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Implement themes::ThemeRegistry::get

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Co-Authored-By: Max Brunsfeld <maxbrunsfeld@gmail.com>
This commit is contained in:
Nathan Sobo 2021-08-03 19:35:15 -06:00
parent ca9862fff1
commit 90b51c3356
2 changed files with 63 additions and 49 deletions
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6
gpui/src/fonts.rs
View File

@ -70,6 +70,12 @@ where
Ok(json.into())
}
pub fn font_properties_from_json(
value: serde_json::Value,
) -> Result<Properties, serde_json::Error> {
Ok(serde_json::from_value::<PropertiesJson>(value)?.into())
}
impl ToJson for Properties {
fn to_json(&self) -> crate::json::Value {
json!({

106
zed/src/theme.rs
View File

@ -2,25 +2,26 @@ use anyhow::{anyhow, Context, Result};
use gpui::{
color::Color,
elements::{ContainerStyle, LabelStyle},
fonts::Properties as FontProperties,
fonts::{font_properties_from_json, Properties as FontProperties},
AssetSource,
};
use json::{Map, Value};
use parking_lot::Mutex;
use serde::Deserialize;
use serde::{de, Deserialize, Deserializer};
use serde_json as json;
use std::{cmp::Ordering, collections::HashMap, sync::Arc};
pub struct ThemeRegistry {
assets: Box<dyn AssetSource>,
themes: Mutex<HashMap<String, Arc<Theme>>>,
theme_data: Mutex<HashMap<String, Arc<Map<String, Value>>>>,
theme_data: Mutex<HashMap<String, Arc<Value>>>,
}
#[derive(Debug, Default)]
#[derive(Debug, Default, Deserialize)]
pub struct Theme {
pub ui: Ui,
pub editor: Editor,
#[serde(deserialize_with = "deserialize_syntax_theme")]
pub syntax: Vec<(String, Color, FontProperties)>,
}
@ -115,50 +116,19 @@ impl ThemeRegistry {
}
pub fn get(&self, name: &str) -> Result<Arc<Theme>> {
todo!()
// if let Some(theme) = self.themes.lock().get(name) {
// return Ok(theme.clone());
// }
if let Some(theme) = self.themes.lock().get(name) {
return Ok(theme.clone());
}
// let theme_toml = self.load(name)?;
// let mut syntax = Vec::<(String, Color, FontProperties)>::new();
// for (key, style) in theme_toml.syntax.iter() {
// let mut color = Color::default();
// let mut properties = FontProperties::new();
// match style {
// Value::Object(object) => {
// if let Some(value) = object.get("color") {
// color = serde_json::from_value(value.clone())?;
// }
// if let Some(Value::Bool(true)) = object.get("italic") {
// properties.style = FontStyle::Italic;
// }
// properties.weight = deserialize_weight(object.get("weight"))?;
// }
// _ => {
// color = serde_json::from_value(style.clone())?;
// }
// }
// match syntax.binary_search_by_key(&key, |e| &e.0) {
// Ok(i) | Err(i) => {
// syntax.insert(i, (key.to_string(), color, properties));
// }
// }
// }
// let theme = Arc::new(Theme {
// ui: theme::Ui::deserialize(MapDeserializer::new(theme_toml.ui.clone().into_iter()))?,
// editor: theme::Editor::deserialize(MapDeserializer::new(
// theme_toml.editor.clone().into_iter(),
// ))?,
// syntax,
// });
// self.themes.lock().insert(name.to_string(), theme.clone());
// Ok(theme)
let theme_data = self.load(name)?;
let theme = Arc::new(serde_json::from_value::<Theme>(
theme_data.as_ref().clone(),
)?);
self.themes.lock().insert(name.to_string(), theme.clone());
Ok(theme)
}
fn load(&self, name: &str) -> Result<Arc<Map<String, Value>>> {
fn load(&self, name: &str) -> Result<Arc<Value>> {
if let Some(data) = self.theme_data.lock().get(name) {
return Ok(data.clone());
}
@ -178,16 +148,19 @@ impl ThemeRegistry {
.and_then(|name| name.as_str())
.map(str::to_string)
{
let mut base_theme_data = self
let base_theme_data = self
.load(&base_name)
.with_context(|| format!("failed to load base theme {}", base_name))?
.as_ref()
.clone();
deep_merge_json(&mut base_theme_data, theme_data);
theme_data = base_theme_data;
if let Value::Object(mut base_theme_object) = base_theme_data {
deep_merge_json(&mut base_theme_object, theme_data);
theme_data = base_theme_object;
}
}
// Evaluate `extends` fields in styles
// First, find the key paths of all objects with `extends` directives
let mut directives = Vec::new();
let mut key_path = Vec::new();
for (key, value) in theme_data.iter() {
@ -197,7 +170,9 @@ impl ThemeRegistry {
key_path.pop();
}
}
// If you extend something with an extend directive, process the source's extend directive first
directives.sort_unstable();
// Now update objects to include the fields of objects they extend
for ExtendDirective {
source_path,
target_path,
@ -220,7 +195,7 @@ impl ThemeRegistry {
theme_data.insert(key, variables);
}
let result = Arc::new(theme_data);
let result = Arc::new(Value::Object(theme_data));
self.theme_data
.lock()
.insert(name.to_string(), result.clone());
@ -376,3 +351,36 @@ fn validate_variable_name(name: &str) -> bool {
}
false
}
pub fn deserialize_syntax_theme<'de, D>(
deserializer: D,
) -> Result<Vec<(String, Color, FontProperties)>, D::Error>
where
D: Deserializer<'de>,
{
let mut result = Vec::<(String, Color, FontProperties)>::new();
let syntax_data: Map<String, Value> = Deserialize::deserialize(deserializer)?;
for (key, style) in syntax_data {
let mut color = Color::default();
let mut properties = FontProperties::new();
match &style {
Value::Object(object) => {
if let Some(value) = object.get("color") {
color = serde_json::from_value(value.clone()).map_err(de::Error::custom)?;
}
properties = font_properties_from_json(style).map_err(de::Error::custom)?;
}
_ => {
color = serde_json::from_value(style.clone()).map_err(de::Error::custom)?;
}
}
match result.binary_search_by(|(needle, _, _)| needle.cmp(&key)) {
Ok(i) | Err(i) => {
result.insert(i, (key, color, properties));
}
}
}
Ok(result)
}