131 lines
4.0 KiB
Rust
131 lines
4.0 KiB
Rust
use super::base64::{operate, ActionType, Base64CommandArguments, CHARACTER_SET_DESC};
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use nu_engine::command_prelude::*;
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use nu_protocol::{report_warning_new, ParseWarning};
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#[derive(Clone)]
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pub struct DecodeBase64Old;
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impl Command for DecodeBase64Old {
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fn name(&self) -> &str {
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"decode base64"
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}
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fn signature(&self) -> Signature {
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Signature::build("decode base64")
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.input_output_types(vec![
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(Type::String, Type::Any),
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(
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Type::List(Box::new(Type::String)),
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Type::List(Box::new(Type::Any)),
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),
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(Type::table(), Type::table()),
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(Type::record(), Type::record()),
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])
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.allow_variants_without_examples(true)
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.named(
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"character-set",
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SyntaxShape::String,
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CHARACTER_SET_DESC,
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Some('c'),
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)
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.switch(
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"binary",
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"Output a binary value instead of decoding payload as UTF-8",
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Some('b'),
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)
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.rest(
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"rest",
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SyntaxShape::CellPath,
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"For a data structure input, decode data at the given cell paths.",
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)
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.category(Category::Hash)
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}
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fn usage(&self) -> &str {
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"Base64 decode a value."
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}
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fn extra_usage(&self) -> &str {
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r#"Will attempt to decode binary payload as an UTF-8 string by default. Use the `--binary(-b)` argument to force binary output."#
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}
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fn examples(&self) -> Vec<Example> {
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vec![
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Example {
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description: "Base64 decode a value and output as UTF-8 string",
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example: "'U29tZSBEYXRh' | decode base64",
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result: Some(Value::test_string("Some Data")),
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},
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Example {
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description: "Base64 decode a value and output as binary",
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example: "'U29tZSBEYXRh' | decode base64 --binary",
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result: Some(Value::binary(
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[0x53, 0x6f, 0x6d, 0x65, 0x20, 0x44, 0x61, 0x74, 0x61],
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Span::test_data(),
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)),
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},
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]
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}
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fn is_const(&self) -> bool {
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true
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}
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fn run(
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&self,
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engine_state: &EngineState,
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stack: &mut Stack,
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call: &Call,
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input: PipelineData,
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) -> Result<PipelineData, ShellError> {
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report_warning_new(
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engine_state,
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&ParseWarning::DeprecatedWarning {
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old_command: "decode base64".into(),
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new_suggestion: "the new `decode new-base64` version".into(),
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span: call.head,
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url: "`help decode new-base64`".into(),
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},
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);
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let character_set: Option<Spanned<String>> =
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call.get_flag(engine_state, stack, "character-set")?;
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let binary = call.has_flag(engine_state, stack, "binary")?;
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let cell_paths: Vec<CellPath> = call.rest(engine_state, stack, 0)?;
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let args = Base64CommandArguments {
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action_type: ActionType::Decode,
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binary,
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character_set,
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};
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operate(engine_state, call, input, cell_paths, args)
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}
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fn run_const(
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&self,
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working_set: &StateWorkingSet,
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call: &Call,
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input: PipelineData,
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) -> Result<PipelineData, ShellError> {
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let character_set: Option<Spanned<String>> =
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call.get_flag_const(working_set, "character-set")?;
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let binary = call.has_flag_const(working_set, "binary")?;
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let cell_paths: Vec<CellPath> = call.rest_const(working_set, 0)?;
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let args = Base64CommandArguments {
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action_type: ActionType::Decode,
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binary,
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character_set,
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};
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operate(working_set.permanent(), call, input, cell_paths, args)
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_examples() {
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crate::test_examples(DecodeBase64Old)
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}
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}
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