def composer_preprocessor(intermediate):
"""
Performs the following modifications to the intermediate:
- Promote questions token to top level of the ast
- Converts images to a base64 encoded string to appear directly in the HTML source
- Add text tags around the solution if they are not already present
:param intermediate: An intermediate parse object
:return: A modified intermediate
"""
def fix_solutions(token):
if not filters.has_name(token) and token.definition[0].startswith('<text>'):
token.definition = ['<text>'] + token.definition + ['</text>']
return token
def escape_html(token):
for i in range(len(token.definition)):
if not filters.has_name(token.definition[i]):
token.definition[i] = token.definition[i].replace('(', '(').replace(')', ')')
return token
intermediate.ast = filters.promote(intermediate.ast, 'questions')
intermediate.ast = filters.img64(intermediate.ast)
intermediate.ast = filters.apply_function(intermediate.ast, fix_solutions, 'solution')
intermediate.ast = filters.apply_function(intermediate.ast, escape_html, 'prompt')
return intermediate
def composer_preprocessor(intermediate):
"""
Performs the following modifications to the intermediate:
- Promote questions token to top level of the ast
- Converts images to a base64 encoded string to appear directly in the HTML source
- Add text tags around the solution if they are not already present
:param intermediate: An intermediate parse object
:return: A modified intermediate
"""
def fix_solutions(token):
if not filters.has_name(token) and token.definition[0].startswith(
'<text>'):
token.definition = ['<text>'] + token.definition + ['</text>']
return token
def escape_html(token):
for i in range(len(token.definition)):
if not filters.has_name(token.definition[i]):
token.definition[i] = token.definition[i].replace(
'(', '(').replace(')', ')')
return token
intermediate.ast = filters.promote(intermediate.ast, 'questions')
intermediate.ast = filters.img64(intermediate.ast)
intermediate.ast = filters.apply_function(intermediate.ast, fix_solutions,
'solution')
intermediate.ast = filters.apply_function(intermediate.ast, escape_html,
'prompt')
return intermediate
def composer_preprocessor(intermediate):
"""
Performs the following modifications to the intermediate:
- [filters.wrap_lists](%/Modules/fitlers.html) is called to warp all consecutive listitem tokens in a list token
- Converts images to a base64 encoded string to appear directly in the HTML source
- Verbatim blocks have leading whitespace evenly removed to help formatting in the case where verbatim blocks are
being read in from formatted source files
:param intermediate: The intermediate to process
:return: The processed intermediate
"""
intermediate.ast = filters.wrap_lists(intermediate.ast)
intermediate.ast = filters.img64(intermediate.ast)
intermediate.ast = filters.untab_verb(intermediate.ast)
return intermediate
def composer_preprocessor(intermediate):
"""
Performs the following modifications to the intermediate:
- [filters.wrap_lists](%/Modules/fitlers.html) is called to warp all consecutive listitem tokens in a list token
- Converts images to a base64 encoded string to appear directly in the HTML source
- Verbatim blocks have leading whitespace evenly removed to help formatting in the case where verbatim blocks are
being read in from formatted source files
:param intermediate: The intermediate to process
:return: The processed intermediate
"""
intermediate.ast = filters.wrap_lists(intermediate.ast)
intermediate.ast = filters.img64(intermediate.ast)
intermediate.ast = filters.untab_verb(intermediate.ast)
return intermediate
