mirror of
https://gitlab.com/eql/lqml.git
synced 2025-12-06 10:31:34 -08:00
311 lines
8.2 KiB
C++
311 lines
8.2 KiB
C++
#include "marshal.h"
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#include <QVariant>
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#include <QObject>
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QT_BEGIN_NAMESPACE
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// *** Lisp to Qt ***
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template<typename T>
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T toInt(cl_object l_num) {
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T i = 0;
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if (cl_integerp(l_num) == ECL_T) {
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i = fixint(l_num);
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}
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return i;
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}
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int toInt(cl_object l_num) {
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return toInt<int>(l_num);
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}
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template<typename T>
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T toUInt(cl_object l_num) {
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T i = 0;
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if (cl_integerp(l_num) == ECL_T) {
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i = fixnnint(l_num);
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}
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return i;
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}
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uint toUInt(cl_object l_num) {
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return toUInt<uint>(l_num);
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}
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template<typename T>
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T toFloat(cl_object l_num) {
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T f = 0;
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if (ECL_SINGLE_FLOAT_P(l_num)) {
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f = sf(l_num);
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}
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else if (ECL_DOUBLE_FLOAT_P(l_num)) {
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f = df(l_num);
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}
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#ifdef ECL_LONG_FLOAT
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else if (ECL_LONG_FLOAT_P(l_num)) {
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f = ecl_long_float(l_num);
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}
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#endif
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else if (cl_integerp(l_num) == ECL_T) {
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f = fixint(l_num);
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}
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else {
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cl_object l_f = cl_float(1, l_num);
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if (ECL_DOUBLE_FLOAT_P(l_f)) {
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f = df(l_f);
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}
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else if (ECL_SINGLE_FLOAT_P(l_f)) {
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f = sf(l_f);
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}
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#ifdef ECL_LONG_FLOAT
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else if (ECL_LONG_FLOAT_P(l_f)) {
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f = ecl_long_float(l_f);
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}
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#endif
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}
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return f;
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}
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float toFloat(cl_object l_num) {
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return toFloat<float>(l_num);
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}
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qreal toReal(cl_object l_num) {
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return toFloat<qreal>(l_num);
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}
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QByteArray toCString(cl_object l_str) {
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QByteArray ba;
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if (ECL_STRINGP(l_str)) {
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if (ECL_BASE_STRING_P(l_str)) {
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ba = QByteArray(reinterpret_cast<char*>(l_str->base_string.self),
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l_str->base_string.fillp);
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}
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else {
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uint l = l_str->string.fillp;
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ba.resize(l);
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ecl_character* l_s = l_str->string.self;
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for (uint i = 0; i < l; i++) {
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ba[i] = l_s[i];
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}
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}
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}
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return ba;
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}
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QByteArray toQByteArray(cl_object l_vec) {
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QByteArray ba;
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if (ECL_VECTORP(l_vec)) {
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int len = LEN(l_vec);
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ba.resize(len);
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for (int i = 0; i < len; i++) {
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ba[i] = toInt(ecl_aref(l_vec, i));
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}
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}
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return ba;
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}
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QString toQString(cl_object l_str) {
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QString s;
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if (ECL_STRINGP(l_str)) {
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if (ECL_BASE_STRING_P(l_str)) {
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s = QString::fromLatin1(reinterpret_cast<char*>(l_str->base_string.self),
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l_str->base_string.fillp);
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}
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else {
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uint l = l_str->string.fillp;
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s.resize(l);
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ecl_character* l_s = l_str->string.self;
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for (uint i = 0; i < l; i++) {
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s[i] = QChar(l_s[i]);
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}
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}
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}
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return s;
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}
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QStringList toQStringList(cl_object l_list) {
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QStringList l;
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if (ECL_LISTP(l_list)) {
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cl_object l_el = l_list;
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while (l_el != ECL_NIL) {
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l << toQString(cl_car(l_el));
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l_el = cl_cdr(l_el);
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}
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}
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return l;
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}
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TO_QT_FLOAT_2 (QPointF)
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TO_QT_FLOAT_2 (QSizeF)
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TO_QT_FLOAT_4 (QRectF)
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QVariant toQVariant(cl_object l_arg, int type) {
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QVariant var;
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switch (type) {
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case QMetaType::QByteArray: var = toQByteArray(l_arg); break;
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case QMetaType::QPointF: var = toQPointF(l_arg); break;
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case QMetaType::QRectF: var = toQRectF(l_arg); break;
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case QMetaType::QSizeF: var = toQSizeF(l_arg); break;
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default:
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if (cl_integerp(l_arg) == ECL_T) { // int
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var = QVariant(toInt(l_arg));
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}
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else if (cl_floatp(l_arg) == ECL_T) { // double
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var = QVariant(toFloat<double>(l_arg));
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}
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else if (cl_stringp(l_arg) == ECL_T) { // string
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var = QVariant(toQString(l_arg));
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}
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else if (l_arg == ECL_T) { // true
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var = QVariant(true);
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}
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else if (l_arg == ECL_NIL) { // false
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var = QVariant(false);
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}
