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query command with json, web, xml (#870)
* query command with json, web, xml * query xml now working * clippy * comment out web tests * Initial work on query web For now we can query everything except tables * Support for querying tables Now we can query multiple tables just like before, now the only thing missing is the test coverage * finish off * comment out web test Co-authored-by: Luccas Mateus de Medeiros Gomes <luccasmmg@gmail.com>
This commit is contained in:
Darren Schroeder
GitHub
parent
ebaa584c5e
commit
004d7b5ff0
17 changed files with 2527 additions and 31 deletions
435
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@ -463,7 +463,7 @@ checksum = "58549f1842da3080ce63002102d5bc954c7bc843d4f47818e642abdc36253552"
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@ -473,8 +473,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -690,6 +723,19 @@ version = "0.2.2"
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"libc",
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|
|
@ -2676,6 +2891,12 @@ dependencies = [
|
|||
"unicode-width",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro-hack"
|
||||
version = "0.5.19"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro2"
|
||||
version = "1.0.33"
|
||||
|
|
@ -2734,6 +2955,20 @@ dependencies = [
|
|||
"proc-macro2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand"
|
||||
version = "0.7.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
|
||||
dependencies = [
|
||||
"getrandom 0.1.16",
|
||||
"libc",
|
||||
"rand_chacha 0.2.2",
|
||||
"rand_core 0.5.1",
|
||||
"rand_hc 0.2.0",
|
||||
"rand_pcg",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand"
|
||||
version = "0.8.4"
|
||||
|
|
@ -2741,9 +2976,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
|||
checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
|
||||
dependencies = [
|
||||
"libc",
|
||||
"rand_chacha",
|
||||
"rand_chacha 0.3.1",
|
||||
"rand_core 0.6.3",
|
||||
"rand_hc",
|
||||
"rand_hc 0.3.1",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_chacha"
|
||||
version = "0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
|
||||
dependencies = [
|
||||
"ppv-lite86",
|
||||
"rand_core 0.5.1",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -2761,6 +3006,9 @@ name = "rand_core"
|
|||
version = "0.5.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
|
||||
dependencies = [
|
||||
"getrandom 0.1.16",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_core"
|
||||
|
|
@ -2778,7 +3026,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
|||
checksum = "964d548f8e7d12e102ef183a0de7e98180c9f8729f555897a857b96e48122d2f"
|
||||
dependencies = [
|
||||
"num-traits",
|
||||
"rand",
|
||||
"rand 0.8.4",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_hc"
|
||||
version = "0.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
|
||||
dependencies = [
|
||||
"rand_core 0.5.1",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -2790,6 +3047,15 @@ dependencies = [
|
|||
"rand_core 0.6.3",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_pcg"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "16abd0c1b639e9eb4d7c50c0b8100b0d0f849be2349829c740fe8e6eb4816429"
|
||||
dependencies = [
|
||||
"rand_core 0.5.1",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_xoshiro"
|
||||
version = "0.4.0"
|
||||
|
|
@ -3020,6 +3286,15 @@ version = "0.1.21"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
|
||||
|
||||
[[package]]
|
||||
name = "rustc_version"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
|
||||
dependencies = [
|
||||
"semver 1.0.4",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "ryu"
|
||||
version = "1.0.6"
|
||||
|
|
@ -3051,6 +3326,22 @@ version = "1.1.0"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
|
||||
|
||||
[[package]]
|
||||
name = "scraper"
|
||||
version = "0.12.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "48e02aa790c80c2e494130dec6a522033b6a23603ffc06360e9fe6c611ea2c12"
|
||||
dependencies = [
|
||||
"cssparser",
|
||||
"ego-tree",
|
||||
"getopts",
|
||||
"html5ever",
|
||||
"matches",
|
||||
"selectors",
|
||||
"smallvec",
|
||||
"tendril",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "security-framework"
|
||||
version = "2.4.2"
|
||||
|
|
@ -3074,6 +3365,26 @@ dependencies = [
|
|||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "selectors"
|
||||
version = "0.22.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "df320f1889ac4ba6bc0cdc9c9af7af4bd64bb927bccdf32d81140dc1f9be12fe"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
"cssparser",
|
||||
"derive_more",
|
||||
"fxhash",
|
||||
"log",
|
||||
"matches",
|
||||
"phf 0.8.0",
|
||||
"phf_codegen 0.8.0",
|
||||
"precomputed-hash",
|
||||
"servo_arc",
|
||||
"smallvec",
|
||||
"thin-slice",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "semver"
|
||||
version = "0.11.0"
|
||||
|
|
@ -3083,6 +3394,12 @@ dependencies = [
|
|||
"semver-parser",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "semver"
|
||||
version = "1.0.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "568a8e6258aa33c13358f81fd834adb854c6f7c9468520910a9b1e8fac068012"
|
||||
|
||||
[[package]]
|
||||
name = "semver-parser"
|
||||
version = "0.10.2"
|
||||
|
|
@ -3168,6 +3485,16 @@ dependencies = [
|
|||
"yaml-rust",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "servo_arc"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d98238b800e0d1576d8b6e3de32827c2d74bee68bb97748dcf5071fb53965432"
|
||||
dependencies = [
|
||||
"nodrop",
|
||||
"stable_deref_trait",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "sha2"
