feat: add getSupportedModes method to retrieve supported radio modes

Author: boybook

index.d.ts

@@ -482,6 +482,15 @@ declare class HamLib {
    */
   getSupportedFunctions(): string[];
 
+  /**
+   * Get list of supported radio modes
+   * @returns Array of supported mode strings
+   * @example
+   * const modes = rig.getSupportedModes();
+   * console.log('Supported modes:', modes); // ['USB', 'LSB', 'CW', 'FM', 'AM', ...]
+   */
+  getSupportedModes(): string[];
+
   // Split Operations
 
   /**

lib/index.js

@@ -307,6 +307,17 @@ class HamLib {
     return this._nativeInstance.getSupportedFunctions();
   }
 
+  /**
+   * Get list of supported radio modes
+   * @returns {Array<string>} Array of supported mode strings
+   * @example
+   * const modes = rig.getSupportedModes();
+   * console.log('Supported modes:', modes); // ['USB', 'LSB', 'CW', 'FM', 'AM', ...]
+   */
+  getSupportedModes() {
+    return this._nativeInstance.getSupportedModes();
+  }
+
   // Split Operations
 
   /**

src/hamlib.cpp

@@ -3246,6 +3246,32 @@ Napi::Value NodeHamLib::GetSupportedFunctions(const Napi::CallbackInfo & info) {
   return funcArray;
 }
 
+// Mode Query
+Napi::Value NodeHamLib::GetSupportedModes(const Napi::CallbackInfo & info) {
+  Napi::Env env = info.Env();
+
+  // Get mode list from rig state (populated during rig_open from rx/tx range lists)
+  rmode_t modes = my_rig->state.mode_list;
+  Napi::Array modeArray = Napi::Array::New(env);
+  uint32_t index = 0;
+
+  // Iterate through all possible mode bits (similar to rig_sprintf_mode)
+  for (unsigned int i = 0; i < HAMLIB_MAX_MODES; i++) {
+    rmode_t mode_bit = modes & (1ULL << i);
+
+    if (mode_bit) {
+      const char* mode_str = rig_strrmode(mode_bit);
+
+      // Skip empty or unknown modes
+      if (mode_str && mode_str[0] != '\0') {
+        modeArray[index++] = Napi::String::New(env, mode_str);
+      }
+    }
+  }
+
+  return modeArray;
+}
+
 // Split Operations
 Napi::Value NodeHamLib::SetSplitFreq(const Napi::CallbackInfo & info) {
   Napi::Env env = info.Env();
@@ -3600,7 +3626,10 @@ Napi::Function NodeHamLib::GetClass(Napi::Env env) {
       NodeHamLib::InstanceMethod("setFunction", & NodeHamLib::SetFunction),
       NodeHamLib::InstanceMethod("getFunction", & NodeHamLib::GetFunction),
       NodeHamLib::InstanceMethod("getSupportedFunctions", & NodeHamLib::GetSupportedFunctions),
-      
+
+      // Mode Query
+      NodeHamLib::InstanceMethod("getSupportedModes", & NodeHamLib::GetSupportedModes),
+
       // Split Operations
       NodeHamLib::InstanceMethod("setSplitFreq", & NodeHamLib::SetSplitFreq),
       NodeHamLib::InstanceMethod("getSplitFreq", & NodeHamLib::GetSplitFreq),

src/hamlib.h

@@ -71,7 +71,10 @@ class NodeHamLib : public Napi::ObjectWrap<NodeHamLib> {
   Napi::Value SetFunction(const Napi::CallbackInfo&);
   Napi::Value GetFunction(const Napi::CallbackInfo&);
   Napi::Value GetSupportedFunctions(const Napi::CallbackInfo&);
-  
+
+  // Mode Query
+  Napi::Value GetSupportedModes(const Napi::CallbackInfo&);
+
   // Split Operations
   Napi::Value SetSplitFreq(const Napi::CallbackInfo&);
   Napi::Value GetSplitFreq(const Napi::CallbackInfo&);

test/test_loader.js

@@ -90,10 +90,10 @@ try {
     .filter(name => typeof HamLib[name] === 'function');
 
   const totalMethods = instanceMethods.length + staticMethods.length;
-  
-  test(`实例方法数量正确 (79个)`, () => instanceMethods.length === 79);
+
+  test(`实例方法数量正确 (80个)`, () => instanceMethods.length === 80);
   test(`静态方法数量正确 (1个)`, () => staticMethods.length === 1);
-  test(`总方法数量正确 (80个)`, () => totalMethods === 80);
+  test(`总方法数量正确 (81个)`, () => totalMethods === 81);
 
   console.log(`   📊 实例方法: ${instanceMethods.length}个`);
   console.log(`   📊 静态方法: ${staticMethods.length}个`);