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# Convert Python code to JavaScript code


import copy
import re
import json


def py2js (sCode):
    "convert Python code to JavaScript code"
    # Python strings
    sCode = sCode.replace('(r"', '("')
    sCode = sCode.replace("(r'", "('")
    sCode = sCode.replace(' r"', ' "')
    sCode = sCode.replace(" r'", " '")
    sCode = sCode.replace(',r"', ',"')
    sCode = sCode.replace(",r'", ",'")
    # operators
    sCode = sCode.replace(" and ", " && ")
    sCode = sCode.replace(" or ", " || ")
    sCode = re.sub("\\bnot\\b", "!", sCode)
    sCode = re.sub("(.+) if (.+) else (.+)", "(\\2) ? \\1 : \\3", sCode)
    # boolean
    sCode = sCode.replace("False", "false")
    sCode = sCode.replace("True", "true")

    sCode = sCode.replace("bool", "Boolean")
    # methods
    sCode = sCode.replace(".__len__()", ".length")
    sCode = sCode.replace(".endswith", ".endsWith")
    sCode = sCode.replace(".find", ".indexOf")
    sCode = sCode.replace(".startswith", ".startsWith")
    sCode = sCode.replace(".lower", ".toLowerCase")

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"""
Convert Python code and regexes to JavaScript code
"""

import copy
import re
import json


def py2js (sCode):
    "convert Python code to JavaScript code"
    # Python strings
    sCode = sCode.replace('(r"', '("')
    sCode = sCode.replace("(r'", "('")
    sCode = sCode.replace(' r"', ' "')
    sCode = sCode.replace(" r'", " '")
    sCode = sCode.replace(',r"', ',"')
    sCode = sCode.replace(",r'", ",'")
    # operators
    sCode = sCode.replace(" and ", " && ")
    sCode = sCode.replace(" or ", " || ")
    sCode = re.sub("\\bnot\\b", "!", sCode)
    #sCode = re.sub("(.+) if (.+) else (.+)", "(\\2) ? \\1 : \\3", sCode)
    # boolean
    sCode = sCode.replace("False", "false")
    sCode = sCode.replace("True", "true")
    sCode = sCode.replace("None", "null")
    sCode = sCode.replace("bool", "Boolean")
    # methods
    sCode = sCode.replace(".__len__()", ".length")
    sCode = sCode.replace(".endswith", ".endsWith")
    sCode = sCode.replace(".find", ".indexOf")
    sCode = sCode.replace(".startswith", ".startsWith")
    sCode = sCode.replace(".lower", ".toLowerCase")
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    sCode = sCode.replace(".strip", ".gl_trim")
    sCode = sCode.replace(".lstrip", ".gl_trimLeft")
    sCode = sCode.replace(".rstrip", ".gl_trimRight")
    sCode = sCode.replace('.replace("."', r".replace(/\./g")
    sCode = sCode.replace('.replace("..."', r".replace(/\.\.\./g")
    sCode = re.sub(r'.replace\("([^"]+)" ?,', ".replace(/\\1/g,", sCode)
    # regex
    sCode = re.sub('re.search\\("([^"]+)", *(m.group\\(\\d\\))\\)', "(\\2.search(/\\1/) >= 0)", sCode)
    sCode = re.sub(".search\\(/\\(\\?i\\)([^/]+)/\\) >= 0\\)", ".search(/\\1/i) >= 0)", sCode)
    sCode = re.sub('(look\\(sx?[][.a-z:()]*), "\\(\\?i\\)([^"]+)"', "\\1, /\\2/i", sCode)
    sCode = re.sub('(look\\(sx?[][.a-z:()]*), "([^"]+)"', "\\1, /\\2/", sCode)
    sCode = re.sub('(look_chk1\\(dDA, sx?[][.a-z:()]*, [0-9a-z.()]+), "\\(\\?i\\)([^"]+)"', "\\1, /\\2/i", sCode)
    sCode = re.sub('(look_chk1\\(dDA, sx?[][.a-z:()]*, [0-9a-z.()]+), "([^"]+)"', "\\1, /\\2/i", sCode)
    sCode = re.sub('m\\.group\\((\\d+)\\) +in +(a[a-zA-Z]+)', "\\2.has(m[\\1])", sCode)
    sCode = sCode.replace("(?<!-)", "")  # todo
    # slices
    sCode = sCode.replace("[:m.start()]", ".slice(0,m.index)")
    sCode = sCode.replace("[m.end():]", ".slice(m.end[0])")
    sCode = sCode.replace("[m.start():m.end()]", ".slice(m.index, m.end[0])")


