1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
// Take a look at the license at the top of the repository in the LICENSE file.

use crate::translate::*;
use crate::types::{StaticType, Type};
use std::borrow::Borrow;
use std::cmp::Ordering;
use std::ffi::{CStr, CString, OsStr};
use std::fmt;
use std::hash;
use std::mem;
use std::ops::Deref;
use std::os::raw::{c_char, c_void};
use std::ptr;
use std::slice;
use std::string::String;

// rustdoc-stripper-ignore-next
/// Representaion of a borrowed [`GString`].
///
/// This type is very similar to [`std::ffi::CStr`], but with one added constraint: the string
/// must also be valid UTF-8.
#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(transparent)]
pub struct GStr(str);

impl GStr {
    // rustdoc-stripper-ignore-next
    /// Creates a GLib string wrapper from a string slice. The string slice must be terminated with
    /// a nul byte.
    ///
    /// This function will cast the provided bytes to a `GStr` wrapper after ensuring
    /// that the string slice is nul-terminated and does not contain any interior nul bytes.
    pub fn from_str_with_nul(s: &str) -> Result<&Self, std::ffi::FromBytesWithNulError> {
        let bytes = s.as_bytes();
        CStr::from_bytes_with_nul(bytes)?;
        Ok(unsafe { Self::from_bytes_with_nul_unchecked(bytes) })
    }
    // rustdoc-stripper-ignore-next
    /// Unsafely creates a GLib string wrapper from a byte slice.
    ///
    /// This function will cast the provided `bytes` to a `GStr` wrapper without performing any
    /// sanity checks. The provided slice **must** be valid UTF-8, nul-terminated and not contain
    /// any interior nul bytes.
    #[inline]
    pub const unsafe fn from_bytes_with_nul_unchecked(bytes: &[u8]) -> &Self {
        mem::transmute(bytes)
    }
    // rustdoc-stripper-ignore-next
    /// Wraps a raw C string with a safe GLib string wrapper. The provided C string **must** be
    /// valid UTF-8 and nul-terminated. All constraints from [`std::ffi::CStr::from_ptr`] also
    /// apply here.
    #[inline]
    pub unsafe fn from_ptr<'a>(ptr: *const c_char) -> &'a Self {
        let cstr = CStr::from_ptr(ptr);
        Self::from_bytes_with_nul_unchecked(cstr.to_bytes_with_nul())
    }
    // rustdoc-stripper-ignore-next
    /// Converts this GLib string to a byte slice containing the trailing 0 byte.
    ///
    /// This function is the equivalent of [`GStr::to_bytes`] except that it will retain the
    /// trailing nul terminator instead of chopping it off.
    #[inline]
    pub fn to_bytes_with_nul(&self) -> &[u8] {
        self.0.as_bytes()
    }
    // rustdoc-stripper-ignore-next
    /// Converts this GLib string to a byte slice.
    ///
    /// The returned slice will **not** contain the trailing nul terminator that this GLib
    /// string has.
    #[inline]
    pub fn to_bytes(&self) -> &[u8] {
        self.as_str().as_bytes()
    }
    // rustdoc-stripper-ignore-next
    /// Returns the inner pointer to this GLib string.
    ///
    /// The returned pointer will be valid for as long as `self` is, and points to a contiguous
    /// region of memory terminated with a 0 byte to represent the end of the string.
    ///
    /// **WARNING**
    ///
    /// The returned pointer is read-only; writing to it (including passing it to C code that
    /// writes to it) causes undefined behavior. It is your responsibility to make
    /// sure that the underlying memory is not freed too early.
    #[inline]
    pub fn as_ptr(&self) -> *const c_char {
        self.0.as_ptr() as *const _
    }
    // rustdoc-stripper-ignore-next
    /// Converts this GLib string to a string slice.
    #[inline]
    pub fn as_str(&self) -> &str {
        // Clip off the nul byte
        &self.0[0..self.0.len() - 1]
    }
    // rustdoc-stripper-ignore-next
    /// Converts this GLib string to a C string slice.
    #[inline]
    pub fn as_c_str(&self) -> &CStr {
        unsafe { CStr::from_bytes_with_nul_unchecked(self.to_bytes_with_nul()) }
    }
}

