Nomad changes

docs/snippets/zig/metadata/metadata.md

@@ -0,0 +1,65 @@
+```zig title="Zig"
+const std = @import("std");
+const kreuzberg = @import("kreuzberg");
+
+pub fn main() !void {
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    defer _ = gpa.deinit();
+    const allocator = gpa.allocator();
+
+    const config_json = "{}";
+    const result_json = try kreuzberg.extract_file_sync("document.pdf", null, config_json);
+    defer std.heap.c_allocator.free(result_json);
+
+    var parsed = try std.json.parseFromSlice(std.json.Value, allocator, result_json, .{});
+    defer parsed.deinit();
+
+    const root = parsed.value;
+    if (root != .object) return;
+
+    const stdout = std.io.getStdOut().writer();
+
+    if (root.object.get("metadata")) |metadata_val| {
+        if (metadata_val != .object) return;
+        const metadata = metadata_val.object;
+
+        if (metadata.get("title")) |title_val| {
+            if (title_val == .string) {
+                try stdout.print("Title: {s}\n", .{title_val.string});
+            }
+        }
+
+        if (metadata.get("authors")) |authors_val| {
+            if (authors_val == .array) {
+                for (authors_val.array.items) |author| {
+                    if (author == .string) {
+                        try stdout.print("Author: {s}\n", .{author.string});
+                    }
+                }
+            }
+        }
+
+        if (metadata.get("language")) |language_val| {
+            if (language_val == .string) {
+                try stdout.print("Language: {s}\n", .{language_val.string});
+            }
+        }
+
+        if (metadata.get("created_at")) |created_val| {
+            if (created_val == .string) {
+                try stdout.print("Created: {s}\n", .{created_val.string});
+            }
+        }
+
+        if (metadata.get("pages")) |pages_val| {
+            if (pages_val == .object) {
+                if (pages_val.object.get("total_count")) |total_val| {
+                    if (total_val == .integer) {
+                        try stdout.print("Pages: {d}\n", .{total_val.integer});
+                    }
+                }
+            }
+        }
+    }
+}
+```