e7c3d04309
format all files Revert "format all files" This reverts commit 95d5812e49e7f916b68e786596f5a8eb5bcac414. Revert "format some files" This reverts commit ed3c8762d4d828b2b28e7b18809fc33f4f8ccaf5. format all files fix formatting in dir include fix formatting of debug macro
130 lines
3.9 KiB
C++
130 lines
3.9 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2021 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#ifndef MAPNIK_SQLITE_PREPARED_HPP
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#define MAPNIK_SQLITE_PREPARED_HPP
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// mapnik
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#include <mapnik/debug.hpp>
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#include <mapnik/datasource.hpp>
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#include <mapnik/params.hpp>
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#include <mapnik/geometry/box2d.hpp>
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#include <mapnik/util/noncopyable.hpp>
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// boost
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#include <memory>
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// stl
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#include <string.h>
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#include "sqlite_connection.hpp"
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// sqlite
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extern "C" {
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#include <sqlite3.h>
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}
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class prepared_index_statement : mapnik::util::noncopyable
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{
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public:
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prepared_index_statement(std::shared_ptr<sqlite_connection> ds, std::string const& sql)
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: ds_(ds)
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, stmt_(0)
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{
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const int rc = sqlite3_prepare_v2(*(*ds_), sql.c_str(), -1, &stmt_, 0);
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if (rc != SQLITE_OK)
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{
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std::ostringstream index_error;
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index_error << "Sqlite Plugin: auto-index table creation failed: '" << sqlite3_errmsg(*(*ds_))
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<< "' query was: " << sql;
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throw mapnik::datasource_exception(index_error.str());
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}
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}
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~prepared_index_statement()
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{
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if (stmt_)
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{
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int res = sqlite3_finalize(stmt_);
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if (res != SQLITE_OK)
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{
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if (*(*ds_))
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{
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MAPNIK_LOG_ERROR(sqlite) << "~prepared_index_statement:" << sqlite3_errmsg(*(*ds_));
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}
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else
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{
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MAPNIK_LOG_ERROR(sqlite) << "~prepared_index_statement:" << res;
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}
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}
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}
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}
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void bind(sqlite_int64 const pkid)
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{
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if (sqlite3_bind_int64(stmt_, 1, pkid) != SQLITE_OK)
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{
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throw mapnik::datasource_exception("SQLite Plugin: invalid value for for key field while generating index");
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}
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}
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void bind(mapnik::box2d<double> const& bbox)
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{
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if ((sqlite3_bind_double(stmt_, 2, bbox.minx()) != SQLITE_OK) ||
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(sqlite3_bind_double(stmt_, 3, bbox.maxx()) != SQLITE_OK) ||
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(sqlite3_bind_double(stmt_, 4, bbox.miny()) != SQLITE_OK) ||
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(sqlite3_bind_double(stmt_, 5, bbox.maxy()) != SQLITE_OK))
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{
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throw mapnik::datasource_exception("SQLite Plugin: invalid value for for extent while generating index");
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}
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}
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bool step_next()
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{
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const int status = sqlite3_step(stmt_);
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if (status != SQLITE_DONE)
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{
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std::ostringstream s;
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s << "SQLite Plugin: inserting bbox into rtree index failed";
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std::string msg(sqlite3_errmsg(sqlite3_db_handle(stmt_)));
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if (msg != "unknown error")
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{
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s << ": " << msg;
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}
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throw mapnik::datasource_exception(s.str());
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}
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sqlite3_clear_bindings(stmt_);
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if (sqlite3_reset(stmt_) != SQLITE_OK)
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{
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throw mapnik::datasource_exception("sqlite3_reset failed");
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}
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return true;
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}
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private:
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std::shared_ptr<sqlite_connection> ds_;
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sqlite3_stmt* stmt_;
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};
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#endif // MAPNIK_SQLITE_PREPARED_HPP
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