1 files changed, 131 insertions, 0 deletions
diff --git a/kexi/kexiutils/identifier.cpp b/kexi/kexiutils/identifier.cpp
new file mode 100644
index 00000000..12c5b4da
--- /dev/null
+++ b/kexi/kexiutils/identifier.cpp
@@ -0,0 +1,131 @@
+/* This file is part of the KDE project
+   Copyright (C) 2003-2005 Jaroslaw Staniek <[email protected]>
+   Copyright (C) 2005 Martin Ellis <[email protected]>
+
+   This program 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 program 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 program; see the file COPYING.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+#include "identifier.h"
+#include "transliteration_table.h"
+
+using namespace KexiUtils;
+
+bool KexiUtils::isIdentifier(const QString& s)
+{
+	uint i;
+	for (i=0; i<s.length(); i++) {
+		QChar c = s.at(i).lower();
+		if (!(c=='_' || c>='a' && c<='z' || i>0 && c>='0' && c<='9'))
+			break;
+	}
+	return i>0 && i==s.length();
+}
+
+QString KexiUtils::string2FileName(const QString &s)
+{
+	QString fn( s.simplifyWhiteSpace() );
+	fn.replace(' ',"_"); fn.replace('$',"_");
+	fn.replace('\\',"-"); fn.replace('/',"-"); 
+	fn.replace(':',"-"); fn.replace('*',"-"); 
+	return fn;
+}
+
+inline QString char2Identifier(const QChar& c)
+{
+	if (c.unicode() >= TRANSLITERATION_TABLE_SIZE)
+		return QString(QChar('_'));
+	const char *const s = transliteration_table[c.unicode()];
+	return s ? QString::fromLatin1(s) : QString(QChar('_'));
+}
+
+QString KexiUtils::string2Identifier(const QString &s)
+{
+	if (s.isEmpty())
+		return QString::null;
+	QString r, id = s.simplifyWhiteSpace();
+	if (id.isEmpty())
+		return QString::null;
+	r.reserve(id.length());
+	id.replace(' ',"_");
+	QChar c = id[0];
+	QString add;
+	bool wasUnderscore = false;
+
+	if (c>='0' && c<='9') {
+		r+='_';
+		r+=c;
+	} else {
+		add = char2Identifier(c);
+		r+=add;
+		wasUnderscore = add == "_";
+	}
+
+	for (uint i=1; i<id.length(); i++) {
+		add = char2Identifier(id.at(i));
+		if (wasUnderscore && add == "_")
+			continue;
+		wasUnderscore = add == "_";
+		r+=add;
+	}
+	return r;
+}
+
+//--------------------------------------------------------------------------------
+
+QString KexiUtils::identifierExpectedMessage(const QString &valueName, const QVariant& v)
+{
+	return "<p>"+i18n("Value of \"%1\" column must be an identifier.").arg(valueName)
+		+"</p><p>"+i18n("\"%1\" is not a valid identifier.").arg(v.toString())+"</p>";
+}
+
+//--------------------------------------------------------------------------------
+
+IdentifierValidator::IdentifierValidator(QObject * parent, const char * name)
+: Validator(parent,name)
+{
+}
+
+IdentifierValidator::~IdentifierValidator()
+{
+}
+
+QValidator::State IdentifierValidator::validate( QString& input, int& pos ) const
+{
+	uint i;
+	for (i=0; i<input.length() && input.at(i)==' '; i++)
+		;
+	pos -= i; //i chars will be removed from beginning
+	if (i<input.length() && input.at(i)>='0' && input.at(i)<='9')
+		pos++; //_ will be added at the beginning
+	bool addspace = (input.right(1)==" ");
+	input = string2Identifier(input);
+	if (addspace)
+		input += "_";
+	if((uint)pos>input.length())
+		pos=input.length();
+	return input.isEmpty() ? Valid : Acceptable;
+}
+
+Validator::Result IdentifierValidator::internalCheck(
+	const QString &valueName, const QVariant& v, 
+	QString &message, QString & /*details*/)
+{
+	if (isIdentifier(v.toString()))
+		return Validator::Ok;
+	message = identifierExpectedMessage(valueName, v);
+	return Validator::Error;
+}
+