|
||||
version = "0.9.8"
|
||||
|
|
@ -3331,6 +3658,32 @@ version = "0.2.3"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a3ff2f71c82567c565ba4b3009a9350a96a7269eaa4001ebedae926230bc2254"
|
||||
|
||||
[[package]]
|
||||
name = "string_cache"
|
||||
version = "0.8.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "923f0f39b6267d37d23ce71ae7235602134b250ace715dd2c90421998ddac0c6"
|
||||
dependencies = [
|
||||
"lazy_static",
|
||||
"new_debug_unreachable",
|
||||
"parking_lot",
|
||||
"phf_shared 0.8.0",
|
||||
"precomputed-hash",
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "string_cache_codegen"
|
||||
version = "0.5.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f24c8e5e19d22a726626f1a5e16fe15b132dcf21d10177fa5a45ce7962996b97"
|
||||
dependencies = [
|
||||
"phf_generator 0.8.0",
|
||||
"phf_shared 0.8.0",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "strip-ansi-escapes"
|
||||
version = "0.1.1"
|
||||
|
|
@ -3368,6 +3721,27 @@ dependencies = [
|
|||
"atty",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "sxd-document"
|
||||
version = "0.3.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "94d82f37be9faf1b10a82c4bd492b74f698e40082f0f40de38ab275f31d42078"
|
||||
dependencies = [
|
||||
"peresil",
|
||||
"typed-arena",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "sxd-xpath"
|
||||
version = "0.4.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "36e39da5d30887b5690e29de4c5ebb8ddff64ebd9933f98a01daaa4fd11b36ea"
|
||||
dependencies = [
|
||||
"peresil",
|
||||
"quick-error",
|
||||
"sxd-document",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.82"
|
||||
|
|
@ -3415,12 +3789,23 @@ checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
|
|||
dependencies = [
|
||||
"cfg-if",
|
||||
"libc",
|
||||
"rand",
|
||||
"rand 0.8.4",
|
||||
"redox_syscall 0.2.10",
|
||||
"remove_dir_all",
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tendril"
|
||||
version = "0.4.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a9ef557cb397a4f0a5a3a628f06515f78563f2209e64d47055d9dc6052bf5e33"
|
||||
dependencies = [
|
||||
"futf",
|
||||
"mac",
|
||||
"utf-8",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "term"
|
||||
version = "0.5.2"
|
||||
|
|
@ -3478,6 +3863,12 @@ dependencies = [
|
|||
"unicode-width",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thin-slice"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8eaa81235c7058867fa8c0e7314f33dcce9c215f535d1913822a2b3f5e289f3c"
|
||||
|
||||
[[package]]
|
||||
name = "thiserror"
|
||||
version = "1.0.30"
|
||||
|
|
@ -3629,6 +4020,12 @@ version = "0.2.3"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
|
||||
|
||||
[[package]]
|
||||
name = "typed-arena"
|
||||
version = "1.7.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a9b2228007eba4120145f785df0f6c92ea538f5a3635a612ecf4e334c8c1446d"
|
||||
|
||||
[[package]]
|
||||
name = "typenum"
|
||||
version = "1.14.0"
|
||||
|
|
@ -3750,6 +4147,12 @@ dependencies = [
|
|||
"log",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "utf-8"
|
||||
version = "0.7.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
|
||||
|
||||
[[package]]
|
||||
name = "utf8-width"
|
||||
version = "0.1.5"
|
||||
|
|
|
|||
12
Cargo.toml
12
Cargo.toml
|
|
@ -18,6 +18,7 @@ members = [
|
|||
"crates/nu_plugin_inc",
|
||||
"crates/nu_plugin_gstat",
|
||||
"crates/nu_plugin_example",
|
||||
"crates/nu_plugin_query",
|
||||
]
|
||||
|
||||
[dependencies]
|
||||
|
|
@ -48,7 +49,7 @@ pretty_env_logger = "0.4.0"
|
|||
nu_plugin_inc = { version = "0.1.0", path = "./crates/nu_plugin_inc", optional = true }
|
||||
nu_plugin_example = { version = "0.1.0", path = "./crates/nu_plugin_example", optional = true }
|
||||
nu_plugin_gstat = { version = "0.1.0", path = "./crates/nu_plugin_gstat", optional = true }
|
||||
|
||||
nu_plugin_query = { version = "0.1.0", path = "./crates/nu_plugin_query", optional = true }
|
||||
|
||||
[dev-dependencies]
|
||||
tempfile = "3.2.0"
|
||||
|
|
@ -73,6 +74,7 @@ extra = [
|
|||
"dataframe",
|
||||
"gstat",
|
||||
"zip-support",
|
||||
"query",
|
||||
]
|
||||
|
||||
wasi = ["inc"]
|
||||
|
|
@ -80,13 +82,12 @@ wasi = ["inc"]
|
|||
# Stable (Default)
|
||||
inc = ["nu_plugin_inc"]
|
||||
example = ["nu_plugin_example"]
|
||||
|
||||
which = ["nu-command/which"]
|
||||
|
||||
# Extra
|
||||
gstat = ["nu_plugin_gstat"]
|
||||
|
||||
zip-support = ["nu-command/zip"]
|
||||
query = ["nu_plugin_query"]
|
||||
|
||||
# Dataframe feature for nushell
|
||||
dataframe = ["nu-command/dataframe"]
|
||||
|
|
@ -111,6 +112,11 @@ name = "nu_plugin_gstat"
|
|||
path = "src/plugins/nu_plugin_extra_gstat.rs"
|
||||
required-features = ["gstat"]
|
||||
|
||||
[[bin]]
|
||||
name = "nu_plugin_query"
|
||||
path = "src/plugins/nu_plugin_extra_query.rs"
|
||||
required-features = ["query"]
|
||||
|
||||
# Main nu binary
|
||||
[[bin]]
|
||||
name = "engine-q"
|
||||
|
|
|
|||
|
|
@ -262,7 +262,7 @@ pub fn get_documentation(
|
|||
long_desc
|
||||
}
|
||||
|
||||
fn get_flags_section(signature: &Signature) -> String {
|
||||
pub fn get_flags_section(signature: &Signature) -> String {
|
||||
let mut long_desc = String::new();
|
||||
long_desc.push_str("\nFlags:\n");
|
||||
for flag in &signature.named {
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
mod call_ext;
|
||||
pub mod column;
|
||||
mod documentation;
|
||||
pub mod documentation;
|
||||
pub mod env;
|
||||
mod eval;
|
||||
mod glob_from;
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
// @generated by the capnpc-rust plugin to the Cap'n Proto schema compiler.
|
||||
// DO NOT EDIT.
