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#include "pch.h"
#include "VcpkgCmdArguments.h"
#include "metrics.h"
#include "vcpkg_Commands.h"
#include "vcpkg_GlobalState.h"
#include "vcpkg_System.h"
namespace vcpkg
{
static void parse_value(const std::string* arg_begin,
const std::string* arg_end,
const std::string& option_name,
std::unique_ptr<std::string>& option_field)
{
if (arg_begin == arg_end)
{
System::println(System::Color::error, "Error: expected value after %s", option_name);
Metrics::g_metrics.lock()->track_property("error", "error option name");
Commands::Help::print_usage();
Checks::exit_fail(VCPKG_LINE_INFO);
}
if (option_field != nullptr)
{
System::println(System::Color::error, "Error: %s specified multiple times", option_name);
Metrics::g_metrics.lock()->track_property("error", "error option specified multiple times");
Commands::Help::print_usage();
Checks::exit_fail(VCPKG_LINE_INFO);
}
option_field = std::make_unique<std::string>(*arg_begin);
}
static void parse_switch(bool new_setting, const std::string& option_name, Optional<bool>& option_field)
{
if (option_field && option_field != new_setting)
{
System::println(System::Color::error, "Error: conflicting values specified for --%s", option_name);
Metrics::g_metrics.lock()->track_property("error", "error conflicting switches");
Commands::Help::print_usage();
Checks::exit_fail(VCPKG_LINE_INFO);
}
option_field = new_setting;
}
VcpkgCmdArguments VcpkgCmdArguments::create_from_command_line(const int argc, const wchar_t* const* const argv)
{
std::vector<std::string> v;
for (int i = 1; i < argc; ++i)
{
v.push_back(Strings::to_utf8(argv[i]));
}
return VcpkgCmdArguments::create_from_arg_sequence(v.data(), v.data() + v.size());
}
VcpkgCmdArguments VcpkgCmdArguments::create_from_arg_sequence(const std::string* arg_begin,
const std::string* arg_end)
{
VcpkgCmdArguments args;
for (; arg_begin != arg_end; ++arg_begin)
{
std::string arg = *arg_begin;
if (arg.empty())
{
continue;
}
if (arg[0] == '-' && arg[1] != '-')
{
Metrics::g_metrics.lock()->track_property("error", "error short options are not supported");
Checks::exit_with_message(VCPKG_LINE_INFO, "Error: short options are not supported: %s", arg);
}
if (arg[0] == '-' && arg[1] == '-')
{
// make argument case insensitive
auto& f = std::use_facet<std::ctype<char>>(std::locale());
f.tolower(&arg[0], &arg[0] + arg.size());
// command switch
if (arg == "--vcpkg-root")
{
++arg_begin;
parse_value(arg_begin, arg_end, "--vcpkg-root", args.vcpkg_root_dir);
continue;
}
if (arg == "--triplet")
{
++arg_begin;
parse_value(arg_begin, arg_end, "--triplet", args.triplet);
continue;
}
if (arg == "--debug")
{
parse_switch(true, "debug", args.debug);
continue;
}
if (arg == "--sendmetrics")
{
parse_switch(true, "sendmetrics", args.sendmetrics);
continue;
}
if (arg == "--printmetrics")
{
parse_switch(true, "printmetrics", args.printmetrics);
continue;
}
if (arg == "--no-sendmetrics")
{
parse_switch(false, "sendmetrics", args.sendmetrics);
continue;
}
if (arg == "--no-printmetrics")
{
parse_switch(false, "printmetrics", args.printmetrics);
continue;
}
if (arg == "--featurepackages")
{
GlobalState::feature_packages = true;
continue;
}
const auto eq_pos = arg.find('=');
if (eq_pos != std::string::npos)
{
args.optional_command_arguments.emplace(arg.substr(0, eq_pos), arg.substr(eq_pos + 1));
}
else
{
args.optional_command_arguments.emplace(arg, nullopt);
}
continue;
}
if (args.command.empty())
{
args.command = arg;
}
else
{
args.command_arguments.push_back(arg);
}
}
return args;
}