// rustdoc-stripper-ignore-next
/// Converts a static string literal into a static nul-terminated string.
///
/// The expanded expression has type [`&'static GStr`]. This macro will panic if the
/// string literal contains any interior nul bytes.
///
/// # Examples
///
/// ```
/// # fn main() {
/// use glib::{gstr, GStr, GString};
///
/// const MY_STRING: &GStr = gstr!("Hello");
/// assert_eq!(MY_STRING.to_bytes_with_nul()[5], 0u8);
/// let owned: GString = MY_STRING.to_owned();
/// assert_eq!(MY_STRING, owned);
/// # }
/// ```
///
/// [`&'static GStr`]: crate::GStr
#[macro_export]
macro_rules! gstr {
    ($s:literal) => {
        unsafe { $crate::GStr::from_bytes_with_nul_unchecked($crate::cstr_bytes!($s)) }
    };
}

impl Default for &GStr {
    fn default() -> Self {
        const SLICE: &[c_char] = &[0];
        unsafe { GStr::from_ptr(SLICE.as_ptr()) }
    }
}

impl<'a> TryFrom<&'a CStr> for &'a GStr {
    type Error = std::str::Utf8Error;
    #[inline]
    fn try_from(s: &'a CStr) -> Result<Self, Self::Error> {
        s.to_str()?;
        Ok(unsafe { GStr::from_bytes_with_nul_unchecked(s.to_bytes_with_nul()) })
    }
}

impl PartialEq<GStr> for String {
    fn eq(&self, other: &GStr) -> bool {
        self.as_str() == other.as_str()
    }
}

impl PartialEq<str> for GStr {
    fn eq(&self, other: &str) -> bool {
        self.as_str() == other
    }
}

impl<'a> PartialEq<&'a str> for GStr {
    fn eq(&self, other: &&'a str) -> bool {
        self.as_str() == *other
    }
}

impl<'a> PartialEq<GStr> for &'a str {
    fn eq(&self, other: &GStr) -> bool {
        *self == other.as_str()
    }
}

impl PartialEq<String> for GStr {
    fn eq(&self, other: &String) -> bool {
        self.as_str() == other.as_str()
    }
}

impl PartialEq<GStr> for str {
    fn eq(&self, other: &GStr) -> bool {
        self == other.as_str()
    }
}

impl PartialOrd<GStr> for String {
    fn partial_cmp(&self, other: &GStr) -> Option<Ordering> {
        Some(self.cmp(&String::from(other.as_str())))
    }
}

impl PartialOrd<String> for GStr {
    fn partial_cmp(&self, other: &String) -> Option<Ordering> {
        Some(self.as_str().cmp(other.as_str()))
    }
}

impl PartialOrd<GStr> for str {
    fn partial_cmp(&self, other: &GStr) -> Option<Ordering> {
        Some(self.cmp(other.as_str()))
    }
}

impl PartialOrd<str> for GStr {
    fn partial_cmp(&self, other: &str) -> Option<Ordering> {
        Some(self.as_str().cmp(other))
    }
}

impl AsRef<GStr> for GStr {
    fn as_ref(&self) -> &GStr {
        self
    }
}

impl AsRef<str> for GStr {
    fn as_ref(&self) -> &str {
        self.as_str()
    }
}

impl AsRef<CStr> for GStr {
    fn as_ref(&self) -> &CStr {
        self.as_c_str()
    }
}

impl AsRef<OsStr> for GStr {
    fn as_ref(&self) -> &OsStr {
        OsStr::new(self.as_str())
    }
}

impl AsRef<[u8]> for GStr {
    fn as_ref(&self) -> &[u8] {
        self.to_bytes()
    }
}

impl Deref for GStr {
    type Target = str;

    fn deref(&self) -> &str {
        self.as_str()
    }
}

impl ToOwned for GStr {
    type Owned = GString;

    #[inline]
    fn to_owned(&self) -> Self::Owned {
        GString(Inner::Native(Some(self.as_c_str().to_owned())))
    }
}

impl GlibPtrDefault for GStr {
    type GlibType = *mut c_char;
}

impl StaticType for GStr {
    fn static_type() -> Type {
        str::static_type()
    }
}

unsafe impl<'a> crate::value::FromValue<'a> for &'a GStr {
    type Checker = crate::value::GenericValueTypeOrNoneChecker<Self>;

    unsafe fn from_value(value: &'a crate::Value) -> Self {
        let ptr = gobject_ffi::g_value_get_string(value.to_glib_none().0);
        let cstr = CStr::from_ptr(ptr);
        assert!(cstr.to_str().is_ok());
        GStr::from_bytes_with_nul_unchecked(cstr.to_bytes_with_nul())
    }
}

impl crate::value::ToValue for GStr {
    #[inline]
    fn to_value(&self) -> crate::Value {
        self.as_str().to_value()
    }