|
||||
// source: plugin.capnp
|
||||
// source: crates/nu-plugin/src/serializers/capnp/schema/plugin.capnp
|
||||
|
||||
pub mod err {
|
||||
/* T */
|
||||
|
|
@ -2252,9 +2252,15 @@ pub enum Category {
|
|||
Filters = 7,
|
||||
Formats = 8,
|
||||
Math = 9,
|
||||
Strings = 10,
|
||||
System = 11,
|
||||
Viewers = 12,
|
||||
Network = 10,
|
||||
Random = 11,
|
||||
Platform = 12,
|
||||
Shells = 13,
|
||||
Strings = 14,
|
||||
System = 15,
|
||||
Viewers = 16,
|
||||
Hash = 17,
|
||||
Generators = 18,
|
||||
}
|
||||
impl ::capnp::traits::FromU16 for Category {
|
||||
#[inline]
|
||||
|
|
@ -2270,9 +2276,15 @@ impl ::capnp::traits::FromU16 for Category {
|
|||
7 => ::core::result::Result::Ok(Category::Filters),
|
||||
8 => ::core::result::Result::Ok(Category::Formats),
|
||||
9 => ::core::result::Result::Ok(Category::Math),
|
||||
10 => ::core::result::Result::Ok(Category::Strings),
|
||||
11 => ::core::result::Result::Ok(Category::System),
|
||||
12 => ::core::result::Result::Ok(Category::Viewers),
|
||||
10 => ::core::result::Result::Ok(Category::Network),
|
||||
11 => ::core::result::Result::Ok(Category::Random),
|
||||
12 => ::core::result::Result::Ok(Category::Platform),
|
||||
13 => ::core::result::Result::Ok(Category::Shells),
|
||||
14 => ::core::result::Result::Ok(Category::Strings),
|
||||
15 => ::core::result::Result::Ok(Category::System),
|
||||
16 => ::core::result::Result::Ok(Category::Viewers),
|
||||
17 => ::core::result::Result::Ok(Category::Hash),
|
||||
18 => ::core::result::Result::Ok(Category::Generators),
|
||||
n => ::core::result::Result::Err(::capnp::NotInSchema(n)),
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -75,9 +75,15 @@ enum Category {
|
|||
filters @7;
|
||||
formats @8;
|
||||
math @9;
|
||||
strings @10;
|
||||
system @11;
|
||||
viewers @12;
|
||||
network @10;
|
||||
random @11;
|
||||
platform @12;
|
||||
shells @13;
|
||||
strings @14;
|
||||
system @15;
|
||||
viewers @16;
|
||||
hash @17;
|
||||
generators @18;
|
||||
}
|
||||
|
||||
struct Flag {
|
||||
|
|
|
|||
|
|
@ -18,9 +18,15 @@ pub(crate) fn serialize_signature(signature: &Signature, mut builder: signature:
|
|||
Category::Filters => builder.set_category(PluginCategory::Filters),
|
||||
Category::Formats => builder.set_category(PluginCategory::Formats),
|
||||
Category::Math => builder.set_category(PluginCategory::Math),
|
||||
Category::Network => builder.set_category(PluginCategory::Network),
|
||||
Category::Random => builder.set_category(PluginCategory::Random),
|
||||
Category::Platform => builder.set_category(PluginCategory::Platform),
|
||||
Category::Shells => builder.set_category(PluginCategory::Shells),
|
||||
Category::Strings => builder.set_category(PluginCategory::Strings),
|
||||
Category::System => builder.set_category(PluginCategory::System),
|
||||
Category::Viewers => builder.set_category(PluginCategory::Viewers),
|
||||
Category::Hash => builder.set_category(PluginCategory::Hash),
|
||||
Category::Generators => builder.set_category(PluginCategory::Generators),
|
||||
_ => builder.set_category(PluginCategory::Default),
|
||||
}
|
||||
|
||||
|
|
@ -122,6 +128,12 @@ pub(crate) fn deserialize_signature(reader: signature::Reader) -> Result<Signatu
|
|||
PluginCategory::Strings => Category::Strings,
|
||||
PluginCategory::System => Category::System,
|
||||
PluginCategory::Viewers => Category::Viewers,
|
||||
PluginCategory::Network => Category::Network,
|
||||
PluginCategory::Random => Category::Random,
|
||||
PluginCategory::Platform => Category::Platform,
|
||||
PluginCategory::Shells => Category::Shells,
|
||||
PluginCategory::Hash => Category::Hash,
|
||||
PluginCategory::Generators => Category::Generators,
|
||||
};
|
||||
|
||||
// Deserializing required arguments
|
||||
|
|
|
|||
19
crates/nu_plugin_query/Cargo.toml
Normal file
19
crates/nu_plugin_query/Cargo.toml
Normal file
|
|
@ -0,0 +1,19 @@
|
|||
[package]
|
||||
authors = ["The Nu Project Contributors"]
|
||||
description = "A set of query commands for Nushell"
|
||||
edition = "2021"
|
||||
license = "MIT"
|
||||
name = "nu_plugin_query"
|
||||
version = "0.1.0"
|
||||
|
||||
[lib]
|
||||
doctest = false
|
||||
|
||||
[dependencies]
|
||||
nu-plugin = { path="../nu-plugin", version = "0.1.0" }
|
||||
nu-protocol = { path="../nu-protocol", version = "0.1.0" }
|
||||
nu-engine = { path="../nu-engine", version = "0.1.0" }
|
||||
gjson = "0.8.0"
|
||||
scraper = "0.12.0"
|
||||
sxd-document = "0.3.2"
|
||||
sxd-xpath = "0.4.2"
|
||||
12
crates/nu_plugin_query/src/lib.rs
Normal file
12
crates/nu_plugin_query/src/lib.rs
Normal file
|
|
@ -0,0 +1,12 @@
|
|||
mod nu;
|
||||
mod query;
|
||||
mod query_json;
|
||||
mod query_web;
|
||||
mod query_xml;
|
||||
mod web_tables;
|
||||
|
||||
pub use query::Query;
|
||||
pub use query_json::execute_json_query;
|
||||
pub use query_web::parse_selector_params;
|
||||
pub use query_xml::execute_xpath_query;
|
||||
pub use web_tables::WebTable;
|
||||
6
crates/nu_plugin_query/src/main.rs
Normal file
6
crates/nu_plugin_query/src/main.rs
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
use nu_plugin::{serve_plugin, CapnpSerializer};
