greg/mentat
1
0
Fork 0
Code Issues 294 Pull requests Projects Releases 9 Packages Wiki Activity

Address review comments @rnewman

Browse source
This commit is contained in:
Emily Toop 2018-04-06 10:02:42 +01:00
parent 19ddf9c384
commit 175958e754
3 changed files with 60 additions and 84 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

104
ffi/src/lib.rs
View file

@ -57,6 +57,9 @@ pub use utils::strings::{
string_to_c_char,
};
pub type TypedValueIterator = vec::IntoIter<TypedValue>;
pub type TypedValueListIterator = vec::IntoIter<Vec<TypedValue>>;
#[repr(C)]
#[derive(Debug, Clone)]
pub struct ExternTxReport {
@ -319,80 +322,80 @@ pub unsafe extern "C" fn row_at_index(rows: *mut Vec<Vec<TypedValue>>, index: c_
}
#[no_mangle]
pub unsafe extern "C" fn rows_iter(rows: *mut Vec<Vec<TypedValue>>) -> *mut vec::IntoIter<Vec<TypedValue>> {
pub unsafe extern "C" fn rows_iter(rows: *mut Vec<Vec<TypedValue>>) -> *mut TypedValueListIterator {
let result = Box::from_raw(rows);
Box::into_raw(Box::new(result.into_iter()))
}
#[no_mangle]
pub unsafe extern "C" fn rows_iter_next(iter: *mut ::std::vec::IntoIter<Vec<TypedValue>>) -> *mut Vec<TypedValue> {
pub unsafe extern "C" fn rows_iter_next(iter: *mut TypedValueListIterator) -> *mut Vec<TypedValue> {
let iter = &mut *iter;
iter.next().map_or(std::ptr::null_mut(), |v| Box::into_raw(Box::new(v)))
}
#[no_mangle]
pub unsafe extern "C" fn values_iter(values: *mut Vec<TypedValue>) -> *mut vec::IntoIter<TypedValue> {
pub unsafe extern "C" fn values_iter(values: *mut Vec<TypedValue>) -> *mut TypedValueIterator {
let result = Box::from_raw(values);
Box::into_raw(Box::new(result.into_iter()))
}
#[no_mangle]
pub unsafe extern "C" fn values_iter_next(iter: *mut vec::IntoIter<TypedValue>) -> *const TypedValue {
pub unsafe extern "C" fn values_iter_next(iter: *mut TypedValueIterator) -> *const TypedValue {
let iter = &mut *iter;
iter.next().map_or(std::ptr::null_mut(), |v| &v as *const TypedValue)
}
//as_long
#[no_mangle]
pub unsafe extern "C" fn values_iter_next_as_long(iter: *mut vec::IntoIter<TypedValue>) -> *const i64 {
pub unsafe extern "C" fn values_iter_next_as_long(iter: *mut TypedValueIterator) -> *const i64 {
let iter = &mut *iter;
iter.next().map_or(std::ptr::null_mut(), |v| &v.into_long().expect("Typed value cannot be coerced into a Long") as *const i64)
}
// as ref
#[no_mangle]
pub unsafe extern "C" fn values_iter_next_as_entid(iter: *mut vec::IntoIter<TypedValue>) -> *const Entid {
pub unsafe extern "C" fn values_iter_next_as_entid(iter: *mut TypedValueIterator) -> *const Entid {
let iter = &mut *iter;
iter.next().map_or(std::ptr::null_mut(), |v| &v.into_entid().expect("Typed value cannot be coerced into am Entid") as *const Entid)
}
// as kw
#[no_mangle]
pub unsafe extern "C" fn values_iter_next_as_kw(iter: *mut vec::IntoIter<TypedValue>) -> *const c_char {
pub unsafe extern "C" fn values_iter_next_as_kw(iter: *mut TypedValueIterator) -> *const c_char {
let iter = &mut *iter;
iter.next().map_or(std::ptr::null_mut(), |v| string_to_c_char(v.into_kw().expect("Typed value cannot be coerced into a Namespaced Keyword").to_string()))
}
//as_boolean
#[no_mangle]
pub unsafe extern "C" fn values_iter_next_as_boolean(iter: *mut vec::IntoIter<TypedValue>) -> *const bool {
pub unsafe extern "C" fn values_iter_next_as_boolean(iter: *mut TypedValueIterator) -> *const bool {
let iter = &mut *iter;
iter.next().map_or(std::ptr::null_mut(), |v| &v.into_boolean().expect("Typed value cannot be coerced into a Boolean") as *const bool)
}
//as_double
#[no_mangle]
pub unsafe extern "C" fn values_iter_next_as_double(iter: *mut vec::IntoIter<TypedValue>) -> *const f64 {
