mbed.org implementation of the abstract SmartREST library for the Cumulocity Platform SmartREST protocol.
Dependents: MbedSmartRestMain MbedSmartRestMain
CharValue.cpp@0:099f76422485, 2014-07-03 (annotated)
- Committer:
- Cumulocity
- Date:
- Thu Jul 03 20:38:04 2014 +0200
- Revision:
- 0:099f76422485
- Child:
- 7:8159a2d12e4e
Updated from revision 0413a0179eb6
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Cumulocity | 0:099f76422485 | 1 | /* |
Cumulocity | 0:099f76422485 | 2 | * CharValue.cpp |
Cumulocity | 0:099f76422485 | 3 | * |
Cumulocity | 0:099f76422485 | 4 | * Created on: Nov 1, 2013 |
Cumulocity | 0:099f76422485 | 5 | * * Authors: Vincent Wochnik <v.wochnik@gmail.com> |
Cumulocity | 0:099f76422485 | 6 | * |
Cumulocity | 0:099f76422485 | 7 | * Copyright (c) 2013 Cumulocity GmbH |
Cumulocity | 0:099f76422485 | 8 | * |
Cumulocity | 0:099f76422485 | 9 | * Permission is hereby granted, free of charge, to any person obtaining |
Cumulocity | 0:099f76422485 | 10 | * a copy of this software and associated documentation files (the |
Cumulocity | 0:099f76422485 | 11 | * "Software"), to deal in the Software without restriction, including |
Cumulocity | 0:099f76422485 | 12 | * without limitation the rights to use, copy, modify, merge, publish, |
Cumulocity | 0:099f76422485 | 13 | * distribute, sublicense, and/or sell copies of the Software, and to |
Cumulocity | 0:099f76422485 | 14 | * permit persons to whom the Software is furnished to do so, subject to |
Cumulocity | 0:099f76422485 | 15 | * the following conditions: |
Cumulocity | 0:099f76422485 | 16 | * |
Cumulocity | 0:099f76422485 | 17 | * The above copyright notice and this permission notice shall be |
Cumulocity | 0:099f76422485 | 18 | * included in all copies or substantial portions of the Software. |
Cumulocity | 0:099f76422485 | 19 | * |
Cumulocity | 0:099f76422485 | 20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
Cumulocity | 0:099f76422485 | 21 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
Cumulocity | 0:099f76422485 | 22 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
Cumulocity | 0:099f76422485 | 23 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
Cumulocity | 0:099f76422485 | 24 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
Cumulocity | 0:099f76422485 | 25 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
Cumulocity | 0:099f76422485 | 26 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
Cumulocity | 0:099f76422485 | 27 | */ |
Cumulocity | 0:099f76422485 | 28 | |
Cumulocity | 0:099f76422485 | 29 | #include "CharValue.h" |
Cumulocity | 0:099f76422485 | 30 | #include "NullValue.h" |
Cumulocity | 0:099f76422485 | 31 | #include <stdlib.h> |
Cumulocity | 0:099f76422485 | 32 | #include <string.h> |
Cumulocity | 0:099f76422485 | 33 | |
Cumulocity | 0:099f76422485 | 34 | inline int8_t __charvalue_need_escape(const char *str); |
Cumulocity | 0:099f76422485 | 35 | |
Cumulocity | 0:099f76422485 | 36 | CharValue::CharValue(const char *str, bool copy) |
Cumulocity | 0:099f76422485 | 37 | { |
Cumulocity | 0:099f76422485 | 38 | if ((str == NULL) || (*str == '\0')) { |
Cumulocity | 0:099f76422485 | 39 | _alloc = false; |
Cumulocity | 0:099f76422485 | 40 | _str = NULL; |
Cumulocity | 0:099f76422485 | 41 | } else { |
Cumulocity | 0:099f76422485 | 42 | _alloc = copy; |
Cumulocity | 0:099f76422485 | 43 | if (copy) { |
Cumulocity | 0:099f76422485 | 44 | _str = (const char*)malloc(strlen(str)*sizeof(char)); |
Cumulocity | 0:099f76422485 | 45 | strcpy((char*)_str, str); |
Cumulocity | 0:099f76422485 | 46 | } else { |
Cumulocity | 0:099f76422485 | 47 | _str = str; |
Cumulocity | 0:099f76422485 | 48 | } |
Cumulocity | 0:099f76422485 | 49 | } |
Cumulocity | 0:099f76422485 | 50 | } |
Cumulocity | 0:099f76422485 | 51 | |
Cumulocity | 0:099f76422485 | 52 | CharValue::~CharValue() |
Cumulocity | 0:099f76422485 | 53 | { |
Cumulocity | 0:099f76422485 | 54 | if (_alloc) |
Cumulocity | 0:099f76422485 | 55 | free((void*)_str); |
Cumulocity | 0:099f76422485 | 56 | } |
Cumulocity | 0:099f76422485 | 57 | |
Cumulocity | 0:099f76422485 | 58 | uint8_t CharValue::valueType() const |
Cumulocity | 0:099f76422485 | 59 | { |
