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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include <initializer_list>
#include <iostream>
#include <string>
#include <vector>
#include <cm/optional>
#include <cm/string_view>
#include <cmext/string_view>
#include "cmArgumentParser.h"
#include "cmArgumentParserTypes.h"
namespace {
struct Result : public ArgumentParser::ParseResult
{
bool Option1 = false;
bool Option2 = false;
std::string String1;
cm::optional<std::string> String2;
cm::optional<std::string> String3;
ArgumentParser::Maybe<std::string> String4;
ArgumentParser::NonEmpty<std::vector<std::string>> List1;
ArgumentParser::NonEmpty<std::vector<std::string>> List2;
cm::optional<ArgumentParser::NonEmpty<std::vector<std::string>>> List3;
cm::optional<ArgumentParser::NonEmpty<std::vector<std::string>>> List4;
cm::optional<ArgumentParser::NonEmpty<std::vector<std::string>>> List5;
cm::optional<ArgumentParser::MaybeEmpty<std::vector<std::string>>> List6;
std::vector<std::vector<std::string>> Multi1;
std::vector<std::vector<std::string>> Multi2;
cm::optional<std::vector<std::vector<std::string>>> Multi3;
cm::optional<std::vector<std::vector<std::string>>> Multi4;
};
std::initializer_list<cm::string_view> const args = {
/* clang-format off */
"OPTION_1", // option
// "OPTION_2", // option that is not present
"STRING_1", // string arg missing value
"STRING_2", "foo", "bar", // string arg + unparsed value, presence captured
// "STRING_3", // string arg that is not present
"STRING_4", // string arg allowed to be missing value
"LIST_1", // list arg missing values
"LIST_2", "foo", "bar", // list arg with 2 elems
"LIST_3", "bar", // list arg ...
"LIST_3", "foo", // ... with continuation
"LIST_4", // list arg missing values, presence captured
// "LIST_5", // list arg that is not present
"LIST_6", // list arg allowed to be empty
"MULTI_2", // multi list with 0 lists
"MULTI_3", "foo", "bar", // multi list with first list with two elems
"MULTI_3", "bar", "foo", // multi list with second list with two elems
// "MULTI_4", // multi list arg that is not present
/* clang-format on */
};
bool verifyResult(Result const& result,
std::vector<std::string> const& unparsedArguments,
std::vector<cm::string_view> const& keywordsMissingValue)
{
static std::vector<std::string> const foobar = { "foo", "bar" };
static std::vector<std::string> const barfoo = { "bar", "foo" };
static std::vector<cm::string_view> const missing = { "STRING_1"_s,
"LIST_1"_s,
"LIST_4"_s };
#define ASSERT_TRUE(x) \
do { \
if (!(x)) { \
std::cout << "ASSERT_TRUE(" #x ") failed on line " << __LINE__ << "\n"; \
return false; \
} \
} while (false)
ASSERT_TRUE(result);
ASSERT_TRUE(result.Option1);
ASSERT_TRUE(!result.Option2);
ASSERT_TRUE(result.String1.empty());
ASSERT_TRUE(result.String2);
ASSERT_TRUE(*result.String2 == "foo");
ASSERT_TRUE(!result.String3);
ASSERT_TRUE(result.String4.empty());
ASSERT_TRUE(result.List1.empty());
ASSERT_TRUE(result.List2 == foobar);
ASSERT_TRUE(result.List3);
ASSERT_TRUE(*result.List3 == barfoo);
ASSERT_TRUE(result.List4);
ASSERT_TRUE(result.List4->empty());
ASSERT_TRUE(!result.List5);
ASSERT_TRUE(result.List6);
