public static bool c4doc_resolveConflict(C4Document *doc, string winningRevID, string losingRevID, byte[] mergedBody, C4RevisionFlags mergedFlags, C4Error *error)
{
using (var winningRevID_ = new C4String(winningRevID))
using (var losingRevID_ = new C4String(losingRevID))
fixed(byte *mergedBody_ = mergedBody)
{
return(NativeRaw.c4doc_resolveConflict(doc, winningRevID_.AsFLSlice(), losingRevID_.AsFLSlice(), new FLSlice(mergedBody_, mergedBody == null ? 0 : (ulong)mergedBody.Length), mergedFlags, error));
}
}
/// <summary>
/// Creates a CBForestHistoryEnumerator that enumerates all specified revisions
/// of a document
/// </summary>
/// <param name="doc">The document to enumerate</param>
/// <param name="onlyLeaf">If set to <c>true</c> only leaf revisions (i.e. revisions
/// with no children) will be processed</param>
/// <param name="owner">If set to <c>true</c>, the enumerator will free the document
/// when finished</param>
public CBForestHistoryEnumerator(C4Document *doc, bool onlyLeaf, bool owner)
{
_doc = doc;
_onlyLeaf = onlyLeaf;
_owner = owner;
if (!_owner)
{
GC.SuppressFinalize(this);
}
}
protected override void Dispose(bool finalizing)
{
var native = _native;
_native = null;
if (native != null)
{
Native.c4doc_free(native);
}
}
public static bool c4indexer_emit(C4Indexer *indexer,
C4Document *document,
uint viewNumber,
C4Key *[] emittedKeys,
C4Slice[] emittedValues,
C4Error *outError)
{
return(c4indexer_emit(indexer, document, viewNumber, (uint)emittedKeys.Length, emittedKeys,
emittedValues, outError));
}
private List <string> GetAllParentRevisions(C4Document *doc)
{
var history = new List <string>();
do
{
history.Add(doc->selectedRev.revID.CreateString());
} while (Native.c4doc_selectParentRevision(doc));
return(history);
}
private void VerifyRev(C4Document *doc, string[] history, string body)
{
doc->revID.CreateString().Should().Be(history[0]);
doc->selectedRev.revID.CreateString().Should().Be(history[0]);
doc->selectedRev.body.CreateString().Should().Be(body);
var revs = GetAllParentRevisions(doc);
revs.Count.Should().Be(history.Length);
revs.SequenceEqual(history).Should().BeTrue();
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="doc">The document to retrieve information form.</param>
/// <param name="owner">Whether or not the instance should own the
/// document (i.e. free it when it is finished)</param>
public CBForestDocStatus(C4Document *doc, bool owner)
{
DocumentInfo = (C4DocumentInfo *)Marshal.AllocHGlobal(sizeof(C4DocumentInfo)).ToPointer();
DocumentInfo->docID = doc->docID;
DocumentInfo->revID = doc->revID;
DocumentInfo->flags = doc->flags;
DocumentInfo->sequence = doc->sequence;
_document = doc;
_owner = owner;
Sequence = (long)doc->sequence;
}
private void VerifyRev(C4Document *doc, string[] history, FLSlice body)
{
doc->revID.CreateString().Should().Be(history[0]);
doc->selectedRev.revID.CreateString().Should().Be(history[0]);
Native.FLSlice_Equal(NativeRaw.c4doc_getRevisionBody(doc), body).Should().BeTrue();
var revs = GetAllParentRevisions(doc);
revs.Count.Should().Be(history.Length);
revs.SequenceEqual(history).Should().BeTrue();
}
public CBForestDocStatus(C4Document *doc, bool owner)
{
Document = doc;
_owner = owner;
if (!_owner)
{
GC.SuppressFinalize(this);
}
_docID = new Lazy <string>(() => (string)Document->docID);
_revID = new Lazy <string>(() => (string)Document->revID);
}
public static bool c4indexer_emit(C4Indexer *indexer,
C4Document *document,
uint viewNumber,
uint nKeys,
C4Key *[] emittedKeys,
C4Slice[] emittedValues,
C4Error *outError)
{
fixed(C4Key **p = emittedKeys)
{
return(NativeRaw.c4indexer_emit(indexer, document, viewNumber, nKeys, p,
emittedValues, outError));
}
}
private void Dispose(bool disposing)
{
if (!_owner)
{
return;
}
var doc = _doc;
_doc = null;
_current = null;
if (doc != null)
{
Native.c4doc_free(doc);
}
}
private bool SaveDocument(C4Document *doc, string revId, IDictionary <string, object> properties)
{
// Is the new revision the winner?
