vsg 1.1.9
VulkanSceneGraph library
 
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AsciiInput.h
1#pragma once
2
3/* <editor-fold desc="MIT License">
4
5Copyright(c) 2018 Robert Osfield
6
7Permission 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:
8
9The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
10
11THE 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.
12
13</editor-fold> */
14
15#include <vsg/core/Object.h>
16
17#include <vsg/io/Input.h>
18#include <vsg/io/ObjectFactory.h>
19#include <vsg/io/Options.h>
20
21#include <fstream>
22
23namespace vsg
24{
25
28 class VSG_DECLSPEC AsciiInput : public vsg::Input
29 {
30 public:
31 using ObjectID = uint32_t;
32
33 AsciiInput(std::istream& input, ref_ptr<ObjectFactory> in_objectFactory, ref_ptr<const Options> in_options = {});
34
35 bool matchPropertyName(const char* propertyName) override;
36
37 using OptionalObjectID = std::pair<bool, ObjectID>;
38
39 OptionalObjectID objectID();
40
41 template<typename T>
42 void _read(size_t num, T* value)
43 {
44 if (num == 1)
45 {
46 _input >> *value;
47 }
48 else
49 {
50 for (; num > 0; --num, ++value)
51 {
52 _input >> *value;
53 }
54 }
55 }
56
57 template<typename R, typename T>
58 void _read_withcast(size_t num, T* value)
59 {
60 if (num == 1)
61 {
62 R v;
63 _input >> v;
64 *value = static_cast<T>(v);
65 }
66 else
67 {
68 R v;
69 for (; num > 0; --num, ++value)
70 {
71 _input >> v;
72 *value = static_cast<T>(v);
73 }
74 }
75 }
76
77 // read value(s)
78 void read(size_t num, int8_t* value) override { _read_withcast<int16_t>(num, value); }
79 void read(size_t num, uint8_t* value) override { _read_withcast<uint16_t>(num, value); }
80 void read(size_t num, int16_t* value) override { _read(num, value); }
81 void read(size_t num, uint16_t* value) override { _read(num, value); }
82 void read(size_t num, int32_t* value) override { _read(num, value); }
83 void read(size_t num, uint32_t* value) override { _read(num, value); }
84 void read(size_t num, int64_t* value) override { _read(num, value); }
85 void read(size_t num, uint64_t* value) override { _read(num, value); }
86 void read(size_t num, float* value) override { _read(num, value); }
87 void read(size_t num, double* value) override { _read(num, value); }
88 void read(size_t num, long double* value) override { _read(num, value); }
89
90 // read in an individual string
91 void _read(std::string& value);
92
93 // read in an individual string
94 void _read(std::wstring& value);
95
97 void read(size_t num, std::string* value) override;
98
100 void read(size_t num, std::wstring* value) override;
101
103 void read(size_t num, Path* value) override;
104
107
108 protected:
109 std::istream& _input;
110
111 std::string _readPropertyName;
112 };
113
114} // namespace vsg
void read(size_t num, std::string *value) override
read one or more strings
bool matchPropertyName(const char *propertyName) override
return true if property name matches the next token in the stream, or if property names are not requi...
void read(size_t num, std::wstring *value) override
read one or more strings
void read(size_t num, Path *value) override
read one or more paths
vsg::ref_ptr< vsg::Object > read() override
read object
Definition Input.h:44
Definition Path.h:34
Definition ref_ptr.h:22