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-rw-r--r--toolkit/components/xulstore/src/ffi.rs325
1 files changed, 325 insertions, 0 deletions
diff --git a/toolkit/components/xulstore/src/ffi.rs b/toolkit/components/xulstore/src/ffi.rs
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+++ b/toolkit/components/xulstore/src/ffi.rs
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use crate as XULStore;
+use crate::{iter::XULStoreIterator, statics::update_profile_dir};
+use libc::{c_char, c_void};
+use nserror::{nsresult, NS_ERROR_NOT_IMPLEMENTED, NS_OK};
+use nsstring::{nsAString, nsString};
+use std::cell::RefCell;
+use std::ptr;
+use xpcom::{
+ interfaces::{nsIJSEnumerator, nsIStringEnumerator, nsISupports, nsIXULStore},
+ RefPtr,
+};
+
+#[no_mangle]
+pub unsafe extern "C" fn xulstore_new_service(result: *mut *const nsIXULStore) {
+ let xul_store_service = XULStoreService::new();
+ RefPtr::new(xul_store_service.coerce::<nsIXULStore>()).forget(&mut *result);
+}
+
+#[xpcom(implement(nsIXULStore), atomic)]
+pub struct XULStoreService {}
+
+impl XULStoreService {
+ fn new() -> RefPtr<XULStoreService> {
+ XULStoreService::allocate(InitXULStoreService {})
+ }
+
+ #[allow(non_snake_case)]
+ fn Persist(&self, _node: *const c_void, _attr: *const nsAString) -> nsresult {
+ NS_ERROR_NOT_IMPLEMENTED
+ }
+
+ xpcom_method!(
+ set_value => SetValue(
+ doc: *const nsAString,
+ id: *const nsAString,
+ attr: *const nsAString,
+ value: *const nsAString
+ )
+ );
+
+ fn set_value(
+ &self,
+ doc: &nsAString,
+ id: &nsAString,
+ attr: &nsAString,
+ value: &nsAString,
+ ) -> Result<(), nsresult> {
+ XULStore::set_value(doc, id, attr, value).map_err(|err| err.into())
+ }
+
+ xpcom_method!(
+ has_value => HasValue(
+ doc: *const nsAString,
+ id: *const nsAString,
+ attr: *const nsAString
+ ) -> bool
+ );
+
+ fn has_value(
+ &self,
+ doc: &nsAString,
+ id: &nsAString,
+ attr: &nsAString,
+ ) -> Result<bool, nsresult> {
+ XULStore::has_value(doc, id, attr).map_err(|err| err.into())
+ }
+
+ xpcom_method!(
+ get_value => GetValue(
+ doc: *const nsAString,
+ id: *const nsAString,
+ attr: *const nsAString
+ ) -> nsAString
+ );
+
+ fn get_value(
+ &self,
+ doc: &nsAString,
+ id: &nsAString,
+ attr: &nsAString,
+ ) -> Result<nsString, nsresult> {
+ match XULStore::get_value(doc, id, attr) {
+ Ok(val) => Ok(nsString::from(&val)),
+ Err(err) => Err(err.into()),
+ }
+ }
+
+ xpcom_method!(
+ remove_value => RemoveValue(
+ doc: *const nsAString,
+ id: *const nsAString,
+ attr: *const nsAString
+ )
+ );
+
+ fn remove_value(
+ &self,
+ doc: &nsAString,
+ id: &nsAString,
+ attr: &nsAString,
+ ) -> Result<(), nsresult> {
+ XULStore::remove_value(doc, id, attr).map_err(|err| err.into())
+ }
+
+ xpcom_method!(
+ remove_document => RemoveDocument(doc: *const nsAString)
+ );
+
+ fn remove_document(&self, doc: &nsAString) -> Result<(), nsresult> {
+ XULStore::remove_document(doc).map_err(|err| err.into())
+ }
+
+ xpcom_method!(
+ get_ids_enumerator => GetIDsEnumerator(
+ doc: *const nsAString
+ ) -> * const nsIStringEnumerator
+ );
+
+ fn get_ids_enumerator(&self, doc: &nsAString) -> Result<RefPtr<nsIStringEnumerator>, nsresult> {
+ match XULStore::get_ids(doc) {
+ Ok(val) => {
+ let enumerator = StringEnumerator::new(val);
+ Ok(RefPtr::new(enumerator.coerce::<nsIStringEnumerator>()))
+ }
+ Err(err) => Err(err.into()),
+ }
+ }
+
+ xpcom_method!(
+ get_attribute_enumerator => GetAttributeEnumerator(
+ doc: *const nsAString,
+ id: *const nsAString
+ ) -> * const nsIStringEnumerator
+ );
+
+ fn get_attribute_enumerator(
+ &self,
+ doc: &nsAString,
+ id: &nsAString,
+ ) -> Result<RefPtr<nsIStringEnumerator>, nsresult> {
+ match XULStore::get_attrs(doc, id) {
+ Ok(val) => {
+ let enumerator = StringEnumerator::new(val);
+ Ok(RefPtr::new(enumerator.coerce::<nsIStringEnumerator>()))
+ }
+ Err(err) => Err(err.into()),
