QJson for Qt 4, G++4.4

// --------------------------------------------------------------------------------------------------------------------- #include "QVector" #include "QTextCodec" #include "QDebug" #include "QJson.h" namespace JSK { JSONObject::JSONObject(const QString& key) { init(); setKey(key); } void JSONObject::init() { m_key = ""; m_type = vtfNull; m_string = ""; m_int = 0; m_double = 0.0; m_bool = false; m_datetime = QDateTime(); } JSONObject::~JSONObject() { for( int i=0;i<m_list.count();i++ ) { JSONObject* item = m_list.at(i); delete item; } } QString JSONObject::dequote(QString text) { int idx; while((idx=text.indexOf("\\u"))>=0) { int nHex = text.mid(idx+2, 4).toInt(0, 16); text.replace(idx, 6, QChar(nHex)); } return text; } QString JSONObject::quote(const QString& Text) { QString ret; QStdWString ws = Text.toStdWString(); const wchar_t* ptr = ws.c_str(); while(*ptr) { switch(*ptr) { case L'\\': ret += "\\\\"; break; case L'\"': ret += "\\\""; break; case L'\b': ret += "\\b"; break; case L'\t': ret += "\\t"; break; case L'\n': ret += "\\n"; break; case L'\f': ret += "\\f"; break; case L'\r': ret += "\\r"; break; default: if ( *ptr > 255 ) { uint16_t v = *ptr; QString S = QString::number(v, 16); ret += "\\u" + S; }else { ret += *ptr; } break; } ptr++; } return ret; } QString JSONObject::getKey() const { return m_key; } void JSONObject::setKey(QString value) { m_key = value.trimmed(); } QString JSONObject::getJsonKey() const { return "\"" + quote(m_key) + "\""; } QString JSONObject::getJsonValue() const { QString ret; switch(m_type) { case 0: // null ret = "null"; break; case 1: // string ret = "\"" + quote(m_string) + "\""; break; case 2: // int ret = QString::number(m_int); break; case 3: // double ret = QString::number(m_double); break; case 4: // bool ret = m_bool ? "true" : "false"; break; case 5: // datetime ret = "\"" + m_datetime.toString("yyyy/MM/dd HH:mm:ss.zzz") + "\""; break; default: ret = "json.value.type error."; break; } return ret; } JSONObject* JSONObject::addChild(const QString& key, int type) { JSONObject* ret = new JSONObject(key); ret->setType(type); m_list.append(ret); return ret; } JSONObject* JSONObject::add(const QString& key, const char* value) { JSONObject* ret = new JSONObject(key); ret->setValue(value); m_list.append(ret); return ret; } JSONObject* JSONObject::add(const QString& key) { JSONObject* ret = new JSONObject(key); m_list.append(ret); return ret; } JSONObject* JSONObject::add(const QString& key, const QString& value) { JSONObject* ret = new JSONObject(key); ret->setValue(value); m_list.append(ret); return ret; } JSONObject* JSONObject::add(const QString& key, int value) { JSONObject* ret = new JSONObject(key); ret->setValue(value); m_list.append(ret); return ret; } JSONObject* JSONObject::add(const QString& key, double value) { JSONObject* ret = new JSONObject(key); ret->setValue(value); m_list.append(ret); return ret; } JSONObject* JSONObject::add(const QString& key, bool value) { JSONObject* ret = new JSONObject(key); ret->setValue(value); m_list.append(ret); return ret; } JSONObject* JSONObject::add(const QString& key, QDateTime value) { JSONObject* ret = new JSONObject(key); ret->setValue(value); m_list.append(ret); return ret; } int JSONObject::deleteChildren(const QString& key) { int ret = 0; for( int i=m_list.count();i>0;i-- ) { JSONObject* item = m_list.at(i-1); if ( item->m_key.compare(key)==0 ) { m_list.removeAt(i-1); delete item; ret ++; } } return ret; } void JSONObject::clearChildren() { for( int i=0;i<m_list.count();i++ ) { JSONObject* item = m_list.at(i); delete item; } m_list.clear(); } void JSONObject::clear() { init(); clearChildren(); } QStringList JSONObject::keys() const { QStringList ret; for( int i=0;i<m_list.count();i++ ) { JSONObject* item = m_list.at(i); ret.append(item->getKey()); } return ret; } JSONObject* JSONObject::get(const QString& key) const { JSONObject* ret = NULL; for( int i=0;i<m_list.count();i++ ) { JSONObject* item = m_list.at(i); if ( item->m_key.compare(key)==0 ) { ret = item; break; } } return ret; } QString JSONObject::getString(const QString& key) const { JSONObject* res = get(key); return res != NULL ? res->getString() : QString(); } int JSONObject::getInt(const QString& key) const { JSONObject* res = get(key); return res != NULL ? res->getInt() : 0; } double JSONObject::getDouble(const QString& key) const { JSONObject* res = get(key); return res != NULL ? res->getDouble() : 0.0; } bool JSONObject::getBoolean(const QString& key) const { JSONObject* res = get(key); return res != NULL ? res->getBoolean() : false; } QDateTime JSONObject::getDateTime(const QString& key) const { JSONObject* res = get(key); return res != NULL ? res->getDateTime() : QDateTime(); } QString JSONObject::toString() const { QString values; if ( m_list.count() >0 ) { for( int i=0;i<m_list.count();i++ ) { JSONObject* item = m_list.at(i); if ( m_type == vtfArray ) { values += "," + item->getJsonValue(); }else { values += "," + item->toString(); //item->getJsonKey() + ":" + item->getJsonValue(); } } if ( ! values.isEmpty() ) { values.remove(0, 1); } if ( m_type == vtfArray ) { values = "[" + values + "]"; }else { values = "{" + values + "}"; } }else { if ( m_type == vtfArray ) { values = "[]"; }else { values = getJsonValue(); } } return m_key.isEmpty() ? values : getJsonKey() + ":" + values; } QString JSONObject::getString() const { QString ret; switch(m_type) { default: case 0: // null ret = ""; break; case 1: // string ret = m_string; break; case 2: // int ret = QString::number(m_int); break; case 3: // double ret = QString::number(m_double); break; case 4: // bool ret = m_bool ? "true" : "false"; break; case 5: // datetime ret = "\"" + m_datetime.toString("yyyy/MM/dd HH:mm:ss.zzz") + "\""; break; } return ret; } int JSONObject::getInt() const { int ret; switch(m_type) { default: case 0: // null ret = 0; break; case 1: // string ret = m_string.toInt(); break; case 2: // int ret = m_int; break; case 3: // double ret = m_double; break; case 4: // bool ret = m_bool ? 1 : 0; break; case 5: // datetime