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Merge pull request #135 from jonathandturner/mime_open

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Add content-type to open, refactor open/enter
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Jonathan Turner 2019-06-26 19:52:50 +12:00 committed by GitHub
commit c9e74b1898
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 160 additions and 289 deletions
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1
Cargo.lock generated
View file

@ -1594,6 +1594,7 @@ dependencies = [
"log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
"logos 0.10.0-rc2 (registry+https://github.com/rust-lang/crates.io-index)",
"logos-derive 0.10.0-rc2 (registry+https://github.com/rust-lang/crates.io-index)",
"mime 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
"nom 5.0.0-beta3 (registry+https://github.com/rust-lang/crates.io-index)",
"nom_locate 0.3.1 (git+https://github.com/wycats/nom_locate.git?branch=nom5)",
"ordered-float 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",

1
Cargo.toml
View file

@ -67,6 +67,7 @@ unicode-xid = "0.1.0"
serde_ini = "0.2.0"
subprocess = "0.1.18"
sys-info = "0.5.7"
mime = "0.3.13"
[dependencies.pancurses]
version = "0.16"

168
src/commands/enter.rs
View file

@ -1,20 +1,18 @@
use crate::commands::command::CommandAction;
use crate::commands::open::{fetch, parse_as_value};
use crate::errors::ShellError;
use crate::object::{Primitive, Value};
use crate::prelude::*;
use std::path::{Path, PathBuf};
use std::path::PathBuf;
pub fn enter(args: CommandArgs) -> Result<OutputStream, ShellError> {
let path = match args.nth(0) {
None => {
return Err(ShellError::maybe_labeled_error(
"open requires a path or url",
"missing path",
args.name_span,
))
}
Some(p) => p,
};
if args.len() == 0 {
return Err(ShellError::maybe_labeled_error(
"open requires a path or url",
"missing path",
args.name_span,
));
}
let span = args.name_span;
@ -27,62 +25,10 @@ pub fn enter(args: CommandArgs) -> Result<OutputStream, ShellError> {
.path()
.to_path_buf();
let mut full_path = PathBuf::from(cwd);
let full_path = PathBuf::from(cwd);
let (file_extension, contents) = match path.item() {
Value::Primitive(Primitive::String(s)) => {
if s.starts_with("http:") || s.starts_with("https:") {
let response = reqwest::get(s);
match response {
Ok(mut r) => match r.text() {
Ok(s) => {
let fname = r
.url()
.path_segments()
.and_then(|segments| segments.last())
.and_then(|name| if name.is_empty() { None } else { Some(name) })
.and_then(|name| {
PathBuf::from(name)
.extension()
.map(|name| name.to_string_lossy().to_string())
});
(fname, s)
}
Err(_) => {
return Err(ShellError::labeled_error(
"Web page contents corrupt",
"received garbled data",
args.expect_nth(0)?.span,
));
}
},
Err(_) => {
return Err(ShellError::labeled_error(
"URL could not be opened",
"url not found",
args.expect_nth(0)?.span,
));
}
}
} else {
full_path.push(Path::new(s));
match std::fs::read_to_string(&full_path) {
Ok(s) => (
full_path
.extension()
.map(|name| name.to_string_lossy().to_string()),
s,
),
Err(_) => {
return Err(ShellError::labeled_error(
"File cound not be opened",
"file not found",
args.expect_nth(0)?.span,
));
}
}
}
}
let (file_extension, contents) = match &args.expect_nth(0)?.item {
Value::Primitive(Primitive::String(s)) => fetch(&full_path, s, args.expect_nth(0)?.span)?,
_ => {
return Err(ShellError::labeled_error(
"Expected string value for filename",
@ -121,91 +67,11 @@ pub fn enter(args: CommandArgs) -> Result<OutputStream, ShellError> {
}
};
match file_extension {
Some(x) if x == "toml" => {
stream.push_back(ReturnValue::Action(CommandAction::Enter(
crate::commands::from_toml::from_toml_string_to_value(contents).map_err(
move |_| {
ShellError::maybe_labeled_error(
"Could not load as TOML",
"could not load as TOML",
span,
)
},
)?,
)));
}
Some(x) if x == "json" => {
stream.push_back(ReturnValue::Action(CommandAction::Enter(
crate::commands::from_json::from_json_string_to_value(contents).map_err(
move |_| {
ShellError::maybe_labeled_error(
"Could not load as JSON",
"could not load as JSON",
span,
)
},
)?,
)));
}
Some(x) if x == "xml" => {
stream.push_back(ReturnValue::Action(CommandAction::Enter(
crate::commands::from_xml::from_xml_string_to_value(contents).map_err(
move |_| {
ShellError::maybe_labeled_error(
"Could not load as XML",
"could not load as XML",
span,
)
},
)?,
)));
}
Some(x) if x == "ini" => {
stream.push_back(ReturnValue::Action(CommandAction::Enter(
crate::commands::from_ini::from_ini_string_to_value(contents).map_err(
move |_| {
ShellError::maybe_labeled_error(
"Could not load as INI",
"could not load as INI",
span,
)
},
)?,
)));
}
Some(x) if x == "yml" => {
stream.push_back(ReturnValue::Action(CommandAction::Enter(
crate::commands::from_yaml::from_yaml_string_to_value(contents).map_err(
move |_| {
ShellError::maybe_labeled_error(
"Could not load as YAML",
"could not load as YAML",
span,
)
},
)?,
)));
}
Some(x) if x == "yaml" => {
stream.push_back(ReturnValue::Action(CommandAction::Enter(
crate::commands::from_yaml::from_yaml_string_to_value(contents).map_err(
move |_| {
ShellError::maybe_labeled_error(
"Could not load as YAML",
"could not load as YAML",
span,
)
},
)?,
)));
}
_ => {
stream.push_back(ReturnValue::Action(CommandAction::Enter(Value::Primitive(
Primitive::String(contents),
))));
}
}
stream.push_back(ReturnValue::Action(CommandAction::Enter(parse_as_value(
file_extension,
contents,
span,
)?)));
Ok(stream.boxed())
}