|
||||
use nu_plugin_query::Query;
|
||||
|
||||
fn main() {
|
||||
serve_plugin(&mut Query {}, CapnpSerializer {})
|
||||
}
|
||||
70
crates/nu_plugin_query/src/nu/mod.rs
Normal file
70
crates/nu_plugin_query/src/nu/mod.rs
Normal file
|
|
@ -0,0 +1,70 @@
|
|||
use crate::Query;
|
||||
use nu_plugin::{EvaluatedCall, LabeledError, Plugin};
|
||||
use nu_protocol::{Category, Signature, Spanned, SyntaxShape, Value};
|
||||
|
||||
impl Plugin for Query {
|
||||
fn signature(&self) -> Vec<Signature> {
|
||||
vec![
|
||||
Signature::build("query")
|
||||
.desc("Show all the query commands")
|
||||
.category(Category::Filters),
|
||||
|
||||
Signature::build("query json")
|
||||
.desc("execute json query on json file (open --raw <file> | query json 'query string')")
|
||||
.required("query", SyntaxShape::String, "json query")
|
||||
.category(Category::Filters),
|
||||
|
||||
Signature::build("query xml")
|
||||
.desc("execute xpath query on xml")
|
||||
.required("query", SyntaxShape::String, "xpath query")
|
||||
.category(Category::Filters),
|
||||
|
||||
Signature::build("query web")
|
||||
.desc("execute selector query on html/web")
|
||||
.named("query", SyntaxShape::String, "selector query", Some('q'))
|
||||
.switch("as_html", "return the query output as html", Some('m'))
|
||||
.named(
|
||||
"attribute",
|
||||
SyntaxShape::String,
|
||||
"downselect based on the given attribute",
|
||||
Some('a'),
|
||||
)
|
||||
.named(
|
||||
"as_table",
|
||||
SyntaxShape::Table,
|
||||
"find table based on column header list",
|
||||
Some('t'),
|
||||
)
|
||||
.switch(
|
||||
"inspect",
|
||||
"run in inspect mode to provide more information for determining column headers",
|
||||
Some('i'),
|
||||
)
|
||||
.category(Category::Network),
|
||||
]
|
||||
}
|
||||
|
||||
fn run(
|
||||
&mut self,
|
||||
name: &str,
|
||||
call: &EvaluatedCall,
|
||||
input: &Value,
|
||||
) -> Result<Value, LabeledError> {
|
||||
// You can use the name to identify what plugin signature was called
|
||||
let path: Option<Spanned<String>> = call.opt(0)?;
|
||||
|
||||
match name {
|
||||
"query" => {
|
||||
self.query(name, call, input, path)
|
||||
}
|
||||
"query json" => self.query_json( name, call, input, path),
|
||||
"query web" => self.query_web(name, call, input, path),
|
||||
"query xml" => self.query_xml(name, call, input, path),
|
||||
_ => Err(LabeledError {
|
||||
label: "Plugin call with wrong name signature".into(),
|
||||
msg: "the signature used to call the plugin does not match any name in the plugin signature vector".into(),
|
||||
span: Some(call.head),
|
||||
}),
|
||||
}
|
||||
}
|
||||
}
|
||||
75
crates/nu_plugin_query/src/query.rs
Normal file
75
crates/nu_plugin_query/src/query.rs
Normal file
|
|
@ -0,0 +1,75 @@
|
|||
use crate::query_json::execute_json_query;
|
||||
use crate::query_web::parse_selector_params;
|
||||
use crate::query_xml::execute_xpath_query;
|
||||
use nu_engine::documentation::get_flags_section;
|
||||
use nu_plugin::{EvaluatedCall, LabeledError, Plugin};
|
||||
use nu_protocol::{Signature, Spanned, Value};
|
||||
|
||||
#[derive(Default)]
|
||||
pub struct Query;
|
||||
|
||||
impl Query {
|
||||
pub fn new() -> Self {
|
||||
Default::default()
|
||||
}
|
||||
|
||||
pub fn usage() -> &'static str {
|
||||
"Usage: query"
|
||||
}
|
||||
|
||||
pub fn query(
|
||||
&self,
|
||||
_name: &str,
|
||||
call: &EvaluatedCall,
|
||||
_value: &Value,
|
||||
_path: Option<Spanned<String>>,
|
||||
) -> Result<Value, LabeledError> {
|
||||
let help = get_brief_subcommand_help(&Query.signature());
|
||||
Ok(Value::string(help, call.head))
|
||||
}
|
||||
|
||||
pub fn query_json(
|
||||
&self,
|
||||
name: &str,
|
||||
call: &EvaluatedCall,
|
||||
input: &Value,
|
||||
query: Option<Spanned<String>>,
|
||||
) -> Result<Value, LabeledError> {
|
||||
execute_json_query(name, call, input, query)
|
||||
}
|
||||
pub fn query_web(
|
||||
&self,
|
||||
_name: &str,
|
||||
call: &EvaluatedCall,
|
||||
input: &Value,
|
||||
_rest: Option<Spanned<String>>,
|
||||
) -> Result<Value, LabeledError> {
|
||||
parse_selector_params(call, input)
|
||||
}
|
||||
pub fn query_xml(
|
||||
&self,
|
||||
name: &str,
|
||||
call: &EvaluatedCall,
|
||||
input: &Value,
|
||||
query: Option<Spanned<String>>,
|
||||
) -> Result<Value, LabeledError> {
|
||||
execute_xpath_query(name, call, input, query)
|
||||
}
|
||||
}
|
||||
|
||||
pub fn get_brief_subcommand_help(sigs: &[Signature]) -> String {
|
||||
let mut help = String::new();
|
||||
help.push_str(&format!("{}\n\n", sigs[0].usage));
|
||||
help.push_str(&format!("Usage:\n > {}\n\n", sigs[0].name));
|
||||
help.push_str("Subcommands:\n");
|
||||
|
||||
for x in sigs.iter().enumerate() {
|
||||
if x.0 == 0 {
|
||||
continue;
|
||||
}
|
||||
help.push_str(&format!(" {} - {}\n", x.1.name, x.1.usage));
|
||||
}
|
||||
|
||||
help.push_str(&get_flags_section(&sigs[0]));
|
||||
help
|
||||
}
|
||||
151
crates/nu_plugin_query/src/query_json.rs
Normal file
151
crates/nu_plugin_query/src/query_json.rs
Normal file
|
|
@ -0,0 +1,151 @@
|
|||
use gjson::Value as gjValue;
|
||||
use nu_plugin::{EvaluatedCall, LabeledError};
