1 //
2 // Copyright 2016 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
7 // Section 6. Trademarks. is deleted and replaced with:
8 //
9 // 6. Trademarks. This License does not grant permission to use the trade
10 // names, trademarks, service marks, or product names of the Licensor
11 // and its affiliates, except as required to comply with Section 4(c) of
12 // the License and to reproduce the content of the NOTICE file.
13 //
14 // You may obtain a copy of the Apache License at
15 //
16 // http://www.apache.org/licenses/LICENSE-2.0
17 //
18 // Unless required by applicable law or agreed to in writing, software
19 // distributed under the Apache License with the above modification is
20 // distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
21 // KIND, either express or implied. See the Apache License for the specific
22 // language governing permissions and limitations under the Apache License.
23 //
24
25 #include "pxr/pxr.h"
26 #include "pxr/base/arch/env.h"
27 #include "pxr/base/tf/getenv.h"
28 #include <ctype.h>
29 #include <string>
30
31 using std::string;
32
33 PXR_NAMESPACE_OPEN_SCOPE
34
35 string
TfGetenv(const string & envName,const string & defaultValue)36 TfGetenv(const string& envName, const string& defaultValue)
37 {
38 string value = ArchGetEnv(envName);
39
40 if (value.empty())
41 return defaultValue;
42 else
43 return value;
44 }
45
46 int
TfGetenvInt(const string & envName,int defaultValue)47 TfGetenvInt(const string& envName, int defaultValue)
48 {
49 string value = ArchGetEnv(envName);
50
51 if (value.empty())
52 return defaultValue;
53 else
54 return std::stoi(value);
55 }
56
57 bool
TfGetenvBool(const string & envName,bool defaultValue)58 TfGetenvBool(const string& envName, bool defaultValue)
59 {
60 string value = ArchGetEnv(envName);
61
62 if (value.empty())
63 return defaultValue;
64 else {
65 for (char& c: value)
66 c = tolower(c);
67
68 return value == "true" ||
69 value == "yes" ||
70 value == "on" ||
71 value == "1";
72 }
73 }
74
75 double
TfGetenvDouble(const string & envName,double defaultValue)76 TfGetenvDouble(const string& envName, double defaultValue)
77 {
78 string value = ArchGetEnv(envName);
79
80 if (value.empty())
81 return defaultValue;
82 else
83 return std::stod(value);
84 }
85
86 PXR_NAMESPACE_CLOSE_SCOPE
87