+ }
+ }
+}
+
+#[xpcom(implement(nsIStringEnumerator), nonatomic)]
+pub(crate) struct StringEnumerator {
+ iter: RefCell<XULStoreIterator>,
+}
+impl StringEnumerator {
+ pub(crate) fn new(iter: XULStoreIterator) -> RefPtr<StringEnumerator> {
+ StringEnumerator::allocate(InitStringEnumerator {
+ iter: RefCell::new(iter),
+ })
+ }
+
+ xpcom_method!(string_iterator => StringIterator() -> *const nsIJSEnumerator);
+
+ fn string_iterator(&self) -> Result<RefPtr<nsIJSEnumerator>, nsresult> {
+ Err(NS_ERROR_NOT_IMPLEMENTED)
+ }
+
+ xpcom_method!(has_more => HasMore() -> bool);
+
+ fn has_more(&self) -> Result<bool, nsresult> {
+ let iter = self.iter.borrow();
+ Ok(iter.has_more())
+ }
+
+ xpcom_method!(get_next => GetNext() -> nsAString);
+
+ fn get_next(&self) -> Result<nsString, nsresult> {
+ let mut iter = self.iter.borrow_mut();
+ match iter.get_next() {
+ Ok(value) => Ok(nsString::from(&value)),
+ Err(err) => Err(err.into()),
+ }
+ }
+}
+
+#[xpcom(implement(nsIObserver), nonatomic)]
+pub(crate) struct ProfileChangeObserver {}
+impl ProfileChangeObserver {
+ #[allow(non_snake_case)]
+ unsafe fn Observe(
+ &self,
+ _subject: *const nsISupports,
+ _topic: *const c_char,
+ _data: *const u16,
+ ) -> nsresult {
+ update_profile_dir();
+ NS_OK
+ }
+
+ pub(crate) fn new() -> RefPtr<ProfileChangeObserver> {
+ ProfileChangeObserver::allocate(InitProfileChangeObserver {})
+ }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn xulstore_set_value(
+ doc: &nsAString,
+ id: &nsAString,
+ attr: &nsAString,
+ value: &nsAString,
+) -> nsresult {
+ XULStore::set_value(doc, id, attr, value).into()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn xulstore_has_value(
+ doc: &nsAString,
+ id: &nsAString,
+ attr: &nsAString,
+ has_value: *mut bool,
+) -> nsresult {
+ match XULStore::has_value(doc, id, attr) {
+ Ok(val) => {
+ *has_value = val;
+ NS_OK
+ }
+ Err(err) => err.into(),
+ }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn xulstore_get_value(
+ doc: &nsAString,
+ id: &nsAString,
+ attr: &nsAString,
+ value: *mut nsAString,
+) -> nsresult {
+ match XULStore::get_value(doc, id, attr) {
+ Ok(val) => {
+ (*value).assign(&nsString::from(&val));
+ NS_OK
+ }
+ Err(err) => err.into(),
+ }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn xulstore_remove_value(
+ doc: &nsAString,
+ id: &nsAString,
+ attr: &nsAString,
+) -> nsresult {
+ XULStore::remove_value(doc, id, attr).into()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn xulstore_get_ids(
+ doc: &nsAString,
+ result: *mut nsresult,
+) -> *mut XULStoreIterator {
+ match XULStore::get_ids(doc) {
+ Ok(iter) => {
+ *result = NS_OK;
+ Box::into_raw(Box::new(iter))
+ }
+ Err(err) => {
+ *result = err.into();
+ ptr::null_mut()
+ }
+ }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn xulstore_get_attrs(
+ doc: &nsAString,
+ id: &nsAString,
+ result: *mut nsresult,
+) -> *mut XULStoreIterator {
+ match XULStore::get_attrs(doc, id) {
+ Ok(iter) => {
+ *result = NS_OK;
+ Box::into_raw(Box::new(iter))
+ }
+ Err(err) => {
+ *result = err.into();
+ ptr::null_mut()
+ }
+ }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn xulstore_iter_has_more(iter: &XULStoreIterator) -> bool {
+ iter.has_more()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn xulstore_iter_get_next(
+ iter: &mut XULStoreIterator,
+ value: *mut nsAString,
+) -> nsresult {
+ match iter.get_next() {
+ Ok(val) => {
+ (*value).assign(&nsString::from(&val));
+ NS_OK
+ }
+ Err(err) => err.into(),
+ }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn xulstore_iter_free(iter: *mut XULStoreIterator) {
+ drop(Box::from_raw(iter));
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn xulstore_shutdown() -> nsresult {
+ match XULStore::shutdown() {
+ Ok(()) => NS_OK,
+ Err(err) => err.into(),
+ }
+}
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