|
||||
use nu_protocol::{Span, Spanned, Value};
|
||||
|
||||
pub fn execute_json_query(
|
||||
_name: &str,
|
||||
call: &EvaluatedCall,
|
||||
input: &Value,
|
||||
query: Option<Spanned<String>>,
|
||||
) -> Result<Value, LabeledError> {
|
||||
let input_string = match &input.as_string() {
|
||||
Ok(s) => s.clone(),
|
||||
Err(e) => {
|
||||
return Err(LabeledError {
|
||||
span: Some(call.head),
|
||||
msg: e.to_string(),
|
||||
label: "problem with input data".to_string(),
|
||||
})
|
||||
}
|
||||
};
|
||||
|
||||
let query_string = match &query {
|
||||
Some(v) => &v.item,
|
||||
None => {
|
||||
return Err(LabeledError {
|
||||
msg: "problem with input data".to_string(),
|
||||
label: "problem with input data".to_string(),
|
||||
span: Some(call.head),
|
||||
})
|
||||
}
|
||||
};
|
||||
|
||||
// Validate the json before trying to query it
|
||||
let is_valid_json = gjson::valid(&input_string);
|
||||
|
||||
if !is_valid_json {
|
||||
return Err(LabeledError {
|
||||
msg: "invalid json".to_string(),
|
||||
label: "invalid json".to_string(),
|
||||
span: Some(call.head),
|
||||
});
|
||||
}
|
||||
|
||||
let val: gjValue = gjson::get(&input_string, query_string);
|
||||
|
||||
if query_contains_modifiers(query_string) {
|
||||
let json_str = val.json();
|
||||
Ok(Value::string(json_str, Span::test_data()))
|
||||
} else {
|
||||
Ok(convert_gjson_value_to_nu_value(&val, &call.head))
|
||||
}
|
||||
}
|
||||
|
||||
fn query_contains_modifiers(query: &str) -> bool {
|
||||
// https://github.com/tidwall/gjson.rs documents 7 modifiers as of 4/19/21
|
||||
// Some of these modifiers mean we really need to output the data as a string
|
||||
// instead of tabular data. Others don't matter.
|
||||
|
||||
// Output as String
|
||||
// @ugly: Remove all whitespace from a json document.
|
||||
// @pretty: Make the json document more human readable.
|
||||
query.contains("@ugly") || query.contains("@pretty")
|
||||
|
||||
// Output as Tablular
|
||||
// Since it's output as tabular, which is our default, we can just ignore these
|
||||
// @reverse: Reverse an array or the members of an object.
|
||||
// @this: Returns the current element. It can be used to retrieve the root element.
|
||||
// @valid: Ensure the json document is valid.
|
||||
// @flatten: Flattens an array.
|
||||
// @join: Joins multiple objects into a single object.
|
||||
}
|
||||
|
||||
fn convert_gjson_value_to_nu_value(v: &gjValue, span: &Span) -> Value {
|
||||
match v.kind() {
|
||||
gjson::Kind::Array => {
|
||||
let mut vals = vec![];
|
||||
v.each(|_k, v| {
|
||||
vals.push(convert_gjson_value_to_nu_value(&v, span));
|
||||
true
|
||||
});
|
||||
|
||||
Value::List { vals, span: *span }
|
||||
}
|
||||
gjson::Kind::Null => Value::nothing(*span),
|
||||
gjson::Kind::False => Value::boolean(false, *span),
|
||||
gjson::Kind::Number => {
|
||||
let str_value = v.str();
|
||||
if str_value.contains('.') {
|
||||
Value::float(v.f64(), *span)
|
||||
} else {
|
||||
Value::int(v.i64(), *span)
|
||||
}
|
||||
}
|
||||
gjson::Kind::String => Value::string(v.str(), *span),
|
||||
gjson::Kind::True => Value::boolean(true, *span),
|
||||
gjson::Kind::Object => {
|
||||
let mut cols = vec![];
|
||||
let mut vals = vec![];
|
||||
v.each(|k, v| {
|
||||
cols.push(k.to_string());
|
||||
vals.push(convert_gjson_value_to_nu_value(&v, span));
|
||||
true
|
||||
});
|
||||
Value::Record {
|
||||
cols,
|
||||
vals,
|
||||
span: *span,
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use gjson::{valid, Value as gjValue};
|
||||
|
||||
#[test]
|
||||
fn validate_string() {
|
||||
let json = r#"{ "name": { "first": "Tom", "last": "Anderson" }, "age": 37, "children": ["Sara", "Alex", "Jack"], "friends": [ { "first": "James", "last": "Murphy" }, { "first": "Roger", "last": "Craig" } ] }"#;
|
||||
let val = valid(json);
|
||||
assert!(val);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn answer_from_get_age() {
|
||||
let json = r#"{ "name": { "first": "Tom", "last": "Anderson" }, "age": 37, "children": ["Sara", "Alex", "Jack"], "friends": [ { "first": "James", "last": "Murphy" }, { "first": "Roger", "last": "Craig" } ] }"#;
|
||||
let val: gjValue = gjson::get(json, "age");
|
||||
assert_eq!(val.str(), "37");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn answer_from_get_children() {
|
||||
let json = r#"{ "name": { "first": "Tom", "last": "Anderson" }, "age": 37, "children": ["Sara", "Alex", "Jack"], "friends": [ { "first": "James", "last": "Murphy" }, { "first": "Roger", "last": "Craig" } ] }"#;
|
||||
let val: gjValue = gjson::get(json, "children");
|
||||
assert_eq!(val.str(), r#"["Sara", "Alex", "Jack"]"#);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn answer_from_get_children_count() {
|
||||
let json = r#"{ "name": { "first": "Tom", "last": "Anderson" }, "age": 37, "children": ["Sara", "Alex", "Jack"], "friends": [ { "first": "James", "last": "Murphy" }, { "first": "Roger", "last": "Craig" } ] }"#;
|
||||
let val: gjValue = gjson::get(json, "children.#");
|
||||
assert_eq!(val.str(), "3");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn answer_from_get_friends_first_name() {