    #[inline]
    fn value_type(&self) -> Type {
        str::static_type()
    }
}

impl crate::value::ToValue for &GStr {
    #[inline]
    fn to_value(&self) -> crate::Value {
        (*self).to_value()
    }

    #[inline]
    fn value_type(&self) -> Type {
        str::static_type()
    }
}

impl crate::value::ToValueOptional for GStr {
    #[inline]
    fn to_value_optional(s: Option<&Self>) -> crate::Value {
        crate::value::ToValueOptional::to_value_optional(s.map(|s| s.as_str()))
    }
}

#[doc(hidden)]
impl<'a> ToGlibPtr<'a, *const c_char> for GStr {
    type Storage = GString;

    #[inline]
    fn to_glib_none(&'a self) -> Stash<'a, *const c_char, Self> {
        let tmp = self.to_owned();
        Stash(self.as_ptr(), tmp)
    }

    #[inline]
    fn to_glib_full(&self) -> *const c_char {
        self.as_str().to_glib_full()
    }
}

#[doc(hidden)]
impl<'a> ToGlibPtr<'a, *mut c_char> for GStr {
    type Storage = GString;

    #[inline]
    fn to_glib_none(&'a self) -> Stash<'a, *mut c_char, Self> {
        let tmp = self.to_owned();
        Stash(tmp.as_ptr() as *mut c_char, tmp)
    }

    #[inline]
    fn to_glib_full(&self) -> *mut c_char {
        self.as_str().to_glib_full()
    }
}

// rustdoc-stripper-ignore-next
/// A type representing an owned, C-compatible, nul-terminated UTF-8 string.
///
/// `GString` is to <code>&[GStr]</code> as [`String`] is to <code>&[str]</code>: the former in
/// each pair are owned strings; the latter are borrowed references.
///
/// This type is very similar to [`std::ffi::CString`], but with one added constraint: the string
/// must also be valid UTF-8.
pub struct GString(Inner);
enum Inner {
    Native(Option<CString>),
    Foreign {
        ptr: ptr::NonNull<c_char>,
        len: usize,
    },
}

unsafe impl Send for GString {}
unsafe impl Sync for GString {}

impl GString {
    // rustdoc-stripper-ignore-next
    /// Return the `GString` as string slice.
    pub fn as_str(&self) -> &str {
        unsafe {
            let (ptr, len) = match self.0 {
                Inner::Native(ref cstr) => {
                    let cstr = cstr.as_ref().unwrap();
                    (cstr.as_ptr() as *const u8, cstr.to_bytes().len())
                }
                Inner::Foreign { ptr, len } => (ptr.as_ptr() as *const u8, len),
            };
            if len == 0 {
                ""
            } else {
                let slice = slice::from_raw_parts(ptr, len);
                std::str::from_utf8_unchecked(slice)
            }
        }
    }

    // rustdoc-stripper-ignore-next
    /// Extracts the [`GStr`] containing the entire string.
    pub fn as_gstr(&self) -> &GStr {
        let bytes = match self.0 {
            Inner::Native(ref cstr) => cstr.as_ref().unwrap().to_bytes_with_nul(),
            Inner::Foreign { len, .. } if len == 0 => &[0],
            Inner::Foreign { ptr, len } => unsafe {
                slice::from_raw_parts(ptr.as_ptr() as *const _, len + 1)
            },
        };
        unsafe { GStr::from_bytes_with_nul_unchecked(bytes) }
    }

    // rustdoc-stripper-ignore-next
    /// Return the underlying pointer of the `GString`.
    pub fn as_ptr(&self) -> *const c_char {
        match self.0 {
            Inner::Native(ref cstr) => cstr.as_ref().unwrap().as_ptr() as *const _,
            Inner::Foreign { ptr, .. } => ptr.as_ptr(),
        }
    }

