BigfootDev/flatbuffers
1
0
Fork 1
mirror of https://github.com/google/flatbuffers.git synced 2026-06-06 21:37:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #3978 from TGIshib/key

Browse Source 
Find by key on C# and Java (2)
This commit is contained in:
Wouter van Oortmerssen
2016-08-26 12:03:28 -07:00
committed by GitHub
parent 223ebebbeb 7c69c5dc3d
commit 49ee30a207
10 changed files with 415 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
tests/MyGame/Example/Monster.cs
View File

@@ -129,6 +129,31 @@ public sealed class Monster : Table {
return new Offset<Monster>(o);
}
public static void FinishMonsterBuffer(FlatBufferBuilder builder, Offset<Monster> offset) { builder.Finish(offset.Value, "MONS"); }
public static VectorOffset CreateMySortedVectorOfTables(FlatBufferBuilder builder, Offset<Monster>[] offsets) {
Array.Sort(offsets, (Offset<Monster> o1, Offset<Monster> o2) => CompareStrings(__offset(10, o1.Value, builder.DataBuffer), __offset(10, o2.Value, builder.DataBuffer), builder.DataBuffer));
return builder.CreateVectorOfTables(offsets);
}
public static Monster LookupByKey(VectorOffset vectorOffset, string key, ByteBuffer bb) {
byte[] byteKey = System.Text.Encoding.UTF8.GetBytes(key);
int vectorLocation = bb.Length - vectorOffset.Value;
int span = bb.GetInt(vectorLocation), middle, start = 0, comp, tableOffset;
vectorLocation += 4;
while (span != 0) {
int middle = span / 2;
tableOffset = __indirect(vectorLocation + 4 * (start + middle), bb);
comp = CompareStrings(__offset(10, bb.Length - tableOffset, bb), byteKey, bb);
if (comp > 0) span = middle;
else if (comp < 0) {
middle++;
start += middle;
span -= middle;
}
else return new Monster().__init(tableOffset, bb);
}
return null;
}
};

23
tests/MyGame/Example/Monster.java
View File

@@ -135,5 +135,28 @@ public final class Monster extends Table {
return o;
}
public static void finishMonsterBuffer(FlatBufferBuilder builder, int offset) { builder.finish(offset, "MONS"); }
@Override
protected int keysCompare(Integer o1, Integer o2, ByteBuffer _bb) { return compareStrings(__offset(10, o1, _bb), __offset(10, o2, _bb), _bb); }
public static Monster lookupByKey(int vectorOffset, String key, ByteBuffer bb) {
byte[] byteKey = key.getBytes(StandardCharsets.UTF_8);
int vectorLocation = bb.array().length - vectorOffset.Value;
int span = bb.getInt(vectorLocation), middle, start = 0, comp, tableOffset;
vectorLocation += 4;
while (span != 0) {
int middle = span / 2;
tableOffset = __indirect(vectorLocation + 4 * (start + middle), bb);
comp = compareStrings(__offset(10, bb.array().length - tableOffset, bb), byteKey, bb);
if (comp > 0) span = middle;
else if (comp < 0) {
middle++;
start += middle;
span -= middle;
}
else return new Monster().__init(tableOffset, bb);
}
return null;
}
}