1 // ANNA - Anna is Not 'N' Anymore
3 // (c) Copyright 2005-2014 Eduardo Ramos Testillano & Francisco Ruiz Rayo
5 // https://bitbucket.org/testillano/anna
7 // Redistribution and use in source and binary forms, with or without
8 // modification, are permitted provided that the following conditions
11 // * Redistributions of source code must retain the above copyright
12 // notice, this list of conditions and the following disclaimer.
13 // * Redistributions in binary form must reproduce the above
14 // copyright notice, this list of conditions and the following disclaimer
15 // in the documentation and/or other materials provided with the
17 // * Neither the name of Google Inc. nor the names of its
18 // contributors may be used to endorse or promote products derived from
19 // this software without specific prior written permission.
21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 // Authors: eduardo.ramos.testillano@gmail.com
34 // cisco.tierra@gmail.com
37 #ifndef anna_time_internal_TZ_hpp
38 #define anna_time_internal_TZ_hpp
45 //------------------------------------------------------------------------------
46 //---------------------------------------------------------------------- #define
47 //------------------------------------------------------------------------------
62 TZ() { a_initialized = false; };
68 void set(const char *input) {
70 a_value = input ? input : "";
74 TZ & operator = (const TZ &tz) {
75 if(this == &tz) return (*this);
77 a_initialized = tz.isInitialized();
78 a_value = tz.getValue();
79 a_isUnset = tz.isUnset();
87 friend bool operator == (const TZ & tz1, const TZ & tz2) {
88 if(tz1.isInitialized() != tz2.isInitialized())
92 return (tz2.isUnset());
94 return (tz1.getValue() == tz2.getValue());
97 friend bool operator != (const TZ & tz1, const TZ & tz2) {
98 return (!(tz1 == tz2));
101 const std::string & getValue(void) const throw() {
106 bool isInitialized(void) const throw() {
107 return (a_initialized);
111 bool isUnset(void) const throw() { return (a_isUnset); }
112 bool isEmpty(void) const throw() { return (getValue() == ""); }
114 std::string getShellAssignment(void) const throw() {
115 std::string assignment;
118 assignment = "unset TZ";
121 assignment += getValue();