include yslt.yml2

tstylesheet {
    include ./textutils.ysl2
    include ./types_c.ysl2

    template "/namespace[@name='pEp']" apply "struct", 0;

    template "struct" {
        const "jname" call "CamelCase" with "text", "@name";

        document("foundation_pEp_jniadapter_{$jname}.cc", "text") {
            ||
            #include <exception>
            #include <new>
            #include <stdint.h>
            #include <stdlib.h>
            #include <assert.h>
            #include <pEp/«@name».h>
            #include <pEp/mime.h>

            #include "jniutils.hh"
            #include "throw_pEp_exception.hh"
            #include "foundation_pEp_jniadapter_«$jname».h"

            using namespace std;

            namespace pEp {
                namespace JNIAdapter {
                    static ::«@name» *«@name»_ptr(JNIEnv *env, jobject me) {
                        jfieldID handle;

                        try {
                            handle = getFieldID(env, "foundation/pEp/jniadapter/«$jname»", "handle", "J");
                        }
                        catch (std::exception& ex) {
                            assert(0);
                            return NULL;
                        }

                        return (::«@name» *) (intptr_t) (int64_t) env->GetLongField(me, handle);
                    }
                };
            };

            extern "C" {

            using namespace pEp::JNIAdapter;

            JNIEXPORT jlong JNICALL
                    Java_foundation_pEp_jniadapter_«$jname»_init(JNIEnv *env, jobject obj) {
                ::«@name» * _obj = ::new_«@name»(PEP_dir_incoming);
                if (!_obj) {
                    outOfMemory(env);
                    return (jlong) 0;
                }
                return (jlong) (int64_t) (intptr_t) _obj;
            }

            JNIEXPORT void JNICALL
                    Java_foundation_pEp_jniadapter_«$jname»_release(JNIEnv *env, jobject obj, jlong value) {
                if (value) {
                    ::«@name» *_obj = (::«@name» *) (intptr_t) (int64_t) value;
                    ::free_«@name»(_obj);
                }
            }

            JNIEXPORT jlong JNICALL Java_foundation_pEp_jniadapter_«$jname»__1«$jname»(
                    JNIEnv *env, jobject msg, jbyteArray mime_text) {

                char *_mime_text = to_string(env, mime_text);
                size_t _size = (size_t) env->GetArrayLength(mime_text);

                ::«@name» *_msg = nullptr;
                PEP_STATUS status = mime_decode_«@name»(_mime_text, _size, &_msg);
                if (status)
                    throw_pEp_Exception(env, status);
                return (jlong) (int64_t) (intptr_t) _msg;
            }

            JNIEXPORT jbyteArray JNICALL Java_foundation_pEp_jniadapter_«$jname»__1encodeMIME(JNIEnv *env, jobject msg)
            {
                «@name» *_obj = «@name»_ptr(env, msg);
                char *mime_text = nullptr;
                PEP_STATUS status = ::mime_encode_«@name»(_obj, false, &mime_text);
                if (status)
                    throw_pEp_Exception(env, status);
                jbyteArray result = from_string(env, mime_text);
                free(mime_text);
                return result;
            }

            ||
            apply "*[name(.)!='enum']", 0, mode=entry {
                with "name", "@name";
                with "class" call "CamelCase" with "text", "@name";
            }
            ||
            } // extern "C"

            ||
        }
    }

    function "mangle" {
        param "type";
        param "name";
        param "classname" call "CamelCase" with "text", "../@name";
        const "convert", "$type != 'timestamp'";

        choose {
            when "$convert"
                > «concat('Java_foundation_pEp_jniadapter_', $classname, '__1', str:replace($name, '_', '_1'))»
            otherwise
                > «concat('Java_foundation_pEp_jniadapter_', $classname, '_', str:replace($name, '_', '_1'))»
        }
    }

    template "*", mode=entry {
        param "name";
        param "class";
        const "ctype" call "toC" with "type", "name(.)";
        const "jname" call "CamelCase" with "text", "name(*[1])";
        const "cname" call "lcase" with "text", "name(*[1])";
        const "type", "name(.)";
        const "getname" call "mangle" {
            with "type", "$type";
            with "name", "concat('get', $jname)";
        }
        const "setname" call "mangle" {
            with "type", "$type";
            with "name", "concat('set', $jname)";
        }
        ||
        JNIEXPORT `call "jni_type" with "type", "name(.)"` JNICALL
                «$getname»(JNIEnv *env, jobject obj) {
            «$name» *_obj = «$name»_ptr(env, obj);
        ||
        choose {
            when "../enum[@name=$type]"
                |> return (jint) _obj->«$cname»;
            otherwise
                |> return from_«$type»(env, _obj->«$cname»);
        }
        ||
        }

        JNIEXPORT void JNICALL
                «$setname»(JNIEnv *env, jobject obj, `call "jni_type" with "type", "name(.)"` value) {
            «$name» *_obj = «$name»_ptr(env, obj);   
        ||
        choose {
            when "../enum[@name=$type]"
                |> _obj->«$cname» = («$ctype») (int) value;
            otherwise {
                choose {
                    when "$type = 'string'" {
                        |> free(_obj->«$cname»);
                    }
                    otherwise {
                        const "free" choose {
                            when "$ctype = 'pEp_identity'" > identity
                            when "contains($ctype, '_t')" value "substring-before($ctype, '_t')";
                            otherwise value "$ctype";
                        }

                        |> free_«$free»(_obj->«$cname»);
                    }
                }
                |> if(value){
                choose {
                    when "$type = 'string'" {
                        |>> _obj->«$cname» = to_«$type»(env, value);
                    }
                    otherwise {
                        |>> _obj->«$cname» = to_«$type»(env, value);
                    }
                }
                |> }else{
                |>     _obj->«$cname» = NULL;
                |> }
            }
        }
        ||
        }

        ||
    }
}