[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 "BaseFormatter.h"
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| 24 |
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| 25 | char BaseFormatter::escape(char c) {
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| 26 | char outChar = c;
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| 27 | switch(c) {
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| 28 | case '\\':
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| 29 | case '"':
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| 30 | outChar = '\\';
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| 31 | m_escapedChar = c;
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| 32 | break;
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| 33 | case '\b':
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| 34 | outChar = '\\';
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| 35 | m_escapedChar = 'b';
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| 36 | break;
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| 37 | case '\f':
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| 38 | outChar = '\\';
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| 39 | m_escapedChar = 'f';
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| 40 | break;
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| 41 | case '\n':
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| 42 | outChar = '\\';
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| 43 | m_escapedChar = 'n';
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| 44 | break;
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| 45 | case '\r':
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| 46 | outChar = '\\';
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| 47 | m_escapedChar = 'r';
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| 48 | break;
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| 49 | case '\t':
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| 50 | outChar = '\\';
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| 51 | m_escapedChar = 't';
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| 52 | break;
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| 53 | default:
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| 54 | m_escapedChar = '\0';
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| 55 | }
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| 56 | return outChar;
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| 57 | }
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| 58 |
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| 59 | char BaseFormatter::finishEscape() {
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| 60 | char c = m_escapedChar;
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| 61 | m_escapedChar = '\0';
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| 62 | return c;
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| 63 | }
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| 64 |
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| 65 | char BaseFormatter::readTagChar(int nextState) {
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| 66 | char c = pgm_read_byte(m_nextChar++);
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| 67 | if (pgm_read_byte(m_nextChar) == '\0') {
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| 68 | m_nextState = nextState;
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| 69 | }
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| 70 | return c;
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| 71 | }
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| 72 |
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| 73 | char BaseFormatter::readValueChar(int nextState) {
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| 74 | char c;
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| 75 | if (isEscaping()) {
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| 76 | c = finishEscape();
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| 77 | if (*m_nextChar == '\0') {
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| 78 | m_nextState = nextState;
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| 79 | }
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| 80 | } else {
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| 81 | c = escape(*m_nextChar++);
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| 82 | if (!isEscaping()) {
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| 83 | if(*m_nextChar == '\0') {
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| 84 | m_nextState = nextState;
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| 85 | }
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| 86 | }
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| 87 | }
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| 88 | return c;
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| 89 | }
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| 90 |
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| 91 | char BaseFormatter::readStartTagChar(const char* tag, int nextState) {
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| 92 | m_nextChar = tag;
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| 93 | char c = pgm_read_byte(m_nextChar++);
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| 94 | m_nextState = nextState;
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| 95 | return c;
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| 96 | }
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