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use std::borrow::BorrowMut;
use serde_json;
use crate::{
base_component::BaseComponent,
style::Style,
text_component::TextComponent,
translatable_component::{StringOrComponent, TranslatableComponent},
};
#[derive(Clone, Debug)]
pub enum Component {
TextComponent(TextComponent),
TranslatableComponent(TranslatableComponent),
}
/// A chat component
impl Component {
pub fn new(json: &serde_json::Value) -> Result<Component, String> {
// we create a component that we might add siblings to
let mut component: Component;
// if it's primitive, make it a text component
if !json.is_array() && !json.is_object() {
return Ok(Component::TextComponent(TextComponent::new(
json.as_str().unwrap_or("").to_string(),
)));
}
// if it's an object, do things with { text } and stuff
else if json.is_object() {
if json.get("text").is_some() {
let text = json.get("text").unwrap().as_str().unwrap_or("").to_string();
component = Component::TextComponent(TextComponent::new(text));
} else if json.get("translate").is_some() {
let translate = json.get("translate").unwrap().to_string();
if json.get("with").is_some() {
let with = json.get("with").unwrap().as_array().unwrap();
let mut with_array = Vec::with_capacity(with.len());
for i in 0..with.len() {
// if it's a string component with no styling and no siblings, just add a string to with_array
// otherwise add the component to the array
let c = Component::new(&with[i])?;
if let Component::TextComponent(text_component) = c {
if text_component.base.siblings.len() == 0
&& text_component.base.style.is_empty()
{
with_array.push(StringOrComponent::String(text_component.text));
break;
}
}
with_array.push(StringOrComponent::Component(Component::new(&with[i])?));
}
component = Component::TranslatableComponent(TranslatableComponent::new(
translate, with_array,
));
} else {
// if it doesn't have a "with", just have the with_array be empty
component = Component::TranslatableComponent(TranslatableComponent::new(
translate,
Vec::new(),
));
}
} else if json.get("score").is_some() {
// object = GsonHelper.getAsJsonObject(jsonObject, "score");
let score_json = json.get("score").unwrap();
// if (!object.has("name") || !object.has("objective")) throw new JsonParseException("A score component needs a least a name and an objective");
// ScoreComponent scoreComponent = new ScoreComponent(GsonHelper.getAsString((JsonObject)object, "name"), GsonHelper.getAsString((JsonObject)object, "objective"));
if score_json.get("name").is_none() || score_json.get("objective").is_none() {
return Err(
"A score component needs at least a name and an objective".to_string()
);
}
// TODO
return Err("score text components aren't yet supported".to_string());
// component = ScoreComponent
} else if json.get("selector").is_some() {
// } else if (jsonObject.has("selector")) {
// object = this.parseSeparator(type, jsonDeserializationContext, jsonObject);
// SelectorComponent selectorComponent = new SelectorComponent(GsonHelper.getAsString(jsonObject, "selector"), (Optional<Component>)object);
return Err("selector text components aren't yet supported".to_string());
// } else if (jsonObject.has("keybind")) {
// KeybindComponent keybindComponent = new KeybindComponent(GsonHelper.getAsString(jsonObject, "keybind"));
} else if json.get("keybind").is_some() {
return Err("keybind text components aren't yet supported".to_string());
} else {
// } else {
// if (!jsonObject.has("nbt")) throw new JsonParseException("Don't know how to turn " + jsonElement + " into a Component");
if json.get("nbt").is_none() {
return Err(format!("Don't know how to turn {} into a Component", json));
}
// object = GsonHelper.getAsString(jsonObject, "nbt");
let nbt = json.get("nbt").unwrap().to_string();
// Optional<Component> optional = this.parseSeparator(type, jsonDeserializationContext, jsonObject);
let separator = Component::parse_separator(json)?;
let interpret = match json.get("interpret") {
Some(v) => v.as_bool().ok_or(Some(false)).unwrap(),
None => false,
};
// boolean bl = GsonHelper.getAsBoolean(jsonObject, "interpret", false);
