Own fork of MbedSmartRest
Dependents: MbedSmartRestMain MbedSmartRestMain
Fork of MbedSmartRest by
CharValue.cpp
- Committer:
- xinlei
- Date:
- 2015-03-20
- Revision:
- 19:81dfc04ce0bb
- Parent:
- 11:e1bee9a77652
File content as of revision 19:81dfc04ce0bb:
/* * CharValue.cpp * * Created on: Nov 1, 2013 * * Authors: Vincent Wochnik <v.wochnik@gmail.com> * * Copyright (c) 2013 Cumulocity GmbH * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "CharValue.h" #include "NullValue.h" #include <stdlib.h> #include <string.h> #include <ctype.h> /*-------------------------------------------------------------------------*/ CharValue::CharValue(const char *str, bool copy) { if ((str == NULL) || (*str == '\0')) { _alloc = false; _str = NULL; } else { _alloc = copy; if (copy) { _str = (const char*)malloc(strlen(str)*sizeof(char)); if (_str == NULL) return; strcpy((char*)_str, str); _escape = escapeCheck(); } else { _str = str; _escape = escapeCheck(); } } } /*-------------------------------------------------------------------------*/ CharValue::~CharValue() { if (_alloc) free((void*)_str); } /*-------------------------------------------------------------------------*/ uint8_t CharValue::valueType() const { if (_str == NULL) return VALUE_NULL; return VALUE_CHARACTER; } /*-------------------------------------------------------------------------*/ long CharValue::integerValue() const { return 0; } /*-------------------------------------------------------------------------*/ double CharValue::floatValue() const { return 0.0; } /*-------------------------------------------------------------------------*/ const char * CharValue::characterValue() const { return _str; } /*-------------------------------------------------------------------------*/ size_t CharValue::write(AbstractDataSink& sink) const { size_t n; const char *ptr; char c; if (_str == NULL) return 0; n = 0; if (_escape) n += sink.write('"'); for (ptr = _str; (c = *ptr) != '\0'; ptr++) { if ((_escape) && (c == '"')) n += sink.write('"'); n += sink.write(c); } if (_escape) n += sink.write('"'); return n; } /*-------------------------------------------------------------------------*/ size_t CharValue::length() const { size_t n; const char *ptr; char c; if (_str == NULL) return 0; n = 0; if (_escape) n += 2; for (ptr = _str; (c = *ptr) != '\0'; ptr++) { if ((_escape) && (c == '"')) n++; n++; } return n; } /*-------------------------------------------------------------------------*/ Value* CharValue::copy() const { if (_str == NULL) return new NullValue(); return new CharValue(_str, true); } /*-------------------------------------------------------------------------*/ bool CharValue::escapeCheck() { const char *ptr = _str; char c = '\0'; while (*ptr != '\0') { c = *ptr; if ((isspace(c)) && ((ptr == _str) || (c != ' '))) return true; else if ((c == '"') || (c == ',')) return true; ptr++; } if (isspace(c)) return true; else return false; } /*-------------------------------------------------------------------------*/