diff options
Diffstat (limited to 'lib/src/value.rs')
| -rw-r--r-- | lib/src/value.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/src/value.rs b/lib/src/value.rs index 87e45bc..455e951 100644 --- a/lib/src/value.rs +++ b/lib/src/value.rs @@ -1,3 +1,4 @@ +use std::borrow::Cow; use std::collections::HashMap; use std::fmt::Display; use error::*; @@ -187,6 +188,37 @@ impl Value { ValueKind::Array(_) => Err(ConfigError::invalid_type(self.origin.clone(), Unexpected::Seq, &"a floating point")), } } + + /// Returns `self` into a str, if possible. + pub fn into_str(self) -> Result<String> { + match self.kind { + ValueKind::String(value) => Ok(value), + + // Cannot convert + ValueKind::Float(value) => Err(ConfigError::invalid_type(self.origin, Unexpected::Float(value), &"a string")), + ValueKind::Integer(value) => Err(ConfigError::invalid_type(self.origin, Unexpected::Integer(value), &"a string")), + ValueKind::Boolean(value) => Err(ConfigError::invalid_type(self.origin, Unexpected::Bool(value), &"a string")), + ValueKind::Nil => Err(ConfigError::invalid_type(self.origin, Unexpected::Unit, &"a string")), + ValueKind::Table(_) => Err(ConfigError::invalid_type(self.origin, Unexpected::Map, &"a string")), + ValueKind::Array(_) => Err(ConfigError::invalid_type(self.origin, Unexpected::Seq, &"a string")), + } + } + + /// Returns `self` into an array, if possible + pub fn into_array(self) -> Result<Vec<Value>> { + match self.kind { + ValueKind::Array(value) => Ok(value), + + // Cannot convert + ValueKind::Float(value) => Err(ConfigError::invalid_type(self.origin, Unexpected::Float(value), &"an array")), + ValueKind::String(value) => Err(ConfigError::invalid_type(self.origin, Unexpected::Str(value), &"an array")), + ValueKind::Integer(value) => Err(ConfigError::invalid_type(self.origin, Unexpected::Integer(value), &"an array")), + ValueKind::Boolean(value) => Err(ConfigError::invalid_type(self.origin, Unexpected::Bool(value), &"an array")), + ValueKind::Nil => Err(ConfigError::invalid_type(self.origin, Unexpected::Unit, &"an array")), + ValueKind::Table(_) => Err(ConfigError::invalid_type(self.origin, Unexpected::Map, &"an array")), + } + } + /// If the `Value` is a Table, returns the associated Map. pub fn into_table(self) -> Result<HashMap<String, Value>> { match self.kind { |