// if (jsonObject.has("block")) {
if json.get("block").is_some() {}
return Err("nbt text components aren't yet supported".to_string());
// NbtComponent.BlockNbtComponent blockNbtComponent = new NbtComponent.BlockNbtComponent((String)object, bl, GsonHelper.getAsString(jsonObject, "block"), optional);
// } else if (jsonObject.has("entity")) {
// NbtComponent.EntityNbtComponent entityNbtComponent = new NbtComponent.EntityNbtComponent((String)object, bl, GsonHelper.getAsString(jsonObject, "entity"), optional);
// } else {
// if (!jsonObject.has("storage")) throw new JsonParseException("Don't know how to turn " + jsonElement + " into a Component");
// NbtComponent.StorageNbtComponent storageNbtComponent = new NbtComponent.StorageNbtComponent((String)object, bl, new ResourceLocation(GsonHelper.getAsString(jsonObject, "storage")), optional);
// }
// }
}
// if (jsonObject.has("extra")) {
// object = GsonHelper.getAsJsonArray(jsonObject, "extra");
// if (object.size() <= 0) throw new JsonParseException("Unexpected empty array of components");
// for (int i = 0; i < object.size(); ++i) {
// var5_17.append(this.deserialize(object.get(i), type, jsonDeserializationContext));
// }
// }
// var5_17.setStyle((Style)jsonDeserializationContext.deserialize(jsonElement, Style.class));
// return var5_17;
// }
if json.get("extra").is_some() {
let extra = match json.get("extra").unwrap().as_array() {
Some(r) => r,
None => return Err("Extra isn't an array".to_string()),
};
if extra.len() == 0 {
return Err("Unexpected empty array of components".to_string());
}
for extra_component in extra {
component.append(Component::new(extra_component)?);
}
}
let style = Style::deserialize(json);
component.get_base_mut().style = style;
return Ok(component);
}
// ok so it's not an object, if it's an array deserialize every item
else if !json.is_array() {
return Err(format!("Don't know how to turn {} into a Component", json));
}
let json_array = json.as_array().unwrap();
// the first item in the array is the one that we're gonna return, the others are siblings
let mut component = Component::new(&json_array[0])?;
for i in 1..json_array.len() {
component.append(Component::new(json_array.get(i).unwrap())?);
}
Ok(component)
}
// TODO: is it possible to use a macro so this doesn't have to be duplicated?
pub fn get_base_mut(&mut self) -> &mut BaseComponent {
match self {
Self::TextComponent(c) => &mut c.base,
Self::TranslatableComponent(c) => &mut c.base,
}
}
pub fn get_base(&self) -> &BaseComponent {
match self {
Self::TextComponent(c) => &c.base,
Self::TranslatableComponent(c) => &c.base,
}
}
/// Add a component as a sibling of this one
fn append(&mut self, sibling: Component) {
self.get_base_mut().siblings.push(sibling);
}
/// Get the "separator" component from the json
fn parse_separator(json: &serde_json::Value) -> Result<Option<Component>, String> {
if json.get("separator").is_some() {
return Ok(Some(Component::new(json.get("separator").unwrap())?));
}
Ok(None)
}
/// Recursively call the function for every component in this component
pub fn visit<F>(&self, f: &mut F) -> ()
where
// The closure takes an `i32` and returns an `i32`.
F: FnMut(&Component) -> (),
{
f(self);
self.get_base()
.siblings
.iter()
.for_each(|s| Component::visit(s, f));
}
/// Convert this component into an ansi string
pub fn to_ansi(&self) -> String {
// this contains the final string will all the ansi escape codes
let mut built_string = String::new();
// this style will update as we visit components
let mut running_style = Style::new();
self.visit(&mut |component| {
let component_text = match component {
Self::TextComponent(c) => &c.text,
Self::TranslatableComponent(c) => &c.key,
};
let component_style = &component.get_base().style;
let ansi_text = running_style.compare_ansi(component_style);
built_string.push_str(&ansi_text);
built_string.push_str(&component_text);
running_style.apply(&component_style);
});
if !running_style.is_empty() {
built_string.push_str("\x1b[m");
}
built_string
}
}
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