inline bool hasProperties(Properties p, Properties requiredOnOrOff, bool on) {
return on ? hasProperties(p, requiredOnOrOff) : hasPropertiesOff(p, requiredOnOrOff);
}
/*! This method compares the given attributes and properties with those already present.
It compares the given items as inseparable pairs - if the attribute or property is
present in name but contains a different value, that does not count and false is
returned.
\return A bool indicating (directly) both presence and equality.
*/
bool PP_AttrProp::areAlreadyPresent(const gchar ** attributes, const gchar ** properties) const
{
if (attributes && *attributes)
{
const gchar ** p = attributes;
while (*p)
{
/*
It seems that we also want empty strings for attributes,
at least for the 'param' attribute which goes with fields.
Is this bogus too? -PL
Yes.
We use empty strings and NULL in values to indicate that the
attribute/property should be absent. Sometimes these values filter down
here, so we need to handle this. TF
*/
// UT_return_val_if_fail (p[1] /* && *p[1]*/, false); // require value for each name
// first deal with the case where the value is set to NULL or "" -- we want
// that attribute to be absent, not present
const gchar * szValue = NULL;
if((!p[1] || !*p[1]) && getAttribute(p[0],szValue) && szValue && *szValue)
return false;
// the 'props' attribute has to be handled separatedly, since it is not
// returned using getAttribute() (it is not stored as attribute)
else if((!p[1] || !*p[1]) && !strcmp(p[0],"props") && hasProperties())
return false;
else if(p[1] && *p[1])
{
if (!getAttribute(p[0],szValue))
return false; // item not present
if (strcmp(p[1],szValue)!=0)
return false; // item has different value
}
p += 2;
}
}
if (properties && *properties)
{
const gchar ** p = properties;
while (*p)
{
/*
Jeff, I weakened the following assert because we
*want* to represent no tabstops as an empty string.
If this isn't safe, let me know. -- PCR
We use empty strings and NULL in values to indicate that the
attribute/property should be absent. Sometimes these values filter down
here, so we need to handle this. TF
*/
// UT_return_val_if_fail (p[1] /* && *p[1]*/, false); // require value for each name
// first deal with the case where the value is set to NULL or "" -- we want
// that attribute to be absent, not present
const gchar * szValue = NULL;
if((!p[1] || !*p[1]) && getProperty(p[0],szValue) && szValue && *szValue)
return false;
else if(p[1] && p[1])
{
if (!getProperty(p[0],szValue))
return false; // item not present
if (strcmp(p[1],szValue)!=0)
return false; // item has different value
}
p += 2;
}
}
return true; // everything matched
}
