diff options
Diffstat (limited to 'netwerk/base/http-sfv/src/lib.rs')
| -rw-r--r-- | netwerk/base/http-sfv/src/lib.rs | 873 |
1 files changed, 873 insertions, 0 deletions
diff --git a/netwerk/base/http-sfv/src/lib.rs b/netwerk/base/http-sfv/src/lib.rs new file mode 100644 index 0000000000..fe669f5f3f --- /dev/null +++ b/netwerk/base/http-sfv/src/lib.rs @@ -0,0 +1,873 @@ +/* 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 nserror::{nsresult, NS_ERROR_FAILURE, NS_ERROR_NULL_POINTER, NS_ERROR_UNEXPECTED, NS_OK}; +use nsstring::{nsACString, nsCString}; +use sfv::Parser; +use sfv::SerializeValue; +use sfv::{ + BareItem, Decimal, Dictionary, FromPrimitive, InnerList, Item, List, ListEntry, Parameters, + ParseMore, +}; +use std::cell::RefCell; +use std::ops::Deref; +use thin_vec::ThinVec; +use xpcom::interfaces::{ + nsISFVBareItem, nsISFVBool, nsISFVByteSeq, nsISFVDecimal, nsISFVDictionary, nsISFVInnerList, + nsISFVInteger, nsISFVItem, nsISFVItemOrInnerList, nsISFVList, nsISFVParams, nsISFVService, + nsISFVString, nsISFVToken, +}; +use xpcom::{xpcom, xpcom_method, RefPtr, XpCom}; + +#[no_mangle] +pub unsafe extern "C" fn new_sfv_service(result: *mut *const nsISFVService) { + let service: RefPtr<SFVService> = SFVService::new(); + RefPtr::new(service.coerce::<nsISFVService>()).forget(&mut *result); +} + +#[xpcom(implement(nsISFVService), atomic)] +struct SFVService {} + +impl SFVService { + fn new() -> RefPtr<SFVService> { + SFVService::allocate(InitSFVService {}) + } + + xpcom_method!(parse_dictionary => ParseDictionary(header: *const nsACString) -> *const nsISFVDictionary); + fn parse_dictionary(&self, header: &nsACString) -> Result<RefPtr<nsISFVDictionary>, nsresult> { + let parsed_dict = Parser::parse_dictionary(&header).map_err(|_| NS_ERROR_FAILURE)?; + let sfv_dict = SFVDictionary::new(); + sfv_dict.value.replace(parsed_dict); + Ok(RefPtr::new(sfv_dict.coerce::<nsISFVDictionary>())) + } + + xpcom_method!(parse_list => ParseList(field_value: *const nsACString) -> *const nsISFVList); + fn parse_list(&self, header: &nsACString) -> Result<RefPtr<nsISFVList>, nsresult> { + let parsed_list = Parser::parse_list(&header).map_err(|_| NS_ERROR_FAILURE)?; + + let mut nsi_members = Vec::new(); + for item_or_inner_list in parsed_list.iter() { + nsi_members.push(interface_from_list_entry(item_or_inner_list)?) + } + let sfv_list = SFVList::allocate(InitSFVList { + members: RefCell::new(nsi_members), + }); + Ok(RefPtr::new(sfv_list.coerce::<nsISFVList>())) + } + + xpcom_method!(parse_item => ParseItem(header: *const nsACString) -> *const nsISFVItem); + fn parse_item(&self, header: &nsACString) -> Result<RefPtr<nsISFVItem>, nsresult> { + let parsed_item = Parser::parse_item(&header).map_err(|_| NS_ERROR_FAILURE)?; + interface_from_item(&parsed_item) + } + + xpcom_method!(new_integer => NewInteger(value: i64) -> *const nsISFVInteger); + fn new_integer(&self, value: i64) -> Result<RefPtr<nsISFVInteger>, nsresult> { + Ok(RefPtr::new( + SFVInteger::new(value).coerce::<nsISFVInteger>(), + )) + } + + xpcom_method!