    // rustdoc-stripper-ignore-next
    /// Transform into a `NUL`-terminated raw C string pointer.
    pub fn into_raw(self) -> *mut c_char {
        match self.0 {
            Inner::Native(ref cstr) => unsafe {
                let cstr = cstr.as_ref().unwrap();

                let ptr = cstr.as_ptr();
                let len = cstr.to_bytes().len();

                let copy = ffi::g_malloc(len + 1) as *mut c_char;
                ptr::copy_nonoverlapping(ptr as *const c_char, copy, len + 1);
                ptr::write(copy.add(len), 0);

                copy
            },
            Inner::Foreign { ptr, .. } => {
                let _s = mem::ManuallyDrop::new(self);
                ptr.as_ptr()
            }
        }
    }
}

impl Clone for GString {
    fn clone(&self) -> GString {
        self.as_str().into()
    }
}

impl fmt::Debug for GString {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        <&str as fmt::Debug>::fmt(&self.as_str(), f)
    }
}

impl Drop for GString {
    fn drop(&mut self) {
        if let Inner::Foreign { ptr, .. } = self.0 {
            unsafe {
                ffi::g_free(ptr.as_ptr() as *mut _);
            }
        }
    }
}

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

impl hash::Hash for GString {
    fn hash<H: hash::Hasher>(&self, state: &mut H) {
        self.as_str().hash(state)
    }
}

impl Borrow<GStr> for GString {
    fn borrow(&self) -> &GStr {
        self.as_gstr()
    }
}

impl Borrow<str> for GString {
    fn borrow(&self) -> &str {
        self.as_str()
    }
}

impl Ord for GString {
    fn cmp(&self, other: &GString) -> Ordering {
        self.as_str().cmp(other.as_str())
    }
}

impl PartialOrd for GString {
    fn partial_cmp(&self, other: &GString) -> Option<Ordering> {
        Some(self.cmp(other))
    }
}

impl PartialEq for GString {
    fn eq(&self, other: &GString) -> bool {
        self.as_str() == other.as_str()
    }
}

impl PartialEq<GString> for String {
    fn eq(&self, other: &GString) -> bool {
        self.as_str() == other.as_str()
    }
}

impl PartialEq<GStr> for GString {
    fn eq(&self, other: &GStr) -> bool {
        self.as_str() == other.as_str()
    }
}

impl PartialEq<&GStr> for GString {
    fn eq(&self, other: &&GStr) -> bool {
        self.as_str() == other.as_str()
    }
}

impl PartialEq<str> for GString {
    fn eq(&self, other: &str) -> bool {
        self.as_str() == other
    }
}

impl PartialEq<&str> for GString {
    fn eq(&self, other: &&str) -> bool {
        self.as_str() == *other
    }
}

impl PartialEq<GString> for &GStr {
    fn eq(&self, other: &GString) -> bool {
        self.as_str() == other.as_str()
    }
}

impl PartialEq<GString> for &str {
    fn eq(&self, other: &GString) -> bool {
        *self == other.as_str()
    }
}

impl PartialEq<String> for GString {
    fn eq(&self, other: &String) -> bool {
        self.as_str() == other.as_str()
    }
}

impl PartialEq<GString> for str {
    fn eq(&self, other: &GString) -> bool {
        self == other.as_str()
    }
}

impl PartialEq<GString> for GStr {
    fn eq(&self, other: &GString) -> bool {
        self.as_str() == other.as_str()
    }
}

impl PartialOrd<GString> for String {
    fn partial_cmp(&self, other: &GString) -> Option<Ordering> {
        Some(self.cmp(&String::from(other.as_str())))
    }
}

impl PartialOrd<String> for GString {
    fn partial_cmp(&self, other: &String) -> Option<Ordering> {
        Some(self.as_str().cmp(other.as_str()))
    }
}

impl PartialOrd<GString> for GStr {
    fn partial_cmp(&self, other: &GString) -> Option<Ordering> {
        Some(self.as_str().cmp(other))
    }
}

impl PartialOrd<GStr> for GString {
    fn partial_cmp(&self, other: &GStr) -> Option<Ordering> {
        Some(self.as_str().cmp(other.as_str()))
    }
}

impl PartialOrd<GString> for str {
    fn partial_cmp(&self, other: &GString) -> Option<Ordering> {
        Some(self.cmp(other))
    }
}

impl PartialOrd<str> for GString {
    fn partial_cmp(&self, other: &str) -> Option<Ordering> {
        Some(self.as_str().cmp(other))
    }
}

impl Eq for GString {}

impl AsRef<GStr> for GString {
    fn as_ref(&self) -> &GStr {
        self.as_gstr()
    }
}

impl AsRef<str> for GString {
    fn as_ref(&self) -> &str {
        self.as_str()
    }
}

impl AsRef<CStr> for GString {
    fn as_ref(&self) -> &CStr {
        self.as_gstr().as_c_str()
    }
}