3
src/commands/from_yaml.rs
View file

@ -32,7 +32,8 @@ fn convert_yaml_value_to_nu_value(v: &serde_yaml::Value) -> Value {
}
Value::Object(collected)
}
_ => unimplemented!("Unsupported yaml case"),
serde_yaml::Value::Null => Value::Primitive(Primitive::Nothing),
x => unimplemented!("Unsupported yaml case: {:?}", x),
}
}

276
src/commands/open.rs
View file

@ -1,9 +1,12 @@
use crate::errors::ShellError;
use crate::object::{Primitive, Value};
use crate::parser::parse::span::Span;
use crate::parser::registry::{CommandConfig, NamedType};
use crate::prelude::*;
use indexmap::IndexMap;
use mime::Mime;
use std::path::{Path, PathBuf};
use std::str::FromStr;
pub struct Open;
@ -29,6 +32,134 @@ impl Command for Open {
}
}
pub fn fetch(cwd: &PathBuf, location: &str, span: Span) -> Result<(Option<String>, String), ShellError> {
let mut cwd = cwd.clone();
if location.starts_with("http:") || location.starts_with("https:") {
let response = reqwest::get(location);
match response {
Ok(mut r) => match r.text() {
Ok(s) => {
let path_extension = r
.url()
.path_segments()
.and_then(|segments| segments.last())
.and_then(|name| if name.is_empty() { None } else { Some(name) })
.and_then(|name| {
PathBuf::from(name)
.extension()
.map(|name| name.to_string_lossy().to_string())
});
let extension = match r.headers().get("content-type") {
Some(content_type) => {
let content_type =
Mime::from_str(content_type.to_str().unwrap()).unwrap();
match (content_type.type_(), content_type.subtype()) {
(mime::APPLICATION, mime::XML) => Some("xml".to_string()),
(mime::APPLICATION, mime::JSON) => Some("json".to_string()),
_ => path_extension,
}
}
None => path_extension,
};
Ok((extension, s))
}
Err(_) => {
return Err(ShellError::labeled_error(
"Web page contents corrupt",
"received garbled data",
span,
));
}
},
Err(_) => {
return Err(ShellError::labeled_error(
"URL could not be opened",
"url not found",
span,
));
}
}
} else {
cwd.push(Path::new(location));
match std::fs::read_to_string(&cwd) {
Ok(s) => Ok((
cwd.extension()
.map(|name| name.to_string_lossy().to_string()),
s,
)),
Err(_) => {
return Err(ShellError::labeled_error(
"File cound not be opened",
"file not found",
span,
));
}
}
}
}
pub fn parse_as_value(
extension: Option<String>,
contents: String,
name_span: Option<Span>,
) -> Result<Value, ShellError> {
match extension {
Some(x) if x == "toml" => crate::commands::from_toml::from_toml_string_to_value(contents)
.map_err(move |_| {
ShellError::maybe_labeled_error(
"Could not open as TOML",
"could not open as TOML",
name_span,
)
}),
Some(x) if x == "json" => crate::commands::from_json::from_json_string_to_value(contents)
.map_err(move |_| {
ShellError::maybe_labeled_error(
"Could not open as JSON",
"could not open as JSON",
name_span,
)
}),
Some(x) if x == "ini" => crate::commands::from_ini::from_ini_string_to_value(contents)
.map_err(move |_| {
ShellError::maybe_labeled_error(
"Could not open as INI",
"could not open as INI",
name_span,
)
}),
Some(x) if x == "xml" => crate::commands::from_xml::from_xml_string_to_value(contents)
.map_err(move |_| {
ShellError::maybe_labeled_error(
"Could not open as XML",
"could not open as XML",
name_span,
)
}),
Some(x) if x == "yml" => crate::commands::from_yaml::from_yaml_string_to_value(contents)
.map_err(move |_| {
ShellError::maybe_labeled_error(
"Could not open as YAML",
"could not open as YAML",
name_span,
)
}),
Some(x) if x == "yaml" => crate::commands::from_yaml::from_yaml_string_to_value(contents)
.map_err(move |_| {
ShellError::maybe_labeled_error(
