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Refactor InputDescription API into Input API

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This commit is contained in:
Ethan P 2020-05-16 15:06:43 -07:00 committed by David Peter
parent 11a72ab765
commit 798b742617
5 changed files with 137 additions and 54 deletions
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6
src/bin/bat/app.rs
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@ -257,7 +257,7 @@ impl App {
let files: Option<Vec<&OsStr>> = self.matches.values_of_os("FILE").map(|vs| vs.collect());
if files.is_none() {
let input = Input::stdin().with_name(filenames_or_none.next().unwrap_or(None));
let input = Input::stdin().as_file(filenames_or_none.next().unwrap_or(None));
return Ok(vec![input]);
}
let files_or_none: Box<dyn Iterator<Item = _>> = match files {
@ -269,9 +269,9 @@ impl App {
for (filepath, provided_name) in files_or_none.zip(filenames_or_none) {
if let Some(filepath) = filepath {
if filepath.to_str().unwrap_or_default() == "-" {
file_input.push(Input::stdin().with_name(provided_name));
file_input.push(Input::stdin().as_file(provided_name));
} else {
file_input.push(Input::ordinary_file(filepath).with_name(provided_name));
file_input.push(Input::ordinary_file(filepath).as_file(provided_name));
}
}
}

2
src/bin/bat/main.rs
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@ -25,7 +25,6 @@ use assets::{assets_from_cache_or_binary, cache_dir, clear_assets, config_dir};
use clap::crate_version;
use directories::PROJECT_DIRS;
use bat::input::InputDescription;
use bat::{
assets::HighlightingAssets,
config::Config,
@ -124,7 +123,6 @@ pub fn list_languages(config: &Config) -> Result<()> {
fn theme_preview_file<'a>() -> Input<'a> {
Input::from_reader(Box::new(BufReader::new(THEME_PREVIEW_DATA)))
.with_name(Some("theme.rs".as_ref()))
.with_description(Some(InputDescription::new("")))
}
pub fn list_themes(cfg: &Config) -> Result<()> {

