gtsam/wrap/docs/parser/parse_xml.py

123 lines
3.2 KiB
Python

import os
from docs.doc_template import ClassDoc, Doc, Docs, FreeDoc
import os.path as path
import xml.etree.ElementTree as ET
DOXYGEN_CONF = 'doxygen.conf'
def parse(input_path, output_path, quiet=False, generate_xml_flag=True):
'''Parse the files for documentation and store it in templates.
Arguments:
input_path -- path to the input folder or file
output_path -- path to the output folder
quiet -- turn on/off the messages that are generated to standard output by
Doxygen (default = False)
generate_xml -- use Doxygen to generate xml (default = True)
Returns:
A Docs template storing all the documentation in the input.
'''
if generate_xml_flag:
generate_xml(input_path, output_path, quiet)
class_docs = {}
free_docs = {}
for root, dirs, files in os.walk(output_path):
for f in files:
if f.endswith('.xml'):
file_path = path.join(root, f)
doc = init_doc(file_path)
if isinstance(doc, ClassDoc):
class_docs[file_path] = doc
return Docs(class_docs, free_docs)
def generate_xml(input_path, output_path, quiet=False):
'''Parse the file for documentation and output it as in an xml format'''
if not quiet:
print('--------------Generating XML--------------')
input_path = path.relpath(input_path, os.getcwd())
conf_path = path.relpath(path.join(path.dirname(__file__), DOXYGEN_CONF))
output_path = path.relpath(output_path)
if not path.isdir(output_path):
os.mkdir(output_path)
command = '( cat {conf_path} ; echo "INPUT={input_path}" ; echo "OUTPUT_DIRECTORY={output_path}" ; echo "EXTRACT_ALL={quiet}" ) | doxygen -'.format(
conf_path=conf_path,
input_path=input_path,
output_path=output_path,
quiet='YES' if quiet else 'NO'
)
os.system(command)
def categorize_xml(tree):
'''Determine the type of the object the xml tree represents.
Arguments:
tree -- an xml tree or path to xml string
'''
if isinstance(tree, str):
tree = ET.parse(tree)
first_compound_def = find_first_element_with_tag(tree, 'compounddef')
if first_compound_def is None:
return first_compound_def
return first_compound_def.get('kind')
def init_doc(file_path):
'''Initialize documentation given its type.
Categorize the xml tree at file_path and initiliaze the corresponding doc
type with the xml tree and other relevant information.
Arguments:
file_path -- path to the xml tree
Returns:
An initialized Doc
'''
tree = ET.parse(file_path)
category = categorize_xml(tree)
if category == 'class':
return ClassDoc(tree)
def find_first_element_with_tag(tree, tag):
if tree.getroot().tag == tag:
return tree.getroot()
return tree.find('.//{}'.format(tag))
def find_all_elements(tree, name, tag):
return tree.find('.//{}'.format(tag))
def find_method_element_text(method, name):
element = method.find(name)
if element is None:
return None
out = '' if element.text is None else element.text
for e in list(element):
out += e.text
return out