pub unsafe extern "C" fn values_iter_next_as_double(iter: *mut TypedValueIterator) -> *const f64 {
let iter = &mut *iter;
iter.next().map_or(std::ptr::null_mut(), |v| &v.into_double().expect("Typed value cannot be coerced into a Double") as *const f64)
}
//as_timestamp
#[no_mangle]
pub unsafe extern "C" fn values_iter_next_as_timestamp(iter: *mut vec::IntoIter<TypedValue>) -> *const i64 {
pub unsafe extern "C" fn values_iter_next_as_timestamp(iter: *mut TypedValueIterator) -> *const i64 {
let iter = &mut *iter;
iter.next().map_or(std::ptr::null_mut(), |v| v.into_timestamp().expect("Typed value cannot be coerced into a Timestamp") as *const i64)
}
//as_string
#[no_mangle]
pub unsafe extern "C" fn values_iter_next_as_string(iter: *mut vec::IntoIter<TypedValue>) -> *const c_char {
pub unsafe extern "C" fn values_iter_next_as_string(iter: *mut TypedValueIterator) -> *const c_char {
let iter = &mut *iter;
iter.next().map_or(std::ptr::null_mut(), |v| c_char_from_rc(v.into_string().expect("Typed value cannot be coerced into a String")))
}
//as_uuid
#[no_mangle]
pub unsafe extern "C" fn values_iter_next_as_uuid(iter: *mut vec::IntoIter<TypedValue>) -> *const c_char {
pub unsafe extern "C" fn values_iter_next_as_uuid(iter: *mut TypedValueIterator) -> *const c_char {
let iter = &mut *iter;
iter.next().map_or(std::ptr::null_mut(), |v| string_to_c_char(v.into_uuid_string().expect("Typed value cannot be coerced into a Uuid")))
}
@ -556,11 +559,11 @@ pub unsafe extern "C" fn store_sync(store: *mut Store, user_uuid: *const c_char,
Box::into_raw(Box::new(res.into()))
}
fn add_value_for_attribute<E, V>(store: &mut Store, entid: E, attribute: String, value: V) -> *mut ExternResult
fn assert_datom<E, V>(store: &mut Store, entid: E, attribute: String, value: V) -> *mut ExternResult
where E: Into<KnownEntid>,
V: Into<TypedValue> {
let kw = kw_from_string(attribute);
let res = store.add_value_for_attribute(entid.into(), kw, value.into());
let res = store.assert_datom(entid.into(), kw, value.into());
Box::into_raw(Box::new(res.into()))
}
@ -568,7 +571,7 @@ where E: Into<KnownEntid>,
pub unsafe extern "C" fn store_set_long_for_attribute_on_entid(store: *mut Store, entid: Entid, attribute: *const c_char, value: i64) -> *mut ExternResult {
let store = &mut*store;
let kw = kw_from_string(c_char_to_string(attribute));
let res = store.add_value_for_attribute(KnownEntid(entid), kw, TypedValue::Long(value));
let res = store.assert_datom(KnownEntid(entid), kw, TypedValue::Long(value));
Box::into_raw(Box::new(res.into()))
}
@ -576,7 +579,7 @@ pub unsafe extern "C" fn store_set_long_for_attribute_on_entid(store: *mut Store
pub unsafe extern "C" fn store_set_entid_for_attribute_on_entid(store: *mut Store, entid: Entid, attribute: *const c_char, value: Entid) -> *mut ExternResult {
let store = &mut*store;
let kw = kw_from_string(c_char_to_string(attribute));
let res = store.add_value_for_attribute(KnownEntid(entid), kw, TypedValue::Ref(value));
let res = store.assert_datom(KnownEntid(entid), kw, TypedValue::Ref(value));
Box::into_raw(Box::new(res.into()))
}
@ -590,41 +593,41 @@ pub unsafe extern "C" fn store_set_kw_ref_for_attribute_on_entid(store: *mut Sto
return Box::into_raw(Box::new(ExternResult { ok: std::ptr::null_mut(), err: string_to_c_char(format!("Unknown attribute {:?}", value)) }));
}
let kw_entid = is_valid.unwrap();
let res = store.add_value_for_attribute(KnownEntid(entid), kw, TypedValue::Ref(kw_entid.into()));
let res = store.assert_datom(KnownEntid(entid), kw, TypedValue::Ref(kw_entid.into()));
Box::into_raw(Box::new(res.into()))
}
#[no_mangle]
pub unsafe extern "C" fn store_set_boolean_for_attribute_on_entid(store: *mut Store, entid: Entid, attribute: *const c_char, value: bool) -> *mut ExternResult {
