[feat] basic steam user parse

todo: steamid32 + avatar

src-tauri/src/vdf/parse.rs

@@ -0,0 +1,84 @@
+pub fn to_json(vdf_data: &str) -> String {
+    let linebreak = match std::env::consts::OS {
+        "macos" => "\r",
+        "windows" => "\n",
+        "linux" => "\n",
+        _ => "\n",
+    };
+
+    let startpoint = vdf_data.find('{').unwrap_or(0);
+    let vdf_data = &vdf_data[startpoint..];
+
+    let lines: Vec<&str> = vdf_data.split(linebreak).collect();
+    let mut json_data = String::new();
+
+    for line in lines {
+        let mut line = line.trim_end_matches('\r').trim().to_string();
+
+        if line.contains("\"\t\t\"") {
+            line = line.replace("\"\t\t\"", "\": \"");
+            line.push(',');
+        } else if line.contains("\" \"") {
+            line = line.replace("\" \"", "\": \"");
+            line.push(',');
+        }
+
+        line = line
+            .replace('{', ": {")
+            .replace('\t', "")
+            .replace('}', "},");
+
+        json_data.push_str(&line);
+    }
+
+    json_data = json_data
+        .replace(",}", "}")
+        .trim_start_matches(": ")
+        .trim_end_matches(',')
+        .to_string();
+
+    json_data
+}
+
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_to_json() {
+        let vdf_data = "\"users\"
+        {
+            \"76561198315078806\"
+            {
+                \"AccountName\"		\"_jerry_dota2\"
+                \"PersonaName\"		\"Rop紫（已黑化）\"
+                \"RememberPassword\"		\"1\"
+                \"WantsOfflineMode\"		\"0\"
+                \"SkipOfflineModeWarning\"		\"0\"
+                \"AllowAutoLogin\"		\"1\"
+                \"MostRecent\"		\"1\"
+                \"Timestamp\"		\"1742706884\"
+            }
+            \"76561198107125441\"
+            {
+                \"AccountName\"		\"_im_ai_\"
+                \"PersonaName\"		\"Buongiorno\"
+                \"RememberPassword\"		\"1\"
+                \"WantsOfflineMode\"		\"0\"
+                \"SkipOfflineModeWarning\"		\"0\"
+                \"AllowAutoLogin\"		\"1\"
+                \"MostRecent\"		\"0\"
+                \"Timestamp\"		\"1739093763\"
+            }
+        }
+";
+
+        // let expected_json = r#"{"key1": "value1","key2": "value2","subkey": {"key3": "value3"}}"#;
+        let json_data = to_json(vdf_data);
+
+        // 解析json
+        let json_value: serde_json::Value = serde_json::from_str(&json_data).unwrap();
+
+        println!("{}", json_value)
+        // assert_eq!(to_json(vdf_data), expected_json);
+    }
+}