Host name and FQDN validators moved to wxExtend >> wxExtend API level incremented to 14

src/valnet.cpp

@@ -0,0 +1,267 @@
+/*
+    Copyright 2015-2016 Amebis
+
+    This file is part of wxExtend.
+
+    wxExtend is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    wxExtend 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with wxExtend. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "stdafx.h"
+
+
+//////////////////////////////////////////////////////////////////////
+// wxHostNameValidator
+//////////////////////////////////////////////////////////////////////
+
+wxIMPLEMENT_DYNAMIC_CLASS(wxHostNameValidator, wxValidator);
+
+
+wxHostNameValidator::wxHostNameValidator(wxString *val) :
+    m_val(val),
+    wxValidator()
+{
+}
+
+
+wxObject* wxHostNameValidator::Clone() const
+{
+    return new wxHostNameValidator(*this);
+}
+
+
+bool wxHostNameValidator::Validate(wxWindow *parent)
+{
+    wxASSERT(GetWindow()->IsKindOf(CLASSINFO(wxTextCtrl)));
+    wxTextCtrl *ctrl = (wxTextCtrl*)GetWindow();
+    if (!ctrl->IsEnabled()) return true;
+
+    wxString val(ctrl->GetValue());
+    return Parse(val, 0, val.Length(), ctrl, parent);
+}
+
+
+bool wxHostNameValidator::TransferToWindow()
+{
+    wxASSERT(GetWindow()->IsKindOf(CLASSINFO(wxTextCtrl)));
+
+    if (m_val)
+        ((wxTextCtrl*)GetWindow())->SetValue(*m_val);
+
+    return true;
+}
+
+
+bool wxHostNameValidator::TransferFromWindow()
+{
+    wxASSERT(GetWindow()->IsKindOf(CLASSINFO(wxTextCtrl)));
+    wxTextCtrl *ctrl = (wxTextCtrl*)GetWindow();
+
+    wxString val(ctrl->GetValue());
+    return Parse(val, 0, val.Length(), ctrl, NULL, m_val);
+}
+
+
+bool wxHostNameValidator::Parse(const wxString &val_in, size_t i_start, size_t i_end, wxTextCtrl *ctrl, wxWindow *parent, wxString *val_out)
+{
+    const wxStringCharType *buf = val_in;
+
+    size_t i = i_start;
+    for (;;) {
+        if (i >= i_end) {
+            // End of host name found.
+            if (val_out) val_out->assign(val_in.c_str() + i_start, i - i_start);
+            return true;
+        } else if (buf[i] == _T('-') || buf[i] == _T('_') || buf[i] == _T('*') || _istalnum(buf[i])) {
+            // Valid character found.
+            i++;
+        } else {
+            // Invalid character found.
+            ctrl->SetFocus();
+            ctrl->SetSelection(i, i + 1);
+            wxMessageBox(wxString::Format(_("Invalid character in host name found: %c"), buf[i]), _("Validation conflict"), wxOK | wxICON_EXCLAMATION, parent);
+            return false;
+        }
+    }
+}
+
+
+//////////////////////////////////////////////////////////////////////
+// wxFQDNValidator
+//////////////////////////////////////////////////////////////////////
+
+wxIMPLEMENT_DYNAMIC_CLASS(wxFQDNValidator, wxValidator);
+
+
+wxFQDNValidator::wxFQDNValidator(wxString *val) :
+    m_val(val),
+    wxValidator()
+{
+}
+
+
+wxObject* wxFQDNValidator::Clone() const
+{
+    return new wxFQDNValidator(*this);
+}
+
+
+bool wxFQDNValidator::Validate(wxWindow *parent)
+{
+    wxASSERT(GetWindow()->IsKindOf(CLASSINFO(wxTextCtrl)));
+    wxTextCtrl *ctrl = (wxTextCtrl*)GetWindow();
+    if (!ctrl->IsEnabled()) return true;
+
+    wxString val(ctrl->GetValue());
+    return Parse(val, 0, val.Length(), ctrl, parent);
+}
+
+
+bool wxFQDNValidator::TransferToWindow()
+{
+    wxASSERT(GetWindow()->IsKindOf(CLASSINFO(wxTextCtrl)));
+
+    if (m_val)
+        ((wxTextCtrl*)GetWindow())->SetValue(*m_val);
+
+    return true;
+}
+
+
+bool wxFQDNValidator::TransferFromWindow()
+{
+    wxASSERT(GetWindow()->IsKindOf(CLASSINFO(wxTextCtrl)));
+    wxTextCtrl *ctrl = (wxTextCtrl*)GetWindow();
+
+    wxString val(ctrl->GetValue());
+    return Parse(val, 0, val.Length(), ctrl, NULL, m_val);
+}
+
+
+bool wxFQDNValidator::Parse(const wxString &val_in, size_t i_start, size_t i_end, wxTextCtrl *ctrl, wxWindow *parent, wxString *val_out)
+{
+    const wxStringCharType *buf = val_in;
+
+    size_t i = i_start;
+    for (;;) {
+        const wxStringCharType *buf_next;
+        if ((buf_next = wmemchr(buf + i, L'.', i_end - i)) != NULL) {
+            // FQDN separator found.
