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-rw-r--r--include/winapi/cmd_line.hpp138
1 files changed, 9 insertions, 129 deletions
diff --git a/include/winapi/cmd_line.hpp b/include/winapi/cmd_line.hpp
index 025b09a..ac88286 100644
--- a/include/winapi/cmd_line.hpp
+++ b/include/winapi/cmd_line.hpp
@@ -5,22 +5,8 @@
#pragma once
-#include "error.hpp"
-
-#include <winapi/utf8.hpp>
-
-#include <boost/algorithm/string.hpp>
#include <boost/config.hpp>
-// clang-format off
-#include <windows.h>
-#include <shellapi.h>
-// clang-format on
-
-#include <cstddef>
-#include <memory>
-#include <sstream>
-#include <stdexcept>
#include <string>
#include <utility>
#include <vector>
@@ -29,24 +15,9 @@ namespace winapi {
class CommandLine {
public:
- static CommandLine query() { return build_from_string(::GetCommandLineW()); }
-
- static CommandLine build_from_main(int argc, wchar_t* argv[]) {
- if (argc < 1)
- throw std::range_error{"invalid argc value"};
-
- std::string argv0{narrow(argv[0])};
- --argc;
- ++argv;
-
- std::vector<std::string> args;
- args.reserve(argc);
+ static CommandLine query();
- for (int i = 0; i < argc; ++i)
- args.emplace_back(narrow(argv[i]));
-
- return {std::move(argv0), std::move(args)};
- }
+ static CommandLine build_from_main(int argc, wchar_t* argv[]);
CommandLine() = default;
@@ -60,113 +31,22 @@ public:
const std::vector<std::string>& get_args() const { return args; }
- std::vector<std::string> escape_args() const {
- std::vector<std::string> safe;
- safe.reserve(args.size());
- for (const auto& arg : args)
- safe.emplace_back(escape(arg));
- return safe;
- }
+ std::vector<std::string> escape_args() const;
static BOOST_CONSTEXPR char sep() { return ' '; }
- std::string join_args() const {
- return boost::algorithm::join(escape_args(), std::string{sep()});
- }
+ std::string join_args() const;
- std::string join() const {
- if (!has_argv0())
- throw std::logic_error{"argv[0] isn't defined"};
- std::ostringstream oss;
- oss << escape_argv0();
- if (has_args())
- oss << sep() << join_args();
- return oss.str();
- }
+ std::string join() const;
private:
- static CommandLine build_from_string(const std::string& src) {
- return build_from_string(widen(src));
- }
-
- static CommandLine build_from_string(std::wstring src) {
- boost::trim(src);
- if (src.empty())
- return {};
-
- int argc = 0;
- std::unique_ptr<wchar_t*, LocalDelete> argv{::CommandLineToArgvW(src.c_str(), &argc)};
-
- if (argv.get() == NULL)
- throw error::windows(GetLastError(), "CommandLineToArgvW");
-
- if (argc == 0)
- return {};
-
- std::string argv0{narrow(argv.get()[0])};
-
- std::vector<std::string> args;
- args.reserve(argc - 1);
-
- for (int i = 1; i < argc; ++i)
- args.emplace_back(narrow(argv.get()[i]));
-
- return {std::move(argv0), std::move(args)};
- }
-
- struct LocalDelete {
- void operator()(wchar_t* argv[]) const { ::LocalFree(argv); }
- };
-
- static std::string escape_for_cmd(const std::string& arg) {
- BOOST_STATIC_CONSTEXPR auto escape_symbol = '^';
- static const std::string dangerous_symbols{"^!\"%&()<>|"};
-
- auto safe = escape(arg);
- for (const auto danger : dangerous_symbols) {
- std::ostringstream replacement;
- replacement << escape_symbol << danger;
- boost::replace_all(safe, std::string{danger}, replacement.str());
- }
- return safe;
- }
-
- static std::string escape(const std::string& arg) {
- std::string safe;
- // Including the quotes:
- safe.reserve(arg.length() + 2);
-
- safe.push_back('"');
-
- for (auto it = arg.cbegin(); it != arg.cend(); ++it) {
- std::size_t numof_backslashes = 0;
-
- for (; it != arg.cend() && *it == '\\'; ++it)
- ++numof_backslashes;
-
- if (it == arg.cend()) {
- safe.reserve(safe.capacity() + numof_backslashes);
- safe.append(2 * numof_backslashes, '\\');
- break;
- }
-
- switch (*it) {
- case L'"':
- safe.reserve(safe.capacity() + numof_backslashes + 1);
- safe.append(2 * numof_backslashes + 1, '\\');
- break;
+ static CommandLine build_from_string(const std::string&);
- default:
- safe.append(numof_backslashes, '\\');
- break;
- }
+ static CommandLine build_from_string(std::wstring);
- safe.push_back(*it);
- }
+ static std::string escape_for_cmd(const std::string&);
- safe.push_back('"');
- return safe;
- }
+ static std::string escape(const std::string&);
CommandLine(std::vector<std::string>&& args) : args(std::move(args)) {}