Native.c4doc_selectCurrentRevision(doc);
bool isWinner = (string)doc->selectedRev.revID == revId;
// Update the documentType:
if (isWinner)
{
var type = properties == null ? null : properties.GetCast <string>("type");
ForestDBBridge.Check(err => Native.c4doc_setType(doc, type, err));
}
// Save:
ForestDBBridge.Check(err => Native.c4doc_save(doc, (uint)MaxRevTreeDepth, err));
return(isWinner);
}
internal static LiteCoreDocument Get(C4Database *parent, C4SequenceNumber seq)
{
C4Error err;
C4Document *native = Native.c4doc_getBySequence(parent, seq, &err);
if (native == null)
{
if (err.Code != 0)
{
throw new LiteCoreException(err);
}
return(null);
}
return(new LiteCoreDocument(native));
}
internal static LiteCoreDocument Get(C4Database *parent, string docID, bool mustExist)
{
C4Error err;
C4Document *native = Native.c4doc_get(parent, docID, mustExist, &err);
if (native == null)
{
if (err.Code != 0)
{
throw new LiteCoreException(err);
}
return(null);
}
return(new LiteCoreDocument(native));
}
private List <string> GetRevisionHistory(C4Document *doc, bool onlyCurrent, bool includeDeleted)
{
var history = new List <string>();
do
{
if (onlyCurrent && !doc->selectedRev.flags.HasFlag(C4RevisionFlags.Leaf))
{
continue;
}
if (!includeDeleted && doc->selectedRev.flags.HasFlag(C4RevisionFlags.Deleted))
{
continue;
}
history.Add(doc->selectedRev.revID.CreateString());
} while (Native.c4doc_selectNextRevision(doc));
return(history);
}
public static int c4doc_purgeRevision(C4Document *doc, string revID, C4Error *outError)
{
using (var revID_ = new C4String(revID)) {
return(NativeRaw.c4doc_purgeRevision(doc, revID_.AsFLSlice(), outError));
}
}
public void TestCreateVersionedDoc()
{
RunTestVariants(() => {
// Try reading doc with mustExist=true, which should fail:
C4Error error;
C4Document *doc = NativeRaw.c4doc_get(Db, DocID, true, &error);
((long)doc).Should().Be(0, "because the document does not exist");
error.domain.Should().Be(C4ErrorDomain.LiteCoreDomain);
error.code.Should().Be((int)C4ErrorCode.NotFound);
Native.c4doc_free(doc);
// Now get the doc with mustExist=false, which returns an empty doc:
doc = (C4Document *)LiteCoreBridge.Check(err => NativeRaw.c4doc_get(Db, DocID, false, err));
((int)doc->flags).Should().Be(0, "because the document is empty");
doc->docID.Equals(DocID).Should().BeTrue("because the doc ID should match what was stored");
((long)doc->revID.buf).Should().Be(0, "because the doc has no revision ID yet");
((long)doc->selectedRev.revID.buf).Should().Be(0, "because the doc has no revision ID yet");
Native.c4doc_free(doc);
LiteCoreBridge.Check(err => Native.c4db_beginTransaction(Db, err));
try {
var tmp = RevID;
var rq = new C4DocPutRequest {
existingRevision = true,
docID = DocID,
history = &tmp,
historyCount = 1,
body = Body,
save = true
};
doc = (C4Document *)LiteCoreBridge.Check(err => {
var localRq = rq;
return(Native.c4doc_put(Db, &localRq, null, err));
});
doc->revID.Equals(RevID).Should().BeTrue("because the doc should have the stored revID");
doc->selectedRev.revID.Equals(RevID).Should().BeTrue("because the doc should have the stored revID");
doc->selectedRev.flags.Should().Be(C4RevisionFlags.Leaf, "because this is a leaf revision");
doc->selectedRev.body.Equals(Body).Should().BeTrue("because the body should be stored correctly");
Native.c4doc_free(doc);
} finally {
LiteCoreBridge.Check(err => Native.c4db_endTransaction(Db, true, err));
}
// Reload the doc:
doc = (C4Document *)LiteCoreBridge.Check(err => NativeRaw.c4doc_get(Db, DocID, true, err));
doc->flags.Should().Be(C4DocumentFlags.DocExists, "because this is an existing document");
