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https://github.com/FliegendeWurst/cursive.git
synced 2024-11-09 19:00:46 +00:00
Make toml an optional feature
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565c64c528
commit
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@ -26,7 +26,6 @@ enum-map = "0.6.0"
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enumset = "0.4.0"
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log = "0.4.8"
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owning_ref = "0.4.0"
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toml = "0.5.1"
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unicode-segmentation = "1.3.0"
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unicode-width = "0.1.5"
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xi-unicode = "0.2.0"
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@ -38,6 +37,10 @@ chrono = "0.4.7"
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cfg-if = "0.1.9"
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ahash = "0.2.12"
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[dependencies.toml]
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optional = true
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version = "0.5.1"
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[dependencies.num]
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default-features = false
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version = "0.2.0"
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@ -3,6 +3,9 @@ use cursive::Cursive;
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fn main() {
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let mut siv = Cursive::default();
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#[cfg(feature = "toml")]
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{
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// You can load a theme from a file at runtime for fast development.
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siv.load_theme_file("assets/style.toml").unwrap();
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@ -17,6 +20,19 @@ fn main() {
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.title("Themed dialog")
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.button("Quit", |s| s.quit()),
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);
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}
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#[cfg(not(feature = "toml"))]
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{
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siv.add_layer(
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Dialog::around(TextView::new(
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"Run this example again with the `toml` feature!\n\n\
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cargo run --example theme --features toml",
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))
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.title("Themed dialog - missing `toml` feature")
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.button("Quit", |s| s.quit()),
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);
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}
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siv.run();
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}
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@ -1,5 +1,6 @@
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use std::any::Any;
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use std::num::NonZeroU32;
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#[cfg(feature = "toml")]
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use std::path::Path;
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use std::time::Duration;
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@ -405,9 +406,12 @@ impl Cursive {
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.clear(self.theme.palette[theme::PaletteColor::Background]);
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}
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#[cfg(feature = "toml")]
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/// Loads a theme from the given file.
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///
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/// `filename` must point to a valid toml file.
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///
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/// Must have the `toml` feature enabled.
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pub fn load_theme_file<P: AsRef<Path>>(
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&mut self,
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filename: P,
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@ -415,9 +419,12 @@ impl Cursive {
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theme::load_theme_file(filename).map(|theme| self.set_theme(theme))
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}
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#[cfg(feature = "toml")]
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/// Loads a theme from the given string content.
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///
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/// Content must be valid toml.
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///
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/// Must have the `toml` feature enabled.
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pub fn load_toml(&mut self, content: &str) -> Result<(), theme::Error> {
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theme::load_toml(content).map(|theme| self.set_theme(theme))
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}
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@ -171,11 +171,13 @@ pub use self::color_style::{ColorStyle, ColorType};
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pub use self::effect::Effect;
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pub use self::palette::{Palette, PaletteColor};
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pub use self::style::Style;
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#[cfg(feature = "toml")]
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use std::fs::File;
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use std::io;
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#[cfg(feature = "toml")]
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use std::io::Read;
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#[cfg(feature = "toml")]
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use std::path::Path;
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use toml;
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/// Represents the style a Cursive application will use.
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#[derive(Clone, Debug)]
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@ -199,6 +201,7 @@ impl Default for Theme {
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}
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impl Theme {
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#[cfg(feature = "toml")]
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fn load_toml(&mut self, table: &toml::value::Table) {
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if let Some(&toml::Value::Boolean(shadow)) = table.get("shadow") {
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self.shadow = shadow;
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@ -219,23 +222,30 @@ impl Theme {
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pub enum Error {
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/// An error occured when reading the file.
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Io(io::Error),
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#[cfg(feature = "toml")]
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/// An error occured when parsing the toml content.
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Parse(toml::de::Error),
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}
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#[cfg(feature = "toml")]
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impl From<io::Error> for Error {
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fn from(err: io::Error) -> Self {
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Error::Io(err)
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}
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}
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#[cfg(feature = "toml")]
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impl From<toml::de::Error> for Error {
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fn from(err: toml::de::Error) -> Self {
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Error::Parse(err)
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}
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}
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#[cfg(feature = "toml")]
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/// Loads a theme from file and sets it as active.
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///
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/// Must have the `toml` feature enabled.
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pub fn load_theme_file<P: AsRef<Path>>(filename: P) -> Result<Theme, Error> {
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let content = {
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let mut content = String::new();
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@ -248,6 +258,9 @@ pub fn load_theme_file<P: AsRef<Path>>(filename: P) -> Result<Theme, Error> {
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}
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/// Loads a theme string and sets it as active.
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///
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/// Must have the `toml` feature enabled.
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#[cfg(feature = "toml")]
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pub fn load_toml(content: &str) -> Result<Theme, Error> {
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let table = toml::de::from_str(content)?;
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@ -1,7 +1,7 @@
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use super::Color;
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use enum_map::{enum_map, Enum, EnumMap};
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#[cfg(feature = "toml")]
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use log::warn;
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use toml;
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use std::ops::{Index, IndexMut};
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@ -173,6 +173,7 @@ impl Default for Palette {
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}
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// Iterate over a toml
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#[cfg(feature = "toml")]
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fn iterate_toml<'a>(
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table: &'a toml::value::Table,
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) -> impl Iterator<Item = (&'a str, PaletteNode)> + 'a {
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@ -216,6 +217,7 @@ fn iterate_toml<'a>(
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}
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/// Fills `palette` with the colors from the given `table`.
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#[cfg(feature = "toml")]
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pub(crate) fn load_toml(palette: &mut Palette, table: &toml::value::Table) {
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// TODO: use serde for that?
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// Problem: toml-rs doesn't do well with Enums...
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