ASSERT_TRUE(result.List6->empty());
ASSERT_TRUE(result.Multi1.empty());
ASSERT_TRUE(result.Multi2.size() == 1);
ASSERT_TRUE(result.Multi2[0].empty());
ASSERT_TRUE(result.Multi3);
ASSERT_TRUE((*result.Multi3).size() == 2);
ASSERT_TRUE((*result.Multi3)[0] == foobar);
ASSERT_TRUE((*result.Multi3)[1] == barfoo);
ASSERT_TRUE(!result.Multi4);
ASSERT_TRUE(unparsedArguments.size() == 1);
ASSERT_TRUE(unparsedArguments[0] == "bar");
ASSERT_TRUE(keywordsMissingValue == missing);
return true;
}
bool testArgumentParserDynamic()
{
Result result;
std::vector<std::string> unparsedArguments;
std::vector<cm::string_view> keywordsMissingValue;
static_cast<ArgumentParser::ParseResult&>(result) =
cmArgumentParser<void>{}
.Bind("OPTION_1"_s, result.Option1)
.Bind("OPTION_2"_s, result.Option2)
.Bind("STRING_1"_s, result.String1)
.Bind("STRING_2"_s, result.String2)
.Bind("STRING_3"_s, result.String3)
.Bind("STRING_4"_s, result.String4)
.Bind("LIST_1"_s, result.List1)
.Bind("LIST_2"_s, result.List2)
.Bind("LIST_3"_s, result.List3)
.Bind("LIST_4"_s, result.List4)
.Bind("LIST_5"_s, result.List5)
.Bind("LIST_6"_s, result.List6)
.Bind("MULTI_1"_s, result.Multi1)
.Bind("MULTI_2"_s, result.Multi2)
.Bind("MULTI_3"_s, result.Multi3)
.Bind("MULTI_4"_s, result.Multi4)
.Parse(args, &unparsedArguments, &keywordsMissingValue);
return verifyResult(result, unparsedArguments, keywordsMissingValue);
}
static auto const parserStatic = //
cmArgumentParser<Result>{}
.Bind("OPTION_1"_s, &Result::Option1)
.Bind("OPTION_2"_s, &Result::Option2)
.Bind("STRING_1"_s, &Result::String1)
.Bind("STRING_2"_s, &Result::String2)
.Bind("STRING_3"_s, &Result::String3)
.Bind("STRING_4"_s, &Result::String4)
.Bind("LIST_1"_s, &Result::List1)
.Bind("LIST_2"_s, &Result::List2)
.Bind("LIST_3"_s, &Result::List3)
.Bind("LIST_4"_s, &Result::List4)
.Bind("LIST_5"_s, &Result::List5)
.Bind("LIST_6"_s, &Result::List6)
.Bind("MULTI_1"_s, &Result::Multi1)
.Bind("MULTI_2"_s, &Result::Multi2)
.Bind("MULTI_3"_s, &Result::Multi3)
.Bind("MULTI_4"_s, &Result::Multi4)
/* keep semicolon on own line */;
bool testArgumentParserStatic()
{
std::vector<std::string> unparsedArguments;
std::vector<cm::string_view> keywordsMissingValue;
Result const result =
parserStatic.Parse(args, &unparsedArguments, &keywordsMissingValue);
return verifyResult(result, unparsedArguments, keywordsMissingValue);
}
bool testArgumentParserStaticBool()
{
std::vector<std::string> unparsedArguments;
std::vector<cm::string_view> keywordsMissingValue;
Result result;
ASSERT_TRUE(parserStatic.Parse(result, args, &unparsedArguments,
&keywordsMissingValue) == true);
return verifyResult(result, unparsedArguments, keywordsMissingValue);
}
} // namespace
int testArgumentParser(int /*unused*/, char* /*unused*/ [])
{
if (!testArgumentParserDynamic()) {
std::cout << "While executing testArgumentParserDynamic().\n";
return -1;
}
if (!testArgumentParserStatic()) {
std::cout << "While executing testArgumentParserStatic().\n";
return -1;
}
if (!testArgumentParserStaticBool()) {
std::cout << "While executing testArgumentParserStaticBool().\n";
return -1;
}
return 0;
}
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