doc->docID.Equals(DocID).Should().BeTrue("because the doc should have the stored doc ID");
doc->revID.Equals(RevID).Should().BeTrue("because the doc should have the stored rev ID");
doc->selectedRev.revID.Equals(RevID).Should().BeTrue("because the doc should have the stored rev ID");
doc->selectedRev.sequence.Should().Be(1, "because it is the first stored document");
doc->selectedRev.body.Equals(Body).Should().BeTrue("because the doc should have the stored body");
Native.c4doc_free(doc);
// Get the doc by its sequence
doc = (C4Document *)LiteCoreBridge.Check(err => Native.c4doc_getBySequence(Db, 1, err));
doc->flags.Should().Be(C4DocumentFlags.DocExists, "because this is an existing document");
doc->docID.Equals(DocID).Should().BeTrue("because the doc should have the stored doc ID");
doc->revID.Equals(RevID).Should().BeTrue("because the doc should have the stored rev ID");
doc->selectedRev.revID.Equals(RevID).Should().BeTrue("because the doc should have the stored rev ID");
doc->selectedRev.sequence.Should().Be(1, "because it is the first stored document");
doc->selectedRev.body.Equals(Body).Should().BeTrue("because the doc should have the stored body");
Native.c4doc_free(doc);
});
}
public static extern bool c4doc_selectNextRevision(C4Document *doc);
public static extern bool c4doc_selectNextLeafRevision(C4Document *doc, [MarshalAs(UnmanagedType.U1)] bool includeDeleted, [MarshalAs(UnmanagedType.U1)] bool withBody, C4Error *outError);
public static extern bool c4doc_hasRevisionBody(C4Document *doc);
public static byte[] c4doc_getRevisionBody(C4Document *doc)
{
return(NativeRaw.c4doc_getRevisionBody(doc).ToArrayFast());
}
public static bool c4doc_selectRevision(C4Document *doc, string revID, bool withBody, C4Error *outError)
{
using (var revID_ = new C4String(revID)) {
return(NativeRaw.c4doc_selectRevision(doc, revID_.AsFLSlice(), withBody, outError));
}
}
public static extern bool c4doc_loadRevisionBody(C4Document *doc, C4Error *outError);
public static extern bool c4doc_save(C4Document *doc, uint maxRevTreeDepth, C4Error *outError);
public static extern C4Document *c4doc_update(C4Document *doc, FLSlice revisionBody, C4RevisionFlags revisionFlags, C4Error *error);
public static extern bool c4doc_resolveConflict(C4Document *doc, FLSlice winningRevID, FLSlice losingRevID, FLSlice mergedBody, C4RevisionFlags mergedFlags, C4Error *error);
public static extern int c4doc_purgeRevision(C4Document *doc, FLSlice revID, C4Error *outError);
public void TestPurge()
{
RunTestVariants(() => {
var body2 = C4Slice.Constant("{\"ok\":\"go\"}");
var body3 = C4Slice.Constant("{\"ubu\":\"roi\"}");
CreateRev(DocID.CreateString(), RevID, Body);
CreateRev(DocID.CreateString(), Rev2ID, body2);
CreateRev(DocID.CreateString(), Rev3ID, body3);
var history = new[] { C4Slice.Constant("3-ababab"), Rev2ID };
fixed(C4Slice * history_ = history)
{
var rq = new C4DocPutRequest
{
existingRevision = true,
docID = DocID,
history = history_,
historyCount = 2,
body = body3,
save = true
};
C4Error error;
C4Document *doc = null;
LiteCoreBridge.Check(err => Native.c4db_beginTransaction(Db, err));
try {
doc = Native.c4doc_put(Db, &rq, null, &error);
((IntPtr)doc).Should().NotBe(IntPtr.Zero);
Native.c4doc_free(doc);
} finally {
LiteCoreBridge.Check(err => Native.c4db_endTransaction(Db, true, err));
}
LiteCoreBridge.Check(err => Native.c4db_beginTransaction(Db, err));
try {
LiteCoreBridge.Check(err => NativeRaw.c4db_purgeDoc(Db, DocID, err));
} finally {
LiteCoreBridge.Check(err => Native.c4db_endTransaction(Db, true, err));
}
Native.c4db_getDocumentCount(Db).Should().Be(0UL);
CreateRev(DocID.CreateString(), RevID, Body);
