From e1d6684a7adbf29130411f2a030d01b594a95ca1 Mon Sep 17 00:00:00 2001 From: Robin Krahl Date: Thu, 23 Mar 2017 23:42:57 +0100 Subject: Move sources directly to src and rename to .cpp. --- src/sqlitepp/sqlitepp.cc | 269 ----------------------------------------------- 1 file changed, 269 deletions(-) delete mode 100644 src/sqlitepp/sqlitepp.cc (limited to 'src/sqlitepp/sqlitepp.cc') diff --git a/src/sqlitepp/sqlitepp.cc b/src/sqlitepp/sqlitepp.cc deleted file mode 100644 index ef0dfa8..0000000 --- a/src/sqlitepp/sqlitepp.cc +++ /dev/null @@ -1,269 +0,0 @@ -// Copyright (C) 2014--2015 Robin Krahl -// MIT license -- http://opensource.org/licenses/MIT - -#include "sqlitepp/sqlitepp.h" -#include -#include -#include -#include - -namespace sqlitepp { - -Openable::Openable(const bool open, const std::string& name) - : m_open(open), m_name(name) { -} - -bool Openable::isOpen() const { - return m_open; -} - -void Openable::requireOpen() const { - if (!m_open) { - throw std::logic_error(m_name + " is not open."); - } -} - -void Openable::setOpen(const bool open) { - m_open = open; -} - -std::string DatabaseError::getErrorMessage(const int errorCode, - const std::string& errorMessage) { - std::ostringstream stringStream; - stringStream << "Caught SQLite3 error " << errorCode << " meaning: " - << errorMessage; - return stringStream.str(); -} - -DatabaseError::DatabaseError(const int errorCode) - : DatabaseError(errorCode, sqlite3_errstr(errorCode)) { -} - -DatabaseError::DatabaseError(const int errorCode, - const std::string& errorMessage) - : std::runtime_error(getErrorMessage(errorCode, errorMessage)), - m_errorCode(errorCode) { -} - -int DatabaseError::errorCode() const { - return m_errorCode; -} - -Statement::Statement(sqlite3_stmt* handle) - : Openable(true, "Statement"), m_canRead(false), m_handle(handle) { -} - -Statement::~Statement() { - if (isOpen()) { - // errors that could occur during finalizing are ignored as they have - // already been handled! - sqlite3_finalize(m_handle); - setOpen(false); - } -} - -void Statement::bind(const int index, const double value) { - requireOpen(); - handleBindResult(index, sqlite3_bind_double(m_handle, index, value)); -} - -void Statement::bind(const std::string& name, const double value) { - bind(getParameterIndex(name), value); -} - -void Statement::bind(const int index, const int value) { - requireOpen(); - handleBindResult(index, sqlite3_bind_int(m_handle, index, value)); -} - -void Statement::bind(const std::string& name, const int value) { - bind(getParameterIndex(name), value); -} - -void Statement::bind(const int index, const std::string& value) { - requireOpen(); - handleBindResult(index, sqlite3_bind_text(m_handle, index, value.c_str(), - value.size(), NULL)); -} - -void Statement::bind(const std::string& name, const std::string& value) { - bind(getParameterIndex(name), value); -} - -ResultSet Statement::execute() { - step(); - return ResultSet(m_instancePointer.lock()); -} - -void Statement::requireCanRead() const { - if (!m_canRead) { - throw std::logic_error("Trying to read from statement without data"); - } -} - -void Statement::setInstancePointer( - const std::weak_ptr& instancePointer) { - m_instancePointer = instancePointer; -} - -bool Statement::step() { - requireOpen(); - int result = sqlite3_step(m_handle); - if (result == SQLITE_ROW) { - m_canRead = true; - } else if (result == SQLITE_DONE) { - m_canRead = false; - } else { - throw DatabaseError(result); - } - return m_canRead; -} - -void Statement::close() { - if (isOpen()) { - // errors that could occur during finalizing are ignored as