Nomad changes

docs/snippets/zig/advanced/keyword_extraction_example.md

@@ -0,0 +1,51 @@
+```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 =
+        \\{
+        \\  "keywords": {
+        \\    "algorithm": "yake",
+        \\    "max_keywords": 10,
+        \\    "min_score": 0.3,
+        \\    "ngram_range": [1, 3]
+        \\  }
+        \\}
+    ;
+
+    const result_json = try kreuzberg.extract_file_sync("research_paper.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();
+
+    const keywords_val = root.object.get("extracted_keywords") orelse return;
+    if (keywords_val != .array) return;
+
+    for (keywords_val.array.items) |keyword| {
+        if (keyword != .object) continue;
+
+        const text_val = keyword.object.get("text") orelse continue;
+        const score_val = keyword.object.get("score") orelse continue;
+        if (text_val != .string) continue;
+
+        const score: f64 = switch (score_val) {
+            .float => |f| f,
+            .integer => |i| @floatFromInt(i),
+            else => continue,
+        };
+
+        try stdout.print("{s}: {d:.4}\n", .{ text_val.string, score });
+    }
+}
+```