cyo file format has been created

.envrc

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+use flake

.gitignore

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+.direnv/**
+.zig-cache/**
+zig-out/**

README.md

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+# TODO
+- cyo parser

build.zig

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+const std = @import("std");
+
+// Although this function looks imperative, note that its job is to
+// declaratively construct a build graph that will be executed by an external
+// runner.
+pub fn build(b: *std.Build) void {
+    // Standard target options allows the person running `zig build` to choose
+    // what target to build for. Here we do not override the defaults, which
+    // means any target is allowed, and the default is native. Other options
+    // for restricting supported target set are available.
+    const target = b.standardTargetOptions(.{});
+
+    // Standard optimization options allow the person running `zig build` to select
+    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
+    // set a preferred release mode, allowing the user to decide how to optimize.
+    const optimize = b.standardOptimizeOption(.{});
+
+    const exe_mod = b.createModule(.{
+        // `root_source_file` is the Zig "entry point" of the module. If a module
+        // only contains e.g. external object files, you can make this `null`.
+        // In this case the main source file is merely a path, however, in more
+        // complicated build scripts, this could be a generated file.
+        .root_source_file = b.path("src/main.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    // This creates another `std.Build.Step.Compile`, but this one builds an executable
+    // rather than a static library.
+    const exe = b.addExecutable(.{
+        .name = "cyano",
+        .root_module = exe_mod,
+    });
+
+    // This declares intent for the executable to be installed into the
+    // standard location when the user invokes the "install" step (the default
+    // step when running `zig build`).
+    b.installArtifact(exe);
+
+    // This *creates* a Run step in the build graph, to be executed when another
+    // step is evaluated that depends on it. The next line below will establish
+    // such a dependency.
+    const run_cmd = b.addRunArtifact(exe);
+
+    // By making the run step depend on the install step, it will be run from the
+    // installation directory rather than directly from within the cache directory.
+    // This is not necessary, however, if the application depends on other installed
+    // files, this ensures they will be present and in the expected location.
+    run_cmd.step.dependOn(b.getInstallStep());
+
+    // This allows the user to pass arguments to the application in the build
+    // command itself, like this: `zig build run -- arg1 arg2 etc`
+    if (b.args) |args| {
+        run_cmd.addArgs(args);
+    }
+
+    // This creates a build step. It will be visible in the `zig build --help` menu,
+    // and can be selected like this: `zig build run`
+    // This will evaluate the `run` step rather than the default, which is "install".
+    const run_step = b.step("run", "Run the app");
+    run_step.dependOn(&run_cmd.step);
+
+    const exe_unit_tests = b.addTest(.{
+        .root_module = exe_mod,
+    });
+
+    const run_exe_unit_tests = b.addRunArtifact(exe_unit_tests);
+
+    // Similar to creating the run step earlier, this exposes a `test` step to
+    // the `zig build --help` menu, providing a way for the user to request
+    // running the unit tests.
+    const test_step = b.step("test", "Run unit tests");
+    test_step.dependOn(&run_exe_unit_tests.step);
+
+    // Create Check step for zls
+    const exe_check = b.addExecutable(.{
+        .name = "cyano",
+        .root_source_file = b.path("src/main.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+    const check = b.step("check", "Check if project compiles and tests pass, used by Zig Language Server");
+    const check_unit_tests = b.addTest(.{
+        .root_module = exe_mod,
+    });
+
+    const run_check_unit_tests = b.addRunArtifact(check_unit_tests);
+
+    check.dependOn(&run_check_unit_tests.step);
+    check.dependOn(&exe_check.step);
+}

