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use rust_jsc_sys::{JSObjectMakeRegExp, JSValueRef};
use crate::{JSContext, JSError, JSObject, JSRegExp, JSResult, JSValue};
impl JSRegExp {
pub fn new(object: JSObject) -> Self {
Self { object }
}
/// Creates a new `JSRegExp` object.
///
/// # Arguments
/// - `ctx`: The JavaScript context to create the regexp in.
/// - `args`: The values to initialize the regexp with.
///
/// # Example
/// ```
/// use rust_jsc::{JSContext, JSRegExp, JSValue};
///
/// let ctx = JSContext::new();
/// let regexp = JSRegExp::new_regexp(&ctx, &[JSValue::string(&ctx, "a")]).unwrap();
/// let result = regexp.exec(&ctx, "abc").unwrap();
/// assert_eq!(result.as_string().unwrap(), "a");
/// ```
///
/// # Errors
/// If an exception is thrown while creating the regexp.
/// A `JSError` will be returned.
///
/// # Returns
/// The new `JSRegExp` object.
pub fn new_regexp(ctx: &JSContext, args: &[JSValue]) -> JSResult<Self> {
let mut exception: JSValueRef = std::ptr::null_mut();
let args: Vec<JSValueRef> = args.iter().map(|arg| arg.inner).collect();
let result = unsafe {
JSObjectMakeRegExp(ctx.inner, args.len(), args.as_ptr(), &mut exception)
};
if !exception.is_null() {
let value = JSValue::new(exception, ctx.inner);
return Err(JSError::from(value));
}
Ok(Self::new(JSObject::from_ref(result, ctx.inner)))
}
/// Executes a search for a match in a specified string.
/// Returns the first match, or `null` if no match was found.
/// This is equivalent to `regexp.exec(string)` in JavaScript.
///
/// # Arguments
/// - `ctx`: The JavaScript context to execute the search in.
/// - `string`: The string to search for a match in.
///
/// # Returns
/// The first match, or `null` if no match was found.
///
/// # Errors
/// If an exception is thrown while executing the search.
/// A `JSError` will be returned.
///
/// # Example
/// ```
/// use rust_jsc::{JSContext, JSRegExp, JSValue};
///
/// let ctx = JSContext::new();
/// let regexp = JSRegExp::new_regexp(&ctx, &[JSValue::string(&ctx, "a")]).unwrap();
/// let result = regexp.exec(&ctx, "abc").unwrap();
/// assert_eq!(result.as_string().unwrap(), "a");
/// ```
pub fn exec(&self, ctx: &JSContext, string: &str) -> JSResult<JSValue> {
let string = JSValue::string(ctx, string);
self.object
.get_property("exec")?
.as_object()?
.call(Some(&self.object), &[string])
}
/// Tests for a match in a specified string.
/// Returns `true` if a match was found, otherwise `false`.
/// This is equivalent to `regexp.test(string)` in JavaScript.
///
/// # Arguments
/// - `ctx`: The JavaScript context to execute the test in.
/// - `string`: The string to test for a match in.
///
/// # Example
/// ```
/// use rust_jsc::{JSContext, JSRegExp, JSValue};
///
/// let ctx = JSContext::new();
/// let regexp = JSRegExp::new_regexp(&ctx, &[JSValue::string(&ctx, "a")]).unwrap();
/// let result = regexp.test(&ctx, "abc").unwrap();
/// assert_eq!(result.as_boolean(), true);
/// ```
///
/// # Errors
/// If an exception is thrown while executing the test.
/// A `JSError` will be returned.
///
/// # Returns
/// `true` if a match was found, otherwise `false`.
pub fn test(&self, ctx: &JSContext, string: &str) -> JSResult<JSValue> {
let string = JSValue::string(ctx, string);
self.object
.get_property("test")?
.as_object()?
.call(Some(&self.object), &[string])
}
}
impl From<JSRegExp> for JSObject {
fn from(regexp: JSRegExp) -> Self {
regexp.object
}
}
impl From<JSRegExp> for JSValue {
fn from(regexp: JSRegExp) -> Self {
regexp.object.into()
}
}
#[cfg(test)]
mod tests {
use crate::{JSContext, JSRegExp, JSValue};
#[test]
fn test_regexp() {
let ctx = JSContext::new();
let regexp = JSRegExp::new_regexp(&ctx, &[JSValue::string(&ctx, "a")]).unwrap();
let result = regexp.exec(&ctx, "abc").unwrap();
assert_eq!(result.as_string().unwrap(), "a");
let result = regexp.test(&ctx, "abc").unwrap();
assert_eq!(result.as_boolean(), true);
}
}