    sCode = re.sub("\\[(-?\\d+):(-?\\d+)\\]", ".slice(\\1,\\2)", sCode)
    sCode = re.sub("\\[(-?\\d+):\\]", ".slice(\\1)", sCode)
    sCode = re.sub("\\[:(-?\\d+)\\]", ".slice(0,\\1)", sCode)
    # regex matches
    sCode = sCode.replace(".end()", ".end[0]")
    sCode = sCode.replace(".start()", ".index")
    sCode = sCode.replace("m.group()", "m[0]")
    sCode = re.sub("\\.start\\((\\d+)\\)", ".start[\\1]", sCode)
    sCode = re.sub("m\\.group\\((\\d+)\\)", "m[\\1]", sCode)
    # tuples -> lists
    sCode = re.sub("\\((m\\.start\\[\\d+\\], m\\[\\d+\\])\\)", "[\\1]", sCode)
    # regex
    sCode = sCode.replace(r"\w[\w-]+", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st][a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st-]+")
    sCode = sCode.replace(r"/\w/", "/[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st]/")
    sCode = sCode.replace(r"[\w-]", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st-]")
    sCode = sCode.replace(r"[\w,]", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-st,]")
    return sCode


def regex2js (sRegex, sWORDLIMITLEFT):
    "converts Python regex to JS regex and returns JS regex and list of negative lookbefore assertions"
    #   Latin letters: http://unicode-table.com/fr/
    #   0-9  and  _








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    sCode = sCode.replace(".strip", ".gl_trim")
    sCode = sCode.replace(".lstrip", ".gl_trimLeft")
    sCode = sCode.replace(".rstrip", ".gl_trimRight")
    sCode = sCode.replace('.replace("."', r".replace(/\./g")
    sCode = sCode.replace('.replace("..."', r".replace(/\.\.\./g")
    sCode = re.sub(r'.replace\("([^"]+)" ?,', ".replace(/\\1/g,", sCode)
    # regex






    sCode = re.sub('m\\.group\\((\\d+)\\) +in +(a[a-zA-Z]+)', "\\2.has(m[\\1])", sCode)
    sCode = re.sub('(lToken\\S+) +in +(a[a-zA-Z]+)', "\\2.has(\\1)", sCode)
    # slices
    sCode = sCode.replace("[:m.start()]", ".slice(0,m.index)")
    sCode = sCode.replace("[m.end():]", ".slice(m.end[0])")
    sCode = sCode.replace("[m.start():m.end()]", ".slice(m.index, m.end[0])")
    sCode = sCode.replace('[lToken[nLastToken]["nEnd"]:]', '.slice(lToken[nLastToken]["nEnd"])')
    sCode = sCode.replace('[:lToken[1+nTokenOffset]["nStart"]]', '.slice(0,lToken[1+nTokenOffset]["nStart"])')
    sCode = re.sub("\\[(-?\\d+):(-?\\d+)\\]", ".slice(\\1,\\2)", sCode)
    sCode = re.sub("\\[(-?\\d+):\\]", ".slice(\\1)", sCode)
    sCode = re.sub("\\[:(-?\\d+)\\]", ".slice(0,\\1)", sCode)
    # regex matches
    sCode = sCode.replace(".end()", ".end[0]")
    sCode = sCode.replace(".start()", ".index")
    sCode = sCode.replace("m.group()", "m[0]")
    sCode = re.sub("\\.start\\((\\d+)\\)", ".start[\\1]", sCode)
    sCode = re.sub("m\\.group\\((\\d+)\\)", "m[\\1]", sCode)
    # tuples -> lists
    sCode = re.sub("\\((m\\.start\\[\\d+\\], m\\[\\d+\\])\\)", "[\\1]", sCode)
    # regex


    sCode = sCode.replace(r"[\\w", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-stᴀ-ᶿ")
    sCode = sCode.replace(r"\\w", "[a-zA-Zà-öÀ-Ö0-9_ø-ÿØ-ßĀ-ʯfi-stᴀ-ᶿ]")
    return sCode


def regex2js (sRegex, sWORDLIMITLEFT):
    "converts Python regex to JS regex and returns JS regex and list of negative lookbefore assertions"
    #   Latin letters: http://unicode-table.com/fr/
    #   0-9  and  _
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        sRegex = sRegex + "i"
    if not lNegLookBeforeRegex:
        lNegLookBeforeRegex = None
    return (sRegex, lNegLookBeforeRegex)


def pyRuleToJS (lRule, dJSREGEXES, sWORDLIMITLEFT):

    lRuleJS = copy.deepcopy(lRule)