|
||||
let json = r#"{ "name": { "first": "Tom", "last": "Anderson" }, "age": 37, "children": ["Sara", "Alex", "Jack"], "friends": [ { "first": "James", "last": "Murphy" }, { "first": "Roger", "last": "Craig" } ] }"#;
|
||||
let val: gjValue = gjson::get(json, "friends.#.first");
|
||||
assert_eq!(val.str(), r#"["James","Roger"]"#);
|
||||
}
|
||||
}
|
||||
303
crates/nu_plugin_query/src/query_web.rs
Normal file
303
crates/nu_plugin_query/src/query_web.rs
Normal file
|
|
@ -0,0 +1,303 @@
|
|||
use crate::web_tables::WebTable;
|
||||
use nu_plugin::{EvaluatedCall, LabeledError};
|
||||
use nu_protocol::{Span, Value};
|
||||
use scraper::{Html, Selector as ScraperSelector};
|
||||
|
||||
pub struct Selector {
|
||||
pub query: String,
|
||||
pub as_html: bool,
|
||||
pub attribute: String,
|
||||
pub as_table: Value,
|
||||
pub inspect: bool,
|
||||
}
|
||||
|
||||
impl Selector {
|
||||
pub fn new() -> Selector {
|
||||
Selector {
|
||||
query: String::new(),
|
||||
as_html: false,
|
||||
attribute: String::new(),
|
||||
as_table: Value::string("".to_string(), Span::test_data()),
|
||||
inspect: false,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Default for Selector {
|
||||
fn default() -> Self {
|
||||
Self::new()
|
||||
}
|
||||
}
|
||||
|
||||
pub fn parse_selector_params(call: &EvaluatedCall, input: &Value) -> Result<Value, LabeledError> {
|
||||
let head = call.head;
|
||||
let query: String = match call.get_flag("query")? {
|
||||
Some(q2) => q2,
|
||||
None => "".to_string(),
|
||||
};
|
||||
let as_html = call.has_flag("as_html");
|
||||
let attribute: String = match call.get_flag("attribute")? {
|
||||
Some(a) => a,
|
||||
None => "".to_string(),
|
||||
};
|
||||
let as_table: Value = match call.get_flag("as_table")? {
|
||||
Some(v) => v,
|
||||
None => Value::nothing(head),
|
||||
};
|
||||
|
||||
let inspect = call.has_flag("inspect");
|
||||
|
||||
if !&query.is_empty() && ScraperSelector::parse(&query).is_err() {
|
||||
return Err(LabeledError {
|
||||
msg: "Cannot parse this query as a valid css selector".to_string(),
|
||||
label: "Parse error".to_string(),
|
||||
span: Some(head),
|
||||
});
|
||||
}
|
||||
|
||||
let selector = Selector {
|
||||
query,
|
||||
as_html,
|
||||
attribute,
|
||||
as_table,
|
||||
inspect,
|
||||
};
|
||||
|
||||
match input {
|
||||
Value::String { val, span } => Ok(begin_selector_query(val.to_string(), selector, *span)),
|
||||
_ => Err(LabeledError {
|
||||
label: "requires text input".to_string(),
|
||||
msg: "Expected text from pipeline".to_string(),
|
||||
span: Some(input.span()?),
|
||||
}),
|
||||
}
|
||||
}
|
||||
|
||||
fn begin_selector_query(input_html: String, selector: Selector, span: Span) -> Value {
|
||||
if let Value::List { .. } = selector.as_table {
|
||||
return retrieve_tables(
|
||||
input_html.as_str(),
|
||||
&selector.as_table,
|
||||
selector.inspect,
|
||||
span,
|
||||
);
|
||||
} else {
|
||||
match selector.attribute.is_empty() {
|
||||
true => execute_selector_query(
|
||||
input_html.as_str(),
|
||||
selector.query.as_str(),
|
||||
selector.as_html,
|
||||
span,
|
||||
),
|
||||
false => execute_selector_query_with_attribute(
|
||||
input_html.as_str(),
|
||||
selector.query.as_str(),
|
||||
selector.attribute.as_str(),
|
||||
span,
|
||||
),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn retrieve_tables(
|
||||
input_string: &str,
|
||||
columns: &Value,
|
||||
inspect_mode: bool,
|
||||
span: Span,
|
||||
) -> Value {
|
||||
let html = input_string;
|
||||
let mut cols: Vec<String> = Vec::new();
|
||||
if let Value::List { vals, .. } = &columns {
|
||||
for x in vals {
|
||||
// TODO Find a way to get the Config object here
|
||||
if let Value::String { val, .. } = x {
|
||||
cols.push(val.to_string())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if inspect_mode {
|
||||
eprintln!("Passed in Column Headers = {:#?}", &cols,);
|
||||
}
|
||||
|
||||
let tables = match WebTable::find_by_headers(html, &cols) {
|
||||
Some(t) => {
|
||||
if inspect_mode {
|
||||
eprintln!("Table Found = {:#?}", &t);
|
||||
}
|
||||
t
|
||||
}
|
||||
None => vec![WebTable::empty()],
|
||||
};
|
||||
|
||||
if tables.len() == 1 {
|
||||
return retrieve_table(
|
||||
tables
|
||||
.into_iter()
|
||||
.next()
|
||||
.expect("This should never trigger"),
|
||||
columns,
|
||||
span,
|
||||
);
|
||||
}
|
||||
|
||||
let vals = tables
|
||||
.into_iter()
|
||||
.map(move |table| retrieve_table(table, columns, span))
|
||||
.collect();
|
||||
|
||||
Value::List { vals, span }
|
||||
}
|
||||
|
||||
fn retrieve_table(mut table: WebTable, columns: &Value, span: Span) -> Value {
|
||||
let mut cols: Vec<String> = Vec::new();
|
||||
if let Value::List { vals, .. } = &columns {
|
||||
for x in vals {
|
||||
// TODO Find a way to get the Config object here
|
||||
if let Value::String { val, .. } = x {
|
||||
cols.push(val.to_string())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if cols.is_empty() && !table.headers().is_empty() {
|
||||
for col in table.headers().keys() {
|
||||
cols.push(col.to_string());
|
||||
}
|
||||
}
|
||||
|
||||
let mut table_out = Vec::new();