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else if (cl_listp(l_arg) == ECL_T) { // list
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var = (cl_keywordp(cl_first(l_arg)) == ECL_T)
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? toQVariantMap(l_arg)
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: toQVariantList(l_arg);
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}
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else if (cl_vectorp(l_arg) == ECL_T) { // vector (of octets)
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var = QVariant(toQByteArray(l_arg));
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}
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else { // default: undefined
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var = QVariant();
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}
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break;
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}
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return var;
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}
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QVariantList toQVariantList(cl_object l_list) {
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QVariantList l;
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if (ECL_LISTP(l_list)) {
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for (cl_object l_do_list = l_list; l_do_list != ECL_NIL; l_do_list = cl_cdr(l_do_list)) {
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cl_object l_el = cl_car(l_do_list);
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l << toQVariant(l_el);
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}
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}
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return l;
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}
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QString toCamelCase(const QString& name) {
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// convert Lisp name to Qt name
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QString qtName(name);
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int j = 0;
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for (int i = 0; i < name.length(); i++, j++) {
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qtName[j] = (name.at(i) == QChar('-'))
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? name.at(++i).toUpper() : name.at(i);
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}
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qtName.truncate(j);
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return qtName;
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}
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QVariant toQVariantMap(cl_object l_list) {
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// special case for JS dictionary, for e.g. populating a Model in QML
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QVariantMap map;
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if (cl_keywordp(cl_first(l_list)) == ECL_T) {
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cl_object l_do_args = l_list;
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while (l_do_args != ECL_NIL) {
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map.insert(toCamelCase(toQString(cl_symbol_name(cl_first(l_do_args))).toLower()),
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toQVariant(cl_second(l_do_args)));
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l_do_args = cl_cddr(l_do_args);
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}
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}
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return map;
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}
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QObject* toQObjectPointer(cl_object l_obj) {
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STATIC_SYMBOL_PKG (s_qt_object_p, "QT-OBJECT-P", "QML") // see 'ini.lisp'
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STATIC_SYMBOL_PKG (s_qt_object_address, "QT-OBJECT-ADDRESS", "QML")
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if (cl_funcall(2, s_qt_object_p, l_obj) != ECL_NIL) {
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return reinterpret_cast<QObject*>(toUInt<quintptr>(cl_funcall(2, s_qt_object_address, l_obj)));
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}
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return nullptr;
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}
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// *** Qt to Lisp ***
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cl_object from_cstring(const QByteArray& s) {
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cl_object l_s = ecl_alloc_simple_base_string(s.length());
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memcpy(l_s->base_string.self, s.constData(), s.length());
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return l_s;
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}
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static cl_object make_vector() {
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STATIC_SYMBOL_PKG (s_make_vector, "%MAKE-VECTOR", "QML") // see "ini.lisp"
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cl_object l_vector = cl_funcall(1, s_make_vector);
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return l_vector;
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}
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cl_object from_qbytearray(const QByteArray& ba) {
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cl_object l_vec = make_vector();
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for (int i = 0; i < ba.size(); i++) {
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cl_vector_push_extend(2, ecl_make_fixnum(ba.at(i)), l_vec);
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}
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return l_vec;
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}
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cl_object from_qstring(const QString& s) {
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cl_object l_s = ecl_alloc_simple_extended_string(s.length());
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ecl_character* l_p = l_s->string.self;
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for (int i = 0; i < s.length(); i++) {
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l_p[i] = s.at(i).unicode();
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}
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return l_s;
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}
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cl_object from_qstringlist(const QStringList& l) {
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cl_object l_list = ECL_NIL;
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for (QString s : qAsConst(l)) {
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l_list = CONS(from_qstring(s), l_list);
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}
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l_list = cl_nreverse(l_list);
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return l_list;
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}
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TO_CL_FLOAT_2 (QPointF, qpointf, x, y)
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TO_CL_FLOAT_2 (QSizeF, qsizef, width, height)
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TO_CL_FLOAT_4 (QRectF, qrectf, x, y, width, height)
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cl_object from_qvariant(const QVariant& var) {
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cl_object l_obj = ECL_NIL;
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#if QT_VERSION < 0x060000
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const int type = var.type();
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#else
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const int type = var.typeId();
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#endif
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switch (type) {
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case QMetaType::Bool: l_obj = var.toBool() ? ECL_T : ECL_NIL; break;
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case QMetaType::Double: l_obj = ecl_make_doublefloat(var.toDouble()); break;
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case QMetaType::Int: l_obj = ecl_make_integer(var.toInt()); break;
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case QMetaType::UInt: l_obj = ecl_make_unsigned_integer(var.toUInt()); break;
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case QMetaType::ULongLong: l_obj = ecl_make_unsigned_integer(var.toULongLong()); break;
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case QMetaType::QByteArray: l_obj = from_qbytearray(var.toByteArray()); break;
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case QMetaType::QPointF: l_obj = from_qpointf(var.toPointF()); break;
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case QMetaType::QRectF: l_obj = from_qrectf(var.toRectF()); break;
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case QMetaType::QSizeF: l_obj = from_qsizef(var.toSizeF()); break;
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case QMetaType::QString: l_obj = from_qstring(var.toString()); break;
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// special case (can be nested)
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case QMetaType::QVariantList:
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QVariantList list(var.value<QVariantList>());
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for (QVariant v : qAsConst(list)) {
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l_obj = CONS(from_qvariant(v), l_obj);
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}
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l_obj = cl_nreverse(l_obj);
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break;
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}
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return l_obj;
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}
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cl_object from_qobject_pointer(QObject* qobject) {
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STATIC_SYMBOL_PKG (s_qt_object, "QT-OBJECT", "QML") // see 'ini.lisp'
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return cl_funcall(2,
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s_qt_object,
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ecl_make_unsigned_integer(reinterpret_cast<quintptr>(qobject)));
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}
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QT_END_NAMESPACE
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