let store = &mut*store;
add_value_for_attribute(store, KnownEntid(entid), c_char_to_string(attribute), value)
assert_datom(store, KnownEntid(entid), c_char_to_string(attribute), value)
}
#[no_mangle]
pub unsafe extern "C" fn store_set_double_for_attribute_on_entid(store: *mut Store, entid: Entid, attribute: *const c_char, value: f64) -> *mut ExternResult {
let store = &mut*store;
add_value_for_attribute(store, KnownEntid(entid), c_char_to_string(attribute), value)
assert_datom(store, KnownEntid(entid), c_char_to_string(attribute), value)
}
#[no_mangle]
pub unsafe extern "C" fn store_set_timestamp_for_attribute_on_entid(store: *mut Store, entid: Entid, attribute: *const c_char, value: time_t) -> *mut ExternResult {
let store = &mut*store;
let kw = kw_from_string(c_char_to_string(attribute));
let res = store.add_value_for_attribute(KnownEntid(entid), kw, TypedValue::instant(value as i64));
let res = store.assert_datom(KnownEntid(entid), kw, TypedValue::instant(value as i64));
Box::into_raw(Box::new(res.into()))
}
#[no_mangle]
pub unsafe extern "C" fn store_set_string_for_attribute_on_entid(store: *mut Store, entid: Entid, attribute: *const c_char, value: *const c_char) -> *mut ExternResult {
let store = &mut*store;
add_value_for_attribute(store, KnownEntid(entid), c_char_to_string(attribute), c_char_to_string(value))
assert_datom(store, KnownEntid(entid), c_char_to_string(attribute), c_char_to_string(value))
}
#[no_mangle]
pub unsafe extern "C" fn store_set_uuid_for_attribute_on_entid(store: *mut Store, entid: Entid, attribute: *const c_char, value: *const c_char) -> *mut ExternResult {
let store = &mut*store;
let uuid = Uuid::parse_str(&c_char_to_string(value)).expect("valid uuid");
add_value_for_attribute(store, KnownEntid(entid), c_char_to_string(attribute), uuid)
assert_datom(store, KnownEntid(entid), c_char_to_string(attribute), uuid)
}
#[no_mangle]
@ -635,51 +638,24 @@ pub unsafe extern "C" fn destroy(obj: *mut c_void) {
}
}
#[no_mangle]
pub unsafe extern "C" fn query_builder_destroy(obj: *mut QueryBuilder) {
if !obj.is_null() {
let _ = Box::from_raw(obj);
}
}
macro_rules! define_destructor (
($name:ident, $t:ty) => (
#[no_mangle]
pub unsafe extern "C" fn $name(obj: *mut $t) {
if !obj.is_null() { let _ = Box::from_raw(obj); }
}
)
);
define_destructor!(query_builder_destroy, QueryBuilder);
#[no_mangle]
pub unsafe extern "C" fn store_destroy(obj: *mut Store) {
if !obj.is_null() {
let _ = Box::from_raw(obj);
}
}
define_destructor!(store_destroy, Store);
#[no_mangle]
pub unsafe extern "C" fn typed_value_destroy(obj: *mut TypedValue) {
if !obj.is_null() {
let _ = Box::from_raw(obj);
}
}
define_destructor!(typed_value_destroy, TypedValue);
#[no_mangle]
pub unsafe extern "C" fn typed_value_list_destroy(obj: *mut Vec<TypedValue>) {
if !obj.is_null() {
let _ = Box::from_raw(obj);
}
}
define_destructor!(typed_value_list_destroy, Vec<TypedValue>);
#[no_mangle]
pub unsafe extern "C" fn typed_value_list_iter_destroy(obj: *mut vec::IntoIter<TypedValue>) {
if !obj.is_null() {
let _ = Box::from_raw(obj);
}
}
define_destructor!(typed_value_list_iter_destroy, TypedValueIterator);
#[no_mangle]
pub unsafe extern "C" fn typed_value_result_set_destroy(obj: *mut Vec<Vec<TypedValue>>) {
if !obj.is_null() {
let _ = Box::from_raw(obj);
}
}
define_destructor!(typed_value_result_set_destroy, Vec<Vec<TypedValue>>);
#[no_mangle]
pub unsafe extern "C" fn typed_value_result_set_iter_destroy(obj: *mut vec::IntoIter<Vec<TypedValue>>) {
if !obj.is_null() {
let _ = Box::from_raw(obj);
}
}
define_destructor!(typed_value_result_set_iter_destroy, TypedValueListIterator);

