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improved printing

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This commit is contained in:
debris 2015-12-01 18:43:44 +01:00
parent 8a2082d217
commit 4f5399c558
1 changed files with 15 additions and 14 deletions
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29
src/trie.rs
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@ -150,16 +150,16 @@ impl fmt::Debug for TrieDB {
let print_indent = | fo: &mut fmt::Formatter, times | { for i in 0..times { write!(fo, " "); }}; let print_indent = | fo: &mut fmt::Formatter, times | { for i in 0..times { write!(fo, " "); }};
let root_rlp = self.db.lookup(&self.root).expect("Trie root not found!"); let root_rlp = self.db.lookup(&self.root).expect("Trie root not found!");
self.apply_to_all(root_rlp, &mut | node, deepness | { self.apply_to_all(root_rlp, &mut | node, deepness, index | {
print_indent(f, deepness); print_indent(f, deepness);
match *node { match *node {
Node::Leaf(ref slice, ref value) => { writeln!(f, "Leaf: {:?}, {:?}", slice, value); }, Node::Leaf(ref slice, ref value) => { writeln!(f, "{:x}: Leaf {:?}, {:?}", index, slice, value); },
Node::ExtensionRaw(ref slice, ref item) => { writeln!(f, "Extension (raw): "); } Node::ExtensionRaw(ref slice, ref item) => { write!(f, "Extension (raw): "); }
Node::ExtensionSha3(ref slice, ref sha3) => { writeln!(f, "Extension (sha3): "); } Node::ExtensionSha3(ref slice, ref sha3) => { write!(f, "Extension (sha3): "); }
Node::Branch(Some(ref nodes), ref value) => { writeln!(f, "Branch: "); } Node::Branch(Some(ref nodes), ref value) => { writeln!(f, "{:x} Branch: ", index); }
_ => { writeln!(f, "node"); } _ => { writeln!(f, "node"); }
} }
}, 0); }, 0, 0);
} }
writeln!(f, "]") writeln!(f, "]")
@ -197,23 +197,23 @@ impl TrieDB {
} }
} }
fn apply_to_all<F>(&self, node: &[u8], f: &mut F, deepness: usize) where F: FnMut(&Node, usize) -> () { fn apply_to_all<F>(&self, node: &[u8], f: &mut F, deepness: usize, index: usize) where F: FnMut(&Node, usize, usize) -> () {
let node = Node::decoded(node); let node = Node::decoded(node);
match node { match node {
Node::Leaf(_, _) => f(&node, deepness), Node::Leaf(_, _) => f(&node, deepness, index),
Node::ExtensionRaw(_, ref item) => { Node::ExtensionRaw(_, ref item) => {
f(&node, deepness); f(&node, deepness, index);
self.apply_to_all(item, f, deepness + 1); self.apply_to_all(item, f, deepness + 1, 0);
}, },
Node::ExtensionSha3(_, sha3) => { Node::ExtensionSha3(_, sha3) => {
f(&node, deepness); f(&node, deepness, index);
let rlp = self.db.lookup(&H256::from_slice(sha3)).expect("sha3 not found!"); let rlp = self.db.lookup(&H256::from_slice(sha3)).expect("sha3 not found!");
self.apply_to_all(rlp, f, deepness + 1); self.apply_to_all(rlp, f, deepness + 1, 0);
}, },
Node::Branch(Some(ref nodes), ref value) => { Node::Branch(Some(ref nodes), ref value) => {
f(&node, deepness); f(&node, deepness, index);
for i in 0..16 { for i in 0..16 {
self.apply_to_all(nodes[i], f, deepness + 1); self.apply_to_all(nodes[i], f, deepness + 1, i);
} }
}, },
// empty // empty
@ -556,6 +556,7 @@ mod tests {
fn test_print_trie() { fn test_print_trie() {
let mut t = TrieDB::new_memory(); let mut t = TrieDB::new_memory();
t.insert(&[0x01u8, 0x23], &[0x01u8, 0x23]); t.insert(&[0x01u8, 0x23], &[0x01u8, 0x23]);
t.insert(&[0x02u8, 0x23], &[0x01u8, 0x23]);
t.insert(&[0xf1u8, 0x23], &[0xf1u8, 0x23]); t.insert(&[0xf1u8, 0x23], &[0xf1u8, 0x23]);
t.insert(&[0x81u8, 0x23], &[0x81u8, 0x23]); t.insert(&[0x81u8, 0x23], &[0x81u8, 0x23]);
println!("trie:"); println!("trie:");