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# License: New BSD License.

# Website: http://code.google.com/p/cefpython/

# -----------------------------------------------------------------------------

# PyStringVisitor

# -----------------------------------------------------------------------------

cdef object g_userStringVisitors = weakref.WeakValueDictionary()

cdef int g_userStringVisitorMaxId = 0

cdef int StoreUserStringVisitor(object userStringVisitor) except *:

global g_userStringVisitorMaxId

global g_userStringVisitors

g_userStringVisitorMaxId += 1

g_userStringVisitors[g_userStringVisitorMaxId] = userStringVisitor

return g_userStringVisitorMaxId

cdef PyStringVisitor GetUserStringVisitor(int stringVisitorId):

global g_userStringVisitors

cdef object userStringVisitor

cdef PyStringVisitor pyStringVisitor

if stringVisitorId in g_userStringVisitors:

userStringVisitor = g_userStringVisitors[stringVisitorId]

pyStringVisitor = PyStringVisitor(userStringVisitor)

return pyStringVisitor

cdef class PyStringVisitor:

cdef object userStringVisitor

def __init__(self, object userStringVisitor):

self.userStringVisitor = userStringVisitor

cdef object GetCallback(self, str funcName):

if self.userStringVisitor and (

hasattr(self.userStringVisitor, funcName) and (

callable(getattr(self.userStringVisitor, funcName)))):

return getattr(self.userStringVisitor, funcName)

# -----------------------------------------------------------------------------

# C++ StringVisitor

# -----------------------------------------------------------------------------

cdef CefRefPtr[CefStringVisitor] CreateStringVisitor(

object userStringVisitor) except *:

if not userStringVisitor:

raise Exception("userStringVisitor object missing")

if not hasattr(userStringVisitor, "Visit"):

raise Exception("userStringVisitor object is missing Visit() method")

cdef int stringVisitorId = StoreUserStringVisitor(userStringVisitor)

cdef CefRefPtr[CefStringVisitor] cefStringVisitor = (

<CefRefPtr[CefStringVisitor]?>new StringVisitor(stringVisitorId))

return cefStringVisitor

cdef public void StringVisitor_Visit(

int stringVisitorId,

const CefString& string

) except * with gil:

cdef str pyString

cdef PyStringVisitor userStringVisitor

cdef object callback

try:

pyString = CefToPyString(string)

userStringVisitor = GetUserStringVisitor(stringVisitorId)

if userStringVisitor:

callback = userStringVisitor.GetCallback("Visit")

if callback:

callback(pyString)

except:

(exc_type, exc_value, exc_trace) = sys.exc_info()

sys.excepthook(exc_type, exc_value, exc_trace)

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