|
||||
// sometimes there are tables where the first column is the headers, kind of like
|
||||
// a table has ben rotated ccw 90 degrees, in these cases all columns will be missing
|
||||
// we keep track of this with this variable so we can deal with it later
|
||||
let mut at_least_one_row_filled = false;
|
||||
// if columns are still empty, let's just make a single column table with the data
|
||||
if cols.is_empty() {
|
||||
at_least_one_row_filled = true;
|
||||
let table_with_no_empties: Vec<_> = table.iter().filter(|item| !item.is_empty()).collect();
|
||||
|
||||
let mut cols = vec![];
|
||||
let mut vals = vec![];
|
||||
for row in &table_with_no_empties {
|
||||
for (counter, cell) in row.iter().enumerate() {
|
||||
cols.push(format!("Column{}", counter));
|
||||
vals.push(Value::string(cell.to_string(), span))
|
||||
}
|
||||
}
|
||||
table_out.push(Value::Record { cols, vals, span })
|
||||
} else {
|
||||
for row in &table {
|
||||
let mut vals = vec![];
|
||||
let record_cols = &cols;
|
||||
for col in &cols {
|
||||
let val = row
|
||||
.get(col)
|
||||
.unwrap_or(&format!("Missing column: '{}'", &col))
|
||||
.to_string();
|
||||
|
||||
if !at_least_one_row_filled && val != format!("Missing column: '{}'", &col) {
|
||||
at_least_one_row_filled = true;
|
||||
}
|
||||
vals.push(Value::string(val, span));
|
||||
}
|
||||
table_out.push(Value::Record {
|
||||
cols: record_cols.to_vec(),
|
||||
vals,
|
||||
span,
|
||||
})
|
||||
}
|
||||
}
|
||||
if !at_least_one_row_filled {
|
||||
let mut data2 = Vec::new();
|
||||
for x in &table.data {
|
||||
data2.push(x.join(", "));
|
||||
}
|
||||
table.data = vec![data2];
|
||||
return retrieve_table(table, columns, span);
|
||||
}
|
||||
// table_out
|
||||
|
||||
Value::List {
|
||||
vals: table_out,
|
||||
span,
|
||||
}
|
||||
}
|
||||
|
||||
fn execute_selector_query_with_attribute(
|
||||
input_string: &str,
|
||||
query_string: &str,
|
||||
attribute: &str,
|
||||
span: Span,
|
||||
) -> Value {
|
||||
let doc = Html::parse_fragment(input_string);
|
||||
|
||||
let vals: Vec<Value> = doc
|
||||
.select(&css(query_string))
|
||||
.map(|selection| {
|
||||
Value::string(
|
||||
selection.value().attr(attribute).unwrap_or("").to_string(),
|
||||
span,
|
||||
)
|
||||
})
|
||||
.collect();
|
||||
Value::List { vals, span }
|
||||
}
|
||||
|
||||
fn execute_selector_query(
|
||||
input_string: &str,
|
||||
query_string: &str,
|
||||
as_html: bool,
|
||||
span: Span,
|
||||
) -> Value {
|
||||
let doc = Html::parse_fragment(input_string);
|
||||
|
||||
let vals: Vec<Value> = match as_html {
|
||||
true => doc
|
||||
.select(&css(query_string))
|
||||
.map(|selection| Value::string(selection.html(), span))
|
||||
.collect(),
|
||||
false => doc
|
||||
.select(&css(query_string))
|
||||
.map(|selection| {
|
||||
Value::string(
|
||||
selection
|
||||
.text()
|
||||
.fold("".to_string(), |acc, x| format!("{}{}", acc, x)),
|
||||
span,
|
||||
)
|
||||
})
|
||||
.collect(),
|
||||
};
|
||||
|
||||
Value::List { vals, span }
|
||||
}
|
||||
|
||||
pub fn css(selector: &str) -> ScraperSelector {
|
||||
ScraperSelector::parse(selector).expect("this should never trigger")
|
||||
}
|
||||
|
||||
// #[cfg(test)]
|
||||
// mod tests {
|
||||
// use super::*;
|
||||
|
||||
// const SIMPLE_LIST: &str = r#"
|
||||
// <ul>
|
||||
// <li>Coffee</li>
|
||||
// <li>Tea</li>
|
||||
// <li>Milk</li>
|
||||
// </ul>
|
||||
// "#;
|
||||
|
||||
// #[test]
|
||||
// fn test_first_child_is_not_empty() {
|
||||
// assert!(!execute_selector_query(SIMPLE_LIST, "li:first-child", false).is_empty())
|
||||
// }
|
||||
|
||||
// #[test]
|
||||
// fn test_first_child() {
|
||||
// assert_eq!(
|
||||
// vec!["Coffee".to_string()],
|
||||
// execute_selector_query(SIMPLE_LIST, "li:first-child", false)
|
||||
// )
|
||||
// }
|
||||
// }
|
||||
188
crates/nu_plugin_query/src/query_xml.rs
Normal file
188
crates/nu_plugin_query/src/query_xml.rs
Normal file
|
|
@ -0,0 +1,188 @@
|
|||
use nu_plugin::{EvaluatedCall, LabeledError};
|
||||
use nu_protocol::{Span, Spanned, Value};
|
||||
use sxd_document::parser;
|
||||
use sxd_xpath::{Context, Factory};
|
||||
|
||||
pub fn execute_xpath_query(
|
||||
_name: &str,
|
||||
call: &EvaluatedCall,
|
||||
input: &Value,
|
||||
query: Option<Spanned<String>>,
|
||||
) -> Result<Value, LabeledError> {
|
||||
let (query_string, span) = match &query {
|
||||
Some(v) => (&v.item, &v.span),
|
||||
None => {
|
||||
return Err(LabeledError {
|
||||
msg: "problem with input data".to_string(),
|
||||
label: "problem with input data".to_string(),
|
||||
span: Some(call.head),
|
||||
})
|
||||
}
|
||||
};
|
||||
|
||||
let xpath = build_xpath(query_string, span)?;
|
||||
let input_string = input.as_string()?;
|
||||
let package = parser::parse(&input_string);
|
||||
|
||||
if package.is_err() {
|
||||
return Err(LabeledError {
|
||||
label: "invalid xml document".to_string(),
|
||||
msg: "invalid xml document".to_string(),
|
||||
span: Some(call.head),
|
||||
});
|
||||
}
|
||||
|
||||
let package = package.expect("invalid xml document");
|
||||
|
||||
let document = package.as_document();
|
||||