(new_decimal => NewDecimal(value: f64) -> *const nsISFVDecimal); + fn new_decimal(&self, value: f64) -> Result<RefPtr<nsISFVDecimal>, nsresult> { + Ok(RefPtr::new( + SFVDecimal::new(value).coerce::<nsISFVDecimal>(), + )) + } + + xpcom_method!(new_bool => NewBool(value: bool) -> *const nsISFVBool); + fn new_bool(&self, value: bool) -> Result<RefPtr<nsISFVBool>, nsresult> { + Ok(RefPtr::new(SFVBool::new(value).coerce::<nsISFVBool>())) + } + + xpcom_method!(new_string => NewString(value: *const nsACString) -> *const nsISFVString); + fn new_string(&self, value: &nsACString) -> Result<RefPtr<nsISFVString>, nsresult> { + Ok(RefPtr::new(SFVString::new(value).coerce::<nsISFVString>())) + } + + xpcom_method!(new_token => NewToken(value: *const nsACString) -> *const nsISFVToken); + fn new_token(&self, value: &nsACString) -> Result<RefPtr<nsISFVToken>, nsresult> { + Ok(RefPtr::new(SFVToken::new(value).coerce::<nsISFVToken>())) + } + + xpcom_method!(new_byte_sequence => NewByteSequence(value: *const nsACString) -> *const nsISFVByteSeq); + fn new_byte_sequence(&self, value: &nsACString) -> Result<RefPtr<nsISFVByteSeq>, nsresult> { + Ok(RefPtr::new( + SFVByteSeq::new(value).coerce::<nsISFVByteSeq>(), + )) + } + + xpcom_method!(new_parameters => NewParameters() -> *const nsISFVParams); + fn new_parameters(&self) -> Result<RefPtr<nsISFVParams>, nsresult> { + Ok(RefPtr::new(SFVParams::new().coerce::<nsISFVParams>())) + } + + xpcom_method!(new_item => NewItem(value: *const nsISFVBareItem, params: *const nsISFVParams) -> *const nsISFVItem); + fn new_item( + &self, + value: &nsISFVBareItem, + params: &nsISFVParams, + ) -> Result<RefPtr<nsISFVItem>, nsresult> { + Ok(RefPtr::new( + SFVItem::new(value, params).coerce::<nsISFVItem>(), + )) + } + + xpcom_method!(new_inner_list => NewInnerList(items: *const thin_vec::ThinVec<Option<RefPtr<nsISFVItem>>>, params: *const nsISFVParams) -> *const nsISFVInnerList); + fn new_inner_list( + &self, + items: &thin_vec::ThinVec<Option<RefPtr<nsISFVItem>>>, + params: &nsISFVParams, + ) -> Result<RefPtr<nsISFVInnerList>, nsresult> { + let items = items + .iter() + .cloned() + .map(|item| item.ok_or(NS_ERROR_NULL_POINTER)) + .collect::<Result<Vec<_>, nsresult>>()?; + Ok(RefPtr::new( + SFVInnerList::new(items, params).coerce::<nsISFVInnerList>(), + )) + } + + xpcom_method!(new_list => NewList(members: *const thin_vec::ThinVec<Option<RefPtr<nsISFVItemOrInnerList>>>) -> *const nsISFVList); + fn new_list( + &self, + members: &thin_vec::ThinVec<Option<RefPtr<nsISFVItemOrInnerList>>>, + ) -> Result<RefPtr<nsISFVList>, nsresult> { + let members = members + .iter() + .cloned() + .map(|item| item.ok_or(NS_ERROR_NULL_POINTER)) + .collect::<Result<Vec<_>, nsresult>>()?; + Ok(RefPtr::new(SFVList::new(members).coerce::<nsISFVList>())) + } + + xpcom_method!(new_dictionary => NewDictionary() -> *const nsISFVDictionary); + fn new_dictionary(&self) -> Result<RefPtr<nsISFVDictionary>, nsresult> { + Ok(RefPtr::new( + SFVDictionary::new().coerce::<nsISFVDictionary>(), + )) + } +} + +#[xpcom(implement(nsISFVInteger, nsISFVBareItem), nonatomic)] +struct SFVInteger { + value: RefCell<i64>, +} + +impl SFVInteger { + fn new(value: i64) -> RefPtr<SFVInteger> { + SFVInteger::allocate(InitSFVInteger { + value: RefCell::new(value), + }) + } + + xpcom_method!