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Viewer: Don't map epub:type to ARIA role

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Apparently the EPUB committee has decided not to phase out epub:type
after all, so keep it around. This way it can be used in namespaced
CSS stylesheets.
This commit is contained in:
Kovid Goyal 2019-10-17 12:23:59 +05:30
parent 7369171e33
commit 27d3a28a1d
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GPG Key ID: 06BC317B515ACE7C
2 changed files with 2 additions and 66 deletions
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66
src/calibre/srv/render_book.py
View File

@ -8,7 +8,7 @@ import json
import os
import re
import sys
from collections import OrderedDict, defaultdict
from collections import defaultdict
from datetime import datetime
from functools import partial
from itertools import count
@ -142,37 +142,11 @@ def transform_declaration(decl):
return changed
def replace_epub_type_selector(m):
which = m.group(2)
roleval = EPUB_TYPE_MAP.get(which)
if roleval is None:
return m.group()
return 'role{}"{}"'.format(m.group(1), roleval)
def epub_type_pat():
ans = getattr(epub_type_pat, 'ans', None)
if ans is None:
ans = epub_type_pat.ans = re.compile(r'epub\|type([$*~]?=)"(\S+)"')
return ans
def transform_selector(rule):
selector = rule.selectorText
if 'epub|type' in selector:
ns, num = epub_type_pat().subn(replace_epub_type_selector, selector)
if num > 0 and ns != selector:
rule.selectorText = ns
return True
def transform_sheet(sheet):
changed = False
for rule in sheet.cssRules.rulesOfType(CSSRule.STYLE_RULE):
if transform_declaration(rule.style):
changed = True
if transform_selector(rule):
changed = True
return changed
@ -543,41 +517,6 @@ def split_name(name):
boolean_attributes = frozenset('allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,default,defaultchecked,defaultmuted,defaultselected,defer,disabled,enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,required,reversed,scoped,seamless,selected,sortable,truespeed,typemustmatch,visible'.split(',')) # noqa
# see https://idpf.github.io/epub-guides/epub-aria-authoring/
EPUB_TYPE_MAP = {k:'doc-' + k for k in (
'abstract acknowledgements afterword appendix biblioentry bibliography biblioref chapter colophon conclusion cover credit'
' credits dedication epigraph epilogue errata footnote footnotes forward glossary glossref index introduction link noteref notice'
' pagebreak pagelist part preface prologue pullquote qna locator subtitle title toc').split(' ')}
for k in 'figure term definition directory list list-item table row cell'.split(' '):
EPUB_TYPE_MAP[k] = k
EPUB_TYPE_MAP['help'] = 'doc-tip'
EPUB_TYPE_MAP['page-list'] = 'doc-pagelist'
def map_epub_type(epub_type, attribs, elem):
val = EPUB_TYPE_MAP.get(epub_type.lower())
if val:
role = None
in_attribs = None
for i, x in enumerate(attribs):
if x[0] == 'role':
role = x[1]
in_attribs = i
break
else:
role = elem.get('role')
roles = OrderedDict([(k, True) for k in role.split()]) if role else OrderedDict()
if val not in roles:
roles[val] = True
role = ' '.join(roles)
if in_attribs is None:
attribs.append(['role', role])
else:
attribs[in_attribs] = ['role', role]
return True
return False
known_tags = ('img', 'script', 'link', 'image', 'style')
discarded_tags = ('meta', 'base')
@ -611,9 +550,6 @@ def serialize_elem(elem, nsmap):
if val and val.lower() in (al, ''):
attribs.append([al, al])
continue
if attr_ns == EPUB_NS and al == 'type':
map_epub_type(val, attribs, elem)
continue
attrib = [aname, val]
if attr_ns:
attr_ns = nsmap[attr_ns]

2
src/pyj/read_book/resources.pyj
View File

@ -164,7 +164,7 @@ def finalize_resources(book, root_name, resource_data):
js_types = {k: True for k in 'text/javascript text/ecmascript application/javascript application/ecmascript'.split(' ')}
resource_tag_names = {'script':'src', 'link':'href', 'img':'src', 'image':'xlink:href'}
ns_rmap = {'http://www.w3.org/2000/svg':'svg', 'http://www.w3.org/1999/xlink':'xlink', 'http://www.w3.org/1998/Math/MathML':'math', 'http://www.w3.org/XML/1998/namespace': 'xml'}
ns_rmap = {'http://www.w3.org/2000/svg':'svg', 'http://www.w3.org/1999/xlink':'xlink', 'http://www.w3.org/1998/Math/MathML':'math', 'http://www.w3.org/XML/1998/namespace': 'xml', 'http://www.idpf.org/2007/ops': 'epub'}
ns_count = 0
hide_tooltips = False