authorgravatar for hello@nektro.netMeghan Denny <hello@nektro.net> 2023-04-27 19:10:43 -07:00
committergravatar for hello@nektro.netMeghan Denny <hello@nektro.net> 2023-04-27 19:10:43 -07:00
logab64fd7cb1a8e94e038a90578f933d095599b36f
tree9b1b4756d2c2547b9619cf7d3f27885670882f79
parentd4f5ccc9c45aee4f6a91058931fb4dbe5384471a

properly interperet Object.mode

1 files changed, 59 insertions(+), 3 deletions(-)

git.zig+59-3
...@@ -89,7 +89,7 @@ pub fn parseTree(alloc: std.mem.Allocator, treefile: string) !Tree {...@@ -89,7 +89,7 @@ pub fn parseTree(alloc: std.mem.Allocator, treefile: string) !Tree {
8989
90 while (iter.next()) |line| {90 while (iter.next()) |line| {
91 var jter = std.mem.split(u8, line, " ");91 var jter = std.mem.split(u8, line, " ");
92 const mode = try std.fmt.parseInt(u32, jter.next().?, 10);92 const mode = jter.next().?;
93 const otype = std.meta.stringToEnum(Tree.Object.Id.Tag, jter.next().?).?;93 const otype = std.meta.stringToEnum(Tree.Object.Id.Tag, jter.next().?).?;
94 const id_and_name = jter.next().?;94 const id_and_name = jter.next().?;
95 std.debug.assert(jter.next() == null);95 std.debug.assert(jter.next() == null);
...@@ -101,7 +101,12 @@ pub fn parseTree(alloc: std.mem.Allocator, treefile: string) !Tree {...@@ -101,7 +101,12 @@ pub fn parseTree(alloc: std.mem.Allocator, treefile: string) !Tree {
101 inline for (std.meta.fields(Tree.Object.Id)) |item| {101 inline for (std.meta.fields(Tree.Object.Id)) |item| {
102 if (std.mem.eql(u8, item.name, @tagName(otype))) {102 if (std.mem.eql(u8, item.name, @tagName(otype))) {
103 try children.append(.{103 try children.append(.{
104 .mode = mode,104 .mode = .{
105 .type = @intToEnum(Tree.Object.Type, try std.fmt.parseInt(u16, mode[0..3], 10)),
106 .perm_user = @bitCast(Tree.Object.Perm, try std.fmt.parseInt(u3, mode[3..][0..1], 8)),
107 .perm_group = @bitCast(Tree.Object.Perm, try std.fmt.parseInt(u3, mode[4..][0..1], 8)),
108 .perm_other = @bitCast(Tree.Object.Perm, try std.fmt.parseInt(u3, mode[5..][0..1], 8)),
109 },
105 .id = @unionInit(Tree.Object.Id, item.name, item.type{ .id = id }),110 .id = @unionInit(Tree.Object.Id, item.name, item.type{ .id = id }),
106 .name = name,111 .name = name,
107 });112 });
...@@ -132,7 +137,7 @@ pub const Tree = struct {...@@ -132,7 +137,7 @@ pub const Tree = struct {
132 }137 }
133138
134 pub const Object = struct {139 pub const Object = struct {
135 mode: u32, // git allegedly only uses a specific set of these. should it be an enum?140 mode: Mode,
136 id: @This().Id,141 id: @This().Id,
137 name: string,142 name: string,
138143
...@@ -143,5 +148,56 @@ pub const Tree = struct {...@@ -143,5 +148,56 @@ pub const Tree = struct {
143148
144 pub const Tag = std.meta.Tag(@This());149 pub const Tag = std.meta.Tag(@This());
145 };150 };
151
152 pub const Mode = struct {
153 type: Type,
154 perm_user: Perm,
155 perm_group: Perm,
156 perm_other: Perm,
157
158 pub fn format(self: Mode, comptime fmt: string, options: std.fmt.FormatOptions, writer: anytype) !void {
159 _ = fmt;
160 _ = options;
161
162 try writer.print("{}", .{self.type});
163 try writer.print("{}", .{self.perm_user});
164 try writer.print("{}", .{self.perm_group});
165 try writer.print("{}", .{self.perm_other});
166 }
167 };
168
169 pub const Type = enum(u16) {
170 file = 100,
171 directory = 40,
172 submodule = 160,
173 _,
174
175 pub fn format(self: Type, comptime fmt: string, options: std.fmt.FormatOptions, writer: anytype) !void {
176 _ = fmt;
177 _ = options;
178
179 try writer.writeByte(switch (self) {
180 .file => '-',
181 .directory => 'd',
182 .submodule => 'm',
183 _ => '?',
184 });
185 }
186 };
187
188 pub const Perm = packed struct(u3) {
189 execute: bool,
190 write: bool,
191 read: bool,
192
193 pub fn format(self: Perm, comptime fmt: string, options: std.fmt.FormatOptions, writer: anytype) !void {
194 _ = fmt;
195 _ = options;
196
197 try writer.writeByte(if (self.read) 'r' else '-');
198 try writer.writeByte(if (self.write) 'w' else '-');
199 try writer.writeByte(if (self.execute) 'x' else '-');
200 }
201 };
146 };202 };
147};203};