ParsedArguments VcpkgCmdArguments::check_and_get_optional_command_arguments(
const std::vector<std::string>& valid_switches, const std::vector<std::string>& valid_settings) const
{
bool failed = false;
ParsedArguments output;
auto options_copy = this->optional_command_arguments;
for (const std::string& option : valid_switches)
{
const auto it = options_copy.find(option);
if (it != options_copy.end())
{
if (it->second.has_value())
{
// Having a string value indicates it was passed like '--a=xyz'
System::println(System::Color::error, "The option '%s' does not accept an argument.", option);
failed = true;
}
else
{
output.switches.insert(option);
options_copy.erase(it);
}
}
}
for (const std::string& option : valid_settings)
{
const auto it = options_copy.find(option);
if (it != options_copy.end())
{
if (!it->second.has_value())
{
// Not having a string value indicates it was passed like '--a'
System::println(System::Color::error, "The option '%s' must be passed an argument.", option);
failed = true;
}
else
{
output.settings.emplace(option, it->second.value_or_exit(VCPKG_LINE_INFO));
options_copy.erase(it);
}
}
}
if (!options_copy.empty())
{
System::println(System::Color::error, "Unknown option(s) for command '%s':", this->command);
for (auto&& option : options_copy)
{
System::println(" %s", option.first);
}
System::println("\nValid options are:", this->command);
for (auto&& option : valid_switches)
{
System::println(" %s", option);
}
for (auto&& option : valid_settings)
{
System::println(" %s=...", option);
}
System::println(" --triplet <t>");
System::println(" --vcpkg-root <path>");
Checks::exit_fail(VCPKG_LINE_INFO);
}
if (failed) Checks::exit_fail(VCPKG_LINE_INFO);
return output;
}
void VcpkgCmdArguments::check_max_arg_count(const size_t expected_arg_count) const
{
return check_max_arg_count(expected_arg_count, Strings::EMPTY);
}
void VcpkgCmdArguments::check_min_arg_count(const size_t expected_arg_count) const
{
return check_min_arg_count(expected_arg_count, Strings::EMPTY);
}
void VcpkgCmdArguments::check_exact_arg_count(const size_t expected_arg_count) const
{
return check_exact_arg_count(expected_arg_count, Strings::EMPTY);
}
void VcpkgCmdArguments::check_max_arg_count(const size_t expected_arg_count, const std::string& example_text) const
{
const size_t actual_arg_count = command_arguments.size();
if (actual_arg_count > expected_arg_count)
{
System::println(System::Color::error,
"Error: `%s` requires at most %u arguments, but %u were provided",
this->command,
expected_arg_count,
actual_arg_count);
System::print(example_text);
Checks::exit_fail(VCPKG_LINE_INFO);
}
}
void VcpkgCmdArguments::check_min_arg_count(const size_t expected_arg_count, const std::string& example_text) const
{
const size_t actual_arg_count = command_arguments.size();
if (actual_arg_count < expected_arg_count)
{
System::println(System::Color::error,
"Error: `%s` requires at least %u arguments, but %u were provided",
this->command,
expected_arg_count,
actual_arg_count);
System::print(example_text);
Checks::exit_fail(VCPKG_LINE_INFO);
}
}
void VcpkgCmdArguments::check_exact_arg_count(const size_t expected_arg_count,
const std::string& example_text) const
{
const size_t actual_arg_count = command_arguments.size();
if (actual_arg_count != expected_arg_count)
{
System::println(System::Color::error,
"Error: `%s` requires %u arguments, but %u were provided",
this->command,
expected_arg_count,
actual_arg_count);
System::print(example_text);
Checks::exit_fail(VCPKG_LINE_INFO);
}
}
}
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