i am tired

v2
Brett 2025-02-13 01:53:21 -05:00
parent 0b2dad0dda
commit 44a57e5ec2
3 changed files with 59 additions and 100 deletions

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@ -1,6 +1,6 @@
cmake_minimum_required(VERSION 3.20) cmake_minimum_required(VERSION 3.20)
include(cmake/color.cmake) include(cmake/color.cmake)
set(BLT_VERSION 4.0.3) set(BLT_VERSION 4.0.4)
set(BLT_TARGET BLT) set(BLT_TARGET BLT)

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@ -44,14 +44,6 @@ namespace blt::argparse
namespace detail namespace detail
{ {
inline hashset_t<std::string_view> allowed_flag_prefixes = {"-", "--", "+"};
std::string flag_prefixes_as_string();
hashset_t<char> prefix_characters();
inline std::string flag_prefix_list_string = flag_prefixes_as_string();
inline auto prefix_characters_set = prefix_characters();
class bad_flag final : public std::runtime_error class bad_flag final : public std::runtime_error
{ {
public: public:
@ -111,24 +103,22 @@ namespace blt::argparse
class argument_string_t class argument_string_t
{ {
public: public:
explicit argument_string_t(const char* input): m_argument(input) explicit argument_string_t(const char* input, const hashset_t<char>& allowed_flag_prefix): m_argument(input),
allowed_flag_prefix(&allowed_flag_prefix)
{ {
if (input == nullptr) if (input == nullptr)
throw detail::bad_flag("Argument cannot be null!"); throw detail::bad_flag("Argument cannot be null!");
process_argument();
} }
[[nodiscard]] std::string_view get_flag() const [[nodiscard]] std::string_view get_flag() const
{ {
if (!m_flag_section) return m_flag_section;
process_argument();
return *m_flag_section;
} }
[[nodiscard]] std::string_view get_name() const [[nodiscard]] std::string_view get_name() const
{ {
if (!m_name_section) return m_name_section;
process_argument();
return *m_name_section;
} }
[[nodiscard]] std::string_view value() const [[nodiscard]] std::string_view value() const
@ -138,9 +128,7 @@ namespace blt::argparse
[[nodiscard]] bool is_flag() const [[nodiscard]] bool is_flag() const
{ {
if (!m_is_flag) return !m_flag_section.empty();
process_argument();
return *m_is_flag;
} }
[[nodiscard]] std::string_view get_argument() const [[nodiscard]] std::string_view get_argument() const
@ -149,31 +137,21 @@ namespace blt::argparse
} }
private: private:
void process_argument() const void process_argument()
{ {
size_t start = m_argument.size(); size_t start = 0;
for (auto [i, c] : enumerate(m_argument)) for (; start < m_argument.size() && allowed_flag_prefix->contains(m_argument[start]); start++)
{ {
if (!detail::prefix_characters_set.contains(c))
{
start = i;
break;
}
} }
m_is_flag = (start != 0);
m_flag_section = {m_argument.data(), start}; m_flag_section = {m_argument.data(), start};
m_name_section = {m_argument.data() + start, m_argument.size() - start}; m_name_section = {m_argument.data() + start, m_argument.size() - start};
if (!m_flag_section->empty() && !detail::allowed_flag_prefixes.contains(*m_flag_section))
throw detail::bad_flag(
"Invalid flag " + std::string(*m_flag_section) + " detected, flag is not in allowed list of flags! Must be one of " +
detail::flag_prefix_list_string);
} }
std::string_view m_argument; std::string_view m_argument;
mutable std::optional<bool> m_is_flag; std::string_view m_flag_section;
mutable std::optional<std::string_view> m_flag_section; std::string_view m_name_section;
mutable std::optional<std::string_view> m_name_section; const hashset_t<char>* allowed_flag_prefix;
}; };
class argument_consumer_t class argument_consumer_t
@ -230,8 +208,8 @@ namespace blt::argparse
class argument_parser_t class argument_parser_t
{ {
public: public:
argument_parser_t(const std::optional<std::string_view> name = {}, const std::optional<std::string_view> usage = {}): explicit argument_parser_t(const std::optional<std::string_view> name = {}, const std::optional<std::string_view> usage = {}):
m_name(name.value_or(std::optional<std::string>{})), m_usage(usage.value_or(std::optional<std::string>{})) m_name(name), m_usage(usage)
{ {
} }
@ -252,8 +230,16 @@ namespace blt::argparse
{ {
public: public:
private: argument_parser_t add_subparser(const std::string_view dest)
{
}
argument_parser_t add_subparser(std::string& dest)
{
}
private:
}; };
} }

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@ -22,34 +22,7 @@ namespace blt::argparse
{ {
namespace detail namespace detail
{ {
std::string flag_prefixes_as_string()
{
std::string result;
for (auto [i, v] : enumerate(allowed_flag_prefixes))
{
result += '\'';
result += v;
result += '\'';
if (i != allowed_flag_prefixes.size() - 2)
result += ", ";
else if (i != allowed_flag_prefixes.size() - 1)
{
if (allowed_flag_prefixes.size() > 2)
result += ',';
result += " or ";
}
}
return result;
}
hashset_t<char> prefix_characters()