let context = Context::new();
|
||||
|
||||
// leaving this here for augmentation at some point
|
||||
// build_variables(&arguments, &mut context);
|
||||
// build_namespaces(&arguments, &mut context);
|
||||
let res = xpath.evaluate(&context, document.root());
|
||||
|
||||
// Some xpath statements can be long, so let's truncate it with ellipsis
|
||||
let mut key = query_string.clone();
|
||||
if query_string.len() >= 20 {
|
||||
key.truncate(17);
|
||||
key += "...";
|
||||
} else {
|
||||
key = query_string.to_string();
|
||||
};
|
||||
|
||||
match res {
|
||||
Ok(r) => {
|
||||
let mut cols: Vec<String> = vec![];
|
||||
let mut vals: Vec<Value> = vec![];
|
||||
let mut records: Vec<Value> = vec![];
|
||||
|
||||
match r {
|
||||
sxd_xpath::Value::Nodeset(ns) => {
|
||||
for n in ns.into_iter() {
|
||||
cols.push(key.to_string());
|
||||
vals.push(Value::string(n.string_value(), Span::test_data()));
|
||||
}
|
||||
}
|
||||
sxd_xpath::Value::Boolean(b) => {
|
||||
cols.push(key.to_string());
|
||||
vals.push(Value::boolean(b, Span::test_data()));
|
||||
}
|
||||
sxd_xpath::Value::Number(n) => {
|
||||
cols.push(key.to_string());
|
||||
vals.push(Value::float(n, Span::test_data()));
|
||||
}
|
||||
sxd_xpath::Value::String(s) => {
|
||||
cols.push(key.to_string());
|
||||
vals.push(Value::string(s, Span::test_data()));
|
||||
}
|
||||
};
|
||||
|
||||
// convert the cols and vecs to a table by creating individual records
|
||||
// for each item so we can then use a list to make a table
|
||||
for (k, v) in cols.iter().zip(vals.iter()) {
|
||||
records.push(Value::Record {
|
||||
cols: vec![k.to_string()],
|
||||
vals: vec![v.clone()],
|
||||
span: Span::test_data(),
|
||||
})
|
||||
}
|
||||
|
||||
Ok(Value::List {
|
||||
vals: records,
|
||||
span: Span::test_data(),
|
||||
})
|
||||
}
|
||||
Err(_) => Err(LabeledError {
|
||||
label: "xpath query error".to_string(),
|
||||
msg: "xpath query error".to_string(),
|
||||
span: Some(Span::test_data()),
|
||||
}),
|
||||
}
|
||||
}
|
||||
|
||||
fn build_xpath(xpath_str: &str, span: &Span) -> Result<sxd_xpath::XPath, LabeledError> {
|
||||
let factory = Factory::new();
|
||||
|
||||
match factory.build(xpath_str) {
|
||||
Ok(xpath) => xpath.ok_or_else(|| LabeledError {
|
||||
label: "invalid xpath query".to_string(),
|
||||
msg: "invalid xpath query".to_string(),
|
||||
span: Some(*span),
|
||||
}),
|
||||
Err(_) => Err(LabeledError {
|
||||
label: "expected valid xpath query".to_string(),
|
||||
msg: "expected valid xpath query".to_string(),
|
||||
span: Some(*span),
|
||||
}),
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::execute_xpath_query as query;
|
||||
use nu_plugin::EvaluatedCall;
|
||||
use nu_protocol::{Span, Spanned, Value};
|
||||
|
||||
#[test]
|
||||
fn position_function_in_predicate() {
|
||||
let call = EvaluatedCall {
|
||||
head: Span::test_data(),
|
||||
positional: vec![],
|
||||
named: vec![],
|
||||
};
|
||||
|
||||
let text = Value::string(
|
||||
r#"<?xml version="1.0" encoding="UTF-8"?><a><b/><b/></a>"#,
|
||||
Span::test_data(),
|
||||
);
|
||||
|
||||
let spanned_str: Spanned<String> = Spanned {
|
||||
item: "count(//a/*[position() = 2])".to_string(),
|
||||
span: Span::test_data(),
|
||||
};
|
||||
|
||||
let actual = query("", &call, &text, Some(spanned_str)).expect("test should not fail");
|
||||
let expected = Value::List {
|
||||
vals: vec![Value::Record {
|
||||
cols: vec!["count(//a/*[posit...".to_string()],
|
||||
vals: vec![Value::float(1.0, Span::test_data())],
|
||||
span: Span::test_data(),
|
||||
}],
|
||||
span: Span::test_data(),
|
||||
};
|
||||
|
||||
assert_eq!(actual, expected);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn functions_implicitly_coerce_argument_types() {
|
||||
let call = EvaluatedCall {
|
||||
head: Span::test_data(),
|
||||
positional: vec![],
|
||||
named: vec![],
|
||||
};
|
||||
|
||||
let text = Value::string(
|
||||
r#"<?xml version="1.0" encoding="UTF-8"?><a>true</a>"#,
|
||||
Span::test_data(),
|
||||
);
|
||||
|
||||
let spanned_str: Spanned<String> = Spanned {
|
||||
item: "count(//*[contains(., true)])".to_string(),
|
||||
span: Span::test_data(),
|
||||
};
|
||||
|
||||
let actual = query("", &call, &text, Some(spanned_str)).expect("test should not fail");
|
||||
let expected = Value::List {
|
||||
vals: vec![Value::Record {
|
||||
cols: vec!["count(//*[contain...".to_string()],
|
||||
vals: vec![Value::float(1.0, Span::test_data())],
|
||||
span: Span::test_data(),
|
||||
}],
|
||||
span: Span::test_data(),
|
||||
};
|
||||
|
||||
assert_eq!(actual, expected);
|
||||
}
|
||||
}
|
||||
1227
crates/nu_plugin_query/src/web_tables.rs
Normal file
1227
crates/nu_plugin_query/src/web_tables.rs
Normal file
File diff suppressed because it is too large
Load diff
6
src/plugins/nu_plugin_extra_query.rs
Normal file
6
src/plugins/nu_plugin_extra_query.rs
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
use nu_plugin::{serve_plugin, CapnpSerializer};
|
||||
use nu_plugin_query::Query;
|
||||
|
||||
fn main() {
|
||||
serve_plugin(&mut Query::new(), CapnpSerializer {})
|
||||
}
|
||||
Loading…
Reference in a new issue