Working initial version with linux and firefox limitation, added ref and std subcommands

src/main.zig

@@ -10,12 +10,14 @@ pub const ZIM_BUILD = 1;
 
 /// The availble arguments for the ZiM program
 const Args = enum(u8) {
+    gir,
     help,
     init,
     install,
     list,
+    ref,
+    std,
     use,
-    gir,
     version,
 };
 
@@ -41,6 +43,8 @@ fn get_arg_parse_type(arg: Args) ArgType {
         .init => ArgType.single,
         .install => ArgType.expectsOneParam,
         .list => ArgType.expectsOneParam,
+        .ref => ArgType.single,
+        .std => ArgType.single,
         .use => ArgType.expectsOneParam,
         .version => ArgType.single,
     };
@@ -54,8 +58,10 @@ fn command_desc(arg: Args) string {
         .init => "  init\t\tAdds the necessary PATH to the system env",
         .install => "  install\tInstall the zig version",
         .list => "  list\t\tLists all versions available on the system",
+        .ref => "  ref\t\tOpens the zig lang reference",
+        .std => "  std\t\tOpens the std docs for the current zig version",
         .use => "  use\t\tSets the active version of zig to use",
-        .version => "  version\t\tPrint out the zim version you are using",
+        .version => "  version\tPrint out the zim version you are using",
     };
 }
 
@@ -106,7 +112,7 @@ fn show_context_help(arg: Args) void {
                 \\
             , .{});
         },
-        .gir, .help, .init, .version => {
+        .gir, .help, .init, .ref, .std, .version => {
             return;
         },
     }
@@ -124,25 +130,11 @@ fn do_arg_action(allocator: std.mem.Allocator, arg: Args, param: ?[]const u8) vo
         .init => {
             zim.init(allocator) catch |err| {
                 std.debug.print("Error running `init`\n{any}\n", .{err});
+                std.os.exit(1);
             };
-            std.os.exit(1);
+            std.os.exit(0);
             return;
         },
-        .version => {
-            const ver = versionStr(allocator) catch {
-                std.debug.print("Error getting version\n", .{});
-                return;
-            };
-            defer allocator.free(ver);
-
-            if (param) |command| {
-                std.debug.print("{s}\nRunning ZiM Version {s}\n", .{ command, ver });
-            } else {
-                std.debug.print("Running ZiM Version {s}\n", .{ver});
-            }
-
-            utils.printGir();
-        },
         .install => {
             if (param == null) {
                 std.debug.print("Error: Expected index or version name to follow.\nRun `zim install help` for details.\n\n", .{});
@@ -181,6 +173,21 @@ fn do_arg_action(allocator: std.mem.Allocator, arg: Args, param: ?[]const u8) vo
                 std.os.exit(1);
             };
         },
+        .ref => {
+            zim.open_ref(allocator) catch |err| {
+				std.debug.print("Error running `ref`\n{any}\n", .{err});
+				std.os.exit(1);
+            };
+            std.os.exit(0);
+            return;
+        },
+        .std => {
+            zim.open_std(allocator) catch |err| {
+          		std.debug.print("Error running `ref`\n{any}\n", .{err});
+				std.os.exit(1);
+           };
+           std.os.exit(0);
+        },
         .use => {
             if (param == null) {
                 std.debug.print("Error: Expected version or index to follow.\nRun `zim use help` for details.\n\n", .{});
@@ -197,6 +204,21 @@ fn do_arg_action(allocator: std.mem.Allocator, arg: Args, param: ?[]const u8) vo
                 std.os.exit(1);
             };
         },
+        .version => {
+            const ver = versionStr(allocator) catch {
+                std.debug.print("Error getting version\n", .{});
+                return;
+            };
+            defer allocator.free(ver);
+
+            if (param) |command| {
+                std.debug.print("{s}\nRunning ZiM Version {s}\n", .{ command, ver });
+            } else {
+                std.debug.print("Running ZiM Version {s}\n", .{ver});
+            }
+
+            utils.printGir();
+        },
     }
 }
 

src/zim.zig

@@ -115,7 +115,7 @@ fn getLocalVersionsList(
 fn getRemoteVersionsSlice(allocator: std.mem.Allocator) ZimError![]const ZigVersion {
     // Check local file first for chached network call first
     const zim_dir = try openZimDir(allocator);
-    const now = @as(i128, @intCast(std.time.timestamp())) * 1000 * 1000;
+    const now = @as(i128, @intCast(std.time.timestamp())) * 1000 * 1000 * 1000;
     const yesterday = now - (24 * 60 * 60 * 1000 * 1000);
     var remote_versions_file = zim_dir.createFile("versions/remote_versions.json", .{ .read = true, .truncate = false }) catch {
         return ZimError.BadIO;
@@ -129,14 +129,16 @@ fn getRemoteVersionsSlice(allocator: std.mem.Allocator) ZimError![]const ZigVers
         return ZimError.BadIO;
     };
 