"Could not open as YAML",
"could not open as YAML",
name_span,
)
}),
_ => {
Ok(Value::string(contents))
}
}
}
fn open(args: CommandArgs) -> Result<OutputStream, ShellError> {
if args.len() == 0 {
return Err(ShellError::maybe_labeled_error(
@ -48,62 +179,10 @@ fn open(args: CommandArgs) -> Result<OutputStream, ShellError> {
.unwrap()
.path()
.to_path_buf();
let mut full_path = PathBuf::from(cwd);
let full_path = PathBuf::from(cwd);
let (file_extension, contents) = match &args.expect_nth(0)?.item {
Value::Primitive(Primitive::String(s)) => {
if s.starts_with("http:") || s.starts_with("https:") {
let response = reqwest::get(s);
match response {
Ok(mut r) => match r.text() {
Ok(s) => {
let fname = r
.url()
.path_segments()
.and_then(|segments| segments.last())
.and_then(|name| if name.is_empty() { None } else { Some(name) })
.and_then(|name| {
PathBuf::from(name)
.extension()
.map(|name| name.to_string_lossy().to_string())
});
(fname, s)
}
Err(_) => {
return Err(ShellError::labeled_error(
"Web page contents corrupt",
"received garbled data",
args.expect_nth(0)?.span,
));
}
},
Err(_) => {
return Err(ShellError::labeled_error(
"URL could not be opened",
"url not found",
args.expect_nth(0)?.span,
));
}
}
} else {
full_path.push(Path::new(s));
match std::fs::read_to_string(&full_path) {
Ok(s) => (
full_path
.extension()
.map(|name| name.to_string_lossy().to_string()),
s,
),
Err(_) => {
return Err(ShellError::labeled_error(
"File cound not be opened",
"file not found",
args.expect_nth(0)?.span,
));
}
}
}
}
Value::Primitive(Primitive::String(s)) => fetch(&full_path, s, args.expect_nth(0)?.span)?,
_ => {
return Err(ShellError::labeled_error(
"Expected string value for filename",
@ -141,89 +220,12 @@ fn open(args: CommandArgs) -> Result<OutputStream, ShellError> {
file_extension
}
};
match file_extension {
Some(x) if x == "toml" => {
stream.push_back(ReturnValue::Value(
crate::commands::from_toml::from_toml_string_to_value(contents).map_err(
move |_| {
ShellError::maybe_labeled_error(
"Could not open as TOML",
"could not open as TOML",
span,
)
},
)?,
));
}
Some(x) if x == "json" => {
stream.push_back(ReturnValue::Value(
crate::commands::from_json::from_json_string_to_value(contents).map_err(
move |_| {
ShellError::maybe_labeled_error(
"Could not open as JSON",
"could not open as JSON",
span,
)
},
)?,
));
}
Some(x) if x == "ini" => {
stream.push_back(ReturnValue::Value(
crate::commands::from_ini::from_ini_string_to_value(contents).map_err(
move |_| {
ShellError::maybe_labeled_error(
"Could not open as INI",
"could not open as INI",
span,
)
},
)?,
));
}
Some(x) if x == "xml" => {
stream.push_back(ReturnValue::Value(
crate::commands::from_xml::from_xml_string_to_value(contents).map_err(
move |_| {
ShellError::maybe_labeled_error(
"Could not open as XML",
"could not open as XML",
span,
)
},
)?,
));
}
Some(x) if x == "yml" => {
stream.push_back(ReturnValue::Value(
crate::commands::from_yaml::from_yaml_string_to_value(contents).map_err(
move |_| {
ShellError::maybe_labeled_error(
"Could not open as YAML",
"could not open as YAML",
span,
)
},
)?,
));
}
Some(x) if x == "yaml" => {
stream.push_back(ReturnValue::Value(
crate::commands::from_yaml::from_yaml_string_to_value(contents).map_err(
move |_| {
ShellError::maybe_labeled_error(
"Could not open as YAML",
"could not open as YAML",
span,
)
},
)?,
));
}
_ => {
stream.push_back(ReturnValue::Value(Value::string(contents)));
}
}
stream.push_back(ReturnValue::Value(parse_as_value(
file_extension,
contents,
span,
)?));
Ok(stream.boxed())
}