httpie-cli/httpie/output/lexers/json.py
2021-10-11 17:42:29 +02:00

32 lines
851 B
Python

import re
from pygments.lexer import bygroups, using, RegexLexer
from pygments.lexers.data import JsonLexer
from pygments.token import Token
PREFIX_TOKEN = Token.Error
PREFIX_REGEX = r'[^{\["]+'
class EnhancedJsonLexer(RegexLexer):
"""
Enhanced JSON lexer for Pygments.
It adds support for eventual data prefixing the actual JSON body.
"""
name = 'JSON'
flags = re.IGNORECASE | re.DOTALL
tokens = {
'root': [
# Eventual non-JSON data prefix followed by actual JSON body.
# FIX: data prefix + number (integer or float) is not correctly handled.
(
fr'({PREFIX_REGEX})' + r'((?:[{\["]|true|false|null).+)',
bygroups(PREFIX_TOKEN, using(JsonLexer))
),
# JSON body.
(r'.+', using(JsonLexer)),
],
}