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/*
Copyright (C) 2023 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "exceptions.h"
#include "sqlite_database.h"
#include "sqlite_statement.h"
using std::function;
using std::string;
SQLiteStatement::SQLiteStatement(SQLiteDatabase& db, string const& statement)
: _db(db)
{
#ifdef DCPOMATIC_HAVE_SQLITE3_PREPARE_V3
auto rc = sqlite3_prepare_v3(_db.db(), statement.c_str(), -1, 0, &_stmt, nullptr);
#else
auto rc = sqlite3_prepare_v2(_db.db(), statement.c_str(), -1, &_stmt, nullptr);
#endif
if (rc != SQLITE_OK) {
throw SQLError(_db, rc, statement);
}
}
SQLiteStatement::~SQLiteStatement()
{
sqlite3_finalize(_stmt);
}
void
SQLiteStatement::bind_text(int index, string const& value)
{
auto rc = sqlite3_bind_text(_stmt, index, value.c_str(), -1, SQLITE_TRANSIENT);
if (rc != SQLITE_OK) {
throw SQLError(_db, rc);
}
}
void
SQLiteStatement::bind_int64(int index, int64_t value)
{
auto rc = sqlite3_bind_int64(_stmt, index, value);
if (rc != SQLITE_OK) {
throw SQLError(_db, rc);
}
}
void
SQLiteStatement::bind_double(int index, double value)
{
auto rc = sqlite3_bind_double(_stmt, index, value);
if (rc != SQLITE_OK) {
throw SQLError(_db, rc);
}
}
void
SQLiteStatement::execute(function<void(SQLiteStatement&)> row, function<void()> busy)
{
while (true) {
auto const rc = sqlite3_step(_stmt);
switch (rc) {
case SQLITE_BUSY:
busy();
break;
case SQLITE_DONE:
return;
case SQLITE_ROW:
row(*this);
break;
case SQLITE_ERROR:
case SQLITE_MISUSE:
throw SQLError(_db, sqlite3_errmsg(_db.db()));
}
}
}
int
SQLiteStatement::data_count()
{
return sqlite3_data_count(_stmt);
}
int64_t
SQLiteStatement::column_int64(int index)
{
return sqlite3_column_int64(_stmt, index);
}
double
SQLiteStatement::column_double(int index)
{
return sqlite3_column_double(_stmt, index);
}
string
SQLiteStatement::column_text(int index)
{
return reinterpret_cast<const char*>(sqlite3_column_text(_stmt, index));
}
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