static struct rx_node *_closure_term(struct parse_sp *ps)
{
struct rx_node *l, *n;
if (!(l = _term(ps)))
return NULL;
for (;;) {
switch (ps->type) {
case '*':
n = _node(ps->mem, STAR, l, NULL);
break;
case '+':
n = _node(ps->mem, PLUS, l, NULL);
break;
case '?':
n = _node(ps->mem, QUEST, l, NULL);
break;
default:
return l;
}
if (!n)
return_NULL;
_rx_get_token(ps);
l = n;
}
return n;
}
static struct rx_node *_term(struct parse_sp *ps)
{
struct rx_node *n;
switch (ps->type) {
case 0:
if (!(n = _node(ps->mem, CHARSET, NULL, NULL))) {
stack;
return NULL;
}
dm_bit_copy(n->charset, ps->charset);
_rx_get_token(ps); /* match charset */
break;
case '(':
_rx_get_token(ps); /* match '(' */
n = _or_term(ps);
if (ps->type != ')') {
log_error("missing ')' in regular expression");
return 0;
}
_rx_get_token(ps); /* match ')' */
break;
default:
n = 0;
}
return n;
}
static struct rx_node *_exchange_nodes(struct dm_pool *mem, struct rx_node *r,
struct rx_node *left_cat, struct rx_node *right_cat,
unsigned leftmost)
{
struct rx_node *new_r;
if (leftmost)
new_r = _node(mem, CAT, LEFT(left_cat), r);
else
new_r = _node(mem, CAT, r, LEFT(right_cat));
if (!new_r)
return_NULL;
memcpy(left_cat, RIGHT(left_cat), sizeof(*left_cat));
memcpy(right_cat, RIGHT(right_cat), sizeof(*right_cat));
return new_r;
}
size_t getNode( ) {
size_t n = UNKNOWN_INDEX;
if( m_available_node != UNKNOWN_INDEX ) {
n = m_available_node;
m_available_node = m_nodes[ m_available_node ].next;
} else {
n = m_nodes.size();
m_nodes.push_back( _node( ));
}
return n;
}
//---------------------------------------------------
// set the bind pose for a transform
//
MStatus DagHelper::setBindPoseInverse ( const MObject& node, const MMatrix& bindPoseInverse )
{
MStatus status;
MFnDependencyNode dgFn ( node );
MPlug bindPosePlug = dgFn.findPlug ( "bindPose", &status );
if ( status != MS::kSuccess )
{
MGlobal::displayWarning ( MString ( "No bindPose found on node " ) + dgFn.name() );
return status;
}
MFnMatrixData matrixFn;
MObject val = matrixFn.create ( bindPoseInverse.inverse(), &status );
MObject invval = matrixFn.create ( bindPoseInverse, &status );
if ( status != MS::kSuccess )
{
MGlobal::displayWarning ( MString ( "Error setting bindPose on node " ) + dgFn.name() );
return status;
}
// set the bind pose on the joint itself
bindPosePlug.setValue ( val );
// Now, perhaps more significantly, see if there's a
// skinCluster using this bone and update its bind
// pose (as the joint bind pose is not connected to
// the skin - it's set at bind time from the joint's
// current position, and our importer may not want to
// disturb the current scene state just to put bones
// in a bind position before creating skin clusters)
MObject _node ( node );
MItDependencyGraph it ( _node, MFn::kSkinClusterFilter );
while ( !it.isDone() )
{
MPlug plug = it.thisPlug();
unsigned int idx = plug.logicalIndex();
MFnDependencyNode skinFn ( plug.node() );
MPlug skinBindPosePlug = skinFn.findPlug ( "bindPreMatrix", &status );
if ( status == MS::kSuccess )
{
// The skinCluster stores inverse inclusive matrix
// so notice we use invval (the MObject created off
// the inverse matrix here)
skinBindPosePlug = skinBindPosePlug.elementByLogicalIndex ( idx );
skinBindPosePlug.setValue ( invval );
}
it.next();
}
return status;
}
static struct rx_node *_cat_term(struct parse_sp *ps)
{
struct rx_node *l, *r, *n;
if (!(l = _closure_term(ps)))
return NULL;
if (ps->type == '|')
return l;
if (!(r = _cat_term(ps)))
return l;
if (!(n = _node(ps->mem, CAT, l, r)))
stack;
return n;
}
static struct rx_node *_or_term(struct parse_sp *ps)
{
struct rx_node *l, *r, *n;
if (!(l = _cat_term(ps)))
return NULL;
if (ps->type != '|')
return l;
_rx_get_token(ps); /* match '|' */
if (!(r = _or_term(ps))) {
log_error("Badly formed 'or' expression");
return NULL;
}
if (!(n = _node(ps->mem, OR, l, r)))
stack;
return n;
}
xml::NodeList xml::Node::xpath(const std::string& expr) const
{
xml::NodeList nodes;
xmlXPathContextPtr ctx = xmlXPathNewContext(node->doc);
ctx->node = node;
xmlXPathObjectPtr obj = xmlXPathEvalExpression((xmlChar*) expr.c_str(), ctx);
if (!xmlXPathNodeSetIsEmpty(obj->nodesetval))
for (int i = 0; i < obj->nodesetval->nodeNr; i++) {
xmlNodePtr node = obj->nodesetval->nodeTab[i];
if (node->type == XML_ELEMENT_NODE) {
Node _node(node);
nodes.push_back(_node);
}
}
xmlXPathFreeObject(obj);
xmlXPathFreeContext(ctx);
return nodes;
}
