/******************************************************************************
 * Copyright (c) 2000-2025 Ericsson Telecom AB
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
 *
 * Contributors:
 *   Balasko, Jeno
 *   Raduly, Csaba
 *
 ******************************************************************************/
module UseNilSimple {
modulepar boolean UseNilSimple_verbose := false;
#define verbose UseNilSimple_verbose
#include "../macros.ttcnin"

type component Nilus {}

const universal charstring nil_attr := "xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:nil='true'";

type record unbool {
  boolean field optional
}
with {
  variant "useNil";
}

DECLARE_XER_ENCODERS(unbool, ub);
DECLARE_EXER_ENCODERS(unbool, ub);

const unbool cub := { true }
const unbool cubo:= { omit }

const universal charstring bstr_ub :=
"<unbool>\n" &
"\t<field><true/></field>\n" &
"</unbool>\n\n";

const universal charstring bstr_ubo :=
"<unbool/>\n\n";

const universal charstring estr_ub :=
"<unbool>true</unbool>\n\n";

const universal charstring estr_ubo :=
"<unbool " & nil_attr & "/>\n\n";

testcase tc_enc_unbool() runs on Nilus
{
  CHECK_METHOD(exer_enc_ub, cub, estr_ub);
  CHECK_METHOD(bxer_enc_ub, cub, bstr_ub);

  CHECK_METHOD(exer_enc_ub, cubo, estr_ubo);
  CHECK_METHOD(bxer_enc_ub, cubo, bstr_ubo);
}

testcase tc_dec_unbool() runs on Nilus
{
  CHECK_DECODE(exer_dec_ub, estr_ub, unbool, cub);
  CHECK_DECODE(bxer_dec_ub, bstr_ub, unbool, cub);

  CHECK_DECODE(exer_dec_ub, estr_ubo, unbool, cubo);
  CHECK_DECODE(bxer_dec_ub, bstr_ubo, unbool, cubo);
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

type record uncs {
  charstring field optional
}
with {
  variant "useNil";
}

DECLARE_XER_ENCODERS(uncs, ucs);
DECLARE_EXER_ENCODERS(uncs, ucs);

const uncs cucs := { "Unpossible" }
const uncs cucso:= { omit }

const universal charstring bstr_ucs :=
"<uncs>\n" &
"\t<field>Unpossible</field>\n" &
"</uncs>\n\n";

const universal charstring bstr_ucso :=
"<uncs/>\n\n";

const universal charstring estr_ucs :=
"<uncs>Unpossible</uncs>\n\n";

const universal charstring estr_ucso :=
"<uncs " & nil_attr & "/>\n\n";

testcase tc_enc_uncs() runs on Nilus
{
  CHECK_METHOD(exer_enc_ucs, cucs, estr_ucs);
  CHECK_METHOD(bxer_enc_ucs, cucs, bstr_ucs);

  CHECK_METHOD(exer_enc_ucs, cucso, estr_ucso);
  CHECK_METHOD(bxer_enc_ucs, cucso, bstr_ucso);
}

testcase tc_dec_uncs() runs on Nilus
{
  CHECK_DECODE(exer_dec_ucs, estr_ucs, uncs, cucs);
  CHECK_DECODE(bxer_dec_ucs, bstr_ucs, uncs, cucs);

  CHECK_DECODE(exer_dec_ucs, estr_ucso, uncs, cucso);
  CHECK_DECODE(bxer_dec_ucs, bstr_ucso, uncs, cucso);
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

type record unf {
  float field optional
}
with {
  variant "useNil";
}

DECLARE_XER_ENCODERS(unf, uf);
DECLARE_EXER_ENCODERS(unf, uf);

const unf cuf := { 3.141592 }

const universal charstring bstr_uf :=
"<unf>\n" &
"\t<field>3.141592</field>\n" &
"</unf>\n\n";

const universal charstring estr_uf :=
"<unf>3.141592</unf>\n\n";

testcase tc_enc_unf() runs on Nilus
{
  CHECK_METHOD(bxer_enc_uf, cuf, bstr_uf);
  CHECK_METHOD(exer_enc_uf, cuf, estr_uf);
}

testcase tc_dec_unf() runs on Nilus
{
  CHECK_DECODE(bxer_dec_uf, bstr_uf, unf, cuf);
  CHECK_DECODE(exer_dec_uf, estr_uf, unf, cuf);
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

