mirror of https://github.com/qpdf/qpdf.git
133 lines
3.9 KiB
Python
133 lines
3.9 KiB
Python
from collections import defaultdict
|
|
from operator import itemgetter
|
|
import re
|
|
|
|
from sphinx import addnodes
|
|
from sphinx.directives import ObjectDescription
|
|
from sphinx.domains import Domain, Index
|
|
from sphinx.roles import XRefRole
|
|
from sphinx.util.nodes import make_refnode
|
|
|
|
# Reference:
|
|
# https://www.sphinx-doc.org/en/master/development/tutorials/todo.html
|
|
# https://www.sphinx-doc.org/en/master/development/tutorials/recipe.html
|
|
|
|
# cSpell:ignore contnode
|
|
# cSpell:ignore docname
|
|
# cSpell:ignore docnames
|
|
# cSpell:ignore localname
|
|
# cSpell:ignore refnode
|
|
# cSpell:ignore signode
|
|
|
|
|
|
class OptionDirective(ObjectDescription):
|
|
has_content = True
|
|
|
|
def handle_signature(self, sig, signode):
|
|
signode += addnodes.desc_name(text=sig)
|
|
return sig
|
|
|
|
def add_target_and_index(self, name_cls, sig, signode):
|
|
m = re.match(r'^--([^\[= ]+)', sig)
|
|
if not m:
|
|
raise Exception('option must start with --')
|
|
option_name = m.group(1)
|
|
signode['ids'].append(f'option-{option_name}')
|
|
qpdf = self.env.get_domain('qpdf')
|
|
qpdf.add_option(sig, option_name)
|
|
|
|
|
|
class OptionIndex(Index):
|
|
name = 'options'
|
|
localname = 'qpdf Command-line Options'
|
|
shortname = 'Options'
|
|
|
|
def generate(self, docnames=None):
|
|
content = defaultdict(list)
|
|
options = self.domain.get_objects()
|
|
options = sorted(options, key=itemgetter(0))
|
|
|
|
# name, subtype, docname, anchor, extra, qualifier, description
|
|
for name, display_name, typ, docname, anchor, _ in options:
|
|
m = re.match(r'^(--([^\[= ]+))', display_name)
|
|
if not m:
|
|
raise Exception(
|
|
'OptionIndex.generate: display name not as expected')
|
|
content[m.group(2)[0].lower()].append(
|
|
(m.group(1), 0, docname, anchor, '', '', typ))
|
|
|
|
content = sorted(content.items())
|
|
return content, True
|
|
|
|
|
|
class QpdfDomain(Domain):
|
|
name = 'qpdf'
|
|
label = 'qpdf documentation domain'
|
|
roles = {
|
|
'ref': XRefRole()
|
|
}
|
|
directives = {
|
|
'option': OptionDirective,
|
|
}
|
|
indices = {
|
|
OptionIndex,
|
|
}
|
|
initial_data = {
|
|
'options': [], # object list
|
|
}
|
|
|
|
def get_full_qualified_name(self, node):
|
|
return '{}.{}'.format('option', node.arguments[0])
|
|
|
|
def get_objects(self):
|
|
for obj in self.data['options']:
|
|
yield(obj)
|
|
|
|
def resolve_xref(self, env, from_doc_name, builder, typ, target, node,
|
|
contnode):
|
|
match = [(docname, anchor)
|
|
for name, sig, typ, docname, anchor, priority
|
|
in self.get_objects() if name == f'option.{target[2:]}']
|
|
|
|
if len(match) > 0:
|
|
to_doc_name = match[0][0]
|
|
match_target = match[0][1]
|
|
return make_refnode(builder, from_doc_name, to_doc_name,
|
|
match_target, contnode, match_target)
|
|
else:
|
|
raise Exception(f'invalid option xref ({target})')
|
|
|
|
def add_option(self, signature, option_name):
|
|
if self.env.docname != 'cli':
|
|
raise Exception(
|
|
'qpdf:option directives don\'t work outside of cli.rst')
|
|
|
|
name = f'option.{option_name}'
|
|
anchor = f'option-{option_name}'
|
|
|
|
# name, display_name, type, docname, anchor, priority
|
|
self.data['options'].append(
|
|
(name, signature, '', self.env.docname, anchor, 0))
|
|
|
|
def purge_options(self, docname):
|
|
self.data['options'] = list([
|
|
x for x in self.data['options']
|
|
if x[3] != docname
|
|
])
|
|
|
|
|
|
def purge_options(app, env, docname):
|
|
option = env.get_domain('qpdf')
|
|
option.purge_options(docname)
|
|
|
|
|
|
def setup(app):
|
|
app.add_domain(QpdfDomain)
|
|
app.connect('env-purge-doc', purge_options)
|
|
|
|
return {
|
|
'version': '0.1',
|
|
'parallel_read_safe': True,
|
|
'parallel_write_safe': True,
|
|
}
|