213 lines
6.8 KiB
Python
213 lines
6.8 KiB
Python
# Copyright: Ankitects Pty Ltd and contributors
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# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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"""
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This file contains code that is no longer used by Anki. It is left around
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for now as an example of how the stock field filters can be implemented using
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the legacy addHook() API.
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"""
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# from __future__ import annotations
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#
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# import re
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# from typing import Any, Callable
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#
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# from anki.lang import _
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# from anki.template import (
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# CLOZE_REGEX_MATCH_GROUP_CONTENT,
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# CLOZE_REGEX_MATCH_GROUP_HINT,
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# CLOZE_REGEX_MATCH_GROUP_TAG,
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# clozeReg,
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# )
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# from anki.utils import stripHTML
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#
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# # Cloze filter
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# ##########################################################################
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#
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#
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# def _clozeText(txt: str, ord: str, type: str) -> str:
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# """Process the given Cloze deletion within the given template."""
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# reg = clozeReg
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# currentRegex = clozeReg % ord
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# if not re.search(currentRegex, txt):
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# # No Cloze deletion was found in txt.
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# return ""
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# txt = _removeFormattingFromMathjax(txt, ord)
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#
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# def repl(m):
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# # replace chosen cloze with type
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# if type == "q":
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# if m.group(CLOZE_REGEX_MATCH_GROUP_HINT):
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# buf = "[%s]" % m.group(CLOZE_REGEX_MATCH_GROUP_HINT)
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# else:
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# buf = "[...]"
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# else:
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# buf = m.group(CLOZE_REGEX_MATCH_GROUP_CONTENT)
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# # uppercase = no formatting
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# if m.group(CLOZE_REGEX_MATCH_GROUP_TAG) == "c":
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# buf = "<span class=cloze>%s</span>" % buf
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# return buf
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#
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# txt = re.sub(currentRegex, repl, txt)
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# # and display other clozes normally
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# return re.sub(reg % r"\d+", "\\2", txt)
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#
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#
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# def _removeFormattingFromMathjax(txt, ord) -> str:
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# """Marks all clozes within MathJax to prevent formatting them.
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#
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# Active Cloze deletions within MathJax should not be wrapped inside
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# a Cloze <span>, as that would interfere with MathJax.
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#
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# This method finds all Cloze deletions number `ord` in `txt` which are
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# inside MathJax inline or display formulas, and replaces their opening
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# '{{c123' with a '{{C123'. The clozeText method interprets the upper-case
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# C as "don't wrap this Cloze in a <span>".
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# """
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# creg = clozeReg.replace("(?si)", "")
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#
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# # Scan the string left to right.
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# # After a MathJax opening - \( or \[ - flip in_mathjax to True.
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# # After a MathJax closing - \) or \] - flip in_mathjax to False.
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# # When a Cloze pattern number `ord` is found and we are in MathJax,
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# # replace its '{{c' with '{{C'.
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# #
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# # TODO: Report mismatching opens/closes - e.g. '\(\]'
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# # TODO: Report errors in this method better than printing to stdout.
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# # flags in middle of expression deprecated
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# in_mathjax = False
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#
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# def replace(match):
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# nonlocal in_mathjax
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# if match.group("mathjax_open"):
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# if in_mathjax:
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# print("MathJax opening found while already in MathJax")
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# in_mathjax = True
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# elif match.group("mathjax_close"):
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# if not in_mathjax:
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# print("MathJax close found while not in MathJax")
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# in_mathjax = False
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# elif match.group("cloze"):
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# if in_mathjax:
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# return match.group(0).replace(
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# "{{c{}::".format(ord), "{{C{}::".format(ord)
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# )
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# else:
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# print("Unexpected: no expected capture group is present")
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# return match.group(0)
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#
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# # The following regex matches one of:
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# # - MathJax opening
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# # - MathJax close
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# # - Cloze deletion number `ord`
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# return re.sub(
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# r"(?si)"
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# r"(?P<mathjax_open>\\[([])|"
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# r"(?P<mathjax_close>\\[\])])|"
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# r"(?P<cloze>" + (creg % ord) + ")",
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# replace,
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# txt,
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# )
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#
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# def test_remove_formatting_from_mathjax():
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# assert _removeFormattingFromMathjax(r"\(2^{{c3::2}}\)", 3) == r"\(2^{{C3::2}}\)"
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#
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# txt = (
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# r"{{c1::ok}} \(2^2\) {{c2::not ok}} \(2^{{c3::2}}\) \(x^3\) "
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# r"{{c4::blah}} {{c5::text with \(x^2\) jax}}"
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# )
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# # Cloze 2 is not in MathJax, so it should not get protected against
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# # formatting.
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# assert _removeFormattingFromMathjax(txt, 2) == txt
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#
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# txt = r"\(a\) {{c1::b}} \[ {{c1::c}} \]"
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# assert _removeFormattingFromMathjax(txt, 1) == (r"\(a\) {{c1::b}} \[ {{C1::c}} \]")
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#
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#
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#
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# def _cloze_filter(field_text: str, filter_args: str, q_or_a: str):
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# return _clozeText(field_text, filter_args, q_or_a)
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#
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#
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# def cloze_qfilter(field_text: str, filter_args: str, *args):
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# return _cloze_filter(field_text, filter_args, "q")
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#
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#
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# def cloze_afilter(field_text: str, filter_args: str, *args):
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# return _cloze_filter(field_text, filter_args, "a")
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#
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#
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# addHook("fmod_cq", cloze_qfilter)
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# addHook("fmod_ca", cloze_afilter)
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#
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# # Other filters
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# ##########################################################################
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#
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#
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# def hint_filter(txt: str, args, context, tag: str, fullname) -> str:
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# if not txt.strip():
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# return ""
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# # random id
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# domid = "hint%d" % id(txt)
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# return """
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# <a class=hint href="#"
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# onclick="this.style.display='none';document.getElementById('%s').style.display='block';return false;">
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# %s</a><div id="%s" class=hint style="display: none">%s</div>
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# """ % (
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# domid,
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# _("Show %s") % tag,
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# domid,
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# txt,
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# )
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#
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#
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# FURIGANA_RE = r" ?([^ >]+?)\[(.+?)\]"
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# RUBY_REPL = r"<ruby><rb>\1</rb><rt>\2</rt></ruby>"
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#
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#
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# def replace_if_not_audio(repl: str) -> Callable[[Any], Any]:
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# def func(match):
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# if match.group(2).startswith("sound:"):
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# # return without modification
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# return match.group(0)
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# else:
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# return re.sub(FURIGANA_RE, repl, match.group(0))
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#
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# return func
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#
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#
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# def without_nbsp(s: str) -> str:
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# return s.replace(" ", " ")
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#
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#
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# def kanji_filter(txt: str, *args) -> str:
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# return re.sub(FURIGANA_RE, replace_if_not_audio(r"\1"), without_nbsp(txt))
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#
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#
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# def kana_filter(txt: str, *args) -> str:
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# return re.sub(FURIGANA_RE, replace_if_not_audio(r"\2"), without_nbsp(txt))
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#
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#
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# def furigana_filter(txt: str, *args) -> str:
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# return re.sub(FURIGANA_RE, replace_if_not_audio(RUBY_REPL), without_nbsp(txt))
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#
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#
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# def text_filter(txt: str, *args) -> str:
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# return stripHTML(txt)
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#
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#
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# def type_answer_filter(txt: str, filter_args: str, context, tag: str, dummy) -> str:
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# # convert it to [[type:...]] for the gui code to process
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# if filter_args:
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# return f"[[type:{filter_args}:{tag}]]"
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# else:
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# return f"[[type:{tag}]]"
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#
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#
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# addHook("fmod_text", text_filter)
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# addHook("fmod_type", type_answer_filter)
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# addHook("fmod_hint", hint_filter)
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# addHook("fmod_kanji", kanji_filter)
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# addHook("fmod_kana", kana_filter)
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# addHook("fmod_furigana", furigana_filter)
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