98 lines
2.6 KiB
Rust
98 lines
2.6 KiB
Rust
use automerge as am;
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use crate::byte_span::AMbyteSpan;
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use crate::obj::AMobjId;
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use crate::result::AMvalue;
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/// \struct AMmapItem
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/// \installed_headerfile
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/// \brief An item in a map object.
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pub struct AMmapItem {
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/// The key of an item in a map object.
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key: String,
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/// The object identifier of an item in a map object.
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obj_id: AMobjId,
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/// The value of an item in a map object.
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value: am::Value<'static>,
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}
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impl AMmapItem {
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pub fn new(key: &'static str, value: am::Value<'static>, obj_id: am::ObjId) -> Self {
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Self {
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key: key.to_string(),
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obj_id: AMobjId::new(obj_id),
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value,
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}
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}
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}
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impl PartialEq for AMmapItem {
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fn eq(&self, other: &Self) -> bool {
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self.key == other.key && self.obj_id == other.obj_id && self.value == other.value
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}
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}
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/*
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impl From<&AMmapItem> for (String, am::Value<'static>, am::ObjId) {
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fn from(map_item: &AMmapItem) -> Self {
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(map_item.key.into_string().unwrap(), map_item.value.0.clone(), map_item.obj_id.as_ref().clone())
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}
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}
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*/
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/// \memberof AMmapItem
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/// \brief Gets the key of an item in a map object.
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///
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/// \param[in] map_item A pointer to an `AMmapItem` struct.
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/// \return An `AMbyteSpan` view of a UTF-8 string.
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/// \pre \p map_item `!= NULL`.
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/// \internal
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///
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/// # Safety
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/// map_item must be a valid pointer to an AMmapItem
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#[no_mangle]
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pub unsafe extern "C" fn AMmapItemKey(map_item: *const AMmapItem) -> AMbyteSpan {
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if let Some(map_item) = map_item.as_ref() {
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map_item.key.as_bytes().into()
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} else {
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Default::default()
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}
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}
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/// \memberof AMmapItem
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/// \brief Gets the object identifier of an item in a map object.
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///
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/// \param[in] map_item A pointer to an `AMmapItem` struct.
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/// \return A pointer to an `AMobjId` struct.
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/// \pre \p map_item `!= NULL`.
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/// \internal
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///
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/// # Safety
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/// map_item must be a valid pointer to an AMmapItem
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#[no_mangle]
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pub unsafe extern "C" fn AMmapItemObjId(map_item: *const AMmapItem) -> *const AMobjId {
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if let Some(map_item) = map_item.as_ref() {
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&map_item.obj_id
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} else {
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std::ptr::null()
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}
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}
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/// \memberof AMmapItem
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/// \brief Gets the value of an item in a map object.
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///
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/// \param[in] map_item A pointer to an `AMmapItem` struct.
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/// \return An `AMvalue` struct.
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/// \pre \p map_item `!= NULL`.
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/// \internal
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///
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/// # Safety
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/// map_item must be a valid pointer to an AMmapItem
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#[no_mangle]
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pub unsafe extern "C" fn AMmapItemValue<'a>(map_item: *const AMmapItem) -> AMvalue<'a> {
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if let Some(map_item) = map_item.as_ref() {
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(&map_item.value).into()
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} else {
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AMvalue::Void
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}
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}
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