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###############################################################################
#
# Temboo Arduino library
#
# Copyright 2017, Temboo Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
# either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
#
###############################################################################
*/
#include <stddef.h>
#include <avr/pgmspace.h>
#include "ChoreoInputFormatter.h"
#include "ChoreoInputSet.h"
static const char TAG_INPUTS_START[] PROGMEM = "\"inputs\":{";
ChoreoInputFormatter::ChoreoInputFormatter(const ChoreoInputSet* inputSet) {
m_inputSet = inputSet;
reset();
}
void ChoreoInputFormatter::reset() {
m_currentInput = NULL;
m_nextChar = NULL;
if (m_inputSet == NULL || m_inputSet->isEmpty()) {
m_nextState = END;
} else {
m_nextState = START;
}
}
bool ChoreoInputFormatter::hasNext() {
return m_nextState != END;
}
char ChoreoInputFormatter::next() {
char c;
switch(m_nextState) {
case START:
c = readStartTagChar(TAG_INPUTS_START, INPUTS_TAG);
break;
case INPUTS_TAG:
c = readTagChar(NAME_START);
if (m_nextState == NAME_START) {
m_currentInput= m_inputSet->getFirstInput();
}
break;
case NAME_START:
c = '"';
m_nextChar = m_currentInput->getName();
if ((NULL == m_nextChar) || ('\0' == *m_nextChar)) {
m_nextState = NAME_END;
} else {
m_nextState = NAME;
}
break;
case NAME:
c = readValueChar(NAME_END);
break;
case NAME_END:
c = '"';
m_nextState = NAME_VALUE_SEPARATOR;
break;
case NAME_VALUE_SEPARATOR:
c = ':';
m_nextState = VALUE_START;
break;
case VALUE_START:
c = '"';
m_nextChar = m_currentInput->getValue();
if ((NULL == m_nextChar) || ('\0' == *m_nextChar)) {
m_nextState = VALUE_END;
} else {
m_nextState = VALUE;
}
break;
case VALUE:
c = readValueChar(VALUE_END);
break;
case VALUE_END:
c = '"';
m_currentInput = m_currentInput->getNext();
if (m_currentInput != NULL) {
m_nextState = NEXT_INPUT;
} else {
m_nextState = INPUTS_END;
}
break;
case NEXT_INPUT:
c = ',';
m_nextChar = m_currentInput->getName();
m_nextState = NAME_START;
break;
case INPUTS_END:
c = '}';
m_nextState = END;
break;
case END:
default:
c = '\0';
}
return c;
}
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