(get_value => GetValue() -> i64); + fn get_value(&self) -> Result<i64, nsresult> { + Ok(*self.value.borrow()) + } + + xpcom_method!(set_value => SetValue(value: i64)); + fn set_value(&self, value: i64) -> Result<(), nsresult> { + self.value.replace(value); + Ok(()) + } + + xpcom_method!(get_type => GetType() -> i32); + fn get_type(&self) -> Result<i32, nsresult> { + Ok(nsISFVBareItem::INTEGER) + } + + fn from_bare_item_interface(obj: &nsISFVBareItem) -> &Self { + unsafe { ::std::mem::transmute(obj) } + } +} + +#[xpcom(implement(nsISFVBool, nsISFVBareItem), nonatomic)] +struct SFVBool { + value: RefCell<bool>, +} + +impl SFVBool { + fn new(value: bool) -> RefPtr<SFVBool> { + SFVBool::allocate(InitSFVBool { + value: RefCell::new(value), + }) + } + + xpcom_method!(get_value => GetValue() -> bool); + fn get_value(&self) -> Result<bool, nsresult> { + Ok(*self.value.borrow()) + } + + xpcom_method!(set_value => SetValue(value: bool)); + fn set_value(&self, value: bool) -> Result<(), nsresult> { + self.value.replace(value); + Ok(()) + } + + xpcom_method!(get_type => GetType() -> i32); + fn get_type(&self) -> Result<i32, nsresult> { + Ok(nsISFVBareItem::BOOL) + } + + fn from_bare_item_interface(obj: &nsISFVBareItem) -> &Self { + unsafe { ::std::mem::transmute(obj) } + } +} + +#[xpcom(implement(nsISFVString, nsISFVBareItem), nonatomic)] +struct SFVString { + value: RefCell<nsCString>, +} + +impl SFVString { + fn new(value: &nsACString) -> RefPtr<SFVString> { + SFVString::allocate(InitSFVString { + value: RefCell::new(nsCString::from(value)), + }) + } + + xpcom_method!( + get_value => GetValue( + ) -> nsACString + ); + + fn get_value(&self) -> Result<nsCString, nsresult> { + Ok(self.value.borrow().clone()) + } + + xpcom_method!( + set_value => SetValue(value: *const nsACString) + ); + + fn set_value(&self, value: &nsACString) -> Result<(), nsresult> { + self.value.borrow_mut().assign(value); + Ok(()) + } + + xpcom_method!(get_type => GetType() -> i32); + fn get_type(&self) -> Result<i32, nsresult> { + Ok(nsISFVBareItem::STRING) + } + + fn from_bare_item_interface(obj: &nsISFVBareItem) -> &Self { + unsafe { ::std::mem::transmute(obj) } + } +} + +#[xpcom(implement(nsISFVToken, nsISFVBareItem), nonatomic)] +struct SFVToken { + value: RefCell<nsCString>, +} + +impl SFVToken { + fn new(value: &nsACString) -> RefPtr<SFVToken> { + SFVToken::allocate(InitSFVToken { + value: RefCell::new(nsCString::from(value)), + }) + } + + xpcom_method!( + get_value => GetValue( + ) -> nsACString + ); + + fn get_value(&self) -> Result<nsCString, nsresult> { + Ok(self.value.borrow().clone()) + } + + xpcom_method!( + set_value => SetValue(value: *const nsACString) + ); + + fn set_value(&self, value: &nsACString) -> Result<(), nsresult> { + self.value.borrow_mut().assign(value); + Ok(()) + } + + xpcom_method!