codekingpro/portable-devtools

1"""Regexps to match html elements"""2 3import re4 5attr_name = "[a-zA-Z_:][a-zA-Z0-9:._-]*"6 7unquoted = "[^\"'=<>`\\x00-\\x20]+"8single_quoted = "'[^']*'"9double_quoted = '"[^"]*"'10 11attr_value = "(?:" + unquoted + "|" + single_quoted + "|" + double_quoted + ")"12 13attribute = "(?:\\s+" + attr_name + "(?:\\s*=\\s*" + attr_value + ")?)"14 15open_tag = "<[A-Za-z][A-Za-z0-9\\-]*" + attribute + "*\\s*\\/?>"16 17close_tag = "<\\/[A-Za-z][A-Za-z0-9\\-]*\\s*>"18comment = "<!---?>|<!--(?:[^-]|-[^-]|--[^>])*-->"19processing = "<[?][\\s\\S]*?[?]>"20declaration = "<![A-Za-z][^>]*>"21cdata = "<!\\[CDATA\\[[\\s\\S]*?\\]\\]>"22 23HTML_TAG_RE = re.compile(24    "^(?:"25    + open_tag26    + "|"27    + close_tag28    + "|"29    + comment30    + "|"31    + processing32    + "|"33    + declaration34    + "|"35    + cdata36    + ")"37)38HTML_OPEN_CLOSE_TAG_STR = "^(?:" + open_tag + "|" + close_tag + ")"39HTML_OPEN_CLOSE_TAG_RE = re.compile(HTML_OPEN_CLOSE_TAG_STR)40