33 lines
1.0 KiB
Zig
33 lines
1.0 KiB
Zig
const std = @import("../std.zig");
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const InStream = std.io.InStream;
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pub fn SeekableStream(comptime SeekErrorType: type, comptime GetSeekPosErrorType: type) type {
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return struct {
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const Self = @This();
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pub const SeekError = SeekErrorType;
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pub const GetSeekPosError = GetSeekPosErrorType;
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seekToFn: fn (self: *Self, pos: u64) SeekError!void,
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seekForwardFn: fn (self: *Self, pos: i64) SeekError!void,
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getPosFn: fn (self: *Self) GetSeekPosError!u64,
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getEndPosFn: fn (self: *Self) GetSeekPosError!u64,
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pub fn seekTo(self: *Self, pos: u64) SeekError!void {
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return self.seekToFn(self, pos);
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}
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pub fn seekForward(self: *Self, amt: i64) SeekError!void {
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return self.seekForwardFn(self, amt);
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}
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pub fn getEndPos(self: *Self) GetSeekPosError!u64 {
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return self.getEndPosFn(self);
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}
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pub fn getPos(self: *Self) GetSeekPosError!u64 {
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return self.getPosFn(self);
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}
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};
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}
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