Update.

2026-01-25 22:09:29 +01:00
parent 1ee28a1644
commit a59dbe1d55
27 changed files with 3435 additions and 2 deletions
@@ -0,0 +1,105 @@
+// retoor <retoor@molodetz.nl>
+
+import "yaml" for Yaml
+
+System.print("=== YAML Module Demo ===\n")
+
+System.print("--- Basic Parsing ---")
+var simple = Yaml.parse("name: Wren-CLI\nversion: 0.4.0")
+System.print("Name: %(simple["name"])")
+System.print("Version: %(simple["version"])")
+
+System.print("\n--- Nested Structures ---")
+var nested = "
+database:
+  host: localhost
+  port: 5432
+  credentials:
+    user: admin
+    password: secret
+"
+var config = Yaml.parse(nested)
+System.print("Host: %(config["database"]["host"])")
+System.print("Port: %(config["database"]["port"])")
+System.print("User: %(config["database"]["credentials"]["user"])")
+
+System.print("\n--- Lists ---")
+var listYaml = "
+languages:
+  - Wren
+  - C
+  - Python
+"
+var langs = Yaml.parse(listYaml)
+System.print("Languages:")
+for (lang in langs["languages"]) {
+  System.print("  - %(lang)")
+}
+
+System.print("\n--- Complex Structure (Navigation) ---")
+var navYaml = "
+sections:
+  - title: Getting Started
+    pages:
+      - file: index
+        title: Overview
+      - file: installation
+        title: Installation
+  - title: API Reference
+    pages:
+      - file: yaml
+        title: yaml
+"
+var nav = Yaml.parse(navYaml)
+for (section in nav["sections"]) {
+  System.print("Section: %(section["title"])")
+  for (page in section["pages"]) {
+    System.print("  - %(page["title"]) (%(page["file"]))")
+  }
+}
+
+System.print("\n--- Data Types ---")
+var types = "
+string: hello world
+number: 42
+float: 3.14159
+bool_true: true
+bool_false: false
+null_value: null
+quoted: \"with spaces\"
+"
+var data = Yaml.parse(types)
+System.print("String: %(data["string"]) (%(data["string"].type))")
+System.print("Number: %(data["number"]) (%(data["number"].type))")
+System.print("Float: %(data["float"]) (%(data["float"].type))")
+System.print("Bool true: %(data["bool_true"]) (%(data["bool_true"].type))")
+System.print("Bool false: %(data["bool_false"]) (%(data["bool_false"].type))")
+System.print("Null: %(data["null_value"])")
+System.print("Quoted: %(data["quoted"])")
+
+System.print("\n--- Stringify ---")
+var obj = {
+  "name": "Example",
+  "count": 42,
+  "active": true,
+  "items": ["one", "two", "three"],
+  "nested": {
+    "key": "value"
+  }
+}
+System.print("Serialized:")
+System.print(Yaml.stringify(obj))
+
+System.print("\n--- Round-trip ---")
+var original = "
+title: Test
+items:
+  - first
+  - second
+"
+var parsed = Yaml.parse(original)
+var reserialized = Yaml.stringify(parsed)
+var reparsed = Yaml.parse(reserialized)
+System.print("Original title: %(parsed["title"])")
+System.print("Reparsed title: %(reparsed["title"])")
+System.print("Items match: %(parsed["items"][0] == reparsed["items"][0])")