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Newton-Editor/plugins/code/ui/code_fold/folding_engine.py

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# Python imports
# Lib imports
# Application imports
from .fold_types import FOLD_NODES
def get_folding_ranges(lang_name: str, ast):
root = ast.root_node
fold_types = FOLD_NODES.get(lang_name, set())
ranges = []
def visit(node):
if node.type in fold_types:
start_line = node.start_point[0]
end_line = node.end_point[0]
if end_line > start_line:
ranges.append({
"start_line": start_line,
"end_line": end_line,
"id": (start_line, end_line, node.type),
})
for child in node.children:
visit(child)
visit(root)
return ranges