66 lines
2 KiB
GDScript3
66 lines
2 KiB
GDScript3
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class_name RuleBlankLines
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var FORMAT_ACTION := "simple_format_on_save/format_code"
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var format_key: InputEventKey
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static func apply(code: String) -> String:
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var trim1_regex = RegEx.create_from_string("\n{2,}")
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code = trim1_regex.sub(code, "\n\n", true)
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code = _blank_for_func_class(code)
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var trim2_regex = RegEx.create_from_string("\n{3,}")
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code = trim2_regex.sub(code, "\n\n\n", true)
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return code
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static func _blank_for_func_class(code: String) -> String:
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var assignment_regex = RegEx.create_from_string(r".*=.*")
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var statement_regex = RegEx.create_from_string(r"\s+(if|for|while|match)[\s|\(].*")
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var misc_statement_regex = RegEx.create_from_string(r"\s+(else|elif|\}|\]).*")
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var func_class_regex = RegEx.create_from_string(r".*(func|class) .*")
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var comment_line_regex = RegEx.create_from_string(r"^\s*#")
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var empty_line_regex = RegEx.create_from_string(r"^\s+$")
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var lines := code.split('\n')
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var modified_lines: Array[String] = []
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for line: String in lines:
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# Spaces between functions & classes
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if func_class_regex.search(line):
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if modified_lines.size() > 0:
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var i := modified_lines.size() - 1
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while i > 0 and comment_line_regex.search(modified_lines[i]):
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i -= 1
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if i == 0:
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modified_lines.append(line)
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continue
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modified_lines.insert(i + 1, "")
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modified_lines.insert(i + 1, "")
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# 1 space between assignment & statement
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if statement_regex.search(line):
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if modified_lines.size() > 0:
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var i := modified_lines.size() - 1
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if assignment_regex.search(modified_lines[i]) and not statement_regex.search(modified_lines[i]):
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modified_lines.insert(i + 1, "")
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else:
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pass
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# Space after a code block (Doesn't work with spaces for now)
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var indent_count := line.count("\t")
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if indent_count and not misc_statement_regex.search(line):
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if modified_lines.size() > 0:
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var i := modified_lines.size() - 1
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if modified_lines[i].count("\t") > indent_count:
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modified_lines.insert(i + 1, "")
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modified_lines.append(line)
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return "\n".join(modified_lines)
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