electron/shell/app/command_line_args.cc
Darshan Sen 4b9e804b82
refactor: use locale functions in command_line_args.cc (#29550)
This change refactors the code to use isalpha() and
isspace() so that the code is more readable.

Signed-off-by: Darshan Sen <raisinten@gmail.com>
2021-06-14 21:01:00 +09:00

54 lines
1.2 KiB
C++

// Copyright (c) 2018 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/app/command_line_args.h"
#include <locale>
namespace {
bool IsUrlArg(const base::CommandLine::CharType* arg) {
// the first character must be a letter for this to be a URL
auto c = *arg;
if (std::isalpha(c, std::locale::classic())) {
for (auto* p = arg + 1; *p; ++p) {
c = *p;
// colon indicates that the argument starts with a URI scheme
if (c == ':') {
// it could also be a Windows filesystem path
if (p == arg + 1)
break;
return true;
}
// white-space before a colon means it's not a URL
if (std::isspace(c, std::locale::classic()))
break;
}
}
return false;
}
} // namespace
namespace electron {
bool CheckCommandLineArguments(int argc, base::CommandLine::CharType** argv) {
const base::CommandLine::StringType dashdash(2, '-');
bool block_args = false;
for (int i = 0; i < argc; ++i) {
if (argv[i] == dashdash)
break;
if (block_args) {
return false;
} else if (IsUrlArg(argv[i])) {
block_args = true;
}
}
return true;
}
} // namespace electron