Update main.c

[MorphyKutay]

The updated xbc_show_value function uses a recursive approach to print all the data in a boot configuration file. This function checks if a xbc_node is a value node. If it is, it prints the value to the screen. If not, it retrieves the child nodes of the current node and recursively calls the xbc_show_value function for each one. This allows all child nodes to be included in the output. This recursive approach effectively handles complex structures and nested data in a boot configuration file.

[MorphyKutay]

++

[admsev]

@gooroodev please review

[gooroodev]

1. Summary of Changes

The changes in the pull request modify the xbc_show_value function in main.c. The function now handles nodes that are not values by recursively calling itself on child nodes. Specifically:

• It checks if the node is a value using xbc_node_is_value(node).
• If the node is a value, it iterates over the values using xbc_array_for_each_value.
• If the node is not a value, it retrieves the child node using xbc_node_get_child and recursively processes each child node using xbc_show_value.
• The loop continues until all child nodes are processed.

2. Issues, Bugs, or Typos

Issue 1: Missing Space After if

• Code:

  if(xbc_node_is_value(node)){

• Improved Code:

  if (xbc_node_is_value(node)) {

Issue 2: Missing Space After else

• Code:

  }else{

• Improved Code:

  } else {

3. General Review of Code Quality and Style

• Readability: The code is generally readable, but it would benefit from consistent spacing around keywords and braces.
• Recursion: The recursive approach for handling child nodes is appropriate and maintains the structure of the original function.
• Error Handling: There is no error handling in the new code for cases where xbc_node_get_child or xbc_node_get_next might return NULL. This could be improved for robustness.
• Variable Naming: The variable names are consistent with the original code, but more descriptive names could enhance readability.

Final Improved Code

static int xbc_show_value(struct xbc_node *node, bool semicolon)
{
	int i = 0;

	eol = semicolon ? ";\n" : "\n";
	if (xbc_node_is_value(node)) {
		xbc_array_for_each_value(node, val) {
			if (strchr(val, '"'))
				q = '\'';
			else
				q = '"';
			printf("%c%s%c%s", q, val, q, xbc_node_is_array(node) ? ", " : eol);
			i++;
		}
	} else {
		struct xbc_node *child = xbc_node_get_child(node);
		while (child) {
			i += xbc_show_value(child, semicolon);
			child = xbc_node_get_next(child);
		}
	}
	return i;
}

Additional Recommendations

• Error Handling: Consider adding error handling for xbc_node_get_child and xbc_node_get_next to ensure the function handles NULL values gracefully.
• Comments: Adding comments to explain the purpose of each block of code can improve maintainability.
• Testing: Ensure that the function is thoroughly tested with various node structures to verify that both value and non-value nodes are handled correctly.

Yours, Gooroo.dev