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