38 lines
1 KiB
Rust
38 lines
1 KiB
Rust
use handlebars::{
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Context, Handlebars, Helper, Output, RenderContext, RenderError, RenderErrorReason,
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};
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use log::trace;
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pub(crate) fn theme_option(
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h: &Helper<'_>,
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_r: &Handlebars<'_>,
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ctx: &Context,
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rc: &mut RenderContext<'_, '_>,
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out: &mut dyn Output,
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) -> Result<(), RenderError> {
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trace!("theme_option (handlebars helper)");
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let param = h.param(0).and_then(|v| v.value().as_str()).ok_or_else(|| {
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RenderErrorReason::ParamTypeMismatchForName(
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"theme_option",
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"0".to_owned(),
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"string".to_owned(),
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)
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})?;
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let default_theme = rc.evaluate(ctx, "@root/default_theme")?;
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let default_theme_name = default_theme.as_json().as_str().ok_or_else(|| {
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RenderErrorReason::ParamTypeMismatchForName(
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"theme_option",
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"default_theme".to_owned(),
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"string".to_owned(),
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)
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})?;
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out.write(param)?;
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if param.to_lowercase() == default_theme_name.to_lowercase() {
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out.write(" (default)")?;
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}
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Ok(())
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}
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