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Fixed parser to handle unset parameters properly (that is, without crashing)

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Originally committed to SVN as r6.
This commit is contained in:
Rodrigo Braz Monteiro 2006-01-17 07:52:18 +00:00
parent 480bb77b41
commit 75fc7ef5cf
1 changed files with 10 additions and 9 deletions
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19
core/ass_override.cpp
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@ -561,8 +561,6 @@ void AssOverrideTag::ParseParameters(wxString text) {
int totalPars = paramList.GetCount();
// Get optional parameters flag
//wxStringTokenizer tkn(text,_T(",()"),wxTOKEN_STRTOK);
//int totalPars = tkn.CountTokens();
ASS_ParameterOptional parsFlag = OPTIONAL_0;
switch (totalPars) {
case 1: parsFlag = OPTIONAL_1; break;
@ -598,7 +596,8 @@ void AssOverrideTag::ParseParameters(wxString text) {
curtok = paramList[curPar];
curPar++;
}
//while (curtok != _T("")) {
// For each parameter
while (n < proto->params.size()) {
AssOverrideParamProto *curproto = &proto->params[n];
bool isDefault = false;
@ -609,22 +608,24 @@ void AssOverrideTag::ParseParameters(wxString text) {
// Check if it's optional and not set (set to default)
if (!(curproto->optional & parsFlag)) {
isDefault = true;
newparam->CopyFrom(curproto->defaultValue);
if (curproto->defaultValue.GetType() != VARDATA_NONE) {
isDefault = true;
newparam->CopyFrom(curproto->defaultValue);
}
newparam->ommited = true;
}
else {
if (isDefault == false) {
// Determine parameter type and set value
switch (curproto->type) {
case VARDATA_INT: {
long temp;
long temp = 0;
curtok.ToLong(&temp);
newparam->SetInt(temp);
break;
}
case VARDATA_FLOAT: {
double temp;
double temp = 0.0;
curtok.ToDouble(&temp);
newparam->SetFloat(temp);
break;
@ -634,7 +635,7 @@ void AssOverrideTag::ParseParameters(wxString text) {
break;
}
case VARDATA_BOOL: {
long temp;
long temp = false;
curtok.ToLong(&temp);
newparam->SetBool(temp != 0);
break;