build.zig.zon

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+.{
+    // This is the default name used by packages depending on this one. For
+    // example, when a user runs `zig fetch --save <url>`, this field is used
+    // as the key in the `dependencies` table. Although the user can choose a
+    // different name, most users will stick with this provided value.
+    //
+    // It is redundant to include "zig" in this name because it is already
+    // within the Zig package namespace.
+    .name = .cyano,
+
+    // This is a [Semantic Version](https://semver.org/).
+    // In a future version of Zig it will be used for package deduplication.
+    .version = "0.0.0",
+
+    // Together with name, this represents a globally unique package
+    // identifier. This field is generated by the Zig toolchain when the
+    // package is first created, and then *never changes*. This allows
+    // unambiguous detection of one package being an updated version of
+    // another.
+    //
+    // When forking a Zig project, this id should be regenerated (delete the
+    // field and run `zig build`) if the upstream project is still maintained.
+    // Otherwise, the fork is *hostile*, attempting to take control over the
+    // original project's identity. Thus it is recommended to leave the comment
+    // on the following line intact, so that it shows up in code reviews that
+    // modify the field.
+    .fingerprint = 0x61e18e6192e69e3f, // Changing this has security and trust implications.
+
+    // Tracks the earliest Zig version that the package considers to be a
+    // supported use case.
+    .minimum_zig_version = "0.14.1",
+
+    // This field is optional.
+    // Each dependency must either provide a `url` and `hash`, or a `path`.
+    // `zig build --fetch` can be used to fetch all dependencies of a package, recursively.
+    // Once all dependencies are fetched, `zig build` no longer requires
+    // internet connectivity.
+    .dependencies = .{
+        // See `zig fetch --save <url>` for a command-line interface for adding dependencies.
+        //.example = .{
+        //    // When updating this field to a new URL, be sure to delete the corresponding
+        //    // `hash`, otherwise you are communicating that you expect to find the old hash at
+        //    // the new URL. If the contents of a URL change this will result in a hash mismatch
+        //    // which will prevent zig from using it.
+        //    .url = "https://example.com/foo.tar.gz",
+        //
+        //    // This is computed from the file contents of the directory of files that is
+        //    // obtained after fetching `url` and applying the inclusion rules given by
+        //    // `paths`.
+        //    //
+        //    // This field is the source of truth; packages do not come from a `url`; they
+        //    // come from a `hash`. `url` is just one of many possible mirrors for how to
+        //    // obtain a package matching this `hash`.
+        //    //
+        //    // Uses the [multihash](https://multiformats.io/multihash/) format.
+        //    .hash = "...",
+        //
+        //    // When this is provided, the package is found in a directory relative to the
+        //    // build root. In this case the package's hash is irrelevant and therefore not
+        //    // computed. This field and `url` are mutually exclusive.
+        //    .path = "foo",
+        //
+        //    // When this is set to `true`, a package is declared to be lazily
+        //    // fetched. This makes the dependency only get fetched if it is
+        //    // actually used.
+        //    .lazy = false,
+        //},
+    },
+
+    // Specifies the set of files and directories that are included in this package.
+    // Only files and directories listed here are included in the `hash` that
+    // is computed for this package. Only files listed here will remain on disk
+    // when using the zig package manager. As a rule of thumb, one should list
+    // files required for compilation plus any license(s).
+    // Paths are relative to the build root. Use the empty string (`""`) to refer to
+    // the build root itself.
+    // A directory listed here means that all files within, recursively, are included.
+    .paths = .{
+        "build.zig",
+        "build.zig.zon",
+        "src",
+        // For example...
+        //"LICENSE",
+        //"README.md",
+    },
+}

config/parser.cfg

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+look=[look,l]
+examine=[examine,x]
+examine==look
+
+take=[take,t]
+grab=[grab,g]
+get=[get]
+take==grab==get
+
+put=[put]
+place=[place,p]

flake.lock

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+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1751984180,
+        "narHash": "sha256-LwWRsENAZJKUdD3SpLluwDmdXY9F45ZEgCb0X+xgOL0=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "9807714d6944a957c2e036f84b0ff8caf9930bc0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "Zig flake with ZLS";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+  outputs = {
+    flake-utils,
+    nixpkgs,
+    ...
+  }:
+  flake-utils.lib.eachDefaultSystem (system: let
+    pkgs = import nixpkgs {
+      inherit system;
+    };
+  in {
+    devShell = pkgs.mkShell {
+        buildInputs = with pkgs; [
+          lldb
+          zig
+          zls
+        ];
+      };
+  });
+}

src/cyo/content.zig

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+const std = @import("std");
+
+pub const CyoContent = struct {};

src/cyo/cyo.zig

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+pub const content = @import("content.zig");

