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
145
146
147
148
149
150
151
|
/* Copyright (C) 2023 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "CmdLineArgs.h"
#include "lib/sysdep/sysdep.h"
#include "scriptinterface/Object.h"
#include "scriptinterface/ScriptConversions.h"
#include <algorithm>
#include <iterator>
#include <string_view>
#include <unordered_map>
CmdLineArgs g_CmdLineArgs;
namespace
{
// Simple matcher for elements of the arguments container.
class IsKeyEqualTo
{
public:
IsKeyEqualTo(const CStr& value) : m_Value(value) {}
bool operator()(const std::pair<CStr, CStr>& p) const
{
return p.first == m_Value;
}
private:
const CStr m_Value;
};
} // namespace
CmdLineArgs::CmdLineArgs(const PS::span<const char* const> argv)
{
if (argv.empty())
return;
std::string arg0(argv[0]);
// avoid OsPath complaining about mixing both types of separators,
// which happens when running in the VC2010 debugger
std::replace(arg0.begin(), arg0.end(), '/', SYS_DIR_SEP);
m_Arg0 = arg0;
// Implicit conversion from const char* to std::string_view.
for (const std::string_view arg : argv.subspan(1))
{
// Only accept arguments that start with '-'
if (arg[0] != '-')
{
m_ArgsWithoutName.emplace_back(arg);
continue;
}
// Allow -arg and --arg
const std::string_view afterDashes = arg.substr(arg[1] == '-' ? 2 : 1);
// Check for "-arg=value"
const std::string_view::iterator eq =
std::find(afterDashes.begin(), afterDashes.end(), '=');
CStr value = (eq != afterDashes.end()) ? CStr{eq + 1, afterDashes.end()} : CStr{};
m_Args.emplace_back(CStr(afterDashes.begin(), eq), std::move(value));
}
}
bool CmdLineArgs::Has(const CStr& name) const
{
return std::any_of(m_Args.begin(), m_Args.end(), IsKeyEqualTo(name));
}
CStr CmdLineArgs::Get(const CStr& name) const
{
ArgsT::const_iterator it = std::find_if(m_Args.begin(), m_Args.end(), IsKeyEqualTo(name));
return it != m_Args.end() ? it->second : "";
}
std::vector<CStr> CmdLineArgs::GetMultiple(const CStr& name) const
{
std::vector<CStr> values;
ArgsT::const_iterator it = m_Args.begin();
while ((it = std::find_if(it, m_Args.end(), IsKeyEqualTo(name))) != m_Args.end())
{
values.push_back(it->second);
// Start searching from the next one in the next iteration
++it;
}
return values;
}
OsPath CmdLineArgs::GetArg0() const
{
return m_Arg0;
}
const CmdLineArgs::ArgsT& CmdLineArgs::GetArgs() const
{
return m_Args;
}
std::vector<CStr> CmdLineArgs::GetArgsWithoutName() const
{
return m_ArgsWithoutName;
}
template<> void Script::ToJSVal<CmdLineArgs>(const ScriptRequest& rq, JS::MutableHandleValue ret, const CmdLineArgs& val)
{
if (!Script::CreateObject(rq, ret))
return;
std::unordered_map<CStr, std::vector<CStr>> args;
for (const std::pair<CStr, CStr>& arg : val.GetArgs())
args.emplace(arg.first, std::vector<CStr>{}).first->second.emplace_back(arg.second);
JS::RootedValue argVal(rq.cx);
for (const auto& arg : args)
{
if (arg.second.size() == 1)
{
if (arg.second[0].empty())
argVal = JS::UndefinedHandleValue;
else
Script::ToJSVal(rq, &argVal, arg.second[0]);
Script::SetProperty(rq, ret, arg.first.c_str(), argVal);
}
else
{
Script::ToJSVal(rq, &argVal, arg.second);
Script::SetProperty(rq, ret, arg.first.c_str(), argVal);
}
}
}
|