impl AsRef<OsStr> for GString {
    fn as_ref(&self) -> &OsStr {
        OsStr::new(self.as_str())
    }
}

impl AsRef<[u8]> for GString {
    fn as_ref(&self) -> &[u8] {
        self.as_str().as_bytes()
    }
}

impl Deref for GString {
    type Target = str;

    fn deref(&self) -> &str {
        self.as_str()
    }
}

impl From<GString> for String {
    #[inline]
    fn from(mut s: GString) -> Self {
        match s.0 {
            Inner::Foreign { len, .. } if len == 0 => String::new(),
            Inner::Foreign { ptr, len } => unsafe {
                // Creates a copy
                let slice = slice::from_raw_parts(ptr.as_ptr() as *const u8, len);
                std::str::from_utf8_unchecked(slice).into()
            },
            Inner::Native(ref mut cstr) => {
                // Moves the underlying string
                cstr.take().unwrap().into_string().unwrap()
            }
        }
    }
}

impl From<GString> for Box<str> {
    #[inline]
    fn from(s: GString) -> Self {
        // Potentially creates a copy
        let st: String = s.into();
        st.into_boxed_str()
    }
}

impl From<String> for GString {
    #[inline]
    fn from(s: String) -> Self {
        // Moves the content of the String
        unsafe {
            // No check for valid UTF-8 here
            let cstr = CString::from_vec_unchecked(s.into_bytes());
            GString(Inner::Native(Some(cstr)))
        }
    }
}

impl From<Box<str>> for GString {
    #[inline]
    fn from(s: Box<str>) -> Self {
        // Moves the content of the String
        s.into_string().into()
    }
}

impl From<&GStr> for GString {
    #[inline]
    fn from(s: &GStr) -> GString {
        s.to_owned()
    }
}

impl From<&str> for GString {
    #[inline]
    fn from(s: &str) -> Self {
        // Allocates with the GLib allocator
        unsafe {
            // No check for valid UTF-8 here
            let copy = ffi::g_malloc(s.len() + 1) as *mut c_char;
            ptr::copy_nonoverlapping(s.as_ptr() as *const c_char, copy, s.len() + 1);
            ptr::write(copy.add(s.len()), 0);

            GString(Inner::Foreign {
                ptr: ptr::NonNull::new_unchecked(copy),
                len: s.len(),
            })
        }
    }
}

impl From<Vec<u8>> for GString {
    #[inline]
    fn from(s: Vec<u8>) -> Self {
        // Moves the content of the Vec
        // Also check if it's valid UTF-8
        let cstring = CString::new(s).expect("CString::new failed");
        cstring.into()
    }
}

impl From<CString> for GString {
    #[inline]
    fn from(s: CString) -> Self {
        // Moves the content of the CString
        // Also check if it's valid UTF-8
        assert!(s.to_str().is_ok());
        Self(Inner::Native(Some(s)))
    }
}

impl From<&CStr> for GString {
    #[inline]
    fn from(c: &CStr) -> Self {
        // Creates a copy with the GLib allocator
        // Also check if it's valid UTF-8
        c.to_str().unwrap().into()
    }
}

#[doc(hidden)]
impl FromGlibPtrFull<*mut u8> for GString {
    #[inline]
    unsafe fn from_glib_full(ptr: *mut u8) -> Self {
        assert!(!ptr.is_null());

        // Check for valid UTF-8 here
        let cstr = CStr::from_ptr(ptr as *const _);
        assert!(cstr.to_str().is_ok());
        GString(Inner::Foreign {
            ptr: ptr::NonNull::new_unchecked(ptr as *mut _),
            len: cstr.to_bytes().len(),
        })
    }
}

#[doc(hidden)]
impl FromGlibPtrFull<*mut i8> for GString {
    #[inline]
    unsafe fn from_glib_full(ptr: *mut i8) -> Self {
        from_glib_full(ptr as *mut u8)
    }
}

#[doc(hidden)]
impl FromGlibPtrFull<*const u8> for GString {
    #[inline]
    unsafe fn from_glib_full(ptr: *const u8) -> Self {
        from_glib_full(ptr as *mut u8)
    }
}

#[doc(hidden)]
impl FromGlibPtrFull<*const i8> for GString {
    #[inline]
    unsafe fn from_glib_full(ptr: *const i8) -> Self {
        from_glib_full(ptr as *mut u8)
    }
}

