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Diffstat (limited to 'connectivity/source/drivers/firebird/Util.hxx')
-rw-r--r-- | connectivity/source/drivers/firebird/Util.hxx | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/connectivity/source/drivers/firebird/Util.hxx b/connectivity/source/drivers/firebird/Util.hxx new file mode 100644 index 000000000..107840876 --- /dev/null +++ b/connectivity/source/drivers/firebird/Util.hxx @@ -0,0 +1,130 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +#ifndef INCLUDED_CONNECTIVITY_SOURCE_DRIVERS_FIREBIRD_UTIL_HXX +#define INCLUDED_CONNECTIVITY_SOURCE_DRIVERS_FIREBIRD_UTIL_HXX + +#include <ibase.h> + +#include <rtl/ustring.hxx> + +#include <com/sun/star/uno/XInterface.hpp> + +namespace connectivity +{ + namespace firebird + { + // Type Blob has 2 subtypes values + // 0 for BLOB, 1 for CLOB + // see http://www.firebirdfaq.org/faq48/ + // User-defined subtypes are negative. + // Use a number for image which is very unlikely to be defined by a + // user. + enum class BlobSubtype { + Blob = 0, + Clob = 1, + Image = -9546 + }; + + /** + * Numeric and decimal types can be identified by their subtype in + * Firebird API. 1 for NUMERIC, 2 for DECIMAL. + */ + enum class NumberSubType { + Other = 0, + Numeric = 1, + Decimal = 2 + }; + + class ColumnTypeInfo { +private: + short m_aType; + short m_aSubType; + short m_nScale; + OUString m_sCharsetName; +public: + /** + * @param tType SQL type of column defined by Firebird (e.g. + * SQL_DOUBLE) + * @param aSubType SQL sub type as in firebird API. See + * NumberSubType. + * @param scale: Scale of the number. It is ignored in case it's not + * a number. Scale obtained from the Firebird API is negative, so + * that should be negated before passing to this constructor. + * + */ + explicit ColumnTypeInfo( short aType, short aSubType = 0, + short nScale = 0, const OUString& sCharset = OUString() ) + : m_aType(aType) + , m_aSubType(aSubType) + , m_nScale(nScale) + , m_sCharsetName(sCharset) {} + explicit ColumnTypeInfo( short aType, const OUString& sCharset ) + : m_aType(aType) + , m_aSubType(0) + , m_nScale(0) + , m_sCharsetName(sCharset) {} + short getType() const { return m_aType; } + short getSubType() const { return m_aSubType; } + short getScale() const { return m_nScale; } + OUString const & getCharacterSet() const { return m_sCharsetName; } + + sal_Int32 getSdbcType() const; + OUString getColumnTypeName() const; + + }; + + /** + * Make sure an identifier is safe to use within the database. Currently + * firebird seems to return identifiers with 93 character (instead of + * 31), whereby the name is simply padded with trailing whitespace. + * This removes all trailing whitespace (i.e. if necessary so that + * the length is below 31 characters). Firebird automatically compensates + * for such shorter strings, however any trailing padding makes the gui + * editing of such names harder, hence we remove all trailing whitespace. + */ + OUString sanitizeIdentifier(const OUString& rIdentifier); + + inline bool IndicatesError(const ISC_STATUS_ARRAY& rStatusVector) + { + return rStatusVector[0]==1 && rStatusVector[1]; // indicates error; + } + + OUString StatusVectorToString(const ISC_STATUS_ARRAY& rStatusVector, + const OUString& rCause); + + /** + * Evaluate a firebird status vector and throw exceptions as necessary. + * The content of the status vector is included in the thrown exception. + * + * @throws css::sdbc::SQLException + */ + void evaluateStatusVector(const ISC_STATUS_ARRAY& rStatusVector, + const OUString& aCause, + const css::uno::Reference< css::uno::XInterface >& _rxContext); + + /** + * Internally (i.e. in RDB$FIELD_TYPE) firebird stores the data type + * for a column as defined in blr_*, however in the firebird + * api the SQL_* types are used, hence we need to be able to convert + * between the two when retrieving column metadata. + */ + short getFBTypeFromBlrType(short blrType); + + void mallocSQLVAR(XSQLDA* pSqlda); + + void freeSQLVAR(XSQLDA* pSqlda); + + OUString escapeWith( const OUString& sText, const char aKey, const char aEscapeChar); + sal_Int64 pow10Integer( int nDecimalCount ); + } +} +#endif // INCLUDED_CONNECTIVITY_SOURCE_DRIVERS_FIREBIRD_UTIL_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |