# -*- coding: utf-8 -*-

# Copyright (c) 2022 Manuel Schneider

import re

import unicodedata

from pathlib import Path

from pylatexenc.latex2text import LatexNodes2Text

from albert import *

md_iid = '2.0'

md_version = "1.2"

md_name = "TeX to Unicode"

md_description = "Convert TeX mathmode commands to unicode characters"

md_license = "GPL-3.0"

md_url = "https://github.com/albertlauncher/python/"

md_lib_dependencies = "pylatexenc"

md_maintainers = "@DenverCoder1"

class Plugin(PluginInstance, TriggerQueryHandler):

def __init__(self):

TriggerQueryHandler.__init__(self,

id=md_id,

name=md_name,

description=md_description,

synopsis='<tex input>',

defaultTrigger='tex ')

PluginInstance.__init__(self, extensions=[self])

self.COMBINING_LONG_SOLIDUS_OVERLAY = "\u0338"

self.iconUrls = [f"file:{Path(__file__).parent}/tex.png"]

def _create_item(self, text: str, subtext: str, can_copy: bool) -> Item:

actions = []

if can_copy:

actions.append(

Action(

"copy",

"Copy result to clipboard",

lambda t=text: setClipboardText(t),

)

)

return StandardItem(

id=md_id,

text=text,

subtext=subtext,

iconUrls=self.iconUrls,

actions=actions,

)

def handleTriggerQuery(self, query: TriggerQuery) -> None:

stripped = query.string.strip()

if not stripped:

return

if not stripped.startswith("\\"):

stripped = "\\" + stripped

# Remove double backslashes (newlines)

stripped = stripped.replace("\\\\", " ")

# pylatexenc doesn't support \not

stripped = stripped.replace("\\not", "@NOT@")

n = LatexNodes2Text()

result = n.latex_to_text(stripped)

if not result:

query.add(self._create_item(stripped, "Type some TeX math", False))

return

# success

result = unicodedata.normalize("NFC", result)

result = re.sub(r"@NOT@\s*(\S)", "\\1" + self.COMBINING_LONG_SOLIDUS_OVERLAY, result)

result = result.replace("@NOT@", "")

result = unicodedata.normalize("NFC", result)

query.add(self._create_item(result, "Result", True))