(get_type => GetType() -> i32); + fn get_type(&self) -> Result<i32, nsresult> { + Ok(nsISFVBareItem::TOKEN) + } + + fn from_bare_item_interface(obj: &nsISFVBareItem) -> &Self { + unsafe { ::std::mem::transmute(obj) } + } +} + +#[xpcom(implement(nsISFVByteSeq, nsISFVBareItem), nonatomic)] +struct SFVByteSeq { + value: RefCell<nsCString>, +} + +impl SFVByteSeq { + fn new(value: &nsACString) -> RefPtr<SFVByteSeq> { + SFVByteSeq::allocate(InitSFVByteSeq { + value: RefCell::new(nsCString::from(value)), + }) + } + + xpcom_method!( + get_value => GetValue( + ) -> nsACString + ); + + fn get_value(&self) -> Result<nsCString, nsresult> { + Ok(self.value.borrow().clone()) + } + + xpcom_method!( + set_value => SetValue(value: *const nsACString) + ); + + fn set_value(&self, value: &nsACString) -> Result<(), nsresult> { + self.value.borrow_mut().assign(value); + Ok(()) + } + + xpcom_method!(get_type => GetType() -> i32); + fn get_type(&self) -> Result<i32, nsresult> { + Ok(nsISFVBareItem::BYTE_SEQUENCE) + } + + fn from_bare_item_interface(obj: &nsISFVBareItem) -> &Self { + unsafe { ::std::mem::transmute(obj) } + } +} + +#[xpcom(implement(nsISFVDecimal, nsISFVBareItem), nonatomic)] +struct SFVDecimal { + value: RefCell<f64>, +} + +impl SFVDecimal { + fn new(value: f64) -> RefPtr<SFVDecimal> { + SFVDecimal::allocate(InitSFVDecimal { + value: RefCell::new(value), + }) + } + + xpcom_method!( + get_value => GetValue( + ) -> f64 + ); + + fn get_value(&self) -> Result<f64, nsresult> { + Ok(*self.value.borrow()) + } + + xpcom_method!( + set_value => SetValue(value: f64) + ); + + fn set_value(&self, value: f64) -> Result<(), nsresult> { + self.value.replace(value); + Ok(()) + } + + xpcom_method!(get_type => GetType() -> i32); + fn get_type(&self) -> Result<i32, nsresult> { + Ok(nsISFVBareItem::DECIMAL) + } + + fn from_bare_item_interface(obj: &nsISFVBareItem) -> &Self { + unsafe { ::std::mem::transmute(obj) } + } +} + +#[xpcom(implement(nsISFVParams), nonatomic)] +struct SFVParams { + params: RefCell<Parameters>, +} + +impl SFVParams { + fn new() -> RefPtr<SFVParams> { + SFVParams::allocate(InitSFVParams { + params: RefCell::new(Parameters::new()), + }) + } + + xpcom_method!( + get => Get(key: *const nsACString) -> *const nsISFVBareItem + ); + + fn get(&self, key: &nsACString) -> Result<RefPtr<nsISFVBareItem>, nsresult> { + let key = key.to_utf8(); + let params = self.params.borrow(); + let param_val = params.get(key.as_ref()); + + match param_val { + Some(val) => interface_from_bare_item(val), + None => return Err(NS_ERROR_UNEXPECTED), + } + } + + xpcom_method!( + set => Set(key: *const nsACString, item: *const nsISFVBareItem) + ); + + fn set(&self, key: &nsACString, item: &nsISFVBareItem) -> Result<(), nsresult> { + let key = key.to_utf8().into_owned(); + let bare_item = bare_item_from_interface(item)?; + self.params.borrow_mut().insert(key, bare_item); + Ok(()) + } + + xpcom_method!( + delete => Delete(key: *const nsACString) + ); + fn delete(&self, key: &nsACString) -> Result<(), nsresult> { + let key = key.to_utf8(); + let mut params = self.params.borrow_mut(); + + if !params.contains_key(key.as_ref()) { + return Err(NS_ERROR_UNEXPECTED); + } + + // Keeps only entries that don't match key + params.retain(|k, _| k != key.as_ref()); + Ok(()) + } + + xpcom_method!