# JSON syntax file for Diffuse
# Copyright (C) 2011 Derrick Moser <derrick_moser@yahoo.com>
syntax JSON normal text
syntax_files JSON '\.json$'

# colours
colour json_literal 1.0 0.2 0.8
colour json_string 0.8 0.0 0.0
colour json_escapedchar 0.46 0.31 0.48
colour json_punctuation 0.5 0.5 0.5

# whitespace
syntax_pattern normal normal text '[ \t\r\n]+'

# string
syntax_pattern normal string json_string '"'
syntax_pattern string string json_escapedchar '(\\(u[0-9a-f]{4}|.))+' ignorecase
syntax_pattern string normal json_string '"'
syntax_pattern string string json_string '.[^\\"]*'

# literals
syntax_pattern normal normal json_literal '-?(0|[1-9][0-9]*)(\.[0-9]+)?(e[\+\-]?[0-9]+)?' ignorecase
syntax_pattern normal normal json_literal '\b(true|false|null)\b'

# punctuation
syntax_pattern normal normal json_punctuation '[\{\}\[\]:,]+'

# parsing optimisation
syntax_pattern normal normal text '[a-z_][a-z_0-9]*' ignorecase