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77 lines
2.2 KiB
77 lines
2.2 KiB
9 months ago
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"""
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pygments.lexers.jsx
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~~~~~~~~~~~~~~~~~~~
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Lexers for JSX (React).
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:copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import bygroups, default, include, inherit
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from pygments.lexers.javascript import JavascriptLexer
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from pygments.token import Name, Operator, Punctuation, String, Text, \
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Whitespace
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__all__ = ['JsxLexer']
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class JsxLexer(JavascriptLexer):
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"""For JavaScript Syntax Extension (JSX).
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.. versionadded:: 2.17
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"""
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name = "JSX"
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aliases = ["jsx", "react"]
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filenames = ["*.jsx", "*.react"]
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mimetypes = ["text/jsx", "text/typescript-jsx"]
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url = "https://facebook.github.io/jsx/"
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flags = re.MULTILINE | re.DOTALL
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# Use same tokens as `JavascriptLexer`, but with tags and attributes support
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tokens = {
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"root": [
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include("jsx"),
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inherit,
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],
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"jsx": [
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(r"</?>", Punctuation), # JSXFragment <>|</>
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(r"(<)(\w+)(\.?)", bygroups(Punctuation, Name.Tag, Punctuation), "tag"),
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(
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r"(</)(\w+)(>)",
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bygroups(Punctuation, Name.Tag, Punctuation),
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),
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(
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r"(</)(\w+)",
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bygroups(Punctuation, Name.Tag),
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"fragment",
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), # Same for React.Context
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],
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"tag": [
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(r"\s+", Whitespace),
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(r"([\w-]+)(\s*)(=)(\s*)", bygroups(Name.Attribute, Whitespace, Operator, Whitespace), "attr"),
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(r"[{}]+", Punctuation),
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(r"[\w\.]+", Name.Attribute),
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(r"(/?)(\s*)(>)", bygroups(Punctuation, Text, Punctuation), "#pop"),
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],
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"fragment": [
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(r"(.)(\w+)", bygroups(Punctuation, Name.Attribute)),
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(r"(>)", bygroups(Punctuation), "#pop"),
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],
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"attr": [
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(r"\{", Punctuation, "expression"),
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(r'".*?"', String, "#pop"),
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(r"'.*?'", String, "#pop"),
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default("#pop"),
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],
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"expression": [
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(r"\{", Punctuation, "#push"),
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(r"\}", Punctuation, "#pop"),
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include("root"),
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],
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}
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