( + keys => Keys() -> thin_vec::ThinVec<nsCString> + ); + fn keys(&self) -> Result<thin_vec::ThinVec<nsCString>, nsresult> { + let keys = self.params.borrow(); + let keys = keys + .keys() + .map(nsCString::from) + .collect::<ThinVec<nsCString>>(); + Ok(keys) + } + + fn from_interface(obj: &nsISFVParams) -> &Self { + unsafe { ::std::mem::transmute(obj) } + } +} + +#[xpcom(implement(nsISFVItem, nsISFVItemOrInnerList), nonatomic)] +struct SFVItem { + value: RefPtr<nsISFVBareItem>, + params: RefPtr<nsISFVParams>, +} + +impl SFVItem { + fn new(value: &nsISFVBareItem, params: &nsISFVParams) -> RefPtr<SFVItem> { + SFVItem::allocate(InitSFVItem { + value: RefPtr::new(value), + params: RefPtr::new(params), + }) + } + + xpcom_method!( + get_value => GetValue( + ) -> *const nsISFVBareItem + ); + + fn get_value(&self) -> Result<RefPtr<nsISFVBareItem>, nsresult> { + Ok(self.value.clone()) + } + + xpcom_method!( + get_params => GetParams( + ) -> *const nsISFVParams + ); + fn get_params(&self) -> Result<RefPtr<nsISFVParams>, nsresult> { + Ok(self.params.clone()) + } + + xpcom_method!( + serialize => Serialize() -> nsACString + ); + fn serialize(&self) -> Result<nsCString, nsresult> { + let bare_item = bare_item_from_interface(self.value.deref())?; + let params = params_from_interface(self.params.deref())?; + let serialized = Item::with_params(bare_item, params) + .serialize_value() + .map_err(|_| NS_ERROR_FAILURE)?; + Ok(nsCString::from(serialized)) + } + + fn from_interface(obj: &nsISFVItem) -> &Self { + unsafe { ::std::mem::transmute(obj) } + } +} + +#[xpcom(implement(nsISFVInnerList, nsISFVItemOrInnerList), nonatomic)] +struct SFVInnerList { + items: RefCell<Vec<RefPtr<nsISFVItem>>>, + params: RefPtr<nsISFVParams>, +} + +impl SFVInnerList { + fn new(items: Vec<RefPtr<nsISFVItem>>, params: &nsISFVParams) -> RefPtr<SFVInnerList> { + SFVInnerList::allocate(InitSFVInnerList { + items: RefCell::new(items), + params: RefPtr::new(params), + }) + } + + xpcom_method!( + get_items => GetItems() -> thin_vec::ThinVec<Option<RefPtr<nsISFVItem>>> + ); + + fn get_items(&self) -> Result<thin_vec::ThinVec<Option<RefPtr<nsISFVItem>>>, nsresult> { + let items = self.items.borrow().iter().cloned().map(Some).collect(); + Ok(items) + } + + #[allow(non_snake_case)] + unsafe fn SetItems( + &self, + value: *const thin_vec::ThinVec<Option<RefPtr<nsISFVItem>>>, + ) -> nsresult { + if value.is_null() { + return NS_ERROR_NULL_POINTER; + } + match (*value) + .iter() + .map(|v| v.clone().ok_or(NS_ERROR_NULL_POINTER)) + .collect::<Result<Vec<_>, nsresult>>() + { + Ok(value) => *self.items.borrow_mut() = value, + Err(rv) => return rv, + } + NS_OK + } + + xpcom_method!( + get_params => GetParams( + ) -> *const nsISFVParams + ); + fn get_params(&self) -> Result<RefPtr<nsISFVParams>, nsresult> { + Ok(self.params.clone()) + } + + fn from_interface(obj: &nsISFVInnerList) -> &Self { + unsafe { ::std::mem::transmute(obj) } + } +} + +#[xpcom(implement(nsISFVList, nsISFVSerialize), nonatomic)] +struct SFVList { + members: RefCell<Vec<RefPtr<nsISFVItemOrInnerList>>>, +} + +impl SFVList { + fn new(members: Vec<RefPtr<nsISFVItemOrInnerList>>) -> RefPtr<SFVList> { + SFVList::allocate(InitSFVList { + members: RefCell::new(members), + }) + } + + xpcom_method!