#[doc(hidden)]
impl FromGlibPtrNone<*const u8> for GString {
    #[inline]
    unsafe fn from_glib_none(ptr: *const u8) -> Self {
        assert!(!ptr.is_null());
        let cstr = CStr::from_ptr(ptr as *const _);
        // Also check if it's valid UTF-8
        cstr.to_str().unwrap().into()
    }
}

#[doc(hidden)]
impl FromGlibPtrNone<*const i8> for GString {
    #[inline]
    unsafe fn from_glib_none(ptr: *const i8) -> Self {
        from_glib_none(ptr as *const u8)
    }
}

#[doc(hidden)]
impl FromGlibPtrNone<*mut u8> for GString {
    #[inline]
    unsafe fn from_glib_none(ptr: *mut u8) -> Self {
        from_glib_none(ptr as *const u8)
    }
}

#[doc(hidden)]
impl FromGlibPtrNone<*mut i8> for GString {
    #[inline]
    unsafe fn from_glib_none(ptr: *mut i8) -> Self {
        from_glib_none(ptr as *const u8)
    }
}

#[doc(hidden)]
impl FromGlibPtrBorrow<*const u8> for GString {
    #[inline]
    unsafe fn from_glib_borrow(ptr: *const u8) -> Borrowed<Self> {
        assert!(!ptr.is_null());

        // Check for valid UTF-8 here
        let cstr = CStr::from_ptr(ptr as *const _);
        assert!(cstr.to_str().is_ok());
        Borrowed::new(GString(Inner::Foreign {
            ptr: ptr::NonNull::new_unchecked(ptr as *mut _),
            len: cstr.to_bytes().len(),
        }))
    }
}

#[doc(hidden)]
impl FromGlibPtrBorrow<*const i8> for GString {
    #[inline]
    unsafe fn from_glib_borrow(ptr: *const i8) -> Borrowed<Self> {
        from_glib_borrow(ptr as *const u8)
    }
}

#[doc(hidden)]
impl FromGlibPtrBorrow<*mut u8> for GString {
    #[inline]
    unsafe fn from_glib_borrow(ptr: *mut u8) -> Borrowed<Self> {
        from_glib_borrow(ptr as *const u8)
    }
}

#[doc(hidden)]
impl FromGlibPtrBorrow<*mut i8> for GString {
    #[inline]
    unsafe fn from_glib_borrow(ptr: *mut i8) -> Borrowed<Self> {
        from_glib_borrow(ptr as *const u8)
    }
}

#[doc(hidden)]
impl<'a> ToGlibPtr<'a, *const u8> for GString {
    type Storage = &'a Self;

    #[inline]
    fn to_glib_none(&'a self) -> Stash<'a, *const u8, Self> {
        Stash(self.as_ptr() as *const u8, self)
    }

    #[inline]
    fn to_glib_full(&self) -> *const u8 {
        self.clone().into_raw() as *const u8
    }
}

#[doc(hidden)]
impl<'a> ToGlibPtr<'a, *const i8> for GString {
    type Storage = &'a Self;

    #[inline]
    fn to_glib_none(&'a self) -> Stash<'a, *const i8, Self> {
        Stash(self.as_ptr() as *const i8, self)
    }

    #[inline]
    fn to_glib_full(&self) -> *const i8 {
        self.clone().into_raw() as *const i8
    }
}

#[doc(hidden)]
impl<'a> ToGlibPtr<'a, *mut u8> for GString {
    type Storage = &'a Self;

    #[inline]
    fn to_glib_none(&'a self) -> Stash<'a, *mut u8, Self> {
        Stash(self.as_ptr() as *mut u8, self)
    }

    #[inline]
    fn to_glib_full(&self) -> *mut u8 {
        self.clone().into_raw() as *mut u8
    }
}

#[doc(hidden)]
impl<'a> ToGlibPtr<'a, *mut i8> for GString {
    type Storage = &'a Self;

    #[inline]
    fn to_glib_none(&'a self) -> Stash<'a, *mut i8, Self> {
        Stash(self.as_ptr() as *mut i8, self)
    }

    #[inline]
    fn to_glib_full(&self) -> *mut i8 {
        self.clone().into_raw() as *mut i8
    }
}

