summaryrefslogtreecommitdiffstatshomepage
path: root/src/osd/modules/render/bgfx/statereader.cpp
blob: 0f43ad71b091a2b0734064c37284e9b9d8a6f90a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
//================================================================
//
//  statereader.cpp - Generic functions for reading state from
//  a JSON file using RapidJSON.
//
//================================================================

#include "statereader.h"

#include <math.h>

uint64_t state_reader::get_enum_from_value(const Value& value, std::string name, const uint64_t default_value, const string_to_enum* enums, const int count)
{
	if (value.HasMember(name.c_str()))
	{
		assert(value[name.c_str()].IsString());
		return get_param_from_string(value[name.c_str()].GetString(), enums, count);
	}
	else
	{
		return default_value;
	}
}

uint64_t state_reader::get_param_from_string(std::string value, const string_to_enum* enums, const int count)
{
	for (int i = 0; i < count; i++)
	{
		if (value == enums[i].m_string)
		{
			return enums[i].m_enum;
		}
	}
	assert(false);
	return 0;
}

void state_reader::validate_array_parameter(const Value& value, std::string typeName, std::string paramName, const int count)
{
	const char* name = paramName.c_str();
	if (value.HasMember(name))
	{
		assert(value[name].IsArray());
		assert(value[name].Size() == count);
	}
}

void state_reader::validate_float_parameter(const Value& value, std::string typeName, std::string name)
{
	if (value.HasMember(name.c_str()))
	{
		assert(value[name.c_str()].IsFloat());
	}
}

void state_reader::validate_int_parameter(const Value& value, std::string typeName, std::string name)
{
	if (value.HasMember(name.c_str()))
	{
		assert(value[name.c_str()].IsInt());
	}
}

void state_reader::validate_string_parameter(const Value& value, std::string typeName, std::string name)
{
	if (value.HasMember(name.c_str()))
	{
		assert(value[name.c_str()].IsString());
	}
}

void state_reader::validate_boolean_parameter(const Value& value, std::string typeName, std::string name)
{
	if (value.HasMember(name.c_str()))
	{
		assert(value[name.c_str()].IsBool());
	}
}

bool state_reader::get_bool(const Value& value, const std::string name, const bool default_value)
{
	if (value.HasMember(name.c_str()))
	{
		return value[name.c_str()].GetBool();
	}
	return default_value;
}

int state_reader::get_int(const Value& value, const std::string name, const int default_value)
{
	if (value.HasMember(name.c_str()))
	{
		return int(floor(value[name.c_str()].GetDouble() + 0.5));
	}
	return default_value;
}

float state_reader::get_float(const Value& value, const std::string name, const float default_value)
{
	if (value.HasMember(name.c_str()))
	{
		return (float)value[name.c_str()].GetDouble();
	}
	return default_value;
}

void state_reader::get_float(const Value& value, const std::string name, float* out, float* default_value, int count)
{
	if (value.HasMember(name.c_str()))
	{
		if (count == 1)
		{
			*out = (float) value[name.c_str()].GetDouble();
			return;
		}
		else
		{
			get_vec_values(value[name.c_str()], out, count);
		}
	}
	for (int def = 0; def < count; def++)
	{
		out[def] = default_value[def];
	}
}

void state_reader::get_vec_values(const Value& value_array, float* data, const unsigned int count)
{
	for (unsigned int i = 0; i < count && i < value_array.Size(); i++)
	{
		data[i] = (float) value_array[i].GetDouble();
	}
}

std::string state_reader::get_string(const Value& value, const std::string name, const std::string default_value)
{
	if (value.HasMember(name.c_str()))
	{
		return std::string(value[name.c_str()].GetString());
	}
	return default_value;
}