c4Document.h File Reference
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Functions | |
Revisions | |
| CBL_CORE_API bool | c4doc_isRevRejected (C4Document *doc) |
| NODISCARD CBL_CORE_API bool | c4doc_selectRevision (C4Document *doc, C4String revID, bool withBody, C4Error *outError) |
| Selects a specific revision of a document (or no revision, if revID is NULL.) | |
| CBL_CORE_API bool | c4doc_selectCurrentRevision (C4Document *doc) |
| Selects the current revision of a document. | |
| NODISCARD CBL_CORE_API bool | c4doc_loadRevisionBody (C4Document *doc, C4Error *outError) |
| Populates the body field of a doc's selected revision, if it was initially loaded without its body. | |
| CBL_CORE_API bool | c4doc_hasRevisionBody (C4Document *doc) |
| Returns true if the body of the selected revision is available, i.e. | |
| CBL_CORE_API C4Slice | c4doc_getRevisionBody (C4Document *doc) |
| Returns the body (encoded Fleece data) of the selected revision, if available. | |
| CBL_CORE_API C4SliceResult | c4doc_getRevisionHistory (C4Document *doc, unsigned maxRevs, const C4String backToRevs[], unsigned backToRevsCount) |
| Returns a string encoding the selected revision's history, as comma-separate revision/version IDs in reverse chronological order. | |
| CBL_CORE_API C4SliceResult | c4doc_getSelectedRevIDGlobalForm (C4Document *doc) |
| Returns the selected revision's ID in a form that will make sense to another peer/server. | |
| NODISCARD CBL_CORE_API bool | c4doc_selectParentRevision (C4Document *doc) |
| Selects the parent of the selected revision, if it's known, else returns false. | |
| NODISCARD CBL_CORE_API bool | c4doc_selectNextRevision (C4Document *doc) |
| Selects the next revision in priority order. | |
| NODISCARD CBL_CORE_API bool | c4doc_selectNextLeafRevision (C4Document *doc, bool includeDeleted, bool withBody, C4Error *outError) |
| Selects the next leaf revision; like selectNextRevision but skips over non-leaves. | |
| NODISCARD CBL_CORE_API bool | c4doc_selectCommonAncestorRevision (C4Document *doc, C4String rev1ID, C4String rev2ID) |
| Selects the common ancestor of two revisions. | |
| CBL_CORE_API C4RemoteID | c4db_getRemoteDBID (C4Database *db, C4String remoteAddress, bool canCreate, C4Error *outError) |
| Looks up or creates a numeric ID identifying a remote database, for use with c4doc_getRemoteAncestor() and c4doc_setRemoteAncestor(). | |
| CBL_CORE_API C4SliceResult | c4db_getRemoteDBAddress (C4Database *db, C4RemoteID remoteID) |
| Given a remote database ID, returns its replication URL / unique identifier. | |
| CBL_CORE_API C4SliceResult | c4doc_getRemoteAncestor (C4Document *doc, C4RemoteID remoteDatabase) |
| Returns the revision ID that has been marked as current for the given remote database. | |
| NODISCARD CBL_CORE_API bool | c4doc_setRemoteAncestor (C4Document *doc, C4RemoteID remoteDatabase, C4String revID, C4Error *error) |
| Marks a revision as current for the given remote database. | |
| CBL_CORE_API unsigned | c4rev_getGeneration (C4String revID) |
| Given a tree-based revision ID, returns its generation number (the decimal number before the hyphen), or zero if it's unparseable. | |
| CBL_CORE_API uint64_t | c4rev_getTimestamp (C4String revID) |
Given a revision ID that's a Version (of the form time\@peer), returns its timestamp. | |
| CBL_CORE_API C4SliceResult | c4rev_legacyAsVersion (C4String revID) |
| Given a "legacy" tree-based revision ID, converts it to a synthetic version-based ID using the standard algorithm (generation and 40 bits of the digest are stuffed into the Version's timestamp, and the Version's sourceID is a well-known constant.) | |
| CBL_CORE_API bool | c4rev_equal (C4Slice rev1, C4Slice rev2) |
| Returns true if two revision IDs are equivalent: | |
| NODISCARD CBL_CORE_API int32_t | c4doc_purgeRevision (C4Document *doc, C4String revID, C4Error *outError) |
| Removes a branch from a document's history. | |
| NODISCARD CBL_CORE_API bool | c4doc_resolveConflict (C4Document *doc, C4String winningRevID, C4String losingRevID, C4Slice mergedBody, C4RevisionFlags mergedFlags, C4Error *error) |
| Resolves a conflict between two leaf revisions, by deleting one of them and optionally adding a new merged revision as a child of the other. | |
Creating and Updating Documents | |
| CBL_CORE_API C4Document * | c4doc_update (C4Document *doc, C4Slice revisionBody, C4RevisionFlags revisionFlags, C4Error *error) |
| Adds a revision to a document already in memory as a C4Document. | |
Lifecycle | |
| #define | kC4GeneratedIDLength 23 |
| CBL_CORE_API char * | c4doc_generateID (char *buffer, size_t bufferSize) |
| Generates a random 23-byte C string suitable for use as a unique new document ID. | |
| NODISCARD CBL_CORE_API bool | c4doc_save (C4Document *doc, uint32_t maxRevTreeDepth, C4Error *outError) |
| Saves changes to a C4Document. | |
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