peejay

Table of Contents

• Status
• Introduction
• JSON5 extension support

Status

Continuous Integration
Static Analysis
Dynamic Analysis
Open SSF

Introduction

Peejay (PJ) is a state-machine based JSON parser for C++17 or later. (The silly name comes from the English pronunciation of P.J. which is short for Parse JSON.)

JSON5 extension support

Please refer to the JSON5 specification for further details.

Feature	Support
Object keys may be an ECMAScript 5.1 IdentifierName	extensions::identifier_object_key
Objects may have a single trailing comma	extensions::object_trailing_comma
Arrays may have a single trailing comma	extensions::array_trailing_comma
Strings may be single quoted	extensions::single_quote_string
Strings may span multiple lines by escaping new line characters	extensions::string_escapes
Strings may include character escapes	extensions::string_escapes
Numbers may be hexadecimal	extensions::numbers
Numbers may have a leading or trailing decimal point	extensions::numbers
Numbers may be IEEE 754 positive infinity, negative infinity, and NaN	extensions::numbers
Numbers may begin with an explicit plus sign	extensions::leading_plus
Single and multi-line comments are allowed	extensions::bash_comments (enables use of single line comments beginning with a hash “#” character), extensions::single_line_comments (enables use of single line comments beginning with two slash (“//”) characters), extensions::multi_line_comments (enables use of multi-line comments enclosed by /\* … \*/ characters)
Additional white space characters are allowed	extensions::extra_whitespace