1 files changed, 278 insertions, 0 deletions
diff --git a/kexi/kexidb/fieldlist.cpp b/kexi/kexidb/fieldlist.cpp
new file mode 100644
index 00000000..ee159c72
--- /dev/null
+++ b/kexi/kexidb/fieldlist.cpp
@@ -0,0 +1,278 @@
+/* This file is part of the KDE project
+   Copyright (C) 2003-2007 Jaroslaw Staniek <[email protected]>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+#include <kexidb/fieldlist.h>
+#include <kexidb/object.h>
+
+#include <kdebug.h>
+
+#include <assert.h>
+
+using namespace KexiDB;
+
+FieldList::FieldList(bool owner)
+ //reasonable sizes: TODO
+ : m_fields_by_name(101, false)
+{
+	m_fields.setAutoDelete( owner );
+	m_fields_by_name.setAutoDelete( false );
+	m_autoinc_fields = 0;
+}
+
+FieldList::FieldList(const FieldList& fl, bool deepCopyFields)
+ : m_fields_by_name( fl.m_fields_by_name.size() )
+{
+	m_fields.setAutoDelete( fl.m_fields.autoDelete() );
+	m_fields_by_name.setAutoDelete( false );
+	m_autoinc_fields = 0;
+
+	if (deepCopyFields) {
+		//deep copy for the fields
+		for (Field::ListIterator f_it(fl.m_fields); f_it.current(); ++f_it) {
+			Field *f = f_it.current()->copy();
+			if (f_it.current()->m_parent == &fl)
+				f->m_parent = this;
+			addField( f );
+		}
+	}
+}
+
+FieldList::~FieldList()
+{
+	delete m_autoinc_fields;
+}
+
+void FieldList::clear()
+{
+//	m_name = QString::null;
+	m_fields.clear();
+	m_fields_by_name.clear();
+	m_sqlFields = QString::null;
+	delete m_autoinc_fields;
+	m_autoinc_fields = 0;
+}
+
+FieldList& FieldList::insertField(uint index, KexiDB::Field *field)
+{
+	assert(field);
+	if (!field)
+		return *this;
+	if (index>m_fields.count()) {
+		KexiDBFatal << "FieldList::insertField(): index (" << index << ") out of range" << endl;
+		return *this;
+	}
+	if (!m_fields.insert(index, field))
+		return *this;
+	if (!field->name().isEmpty())
+		m_fields_by_name.insert(field->name().lower(),field);
+	m_sqlFields = QString::null;
+	return *this;
+}
+
+void FieldList::renameField(const QString& oldName, const QString& newName)
+{
+	renameField( m_fields_by_name[ oldName ], newName );
+}
+
+void FieldList::renameField(KexiDB::Field *field, const QString& newName)
+{
+	if (!field || field != m_fields_by_name[ field->name() ]) {
+		KexiDBFatal << "FieldList::renameField() no field found " 
+			<< (field ? QString("\"%1\"").arg(field->name()) : QString::null) << endl;
+		return;
+	}
+	m_fields_by_name.take( field->name() );
+	field->setName( newName );
+	m_fields_by_name.insert( field->name(), field );
+}
+
+
+FieldList& FieldList::addField(KexiDB::Field *field)
+{
+	return insertField(m_fields.count(), field);
+}
+
+void FieldList::removeField(KexiDB::Field *field)
+{
+	assert(field);
+	if (!field)
+		return;
+	m_fields_by_name.remove(field->name());
+	m_fields.remove(field);
+	m_sqlFields = QString::null;
+}
+
+Field* FieldList::field(const QString& name)
+{
+	return m_fields_by_name[name];
+}
+
+QString FieldList::debugString()
+{
+	QString dbg;
+	dbg.reserve(512);
+	Field::ListIterator it( m_fields );
+	Field *field;
+	bool start = true;
+	if (!it.current())
+		dbg = "<NO FIELDS>";
+	for (; (field = it.current())!=0; ++it) {
+		if (!start)
+			dbg += ",\n";
+		else
+			start = false;
+		dbg += "  ";
+		dbg += field->debugString();
+	}
+	return dbg;
+}
+
+void FieldList::debug()
+{
+	KexiDBDbg << debugString() << endl;
+}
+