+            if (!wxHostNameValidator::Parse(val_in, i, buf_next - buf, ctrl, parent))
+                return false;
+            i = buf_next - buf + 1;
+        } else if (wxHostNameValidator::Parse(val_in, i, i_end, ctrl, parent)) {
+            // The rest of the FQDN parsed succesfully.
+            if (val_out) val_out->assign(val_in.c_str() + i_start, i_end - i_start);
+            return true;
+        } else
+            return false;
+    }
+}
+
+
+//////////////////////////////////////////////////////////////////////
+// wxFQDNListValidator
+//////////////////////////////////////////////////////////////////////
+
+wxIMPLEMENT_DYNAMIC_CLASS(wxFQDNListValidator, wxValidator);
+
+
+wxFQDNListValidator::wxFQDNListValidator(wxArrayString *val) :
+    m_val(val),
+    wxValidator()
+{
+}
+
+
+wxObject* wxFQDNListValidator::Clone() const
+{
+    return new wxFQDNListValidator(*this);
+}
+
+
+bool wxFQDNListValidator::Validate(wxWindow *parent)
+{
+    wxTextCtrl *ctrl = (wxTextCtrl*)GetWindow();
+    if (!ctrl->IsEnabled()) return true;
+
+    wxString val(ctrl->GetValue());
+    return Parse(val, 0, val.Length(), ctrl, parent);
+}
+
+
+bool wxFQDNListValidator::TransferToWindow()
+{
+    wxASSERT(GetWindow()->IsKindOf(CLASSINFO(wxTextCtrl)));
+
+    if (m_val) {
+        wxString str;
+        for (wxArrayString::const_iterator name = m_val->begin(), name_end = m_val->end(); name != name_end; ++name) {
+            if (!str.IsEmpty()) str += wxT("; ");
+            str += *name;
+        }
+        ((wxTextCtrl*)GetWindow())->SetValue(str);
+    }
+
+    return true;
+}
+
+
+bool wxFQDNListValidator::TransferFromWindow()
+{
+    wxASSERT(GetWindow()->IsKindOf(CLASSINFO(wxTextCtrl)));
+    wxTextCtrl *ctrl = (wxTextCtrl*)GetWindow();
+
+    wxString val(ctrl->GetValue());
+    return Parse(val, 0, val.Length(), ctrl, NULL, m_val);
+}
+
+
+bool wxFQDNListValidator::Parse(const wxString &val_in, size_t i_start, size_t i_end, wxTextCtrl *ctrl, wxWindow *parent, wxArrayString *val_out)
+{
+    const wxStringCharType *buf = val_in;
+    wxString _fqdn, *fqdn = val_out ? &_fqdn : NULL;
+    wxArrayString _val_out;
+
+    size_t i = i_start;
+    for (;;) {
+        // Skip initial white-space.
+        for (; i < i_end && _istspace(buf[i]); i++);
+
+        const wxStringCharType *buf_next;
+        if ((buf_next = wmemchr(buf + i, L';', i_end - i)) != NULL) {
+            // FQDN list separator found.
+
+            // Skip trailing white-space.
+            size_t i_next = buf_next - buf;
+            for (; i < i_next && _istspace(buf[i_next - 1]); i_next--);
+
+            if (!wxFQDNValidator::Parse(val_in, i, i_next, ctrl, parent, fqdn))
+                return false;
+            if (fqdn && !fqdn->empty()) _val_out.push_back(std::move(*fqdn));
+
+            i = buf_next - buf + 1;
+        } else {
+            // Skip trailing white-space.
+            for (; i < i_end && _istspace(buf[i_end - 1]); i_end--);
+
+            if (wxFQDNValidator::Parse(val_in, i, i_end, ctrl, parent, fqdn)) {
+                // The rest of the FQDN list parsed succesfully.
+                if (fqdn && !fqdn->empty()) _val_out.push_back(std::move(*fqdn));
+                if (val_out) *val_out = std::move(_val_out);
+                return true;
+            } else
+                return false;
+        }
+    }
+}