source: rtos_arduino/trunk/arduino_lib/libraries/Temboo/src/utility/ChoreoInputFormatter.cpp@ 136

Last change on this file since 136 was 136, checked in by ertl-honda, 8 years ago

ライブラリとOS及びベーシックなサンプルの追加．
File size: 3.3 KB
Line 
1/*
2###############################################################################
3#
4# Temboo Arduino library
5#
6# Copyright 2014, Temboo Inc.
7#
8# Licensed under the Apache License, Version 2.0 (the "License");
9# you may not use this file except in compliance with the License.
10# You may obtain a copy of the License at
11#
12# http://www.apache.org/licenses/LICENSE-2.0
13#
14# Unless required by applicable law or agreed to in writing,
15# software distributed under the License is distributed on an
16# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
17# either express or implied. See the License for the specific
18# language governing permissions and limitations under the License.
19#
20###############################################################################
21*/
22
23#include <stddef.h>
24#include <avr/pgmspace.h>
25#include "ChoreoInputFormatter.h"
26#include "ChoreoInputSet.h"
27
28static const char TAG_INPUTS_START[] PROGMEM = "\"inputs\":{";
29
30ChoreoInputFormatter::ChoreoInputFormatter(const ChoreoInputSet* inputSet) {
31 m_inputSet = inputSet;
32 reset();
33}
34
35void ChoreoInputFormatter::reset() {
36 m_currentInput = NULL;
37 m_nextChar = NULL;
38 if (m_inputSet == NULL || m_inputSet->isEmpty()) {
39 m_nextState = END;
40 } else {
41 m_nextState = START;
42 }
43}
44
45bool ChoreoInputFormatter::hasNext() {
46 return m_nextState != END;
47}
48
49char ChoreoInputFormatter::next() {
50 char c;
51 switch(m_nextState) {
52 case START:
53 c = readStartTagChar(TAG_INPUTS_START, INPUTS_TAG);
54 break;
55
56 case INPUTS_TAG:
57 c = readTagChar(NAME_START);
58 if (m_nextState == NAME_START) {
59 m_currentInput= m_inputSet->getFirstInput();
60 }
61 break;
62
63 case NAME_START:
64 c = '"';
65 m_nextChar = m_currentInput->getName();
66 if ((NULL == m_nextChar) || ('\0' == *m_nextChar)) {
67 m_nextState = NAME_END;
68 } else {
69 m_nextState = NAME;
70 }
71 break;
72
73 case NAME:
74 c = readValueChar(NAME_END);
75 break;
76
77 case NAME_END:
78 c = '"';
79 m_nextState = NAME_VALUE_SEPARATOR;
80 break;
81
82 case NAME_VALUE_SEPARATOR:
83 c = ':';
84 m_nextState = VALUE_START;
85 break;
86
87 case VALUE_START:
88 c = '"';
89 m_nextChar = m_currentInput->getValue();
90 if ((NULL == m_nextChar) || ('\0' == *m_nextChar)) {
91 m_nextState = VALUE_END;
92 } else {
93 m_nextState = VALUE;
94 }
95 break;
96
97 case VALUE:
98 c = readValueChar(VALUE_END);
99 break;
100
101 case VALUE_END:
102 c = '"';
103 m_currentInput = m_currentInput->getNext();
104 if (m_currentInput != NULL) {
105 m_nextState = NEXT_INPUT;
106 } else {
107 m_nextState = INPUTS_END;
108 }
109 break;
110 case NEXT_INPUT:
111 c = ',';
112 m_nextChar = m_currentInput->getName();
113 m_nextState = NAME_START;
114 break;
115
116 case INPUTS_END:
117 c = '}';
118 m_nextState = END;
119 break;
120 case END:
121 default:
122 c = '\0';
123 }
124 return c;
125}
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