def endElement(self, name):
if self.ignore_depth:
self.ignore_depth -= 1
return
if name == 'part':
partnode = self.stack[-1]
partnode.started_inclusion = True
# Add the contents of the sub-grd file as children of the <part> node.
partname = os.path.join(self.dir, partnode.GetInputPath())
# Check the GRDP file exists.
if not os.path.exists(partname):
raise exception.FileNotFound(partname)
# Exceptions propagate to the handler in grd_reader.Parse().
oldsource = self.source
try:
self.source = partname
xml.sax.parse(partname, GrdPartContentHandler(self))
finally:
self.source = oldsource
if self.debug:
print("End parsing of element %s" % name)
self.stack.pop().EndParsing()
if name == self.stop_after:
raise StopParsingException()
def _FindInputFile(self):
output_context = self.grd_node.GetRoot().output_context
match = self.split_context_re_.match(output_context)
if not match:
raise exception.MissingMandatoryAttribute(
'All <output> nodes must have an appropriate context attribute'
' (e.g. context="touch_200_percent")')
req_layout, req_scale = match.group(1), int(match.group(2))
layouts = [req_layout]
if 'default' not in layouts:
layouts.append('default')
scales = [req_scale]
try_low_res = self.grd_node.FindBooleanAttribute(
'fallback_to_low_resolution', default=False, skip_self=False)
if try_low_res and 100 not in scales:
scales.append(100)
for layout in layouts:
for scale in scales:
dir = '%s_%s_percent' % (layout, scale)
path = os.path.join(dir, self.rc_file)
if os.path.exists(self.grd_node.ToRealPath(path)):
return path, scale, req_scale
# If we get here then the file is missing, so fail.
dir = "%s_%s_percent" % (_MakeBraceGlob(layouts),
_MakeBraceGlob(map(str, scales)))
raise exception.FileNotFound(
'Tried ' +
self.grd_node.ToRealPath(os.path.join(dir, self.rc_file)))
def _FindInputFile(self):
output_context = self.grd_node.GetRoot().output_context
match = self.split_context_re_.match(output_context)
if not match:
raise exception.MissingMandatoryAttribute(
'All <output> nodes must have an appropriate context attribute'
' (e.g. context="touch_200_percent")')
req_layout, req_scale = match.group(1), int(match.group(2))
layouts = [req_layout]
try_default_layout = self.grd_node.GetRoot().fallback_to_default_layout
if try_default_layout and 'default' not in layouts:
layouts.append('default')
# TODO(tdanderson): Search in descending order of all image scales
# instead of immediately falling back to 100.
# See crbug.com/503643.
scales = [req_scale]
try_low_res = self.grd_node.FindBooleanAttribute(
'fallback_to_low_resolution', default=False, skip_self=False)
if try_low_res and 100 not in scales:
scales.append(100)
for layout in layouts:
for scale in scales:
dir = '%s_%s_percent' % (layout, scale)
path = os.path.join(dir, self.rc_file)
if os.path.exists(self.grd_node.ToRealPath(path)):
return path, scale, req_scale
if not try_default_layout:
# The file was not found in the specified output context and it was
# explicitly indicated that the default context should not be searched
# as a fallback, so return an empty path.
return None, 100, req_scale
# The file was found in neither the specified context nor the default
# context, so raise an exception.
dir = "%s_%s_percent" % (_MakeBraceGlob(layouts),
_MakeBraceGlob(map(str, scales)))
raise exception.FileNotFound(
'Tried ' +
self.grd_node.ToRealPath(os.path.join(dir, self.rc_file)))