( + get_members => GetMembers() -> thin_vec::ThinVec<Option<RefPtr<nsISFVItemOrInnerList>>> + ); + + fn get_members( + &self, + ) -> Result<thin_vec::ThinVec<Option<RefPtr<nsISFVItemOrInnerList>>>, nsresult> { + Ok(self.members.borrow().iter().cloned().map(Some).collect()) + } + + #[allow(non_snake_case)] + unsafe fn SetMembers( + &self, + value: *const thin_vec::ThinVec<Option<RefPtr<nsISFVItemOrInnerList>>>, + ) -> nsresult { + if value.is_null() { + return NS_ERROR_NULL_POINTER; + } + match (*value) + .iter() + .map(|v| v.clone().ok_or(NS_ERROR_NULL_POINTER)) + .collect::<Result<Vec<_>, nsresult>>() + { + Ok(value) => *self.members.borrow_mut() = value, + Err(rv) => return rv, + } + NS_OK + } + + xpcom_method!( + parse_more => ParseMore(header: *const nsACString) + ); + fn parse_more(&self, header: &nsACString) -> Result<(), nsresult> { + // create List from SFVList to call parse_more on it + let mut list = List::new(); + let members = self.members.borrow().clone(); + for interface_entry in members.iter() { + let item_or_inner_list = list_entry_from_interface(interface_entry)?; + list.push(item_or_inner_list); + } + + let _ = list.parse_more(&header).map_err(|_| NS_ERROR_FAILURE)?; + + // replace SFVList's members with new_members + let mut new_members = Vec::new(); + for item_or_inner_list in list.iter() { + new_members.push(interface_from_list_entry(item_or_inner_list)?) + } + self.members.replace(new_members); + Ok(()) + } + + xpcom_method!( + serialize => Serialize() -> nsACString + ); + fn serialize(&self) -> Result<nsCString, nsresult> { + let mut list = List::new(); + let members = self.members.borrow().clone(); + for interface_entry in members.iter() { + let item_or_inner_list = list_entry_from_interface(interface_entry)?; + list.push(item_or_inner_list); + } + + let serialized = list.serialize_value().map_err(|_| NS_ERROR_FAILURE)?; + Ok(nsCString::from(serialized)) + } +} + +#[xpcom(implement(nsISFVDictionary, nsISFVSerialize), nonatomic)] +struct SFVDictionary { + value: RefCell<Dictionary>, +} + +impl SFVDictionary { + fn new() -> RefPtr<SFVDictionary> { + SFVDictionary::allocate(InitSFVDictionary { + value: RefCell::new(Dictionary::new()), + }) + } + + xpcom_method!( + get => Get(key: *const nsACString) -> *const nsISFVItemOrInnerList + ); + + fn get(&self, key: &nsACString) -> Result<RefPtr<nsISFVItemOrInnerList>, nsresult> { + let key = key.to_utf8(); + let value = self.value.borrow(); + let member_value = value.get(key.as_ref()); + + match member_value { + Some(member) => interface_from_list_entry(member), + None => return Err(NS_ERROR_UNEXPECTED), + } + } + + xpcom_method!( + set => Set(key: *const nsACString, item: *const nsISFVItemOrInnerList) + ); + + fn set(&self, key: &nsACString, member_value: &nsISFVItemOrInnerList) -> Result<(), nsresult> { + let key = key.to_utf8().into_owned(); + let value = list_entry_from_interface(member_value)?; + self.value.borrow_mut().insert(key, value); + Ok(()) + } + + xpcom_method!