private static DependencyTree parseTreeDependencyBlock()

in tools/ci/paimon-ci-tools/src/main/java/org/apache/paimon/tools/ci/utils/dependency/DependencyParser.java [134:178]

35 lines of code
9 McCabe index (conditional complexity)


    private static DependencyTree parseTreeDependencyBlock(Iterator<String> block) {
        // discard one line, which only contains the current module name
        block.next();

        if (!block.hasNext()) {
            throw new IllegalStateException("Expected more output from the dependency-plugin.");
        }

        final DependencyTree dependencies = new DependencyTree();

        final Stack<Dependency> parentStack = new Stack<>();
        final Stack<Integer> treeDepthStack = new Stack<>();
        String line = block.next();
        Optional<Dependency> parsedDependency = parseTreeDependency(line);
        while (parsedDependency.isPresent()) {
            int treeDepth = getDepth(line);

            while (!treeDepthStack.isEmpty() && treeDepth <= treeDepthStack.peek()) {
                parentStack.pop();
                treeDepthStack.pop();
            }

            final Dependency dependency = parsedDependency.get();

            if (parentStack.isEmpty()) {
                dependencies.addDirectDependency(dependency);
            } else {
                dependencies.addTransitiveDependencyTo(dependency, parentStack.peek());
            }

            if (treeDepthStack.isEmpty() || treeDepth > treeDepthStack.peek()) {
                treeDepthStack.push(treeDepth);
                parentStack.push(dependency);
            }

            if (block.hasNext()) {
                line = block.next();
                parsedDependency = parseTreeDependency(line);
            } else {
                parsedDependency = Optional.empty();
            }
        }

        return dependencies;
    }