src/eric7/QScintilla/MarkupProviders/__init__.py

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

# Copyright (c) 2017 - 2022 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Package providing various markup providers.
"""

import os

import Preferences


def getMarkupProvider(editor):
    """
    Public method to get a markup provider for the given editor.

    @param editor reference to the editor to get the markup provider for
    @type Editor
    @return markup provider
    @rtype MarkupBase
    """
    if editor is not None:
        fn = editor.getFileName()

        if fn:
            extension = os.path.normcase(os.path.splitext(fn)[1][1:])
        else:
            extension = ""
        if (
            extension in Preferences.getEditor("PreviewHtmlFileNameExtensions")
            or editor.getLanguage() == "HTML"
        ):
            from .HtmlProvider import HtmlProvider

            return HtmlProvider()
        elif (
            extension in Preferences.getEditor("PreviewMarkdownFileNameExtensions")
            or editor.getLanguage().lower() == "markdown"
        ):
            from .MarkdownProvider import MarkdownProvider

            return MarkdownProvider()
        elif (
            extension in Preferences.getEditor("PreviewRestFileNameExtensions")
            or editor.getLanguage().lower() == "restructuredtext"
        ):
            from .RestructuredTextProvider import RestructuredTextProvider

            return RestructuredTextProvider()

    # no supported markup provider identified
    from .MarkupBase import MarkupBase

    return MarkupBase()