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Data/SQLite/src/Utility.cpp

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+//
+// Utility.cpp
+//
+// $Id: //poco/Main/Data/SQLite/src/Utility.cpp#4 $
+//
+// Library: SQLite
+// Package: SQLite
+// Module:  Utility
+//
+// Implementation of Utility
+//
+// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// 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, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#include "Poco/Data/SQLite/Utility.h"
+#include "Poco/Data/SQLite/SQLiteException.h"
+#include "Poco/NumberFormatter.h"
+#include "Poco/String.h"
+#include "Poco/Exception.h"
+#include "sqlite3.h"
+
+
+namespace Poco {
+namespace Data {
+namespace SQLite {
+
+
+std::string Utility::lastError(sqlite3 *pDB)
+{
+	return std::string(sqlite3_errmsg(pDB));
+}
+
+
+MetaColumn::ColumnDataType Utility::getColumnType(sqlite3_stmt* pStmt, std::size_t pos)
+{
+	poco_assert_dbg (pStmt);
+
+	const char* pc = sqlite3_column_decltype(pStmt, (int)pos);
+	std::string sqliteType = pc ? pc : "";
+	Poco::toUpperInPlace(sqliteType);
+	
+	if (sqliteType.npos != sqliteType.find("INT"))
+		return MetaColumn::FDT_INT32;
+	else if (sqliteType.empty() || 
+		sqliteType.npos != sqliteType.find("CHAR") ||
+		sqliteType.npos != sqliteType.find("CLOB") ||
+		sqliteType.npos != sqliteType.find("TEXT"))
+		return MetaColumn::FDT_STRING;
+	else if (sqliteType.npos != sqliteType.find("REAL") ||
+		sqliteType.npos != sqliteType.find("FLOA") ||
+		sqliteType.npos != sqliteType.find("DOUB"))
+		return MetaColumn::FDT_DOUBLE;
+	else if (sqliteType.npos != sqliteType.find("BLOB"))
+		return MetaColumn::FDT_BLOB;
+
+	throw Poco::NotFoundException();
+}
+
+
+void Utility::throwException(int rc, const std::string& addErrMsg)
+{
+	switch (rc)
+	{
+	case SQLITE_OK:
+		break;
+	case SQLITE_ERROR:
+		throw InvalidSQLStatementException(std::string("SQL error or missing database"), addErrMsg);
+	case SQLITE_INTERNAL:
+		throw InternalDBErrorException(std::string("An internal logic error in SQLite"), addErrMsg);
+	case SQLITE_PERM:
+		throw DBAccessDeniedException(std::string("Access permission denied"), addErrMsg);
+	case SQLITE_ABORT:
+		throw ExecutionAbortedException(std::string("Callback routine requested an abort"), addErrMsg);
+	case SQLITE_BUSY:
+		throw DBLockedException(std::string("The database file is locked"), addErrMsg);
+	case SQLITE_LOCKED:
+		throw TableLockedException(std::string("A table in the database is locked"), addErrMsg);
+	case SQLITE_NOMEM:
+		throw NoMemoryException(std::string("A malloc() failed"), addErrMsg);
+	case SQLITE_READONLY:
+		throw ReadOnlyException(std::string("Attempt to write a readonly database"), addErrMsg);
+	case SQLITE_INTERRUPT:
+		throw InterruptException(std::string("Operation terminated by sqlite_interrupt()"), addErrMsg);
+	case SQLITE_IOERR:
+		throw IOErrorException(std::string("Some kind of disk I/O error occurred"), addErrMsg);
+	case SQLITE_CORRUPT:
+		throw CorruptImageException(std::string("The database disk image is malformed"), addErrMsg);
+	case SQLITE_NOTFOUND:
+		throw TableNotFoundException(std::string("Table or record not found"), addErrMsg);
+	case SQLITE_FULL:
+		throw DatabaseFullException(std::string("Insertion failed because database is full"), addErrMsg);
+	case SQLITE_CANTOPEN:
+		throw CantOpenDBFileException(std::string("Unable to open the database file"), addErrMsg);
+	case SQLITE_PROTOCOL:
+		throw LockProtocolException(std::string("Database lock protocol error"), addErrMsg);
+	case SQLITE_EMPTY:
+		throw InternalDBErrorException(std::string("(Internal Only) Database table is empty"), addErrMsg);
+	case SQLITE_SCHEMA:
+		throw SchemaDiffersException(std::string("The database schema changed"), addErrMsg);
+	case SQLITE_TOOBIG:
+		throw RowTooBigException(std::string("Too much data for one row of a table"), addErrMsg);
+	case SQLITE_CONSTRAINT:
+		throw ConstraintViolationException(std::string("Abort due to constraint violation"), addErrMsg);
+	case SQLITE_MISMATCH:
+		throw DataTypeMismatchException(std::string("Data type mismatch"), addErrMsg);
+	case SQLITE_MISUSE:
+		throw InvalidLibraryUseException(std::string("Library used incorrectly"), addErrMsg);
+	case SQLITE_NOLFS:
+		throw OSFeaturesMissingException(std::string("Uses OS features not supported on host"), addErrMsg);
+	case SQLITE_AUTH:
+		throw AuthorizationDeniedException(std::string("Authorization denied"), addErrMsg);
+	case SQLITE_FORMAT:
+		throw CorruptImageException(std::string("Auxiliary database format error"), addErrMsg);
+	case SQLITE_NOTADB:
+		throw CorruptImageException(std::string("File opened that is not a database file"), addErrMsg);
+	case SQLITE_RANGE:
+		throw InvalidSQLStatementException(std::string("Bind Parameter out of range (Access of invalid position 0? bind starts with 1!)"), addErrMsg);
+	case SQLITE_ROW:
+		break; // sqlite_step() has another row ready
+	case SQLITE_DONE:
+		break; // sqlite_step() has finished executing
+	default:
+		throw SQLiteException(std::string("Unkown error code: ") + Poco::NumberFormatter::format(rc), addErrMsg);
+	}
+}
+
+
+} } } // namespace Poco::Data::SQLite