src/main.zig

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+const std = @import("std");
+const parser = @import("parser/parser.zig");
+
+pub fn main() !void {
+    // parser.ActionParser.init();
+}
+
+test "test" {
+    _ = @import("parser/parser.zig");
+}
+// test "simple test" {
+//     var list = std.ArrayList(i32).init(std.testing.allocator);
+//     defer list.deinit(); // Try commenting this out and see if zig detects the memory leak!
+//     try list.append(42);
+//     try std.testing.expectEqual(@as(i32, 42), list.pop());
+// }
+
+// test "fuzz example" {
+//     const Context = struct {
+//         fn testOne(context: @This(), input: []const u8) anyerror!void {
+//             _ = context;
+//             // Try passing `--fuzz` to `zig build test` and see if it manages to fail this test case!
+//             try std.testing.expect(!std.mem.eql(u8, "jaciXO", input));
+//         }
+//     };
+//     try std.testing.fuzz(Context{}, Context.testOne, .{});
+// }

src/parser/action_config.zig

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+const std = @import("std");
+const helpers = @import("parser_helpers.zig");
+
+pub const ConfigError = error{ FileNotFound, OpenFileError };
+
+pub const ActionConfig = struct {
+    allocator: std.mem.Allocator,
+    actions: std.ArrayList(std.StringHashMap([]const u8)),
+    ok: bool = false,
+
+    pub fn init(allocator: std.mem.Allocator, reader: std.io.AnyReader) ActionConfig {
+        _ = reader;
+        // const actions = parseConfig(allocator, reader);
+        const actions = std.ArrayList(std.StringHashMap([]const u8)).init(allocator);
+        return .{ .allocator = allocator, .actions = actions, .ok = true };
+    }
+
+    pub fn deinit(this: *ActionConfig) void {
+        this.actions.deinit();
+    }
+
+    pub fn initFromFilePath(allocator: std.mem.Allocator, path: []const u8) ConfigError!ActionConfig {
+        const file = std.fs.cwd().openFile(path, .{.read_only}) catch |err| {
+            switch (err) {
+                std.fs.File.OpenError.FileNotFound => {
+                    return ConfigError.FileNotFound;
+                },
+                else => {
+                    std.debug.print("Encountered unexpected openfile error: {a}", .{err});
+                    return ConfigError.OpenFileError;
+                },
+            }
+        };
+        defer file.close();
+
+        const actions = std.ArrayList(std.StringHashMap([]const u8)).init(allocator);
+        return .{ .allocator = allocator, .actions = actions, .ok = true };
+    }
+
+    // fn parseConfig(allocator: std.mem.Allocator, reader: std.io.AnyReader) !std.ArrayList(std.StringHashMap(std.ArrayList([]const u8))) {
+    // }
+};
+
+test "config ok" {
+    const allocator = std.testing.allocator;
+    const configReader = helpers.readerFromString(
+        \\ look=[L,Look]
+    );
+
+    const config = ActionConfig.init(
+        allocator,
+        configReader,
+    );
+
+    try std.testing.expect(config.ok);
+}
+
+test "config bad" {}

src/parser/cyo_parser.zig

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+const std = @import("std");
+const CyoContent = @import("../cyo/content.zig");
+
+pub const CyoParser = struct {
+    allocator: std.mem.Allocator,
+    cyo_content: CyoContent,
+
+    pub fn init(allocator: std.mem.Allocator, source_path: ?std.fs.path) CyoParser {
+        var cyo_content = try parseCyoFiles(allocator, source_path);
+        return .{ .allocator = allocator, .cyo_content = cyo_content };
+    }
+
+    fn parseCyoFiles(allocator: std.mem.Allocator, source_path: ?std.fs.path) CyoParser {
+        // 1. get all cyo files
+        // 2. process files
+        // 2a. lexical - validate file syntax
+        // 2b. syntactic parsing
+        // 2c. semantic - create objects and scenes
+        // 2d. evaluate - find missing or cyclical links
+    }
+};

