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.cpp | 269 ++++++++++++++++++++++++++++++++++++++++++ src/sqlitepp/sqlitepp.cc | 269 ------------------------------------------ src/sqlitepp/sqlitepp_test.cc | 105 ----------------- src/sqlitepp_test.cpp | 105 +++++++++++++++++ 4 files changed, 374 insertions(+), 374 deletions(-) create mode 100644 src/sqlitepp.cpp delete mode 100644 src/sqlitepp/sqlitepp.cc delete mode 100644 src/sqlitepp/sqlitepp_test.cc create mode 100644 src/sqlitepp_test.cpp (limited to 'src') diff --git a/src/sqlitepp.cpp b/src/sqlitepp.cpp new file mode 100644 index 0000000..ef0dfa8 --- /dev/null +++ b/src/sqlitepp.cpp @@ -0,0 +1,269 @@ +// 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 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 diff --git a/src/sqlitepp/sqlitepp_test.cc b/src/sqlitepp/sqlitepp_test.cc deleted file mode 100644 index dfa46d4..0000000 --- a/src/sqlitepp/sqlitepp_test.cc +++ /dev/null @@ -1,105 +0,0 @@ -// Copyright (C) 2014--2015 Robin Krahl -// MIT license -- http://opensource.org/licenses/MIT - -#include -#include -#include -#include "gtest/gtest.h" -#include "sqlitepp/sqlitepp.h" - -TEST(Database, openClose) { - sqlitepp::Database database; - EXPECT_FALSE(database.isOpen()); - database.open("/tmp/test.db"); - EXPECT_TRUE(database.isOpen()); - database.close(); - EXPECT_FALSE(database.isOpen()); - database.open("/tmp/test2.db"); - EXPECT_TRUE(database.isOpen()); - database.close(); - EXPECT_FALSE(database.isOpen()); - sqlitepp::Database database2("/tmp/test.db"); - EXPECT_TRUE(database2.isOpen()); - EXPECT_THROW(database2.open("/tmp/test2.db"), std::logic_error); - EXPECT_TRUE(database2.isOpen()); - database2.close(); - EXPECT_FALSE(database2.isOpen()); - - std::ifstream testStream("/tmp/test.db"); - EXPECT_TRUE(testStream.good()); - testStream.close(); - testStream.open("/tmp/test2.db"); - EXPECT_TRUE(testStream.good()); - testStream.close(); -} - -TEST(Database, copy) { - sqlitepp::Database database; - // MUST NOT COMPILE: - // sqlitepp::Database database2 = database; - database.close(); - sqlitepp::Database database3; - // MUST NOT COMPILE: - // database3 = database; - database3.close(); -} - -TEST(Database, prepare) { - sqlitepp::Database database("/tmp/test.db"); - std::shared_ptr statement = database.prepare( - "CREATE TABLE IF NOT EXISTS test (id, value);"); - EXPECT_TRUE(statement->isOpen()); - statement->close(); - EXPECT_FALSE(statement->isOpen()); - database.close(); -} - -TEST(Database, execute) { - sqlitepp::Database database("/tmp/test.db"); - database.execute("CREATE TABLE IF NOT EXISTS test (id, value);"); -} - -TEST(Database, insert) { - sqlitepp::Database database("/tmp/test.db"); - std::shared_ptr statement = database.prepare( - "INSERT INTO test (id, value) VALUES (:id, ?)"); - statement->bind(":id", 1); - statement->bind(2, "test value"); - statement->execute(); - const int rowId1 = database.lastInsertRowId(); - EXPECT_NE(0, rowId1); - statement->reset(); - statement->bind(":id", 2); - statement->bind(2, "other value"); - statement->execute(); - const int rowId2 = database.lastInsertRowId(); - EXPECT_NE(0, rowId2); - EXPECT_NE(rowId1, rowId2); -} - -TEST(Database, query) { - sqlitepp::Database database("/tmp/test.db"); - std::shared_ptr statement = database.prepare( - "SELECT id, value FROM test;"); - sqlitepp::ResultSet resultSet = statement->execute(); - EXPECT_TRUE(resultSet.canRead()); - EXPECT_EQ(2, resultSet.columnCount()); - int id = resultSet.readInt(0); - std::string value = resultSet.readString(1); - EXPECT_EQ(1, id); - EXPECT_EQ("test