85
src/input.rs
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@ -10,39 +10,48 @@ use crate::error::*;
/// This tells bat how to refer to the input.
#[derive(Clone)]
pub struct InputDescription {
name: String,
pub(crate) name: String,
/// The input title.
/// This replaces the name if provided.
title: Option<String>,
/// The input kind.
kind: Option<String>,
/// A summary description of the input.
/// Defaults to "{kind} '{name}'"
summary: Option<String>,
}
impl InputDescription {
/// Creates a description for an input.
///
/// The name should describe where the input came from (e.g. "README.md")
pub fn new(name: impl Into<String>) -> Self {
InputDescription {
name: name.into(),
title: None,
kind: None,
summary: None,
}
}
/// A description for the type of input (e.g. "File")
pub fn with_kind(mut self, kind: Option<impl Into<String>>) -> Self {
self.kind = kind.map(|kind| kind.into());
self
pub fn set_kind(&mut self, kind: Option<String>) -> () {
self.kind = kind;
}
/// A summary description of the input.
///
/// Defaults to "{kind} '{name}'"
pub fn with_summary(mut self, summary: Option<impl Into<String>>) -> Self {
self.summary = summary.map(|summary| summary.into());
self
pub fn set_summary(&mut self, summary: Option<String>) -> () {
self.summary = summary;
}
pub fn name(&self) -> &String {
&self.name
pub fn set_title(&mut self, title: Option<String>) -> () {
self.title = title;
}
pub fn title(&self) -> &String {
match self.title.as_ref() {
Some(ref title) => title,
None => &self.name,
}
}
pub fn kind(&self) -> Option<&String> {
@ -66,9 +75,7 @@ pub(crate) enum InputKind<'a> {
impl<'a> InputKind<'a> {
pub fn description(&self) -> InputDescription {
match self {
InputKind::OrdinaryFile(ref path) => {
InputDescription::new(path.to_string_lossy()).with_kind(Some("File"))
}
InputKind::OrdinaryFile(ref path) => InputDescription::new(path.to_string_lossy()),
InputKind::StdIn => InputDescription::new("STDIN"),
InputKind::CustomReader(_) => InputDescription::new("READER"),
}
@ -83,7 +90,7 @@ pub(crate) struct InputMetadata {
pub struct Input<'a> {
pub(crate) kind: InputKind<'a>,
pub(crate) metadata: InputMetadata,
pub(crate) description: Option<InputDescription>,
pub(crate) description: InputDescription,
}
pub(crate) enum OpenedInputKind {
@ -101,26 +108,29 @@ pub(crate) struct OpenedInput<'a> {
impl<'a> Input<'a> {
pub fn ordinary_file(path: &OsStr) -> Self {
let kind = InputKind::OrdinaryFile(path.to_os_string());
Input {
kind: InputKind::OrdinaryFile(path.to_os_string()),
description: kind.description(),
metadata: InputMetadata::default(),
description: None,
kind,
}
}
pub fn stdin() -> Self {
let kind = InputKind::StdIn;
Input {
kind: InputKind::StdIn,
description: kind.description(),
metadata: InputMetadata::default(),
description: None,
kind,
}
}
pub fn from_reader(reader: Box<dyn Read + 'a>) -> Self {
let kind = InputKind::CustomReader(reader);
Input {
kind: InputKind::CustomReader(reader),
description: kind.description(),
metadata: InputMetadata::default(),
description: None,
kind,
}
}
@ -133,23 +143,26 @@ impl<'a> Input<'a> {
}
pub fn with_name(mut self, provided_name: Option<&OsStr>) -> Self {
match provided_name {
Some(name) => self.description.name = name.to_string_lossy().to_string(),
None => {}
}
self.metadata.user_provided_name = provided_name.map(|n| n.to_owned());
self
}
pub fn with_description(mut self, description: Option<InputDescription>) -> Self {
self.description = description;
self
pub fn as_file(mut self, provided_name: Option<&OsStr>) -> Self {
self.description.kind = Some("File".to_owned());
self.with_name(provided_name)
}
pub fn description(&self) -> InputDescription {
if let Some(ref description) = self.description {
description.clone()
} else if let Some(ref name) = self.metadata.user_provided_name {
InputDescription::new(name.to_string_lossy()).with_kind(Some("File"))
} else {
self.kind.description()
}
pub fn description(&self) -> &InputDescription {
&self.description
}
pub fn description_mut(&mut self) -> &mut InputDescription {
&mut self.description
}
pub(crate) fn open<R: BufRead + 'a>(self, stdin: R) -> Result<OpenedInput<'a>> {