{
hashset_t<char> result;
for (auto [i, v] : enumerate(allowed_flag_prefixes))
for (auto c : v)
result.insert(c);
return result;
}
} }
@ -57,93 +30,92 @@ namespace blt::argparse
{ {
// Unit Tests for class argument_string_t // Unit Tests for class argument_string_t
// Test Case 1: Ensure the constructor handles flags correctly // Test Case 1: Ensure the constructor handles flags correctly
void test_argument_string_t_flag_basic() void test_argument_string_t_flag_basic(const hashset_t<char>& prefixes)
{ {
const argument_string_t arg("-f"); const argument_string_t arg("-f", prefixes);
BLT_ASSERT(arg.is_flag() && "Expected argument to be identified as a flag."); BLT_ASSERT(arg.is_flag() && "Expected argument to be identified as a flag.");
BLT_ASSERT(arg.value() == "f" && "Flag value should match the input string."); BLT_ASSERT(arg.value() == "f" && "Flag value should match the input string.");
} }
// Test Case 2: Ensure the constructor handles long flags correctly // Test Case 2: Ensure the constructor handles long flags correctly
void test_argument_string_t_long_flag() void test_argument_string_t_long_flag(const hashset_t<char>& prefixes)
{ {
const argument_string_t arg("--file"); const argument_string_t arg("--file", prefixes);
BLT_ASSERT(arg.is_flag() && "Expected argument to be identified as a flag."); BLT_ASSERT(arg.is_flag() && "Expected argument to be identified as a flag.");
BLT_ASSERT(arg.value() == "file" && "Long flag value should match the input string."); BLT_ASSERT(arg.value() == "file" && "Long flag value should match the input string.");
} }
// Test Case 3: Ensure positional arguments are correctly identified // Test Case 3: Ensure positional arguments are correctly identified
void test_argument_string_t_positional_argument() void test_argument_string_t_positional_argument(const hashset_t<char>& prefixes)
{ {
const argument_string_t arg("filename.txt"); const argument_string_t arg("filename.txt", prefixes);
BLT_ASSERT(!arg.is_flag() && "Expected argument to be identified as positional."); BLT_ASSERT(!arg.is_flag() && "Expected argument to be identified as positional.");
BLT_ASSERT(arg.value() == "filename.txt" && "Positional argument value should match the input string."); BLT_ASSERT(arg.value() == "filename.txt" && "Positional argument value should match the input string.");
} }
// Test Case 5: Handle an empty string // Test Case 5: Handle an empty string
void test_argument_string_t_empty_input() void test_argument_string_t_empty_input(const hashset_t<char>& prefixes)
{ {
const argument_string_t arg(""); const argument_string_t arg("", prefixes);
BLT_ASSERT(!arg.is_flag() && "Expected an empty input to be treated as positional, not a flag."); BLT_ASSERT(!arg.is_flag() && "Expected an empty input to be treated as positional, not a flag.");
BLT_ASSERT(arg.value().empty() && "Empty input should have an empty value."); BLT_ASSERT(arg.value().empty() && "Empty input should have an empty value.");
} }
// Test Case 6: Handle edge case of a single hyphen (`-`) which might be ambiguous // Test Case 6: Handle edge case of a single hyphen (`-`) which might be ambiguous
void test_argument_string_t_single_hyphen() void test_argument_string_t_single_hyphen(const hashset_t<char>& prefixes)
{ {
const argument_string_t arg("-"); const argument_string_t arg("-", prefixes);
BLT_ASSERT(arg.is_flag() && "Expected single hyphen (`-`) to be treated as a flag."); BLT_ASSERT(arg.is_flag() && "Expected single hyphen (`-`) to be treated as a flag.");
BLT_ASSERT(arg.value().empty() && "Single hyphen flag should have empty value."); BLT_ASSERT(arg.value().empty() && "Single hyphen flag should have empty value.");
BLT_ASSERT(arg.get_flag() == "-" && "Single hyphen flag should match the input string."); BLT_ASSERT(arg.get_flag() == "-" && "Single hyphen flag should match the input string.");
} }
// Test Case 8: Handle arguments with prefix only (like "--") // Test Case 8: Handle arguments with prefix only (like "--")
void test_argument_string_t_double_hyphen() void test_argument_string_t_double_hyphen(const hashset_t<char>& prefixes)
{ {
const argument_string_t arg("--"); const argument_string_t arg("--", prefixes);
BLT_ASSERT(arg.is_flag() && "Double hyphen ('--') should be treated as a flag."); BLT_ASSERT(arg.is_flag() && "Double hyphen ('--') should be treated as a flag.");
BLT_ASSERT(arg.value().empty() && "Double hyphen flag should have empty value."); BLT_ASSERT(arg.value().empty() && "Double hyphen flag should have empty value.");
BLT_ASSERT(arg.get_flag() == "--" && "Double hyphen value should match the input string."); BLT_ASSERT(arg.get_flag() == "--" && "Double hyphen value should match the input string.");
} }
// Test Case 9: Validate edge case of an argument with spaces // Test Case 9: Validate edge case of an argument with spaces