#[doc(hidden)]
impl<'a> FromGlibContainer<*const c_char, *const i8> for GString {
    unsafe fn from_glib_none_num(ptr: *const i8, num: usize) -> Self {
        if num == 0 || ptr.is_null() {
            return Self::from("");
        }
        let slice = slice::from_raw_parts(ptr as *const u8, num);
        // Also check if it's valid UTF-8
        std::str::from_utf8(slice).unwrap().into()
    }

    unsafe fn from_glib_container_num(ptr: *const i8, num: usize) -> Self {
        if num == 0 || ptr.is_null() {
            return Self::from("");
        }

        // Check if it's valid UTF-8
        let slice = slice::from_raw_parts(ptr as *const u8, num);
        std::str::from_utf8(slice).unwrap();

        GString(Inner::Foreign {
            ptr: ptr::NonNull::new_unchecked(ptr as *mut _),
            len: num,
        })
    }

    unsafe fn from_glib_full_num(ptr: *const i8, num: usize) -> Self {
        if num == 0 || ptr.is_null() {
            return Self::from("");
        }

        // Check if it's valid UTF-8
        let slice = slice::from_raw_parts(ptr as *const u8, num);
        std::str::from_utf8(slice).unwrap();

        GString(Inner::Foreign {
            ptr: ptr::NonNull::new_unchecked(ptr as *mut _),
            len: num,
        })
    }
}

#[doc(hidden)]
impl<'a> FromGlibContainer<*const c_char, *mut i8> for GString {
    unsafe fn from_glib_none_num(ptr: *mut i8, num: usize) -> Self {
        FromGlibContainer::from_glib_none_num(ptr as *const i8, num)
    }

    unsafe fn from_glib_container_num(ptr: *mut i8, num: usize) -> Self {
        FromGlibContainer::from_glib_container_num(ptr as *const i8, num)
    }

    unsafe fn from_glib_full_num(ptr: *mut i8, num: usize) -> Self {
        FromGlibContainer::from_glib_full_num(ptr as *const i8, num)
    }
}

#[doc(hidden)]
impl<'a> FromGlibContainer<*const c_char, *const u8> for GString {
    unsafe fn from_glib_none_num(ptr: *const u8, num: usize) -> Self {
        FromGlibContainer::from_glib_none_num(ptr as *const i8, num)
    }

    unsafe fn from_glib_container_num(ptr: *const u8, num: usize) -> Self {
        FromGlibContainer::from_glib_container_num(ptr as *const i8, num)
    }

    unsafe fn from_glib_full_num(ptr: *const u8, num: usize) -> Self {
        FromGlibContainer::from_glib_full_num(ptr as *const i8, num)
    }
}

#[doc(hidden)]
impl<'a> FromGlibContainer<*const c_char, *mut u8> for GString {
    unsafe fn from_glib_none_num(ptr: *mut u8, num: usize) -> Self {
        FromGlibContainer::from_glib_none_num(ptr as *const i8, num)
    }

    unsafe fn from_glib_container_num(ptr: *mut u8, num: usize) -> Self {
        FromGlibContainer::from_glib_container_num(ptr as *const i8, num)
    }

    unsafe fn from_glib_full_num(ptr: *mut u8, num: usize) -> Self {
        FromGlibContainer::from_glib_full_num(ptr as *const i8, num)
    }
}

impl GlibPtrDefault for GString {
    type GlibType = *const c_char;
}

impl StaticType for GString {
    fn static_type() -> Type {
        String::static_type()
    }
}

impl crate::value::ValueType for GString {
    type Type = String;
}

impl crate::value::ValueTypeOptional for GString {}

unsafe impl<'a> crate::value::FromValue<'a> for GString {
    type Checker = crate::value::GenericValueTypeOrNoneChecker<Self>;

    unsafe fn from_value(value: &'a crate::Value) -> Self {
        Self::from(<&str>::from_value(value))
    }
}

impl crate::value::ToValue for GString {
    fn to_value(&self) -> crate::Value {
        <&str>::to_value(&self.as_str())
    }

    fn value_type(&self) -> Type {
        String::static_type()
    }
}

impl crate::value::ToValueOptional for GString {
    fn to_value_optional(s: Option<&Self>) -> crate::Value {
        <str>::to_value_optional(s.as_ref().map(|s| s.as_str()))
    }
}

impl StaticType for Vec<GString> {
    fn static_type() -> Type {
        <Vec<String>>::static_type()
    }
}

impl crate::value::ValueType for Vec<GString> {
    type Type = Vec<GString>;
}

unsafe impl<'a> crate::value::FromValue<'a> for Vec<GString> {
    type Checker = crate::value::GenericValueTypeChecker<Self>;