value", value); - EXPECT_TRUE(resultSet.next()); - EXPECT_TRUE(resultSet.canRead()); - id = resultSet.readInt(0); - value = resultSet.readString(1); - EXPECT_EQ(2, id); - EXPECT_EQ("other value", value); - EXPECT_FALSE(resultSet.next()); - EXPECT_FALSE(resultSet.canRead()); -} - -TEST(Database, cleanup) { - sqlitepp::Database database("/tmp/test.db"); - database.execute("DROP TABLE test;"); - database.close(); -} diff --git a/src/sqlitepp_test.cpp b/src/sqlitepp_test.cpp new file mode 100644 index 0000000..dfa46d4 --- /dev/null +++ b/src/sqlitepp_test.cpp @@ -0,0 +1,105 @@ +// Copyright (C) 2014--2015 Robin Krahl +// MIT license -- http://opensource.org/licenses/MIT + +#include +#include +#include +#include "gtest/gtest.h" +#include "sqlitepp/sqlitepp.h" + +TEST(Database, openClose) { + sqlitepp::Database database; + EXPECT_FALSE(database.isOpen()); + database.open("/tmp/test.db"); + EXPECT_TRUE(database.isOpen()); + database.close(); + EXPECT_FALSE(database.isOpen()); + database.open("/tmp/test2.db"); + EXPECT_TRUE(database.isOpen()); + database.close(); + EXPECT_FALSE(database.isOpen()); + sqlitepp::Database database2("/tmp/test.db"); + EXPECT_TRUE(database2.isOpen()); + EXPECT_THROW(database2.open("/tmp/test2.db"), std::logic_error); + EXPECT_TRUE(database2.isOpen()); + database2.close(); + EXPECT_FALSE(database2.isOpen()); + + std::ifstream testStream("/tmp/test.db"); + EXPECT_TRUE(testStream.good()); + testStream.close(); + testStream.open("/tmp/test2.db"); + EXPECT_TRUE(testStream.good()); + testStream.close(); +} + +TEST(Database, copy) { + sqlitepp::Database database; + // MUST NOT COMPILE: + // sqlitepp::Database database2 = database; + database.close(); + sqlitepp::Database database3; + // MUST NOT COMPILE: + // database3 = database; + database3.close(); +} + +TEST(Database, prepare) { + sqlitepp::Database database("/tmp/test.db"); + std::shared_ptr statement = database.prepare( + "CREATE TABLE IF NOT EXISTS test (id, value);"); + EXPECT_TRUE(statement->isOpen()); + statement->close(); + EXPECT_FALSE(statement->isOpen()); + database.close(); +} + +TEST(Database, execute) { + sqlitepp::Database database("/tmp/test.db"); + database.execute("CREATE TABLE IF NOT EXISTS test (id, value);"); +} + +TEST(Database, insert) { + sqlitepp::Database database("/tmp/test.db"); + std::shared_ptr statement = database.prepare( + "INSERT INTO test (id, value) VALUES (:id, ?)"); + statement->bind(":id", 1); + statement->bind(2, "test value"); + statement->execute(); + const int rowId1 = database.lastInsertRowId(); + EXPECT_NE(0, rowId1); + statement->reset(); + statement->bind(":id", 2); + statement->bind(2, "other value"); + statement->execute(); + const int rowId2 = database.lastInsertRowId(); + EXPECT_NE(0, rowId2); + EXPECT_NE(rowId1, rowId2); +} + +TEST(Database, query) { + sqlitepp::Database database("/tmp/test.db"); + std::shared_ptr statement = database.prepare( + "SELECT id, value FROM test;"); + sqlitepp::ResultSet resultSet = statement->execute(); + EXPECT_TRUE(resultSet.canRead()); + EXPECT_EQ(2, resultSet.columnCount()); + int id = resultSet.readInt(0); + std::string value = resultSet.readString(1); + EXPECT_EQ(1, id); + EXPECT_EQ("test value", value); + EXPECT_TRUE(resultSet.next()); + EXPECT_TRUE(resultSet.canRead()); + id = resultSet.readInt(0); + value = resultSet.readString(1); + EXPECT_EQ(2, id); + EXPECT_EQ("other value", value); + EXPECT_FALSE(resultSet.next()); + EXPECT_FALSE(resultSet.canRead()); +} + +TEST(Database, cleanup) { + sqlitepp::Database database("/tmp/test.db"); + database.execute("DROP TABLE test;"); + database.close(); +} -- cgit v1.2.1