diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/winapi/cmd_line.hpp | 101 |
1 files changed, 59 insertions, 42 deletions
diff --git a/include/winapi/cmd_line.hpp b/include/winapi/cmd_line.hpp index 4d652e9..f19d6b9 100644 --- a/include/winapi/cmd_line.hpp +++ b/include/winapi/cmd_line.hpp @@ -6,10 +6,16 @@ #pragma once #include "error.hpp" -#include "string.hpp" -#include <shellapi.h> +#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> @@ -23,21 +29,21 @@ namespace winapi { class CommandLine { public: - static CommandLine query() { return build_from_string(GetCommandLine()); } + 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::wstring argv0{argv[0]}; + std::string argv0{narrow(argv[0])}; --argc; ++argv; - std::vector<std::wstring> args; + std::vector<std::string> args; args.reserve(argc); for (int i = 0; i < argc; ++i) - args.emplace_back(argv[i]); + args.emplace_back(narrow(argv[i])); return {std::move(argv0), std::move(args)}; } @@ -46,118 +52,129 @@ public: bool has_argv0() const { return !argv0.empty(); } - std::wstring get_argv0() const { return argv0; } + std::string get_argv0() const { return argv0; } - std::wstring escape_argv0() const { return escape(get_argv0()); } + std::string escape_argv0() const { return escape(get_argv0()); } bool has_args() const { return !get_args().empty(); } - const std::vector<std::wstring>& get_args() const { return args; } + const std::vector<std::string>& get_args() const { return args; } - std::vector<std::wstring> escape_args() const { - std::vector<std::wstring> safe; + 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; } - static constexpr wchar_t sep() { return L' '; } + static BOOST_CONSTEXPR char sep() { return ' '; } - std::wstring join_args() const { return string::join(sep(), escape_args()); } + std::string join_args() const { + return boost::algorithm::join(escape_args(), std::string{sep()}); + } - std::wstring join() const { + std::string join() const { if (!has_argv0()) throw std::logic_error{"argv[0] isn't defined"}; - std::wostringstream oss; + std::ostringstream oss; oss << escape_argv0(); if (has_args()) - oss << sep() << string::join(sep(), escape_args()); + oss << sep() << join_args(); return oss.str(); } private: + static CommandLine build_from_string(const std::string& src) { + return build_from_string(widen(src)); + } + static CommandLine build_from_string(std::wstring src) { - string::trim(src); + boost::trim(src); if (src.empty()) return {}; int argc = 0; - std::unique_ptr<wchar_t*, LocalDelete> argv{CommandLineToArgvW(src.c_str(), &argc)}; + std::unique_ptr<wchar_t*, LocalDelete> argv{::CommandLineToArgvW(src.c_str(), &argc)}; if (argv.get() == NULL) - error::raise("CommandLineToArgvW"); + throw error::windows(GetLastError(), "CommandLineToArgvW"); if (argc == 0) return {}; - std::wstring argv0{argv.get()[0]}; + std::string argv0{narrow(argv.get()[0])}; - std::vector<std::wstring> args; + std::vector<std::string> args; args.reserve(argc - 1); for (int i = 1; i < argc; ++i) - args.emplace_back(argv.get()[i]); + args.emplace_back(narrow(argv.get()[i])); return {std::move(argv0), std::move(args)}; } - inline std::wstring escape_for_cmd(const std::wstring& arg) { - static constexpr auto escape_symbol = L'^'; - static constexpr auto dangerous_symbols = L"!\"%&()<>^|"; + 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); - string::prefix_with(safe, dangerous_symbols, escape_symbol); + 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::wstring escape(const std::wstring& arg) { - std::wstring safe; + static std::string escape(const std::string& arg) { + std::string safe; + // Including the quotes: safe.reserve(arg.length() + 2); - safe.push_back(L'"'); + safe.push_back('"'); for (auto it = arg.cbegin(); it != arg.cend(); ++it) { std::size_t numof_backslashes = 0; - for (; it != arg.cend() && *it == L'\\'; ++it) + for (; it != arg.cend() && *it == '\\'; ++it) ++numof_backslashes; if (it == arg.cend()) { safe.reserve(safe.capacity() + numof_backslashes); - safe.append(2 * numof_backslashes, L'\\'); + safe.append(2 * numof_backslashes, '\\'); break; } switch (*it) { case L'"': safe.reserve(safe.capacity() + numof_backslashes + 1); - safe.append(2 * numof_backslashes + 1, L'\\'); + safe.append(2 * numof_backslashes + 1, '\\'); break; default: - safe.append(numof_backslashes, L'\\'); + safe.append(numof_backslashes, '\\'); break; } safe.push_back(*it); } - safe.push_back(L'"'); + safe.push_back('"'); return safe; } - struct LocalDelete { - void operator()(wchar_t* argv[]) const { LocalFree(argv); } - }; - - CommandLine(std::vector<std::wstring>&& args) : args{std::move(args)} {} + CommandLine(std::vector<std::string>&& args) : args{std::move(args)} {} - CommandLine(std::wstring&& argv0, std::vector<std::wstring>&& args = {}) + CommandLine(std::string&& argv0, std::vector<std::string>&& args = {}) : argv0{std::move(argv0)}, args{std::move(args)} {} - const std::wstring argv0; - const std::vector<std::wstring> args; + const std::string argv0; + const std::vector<std::string> args; }; } // namespace winapi |