[136] | 1 | /*
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| 2 | ###############################################################################
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| 3 | #
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| 4 | # Temboo Arduino library
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| 5 | #
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| 6 | # Copyright 2014, Temboo Inc.
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| 7 | #
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| 8 | # Licensed under the Apache License, Version 2.0 (the "License");
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| 9 | # you may not use this file except in compliance with the License.
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| 10 | # You may obtain a copy of the License at
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| 11 | #
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| 12 | # http://www.apache.org/licenses/LICENSE-2.0
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| 13 | #
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| 14 | # Unless required by applicable law or agreed to in writing,
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| 15 | # software distributed under the License is distributed on an
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| 16 | # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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| 17 | # either express or implied. See the License for the specific
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| 18 | # language governing permissions and limitations under the License.
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| 19 | #
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| 20 | ###############################################################################
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| 21 | */
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| 22 |
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| 23 | #include <stddef.h>
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| 24 | #include <avr/pgmspace.h>
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| 25 | #include "ChoreoPresetFormatter.h"
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| 26 | #include "ChoreoPreset.h"
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| 27 |
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| 28 | static const char TAG_PRESET[] PROGMEM = "\"preset\":";
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| 29 |
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| 30 | ChoreoPresetFormatter::ChoreoPresetFormatter(const ChoreoPreset* preset) {
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| 31 | m_preset = preset;
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| 32 | reset();
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| 33 | }
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| 34 |
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| 35 | void ChoreoPresetFormatter::reset() {
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| 36 | m_nextChar = NULL;
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| 37 | if (m_preset == NULL || m_preset->isEmpty()) {
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| 38 | m_nextState = END;
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| 39 | } else {
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| 40 | m_nextState = START;
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| 41 | }
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| 42 | }
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| 43 |
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| 44 | bool ChoreoPresetFormatter::hasNext() {
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| 45 | return m_nextState != END;
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| 46 | }
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| 47 |
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| 48 | char ChoreoPresetFormatter::next() {
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| 49 | char c = '\0';
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| 50 | switch(m_nextState) {
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| 51 | case START:
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| 52 | c = readStartTagChar(TAG_PRESET, PRESET_TAG);
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| 53 | break;
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| 54 |
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| 55 | case PRESET_TAG:
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| 56 | c = readTagChar(NAME_START);
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| 57 | break;
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| 58 |
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| 59 | case NAME_START:
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| 60 | c = '"';
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| 61 | m_nextChar = m_preset->getName();
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| 62 | if ((NULL == m_nextChar) || ('\0' == *m_nextChar)) {
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| 63 | m_nextState = NAME_END;
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| 64 | } else {
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| 65 | m_nextState = NAME;
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| 66 | }
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| 67 | break;
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| 68 |
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| 69 | case NAME:
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| 70 | c = readValueChar(NAME_END);
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| 71 | break;
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| 72 |
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| 73 | case NAME_END:
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| 74 | c = '"';
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| 75 | m_nextState = END;
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| 76 | break;
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| 77 |
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| 78 | case END:
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| 79 | default:
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| 80 | c = '\0';
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| 81 | }
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| 82 | return c;
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| 83 | }
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| 84 |
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