type record uni {
  integer field optional
}
with {
  variant "useNil";
}

DECLARE_XER_ENCODERS(uni, ui);
DECLARE_EXER_ENCODERS(uni, ui);

const uni cui := { 42 }
const uni cuia:= { 6022141793000000000000000 } // Avogadro, 6.022 * 10^23

const universal charstring bstr_ui :=
"<uni>\n" &
"\t<field>42</field>\n" &
"</uni>\n\n";

const universal charstring estr_ui :=
"<uni>42</uni>\n\n";

const universal charstring bstr_uia :=
"<uni>\n" &
"\t<field>6022141793000000000000000</field>\n" &
"</uni>\n\n";

const universal charstring estr_uia :=
"<uni>6022141793000000000000000</uni>\n\n";

testcase tc_enc_uni() runs on Nilus
{
  CHECK_METHOD(bxer_enc_ui, cui, bstr_ui);
  CHECK_METHOD(exer_enc_ui, cui, estr_ui);

  CHECK_METHOD(bxer_enc_ui, cuia, bstr_uia);
  CHECK_METHOD(exer_enc_ui, cuia, estr_uia);
}

testcase tc_dec_uni() runs on Nilus
{
  CHECK_DECODE(bxer_dec_ui, bstr_ui, uni, cui);
  CHECK_DECODE(exer_dec_ui, estr_ui, uni, cui);

  CHECK_DECODE(bxer_dec_ui, bstr_uia, uni, cuia);
  CHECK_DECODE(exer_dec_ui, estr_uia, uni, cuia);
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

type record unos {
  octetstring field optional
}
with {
  variant "useNil";
  variant (field) "XSD:base64Binary" // required for octetstring to be "character-encodable"
}

DECLARE_XER_ENCODERS(unos, uos);
DECLARE_EXER_ENCODERS(unos, uos);

// Text from Thomas Hobbes's Leviathan, quoted in Wikipedia's article about base64
const unos cuos := { char2oct("Man is distinguished, not only by his reason, " &
"but by this singular passion from other animals, which is a lust of the mind, " &
"that by a perseverance of delight in the continued and indefatigable " &
"generation of knowledge, exceeds the short vehemence of any carnal pleasure.") }

const universal charstring TWFu := // also from Wikipedia
"TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz" &
"IHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg" &
"dGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu" &
"dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo" &
"ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=";

const universal charstring octets := 
"4D616E2069732064697374696E677569736865642C206E6F74206F6E6C792062"&
"792068697320726561736F6E2C2062757420627920746869732073696E67756C"&
"61722070617373696F6E2066726F6D206F7468657220616E696D616C732C2077"&
"686963682069732061206C757374206F6620746865206D696E642C2074686174"&
"2062792061207065727365766572616E6365206F662064656C6967687420696E"&
"2074686520636F6E74696E75656420616E6420696E6465666174696761626C65"&
"2067656E65726174696F6E206F66206B6E6F776C656467652C20657863656564"&
"73207468652073686F727420766568656D656E6365206F6620616E7920636172"&
"6E616C20706C6561737572652E";

const universal charstring bstr_uos :=
"<unos>\n" &
"\t<field>" & octets & "</field>\n" &
"</unos>\n\n";

const universal charstring estr_uos :=
"<unos>" & TWFu & "</unos>\n\n";

testcase tc_enc_unos() runs on Nilus
{
  //log(cuos);
  CHECK_METHOD(bxer_enc_uos, cuos, bstr_uos);
  CHECK_METHOD(exer_enc_uos, cuos, estr_uos);
}

testcase tc_dec_unos() runs on Nilus
{
  CHECK_DECODE(bxer_dec_uos, bstr_uos, unos, cuos);
  CHECK_DECODE(exer_dec_uos, estr_uos, unos, cuos);
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

control {
  execute(tc_enc_unbool());
  execute(tc_dec_unbool());

  execute(tc_enc_uncs());
  execute(tc_dec_uncs());

  execute(tc_enc_unf());
  execute(tc_dec_unf());

  execute(tc_enc_uni());
  execute(tc_dec_uni());

  execute(tc_enc_unos());
  execute(tc_dec_unos());
}

}
with {
  encode "XML";
  variant "controlNamespace 'http://www.w3.org/2001/XMLSchema-instance' prefix 'xsi'"
  variant "elementFormQualified";
  variant "attributeFormQualified";
}
