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Let 'to toml' output block source (#763)

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JT 2022-01-17 03:25:12 -05:00 committed by GitHub
parent c55b6c5ed5
commit 0f85646d8e
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1 changed files with 36 additions and 15 deletions
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51
crates/nu-command/src/formats/to/toml.rs
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@ -30,19 +30,19 @@ impl Command for ToToml {
fn run(
&self,
_engine_state: &EngineState,
engine_state: &EngineState,
_stack: &mut Stack,
call: &Call,
input: PipelineData,
) -> Result<nu_protocol::PipelineData, ShellError> {
let head = call.head;
to_toml(input, head)
to_toml(engine_state, input, head)
}
}
// Helper method to recursively convert nu_protocol::Value -> toml::Value
// This shouldn't be called at the top-level
fn helper(v: &Value) -> Result<toml::Value, ShellError> {
fn helper(engine_state: &EngineState, v: &Value) -> Result<toml::Value, ShellError> {
Ok(match &v {
Value::Bool { val, .. } => toml::Value::Boolean(*val),
Value::Int { val, .. } => toml::Value::Integer(*val),
@ -55,12 +55,16 @@ fn helper(v: &Value) -> Result<toml::Value, ShellError> {
Value::Record { cols, vals, .. } => {
let mut m = toml::map::Map::new();
for (k, v) in cols.iter().zip(vals.iter()) {
m.insert(k.clone(), helper(v)?);
m.insert(k.clone(), helper(engine_state, v)?);
}
toml::Value::Table(m)
}
Value::List { vals, .. } => toml::Value::Array(toml_list(vals)?),
Value::Block { .. } => toml::Value::String("<Block>".to_string()),
Value::List { vals, .. } => toml::Value::Array(toml_list(engine_state, vals)?),
Value::Block { span, .. } => {
let code = engine_state.get_span_contents(span);
let code = String::from_utf8_lossy(code).to_string();
toml::Value::String(code)
}
Value::Nothing { .. } => toml::Value::String("<Nothing>".to_string()),
Value::Error { error } => return Err(error.clone()),
Value::Binary { val, .. } => toml::Value::Array(
@ -81,11 +85,11 @@ fn helper(v: &Value) -> Result<toml::Value, ShellError> {
})
}
fn toml_list(input: &[Value]) -> Result<Vec<toml::Value>, ShellError> {
fn toml_list(engine_state: &EngineState, input: &[Value]) -> Result<Vec<toml::Value>, ShellError> {
let mut out = vec![];
for value in input {
out.push(helper(value)?);
out.push(helper(engine_state, value)?);
}
Ok(out)
@ -109,11 +113,15 @@ fn toml_into_pipeline_data(
}
}
fn value_to_toml_value(v: &Value, head: Span) -> Result<toml::Value, ShellError> {
fn value_to_toml_value(
engine_state: &EngineState,
v: &Value,
head: Span,
) -> Result<toml::Value, ShellError> {
match v {
Value::Record { .. } => helper(v),
Value::Record { .. } => helper(engine_state, v),
Value::List { ref vals, span } => match &vals[..] {
[Value::Record { .. }, _end @ ..] => helper(v),
[Value::Record { .. }, _end @ ..] => helper(engine_state, v),
_ => Err(ShellError::UnsupportedInput(
"Expected a table with TOML-compatible structure from pipeline".to_string(),
*span,
@ -135,10 +143,14 @@ fn value_to_toml_value(v: &Value, head: Span) -> Result<toml::Value, ShellError>
}
}
fn to_toml(input: PipelineData, span: Span) -> Result<PipelineData, ShellError> {
fn to_toml(
engine_state: &EngineState,
input: PipelineData,
span: Span,
) -> Result<PipelineData, ShellError> {
let value = input.into_value(span);
let toml_value = value_to_toml_value(&value, span)?;
let toml_value = value_to_toml_value(engine_state, &value, span)?;
match toml_value {
toml::Value::Array(ref vec) => match vec[..] {
[toml::Value::Table(_)] => toml_into_pipeline_data(
@ -170,6 +182,8 @@ mod tests {
// Positive Tests
//
let engine_state = EngineState::new();
let mut m = indexmap::IndexMap::new();
m.insert("rust".to_owned(), Value::test_string("editor"));
m.insert("is".to_owned(), Value::nothing(Span::test_data()));
@ -181,6 +195,7 @@ mod tests {
},
);
let tv = value_to_toml_value(
&engine_state,
&Value::from(Spanned {
item: m,
span: Span::test_data(),
@ -197,6 +212,7 @@ mod tests {
);
// TOML string
let tv = value_to_toml_value(
&engine_state,
&Value::test_string(
r#"
title = "TOML Example"
@ -221,9 +237,14 @@ mod tests {
//
// Negative Tests
//
value_to_toml_value(&Value::test_string("not_valid"), Span::test_data())
.expect_err("Expected non-valid toml (String) to cause error!");
value_to_toml_value(
&engine_state,
&Value::test_string("not_valid"),
Span::test_data(),
)
.expect_err("Expected non-valid toml (String) to cause error!");
value_to_toml_value(
&engine_state,
&Value::List {
vals: vec![Value::test_string("1")],
span: Span::test_data(),