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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from ../gir-files
// DO NOT EDIT

use glib::object::IsA;
use glib::translate::*;
use std::fmt;
use std::ptr;

glib::wrapper! {
	#[doc(alias = "ArvGcString")]
	pub struct GcString(Interface<ffi::ArvGcString, ffi::ArvGcStringInterface>);

	match fn {
		type_ => || ffi::arv_gc_string_get_type(),
	}
}

unsafe impl Send for GcString {}

pub const NONE_GC_STRING: Option<&GcString> = None;

/// Trait containing all [`struct@GcString`] methods.
///
/// # Implementors
///
/// [`GcEnumeration`][struct@crate::GcEnumeration], [`GcStringNode`][struct@crate::GcStringNode], [`GcStringRegNode`][struct@crate::GcStringRegNode], [`GcString`][struct@crate::GcString]
pub trait GcStringExt: 'static {
	///
	/// # Returns
	///
	/// the maximum length `self` can store, excluding the NULL terminal character.
	#[doc(alias = "arv_gc_string_get_max_length")]
	#[doc(alias = "get_max_length")]
	fn max_length(&self) -> Result<i64, glib::Error>;

	/// `<warning>``<para>`Please note the string content is still owned by the `self` object, which means the returned pointer may not be still valid after a new call to this function.`</para>``</warning>`
	///
	/// # Returns
	///
	/// the string value.
	#[doc(alias = "arv_gc_string_get_value")]
	#[doc(alias = "get_value")]
	fn value(&self) -> Result<glib::GString, glib::Error>;

	/// Set `value` as the new `self` value.
	/// ## `value`
	/// new string value
	#[doc(alias = "arv_gc_string_set_value")]
	fn set_value(&self, value: &str) -> Result<(), glib::Error>;
}

impl<O: IsA<GcString>> GcStringExt for O {
	fn max_length(&self) -> Result<i64, glib::Error> {
		unsafe {
			let mut error = ptr::null_mut();
			let ret = ffi::arv_gc_string_get_max_length(self.as_ref().to_glib_none().0, &mut error);
			if error.is_null() {
				Ok(ret)
			} else {
				Err(from_glib_full(error))
			}
		}
	}

	fn value(&self) -> Result<glib::GString, glib::Error> {
		unsafe {
			let mut error = ptr::null_mut();
			let ret = ffi::arv_gc_string_get_value(self.as_ref().to_glib_none().0, &mut error);
			if error.is_null() {
				Ok(from_glib_none(ret))
			} else {
				Err(from_glib_full(error))
			}
		}
	}

	fn set_value(&self, value: &str) -> Result<(), glib::Error> {
		unsafe {
			let mut error = ptr::null_mut();
			let _ = ffi::arv_gc_string_set_value(
				self.as_ref().to_glib_none().0,
				value.to_glib_none().0,
				&mut error,
			);
			if error.is_null() {
				Ok(())
			} else {
				Err(from_glib_full(error))
			}
		}
	}
}

impl fmt::Display for GcString {
	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
		f.write_str("GcString")
	}
}