    del lRule[-1] # tGroups positioning codes are useless for Python
    # error messages
    for aAction in lRuleJS[6]:
        if aAction[1] == "-":
            aAction[2] = aAction[2].replace(" ", " ") # nbsp --> nnbsp
            aAction[4] = aAction[4].replace("« ", "« ").replace(" »", " »").replace(" :", " :").replace(" :", " :")
    # js regexes
    lRuleJS[1], lNegLookBehindRegex = regex2js(dJSREGEXES.get(lRuleJS[3], lRuleJS[1]), sWORDLIMITLEFT)
    lRuleJS.append(lNegLookBehindRegex)
    return lRuleJS


def writeRulesToJSArray (lRules):

    sArray = "[\n"
    for sOption, aRuleGroup in lRules:

        sArray += '  ["' + sOption + '", [\n'  if sOption  else  "  [false, [\n"
        for sRegex, bCaseInsensitive, sLineId, sRuleId, nPriority, lActions, aGroups, aNegLookBehindRegex in aRuleGroup:
            sArray += '    [' + sRegex + ", "
            sArray += "true, " if bCaseInsensitive  else "false, "
            sArray += '"' + sLineId + '", '
            sArray += '"' + sRuleId + '", '
            sArray += str(nPriority) + ", "
            sArray += json.dumps(lActions, ensure_ascii=False) + ", "
            sArray += json.dumps(aGroups, ensure_ascii=False) + ", "
            sArray += json.dumps(aNegLookBehindRegex, ensure_ascii=False) + "],\n"
        sArray += "  ]],\n"





    sArray += "]"
    return sArray


def groupsPositioningCodeToList (sGroupsPositioningCode):

    if not sGroupsPositioningCode:
        return None
    return [ int(sCode)  if sCode.isdigit() or (sCode[0:1] == "-" and sCode[1:].isdigit())  else sCode \
             for sCode in sGroupsPositioningCode.split(",") ]








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        sRegex = sRegex + "i"
    if not lNegLookBeforeRegex:
        lNegLookBeforeRegex = None
    return (sRegex, lNegLookBeforeRegex)


def pyRuleToJS (lRule, dJSREGEXES, sWORDLIMITLEFT):
    "modify Python rules -> JS rules"
    lRuleJS = copy.deepcopy(lRule)
    # graph rules
    if lRuleJS[0] == "@@@@":
        return lRuleJS
    del lRule[-1] # tGroups positioning codes are useless for Python
    # error messages
    for aAction in lRuleJS[6]:
        if aAction[1] == "-":
            aAction[2] = aAction[2].replace(" ", " ") # nbsp --> nnbsp
            aAction[4] = aAction[4].replace("« ", "« ").replace(" »", " »").replace(" :", " :").replace(" :", " :")
    # js regexes
    lRuleJS[1], lNegLookBehindRegex = regex2js(dJSREGEXES.get(lRuleJS[3], lRuleJS[1]), sWORDLIMITLEFT)
    lRuleJS.append(lNegLookBehindRegex)
    return lRuleJS


def writeRulesToJSArray (lRules):
    "create rules as a string of arrays (to be bundled in a JSON string)"
    sArray = "[\n"
    for sOption, aRuleGroup in lRules:
        if sOption != "@@@@":
            sArray += '  ["' + sOption + '", [\n'  if sOption  else  "  [false, [\n"
            for sRegex, bCaseInsensitive, sLineId, sRuleId, nPriority, lActions, aGroups, aNegLookBehindRegex in aRuleGroup:
                sArray += '    [' + sRegex + ", "
                sArray += "true, " if bCaseInsensitive  else "false, "
                sArray += '"' + sLineId + '", '
                sArray += '"' + sRuleId + '", '
                sArray += str(nPriority) + ", "
                sArray += json.dumps(lActions, ensure_ascii=False) + ", "
                sArray += json.dumps(aGroups, ensure_ascii=False) + ", "
                sArray += json.dumps(aNegLookBehindRegex, ensure_ascii=False) + "],\n"
            sArray += "  ]],\n"
        else:
            sArray += '  ["' + sOption + '", [\n'
            for sGraphName, sLineId in aRuleGroup:
                sArray += '    ["' + sGraphName + '", "' + sLineId + '"],\n'
            sArray += "  ]],\n"
    sArray += "]"
    return sArray


def groupsPositioningCodeToList (sGroupsPositioningCode):
    "convert <sGroupsPositioningCode> to a list of codes (numbers or strings)"
    if not sGroupsPositioningCode:
        return None
    return [ int(sCode)  if sCode.isdigit() or (sCode[0:1] == "-" and sCode[1:].isdigit())  else sCode \
             for sCode in sGroupsPositioningCode.split(",") ]
Fossil 2.24 [8be0372c10] 2024-04-23 13:25:26
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