33 lines
1.0 KiB
Zig
33 lines
1.0 KiB
Zig
|
const std = @import("../index.zig");
|
||
|
const InStream = std.io.InStream;
|
||
|
|
||
|
pub fn SeekableStream(comptime SeekErrorType: type, comptime GetSeekPosErrorType: type) type {
|
||
|
return struct {
|
||
|
const Self = @This();
|
||
|
pub const SeekError = SeekErrorType;
|
||
|
pub const GetSeekPosError = GetSeekPosErrorType;
|
||
|
|
||
|
seekToFn: fn (self: *Self, pos: usize) SeekError!void,
|
||
|
seekForwardFn: fn (self: *Self, pos: isize) SeekError!void,
|
||
|
|
||
|
getPosFn: fn (self: *Self) GetSeekPosError!usize,
|
||
|
getEndPosFn: fn (self: *Self) GetSeekPosError!usize,
|
||
|
|
||
|
pub fn seekTo(self: *Self, pos: usize) SeekError!void {
|
||
|
return self.seekToFn(self, pos);
|
||
|
}
|
||
|
|
||
|
pub fn seekForward(self: *Self, amt: isize) SeekError!void {
|
||
|
return self.seekForwardFn(self, amt);
|
||
|
}
|
||
|
|
||
|
pub fn getEndPos(self: *Self) GetSeekPosError!usize {
|
||
|
return self.getEndPosFn(self);
|
||
|
}
|
||
|
|
||
|
pub fn getPos(self: *Self) GetSeekPosError!usize {
|
||
|
return self.getPosFn(self);
|
||
|
}
|
||
|
};
|
||
|
}
|