( + delete => Delete(key: *const nsACString) + ); + + fn delete(&self, key: &nsACString) -> Result<(), nsresult> { + let key = key.to_utf8(); + let mut params = self.value.borrow_mut(); + + if !params.contains_key(key.as_ref()) { + return Err(NS_ERROR_UNEXPECTED); + } + + // Keeps only entries that don't match key + params.retain(|k, _| k != key.as_ref()); + Ok(()) + } + + xpcom_method!( + keys => Keys() -> thin_vec::ThinVec<nsCString> + ); + fn keys(&self) -> Result<thin_vec::ThinVec<nsCString>, nsresult> { + let members = self.value.borrow(); + let keys = members + .keys() + .map(nsCString::from) + .collect::<ThinVec<nsCString>>(); + Ok(keys) + } + + xpcom_method!( + parse_more => ParseMore(header: *const nsACString) + ); + fn parse_more(&self, header: &nsACString) -> Result<(), nsresult> { + let _ = self + .value + .borrow_mut() + .parse_more(&header) + .map_err(|_| NS_ERROR_FAILURE)?; + Ok(()) + } + + xpcom_method!( + serialize => Serialize() -> nsACString + ); + fn serialize(&self) -> Result<nsCString, nsresult> { + let serialized = self + .value + .borrow() + .serialize_value() + .map_err(|_| NS_ERROR_FAILURE)?; + Ok(nsCString::from(serialized)) + } +} + +fn bare_item_from_interface(obj: &nsISFVBareItem) -> Result<BareItem, nsresult> { + let obj = obj + .query_interface::<nsISFVBareItem>() + .ok_or(NS_ERROR_UNEXPECTED)?; + let mut obj_type: i32 = -1; + unsafe { + obj.deref().GetType(&mut obj_type); + } + + match obj_type { + nsISFVBareItem::BOOL => { + let item_value = SFVBool::from_bare_item_interface(obj.deref()).get_value()?; + Ok(BareItem::Boolean(item_value)) + } + nsISFVBareItem::STRING => { + let string_itm = SFVString::from_bare_item_interface(obj.deref()).get_value()?; + let item_value = (*string_itm.to_utf8()).to_string(); + Ok(BareItem::String(item_value)) + } + nsISFVBareItem::TOKEN => { + let token_itm = SFVToken::from_bare_item_interface(obj.deref()).get_value()?; + let item_value = (*token_itm.to_utf8()).to_string(); + Ok(BareItem::Token(item_value)) + } + nsISFVBareItem::INTEGER => { + let item_value = SFVInteger::from_bare_item_interface(obj.deref()).get_value()?; + Ok(BareItem::Integer(item_value)) + } + nsISFVBareItem::DECIMAL => { + let item_value = SFVDecimal::from_bare_item_interface(obj.deref()).get_value()?; + let decimal: Decimal = Decimal::from_f64(item_value).ok_or(NS_ERROR_UNEXPECTED)?; + Ok(BareItem::Decimal(decimal)) + } + nsISFVBareItem::BYTE_SEQUENCE => { + let token_itm = SFVByteSeq::from_bare_item_interface(obj.deref()).get_value()?; + let item_value: String = (*token_itm.to_utf8()).to_string(); + Ok(BareItem::ByteSeq(item_value.into_bytes())) + } + _ => return Err(NS_ERROR_UNEXPECTED), + } +} + +fn params_from_interface(obj: &nsISFVParams) -> Result<Parameters, nsresult> { + let params = SFVParams::from_interface(obj).params.borrow(); + Ok(params.clone()) +} + +fn item_from_interface(obj: &nsISFVItem) -> Result<Item, nsresult> { + let sfv_item = SFVItem::from_interface(obj); + let bare_item = bare_item_from_interface(sfv_item.value.deref())?; + let parameters = params_from_interface(sfv_item.params.deref())?; + Ok(Item::with_params(bare_item, parameters)) +} + +fn inner_list_from_interface(obj: &nsISFVInnerList) -> Result<InnerList, nsresult> { + let