Move protocol definitions into a subfolder

1 files changed, 0 insertions, 88 deletions

diff --git a/src/data_row.zig b/src/data_row.zig
deleted file mode 100644
index 558ebca..0000000
--- a/src/data_row.zig
+++ /dev/null
@@ -1,88 +0,0 @@
-const std = @import("std");
-const log = std.log.scoped(.pgz);
-const ByteArrayList = std.ArrayList(u8);
-const ProtocolError = @import("main.zig").ProtocolError;
-const ClientError = @import("main.zig").ClientError;
-const enum_from_int = @import("main.zig").enum_from_int;
-
-pub const Tag: u8 = 'D';
-
-const DataRow = @This();
-
-buf: ?[]const u8 = null, // owned
-columns: [][]const u8, // also owned
-
-pub fn read(a: std.mem.Allocator, b: []const u8) !DataRow {
-    if (b.len < 2) return ProtocolError.InvalidMessageLength;
-    var buf = try a.dupe(u8, b);
-    var res: DataRow = undefined;
-    res.buf  = buf;
-    errdefer res.deinit(a);
-
-    const n_columns = std.mem.readIntBig(u16, buf[0..2]);
-    const columns = try a.alloc([]const u8, n_columns);
-    errdefer a.free(columns);
-    var pos: usize = 2;
-    for (0..n_columns) |col| {
-        const len = std.mem.readIntBig(u32, buf[pos..(pos+4)][0..4]); // second slice forces the slice size to be known at comptime and satisfy the type check on readIntBig!
-        const data = if (len > 0) buf[(pos+4)..(pos+4+len)] else &[_]u8{};
-        columns[col] = data;
-        pos += (4+len);
-    }
-    res.columns = columns;
-    return res;
-}
-
-pub fn write(self: DataRow, a: std.mem.Allocator, stream_writer: anytype) !void {
-    try stream_writer.writeByte(Tag);
-    var al = ByteArrayList.init(a);
-    defer al.deinit();
-    var cw = std.io.countingWriter(al.writer());
-    var writer = cw.writer();
-    try writer.writeIntBig(u32, 0); // length placeholder
-    try writer.writeIntBig(u16, @as(u16, @intCast(self.columns.len)));
-    for (self.columns) |column| {
-        const len = @as(u32, @intCast(column.len));
-        try writer.writeIntBig(u32, len);
-        try writer.writeAll(column);
-    }
-    // Fixup the length and write to the original stream
-    std.mem.writeIntBig(u32, al.items[0..4], @as(u32, @intCast(cw.bytes_written)));
-    try stream_writer.writeAll(al.items);
-}
-
-pub fn deinit(self: *DataRow, a: std.mem.Allocator) void {
-    if (self.buf != null) a.free(self.buf.?);
-    a.free(self.columns);
-}
-
-test "round trip" {
-    const allocator = std.testing.allocator;
-    const columns = try allocator.alloc([]const u8, 3);
-    columns[0] = "Hello";
-    columns[1] = "FooBar";
-    columns[2] = "";
-    var sm = DataRow{
-        .columns = columns,
-    };
-    defer sm.deinit(allocator);
-
-    var bal = ByteArrayList.init(allocator);
-    defer bal.deinit();
-    try sm.write(allocator, bal.writer());
-
-    var fbs = std.io.fixedBufferStream(bal.items);
-    var reader = fbs.reader();
-    const tag = try reader.readByte();
-    try std.testing.expectEqual(Tag, tag);
-    const len = try reader.readIntBig(u32);
-    const buf = try allocator.alloc(u8, len - 4);
-    defer allocator.free(buf);
-    try reader.readNoEof(buf);
-    var sm2 = try DataRow.read(allocator, buf);
-    defer sm2.deinit(allocator);
-
-    try std.testing.expectEqualStrings("Hello", sm2.columns[0]);
-    try std.testing.expectEqualStrings("FooBar", sm2.columns[1]);
-    try std.testing.expectEqualStrings("", sm2.columns[2]);
-}