6
src/conn.rs
View file

@ -588,8 +588,8 @@ impl Store {
self.conn.unregister_observer(key);
}
pub fn add_value_for_attribute<T>(&mut self, entid: T, attribute: NamespacedKeyword, value: TypedValue) -> Result<()> where T: Into<KnownEntid> {
self.conn.add_value_for_attribute(&mut self.sqlite, entid, attribute, value)
pub fn assert_datom<T>(&mut self, entid: T, attribute: NamespacedKeyword, value: TypedValue) -> Result<()> where T: Into<KnownEntid> {
self.conn.assert_datom(&mut self.sqlite, entid, attribute, value)
}
}
@ -882,7 +882,7 @@ impl Conn {
// TODO: expose the entity builder over FFI and remove the need for this function entirely
// It's really only here in order to keep the FFI layer as thin as possible.
// Once the entity builder is exposed, we can perform all of these functions over FFI from the client.
pub fn add_value_for_attribute<T>(&mut self, sqlite: &mut rusqlite::Connection, entid: T, attribute: NamespacedKeyword, value: TypedValue) -> Result<()> where T: Into<KnownEntid> {
pub fn assert_datom<T>(&mut self, sqlite: &mut rusqlite::Connection, entid: T, attribute: NamespacedKeyword, value: TypedValue) -> Result<()> where T: Into<KnownEntid> {
let in_progress = self.begin_transaction(sqlite)?;
let mut builder = in_progress.builder().describe(entid.into());
builder.add_kw(&attribute, value)?;

34
src/query_builder.rs
View file

@ -131,8 +131,8 @@ mod test {
let yes = report.tempids.get("u").expect("found it").clone();
let entid = QueryBuilder::new(&mut store, r#"[:find ?x .
:in ?v
:where [?x :foo/boolean ?v]]"#)
:in ?v
:where [?x :foo/boolean ?v]]"#)
.bind_value("?v", true)
.execute_scalar().expect("ScalarResult")
.map_or(None, |t| t.into_entid());
@ -169,8 +169,8 @@ mod test {
let n_yes = report.tempids.get("n").expect("found it").clone();
let entids: Vec<i64> = QueryBuilder::new(&mut store, r#"[:find [?x ...]
:in ?v
:where [?x :foo/boolean ?v]]"#)
:in ?v
:where [?x :foo/boolean ?v]]"#)
.bind_value("?v", true)
.execute_coll().expect("CollResult")
.into_iter()
@ -208,8 +208,8 @@ mod test {
let n_yes = report.tempids.get("n").expect("found it").clone();
let results = QueryBuilder::new(&mut store, r#"[:find [?x ...]
:in ?v
:where [?x :foo/boolean ?v]]"#)
:in ?v
:where [?x :foo/boolean ?v]]"#)
.bind_value("?v", true)
.execute_coll().expect("CollResult");
let entid = results.get(1).map_or(None, |t| t.to_owned().into_entid()).expect("entid");
@ -245,9 +245,9 @@ mod test {
let n_yes = report.tempids.get("n").expect("found it").clone();
let results = QueryBuilder::new(&mut store, r#"[:find [?x, ?i]
:in ?v ?i
:where [?x :foo/boolean ?v]
[?x :foo/long ?i]]"#)
:in ?v ?i
:where [?x :foo/boolean ?v]
[?x :foo/long ?i]]"#)
.bind_value("?v", true)
.bind_long("?i", 27)
.execute_tuple().expect("TupleResult").expect("Vec<TypedValue>");
@ -286,9 +286,9 @@ mod test {
let n_yes = report.tempids.get("n").expect("found it").clone();
let results: Vec<TypedValue> = QueryBuilder::new(&mut store, r#"[:find [?x, ?i]
:in ?v ?i
:where [?x :foo/boolean ?v]
[?x :foo/long ?i]]"#)
:in ?v ?i
:where [?x :foo/boolean ?v]
[?x :foo/long ?i]]"#)
.bind_value("?v", true)
.bind_long("?i", 27)
.execute_tuple().expect("TupleResult").unwrap_or(vec![]);
@ -331,8 +331,8 @@ mod test {
};
let mut results: Vec<Res> = QueryBuilder::new(&mut store, r#"[:find ?x ?v ?i
:where [?x :foo/boolean ?v]
[?x :foo/long ?i]]"#)
:where [?x :foo/boolean ?v]
[?x :foo/long ?i]]"#)
.execute_rel().expect("RelResult")
.into_iter()
.map(|row| {
@ -377,9 +377,9 @@ mod test {
let l_yes = report.tempids.get("l").expect("found it").clone();
let results = QueryBuilder::new(&mut store, r#"[:find [?v ?i]
:in ?x
:where [?x :foo/boolean ?v]
[?x :foo/long ?i]]"#)
:in ?x
:where [?x :foo/boolean ?v]
[?x :foo/long ?i]]"#)
.bind_ref("?x", l_yes)
.execute_tuple().expect("TupleResult")
.unwrap_or(vec![]);