Cumulocity | 0:099f76422485 | 60 | if (_str == NULL) |
Cumulocity | 0:099f76422485 | 61 | return VALUE_NULL; |
Cumulocity | 0:099f76422485 | 62 | return VALUE_CHARACTER; |
Cumulocity | 0:099f76422485 | 63 | } |
Cumulocity | 0:099f76422485 | 64 | |
Cumulocity | 0:099f76422485 | 65 | long CharValue::integerValue() const |
Cumulocity | 0:099f76422485 | 66 | { |
Cumulocity | 0:099f76422485 | 67 | return 0; |
Cumulocity | 0:099f76422485 | 68 | } |
Cumulocity | 0:099f76422485 | 69 | |
Cumulocity | 0:099f76422485 | 70 | double CharValue::floatValue() const |
Cumulocity | 0:099f76422485 | 71 | { |
Cumulocity | 0:099f76422485 | 72 | return 0.0; |
Cumulocity | 0:099f76422485 | 73 | } |
Cumulocity | 0:099f76422485 | 74 | |
Cumulocity | 0:099f76422485 | 75 | const char * CharValue::characterValue() const |
Cumulocity | 0:099f76422485 | 76 | { |
Cumulocity | 0:099f76422485 | 77 | return _str; |
Cumulocity | 0:099f76422485 | 78 | } |
Cumulocity | 0:099f76422485 | 79 | |
Cumulocity | 0:099f76422485 | 80 | size_t CharValue::write(AbstractDataSink& sink) const |
Cumulocity | 0:099f76422485 | 81 | { |
Cumulocity | 0:099f76422485 | 82 | if (_str == NULL) |
Cumulocity | 0:099f76422485 | 83 | return 0; |
Cumulocity | 0:099f76422485 | 84 | size_t n = 0; |
Cumulocity | 0:099f76422485 | 85 | int8_t esc = __charvalue_need_escape(_str) ? 1 : 0; |
Cumulocity | 0:099f76422485 | 86 | if (esc) n += sink.write('"'); |
Cumulocity | 0:099f76422485 | 87 | for (char *q = (char*)_str, c; (c = *q) != 0; q++) { |
Cumulocity | 0:099f76422485 | 88 | if ((esc) && (c == '"')) |
Cumulocity | 0:099f76422485 | 89 | n += sink.write('"'); |
Cumulocity | 0:099f76422485 | 90 | n += sink.write(c); |
Cumulocity | 0:099f76422485 | 91 | } |
Cumulocity | 0:099f76422485 | 92 | if (esc) n += sink.write('"'); |
Cumulocity | 0:099f76422485 | 93 | return n; |
Cumulocity | 0:099f76422485 | 94 | } |
Cumulocity | 0:099f76422485 | 95 | |
Cumulocity | 0:099f76422485 | 96 | size_t CharValue::length() const |
Cumulocity | 0:099f76422485 | 97 | { |
Cumulocity | 0:099f76422485 | 98 | if (_str == NULL) |
Cumulocity | 0:099f76422485 | 99 | return 0; |
Cumulocity | 0:099f76422485 | 100 | size_t n = 0; |
Cumulocity | 0:099f76422485 | 101 | int8_t esc = __charvalue_need_escape(_str) ? 1 : 0; |
Cumulocity | 0:099f76422485 | 102 | if (esc) |
Cumulocity | 0:099f76422485 | 103 | n += 2; |
Cumulocity | 0:099f76422485 | 104 | for (char *q = (char*)_str, c; (c = *q) != 0; q++) { |
Cumulocity | 0:099f76422485 | 105 | if ((esc) && (c == '"')) |
Cumulocity | 0:099f76422485 | 106 | n++; |
Cumulocity | 0:099f76422485 | 107 | n++; |
Cumulocity | 0:099f76422485 | 108 | } |
Cumulocity | 0:099f76422485 | 109 | return n; |
Cumulocity | 0:099f76422485 | 110 | } |
Cumulocity | 0:099f76422485 | 111 | |
Cumulocity | 0:099f76422485 | 112 | int8_t __charvalue_need_escape(const char *str) |
Cumulocity | 0:099f76422485 | 113 | { |
Cumulocity | 0:099f76422485 | 114 | int8_t w = 0; |
Cumulocity | 0:099f76422485 | 115 | for (char c; (c = *str) != 0; str++) { |
Cumulocity | 0:099f76422485 | 116 | if ((c == ' ') || (c == '\t')) { |
Cumulocity | 0:099f76422485 | 117 | if (w == 0) |
Cumulocity | 0:099f76422485 | 118 | return 1; |
Cumulocity | 0:099f76422485 | 119 | w = 2; |
Cumulocity | 0:099f76422485 | 120 | } else { |
Cumulocity | 0:099f76422485 | 121 | w = 1; |
Cumulocity | 0:099f76422485 | 122 | if ((c == '"') || (c == ',') || (c == '\r') || (c == '\n')) |
Cumulocity | 0:099f76422485 | 123 | return 1; |
Cumulocity | 0:099f76422485 | 124 | } |
Cumulocity | 0:099f76422485 | 125 | } |
Cumulocity | 0:099f76422485 | 126 | if (w == 2) |
Cumulocity | 0:099f76422485 | 127 | return 1; |
Cumulocity | 0:099f76422485 | 128 | return 0; |
Cumulocity | 0:099f76422485 | 129 | } |
Cumulocity | 0:099f76422485 | 130 | |
Cumulocity | 0:099f76422485 | 131 | Value* CharValue::copy() const |
Cumulocity | 0:099f76422485 | 132 | { |
Cumulocity | 0:099f76422485 | 133 | if (_str == NULL) |
Cumulocity | 0:099f76422485 | 134 | return new NullValue(); |
Cumulocity | 0:099f76422485 | 135 | return new CharValue(_str, true); |
Cumulocity | 0:099f76422485 | 136 | } |
Cumulocity | 0:099f76422485 | 137 |