def EndParsing(self):
'''Called at the end of parsing.'''
# TODO(joi) Rewrite this, it's extremely ugly!
if len(self.mixed_content):
if isinstance(self.mixed_content[0], types.StringTypes):
# Remove leading and trailing chunks of pure whitespace.
while (len(self.mixed_content) and
isinstance(self.mixed_content[0], types.StringTypes) and
self.mixed_content[0].strip() == ''):
self.mixed_content = self.mixed_content[1:]
# Strip leading and trailing whitespace from mixed content chunks
# at front and back.
if (len(self.mixed_content) and
isinstance(self.mixed_content[0], types.StringTypes)):
self.mixed_content[0] = self.mixed_content[0].lstrip()
# Remove leading and trailing ''' (used to demarcate whitespace)
if (len(self.mixed_content) and
isinstance(self.mixed_content[0], types.StringTypes)):
if self.mixed_content[0].startswith("'''"):
self.mixed_content[0] = self.mixed_content[0][3:]
if len(self.mixed_content):
if isinstance(self.mixed_content[-1], types.StringTypes):
# Same stuff all over again for the tail end.
while (len(self.mixed_content) and
isinstance(self.mixed_content[-1], types.StringTypes) and
self.mixed_content[-1].strip() == ''):
self.mixed_content = self.mixed_content[:-1]
if (len(self.mixed_content) and
isinstance(self.mixed_content[-1], types.StringTypes)):
self.mixed_content[-1] = self.mixed_content[-1].rstrip()
if (len(self.mixed_content) and
isinstance(self.mixed_content[-1], types.StringTypes)):
if self.mixed_content[-1].endswith("'''"):
self.mixed_content[-1] = self.mixed_content[-1][:-3]
# Check that all mandatory attributes are there.
for node_mandatt in self.MandatoryAttributes():
mandatt_list = []
if node_mandatt.find('|') >= 0:
mandatt_list = node_mandatt.split('|')
else:
mandatt_list.append(node_mandatt)
mandatt_option_found = False
for mandatt in mandatt_list:
assert mandatt not in self.DefaultAttributes().keys()
if mandatt in self.attrs:
if not mandatt_option_found:
mandatt_option_found = True
else:
raise exception.MutuallyExclusiveMandatoryAttribute(mandatt)
if not mandatt_option_found:
raise exception.MissingMandatoryAttribute(mandatt)
# Add default attributes if not specified in input file.
for defattr in self.DefaultAttributes():
if not defattr in self.attrs:
self.attrs[defattr] = self.DefaultAttributes()[defattr]
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)))