sfv_inner_list = SFVInnerList::from_interface(obj); + + let mut inner_list_items: Vec<Item> = vec![]; + for item in sfv_inner_list.items.borrow().iter() { + let item = item_from_interface(item)?; + inner_list_items.push(item); + } + let inner_list_params = params_from_interface(sfv_inner_list.params.deref())?; + Ok(InnerList::with_params(inner_list_items, inner_list_params)) +} + +fn list_entry_from_interface(obj: &nsISFVItemOrInnerList) -> Result<ListEntry, nsresult> { + if let Some(nsi_item) = obj.query_interface::<nsISFVItem>() { + let item = item_from_interface(nsi_item.deref())?; + Ok(ListEntry::Item(item)) + } else if let Some(nsi_inner_list) = obj.query_interface::<nsISFVInnerList>() { + let inner_list = inner_list_from_interface(nsi_inner_list.deref())?; + Ok(ListEntry::InnerList(inner_list)) + } else { + return Err(NS_ERROR_UNEXPECTED); + } +} + +fn interface_from_bare_item(bare_item: &BareItem) -> Result<RefPtr<nsISFVBareItem>, nsresult> { + let bare_item = match bare_item { + BareItem::Boolean(val) => RefPtr::new(SFVBool::new(*val).coerce::<nsISFVBareItem>()), + BareItem::String(val) => { + RefPtr::new(SFVString::new(&nsCString::from(val)).coerce::<nsISFVBareItem>()) + } + BareItem::Token(val) => { + RefPtr::new(SFVToken::new(&nsCString::from(val)).coerce::<nsISFVBareItem>()) + } + BareItem::ByteSeq(val) => RefPtr::new( + SFVByteSeq::new(&nsCString::from(String::from_utf8(val.to_vec()).unwrap())) + .coerce::<nsISFVBareItem>(), + ), + BareItem::Decimal(val) => { + let val = val + .to_string() + .parse::<f64>() + .map_err(|_| NS_ERROR_UNEXPECTED)?; + RefPtr::new(SFVDecimal::new(val).coerce::<nsISFVBareItem>()) + } + BareItem::Integer(val) => RefPtr::new(SFVInteger::new(*val).coerce::<nsISFVBareItem>()), + }; + + Ok(bare_item) +} + +fn interface_from_item(item: &Item) -> Result<RefPtr<nsISFVItem>, nsresult> { + let nsi_bare_item = interface_from_bare_item(&item.bare_item)?; + let nsi_params = interface_from_params(&item.params)?; + Ok(RefPtr::new( + SFVItem::new(&nsi_bare_item, &nsi_params).coerce::<nsISFVItem>(), + )) +} + +fn interface_from_params(params: &Parameters) -> Result<RefPtr<nsISFVParams>, nsresult> { + let sfv_params = SFVParams::new(); + for (key, value) in params.iter() { + sfv_params + .params + .borrow_mut() + .insert(key.clone(), value.clone()); + } + Ok(RefPtr::new(sfv_params.coerce::<nsISFVParams>())) +} + +fn interface_from_list_entry( + member: &ListEntry, +) -> Result<RefPtr<nsISFVItemOrInnerList>, nsresult> { + match member { + ListEntry::Item(item) => { + let nsi_bare_item = interface_from_bare_item(&item.bare_item)?; + let nsi_params = interface_from_params(&item.params)?; + Ok(RefPtr::new( + SFVItem::new(&nsi_bare_item, &nsi_params).coerce::<nsISFVItemOrInnerList>(), + )) + } + ListEntry::InnerList(inner_list) => { + let mut nsi_inner_list = Vec::new(); + for item in inner_list.items.iter() { + let nsi_item = interface_from_item(item)?; + nsi_inner_list.push(nsi_item); + } + + let nsi_params = interface_from_params(&inner_list.params)?; + Ok(RefPtr::new( + SFVInnerList::new(nsi_inner_list, &nsi_params).coerce::<nsISFVItemOrInnerList>(), + )) + } + } +} |