/*
/**********************************************************
/* Public API, traversal
/**********************************************************
*/
/// <exception cref="System.IO.IOException"/>
public override com.fasterxml.jackson.core.JsonToken nextToken()
{
// Anything buffered?
com.fasterxml.jackson.core.filter.TokenFilterContext ctxt = _exposedContext;
if (ctxt != null)
{
while (true)
{
com.fasterxml.jackson.core.JsonToken t = ctxt.nextTokenToRead();
if (t != null)
{
_currToken = t;
return t;
}
// all done with buffered stuff?
if (ctxt == _headContext)
{
_exposedContext = null;
if (ctxt.inArray())
{
t = delegate_.getCurrentToken();
// Is this guaranteed to work without further checks?
// if (t != JsonToken.START_ARRAY) {
_currToken = t;
return t;
}
// Almost! Most likely still have the current token;
// with the sole exception of
/*
t = delegate.getCurrentToken();
if (t != JsonToken.FIELD_NAME) {
_currToken = t;
return t;
}
*/
break;
}
// If not, traverse down the context chain
ctxt = _headContext.findChildOf(ctxt);
_exposedContext = ctxt;
if (ctxt == null)
{
// should never occur
throw _constructError("Unexpected problem: chain of filtered context broken");
}
}
}
// If not, need to read more. If we got any:
com.fasterxml.jackson.core.JsonToken t_1 = delegate_.nextToken();
if (t_1 == null)
{
// no strict need to close, since we have no state here
return (_currToken = t_1);
}
// otherwise... to include or not?
com.fasterxml.jackson.core.filter.TokenFilter f;
switch (t_1.id())
{
case JsonTokenIdConstants.ID_START_ARRAY:
{
f = _itemFilter;
if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL)
{
_headContext = _headContext.createChildArrayContext(f, true);
return (_currToken = t_1);
}
if (f == null)
{
// does this occur?
delegate_.skipChildren();
break;
}
// Otherwise still iffy, need to check
f = _headContext.checkValue(f);
if (f == null)
{
delegate_.skipChildren();
break;
}
if (f != com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL)
{
f = f.filterStartArray();
}
_itemFilter = f;
if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL)
{
_headContext = _headContext.createChildArrayContext(f, true);
return (_currToken = t_1);
}
_headContext = _headContext.createChildArrayContext(f, false);
// Also: only need buffering if parent path to be included
if (_includePath)
{
t_1 = _nextTokenWithBuffering(_headContext);
if (t_1 != null)
{
_currToken = t_1;
return t_1;
}
}
break;
}
case JsonTokenIdConstants.ID_START_OBJECT:
{
f = _itemFilter;
if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL)
{
_headContext = _headContext.createChildObjectContext(f, true);
return (_currToken = t_1);
}
if (f == null)
{
// does this occur?
delegate_.skipChildren();
break;
}
// Otherwise still iffy, need to check
f = _headContext.checkValue(f);
if (f == null)
{
delegate_.skipChildren();
break;
}
if (f != com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL)
{
f = f.filterStartObject();
}
_itemFilter = f;
if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL)
{
_headContext = _headContext.createChildObjectContext(f, true);
return (_currToken = t_1);
}
_headContext = _headContext.createChildObjectContext(f, false);
// Also: only need buffering if parent path to be included
if (_includePath)
{
t_1 = _nextTokenWithBuffering(_headContext);
if (t_1 != null)
{
_currToken = t_1;
return t_1;
}
}
// note: inclusion of surrounding Object handled separately via
// FIELD_NAME
break;
}
case JsonTokenIdConstants.ID_END_ARRAY:
case JsonTokenIdConstants.ID_END_OBJECT:
{
bool returnEnd = _headContext.isStartHandled();
f = _headContext.getFilter();
if ((f != null) && (f != com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL
))
{
f.filterFinishArray();
}
_headContext = ((com.fasterxml.jackson.core.filter.TokenFilterContext)_headContext
.getParent());
_itemFilter = _headContext.getFilter();
if (returnEnd)
{
return (_currToken = t_1);
}
break;
}
case JsonTokenIdConstants.ID_FIELD_NAME:
{
string name = delegate_.getCurrentName();
// note: this will also set 'needToHandleName'
f = _headContext.setFieldName(name);
if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL)
{
_itemFilter = f;
if (!_includePath)
{
// Minor twist here: if parent NOT included, may need to induce output of
// surrounding START_OBJECT/END_OBJECT
if (_includeImmediateParent && !_headContext.isStartHandled())
{
t_1 = _headContext.nextTokenToRead();
// returns START_OBJECT but also marks it handled
_exposedContext = _headContext;
}
}
return (_currToken = t_1);
}
if (f == null)
{
delegate_.nextToken();
delegate_.skipChildren();
break;
}
f = f.includeProperty(name);
if (f == null)
{
delegate_.nextToken();
delegate_.skipChildren();
break;
}
_itemFilter = f;
if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL)
{
if (_includePath)
{
return (_currToken = t_1);
}
}
if (_includePath)
{
t_1 = _nextTokenWithBuffering(_headContext);
if (t_1 != null)
{
_currToken = t_1;
return t_1;
}
}
break;
}
default:
{
// scalar value
f = _itemFilter;
if (f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL)
{
return (_currToken = t_1);
}
if (f != null)
{
f = _headContext.checkValue(f);
if ((f == com.fasterxml.jackson.core.filter.TokenFilter.INCLUDE_ALL) || ((f != null
) && f.includeValue(delegate_)))
{
return (_currToken = t_1);
}
}
// Otherwise not included (leaves must be explicitly included)
break;
}
}
// We get here if token was not yet found; offlined handling
return _nextToken2();
}
/// <exception cref="System.IO.IOException"/>
private com.fasterxml.jackson.core.JsonToken _nextBuffered(com.fasterxml.jackson.core.filter.TokenFilterContext
buffRoot)
{
_exposedContext = buffRoot;
com.fasterxml.jackson.core.filter.TokenFilterContext ctxt = buffRoot;
com.fasterxml.jackson.core.JsonToken t = ctxt.nextTokenToRead();
if (t != null)
{
return t;
}
while (true)
{
// all done with buffered stuff?
if (ctxt == _headContext)
{
throw _constructError("Internal error: failed to locate expected buffered tokens"
);
}
/*
_exposedContext = null;
break;
*/
// If not, traverse down the context chain
ctxt = _exposedContext.findChildOf(ctxt);
_exposedContext = ctxt;
if (ctxt == null)
{
// should never occur
throw _constructError("Unexpected problem: chain of filtered context broken");
}
t = _exposedContext.nextTokenToRead();
if (t != null)
{
return t;
}
}
}
