91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
/*
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###############################################################################
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#
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# Temboo Arduino library
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#
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# Copyright 2017, Temboo Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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# either express or implied. See the License for the specific
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# language governing permissions and limitations under the License.
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#
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###############################################################################
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*/
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#include <stddef.h>
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#include <avr/pgmspace.h>
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#include "ChoreoDeviceFormatter.h"
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#include "ChoreoDevice.h"
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static const char TAG_DEVICE[] PROGMEM = "\"deviceType\":";
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static const char TAG_DEVICE_NAME[] PROGMEM = "\"device\":";
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ChoreoDeviceFormatter::ChoreoDeviceFormatter(const ChoreoDevice* device, Type type) {
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m_device = device;
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m_type = type;
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reset();
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}
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void ChoreoDeviceFormatter::reset() {
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m_nextChar = NULL;
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if (m_device == NULL || m_device->isEmpty()) {
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m_nextState = END;
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} else {
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m_nextState = START;
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}
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}
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bool ChoreoDeviceFormatter::hasNext() {
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return m_nextState != END;
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}
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char ChoreoDeviceFormatter::next() {
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char c = '\0';
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switch(m_nextState) {
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case START:
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if (m_type == DEVICE_TYPE) {
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c = readStartTagChar(TAG_DEVICE, DEVICE_TAG);
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} else {
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c = readStartTagChar(TAG_DEVICE_NAME, DEVICE_TAG);
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}
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break;
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case DEVICE_TAG:
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c = readTagChar(NAME_START);
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break;
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case NAME_START:
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c = '"';
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m_nextChar = m_device->getName();
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if ((NULL == m_nextChar) || ('\0' == *m_nextChar)) {
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m_nextState = NAME_END;
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} else {
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m_nextState = NAME;
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}
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break;
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case NAME:
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c = readValueChar(NAME_END);
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break;
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case NAME_END:
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c = '"';
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m_nextState = END;
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break;
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case END:
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default:
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c = '\0';
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}
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return c;
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}
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