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//! ref: composer/vendor/symfony/console/Helper/DescriptorHelper.php
use crate::symfony::console::descriptor::descriptor_interface::{
DescribableObject, DescriptorInterface,
};
use crate::symfony::console::descriptor::json_descriptor::JsonDescriptor;
use crate::symfony::console::descriptor::markdown_descriptor::MarkdownDescriptor;
use crate::symfony::console::descriptor::text_descriptor::TextDescriptor;
use crate::symfony::console::descriptor::xml_descriptor::XmlDescriptor;
use crate::symfony::console::exception::invalid_argument_exception::InvalidArgumentException;
use crate::symfony::console::helper::helper::Helper;
use crate::symfony::console::helper::helper_interface::HelperInterface;
use crate::symfony::console::helper::helper_set::HelperSet;
use crate::symfony::console::output::output_interface::OutputInterface;
use indexmap::IndexMap;
use std::cell::RefCell;
use std::rc::Rc;
/// This class adds helper method to describe objects in various formats.
#[derive(Default)]
pub struct DescriptorHelper {
inner: Helper,
/// @var DescriptorInterface[]
descriptors: IndexMap<String, Box<dyn DescriptorInterface>>,
}
// `DescriptorInterface` does not require `Debug`, so the derive cannot see
// through the trait object; provide a minimal manual impl.
impl std::fmt::Debug for DescriptorHelper {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("DescriptorHelper")
.field("inner", &self.inner)
.field("descriptors", &self.descriptors.keys().collect::<Vec<_>>())
.finish()
}
}
impl DescriptorHelper {
pub fn new() -> Self {
let mut this = Self {
inner: Helper::default(),
descriptors: IndexMap::new(),
};
this.register("txt", Box::new(TextDescriptor::default()))
.register("xml", Box::new(XmlDescriptor::default()))
.register("json", Box::new(JsonDescriptor::default()))
.register("md", Box::new(MarkdownDescriptor::default()));
this
}
/// Describes an object if supported.
///
/// Available options are:
/// * format: string, the output format name
/// * raw_text: boolean, sets output type as raw
///
/// @throws InvalidArgumentException when the given format is not supported
pub fn describe2(
&mut self,
output: std::rc::Rc<std::cell::RefCell<dyn OutputInterface>>,
object: DescribableObject,
options: IndexMap<String, shirabe_php_shim::PhpMixed>,
) -> anyhow::Result<()> {
let mut merged: IndexMap<String, shirabe_php_shim::PhpMixed> = IndexMap::new();
merged.insert(
"raw_text".to_string(),
shirabe_php_shim::PhpMixed::Bool(false),
);
merged.insert(
"format".to_string(),
shirabe_php_shim::PhpMixed::String("txt".to_string()),
);
for (key, value) in options {
merged.insert(key, value);
}
let options = merged;
let format = match &options["format"] {
shirabe_php_shim::PhpMixed::String(format) => format.clone(),
_ => String::new(),
};
if !self.descriptors.contains_key(&format) {
return Err(
InvalidArgumentException(shirabe_php_shim::InvalidArgumentException {
message: format!("Unsupported format \"{}\".", format.clone()),
code: 0,
})
.into(),
);
}
let descriptor = self.descriptors.get_mut(&format).unwrap();
descriptor.describe(output, object, options)
}
/// Registers a descriptor.
///
/// @return $this
pub fn register(
&mut self,
format: &str,
descriptor: Box<dyn DescriptorInterface>,
) -> &mut Self {
self.descriptors.insert(format.to_string(), descriptor);
self
}
pub fn get_formats(&self) -> Vec<String> {
self.descriptors.keys().cloned().collect()
}
}
impl HelperInterface for DescriptorHelper {
fn set_helper_set(&mut self, helper_set: Option<Rc<RefCell<HelperSet>>>) {
self.inner.set_helper_set(helper_set);
}
fn get_helper_set(&self) -> Option<Rc<RefCell<HelperSet>>> {
self.inner.get_helper_set()
}
fn get_name(&self) -> String {
"descriptor".to_string()
}
}
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