diff options
Diffstat (limited to 'third_party/rust/guid_win')
| -rw-r--r-- | third_party/rust/guid_win/.cargo-checksum.json | 1 | ||||
| -rw-r--r-- | third_party/rust/guid_win/Cargo.toml | 40 | ||||
| -rw-r--r-- | third_party/rust/guid_win/LICENSE-APACHE | 201 | ||||
| -rw-r--r-- | third_party/rust/guid_win/LICENSE-MIT | 19 | ||||
| -rw-r--r-- | third_party/rust/guid_win/src/lib.rs | 189 |
5 files changed, 450 insertions, 0 deletions
diff --git a/third_party/rust/guid_win/.cargo-checksum.json b/third_party/rust/guid_win/.cargo-checksum.json new file mode 100644 index 0000000000..8d74f8dd1f --- /dev/null +++ b/third_party/rust/guid_win/.cargo-checksum.json @@ -0,0 +1 @@ +{"files":{"Cargo.toml":"bf6616aba7e85411a7b0287c7386b961903094a8f89bf1405c918cc6d4b01e60","LICENSE-APACHE":"b40930bbcf80744c86c46a12bc9da056641d722716c378f5659b9e555ef833e1","LICENSE-MIT":"b9b0616c8d5ca93cd2a9cce115a2a5a977b1d586b4983afa98a1ec287b9ac623","src/lib.rs":"0ce6cd46f69b40fa4153f54ef5040b733ea3be2a709f4badac3d4d6afe5a072b"},"package":"d87f4be87a557b98b4e4316f2009834f4448652938a950c1e8b33ae25f6f183b"}
\ No newline at end of file diff --git a/third_party/rust/guid_win/Cargo.toml b/third_party/rust/guid_win/Cargo.toml new file mode 100644 index 0000000000..eb537d39a2 --- /dev/null +++ b/third_party/rust/guid_win/Cargo.toml @@ -0,0 +1,40 @@ +# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO +# +# When uploading crates to the registry Cargo will automatically +# "normalize" Cargo.toml files for maximal compatibility +# with all versions of Cargo and also rewrite `path` dependencies +# to registry (e.g., crates.io) dependencies +# +# If you believe there's an error in this file please file an +# issue against the rust-lang/cargo repository. If you're +# editing this file be aware that the upstream Cargo.toml +# will likely look very different (and much more reasonable) + +[package] +name = "guid_win" +version = "0.2.0" +authors = ["Adam Gashlin <agashlin@mozilla.com>"] +description = "Windows GUID/CLSID/IID string and binary serialization" +keywords = ["windows", "com", "win32"] +categories = ["api-bindings", "os::windows-apis"] +license = "MIT/Apache-2.0" +repository = "https://github.com/agashlin/guid_win" +[package.metadata.docs.rs] +default-target = "x86_64-pc-windows-msvc" +[dependencies.comedy] +version = "0.2.0" + +[dependencies.serde] +version = "1.0.80" +optional = true + +[dependencies.serde_derive] +version = "1.0.80" +optional = true + +[dependencies.winapi] +version = "0.3.6" +features = ["combaseapi", "guiddef"] + +[features] +guid_serde = ["serde", "serde_derive"] diff --git a/third_party/rust/guid_win/LICENSE-APACHE b/third_party/rust/guid_win/LICENSE-APACHE new file mode 100644 index 0000000000..8dada3edaf --- /dev/null +++ b/third_party/rust/guid_win/LICENSE-APACHE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/third_party/rust/guid_win/src/lib.rs b/third_party/rust/guid_win/src/lib.rs new file mode 100644 index 0000000000..157df8e57a --- /dev/null +++ b/third_party/rust/guid_win/src/lib.rs @@ -0,0 +1,189 @@ +// Licensed under the Apache License, Version 2.0 +// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option. +// All files in the project carrying such notice may not be copied, modified, or distributed +// except according to those terms. + +//! Windows GUID/CLSID/IID string and binary serialization +//! +//! [`Guid`](struct.Guid.html) transparently wraps +//! [`GUID`](https://msdn.microsoft.com/en-us/library/windows/desktop/aa373931(v=vs.85).aspx). +//! +//! Implements `Display` and `FromStr` string conversion, also `Hash` and `Eq`. +//! +//! Curly braces (`{}`) are optional for `FromStr`. +//! +//! # serde # +//! +//! Use the `guid_serde` feature to derive `Serialize` and `Deserialize`, you can then +//! derive them for structs containing `GUID` like so: +//! +//! ``` +//! # fn main() {} +//! # +//! # #[cfg(feature = "guid_serde")] +//! # extern crate serde_derive; +//! # extern crate winapi; +//! # +//! # #[cfg(feature = "guid_serde")] +//! # mod test { +//! use guid_win::GUIDSerde; +//! use serde_derive::{Deserialize, Serialize}; +//! use winapi::shared::guiddef::GUID; +//! +//! #[derive(Serialize, Deserialize)] +//! struct SerdeTest { +//! #[serde(with = "GUIDSerde")] +//! guid: GUID, +//! } +//! # } +//! ``` + +extern crate comedy; +#[cfg(feature = "guid_serde")] +extern crate serde; +#[cfg(feature = "guid_serde")] +extern crate serde_derive; +extern crate winapi; + +use std::ffi::{OsStr, OsString}; +use std::fmt::{Debug, Display, Error, Formatter, Result}; +use std::hash::{Hash, Hasher}; +use std::mem; +use std::os::windows::ffi::{OsStrExt, OsStringExt}; +use std::result; +use std::str::FromStr; + +use comedy::check_succeeded; + +use winapi::ctypes; +use winapi::shared::guiddef::GUID; +use winapi::um::combaseapi::{CLSIDFromString, StringFromGUID2}; + +#[cfg(feature = "guid_serde")] +use serde_derive::{Deserialize, Serialize}; + +const GUID_STRING_CHARACTERS: usize = 38; + +#[cfg(feature = "guid_serde")] +#[allow(non_snake_case)] +#[derive(Serialize, Deserialize)] +#[serde(remote = "GUID")] +pub struct GUIDSerde { + Data1: ctypes::c_ulong, + Data2: ctypes::c_ushort, + Data3: ctypes::c_ushort, + Data4: [ctypes::c_uchar; 8], +} + +/// Wraps `GUID` +#[derive(Clone)] +#[cfg_attr(feature = "guid_serde", derive(Serialize, Deserialize))] +#[repr(transparent)] +pub struct Guid(#[cfg_attr(feature = "guid_serde", serde(with = "GUIDSerde"))] pub GUID); + +impl PartialEq for Guid { + fn eq(&self, other: &Guid) -> bool { + self.0.Data1 == other.0.Data1 + && self.0.Data2 == other.0.Data2 + && self.0.Data3 == other.0.Data3 + && self.0.Data4 == other.0.Data4 + } +} + +impl Eq for Guid {} + +impl Hash for Guid { + fn hash<H: Hasher>(&self, state: &mut H) { + self.0.Data1.hash(state); + self.0.Data2.hash(state); + self.0.Data3.hash(state); + self.0.Data4.hash(state); + } +} + +impl Debug for Guid { + fn fmt(&self, f: &mut Formatter) -> Result { + write!(f, "{:?}", unsafe { + &mem::transmute::<Guid, [u8; mem::size_of::<Guid>()]>(self.clone()) + }) + } +} + +/// Output a string via `StringFromGUID2()` +impl Display for Guid { + fn fmt(&self, f: &mut Formatter) -> Result { + let mut s: [u16; GUID_STRING_CHARACTERS + 1] = unsafe { mem::uninitialized() }; + + let len = unsafe { + StringFromGUID2( + &(*self).0 as *const _ as *mut _, + s.as_mut_ptr(), + s.len() as ctypes::c_int, + ) + }; + + if len <= 0 { + return Err(Error); + } + // len is number of characters, including the null terminator + + let s = &s[..len as usize - 1]; + // TODO: no reason to expect this to fail, maybe just unwrap() + if let Ok(s) = OsString::from_wide(&s).into_string() { + f.write_str(&s) + } else { + Err(Error) + } + } +} + +/// Read from a string via `CLSIDFromString()` +/// +/// Braces (`{}`) are added if missing. +impl FromStr for Guid { + type Err = comedy::error::HResult; + + fn from_str(s: &str) -> result::Result<Self, Self::Err> { + let mut guid = unsafe { mem::uninitialized() }; + + let braced; + let s = if s.starts_with('{') { + s + } else { + braced = format!("{{{}}}", s); + braced.as_str() + }; + let s: Vec<_> = OsStr::new(s).encode_wide().chain(Some(0)).collect(); + + unsafe { check_succeeded!(CLSIDFromString(s.as_ptr(), &mut guid)) }?; + + Ok(Guid(guid)) + } +} + +#[cfg(test)] +mod test { + use super::Guid; + use std::str::FromStr; + + #[test] + fn without_braces() { + let uuid = "F1BD1079-9F01-4BDC-8036-F09B70095066"; + let guid = Guid::from_str(uuid).unwrap(); + assert_eq!(format!("{}", guid), format!("{{{}}}", uuid)); + } + + #[test] + fn with_braces() { + let uuid = "{F1BD1079-9F01-4BDC-8036-F09B70095066}"; + let guid = Guid::from_str(uuid).unwrap(); + assert_eq!(format!("{}", guid), uuid); + } + + #[test] + fn format_error() { + let uuid = "foo"; + Guid::from_str(uuid).unwrap_err(); + } +} |