fufa/chatgpt

1# This program is written by: https://github.com/polarwinkel/mdtex2html2 3from latex2mathml.converter import convert as tex2mathml4import re5 6incomplete = '<font style="color:orange;" class="tooltip">&#9888;<span class="tooltiptext">formula incomplete</span></font>'7convError = '<font style="color:red" class="tooltip">&#9888;<span class="tooltiptext">LaTeX-convert-error</span></font>'8 9def convert(mdtex, extensions=[], splitParagraphs=True):10    ''' converts recursively the Markdown-LaTeX-mixture to HTML with MathML '''11    found = False12    # handle all paragraphs separately (prevents aftereffects)13    if splitParagraphs:14        parts = re.split("\n\n", mdtex)15        result = ''16        for part in parts:17            result += convert(part, extensions, splitParagraphs=False)18        return result19    # find first $$-formula:20    parts = re.split('\${2}', mdtex, 2)21    if len(parts)>1:22        found = True23        result = convert(parts[0], extensions, splitParagraphs=False)+'\n'24        try:25            result += '<div class="blockformula">'+tex2mathml(parts[1])+'</div>\n'26        except:27            result += '<div class="blockformula">'+convError+'</div>'28        if len(parts)==3:29            result += convert(parts[2], extensions, splitParagraphs=False)30        else:31            result += '<div class="blockformula">'+incomplete+'</div>'32    # else find first $-formulas:33    else:34        parts = re.split('\${1}', mdtex, 2)35    if len(parts)>1 and not found:36        found = True37        try:38            mathml = tex2mathml(parts[1])39        except:40            mathml = convError41        if parts[0].endswith('\n\n') or parts[0]=='': # make sure textblock starts before formula!42            parts[0]=parts[0]+'&#x200b;'43        if len(parts)==3:44            result = convert(parts[0]+mathml+parts[2], extensions, splitParagraphs=False)45        else:46            result = convert(parts[0]+mathml+incomplete, extensions, splitParagraphs=False)47    # else find first \[..\]-equation:48    else:49        parts = re.split(r'\\\[', mdtex, 1)50    if len(parts)>1 and not found:51        found = True52        result = convert(parts[0], extensions, splitParagraphs=False)+'\n'53        parts = re.split(r'\\\]', parts[1], 1)54        try:55            result += '<div class="blockformula">'+tex2mathml(parts[0])+'</div>\n'56        except:57            result += '<div class="blockformula">'+convError+'</div>'58        if len(parts)==2:59            result += convert(parts[1], extensions, splitParagraphs=False)60        else:61            result += '<div class="blockformula">'+incomplete+'</div>'62    # else find first \(..\)-equation:63    else:64        parts = re.split(r'\\\(', mdtex, 1)65    if len(parts)>1 and not found:66        found = True67        subp = re.split(r'\\\)', parts[1], 1)68        try:69            mathml = tex2mathml(subp[0])70        except:71            mathml = convError72        if parts[0].endswith('\n\n') or parts[0]=='': # make sure textblock starts before formula!73            parts[0]=parts[0]+'&#x200b;'74        if len(subp)==2:75            result = convert(parts[0]+mathml+subp[1], extensions, splitParagraphs=False)76        else:77            result = convert(parts[0]+mathml+incomplete, extensions, splitParagraphs=False)78    if not found:79        result = mdtex80    return result81