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https://github.com/denoland/deno.git
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45 lines
1.2 KiB
Rust
45 lines
1.2 KiB
Rust
use crate::error::bad_resource_id;
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use crate::error::type_error;
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use crate::error::AnyError;
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use crate::resources::ResourceId;
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use crate::OpState;
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use crate::ZeroCopyBuf;
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// TODO(@AaronO): provide these ops grouped as a runtime extension
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// e.g:
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// pub fn init_builtins() -> Extension { ... }
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/// Return map of resources with id as key
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/// and string representation as value.
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///
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/// This op must be wrapped in `op_sync`.
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pub fn op_resources(
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state: &mut OpState,
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_args: (),
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_zero_copy: Option<ZeroCopyBuf>,
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) -> Result<Vec<(ResourceId, String)>, AnyError> {
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let serialized_resources = state
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.resource_table
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.names()
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.map(|(rid, name)| (rid, name.to_string()))
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.collect();
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Ok(serialized_resources)
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}
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/// Remove a resource from the resource table.
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///
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/// This op must be wrapped in `op_sync`.
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pub fn op_close(
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state: &mut OpState,
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rid: Option<ResourceId>,
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_zero_copy: Option<ZeroCopyBuf>,
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) -> Result<(), AnyError> {
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// TODO(@AaronO): drop Option after improving type-strictness balance in serde_v8
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let rid = rid.ok_or_else(|| type_error("missing or invalid `rid`"))?;
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state
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.resource_table
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.close(rid)
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.ok_or_else(bad_resource_id)?;
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Ok(())
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}
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