2 files changed, 130 insertions, 0 deletions
diff --git a/SQLiteStudio3/guiSQLiteStudio/common/ipvalidator.cpp b/SQLiteStudio3/guiSQLiteStudio/common/ipvalidator.cpp
new file mode 100644
index 0000000..35c8b75
--- /dev/null
+++ b/SQLiteStudio3/guiSQLiteStudio/common/ipvalidator.cpp
@@ -0,0 +1,95 @@
+#include "ipvalidator.h"
+#include <QDebug>
+
+QString IpValidator::reStr = "^%1(\\d%2)%1\\.%1(\\d%2)%1\\.%1(\\d%2)%1\\.%1(\\d%2)%1$";
+
+IpValidator::IpValidator(QObject* parent) :
+    QValidator(parent)
+{
+}
+
+IpValidator::~IpValidator()
+{
+}
+
+QValidator::State IpValidator::validate(QString& input, int&) const
+{
+    QString regexp = getPattern(acceptWhiteSpaces, false, whitespaceCharacter);
+    QRegularExpression re(regexp);
+    QRegularExpressionMatch match = re.match(input);
+    if (!match.hasMatch())
+        return Invalid;
+
+    QString part;
+    int value;
+    bool ok;
+    for (int i = 1; i <= 4; i++)
+    {
+        part = match.captured(i);
+        if (part.isEmpty())
+        {
+            if (acceptEmptyParts)
+                continue;
+            else
+                return Invalid;
+        }
+
+        value = part.toInt(&ok);
+        if (!ok)
+            return Invalid;
+
+        if (value > 255 || value < 0)
+            return Invalid;
+    }
+
+    return Acceptable;
+}
+
+bool IpValidator::getAcceptWhiteSpaces() const
+{
+    return acceptWhiteSpaces;
+}
+
+void IpValidator::setAcceptWhiteSpaces(bool value)
+{
+    acceptWhiteSpaces = value;
+}
+bool IpValidator::getAcceptEmptyParts() const
+{
+    return acceptEmptyParts;
+}
+
+void IpValidator::setAcceptEmptyParts(bool value)
+{
+    acceptEmptyParts = value;
+}
+QChar IpValidator::getWhitespaceCharacter() const
+{
+    return whitespaceCharacter;
+}
+
+void IpValidator::setWhitespaceCharacter(const QChar& value)
+{
+    whitespaceCharacter = value;
+}
+
+bool IpValidator::check(const QString& input, bool acceptWhiteSpaces)
+{
+    QString regexp = getPattern(acceptWhiteSpaces, true, ' ');
+    QRegularExpression re(regexp);
+    return re.match(input).hasMatch();
+}
+
+QString IpValidator::getPattern(bool acceptWhiteSpaces, bool requireFull, QChar whitespaceCharacter)
+{
+    QString countChar = requireFull ? "+" : "*";
+    if (acceptWhiteSpaces)
+    {
+        if (whitespaceCharacter == ' ')
+            return reStr.arg("\\s*", countChar);
+        else
+            return reStr.arg(whitespaceCharacter + QString("*"), countChar);
+    }
+    else
+        return reStr.arg("", countChar);
+}
diff --git a/SQLiteStudio3/guiSQLiteStudio/common/ipvalidator.h b/SQLiteStudio3/guiSQLiteStudio/common/ipvalidator.h
new file mode 100644
index 0000000..1c9ca4d
--- /dev/null
+++ b/SQLiteStudio3/guiSQLiteStudio/common/ipvalidator.h
@@ -0,0 +1,35 @@
+#ifndef IPVALIDATOR_H
+#define IPVALIDATOR_H
+
+#include <QValidator>
+
+class IpValidator : public QValidator
+{
+    public:
+        IpValidator(QObject* parent = 0);
+        ~IpValidator();
+
+        State validate(QString& input, int&) const;
+
+        bool getAcceptWhiteSpaces() const;
+        void setAcceptWhiteSpaces(bool value);
+
+        bool getAcceptEmptyParts() const;
+        void setAcceptEmptyParts(bool value);
+
+        QChar getWhitespaceCharacter() const;
+        void setWhitespaceCharacter(const QChar& value);
+
+        static bool check(const QString& input, bool acceptWhiteSpaces = false);
+
+    private:
+        static QString getPattern(bool acceptWhiteSpaces, bool requireFull, QChar whitespaceCharacter);
+
+        bool acceptWhiteSpaces = false;
+        bool acceptEmptyParts = false;
+        QChar whitespaceCharacter = ' ';
+
+        static QString reStr;
+};
+
+#endif // IPVALIDATOR_H