+#define _ADD_FIELD(fname) \
+{ \
+	if (fname.isEmpty()) return fl; \
+	f = m_fields_by_name[fname]; \
+	if (!f) { KexiDBWarn << subListWarning1(fname) << endl; delete fl; return 0; } \
+	fl->addField(f); \
+}
+
+static QString subListWarning1(const QString& fname) {
+	return QString("FieldList::subList() could not find field \"%1\"").arg(fname);
+}
+
+FieldList* FieldList::subList(const QString& n1, const QString& n2, 
+	const QString& n3, const QString& n4,
+	const QString& n5, const QString& n6,
+	const QString& n7, const QString& n8,
+	const QString& n9, const QString& n10,
+	const QString& n11, const QString& n12,
+	const QString& n13, const QString& n14,
+	const QString& n15, const QString& n16,
+	const QString& n17, const QString& n18)
+{
+	if (n1.isEmpty())
+		return 0;
+	Field *f;
+	FieldList *fl = new FieldList(false);
+	_ADD_FIELD(n1);
+	_ADD_FIELD(n2);
+	_ADD_FIELD(n3);
+	_ADD_FIELD(n4);
+	_ADD_FIELD(n5);
+	_ADD_FIELD(n6);
+	_ADD_FIELD(n7);
+	_ADD_FIELD(n8);
+	_ADD_FIELD(n9);
+	_ADD_FIELD(n10);
+	_ADD_FIELD(n11);
+	_ADD_FIELD(n12);
+	_ADD_FIELD(n13);
+	_ADD_FIELD(n14);
+	_ADD_FIELD(n15);
+	_ADD_FIELD(n16);
+	_ADD_FIELD(n17);
+	_ADD_FIELD(n18);
+	return fl;
+}
+
+FieldList* FieldList::subList(const QStringList& list)
+{
+	Field *f;
+	FieldList *fl = new FieldList(false);
+	for(QStringList::ConstIterator it = list.constBegin(); it != list.constEnd(); ++it) {
+		_ADD_FIELD( (*it) );
+	}
+	return fl;
+}
+
+FieldList* FieldList::subList(const QValueList<uint>& list)
+{
+	Field *f;
+	FieldList *fl = new FieldList(false);
+	foreach(QValueList<uint>::ConstIterator, it, list) {
+		f = field(*it);
+		if (!f) {
+			KexiDBWarn << QString("FieldList::subList() could not find field at position %1").arg(*it) << endl;
+			delete fl;
+			return 0;
+		}
+		fl->addField(f);
+	}
+	return fl;
+}
+
+QStringList FieldList::names() const
+{
+	QStringList r;
+//	for (QDictIterator<Field> it(m_fields_by_name);it.current();++it) {
+//		r += it.currentKey().lower();
+//	}
+	for (Field::ListIterator it(m_fields); it.current(); ++it) {
+		r += it.current()->name().lower();
+	}
+	return r;
+}
+
+//static
+QString FieldList::sqlFieldsList(Field::List* list, Driver *driver, 
+	const QString& separator, const QString& tableAlias, int drvEscaping)
+{
+	if (!list)
+		return QString::null;
+	QString result;
+	result.reserve(256);
+	bool start = true;
+	const QString tableAliasAndDot( tableAlias.isEmpty() ? QString::null : (tableAlias + ".") );
+	for (Field::ListIterator it( *list ); it.current(); ++it) {
+		if (!start)
+			result += separator;
+		else
+			start = false;
+		result += (tableAliasAndDot + driver->escapeIdentifier( it.current()->name(), drvEscaping ));
+	}
+	return result;
+}
+
+QString FieldList::sqlFieldsList(Driver *driver, 
+	const QString& separator, const QString& tableAlias, int drvEscaping)
+{
+	if (!m_sqlFields.isEmpty())
+		return m_sqlFields;
+
+	m_sqlFields = FieldList::sqlFieldsList( &m_fields, driver, separator, tableAlias, drvEscaping );
+	return m_sqlFields;
+}
+
+Field::List* FieldList::autoIncrementFields()
+{
+	if (!m_autoinc_fields) {
+		m_autoinc_fields = new Field::List();
+		Field *f;
+		for (Field::ListIterator f_it(m_fields); (f = f_it.current()); ++f_it) {
+			if (f->isAutoIncrement()) {
+				m_autoinc_fields->append( f_it.current() );
+			}
+		}
+	}
+	return m_autoinc_fields;
+}