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Diffstat (limited to 'bridges/source/jni_uno/jni_info.h')
| -rw-r--r-- | bridges/source/jni_uno/jni_info.h | 366 |
1 files changed, 366 insertions, 0 deletions
diff --git a/bridges/source/jni_uno/jni_info.h b/bridges/source/jni_uno/jni_info.h new file mode 100644 index 000000000..7a18e553e --- /dev/null +++ b/bridges/source/jni_uno/jni_info.h @@ -0,0 +1,366 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#pragma once + +#include <sal/config.h> + +#include <unordered_map> + +#include "jni_base.h" + +#include <mutex> +#include <rtl/ref.hxx> +#include <rtl/ustring.hxx> +#include <rtl/strbuf.hxx> + +#include <uno/environment.h> +#include <typelib/typedescription.hxx> + +#include <com/sun/star/uno/Type.hxx> + +namespace jvmaccess { class UnoVirtualMachine; } + +namespace jni_uno +{ + +inline bool type_equals( + typelib_TypeDescriptionReference * type1, + typelib_TypeDescriptionReference * type2 ) +{ + if (type1 == type2) + return true; + OUString const & name1 = + OUString::unacquired( &type1->pTypeName ); + OUString const & name2 = + OUString::unacquired( &type2->pTypeName ); + return ((type1->eTypeClass == type2->eTypeClass) && name1 == name2); +} + +inline bool is_XInterface( typelib_TypeDescriptionReference * type ) +{ + return ((typelib_TypeClass_INTERFACE == type->eTypeClass) && + OUString::unacquired( &type->pTypeName ) == "com.sun.star.uno.XInterface"); +} + +struct JNI_type_info +{ + JNI_type_info(const JNI_type_info&) = delete; + const JNI_type_info& operator=(const JNI_type_info&) = delete; + + ::com::sun::star::uno::TypeDescription m_td; + jclass m_class; + + virtual void destroy( JNIEnv * jni_env ) = 0; +protected: + void destruct( JNIEnv * jni_env ) + { jni_env->DeleteGlobalRef( m_class ); } + virtual ~JNI_type_info() {} + explicit JNI_type_info( + JNI_context const & jni, typelib_TypeDescription * td ); +}; + +struct JNI_interface_type_info : public JNI_type_info +{ + jobject m_proxy_ctor; // proxy ctor + jobject m_type; + // sorted via typelib function index + std::unique_ptr<jmethodID[]> m_methods; + + virtual void destroy( JNIEnv * jni_env ) override; + explicit JNI_interface_type_info( + JNI_context const & jni, typelib_TypeDescription * td ); + +private: + virtual ~JNI_interface_type_info() override {} +}; + +struct JNI_compound_type_info : public JNI_type_info +{ + JNI_type_info const * m_base; + // ctor( msg ) for exceptions + jmethodID m_exc_ctor; + // sorted via typelib member index + std::unique_ptr<jfieldID[]> m_fields; + + virtual void destroy( JNIEnv * jni_env ) override; + explicit JNI_compound_type_info( + JNI_context const & jni, typelib_TypeDescription * td ); + +private: + virtual ~JNI_compound_type_info() override {} +}; + +struct JNI_type_info_holder +{ + JNI_type_info * m_info; + + JNI_type_info_holder(const JNI_type_info_holder&) = delete; + const JNI_type_info_holder& operator=(const JNI_type_info_holder&) = delete; + + JNI_type_info_holder() : m_info( nullptr ) {} +}; + +typedef std::unordered_map< + OUString, JNI_type_info_holder > t_str2type; + +class JNI_info +{ + mutable std::mutex m_mutex; + mutable t_str2type m_type_map; + +public: + // These two are needed very early by find_class from within the ctor: + jclass m_class_Class; + jmethodID