forked from varia/varia.website
41 lines
929 B
Python
41 lines
929 B
Python
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"""Regexps to match html elements
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"""
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import re
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attr_name = "[a-zA-Z_:][a-zA-Z0-9:._-]*"
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unquoted = "[^\"'=<>`\\x00-\\x20]+"
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single_quoted = "'[^']*'"
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double_quoted = '"[^"]*"'
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attr_value = "(?:" + unquoted + "|" + single_quoted + "|" + double_quoted + ")"
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attribute = "(?:\\s+" + attr_name + "(?:\\s*=\\s*" + attr_value + ")?)"
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open_tag = "<[A-Za-z][A-Za-z0-9\\-]*" + attribute + "*\\s*\\/?>"
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close_tag = "<\\/[A-Za-z][A-Za-z0-9\\-]*\\s*>"
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comment = "<!---->|<!--(?:-?[^>-])(?:-?[^-])*-->"
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processing = "<[?][\\s\\S]*?[?]>"
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declaration = "<![A-Z]+\\s+[^>]*>"
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cdata = "<!\\[CDATA\\[[\\s\\S]*?\\]\\]>"
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HTML_TAG_RE = re.compile(
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"^(?:"
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+ open_tag
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+ "|"
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+ close_tag
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+ "|"
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+ comment
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+ "|"
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+ processing
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+ "|"
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+ declaration
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+ "|"
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+ cdata
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+ ")"
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)
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HTML_OPEN_CLOSE_TAG_STR = "^(?:" + open_tag + "|" + close_tag + ")"
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HTML_OPEN_CLOSE_TAG_RE = re.compile(HTML_OPEN_CLOSE_TAG_STR)
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