39 lines
1.3 KiB
Rust
39 lines
1.3 KiB
Rust
use napi::{CallContext, JsObject, JsString, Result};
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#[js_function(1)]
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fn concat_string(ctx: CallContext) -> Result<JsString> {
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let in_string = ctx.get::<JsString>(0)?;
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let out_string = format!("{} + Rust 🦀 string!", in_string.into_utf8()?.as_str()?);
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ctx.env.create_string_from_std(out_string)
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}
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#[js_function(1)]
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fn concat_utf16_string(ctx: CallContext) -> Result<JsString> {
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let in_string = ctx.get::<JsString>(0)?;
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let out_string = format!("{} + Rust 🦀 string!", in_string.into_utf16()?.as_str()?);
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ctx.env.create_string_from_std(out_string)
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}
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#[js_function(1)]
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fn concat_latin1_string(ctx: CallContext) -> Result<JsString> {
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let in_string = ctx.get::<JsString>(0)?;
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let out_string = format!(
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"{} + Rust 🦀 string!",
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in_string.into_latin1()?.into_latin1_string()?
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);
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ctx.env.create_string_from_std(out_string)
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}
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#[js_function]
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fn create_latin1(ctx: CallContext) -> Result<JsString> {
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let bytes = vec![169, 191];
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ctx.env.create_string_latin1(bytes.as_slice())
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}
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pub fn register_js(exports: &mut JsObject) -> Result<()> {
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exports.create_named_method("concatString", concat_string)?;
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exports.create_named_method("concatUTF16String", concat_utf16_string)?;
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exports.create_named_method("concatLatin1String", concat_latin1_string)?;
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exports.create_named_method("createLatin1", create_latin1)?;
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Ok(())
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}
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