96
src/pretty_printer.rs
View File

@ -9,7 +9,7 @@ use crate::{
config::{Config, VisibleLines},
controller::Controller,
error::Result,
input::Input,
input::Input as BatInput,
line_range::{HighlightedLineRanges, LineRange, LineRanges},
style::{StyleComponent, StyleComponents},
SyntaxMapping, WrappingMode,
@ -61,10 +61,17 @@ impl<'a> PrettyPrinter<'a> {
self
}
/// Adds multiple inputs which should be pretty-printed
pub fn inputs(&mut self, inputs: impl IntoIterator<Item = Input<'a>>) -> &mut Self {
for input in inputs {
self.inputs.push(input);
}
self
}
/// Add a file which should be pretty-printed
pub fn input_file(&mut self, path: impl AsRef<OsStr>) -> &mut Self {
self.inputs.push(Input::ordinary_file(path.as_ref()));
self
self.input(Input::from_file(path).kind("File"))
}
/// Add multiple files which should be pretty-printed
@ -73,22 +80,20 @@ impl<'a> PrettyPrinter<'a> {
I: IntoIterator<Item = P>,
P: AsRef<OsStr>,
{
for path in paths {
self.inputs.push(Input::ordinary_file(path.as_ref()));
}
self
self.inputs(paths.into_iter().map(Input::from_file))
}
/// Add STDIN as an input
pub fn input_stdin(&mut self) -> &mut Self {
self.inputs.push(Input::stdin());
self.inputs.push(Input::from_stdin());
self
}
/// Add STDIN as an input (with customized name)
#[deprecated]
pub fn input_stdin_with_name(&mut self, name: impl AsRef<OsStr>) -> &mut Self {
self.inputs
.push(Input::stdin().with_name(Some(name.as_ref())));
.push(Input::from_stdin().name(name).kind("File"));
self
}
@ -98,6 +103,8 @@ impl<'a> PrettyPrinter<'a> {
}
/// Add a byte string as an input (with customized name)
#[deprecated]
#[allow(deprecated)]
pub fn input_from_bytes_with_name(
&mut self,
content: &'a [u8],
@ -108,18 +115,19 @@ impl<'a> PrettyPrinter<'a> {
/// Add a custom reader as an input
pub fn input_from_reader<R: Read + 'a>(&mut self, reader: R) -> &mut Self {
self.inputs.push(Input::from_reader(Box::new(reader)));
self.inputs.push(Input::from_reader(reader));
self
}
/// Add a custom reader as an input (with customized name)
#[deprecated]
pub fn input_from_reader_with_name<R: Read + 'a>(
&mut self,
reader: R,
name: impl AsRef<OsStr>,
) -> &mut Self {
self.inputs
.push(Input::from_reader(Box::new(reader)).with_name(Some(name.as_ref())));
.push(Input::from_reader(reader).name(name).kind("File"));
self
}
@ -292,10 +300,74 @@ impl<'a> PrettyPrinter<'a> {
}
self.config.style_components = StyleComponents::new(&style_components);
// Collect the inputs to print
let mut inputs: Vec<Input> = vec![];
std::mem::swap(&mut inputs, &mut self.inputs);
// Run the controller
let controller = Controller::new(&self.config, &self.assets);
controller.run(inputs)
controller.run(inputs.into_iter().map(|i| i.into()).collect())
}
}
pub struct Input<'a> {
input: BatInput<'a>,
}
impl<'a> Input<'a> {
/// A new input from a reader.
pub fn from_reader<R: Read + 'a>(reader: R) -> Self {
BatInput::from_reader(Box::new(reader)).into()
}
/// A new input from a file.
pub fn from_file(path: impl AsRef<OsStr>) -> Self {
BatInput::ordinary_file(path.as_ref()).into()
}
/// A new input from bytes.
pub fn from_bytes(bytes: &'a [u8]) -> Self {
Input::from_reader(bytes).into()
}
/// A new input from STDIN.
pub fn from_stdin() -> Self {
BatInput::stdin().into()
}
/// The filename of the input.
/// This affects syntax detection and changes the default header title.
pub fn name(mut self, name: impl AsRef<OsStr>) -> Self {
self.input = self.input.with_name(Some(name.as_ref()));
self
}
/// The description for the type of input (e.g. "File")
/// This defaults to "File" for files, and nothing for other inputs.
pub fn kind(mut self, kind: impl Into<String>) -> Self {
let kind = kind.into();
self.input
.description_mut()
.set_kind(if kind.is_empty() { None } else { Some(kind) });
self
}
/// The title for the input (e.g. "http://example.com/example.txt")
/// This defaults to the file name.
pub fn title(mut self, title: impl Into<String>) -> Self {
self.input.description_mut().set_title(Some(title.into()));
self
}
}
impl<'a> Into<Input<'a>> for BatInput<'a> {
fn into(self) -> Input<'a> {
Input { input: self }
}
}
impl<'a> Into<BatInput<'a>> for Input<'a> {
fn into(self) -> BatInput<'a> {
self.input
}
}

2
src/printer.rs
View File

@ -292,7 +292,7 @@ impl<'a> Printer for InteractivePrinter<'a> {
.kind()
.map(|kind| format!("{}: ", kind))
.unwrap_or("".into()),
self.colors.filename.paint(description.name()),
self.colors.filename.paint(description.title()),
mode
)?;