tag);
return;
}
}
this.Add(key, value);
}
/// <summary>
/// Returns the tags with the given id.
/// </summary>
/// <param name="tagsId"></param>
/// <returns></returns>
public TagsCollectionBase Get(uint tagsId)
{
OsmTags osmTags = _tagsCollectionTable.Get(tagsId);
if (osmTags != null)
{
TagsCollection collection = new TagsCollection();
for (int idx = 0; idx < osmTags.Tags.Length; idx++)
{
collection.Add(
_tagsTable.Get(osmTags.Tags[idx]));
}
return(collection);
}
return(null);
}
public void TestStringTable_AddStrings()
{
ObjectTable <string> table = new ObjectTable <string>(false);
table.Add("zero");
table.Add("one");
table.Add("two");
table.Add("three");
table.Add("four");
table.Add("five");
table.Add("six");
Assert.AreEqual("zero", table.Get(0));
Assert.AreEqual("one", table.Get(1));
Assert.AreEqual("two", table.Get(2));
Assert.AreEqual("three", table.Get(3));
Assert.AreEqual("four", table.Get(4));
Assert.AreEqual("five", table.Get(5));
Assert.AreEqual("six", table.Get(6));
table = new ObjectTable <string>(true);
table.Add("zero");
table.Add("one");
table.Add("two");
table.Add("three");
table.Add("four");
table.Add("five");
table.Add("six");
Assert.AreEqual("zero", table.Get(0));
Assert.AreEqual("one", table.Get(1));
Assert.AreEqual("two", table.Get(2));
Assert.AreEqual("three", table.Get(3));
Assert.AreEqual("four", table.Get(4));
Assert.AreEqual("five", table.Get(5));
Assert.AreEqual("six", table.Get(6));
}
public void TestStringTable_AddStrings()
{
ObjectTable<string> table = new ObjectTable<string>(false);
uint zero = table.Add("zero");
uint one = table.Add("one");
uint two = table.Add("two");
uint three = table.Add("three");
uint four = table.Add("four");
uint five = table.Add("five");
uint six = table.Add("six");
Assert.AreEqual("zero", table.Get(0));
Assert.AreEqual("one", table.Get(1));
Assert.AreEqual("two", table.Get(2));
Assert.AreEqual("three", table.Get(3));
Assert.AreEqual("four", table.Get(4));
Assert.AreEqual("five", table.Get(5));
Assert.AreEqual("six", table.Get(6));
table = new ObjectTable<string>(true);
zero = table.Add("zero");
one = table.Add("one");
two = table.Add("two");
three = table.Add("three");
four = table.Add("four");
five = table.Add("five");
six = table.Add("six");
Assert.AreEqual("zero", table.Get(0));
Assert.AreEqual("one", table.Get(1));
Assert.AreEqual("two", table.Get(2));
Assert.AreEqual("three", table.Get(3));
Assert.AreEqual("four", table.Get(4));
Assert.AreEqual("five", table.Get(5));
Assert.AreEqual("six", table.Get(6));
}
/// <summary>
/// Does the actual serialization of the given data structures.
/// </summary>
private static void Serialize(int begin, Stream stream, List<KeyValuePair<uint, List<KeyValuePair<uint, uint>>>> tagIndex,
ObjectTable<string> stringTable)
{
RuntimeTypeModel typeModel = TagIndexSerializer.CreateTypeModel();
// move until after the index (index contains two int's, startoftagindex, endoffile).
stream.Seek(begin + 8, SeekOrigin.Begin);
// serialize string table.
List<string> strings = new List<string>();
for (uint id = 0; id < stringTable.Count; id++)
{
strings.Add(stringTable.Get(id));
}
stringTable.Clear();
stringTable = null;
typeModel.Serialize(stream, strings);
long startOfTagsIndex = stream.Position - begin;
// serialize tagindex.
typeModel.Serialize(stream, tagIndex);
long endOfFile = stream.Position - begin;
// write index.
stream.Seek(begin, SeekOrigin.Begin);
stream.Write(BitConverter.GetBytes((int)startOfTagsIndex), 0, 4); // write start position of tagindex.
stream.Write(BitConverter.GetBytes((int)endOfFile), 0, 4); // write size of complete file.
