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Simplify: Move default header generation from Value extension to Entry type

This commit is contained in:
Matthias Beyer 2018-06-08 01:59:03 +02:00
parent 1705ecbbff
commit 9ad1c8d6bd
1 changed files with 12 additions and 27 deletions
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39
lib/core/libimagstore/src/store.rs
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@ -766,7 +766,18 @@ impl Entry {
/// This function should be used to get a new Header, as the default header may change. Via
/// this function, compatibility is ensured.
pub fn default_header() -> Value { // BTreeMap<String, Value>
Value::default_header()
let mut m = BTreeMap::new();
m.insert(String::from("imag"), {
let mut imag_map = BTreeMap::<String, Value>::new();
imag_map.insert(String::from("version"),
Value::String(String::from(env!("CARGO_PKG_VERSION"))));
Value::Table(imag_map)
});
Value::Table(m)
}
/// See `Entry::from_str()`, as this function is used internally. This is just a wrapper for
@ -873,22 +884,11 @@ impl PartialEq for Entry {
pub trait Header {
fn verify(&self) -> Result<()>;
fn parse(s: &str) -> Result<Value>;
fn default_header() -> Value;
}
impl Header for Value {
fn verify(&self) -> Result<()> {
if !has_main_section(self)? {
Err(SE::from_kind(SEK::MissingMainSection))
} else if !has_imag_version_in_main_section(self)? {
Err(SE::from_kind(SEK::MissingVersionInfo))
} else if !has_only_tables(self)? {
debug!("Could not verify that it only has tables in its base table");
Err(SE::from_kind(SEK::NonTableInBaseTable))
} else {
Ok(())
}
}
fn parse(s: &str) -> Result<Value> {
@ -899,21 +899,6 @@ impl Header for Value {
.and_then(|h: Value| h.verify().map(|_| h))
}
fn default_header() -> Value {
let mut m = BTreeMap::new();
m.insert(String::from("imag"), {
let mut imag_map = BTreeMap::<String, Value>::new();
imag_map.insert(String::from("version"),
Value::String(String::from(env!("CARGO_PKG_VERSION"))));
Value::Table(imag_map)
});
Value::Table(m)
}
}
fn has_only_tables(t: &Value) -> Result<bool> {