1 files changed, 126 insertions, 0 deletions
diff --git a/connectivity/source/drivers/firebird/Util.hxx b/connectivity/source/drivers/firebird/Util.hxx
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+++ b/connectivity/source/drivers/firebird/Util.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * 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/.
+ */
+
+#pragma once
+
+#include <ibase.h>
+
+#include <rtl/ustring.hxx>
+
+#include <com/sun/star/uno/XInterface.hpp>
+#include <utility>
+
+namespace connectivity::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, OUString sCharset = OUString() )
+                : m_aType(aType)
+                , m_aSubType(aSubType)
+                , m_nScale(nScale)
+                , m_sCharsetName(std::move(sCharset)) {}
+            explicit ColumnTypeInfo( short aType, OUString sCharset )
+                : m_aType(aType)
+                , m_aSubType(0)
+                , m_nScale(0)
+                , m_sCharsetName(std::move(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(std::u16string_view rIdentifier);
+
+        inline bool IndicatesError(const ISC_STATUS_ARRAY& rStatusVector)
+        {
+            return rStatusVector[0]==1 && rStatusVector[1]; // indicates error;
+        }
+
+        OUString StatusVectorToString(const ISC_STATUS_ARRAY& rStatusVector,
+                                    std::u16string_view 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,
+                                  std::u16string_view 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);
+
+        sal_Int64 pow10Integer( int nDecimalCount );
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */