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-rw-r--r--odb/sqlite/stream.hxx85
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diff --git a/odb/sqlite/stream.hxx b/odb/sqlite/stream.hxx
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-// file : odb/sqlite/stream.hxx
-// license : GNU GPL v2; see accompanying LICENSE file
-
-#ifndef ODB_SQLITE_STREAM_HXX
-#define ODB_SQLITE_STREAM_HXX
-
-#include <odb/pre.hxx>
-
-#include <sqlite3.h>
-
-#include <cstddef> // std::size_t
-
-#include <odb/sqlite/connection.hxx>
-#include <odb/sqlite/details/export.hxx>
-
-namespace odb
-{
- namespace sqlite
- {
- // SQLite incremental BLOB/TEXT I/O stream. Available since
- // SQLite 3.4.0.
- //
- class LIBODB_SQLITE_EXPORT stream: public active_object
- {
- public:
- // @@ TODO: db is actually what we now (and SQLite in other places)
- // call schema (see database::schema(), ATTACH DATABASE). So we
- // should probably rename this at some point for consistency.
- //
- stream (const char* db,
- const char* table,
- const char* column,
- long long rowid,
- bool rw);
-
- std::size_t
- size () const;
-
- // The following two functions throw std::invalid_argument if
- // offset + n is past size().
- //
- void
- read (void* buf, std::size_t n, std::size_t offset = 0);
-
- void
- write (const void* buf, std::size_t n, std::size_t offset = 0);
-
- sqlite3_blob*
- handle () const {return h_;}
-
- // Close without reporting errors, if any.
- //
- virtual
- ~stream () {close (false);}
-
- // Close, by default with reporting errors, if any.
- //
- void
- close (bool check = true);
-
- // Open the same BLOB but in a different row. Can be faster
- // than creating a new stream instance. Note that the stream
- // must be in the open state prior to calling this function.
- // Only available since SQLite 3.7.4.
- //
-#if SQLITE_VERSION_NUMBER >= 3007004
- void
- reopen (long long rowid);
-#endif
-
- protected:
- // The active_object interface.
- //
- virtual void
- clear ();
-
- private:
- sqlite3_blob* h_;
- };
- }
-}
-
-#include <odb/post.hxx>
-
-#endif // ODB_SQLITE_STREAM_HXX