forked from chakra-core/ChakraCore
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathHostConfigFlags.cpp
More file actions
147 lines (133 loc) · 3.67 KB
/
HostConfigFlags.cpp
File metadata and controls
147 lines (133 loc) · 3.67 KB
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
//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------
#include "stdafx.h"
HostConfigFlags HostConfigFlags::flags;
LPWSTR* HostConfigFlags::argsVal;
int HostConfigFlags::argsCount;
void(__stdcall *HostConfigFlags::pfnPrintUsage)();
template <>
void HostConfigFlags::Parse<bool>(ICmdLineArgsParser * parser, bool * value)
{
*value = parser->GetCurrentBoolean();
}
template <>
void HostConfigFlags::Parse<int>(ICmdLineArgsParser * parser, int* value)
{
try
{
*value = parser->GetCurrentInt();
}
catch (...)
{
// Don't do anything, *value will remain its default value.
}
}
template <>
void HostConfigFlags::Parse<BSTR>(ICmdLineArgsParser * parser, BSTR * bstr)
{
if (*bstr != NULL)
{
SysFreeString(*bstr);
}
*bstr = parser->GetCurrentString();
if (*bstr == NULL)
{
*bstr = SysAllocString(_u(""));
}
}
HostConfigFlags::HostConfigFlags() :
#define FLAG(Type, Name, Desc, Default) \
Name##IsEnabled(false), \
Name(Default),
#include "HostConfigFlagsList.h"
nDummy(0)
{
}
bool HostConfigFlags::ParseFlag(LPCWSTR flagsString, ICmdLineArgsParser * parser)
{
#define FLAG(Type, Name, Desc, Default) \
if (_wcsicmp(_u(#Name), flagsString) == 0) \
{ \
this->Name##IsEnabled = true; \
Parse<Type>(parser, &this->Name); \
return true; \
}
#include "HostConfigFlagsList.h"
return false;
}
void HostConfigFlags::PrintUsageString()
{
#define FLAG(Type, Name, Desc, Default) \
wprintf(_u("%20ls \t%ls\n"), _u(#Name), _u(#Desc));
#include "HostConfigFlagsList.h"
}
void HostConfigFlags::PrintUsage()
{
if (pfnPrintUsage)
{
pfnPrintUsage();
}
wprintf(_u("\nFlag List : \n"));
HostConfigFlags::PrintUsageString();
ChakraRTInterface::PrintConfigFlagsUsageString();
}
int HostConfigFlags::FindArg(int argc, _In_reads_(argc) PWSTR argv[], PCWSTR targetArg, size_t targetArgLen)
{
return FindArg(argc, argv, [=](PCWSTR arg) -> bool
{
return _wcsnicmp(arg, targetArg, targetArgLen) == 0;
});
}
void HostConfigFlags::RemoveArg(int& argc, _Inout_updates_to_(argc, argc) LPWSTR argv[], int index)
{
Assert(index >= 0 && index < argc);
for (int i = index + 1; i < argc; ++i)
{
argv[i - 1] = argv[i];
}
--argc;
}
void HostConfigFlags::HandleArgsFlag(int& argc, _Inout_updates_to_(argc, argc) LPWSTR argv[])
{
const LPCWSTR argsFlag = _u("-args");
const LPCWSTR endArgsFlag = _u("-endargs");
int argsFlagLen = static_cast<int>(wcslen(argsFlag));
int i;
for (i = 1; i < argc; i++)
{
if (_wcsnicmp(argv[i], argsFlag, argsFlagLen) == 0)
{
break;
}
}
int argsStart = ++i;
for (; i < argc; i++)
{
if (_wcsnicmp(argv[i], endArgsFlag, argsFlagLen) == 0)
{
break;
}
}
int argsEnd = i;
int argsCount = argsEnd - argsStart;
if (argsCount == 0)
{
return;
}
HostConfigFlags::argsVal = new LPWSTR[argsCount];
HostConfigFlags::argsCount = argsCount;
int argIndex = argsStart;
for (i = 0; i < argsCount; i++)
{
HostConfigFlags::argsVal[i] = argv[argIndex++];
}
argIndex = argsStart - 1;
for (i = argsEnd + 1; i < argc; i++)
{
argv[argIndex++] = argv[i];
}
Assert(argIndex == argc - argsCount - 1 - (argsEnd < argc));
argc = argIndex;
}