m_method_Class_forName; + + jobject m_object_java_env; + jobject m_object_Any_VOID; + jobject m_object_Type_UNSIGNED_SHORT; + jobject m_object_Type_UNSIGNED_LONG; + jobject m_object_Type_UNSIGNED_HYPER; + + jclass m_class_Object; + jclass m_class_Character; + jclass m_class_Boolean; + jclass m_class_Byte; + jclass m_class_Short; + jclass m_class_Integer; + jclass m_class_Long; + jclass m_class_Float; + jclass m_class_Double; + jclass m_class_String; + + jclass m_class_UnoRuntime; + jclass m_class_RuntimeException; + jclass m_class_Any; + jclass m_class_Type; + jclass m_class_TypeClass; + jclass m_class_JNI_proxy; + jclass m_class_AsynchronousFinalizer; + + jmethodID m_method_Object_toString; + jmethodID m_method_Class_getName; + jmethodID m_method_Throwable_getMessage; + jmethodID m_ctor_Character_with_char; + jmethodID m_ctor_Boolean_with_boolean; + jmethodID m_ctor_Byte_with_byte; + jmethodID m_ctor_Short_with_short; + jmethodID m_ctor_Integer_with_int; + jmethodID m_ctor_Long_with_long; + jmethodID m_ctor_Float_with_float; + jmethodID m_ctor_Double_with_double; + jmethodID m_method_Boolean_booleanValue; + jmethodID m_method_Byte_byteValue; + jmethodID m_method_Character_charValue; + jmethodID m_method_Double_doubleValue; + jmethodID m_method_Float_floatValue; + jmethodID m_method_Integer_intValue; + jmethodID m_method_Long_longValue; + jmethodID m_method_Short_shortValue; + + jmethodID m_method_IEnvironment_getRegisteredInterface; + jmethodID m_method_IEnvironment_registerInterface; + jmethodID m_method_UnoRuntime_generateOid; + jmethodID m_method_UnoRuntime_queryInterface; + jmethodID m_ctor_Any_with_Type_Object; + jfieldID m_field_Any_type; + jfieldID m_field_Any_object; + jmethodID m_ctor_Type_with_Class; + jmethodID m_ctor_Type_with_Name_TypeClass; + jfieldID m_field_Type_typeName; + jmethodID m_method_TypeClass_fromInt; + jfieldID m_field_Enum_m_value; + + jmethodID m_method_JNI_proxy_get_proxy_ctor; + jmethodID m_method_JNI_proxy_create; + jfieldID m_field_JNI_proxy_m_receiver_handle; + jfieldID m_field_JNI_proxy_m_td_handle; + jfieldID m_field_JNI_proxy_m_type; + jfieldID m_field_JNI_proxy_m_oid; + + jmethodID m_ctor_AsynchronousFinalizer; + jmethodID m_method_AsynchronousFinalizer_drain; + + ::com::sun::star::uno::TypeDescription m_XInterface_queryInterface_td; + ::com::sun::star::uno::Type const & m_Exception_type; + ::com::sun::star::uno::Type const & m_RuntimeException_type; + ::com::sun::star::uno::Type const & m_void_type; + JNI_interface_type_info const * m_XInterface_type_info; + + // noncopyable + JNI_info(const JNI_info&) = delete; + const JNI_info& operator=(const JNI_info&) = delete; + + JNI_type_info const * get_type_info( + JNI_context const & jni, + typelib_TypeDescription * type ) const; + JNI_type_info const * get_type_info( + JNI_context const & jni, + typelib_TypeDescriptionReference * type ) const; + JNI_type_info const * get_type_info( + JNI_context const & jni, + OUString const & uno_name ) const; + inline static void append_sig( + OStringBuffer * buf, typelib_TypeDescriptionReference * type, + bool use_Object_for_type_XInterface = true, bool use_slashes = true ); + + // get this + static JNI_info const * get_jni_info( + rtl::Reference< jvmaccess::UnoVirtualMachine > const & uno_vm ); + inline void destroy( JNIEnv * jni_env ); + +private: + JNI_type_info const * create_type_info( + JNI_context const & jni, typelib_TypeDescription * td ) const; + + void destruct( JNIEnv * jni_env ); + + JNI_info( JNIEnv * jni_env, jobject class_loader, + jclass classClass, jmethodID methodForName ); + ~JNI_info() {} +}; + +inline void JNI_info::destroy( JNIEnv * jni_env ) +{ + destruct( jni_env ); + delete this; +} + +inline void JNI_info::append_sig( + OStringBuffer * buf, typelib_TypeDescriptionReference * type, + bool use_Object_for_type_XInterface, bool use_slashes ) +{ + switch (type->eTypeClass) + { + case typelib_TypeClass_VOID: + buf->append( 'V' ); + break; + case typelib_TypeClass_CHAR: + buf->append( 'C' ); + break; + case typelib_TypeClass_BOOLEAN: + buf->append( 'Z' ); + break; + case typelib_TypeClass_BYTE: + buf->append( 'B' ); + break; + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + buf->append( 'S' ); + break; + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + buf->append( 'I' ); + break; + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + buf->append( 'J' ); + break; + case typelib_TypeClass_FLOAT: + buf->append( 'F' ); + break; + case typelib_TypeClass_DOUBLE: + buf->append( 'D' ); + break; + case typelib_TypeClass_STRING: + if ( use_slashes ) { + buf->append( "Ljava/lang/String;" ); + } else { + buf->append( "Ljava.lang.String;" ); + } + break; + case typelib_TypeClass_TYPE: + if ( use_slashes ) { + buf->append( "Lcom/sun/star/uno/Type;" ); + } else { + buf->append( "Lcom.sun.star.uno.Type;" ); + } + break; + case typelib_TypeClass_ANY: + if ( use_slashes ) { + buf->append( "Ljava/lang/Object;" ); + } else { + buf->append( "Ljava.lang.Object;" ); + } + break; + case typelib_TypeClass_ENUM: + case typelib_TypeClass_STRUCT: + case typelib_TypeClass_EXCEPTION: + { + OUString const & uno_name = + OUString::unacquired( &type->pTypeName ); + buf->append( 'L' ); + // Erase type arguments of instantiated polymorphic struct types: + sal_Int32 i = uno_name.indexOf( '<' ); + if ( i < 0 ) { + buf->append( + OUStringToOString( + use_slashes ? uno_name.replace( '.', '/' ) : uno_name, + RTL_TEXTENCODING_JAVA_UTF8 ) ); + } else { + OUString s( uno_name.copy( 0, i ) ); + buf->append( + OUStringToOString( + use_slashes ? s.replace( '.', '/' ) : s, + RTL_TEXTENCODING_JAVA_UTF8 ) ); + } + buf->append( ';' ); + break; + } + case typelib_TypeClass_SEQUENCE: + { + buf->append( '[' ); + TypeDescr td( type ); + append_sig( + buf, reinterpret_cast<typelib_IndirectTypeDescription *>(td.get())->pType, + use_Object_for_type_XInterface, use_slashes ); + break; + } + case typelib_TypeClass_INTERFACE: + if (use_Object_for_type_XInterface && is_XInterface( type )) + { + if ( use_slashes ) { + buf->append( "Ljava/lang/Object;" ); + } else { + buf->append( "Ljava.lang.Object;" ); + } + } + else + { + OUString const & uno_name = + OUString::unacquired( &type->pTypeName ); + buf->append( 'L' ); + buf->append( + OUStringToOString( + use_slashes ? uno_name.replace( '.', '/' ) : uno_name, + RTL_TEXTENCODING_JAVA_UTF8 ) ); + buf->append( ';' ); + } + break; + default: + throw BridgeRuntimeError( + "unsupported type: " + + OUString::unacquired( &type->pTypeName ) ); + } +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |