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Fixes in wxPGProperty::StringToValue(): Prevent it-- from iterating into negative index; only really mark/add nested children as changed if child's StringToValue() returned true

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57836 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Jaakko Salli
2009-01-04 19:05:44 +00:00
parent ae82388e3c
commit a64a1bf767
1 changed files with 19 additions and 15 deletions
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34
src/propgrid/property.cpp
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@@ -972,6 +972,11 @@ bool wxPGProperty::StringToValue( wxVariant& variant, const wxString& text, int
for ( ;; )
{
// How many units we iterate string forward at the end of loop?
// We need to keep track of this or risk going to negative
// with it-- operation.
unsigned int strPosIncrement = 1;
if ( tokenStart != 0xFFFFFF )
{
// Token is running
@@ -1077,23 +1082,23 @@ bool wxPGProperty::StringToValue( wxVariant& variant, const wxString& text, int
if ( (argFlags & wxPG_PROGRAMMATIC_VALUE) ||
!child->HasFlag(wxPG_PROP_DISABLED|wxPG_PROP_READONLY) )
{
bool stvRes = child->StringToValue( variant, token, propagatedFlags );
wxString childName = child->GetBaseName();
bool stvRes = child->StringToValue( variant, token,
propagatedFlags );
if ( stvRes || (variant != oldChildValue) )
{
if ( stvRes )
changed = true;
variant.SetName(childName);
list.Append(variant);
changed = true;
}
else
{
// Failed, becomes unspecified
variant.MakeNull();
changed = true;
// No changes...
}
}
variant.SetName(child->GetBaseName());
list.Append(variant);
curChild++;
if ( curChild >= iMax )
break;
@@ -1107,10 +1112,7 @@ bool wxPGProperty::StringToValue( wxVariant& variant, const wxString& text, int
tokenStart = pos;
if ( a == delimeter )
{
pos--;
--it;
}
strPosIncrement -= 1;
}
}
}
@@ -1118,7 +1120,8 @@ bool wxPGProperty::StringToValue( wxVariant& variant, const wxString& text, int
if ( a == 0 )
break;
++it;
it += strPosIncrement;
if ( it != text.end() )
{
a = *it;
@@ -1127,7 +1130,8 @@ bool wxPGProperty::StringToValue( wxVariant& variant, const wxString& text, int
{
a = 0;
}
pos++;
pos += strPosIncrement;
}
if ( changed )