69 lines
2.2 KiB
Rust
69 lines
2.2 KiB
Rust
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use std::collections::BTreeMap;
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use std::str::Split;
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use clap::ArgMatches;
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use toml::Value;
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use libimagstore::store::EntryHeader;
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use libimagutil::key_value_split::IntoKeyValue;
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pub fn build_toml_header(matches: &ArgMatches, header: EntryHeader) -> EntryHeader {
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debug!("Building header from cli spec");
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if let Some(headerspecs) = matches.values_of("header") {
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let mut main = BTreeMap::new();
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for tpl in headerspecs.into_iter().filter_map(|hs| String::from(hs).into_kv()) {
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let (key, value) = tpl.into();
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debug!("Splitting: {:?}", key);
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let mut split = key.split(".");
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let current = split.next();
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if current.is_some() {
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insert_key_into(String::from(current.unwrap()), &mut split, value, &mut main);
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}
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}
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}
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header
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}
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fn insert_key_into(current: String,
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rest_path: &mut Split<&str>,
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value: String,
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map: &mut BTreeMap<String, Value>) {
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let next = rest_path.next();
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if next.is_none() {
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map.insert(current, parse_value(value));
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} else {
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if map.contains_key(¤t) {
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match map.get_mut(¤t).unwrap() {
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&mut Value::Table(ref mut t) => {
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insert_key_into(String::from(next.unwrap()), rest_path, value, t);
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},
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_ => unreachable!(),
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}
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} else {
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let mut submap = BTreeMap::new();
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insert_key_into(String::from(next.unwrap()), rest_path, value, &mut submap);
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map.insert(current, Value::Table(submap));
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}
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}
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}
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fn parse_value(value: String) -> Value {
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fn is_ary(v: &String) -> bool {
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v.chars().next() == Some('[') && v.chars().last() == Some(']') && v.len() >= 3
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}
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debug!("Building value out of: {:?}", value);
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if value == "true" {
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Value::Boolean(true)
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} else if value == "false" {
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Value::Boolean(false)
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} else if is_ary(&value) {
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let sub = &value[1..(value.len()-1)];
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Value::Array(sub.split(",").map(|v| parse_value(String::from(v))).collect())
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} else {
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Value::String(value)
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}
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}
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