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

use glib::translate::*;
use std::fmt;

glib::wrapper! {
    /// Determines if a string matches a file attribute.
    #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
    pub struct FileAttributeMatcher(Shared<ffi::GFileAttributeMatcher>);

    match fn {
        ref => |ptr| ffi::g_file_attribute_matcher_ref(ptr),
        unref => |ptr| ffi::g_file_attribute_matcher_unref(ptr),
        type_ => || ffi::g_file_attribute_matcher_get_type(),
    }
}

impl FileAttributeMatcher {
    /// Creates a new file attribute matcher, which matches attributes
    /// against a given string. `GFileAttributeMatchers` are reference
    /// counted structures, and are created with a reference count of 1. If
    /// the number of references falls to 0, the [`FileAttributeMatcher`][crate::FileAttributeMatcher] is
    /// automatically destroyed.
    ///
    /// The `attributes` string should be formatted with specific keys separated
    /// from namespaces with a double colon. Several "namespace::key" strings may be
    /// concatenated with a single comma (e.g. "standard::type,standard::is-hidden").
    /// The wildcard "*" may be used to match all keys and namespaces, or
    /// "namespace::*" will match all keys in a given namespace.
    ///
    /// ## Examples of file attribute matcher strings and results
    ///
    /// - `"*"`: matches all attributes.
    /// - `"standard::is-hidden"`: matches only the key is-hidden in the
    ///  standard namespace.
    /// - `"standard::type,unix::*"`: matches the type key in the standard
    ///  namespace and all keys in the unix namespace.
    /// ## `attributes`
    /// an attribute string to match.
    ///
    /// # Returns
    ///
    /// a [`FileAttributeMatcher`][crate::FileAttributeMatcher]
    #[doc(alias = "g_file_attribute_matcher_new")]
    pub fn new(attributes: &str) -> FileAttributeMatcher {
        unsafe {
            from_glib_full(ffi::g_file_attribute_matcher_new(
                attributes.to_glib_none().0,
            ))
        }
    }

    /// Checks if the matcher will match all of the keys in a given namespace.
    /// This will always return [`true`] if a wildcard character is in use (e.g. if
    /// matcher was created with "standard::*" and `ns` is "standard", or if matcher was created
    /// using "*" and namespace is anything.)
    ///
    /// TODO: this is awkwardly worded.
    /// ## `ns`
    /// a string containing a file attribute namespace.
    ///
    /// # Returns
    ///
    /// [`true`] if the matcher matches all of the entries
    /// in the given `ns`, [`false`] otherwise.
    #[doc(alias = "g_file_attribute_matcher_enumerate_namespace")]
    pub fn enumerate_namespace(&self, ns: &str) -> bool {
        unsafe {
            from_glib(ffi::g_file_attribute_matcher_enumerate_namespace(
                self.to_glib_none().0,
                ns.to_glib_none().0,
            ))
        }
    }

    /// Checks if an attribute will be matched by an attribute matcher. If
    /// the matcher was created with the "*" matching string, this function
    /// will always return [`true`].
    /// ## `attribute`
    /// a file attribute key.
    ///
    /// # Returns
    ///
    /// [`true`] if `attribute` matches `self`. [`false`] otherwise.
    #[doc(alias = "g_file_attribute_matcher_matches")]
    pub fn matches(&self, attribute: &str) -> bool {
        unsafe {
            from_glib(ffi::g_file_attribute_matcher_matches(
                self.to_glib_none().0,
                attribute.to_glib_none().0,
            ))
        }
    }

    /// Checks if a attribute matcher only matches a given attribute. Always
    /// returns [`false`] if "*" was used when creating the matcher.
    /// ## `attribute`
    /// a file attribute key.
    ///
    /// # Returns
    ///
    /// [`true`] if the matcher only matches `attribute`. [`false`] otherwise.
    #[doc(alias = "g_file_attribute_matcher_matches_only")]
    pub fn matches_only(&self, attribute: &str) -> bool {
        unsafe {
            from_glib(ffi::g_file_attribute_matcher_matches_only(
                self.to_glib_none().0,
                attribute.to_glib_none().0,
            ))
        }
    }

    /// Subtracts all attributes of `subtract` from `self` and returns
    /// a matcher that supports those attributes.
    ///
    /// Note that currently it is not possible to remove a single
    /// attribute when the `self` matches the whole namespace - or remove
    /// a namespace or attribute when the matcher matches everything. This
    /// is a limitation of the current implementation, but may be fixed
    /// in the future.
    /// ## `subtract`
    /// The matcher to subtract
    ///
    /// # Returns
    ///
    /// A file attribute matcher matching all attributes of
    ///  `self` that are not matched by `subtract`
    #[doc(alias = "g_file_attribute_matcher_subtract")]
    pub fn subtract(
        &self,
        subtract: Option<&FileAttributeMatcher>,
    ) -> Option<FileAttributeMatcher> {
        unsafe {
            from_glib_full(ffi::g_file_attribute_matcher_subtract(
                self.to_glib_none().0,
                subtract.to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "g_file_attribute_matcher_to_string")]
    #[doc(alias = "to_string")]
    pub fn to_str(&self) -> glib::GString {
        unsafe {
            from_glib_full(ffi::g_file_attribute_matcher_to_string(
                self.to_glib_none().0,
            ))
        }
    }
}

impl fmt::Display for FileAttributeMatcher {
    #[inline]
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str(&self.to_str())
    }
}