+    // std.debug.print("Got times modified: {any}, yesterday: {any}\n", .{file_metadata.modified(), yesterday});
     if (file_metadata.modified() > yesterday) {
+        // std.debug.print("Getting cached result\n", .{});
         body = remote_versions_file.readToEndAlloc(allocator, SIXTY_FOUR_KILOBYTES) catch |err| {
             std.debug.print("Could not read remote versions file: {any}\n", .{err});
             return ZimError.Unexpected;
         };
     }
     if (body.len == 0) {
-        std.debug.print("No cached versions, getting remote versions\n", .{});
+        // std.debug.print("No cached versions, getting remote versions\n", .{});
 
         // Otherwise, make network call and parse
         const versions_json_url = "https://ziglang.org/download/index.json";
@@ -506,7 +508,7 @@ pub fn list(allocator: std.mem.Allocator, param: string) !void {
                     std.debug.print("  [{d}]\tzig-{s}\n", .{ index, remote_version.version_string });
                 }
             }
-            std.debug.print("\nZig versions can be installed using `zim install <version or index>`\n\n", .{});
+            std.debug.print("\nZig versions can be installed using `zim install <index>`\n\n", .{});
             return;
         },
     }
@@ -517,3 +519,54 @@ pub fn init(allocator: std.mem.Allocator) !void {
     _ = allocator;
     return ZimError.NotImplemented;
 }
+
+/// Runs the `ref` subcommand
+pub fn open_ref(allocator: std.mem.Allocator) !void {
+    const ref_path = "~/.config/zim/bin/zig/doc/langref.html";
+
+    var zig_ver_res = std.ChildProcess.exec(.{.allocator = allocator, .argv = &.{ "zig", "version" }, .max_output_bytes = 100},) catch |err| {
+		std.debug.print("Error executing `zig version`: {any}\n", .{err});
+		return ZimError.Unexpected;
+    };
+    defer allocator.free(zig_ver_res.stdout);
+    defer allocator.free(zig_ver_res.stderr);
+
+    if (zig_ver_res.term != .Exited) {
+        std.debug.print("Expected `zig version` to exit, instead got {any}\n", .{zig_ver_res.term});
+        return ZimError.Unexpected;
+    }
+    const zig_ver = zig_ver_res.stdout[0..zig_ver_res.stdout.len - 1];
+    std.debug.print("Opening language reference for zig-{s}...\n", .{zig_ver});
+
+    var proc = std.ChildProcess.init(&.{ "firefox", ref_path }, allocator);
+    _ = proc.spawn() catch |err| {
+        std.debug.print("Error while opening browser with local language reference\n{any}\n", .{err});
+        return ZimError.Unexpected;
+    };
+    return;
+}
+
+pub fn open_std(allocator: std.mem.Allocator) !void {
+     const std_path = "~/.config/zim/bin/zig/doc/std/index.html";
+
+    var zig_ver_res = std.ChildProcess.exec(.{.allocator = allocator, .argv = &.{ "zig", "version" }, .max_output_bytes = 100},) catch |err| {
+		std.debug.print("Error executing `zig version`: {any}\n", .{err});
+		return ZimError.Unexpected;
+    };
+    defer allocator.free(zig_ver_res.stdout);
+    defer allocator.free(zig_ver_res.stderr);
+
+    if (zig_ver_res.term != .Exited) {
+        std.debug.print("Expected `zig version` to exit, instead got {any}\n", .{zig_ver_res.term});
+        return ZimError.Unexpected;
+    }
+    const zig_ver = zig_ver_res.stdout[0..zig_ver_res.stdout.len - 1];
+    std.debug.print("Opening zig-{s} std lib docs...\n", .{zig_ver});
+
+    var proc = std.ChildProcess.init(&.{ "firefox", std_path }, allocator);
+    _ = proc.spawn() catch |err| {
+        std.debug.print("Error while opening browser with local language reference\n{any}\n", .{err});
+        return ZimError.Unexpected;
+    };
+    return;
+}