def load(filename):
'''Load the scene contained in the file with the provided name.
The root node is returned
Currently the supported formats are psl, pslx, pslp.
'''
filename = os.path.abspath(filename)
dirname = os.path.dirname(filename)
with SetPath(dirname):
f = open(filename).read()
ast=[]
if filename.endswith(".psl"):
ast = pslparserhjson.parse(f)
elif filename.endswith(".pslx"):
ast = pslparserxml.parse(f)
elif filename.endswith(".pslp"):
ast = pslparserpickled.parse(f)
if len(ast) == 0:
rootNode = Sofa.createNode("root")
Sofa.msg_error(rootNode, "The file '"+filename+"' does not contains valid PSL content.")
return rootNode
directives = preProcess(ast[0][1])
if not directives["version"] in ["1.0"]:
rootNode = Sofa.createNode("root")
Sofa.msg_error(rootNode, "Unsupported PSLVersion"+str(directives["version"]))
return rootNode
g=globals()
g["__file__"]=filename
ret = pslengine.processTree(ast, directives, g)
return ret
return None
def load(filename):
'''Load the scene contained in the file with the provided name.
The root node is returned
Currently the supported formats are psl, pslx, pslp.
'''
filename = os.path.abspath(filename)
dirname = os.path.dirname(filename)
with SetPath(dirname):
f = open(filename).read()
ast = []
if filename.endswith(".psl"):
ast = pslparserhjson.parse(f)
elif filename.endswith(".pslx"):
ast = pslparserxml.parse(f)
elif filename.endswith(".pslp"):
ast = pslparserpickled.parse(f)
if len(ast) == 0:
rootNode = Sofa.createNode("root")
Sofa.msg_error(
rootNode, "The file '" + filename +
"' does not contains valid PSL content.")
return rootNode
directives = preProcess(ast[0][1])
if not directives["version"] in ["1.0"]:
rootNode = Sofa.createNode("root")
Sofa.msg_error(
rootNode,
"Unsupported PSLVersion" + str(directives["version"]))
return rootNode
g = globals()
g["__file__"] = filename
ret = pslengine.processTree(ast, directives, g)
return ret
return None
def processNode(parent, key, kv, stack, frame, doCreate=True):
global templates, aliases
stack.append(frame)
populateFrame(key, frame, stack)
if doCreate:
if parent == None:
tself = Sofa.createNode("undefined")
else:
tself = parent.createChild("undefined")
frame["self"] = tself
### Force all the data field into a non-persistant state.
for datafield in tself.getListOfDataFields():
datafield.setPersistant(False)
for link in tself.getListOfLinks():
link.setPersistant(False)
else:
tself = frame["self"] = parent
try:
if isinstance(kv, list):
for key, value in kv:
sofaAliasInitialName = None
if isinstance(key, unicode):
key = str(key)
if key in sofaAliases:
sofaAliasInitialName = key
key = sofaAliases[key]
if key in aliases:
key = aliases[key]
if key == "Import":
n = processImport(tself, key, value, stack, {})
elif key == "Node":
n = processNode(tself, key, value, stack, {})
elif key == "Python":
processPython(tself, key, value, stack, {})
elif key == "properties":
processProperties(tself, key, value, stack, {})
elif key == "Template":
tself.addObject(
processTemplate(tself, key, value, stack, {}))
elif key == "Using":
processAlias(tself, key, value, stack, frame)
elif key in sofaComponents:
o = processObject(tself, key, value, stack, {})
if o != None:
if isinstance(sofaAliasInitialName, str):
Sofa.msg_warning(
o, pslprefix + "'" + key +
" was created using the hard coded alias '" +
str(sofaAliasInitialName) + "'" +
". \nUsing hard coded aliases is a confusing practice and we advise you to use scene specific alias with the Alias keyword."
)
elif key in templates:
instanciateTemplate(tself, key, value, stack, frame)
else:
## we are on a cache hit...so we refresh the list.
refreshComponentListFromFactory()
if key in sofaComponents:
o = processObject(tself, key, value, stack, {})
if o != None:
tself.addObject(o)
processParameter(tself, key, value, stack, frame)
else:
raise Exception("This shouldn't happen, expecting only list")
except Exception, e:
s = SofaPython.getSofaFormattedStringFromException(e)
Sofa.msg_error(tself, "Problem while loading file. <br>" + s)
def processNode(parent, key, kv, stack, frame, doCreate=True):
global templates, aliases
stack.append(frame)
populateFrame(key, frame, stack)
if doCreate:
if parent == None:
tself = Sofa.createNode("undefined")
else:
tself = parent.createChild("undefined")
frame["self"] = tself
### Force all the data field into a non-persistant state.
for datafield in tself.getListOfDataFields():
datafield.setPersistant(False)
for link in tself.getListOfLinks():
link.setPersistant(False)
else:
tself = frame["self"] = parent
try:
if isinstance(kv, list):
for key,value in kv:
sofaAliasInitialName = None
if isinstance(key, unicode):
key = str(key)
if key in sofaAliases:
sofaAliasInitialName = key
key = sofaAliases[key]
if key in aliases:
key = aliases[key]
if key == "Import":
n = processImport(tself, key, value, stack, {})
elif key == "Node":
n = processNode(tself, key, value, stack, {})
elif key == "Python":
processPython(tself, key, value, stack, {})
elif key == "properties":
processProperties(tself, key, value, stack, {})
elif key == "Template":
tself.addObject( processTemplate(tself, key, value, stack, {}) )
elif key == "Using":
processAlias(tself, key,value, stack, frame)
elif key in sofaComponents:
o = processObject(tself, key, value, stack, {})
if o != None:
if isinstance(sofaAliasInitialName, str):
Sofa.msg_warning(o, pslprefix+"'"+key+" was created using the hard coded alias '"+str(sofaAliasInitialName)+"'"+". \nUsing hard coded aliases is a confusing practice and we advise you to use scene specific alias with the Alias keyword.")
elif key in templates:
instanciateTemplate(tself, key,value, stack, frame)
else:
## we are on a cache hit...so we refresh the list.
refreshComponentListFromFactory()
if key in sofaComponents:
o = processObject(tself, key, value, stack, {})
if o != None:
tself.addObject(o)
processParameter(tself, key, value, stack, frame)
else:
raise Exception("This shouldn't happen, expecting only list")
except Exception,e:
s=SofaPython.getSofaFormattedStringFromException(e)
Sofa.msg_error(tself, "Problem while loading file. <br>"+s)
