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basic.rs
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basic.rs
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// Copyright (c) 2021 Ethan Lerner, Caleb Cushing, and the Brix contributors
//
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT
//! Contains the [ToUpperHelper], [ToLowerHelper], and [ToTitleHelper] helpers.
use crate::*;
use convert_case::{Boundary, Case, Casing, Converter, Pattern};
use log::debug;
/// Converts the specified text to all uppercase characters.
#[derive(Clone, Copy)]
pub struct ToUpperHelper;
impl HelperDef for ToUpperHelper {
fn call<'reg: 'rc, 'rc>(
&self,
h: &Helper,
_: &Handlebars,
_: &Context,
_rc: &mut RenderContext,
out: &mut dyn Output,
) -> HelperResult {
let param = h.param(0).ok_or(RenderError::new(
"this function requires an argument to process",
))?;
let rendered = param.value().render();
out.write(&rendered.to_uppercase())?;
Ok(())
}
}
/// Converts the specified text to all lowercase characters.
#[derive(Clone, Copy)]
pub struct ToLowerHelper;
impl HelperDef for ToLowerHelper {
fn call<'reg: 'rc, 'rc>(
&self,
h: &Helper,
_: &Handlebars,
_: &Context,
_rc: &mut RenderContext,
out: &mut dyn Output,
) -> HelperResult {
let param = h.param(0).ok_or(RenderError::new(
"this function requires an argument to process",
))?;
let rendered = param.value().render();
out.write(&rendered.to_lowercase())?;
Ok(())
}
}
/// Converts the specified text to title case.
#[derive(Clone, Copy)]
pub struct ToTitleHelper;
impl HelperDef for ToTitleHelper {
fn call<'reg: 'rc, 'rc>(
&self,
h: &Helper,
_: &Handlebars,
_: &Context,
_rc: &mut RenderContext,
out: &mut dyn Output,
) -> HelperResult {
let param = h.param(0).ok_or(RenderError::new(
"this function requires an argument to process",
))?;
let rendered = param.value().render();
out.write(&titlecase::titlecase(&rendered))?;
Ok(())
}
}
#[derive(Clone, Copy)]
pub struct ToFlatHelper;
impl HelperDef for ToFlatHelper {
fn call<'reg: 'rc, 'rc>(
&self,
h: &Helper,
_: &Handlebars,
_: &Context,
_rc: &mut RenderContext,
out: &mut dyn Output,
) -> HelperResult {
let param = h.param(0).ok_or(RenderError::new(
"this function requires an argument to process",
))?;
let rendered = param.value().render();
out.write(&rendered.to_case(Case::Flat))?;
Ok(())
}
}
#[derive(Clone, Copy)]
pub struct ToJavaPackageHelper;
impl HelperDef for ToJavaPackageHelper {
fn call<'reg: 'rc, 'rc>(
&self,
h: &Helper,
_: &Handlebars,
_: &Context,
_rc: &mut RenderContext,
out: &mut dyn Output,
) -> HelperResult {
let param = h.param(0).ok_or(RenderError::new(
"this function requires an argument to process",
))?;
let rendered = param.value().render();
let conv = Converter::new()
.set_pattern(Pattern::Camel)
.remove_boundaries(&[
Boundary::UpperDigit,
Boundary::LowerDigit,
Boundary::DigitUpper,
Boundary::DigitLower,
])
.set_delim(".");
out.write(&conv.convert(rendered).to_lowercase())?;
Ok(())
}
}
#[derive(Clone, Copy)]
pub struct ToJavaPackagePathHelper;
impl HelperDef for ToJavaPackagePathHelper {
fn call<'reg: 'rc, 'rc>(
&self,
h: &Helper,
_: &Handlebars,
_: &Context,
_rc: &mut RenderContext,
out: &mut dyn Output,
) -> HelperResult {
let param = h.param(0).ok_or(RenderError::new(
"this function requires an argument to process",
))?;
let rendered = param.value().render();
let conv = Converter::new()
.set_pattern(Pattern::Camel)
.remove_boundaries(&[
Boundary::UpperDigit,
Boundary::LowerDigit,
Boundary::DigitUpper,
Boundary::DigitLower,
])
.set_delim("/");
let path = &conv.convert(rendered).to_lowercase().replace(".", "/");
debug!("path: '{}'", path);
out.write(path)?;
Ok(())
}
}