2873e943b3
* Add search terms to command * Rename Signature desc to usage To be named uniformly with extra_usage * Throw in foldl search term for reduce * Add missing usage to post * Add search terms to signature * Try to add capnp Signature serialization
71 lines
2.5 KiB
Rust
71 lines
2.5 KiB
Rust
use crate::Query;
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use nu_plugin::{EvaluatedCall, LabeledError, Plugin};
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use nu_protocol::{Category, Signature, Spanned, SyntaxShape, Value};
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impl Plugin for Query {
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fn signature(&self) -> Vec<Signature> {
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vec![
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Signature::build("query")
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.usage("Show all the query commands")
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.category(Category::Filters),
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Signature::build("query json")
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.usage("execute json query on json file (open --raw <file> | query json 'query string')")
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.required("query", SyntaxShape::String, "json query")
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.category(Category::Filters),
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Signature::build("query xml")
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.usage("execute xpath query on xml")
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.required("query", SyntaxShape::String, "xpath query")
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.category(Category::Filters),
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Signature::build("query web")
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.usage("execute selector query on html/web")
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.named("query", SyntaxShape::String, "selector query", Some('q'))
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.switch("as-html", "return the query output as html", Some('m'))
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.named(
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"attribute",
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SyntaxShape::String,
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"downselect based on the given attribute",
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Some('a'),
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)
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.named(
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"as-table",
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SyntaxShape::Table,
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"find table based on column header list",
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Some('t'),
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)
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.switch(
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"inspect",
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"run in inspect mode to provide more information for determining column headers",
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Some('i'),
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)
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.category(Category::Network),
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]
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}
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fn run(
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&mut self,
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name: &str,
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call: &EvaluatedCall,
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input: &Value,
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) -> Result<Value, LabeledError> {
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// You can use the name to identify what plugin signature was called
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let path: Option<Spanned<String>> = call.opt(0)?;
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match name {
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"query" => {
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self.query(name, call, input, path)
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}
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"query json" => self.query_json( name, call, input, path),
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"query web" => self.query_web(name, call, input, path),
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"query xml" => self.query_xml(name, call, input, path),
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_ => Err(LabeledError {
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label: "Plugin call with wrong name signature".into(),
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msg: "the signature used to call the plugin does not match any name in the plugin signature vector".into(),
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span: Some(call.head),
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}),
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}
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}
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}
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