CreateRev(DocID.CreateString(), Rev2ID, body2);
CreateRev(DocID.CreateString(), Rev3ID, body3);
LiteCoreBridge.Check(err => Native.c4db_beginTransaction(Db, err));
try {
doc = Native.c4doc_put(Db, &rq, null, &error);
((IntPtr)doc).Should().NotBe(IntPtr.Zero);
} finally {
LiteCoreBridge.Check(err => Native.c4db_endTransaction(Db, true, err));
}
LiteCoreBridge.Check(err => Native.c4db_beginTransaction(Db, err));
try {
LiteCoreBridge.Check(err => Native.c4doc_purgeRevision(doc, null, err));
LiteCoreBridge.Check(err => Native.c4doc_save(doc, 0, err));
} finally {
Native.c4doc_free(doc);
LiteCoreBridge.Check(err => Native.c4db_endTransaction(Db, true, err));
}
Native.c4db_getDocumentCount(Db).Should().Be(0UL);
}
});
}
public void TestUpdate()
{
RunTestVariants(() =>
{
WriteLine("Begin test");
C4Document *doc = null;
LiteCoreBridge.Check(err => Native.c4db_beginTransaction(Db, err));
try {
WriteLine("Begin create");
doc = (C4Document *)LiteCoreBridge.Check(err => NativeRaw.c4doc_create(Db, DocID, Body, 0, err));
} finally {
LiteCoreBridge.Check(err => Native.c4db_endTransaction(Db, true, err));
}
WriteLine("After save");
var expectedRevID = IsRevTrees()
? C4Slice.Constant("1-c10c25442d9fe14fa3ca0db4322d7f1e43140fab")
: C4Slice.Constant("1@*");
doc->revID.Equals(expectedRevID).Should().BeTrue();
doc->flags.Should().Be(C4DocumentFlags.DocExists, "because the document was saved");
doc->selectedRev.revID.Equals(expectedRevID).Should().BeTrue();
doc->docID.Equals(DocID).Should().BeTrue("because that is the document ID that it was saved with");
// Read the doc into another C4Document
var doc2 = (C4Document *)LiteCoreBridge.Check(err => NativeRaw.c4doc_get(Db, DocID, false, err));
doc->revID.Equals(expectedRevID).Should()
.BeTrue("because the other reference should have the same rev ID");
LiteCoreBridge.Check(err => Native.c4db_beginTransaction(Db, err));
try {
WriteLine("Begin 2nd save");
var updatedDoc =
(C4Document *)LiteCoreBridge.Check(
err => Native.c4doc_update(doc, Encoding.UTF8.GetBytes("{\"ok\":\"go\"}"), 0, err));
doc->selectedRev.revID.Equals(expectedRevID).Should().BeTrue();
doc->revID.Equals(expectedRevID).Should().BeTrue();
Native.c4doc_free(doc);
doc = updatedDoc;
}
finally {
LiteCoreBridge.Check(err => Native.c4db_endTransaction(Db, true, err));
}
WriteLine("After 2nd save");
var expectedRev2ID = IsRevTrees()
? C4Slice.Constant("2-32c711b29ea3297e27f3c28c8b066a68e1bb3f7b")
: C4Slice.Constant("2@*");
doc->revID.Equals(expectedRev2ID).Should().BeTrue();
doc->selectedRev.revID.Equals(expectedRev2ID).Should().BeTrue();
LiteCoreBridge.Check(err => Native.c4db_beginTransaction(Db, err));
try {
WriteLine("Begin conflicting save");
C4Error error;
((long)Native.c4doc_update(doc2, Encoding.UTF8.GetBytes("{\"ok\":\"no way\"}"), 0, &error)).Should().Be(0, "because this is a conflict");
error.code.Should().Be((int)C4ErrorCode.Conflict);
error.domain.Should().Be(C4ErrorDomain.LiteCoreDomain);
}
finally {
LiteCoreBridge.Check(err => Native.c4db_endTransaction(Db, true, err));
}
LiteCoreBridge.Check(err => Native.c4db_beginTransaction(Db, err));
try {
WriteLine("Begin conflicting create");
C4Error error;
((long)NativeRaw.c4doc_create(Db, DocID, C4Slice.Constant("{\"ok\":\"no way\"}"), 0, &error)).Should().Be(0, "because this is a conflict");
error.code.Should().Be((int)C4ErrorCode.Conflict);
error.domain.Should().Be(C4ErrorDomain.LiteCoreDomain);
}
finally {
LiteCoreBridge.Check(err => Native.c4db_endTransaction(Db, true, err));
}
Native.c4doc_free(doc);
Native.c4doc_free(doc2);
});
}
public static extern bool c4doc_selectCommonAncestorRevision(C4Document *doc, FLSlice rev1ID, FLSlice rev2ID);
