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+/******************************************************************************
+ * Project: PROJ
+ * Purpose: SQLite3 related utilities
+ * Author: Even Rouault, <even.rouault at spatialys.com>
+ *
+ ******************************************************************************
+ * Copyright (c) 2019, Even Rouault, <even.rouault at spatialys.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *****************************************************************************/
+
+#ifndef SQLITE3_HPP_INCLUDED
+#define SQLITE3_HPP_INCLUDED
+
+#include <memory>
+
+#include <sqlite3.h>
+
+#include "proj.h"
+#include "proj/util.hpp"
+
+NS_PROJ_START
+
+//! @cond Doxygen_Suppress
+
+class SQLite3VFS {
+ sqlite3_vfs *vfs_ = nullptr;
+
+ explicit SQLite3VFS(sqlite3_vfs *vfs);
+
+ SQLite3VFS(const SQLite3VFS &) = delete;
+ SQLite3VFS &operator=(const SQLite3VFS &) = delete;
+
+ public:
+ ~SQLite3VFS();
+
+ static std::unique_ptr<SQLite3VFS> create(bool fakeSync, bool fakeLock,
+ bool skipStatJournalAndWAL);
+ const char *name() const;
+ sqlite3_vfs *raw() { return vfs_; }
+};
+
+// ---------------------------------------------------------------------------
+
+class SQLiteStatement {
+ sqlite3_stmt *hStmt = nullptr;
+ int iBindIdx = 1;
+ int iResIdx = 0;
+ SQLiteStatement(const SQLiteStatement &) = delete;
+ SQLiteStatement &operator=(const SQLiteStatement &) = delete;
+
+ public:
+ explicit SQLiteStatement(sqlite3_stmt *hStmtIn);
+ ~SQLiteStatement() { sqlite3_finalize(hStmt); }
+
+ int execute() { return sqlite3_step(hStmt); }
+
+ void bindNull() {
+ sqlite3_bind_null(hStmt, iBindIdx);
+ iBindIdx++;
+ }
+
+ void bindText(const char *txt) {
+ sqlite3_bind_text(hStmt, iBindIdx, txt, -1, nullptr);
+ iBindIdx++;
+ }
+
+ void bindInt64(sqlite3_int64 v) {
+ sqlite3_bind_int64(hStmt, iBindIdx, v);
+ iBindIdx++;
+ }
+
+ void bindBlob(const void *blob, size_t blob_size) {
+ sqlite3_bind_blob(hStmt, iBindIdx, blob, static_cast<int>(blob_size),
+ nullptr);
+ iBindIdx++;
+ }
+
+ const char *getText() {
+ auto ret = sqlite3_column_text(hStmt, iResIdx);
+ iResIdx++;
+ return reinterpret_cast<const char *>(ret);
+ }
+
+ sqlite3_int64 getInt64() {
+ auto ret = sqlite3_column_int64(hStmt, iResIdx);
+ iResIdx++;
+ return ret;
+ }
+
+ const void *getBlob(int &size) {
+ size = sqlite3_column_bytes(hStmt, iResIdx);
+ auto ret = sqlite3_column_blob(hStmt, iResIdx);
+ iResIdx++;
+ return ret;
+ }
+
+ void reset() {
+ sqlite3_reset(hStmt);
+ iBindIdx = 1;
+ iResIdx = 0;
+ }
+
+ void resetResIndex() { iResIdx = 0; }
+};
+
+//! @endcond Doxygen_Suppress
+
+NS_PROJ_END
+
+#endif // SQLITE3_HPP_INCLUDED