void test_argument_string_t_with_spaces() void test_argument_string_t_with_spaces(const hashset_t<char>& prefixes)
{ {
const argument_string_t arg(" "); const argument_string_t arg(" ", prefixes);
BLT_ASSERT(!arg.is_flag() && "Arguments with spaces should not be treated as flags."); BLT_ASSERT(!arg.is_flag() && "Arguments with spaces should not be treated as flags.");
BLT_ASSERT(arg.value() == " " && "Arguments with spaces should match the input string."); BLT_ASSERT(arg.value() == " " && "Arguments with spaces should match the input string.");
} }
// Test Case 10: Validate arguments with numeric characters // Test Case 10: Validate arguments with numeric characters
void test_argument_string_t_numeric_flag() void test_argument_string_t_numeric_flag(const hashset_t<char>& prefixes)
{ {
const argument_string_t arg("-123"); const argument_string_t arg("-123", prefixes);
BLT_ASSERT(arg.is_flag() && "Numeric flags should still be treated as flags."); BLT_ASSERT(arg.is_flag() && "Numeric flags should still be treated as flags.");
BLT_ASSERT(arg.value() == "123" && "Numeric flag value should match the input string."); BLT_ASSERT(arg.value() == "123" && "Numeric flag value should match the input string.");
} }
// Test Case 11: Ensure the constructor handles '+' flag correctly // Test Case 11: Ensure the constructor handles '+' flag correctly
void test_argument_string_t_plus_flag_basic() void test_argument_string_t_plus_flag_basic(const hashset_t<char>& prefixes)
{ {
const argument_string_t arg("+f"); const argument_string_t arg("+f", prefixes);
BLT_ASSERT(arg.is_flag() && "Expected argument to be identified as a flag."); BLT_ASSERT(arg.is_flag() && "Expected argument to be identified as a flag.");
BLT_ASSERT(arg.value() == "f" && "Plus flag value should match the input string."); BLT_ASSERT(arg.value() == "f" && "Plus flag value should match the input string.");
} }
// Test Case 13: Handle edge case of a single plus (`+`) which might be ambiguous // Test Case 13: Handle edge case of a single plus (`+`) which might be ambiguous
void test_argument_string_t_single_plus() void test_argument_string_t_single_plus(const hashset_t<char>& prefixes)
{ {
const argument_string_t arg("+"); const argument_string_t arg("+", prefixes);
BLT_ASSERT(arg.is_flag() && "Expected single plus (`+`) to be treated as a flag."); BLT_ASSERT(arg.is_flag() && "Expected single plus (`+`) to be treated as a flag.");
BLT_ASSERT(arg.value().empty() && "Single plus flag should have empty value."); BLT_ASSERT(arg.value().empty() && "Single plus flag should have empty value.");
BLT_ASSERT(arg.get_flag() == "+" && "Single plus flag should match the input string."); BLT_ASSERT(arg.get_flag() == "+" && "Single plus flag should match the input string.");
} }
// Test Case 14: Handle arguments with prefix only (like '++') // Test Case 14: Handle arguments with prefix only (like '++')
void test_argument_string_t_double_plus() void test_argument_string_t_double_plus(const hashset_t<char>& prefixes)
{ {
const argument_string_t arg("++"); const argument_string_t arg("++", prefixes);
BLT_ASSERT(arg.is_flag() && "Double plus ('++') should be treated as a flag."); BLT_ASSERT(arg.is_flag() && "Double plus ('++') should be treated as a flag.");
BLT_ASSERT(arg.value().empty() && "Double plus flag should have empty value."); BLT_ASSERT(arg.value().empty() && "Double plus flag should have empty value.");
BLT_ASSERT(arg.get_flag() == "++" && "Double plus value should match the input string."); BLT_ASSERT(arg.get_flag() == "++" && "Double plus value should match the input string.");
@ -151,17 +123,18 @@ namespace blt::argparse
void run_all_tests_argument_string_t() void run_all_tests_argument_string_t()
{ {
test_argument_string_t_flag_basic(); const hashset_t<char> prefixes = {'-', '+'};
test_argument_string_t_long_flag(); test_argument_string_t_flag_basic(prefixes);
test_argument_string_t_positional_argument(); test_argument_string_t_long_flag(prefixes);
test_argument_string_t_empty_input(); test_argument_string_t_positional_argument(prefixes);
test_argument_string_t_single_hyphen(); test_argument_string_t_empty_input(prefixes);
test_argument_string_t_double_hyphen(); test_argument_string_t_single_hyphen(prefixes);
test_argument_string_t_with_spaces(); test_argument_string_t_double_hyphen(prefixes);
test_argument_string_t_numeric_flag(); test_argument_string_t_with_spaces(prefixes);
test_argument_string_t_plus_flag_basic(); test_argument_string_t_numeric_flag(prefixes);
test_argument_string_t_single_plus(); test_argument_string_t_plus_flag_basic(prefixes);
test_argument_string_t_double_plus(); test_argument_string_t_single_plus(prefixes);
test_argument_string_t_double_plus(prefixes);
} }
void test() void test()