| /* | |
| ############################################################################### | |
| # | |
| # 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. | |
| # | |
| ############################################################################### | |
| */ | |
| char BaseFormatter::escape(char c) { | |
| char outChar = c; | |
| switch(c) { | |
| case '\\': | |
| case '"': | |
| outChar = '\\'; | |
| m_escapedChar = c; | |
| break; | |
| case '\b': | |
| outChar = '\\'; | |
| m_escapedChar = 'b'; | |
| break; | |
| case '\f': | |
| outChar = '\\'; | |
| m_escapedChar = 'f'; | |
| break; | |
| case '\n': | |
| outChar = '\\'; | |
| m_escapedChar = 'n'; | |
| break; | |
| case '\r': | |
| outChar = '\\'; | |
| m_escapedChar = 'r'; | |
| break; | |
| case '\t': | |
| outChar = '\\'; | |
| m_escapedChar = 't'; | |
| break; | |
| default: | |
| m_escapedChar = '\0'; | |
| } | |
| return outChar; | |
| } | |
| char BaseFormatter::finishEscape() { | |
| char c = m_escapedChar; | |
| m_escapedChar = '\0'; | |
| return c; | |
| } | |
| char BaseFormatter::readTagChar(int nextState) { | |
| char c = pgm_read_byte(m_nextChar++); | |
| if (pgm_read_byte(m_nextChar) == '\0') { | |
| m_nextState = nextState; | |
| } | |
| return c; | |
| } | |
| char BaseFormatter::readValueChar(int nextState) { | |
| char c; | |
| if (isEscaping()) { | |
| c = finishEscape(); | |
| if (*m_nextChar == '\0') { | |
| m_nextState = nextState; | |
| } | |
| } else { | |
| c = escape(*m_nextChar++); | |
| if (!isEscaping()) { | |
| if(*m_nextChar == '\0') { | |
| m_nextState = nextState; | |
| } | |
| } | |
| } | |
| return c; | |
| } | |
| char BaseFormatter::readStartTagChar(const char* tag, int nextState) { | |
| m_nextChar = tag; | |
| char c = pgm_read_byte(m_nextChar++); | |
| m_nextState = nextState; | |
| return c; | |
| } | |