they have - // already been handled! - sqlite3_finalize(m_handle); - setOpen(false); - } -} - -bool Statement::reset() { - requireOpen(); - return sqlite3_reset(m_handle) == SQLITE_OK; -} - -int Statement::getParameterIndex(const std::string& name) const { - requireOpen(); - int index = sqlite3_bind_parameter_index(m_handle, name.c_str()); - if (index == 0) { - throw std::invalid_argument("No such parameter: " + name); - } - return index; -} - -void Statement::handleBindResult(const int index, const int result) const { - switch (result) { - case SQLITE_OK: - break; - case SQLITE_RANGE: - throw std::out_of_range("Bind index out of range: " + index); - case SQLITE_NOMEM: - throw std::runtime_error("No memory to bind parameter"); - default: - throw DatabaseError(result); - } -} - -Database::Database() : Openable(false, "Database") { -} - -Database::Database(const std::string & file) : Database() { - open(file); -} - -Database::~Database() { - if (isOpen()) { - sqlite3_close(m_handle); - setOpen(false); - } - // m_handle is deleted by sqlite3_close -} - -void Database::close() { - if (isOpen()) { - int result = sqlite3_close(m_handle); - if (result == SQLITE_OK) { - setOpen(false); - } else { - throw sqlitepp::DatabaseError(result); - } - } -} - -void Database::execute(const std::string& sql) { - requireOpen(); - std::shared_ptr statement = prepare(sql); - statement->step(); -} - -int Database::lastInsertRowId() const { - requireOpen(); - return sqlite3_last_insert_rowid(m_handle); -} - -void Database::open(const std::string& file) { - if (isOpen()) { - throw std::logic_error("sqlitepp::Database::open(std::string&): " - "Database already open"); - } - int result = sqlite3_open(file.c_str(), &m_handle); - - if (m_handle == NULL) { - throw std::runtime_error("sqlitepp::Database::open(std::string&): " - "Can't allocate memory"); - } - - if (result == SQLITE_OK) { - setOpen(true); - } else { - std::string errorMessage = sqlite3_errmsg(m_handle); - sqlite3_close(m_handle); - throw sqlitepp::DatabaseError(result, errorMessage); - } -} - -std::shared_ptr Database::prepare(const std::string& sql) { - requireOpen(); - sqlite3_stmt* statementHandle; - int result = sqlite3_prepare_v2(m_handle, sql.c_str(), sql.size(), - &statementHandle, NULL); - if (result != SQLITE_OK) { - throw DatabaseError(result, sqlite3_errmsg(m_handle)); - } - if (statementHandle == NULL) { - throw std::runtime_error("Statement handle is NULL"); - } - auto statement = std::shared_ptr(new Statement(statementHandle)); - statement->setInstancePointer(std::weak_ptr(statement)); - return statement; -} - -ResultSet::ResultSet(const std::shared_ptr statement) - : m_statement(statement) { -} - -bool ResultSet::canRead() const { - return m_statement->m_canRead; -} - -int ResultSet::columnCount() const { - m_statement->requireOpen(); - m_statement->requireCanRead(); - return sqlite3_data_count(m_statement->m_handle); -} - -double ResultSet::readDouble(const int column) const { - m_statement->requireOpen(); - m_statement->requireCanRead(); - return sqlite3_column_double(m_statement->m_handle, column); -} - -int ResultSet::readInt(const int column) const { - m_statement->requireOpen(); - m_statement->requireCanRead(); - return sqlite3_column_int(m_statement->m_handle, column); -} - -std::string ResultSet::readString(const int column) const { - m_statement->requireOpen(); - m_statement->requireCanRead(); - return std::string((const char*) sqlite3_column_text(m_statement->m_handle, - column)); -} - -bool ResultSet::next() { - return m_statement->step(); -} - -} // namespace sqlitepp -- cgit v1.2.1