36 lines
1.1 KiB
Zig
36 lines
1.1 KiB
Zig
const std = @import("../std.zig");
|
|
|
|
pub fn SeekableStream(
|
|
comptime Context: type,
|
|
comptime SeekErrorType: type,
|
|
comptime GetSeekPosErrorType: type,
|
|
comptime seekToFn: fn (context: Context, pos: u64) SeekErrorType!void,
|
|
comptime seekByFn: fn (context: Context, pos: i64) SeekErrorType!void,
|
|
comptime getPosFn: fn (context: Context) GetSeekPosErrorType!u64,
|
|
comptime getEndPosFn: fn (context: Context) GetSeekPosErrorType!u64,
|
|
) type {
|
|
return struct {
|
|
context: Context,
|
|
|
|
const Self = @This();
|
|
pub const SeekError = SeekErrorType;
|
|
pub const GetSeekPosError = GetSeekPosErrorType;
|
|
|
|
pub fn seekTo(self: Self, pos: u64) SeekError!void {
|
|
return seekToFn(self.context, pos);
|
|
}
|
|
|
|
pub fn seekBy(self: Self, amt: i64) SeekError!void {
|
|
return seekByFn(self.context, amt);
|
|
}
|
|
|
|
pub fn getEndPos(self: Self) GetSeekPosError!u64 {
|
|
return getEndPosFn(self.context);
|
|
}
|
|
|
|
pub fn getPos(self: Self) GetSeekPosError!u64 {
|
|
return getPosFn(self.context);
|
|
}
|
|
};
|
|
}
|