Struct VirtualSourceTree

pub struct VirtualSourceTree { /* private fields */ }

An implementation of SourceTree which stores files in memory.

Implementations

impl VirtualSourceTree

pub fn new() -> Pin<Box<VirtualSourceTree>>

Creates a new virtual source tree.

pub fn add_file(self: Pin<&mut Self>, filename: &Path, contents: Vec<u8>)

Adds a file to the source tree with the specified name and contents.

pub fn map_well_known_types(self: Pin<&mut Self>)

Maps the well-known protobuf types to the source tree.

This method adds all well-known type .proto files (like google/protobuf/any.proto, google/protobuf/timestamp.proto, etc.) to the virtual source tree, making them available for import.

The proto files are embedded at compile time, so this method works even if the protobuf include directory is not available at runtime.

Example

use std::path::Path;
use protobuf_native::compiler::VirtualSourceTree;

let mut source_tree = VirtualSourceTree::new();
source_tree.as_mut().map_well_known_types();
source_tree.as_mut().add_file(
    Path::new("my.proto"),
    b"syntax = \"proto3\";\nimport \"google/protobuf/timestamp.proto\";\n".to_vec(),
);
// Now my.proto can import well-known types

Trait Implementations

impl Drop for VirtualSourceTree

fn drop(&mut self)

Executes the destructor for this type.

impl SourceTree for VirtualSourceTree

fn open<'a>( self: Pin<&'a mut Self>, filename: &Path, ) -> Result<Pin<Box<DynZeroCopyInputStream<'a>>>, FileOpenError>

Opens the given file and return a stream that reads it.