    unsafe fn from_value(value: &'a crate::value::Value) -> Self {
        let ptr = gobject_ffi::g_value_get_boxed(value.to_glib_none().0) as *const *const c_char;
        FromGlibPtrContainer::from_glib_none(ptr)
    }
}

impl crate::value::ToValue for Vec<GString> {
    fn to_value(&self) -> crate::value::Value {
        unsafe {
            let mut value = crate::value::Value::for_value_type::<Self>();
            let ptr: *mut *mut c_char = self.to_glib_full();
            gobject_ffi::g_value_take_boxed(value.to_glib_none_mut().0, ptr as *const c_void);
            value
        }
    }

    fn value_type(&self) -> Type {
        <Vec<GString>>::static_type()
    }
}

impl_from_glib_container_as_vec_string!(GString, *const c_char);
impl_from_glib_container_as_vec_string!(GString, *mut c_char);

#[cfg(test)]
#[allow(clippy::blacklisted_name)]
mod tests {
    use super::*;
    use std::ffi::CString;

    #[test]
    fn test_gstring() {
        let data = CString::new("foo").unwrap();
        let ptr = data.as_ptr();

        unsafe {
            let ptr_copy = ffi::g_strdup(ptr);
            let gstring = GString::from_glib_full(ptr_copy);
            assert_eq!(gstring.as_str(), "foo");
            let foo: Box<str> = gstring.into();
            assert_eq!(foo.as_ref(), "foo");
        }
    }

    #[test]
    fn test_owned_glib_string() {
        let data = CString::new("foo").unwrap();
        let ptr = data.as_ptr();
        unsafe {
            let ptr_copy = ffi::g_strdup(ptr);
            let gstr = GString::from_glib_full(ptr_copy);
            assert_eq!(gstr, "foo");
        }
    }

    #[test]
    fn test_gstring_from_str() {
        let gstring: GString = "foo".into();
        assert_eq!(gstring.as_str(), "foo");
        let foo: Box<str> = gstring.into();
        assert_eq!(foo.as_ref(), "foo");
    }

    #[test]
    fn test_string_from_gstring() {
        let gstring = GString::from("foo");
        assert_eq!(gstring.as_str(), "foo");
        let s = String::from(gstring);
        assert_eq!(s, "foo");
    }

    #[test]
    fn test_gstring_from_cstring() {
        let cstr = CString::new("foo").unwrap();
        let gstring = GString::from(cstr);
        assert_eq!(gstring.as_str(), "foo");
        let foo: Box<str> = gstring.into();
        assert_eq!(foo.as_ref(), "foo");
    }

    #[test]
    fn test_string_from_gstring_from_cstring() {
        let cstr = CString::new("foo").unwrap();
        let gstring = GString::from(cstr);
        assert_eq!(gstring.as_str(), "foo");
        let s = String::from(gstring);
        assert_eq!(s, "foo");
    }

    #[test]
    fn test_vec_u8_to_gstring() {
        let v: &[u8] = b"foo";
        let s: GString = Vec::from(v).into();
        assert_eq!(s.as_str(), "foo");
    }

    #[test]
    fn test_from_glib_container() {
        unsafe {
            let test_a: GString = FromGlibContainer::from_glib_container_num(
                ffi::g_strdup("hello_world".as_ptr() as *const _),
                5,
            );
            assert_eq!("hello", test_a.as_str());

            let test_b: GString = FromGlibContainer::from_glib_none_num("hello_world".as_ptr(), 5);
            assert_eq!("hello", test_b.as_str());

            let test_c: GString =
                FromGlibContainer::from_glib_none_num(std::ptr::null::<std::os::raw::c_char>(), 0);
            assert_eq!("", test_c.as_str());

            let test_d: GString = FromGlibContainer::from_glib_none_num("".as_ptr(), 0);
            assert_eq!("", test_d.as_str());

            let test_e: GString =
                FromGlibContainer::from_glib_container_num(ffi::g_strdup(std::ptr::null()), 0);
            assert_eq!("", test_e.as_str());
        }
    }

    #[test]
    fn test_hashmap() {
        use std::collections::HashMap;

        let gstring = GString::from("foo");
        assert_eq!(gstring.as_str(), "foo");
        let mut h: HashMap<GString, i32> = HashMap::new();
        h.insert(gstring, 42);
        let gstring: GString = "foo".into();
        assert!(h.contains_key(&gstring));
    }
}