src/parser/input_parser.zig

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+const std = @import("std");
+const helpers = @import("parser_helpers.zig");
+const ActionConfig = @import("action_config.zig").ActionConfig;
+
+pub const InputParser = struct {
+    allocator: std.mem.Allocator,
+    config: ActionConfig,
+    content: ?[]const u8,
+
+    pub fn init(allocator: std.mem.Allocator, configReader: std.io.AnyReader) !InputParser {
+        const config = ActionConfig.init(allocator, configReader);
+        return .{ .allocator = allocator, .config = config, .content = null };
+    }
+
+    pub fn deinit(self: *InputParser) void {
+        self.config.deinit();
+    }
+
+    pub fn parse(this: *InputParser, content: std.io.AnyReader) !ActionResult {
+        const lines = try content.readAllAlloc(this.allocator, 2048);
+        this.content = lines;
+        return ActionResult{};
+    }
+};
+
+pub const ActionResult = struct {
+    // std.ArrayList()
+};
+
+test "init no-op" {
+    const allocator = std.testing.allocator;
+    const reader = helpers.readerFromString("");
+
+    var parser = try InputParser.init(allocator, reader);
+    _ = parser.parse(helpers.readerFromString("")) catch {
+        try std.testing.expect(false);
+    };
+}
+
+// test "basic command" {
+//     const allocator = std.testing.allocator_instance;
+
+//     var parser = ActionParser.init(
+//         allocator,
+//     );
+//     var result = try parser.parse("Look");
+//     std.testing.expectEqual(
+//         result,
+//         .ParseResult{},
+//     );
+// }
+
+// test "noun" {
+//     const allocator = std.testing.allocator_instance;
+
+//     var parser = ActionParser.init(
+//         allocator,
+//     );
+//     var result = try parser.parse("Backpack");
+//     std.testing.expectEqual(
+//         result,
+//         .ParseResult{},
+//     );
+// }
+
+// test "basic suggestion" {
+//     const allocator = std.testing.allocator_instance;
+
+//     var parser = ActionParser.init(
+//         allocator,
+//     );
+//     var result = try parser.parse("Look at ky");
+//     std.testing.expectEqual(
+//         SubjectSuggestion("key"),
+//         result.suggestions[0],
+//     );
+// }

src/parser/parser.zig

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+pub const input = @import("input_parser.zig");
+pub const cyo = @import("cyo_parser.zig");

src/parser/parser_helpers.zig

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+const std = @import("std");
+
+pub fn readerFromString(input: []const u8) std.io.AnyReader {
+    var reader = std.io.fixedBufferStream(input);
+    return reader.reader().any();
+}
+
+pub fn toLower(alloc: std.mem.Allocator, input: []const u8) ![]const u8 {
+    var lowered = try alloc.alloc(u8, input.len);
+    for (0..input.len) |i| {
+        lowered[i] = std.ascii.toLower(input[i]);
+    }
+    return lowered;
+}
+
+test "toLower" {
+    const lowered = try toLower(std.testing.allocator, "LOWER");
+    defer std.testing.allocator.free(lowered);
+    try std.testing.expectEqualStrings("lower", lowered);
+
+    const lowered2 = try toLower(std.testing.allocator, "LOWER123");
+    defer std.testing.allocator.free(lowered2);
+    try std.testing.expectEqualStrings("lower123", lowered2);
+
+    const lowered3 = try toLower(std.testing.allocator, "LoWeR");
+    defer std.testing.allocator.free(lowered3);
+    try std.testing.expectEqualStrings("lower", lowered3);
+
+    const lowered4 = try toLower(std.testing.allocator, "__LOWER!%*(#!@)");
+    defer std.testing.allocator.free(lowered4);
+    try std.testing.expectEqualStrings("__lower!%*(#!@)", lowered4);
+}

srv/items.cy

@@ -0,0 +1,4 @@
+[Duct Tape]
+d:The tape that does it all.
+
+[Flash Light]

srv/main.cy

@@ -0,0 +1,17 @@
+[Warehouse]
+
+Your vision blurs as you fumble for the tablet. The glow of your fingers is nearly gone. The salty tablet is the last
+sensation before everything goes dark.
+
+---
+
+You awaken. How long has it been? Thanks to your dull glow, you can read the clock on the wall. 8:36. Only a few hours.
+Thank God you brought one with you. <p1> But its not a cure, just a band-aid. <p4> Time is ticking. <p1> You've got 24 hours
+to breathe, better get back before then.
+
+[Warehouse.d]
+It might have been an Amazon warehouse. Everything seems sacked. Empty shelves twist in some corporate labrynth before you.
+Would have been nice to have something to show for this trip. But information isn't useless.
+
+[Warehouse.i]
+Duct Tape