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| author | Wouter van Oortmerssen <wvo@google.com> | 2014-09-19 16:51:36 -0700 |
|---|---|---|
| committer | Wouter van Oortmerssen <wvo@google.com> | 2014-09-22 15:53:19 -0700 |
| commit | 517c964fe2099ecc0810db33cfd45b406b3f3132 (patch) | |
| tree | 4b646dbde5cd5b70d4ef92c07d4cbbb27a594c50 /net | |
| parent | 3f8700b29669855ae440ad67180742ede82b3fb2 (diff) | |
| download | flatbuffers-517c964fe2099ecc0810db33cfd45b406b3f3132.tar.gz flatbuffers-517c964fe2099ecc0810db33cfd45b406b3f3132.tar.bz2 flatbuffers-517c964fe2099ecc0810db33cfd45b406b3f3132.zip | |
Support for required fields.
Change-Id: I560c7ca11b3d665eecafb528f3737b7e139ca9b0
Tested: on Linux and Windows.
Diffstat (limited to 'net')
| -rw-r--r-- | net/FlatBuffers/FlatBufferBuilder.cs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/FlatBuffers/FlatBufferBuilder.cs b/net/FlatBuffers/FlatBufferBuilder.cs index f4a6ca42..68225f93 100644 --- a/net/FlatBuffers/FlatBufferBuilder.cs +++ b/net/FlatBuffers/FlatBufferBuilder.cs @@ -335,6 +335,19 @@ namespace FlatBuffers return vtableloc; } + // This checks a required field has been set in a given table that has + // just been constructed. + public void Required(int table, int field) + { + int table_start = _bb.Length - table; + int vtable_start = table_start - _bb.GetInt(table_start); + bool ok = _bb.GetShort(vtable_start + field) != 0; + // If this fails, the caller will show what field needs to be set. + if (!ok) + throw new InvalidOperationException("FlatBuffers: field " + field + + " must be set"); + } + public void Finish(int rootTable) { Prep(_minAlign, sizeof(int)); |