129 lines
3.7 KiB
GDScript
129 lines
3.7 KiB
GDScript
###############################################################################
|
|
# JSON Beautifier #
|
|
# Copyright (C) 2018-2020 Michael Alexsander #
|
|
#-----------------------------------------------------------------------------#
|
|
# This Source Code Form is subject to the terms of the Mozilla Public #
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this #
|
|
# file, You can obtain one at http://mozilla.org/MPL/2.0/. #
|
|
###############################################################################
|
|
|
|
class_name JSONBeautifier
|
|
|
|
|
|
# Takes valid JSON (if invalid, it will return a error according with Godot's
|
|
# 'validade_json()' method) and a number of spaces for indentation (default is
|
|
# '0', in which it will use tabs instead), returning properly formatted JSON.
|
|
static func beautify_json(json: String, spaces := 0) -> String:
|
|
var error_message: String = validate_json(json)
|
|
if not error_message.empty():
|
|
return error_message
|
|
|
|
var indentation := ""
|
|
if spaces > 0:
|
|
for i in spaces:
|
|
indentation += " "
|
|
else:
|
|
indentation = "\t"
|
|
|
|
var quotation_start := -1
|
|
var char_position := 0
|
|
for i in json:
|
|
# Avoid formating inside strings.
|
|
if i == "\"":
|
|
if quotation_start == -1:
|
|
quotation_start = char_position
|
|
elif json[char_position - 1] != "\\":
|
|
quotation_start = -1
|
|
|
|
char_position += 1
|
|
|
|
continue
|
|
elif quotation_start != -1:
|
|
char_position += 1
|
|
|
|
continue
|
|
|
|
match i:
|
|
# Remove pre-existing formatting.
|
|
" ", "\n", "\t":
|
|
json[char_position] = ""
|
|
char_position -= 1
|
|
|
|
"{", "[", ",":
|
|
if json[char_position + 1] != "}" and\
|
|
json[char_position + 1] != "]":
|
|
json = json.insert(char_position + 1, "\n")
|
|
char_position += 1
|
|
"}", "]":
|
|
if json[char_position - 1] != "{" and\
|
|
json[char_position - 1] != "[":
|
|
json = json.insert(char_position, "\n")
|
|
char_position += 1
|
|
":":
|
|
json = json.insert(char_position + 1, " ")
|
|
char_position += 1
|
|
|
|
char_position += 1
|
|
|
|
for i in [["{", "}"], ["[", "]"]]:
|
|
var bracket_start: int = json.find(i[0])
|
|
while bracket_start != -1:
|
|
var bracket_end: int = json.find("\n", bracket_start)
|
|
var bracket_count := 0
|
|
while bracket_end != - 1:
|
|
if json[bracket_end - 1] == i[0]:
|
|
bracket_count += 1
|
|
elif json[bracket_end + 1] == i[1]:
|
|
bracket_count -= 1
|
|
|
|
# Move through the indentation to see if there is a match.
|
|
while json[bracket_end + 1] == indentation:
|
|
bracket_end += 1
|
|
|
|
if json[bracket_end + 1] == i[1]:
|
|
bracket_count -= 1
|
|
|
|
if bracket_count <= 0:
|
|
break
|
|
|
|
bracket_end = json.find("\n", bracket_end + 1)
|
|
|
|
# Skip one newline so the end bracket doesn't get indented.
|
|
bracket_end = json.rfind("\n", json.rfind("\n", bracket_end) - 1)
|
|
while bracket_end > bracket_start:
|
|
json = json.insert(bracket_end + 1, indentation)
|
|
bracket_end = json.rfind("\n", bracket_end - 1)
|
|
|
|
bracket_start = json.find(i[0], bracket_start + 1)
|
|
|
|
return json
|
|
|
|
|
|
# Takes valid JSON (if invalid, it will return a error according with Godot's
|
|
# 'validade_json()' method), returning JSON in a single line.
|
|
static func uglify_json(json: String) -> String:
|
|
var quotation_start := -1
|
|
var char_position := 0
|
|
for i in json:
|
|
# Avoid formating inside strings.
|
|
if i == "\"":
|
|
if quotation_start == -1:
|
|
quotation_start = char_position
|
|
elif json[char_position - 1] != "\\":
|
|
quotation_start = -1
|
|
|
|
char_position += 1
|
|
|
|
continue
|
|
elif quotation_start != -1:
|
|
char_position += 1
|
|
|
|
continue
|
|
|
|
if i == " " or i == "\n" or i == "\t":
|
|
json[char_position] = ""
|
|
char_position -= 1
|
|
|
|
char_position += 1
|
|
|
|
return json
|