stream.Seek(begin + endOfFile, SeekOrigin.Begin);
}
public void TestStringTable_AddStringsTwice()
{
ObjectTable<string> table = new ObjectTable<string>(false);
table.Add("zero");
table.Add("one");
table.Add("two");
table.Add("three");
table.Add("four");
table.Add("five");
table.Add("six");
Assert.AreEqual("zero", table.Get(0));
Assert.AreEqual("one", table.Get(1));
Assert.AreEqual("two", table.Get(2));
Assert.AreEqual("three", table.Get(3));
Assert.AreEqual("four", table.Get(4));
Assert.AreEqual("five", table.Get(5));
Assert.AreEqual("six", table.Get(6));
Assert.AreEqual((uint)0, table.Add("zero"));
Assert.AreEqual((uint)1, table.Add("one"));
Assert.AreEqual((uint)2, table.Add("two"));
Assert.AreEqual((uint)3, table.Add("three"));
Assert.AreEqual((uint)4, table.Add("four"));
Assert.AreEqual((uint)5, table.Add("five"));
Assert.AreEqual((uint)6, table.Add("six"));
Assert.AreEqual("zero", table.Get(0));
Assert.AreEqual("one", table.Get(1));
Assert.AreEqual("two", table.Get(2));
Assert.AreEqual("three", table.Get(3));
Assert.AreEqual("four", table.Get(4));
Assert.AreEqual("five", table.Get(5));
Assert.AreEqual("six", table.Get(6));
table = new ObjectTable<string>(true);
table.Add("zero");
table.Add("one");
table.Add("two");
table.Add("three");
table.Add("four");
table.Add("five");
table.Add("six");
Assert.AreEqual("zero", table.Get(0));
Assert.AreEqual("one", table.Get(1));
Assert.AreEqual("two", table.Get(2));
Assert.AreEqual("three", table.Get(3));
Assert.AreEqual("four", table.Get(4));
Assert.AreEqual("five", table.Get(5));
Assert.AreEqual("six", table.Get(6));
Assert.AreEqual((uint)0, table.Add("zero"));
Assert.AreEqual((uint)1, table.Add("one"));
Assert.AreEqual((uint)2, table.Add("two"));
Assert.AreEqual((uint)3, table.Add("three"));
Assert.AreEqual((uint)4, table.Add("four"));
Assert.AreEqual((uint)5, table.Add("five"));
Assert.AreEqual((uint)6, table.Add("six"));
Assert.AreEqual("zero", table.Get(0));
Assert.AreEqual("one", table.Get(1));
Assert.AreEqual("two", table.Get(2));
Assert.AreEqual("three", table.Get(3));
Assert.AreEqual("four", table.Get(4));
Assert.AreEqual("five", table.Get(5));
Assert.AreEqual("six", table.Get(6));
}
public void TestStringTable_AddStringsTwice()
{
ObjectTable <string> table = new ObjectTable <string>(false);
uint zero = table.Add("zero");
uint one = table.Add("one");
uint two = table.Add("two");
uint three = table.Add("three");
uint four = table.Add("four");
uint five = table.Add("five");
uint six = table.Add("six");
Assert.AreEqual("zero", table.Get(0));
Assert.AreEqual("one", table.Get(1));
Assert.AreEqual("two", table.Get(2));
Assert.AreEqual("three", table.Get(3));
Assert.AreEqual("four", table.Get(4));
Assert.AreEqual("five", table.Get(5));
Assert.AreEqual("six", table.Get(6));
Assert.AreEqual((uint)0, table.Add("zero"));
Assert.AreEqual((uint)1, table.Add("one"));
Assert.AreEqual((uint)2, table.Add("two"));
Assert.AreEqual((uint)3, table.Add("three"));
Assert.AreEqual((uint)4, table.Add("four"));
Assert.AreEqual((uint)5, table.Add("five"));
Assert.AreEqual((uint)6, table.Add("six"));
Assert.AreEqual("zero", table.Get(0));
Assert.AreEqual("one", table.Get(1));
Assert.AreEqual("two", table.Get(2));
Assert.AreEqual("three", table.Get(3));
Assert.AreEqual("four", table.Get(4));
Assert.AreEqual("five", table.Get(5));
Assert.AreEqual("six", table.Get(6));
table = new ObjectTable <string>(true);
zero = table.Add("zero");
one = table.Add("one");
two = table.Add("two");
three = table.Add("three");
four = table.Add("four");
five = table.Add("five");
six = table.Add("six");
Assert.AreEqual("zero", table.Get(0));
Assert.AreEqual("one", table.Get(1));
Assert.AreEqual("two", table.Get(2));
Assert.AreEqual("three", table.Get(3));
Assert.AreEqual("four", table.Get(4));
Assert.AreEqual("five", table.Get(5));
Assert.AreEqual("six", table.Get(6));
Assert.AreEqual((uint)0, table.Add("zero"));
Assert.AreEqual((uint)1, table.Add("one"));
Assert.AreEqual((uint)2, table.Add("two"));
Assert.AreEqual((uint)3, table.Add("three"));
Assert.AreEqual((uint)4, table.Add("four"));
Assert.AreEqual((uint)5, table.Add("five"));
Assert.AreEqual((uint)6, table.Add("six"));
Assert.AreEqual("zero", table.Get(0));
Assert.AreEqual("one", table.Get(1));
Assert.AreEqual("two", table.Get(2));
Assert.AreEqual("three", table.Get(3));
Assert.AreEqual("four", table.Get(4));
Assert.AreEqual("five", table.Get(5));
Assert.AreEqual("six", table.Get(6));
}
