Java: Fill jlongs with 0 when doing SWIG style pointer marshalling

[libsigrok.git] / bindings / java / org / sigrok / core / classes / classes.i

diff --git a/bindings/java/org/sigrok/core/classes/classes.i b/bindings/java/org/sigrok/core/classes/classes.i
index ba95144b74e4827554f1bc10727071aca271394b..894c72f75b9d501daa582b75e744451588018df8 100644 (file)
--- a/bindings/java/org/sigrok/core/classes/classes.i
+++ b/bindings/java/org/sigrok/core/classes/classes.i
@@ -72,7 +72,7 @@ namespace Glib {
   jclass Value = jenv->FindClass("org/sigrok/core/classes/" #JValue);
   jmethodID Value_init = jenv->GetMethodID(Value, "<init>", "(JZ)V");
   $result = jenv->NewObject(Vector, Vector_init);
-  jlong value;
+  jlong value = 0;
   for (auto entry : $1)
   {
     *(CValue **) &value = new CValue(entry);
@@ -146,7 +146,7 @@ MAP_COMMON(std::string, std::shared_ptr<sigrok::ClassName>, String, ClassName)
   jclass Value = jenv->FindClass("org/sigrok/core/classes/" #ClassName);
   jmethodID Value_init = jenv->GetMethodID(Value, "<init>", "(JZ)V");
   $result = jenv->NewObject(HashMap, HashMap_init);
-  jlong value;
+  jlong value = 0;
   for (auto entry : $1)
   {
     *(std::shared_ptr< sigrok::ClassName > **)&value =
@@ -181,8 +181,8 @@ MAP_COMMON(const sigrok::ConfigKey *, Glib::VariantBase, ConfigKey, Variant)
   jclass Variant = jenv->FindClass("org/sigrok/core/classes/Variant");
   jmethodID Variant_init = jenv->GetMethodID(Variant, "<init>", "(JZ)V");
   $result = jenv->NewObject(HashMap, HashMap_init);
-  jlong key;
-  jlong value;
+  jlong key = 0;
+  jlong value = 0;
   for (auto entry : $1)
   {
     *(const sigrok::ConfigKey **) &key = entry.first;
@@ -193,6 +193,44 @@ MAP_COMMON(const sigrok::ConfigKey *, Glib::VariantBase, ConfigKey, Variant)
   }
 }
 
+/* Specialisation for ConfigKey->set<Capability> maps */
+
+MAP_COMMON(const sigrok::ConfigKey *, std::set<enum sigrok::Capability>,
+  ConfigKey, java.util.Set<Capability>)
+
+%typemap(jni) std::map<const sigrok::ConfigKey *, std::set<enum sigrok::Capability> > "jobject"
+%typemap(jtype) std::map<const sigrok::ConfigKey *, std::set<enum sigrok::Capability> >
+  "java.util.Map<ConfigKey,java.util.Set<Capability>>"
+
+%typemap(out) std::map<const sigrok::ConfigKey *, std::set<enum sigrok::Capability> > {
+  jclass HashMap = jenv->FindClass("java/util/HashMap");
+  jmethodID HashMap_init = jenv->GetMethodID(HashMap, "<init>", "()V");
+  jmethodID HashMap_put = jenv->GetMethodID(HashMap, "put",
+    "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
+  jclass HashSet = jenv->FindClass("java/util/HashSet");
+  jmethodID HashSet_init = jenv->GetMethodID(HashSet, "<init>", "()V");
+  jmethodID HashSet_add = jenv->GetMethodID(HashSet, "add",
+    "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
+  jclass ConfigKey = jenv->FindClass("org/sigrok/core/classes/ConfigKey");
+  jmethodID ConfigKey_init = jenv->GetMethodID(ConfigKey, "<init>", "(JZ)V");
+  jclass Capability = jenv->FindClass("org/sigrok/core/classes/Capability");
+  jmethodID Capability_swigToEnum = jenv->GetStaticMethodID(Capability,
+    "swigToEnum", "(I)Lorg/sigrok/core/classes/Capability;");
+  $result = jenv->NewObject(HashMap, HashMap_init);
+  jlong key = 0;
+  for (auto map_entry : $1)
+  {
+    *(const sigrok::ConfigKey **) &key = map_entry.first;
+    jobject value = jenv->NewObject(HashSet, HashSet_init);
+    for (auto &set_entry : map_entry.second)
+      jenv->CallObjectMethod(value, HashSet_add,
+        jenv->CallStaticObjectMethod(Capability,
+          Capability_swigToEnum, set_entry));
+    jenv->CallObjectMethod($result, HashMap_put,
+      jenv->NewObject(ConfigKey, ConfigKey_init, key, false), value);
+  }
+}
+
 /* Pass JNIEnv parameter to C++ extension methods requiring it. */
 
 %typemap(in, numinputs=0) JNIEnv * %{
@@ -229,7 +267,7 @@ typedef jobject jlogcallback;
       const sigrok::LogLevel *loglevel,
       std::string message)
     {
-      jlong loglevel_addr;
+      jlong loglevel_addr = 0;
       *(const sigrok::LogLevel **) &loglevel_addr = loglevel;
       jobject loglevel_obj = env->NewObject(
         LogLevel, LogLevel_init, loglevel_addr, false);
@@ -274,8 +312,8 @@ typedef jobject jdatafeedcallback;
       std::shared_ptr<sigrok::Device> device,
       std::shared_ptr<sigrok::Packet> packet)
     {
-      jlong device_addr;
-      jlong packet_addr;
+      jlong device_addr = 0;
+      jlong packet_addr = 0;
       *(std::shared_ptr<sigrok::Device> **) &device_addr =
         new std::shared_ptr<sigrok::Device>(device);
       *(std::shared_ptr<sigrok::Packet> **) &packet_addr =
@@ -293,20 +331,13 @@ typedef jobject jdatafeedcallback;
 
 %include "doc.i"
 
-%define %attributevector(Class, Type, Name, Get)
-%attributeval(sigrok::Class, Type, Name, Get);
-%enddef
-
-%define %attributemap(Class, Type, Name, Get)
-%attributeval(sigrok::Class, Type, Name, Get);
-%enddef
-
 %define %enumextras(Class)
 %enddef
 
 /* Ignore these for now, need fixes. */
 %ignore sigrok::Context::create_analog_packet;
 %ignore sigrok::Context::create_meta_packet;
+%ignore sigrok::Meta::config;
 
 %include "bindings/swig/classes.i"