source: rtos_arduino/trunk/arduino_lib/libraries/Temboo/src/utility/ChoreoOutputFormatter.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: 4.6 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 "ChoreoOutputFormatter.h"
26#include "ChoreoOutputSet.h"
27
28static const char TAG_OUTPUTS_START[] PROGMEM = "\"outputs\":[";
29static const char TAG_NAME[] PROGMEM = "\"name\":";
30static const char TAG_PATH[] PROGMEM = "\"path\":";
31static const char TAG_VAR[] PROGMEM = "\"variable\":";
32
33
34ChoreoOutputFormatter::ChoreoOutputFormatter(const ChoreoOutputSet* outputSet) {
35 m_outputSet = outputSet;
36 reset();
37}
38
39void ChoreoOutputFormatter::reset() {
40 m_currentOutput = NULL;
41 m_nextChar = NULL;
42 if (m_outputSet == NULL || m_outputSet->isEmpty()) {
43 m_nextState = END;
44 } else {
45 m_nextState = START;
46 }
47}
48
49bool ChoreoOutputFormatter::hasNext() {
50 return m_nextState != END;
51}
52
53char ChoreoOutputFormatter::next() {
54 char c = '\0';
55 switch(m_nextState) {
56 case START:
57 c = readStartTagChar(TAG_OUTPUTS_START, OUTPUTS_TAG);
58 break;
59
60 case OUTPUTS_TAG:
61 c = readTagChar(OUTPUT_START);
62 if (m_nextState == OUTPUT_START) {
63 m_currentOutput = m_outputSet->getFirstOutput();
64 }
65 break;
66
67 case OUTPUT_START:
68 c = '{';
69 m_nextChar = TAG_NAME;
70 m_nextState = NAME_TAG;
71 break;
72
73 case NAME_TAG:
74 c = readTagChar(NAME_START);
75 break;
76
77 case NAME_START:
78 c = '"';
79 m_nextChar = m_currentOutput->getName();
80 if ((NULL == m_nextChar) || ('\0' == *m_nextChar)) {
81 m_nextState = NAME_END;
82 } else {
83 m_nextState = NAME;
84 }
85 break;
86
87 case NAME:
88 c = readValueChar(NAME_END);
89 break;
90
91 case NAME_END:
92 c = '"';
93 m_nextState = NAME_PATH_SEPARATOR;
94 break;
95
96 case NAME_PATH_SEPARATOR:
97 c = ',';
98 m_nextState = PATH_TAG;
99 m_nextChar = TAG_PATH;
100 break;
101
102 case PATH_TAG:
103 c = readTagChar(PATH_START);
104 break;
105
106 case PATH_START:
107 c = '"';
108 m_nextChar = m_currentOutput->getPath();
109 if ((NULL == m_nextChar) || ('\0' == *m_nextChar)) {
110 m_nextState = PATH_END;
111 } else {
112 m_nextState = PATH;
113 }
114 break;
115
116 case PATH:
117 c = readValueChar(PATH_END);
118 break;
119
120 case PATH_END:
121 c = '"';
122 m_nextState = PATH_VAR_SEPARATOR;
123 break;
124
125 case PATH_VAR_SEPARATOR:
126 c = ',';
127 m_nextState = VAR_TAG;
128 m_nextChar = TAG_VAR;
129 break;
130
131 case VAR_TAG:
132 c = readTagChar(VAR_START);
133 break;
134
135 case VAR_START:
136 c = '"';
137 m_nextChar = m_currentOutput->getVariable();
138 if ((NULL == m_nextChar) || ('\0' == *m_nextChar)) {
139 m_nextState = VAR_END;
140 } else {
141 m_nextState = VAR;
142 }
143 break;
144
145 case VAR:
146 c = readValueChar(VAR_END);
147 break;
148
149 case VAR_END:
150 c = '"';
151 m_nextState = OUTPUT_END;
152 break;
153
154 case OUTPUT_END:
155 c = '}';
156 m_currentOutput = m_currentOutput->getNext();
157 if (m_currentOutput != NULL) {
158 m_nextState = NEXT_OUTPUT;
159 } else {
160 m_nextState = OUTPUTS_END;
161 }
162 break;
163
164 case NEXT_OUTPUT:
165 c = ',';
166 m_nextChar = m_currentOutput->getName();
167 m_nextState = OUTPUT_START;
168 break;
169
170 case OUTPUTS_END:
171 c = ']';
172 m_nextState = END;
173 break;
174 case END:
175 default:
176 c = '\0';
177 }
178
179 return c;
180}
181
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