| 1 | /*++ |
| 2 | |
| 3 | Copyright (c) Microsoft. All rights reserved. |
| 4 | |
| 5 | Module Name: |
| 6 | |
| 7 | Argument.cpp |
| 8 | |
| 9 | Abstract: |
| 10 | |
| 11 | Implementation of the Argument class. |
| 12 | |
| 13 | --*/ |
| 14 | #include "Argument.h" |
| 15 | #include "Command.h" |
| 16 | #include "Exceptions.h" |
| 17 | #include "ArgumentDefinitions.h" |
| 18 | |
| 19 | #include <algorithm> |
| 20 | #include <iterator> |
| 21 | #include <sstream> |
| 22 | #include <string> |
| 23 | |
| 24 | using namespace wsl::shared; |
| 25 | using namespace wsl::windows::wslc::argument; |
| 26 | using namespace std::literals; |
| 27 | |
| 28 | namespace wsl::windows::wslc { |
| 29 | using namespace wsl::windows::wslc::execution; |
| 30 | |
| 31 | Argument Argument::Create(ArgType type, ArgumentOverrides overrides) |
| 32 | { |
| 33 | WI_ASSERT(!overrides.Name.has_value() || overrides.Name->size() >= 2); |
| 34 | |
| 35 | switch (type) |
| 36 | { |
| 37 | #define WSLC_ARG_CREATE_CASE(EnumName, DefaultName, DefaultAlias, ArgumentKind, ConvertedType, DefaultDesc) \ |
| 38 | case ArgType::EnumName: \ |
| 39 | return Argument{ \ |
| 40 | type, \ |
| 41 | overrides.Name.has_value() ? std::move(overrides.Name.value()) : std::wstring{L##DefaultName}, \ |
| 42 | overrides.Alias.has_value() ? std::move(overrides.Alias.value()) : std::wstring{DefaultAlias}, \ |
| 43 | overrides.Desc.has_value() ? std::move(overrides.Desc.value()) : std::wstring(DefaultDesc), \ |
| 44 | ArgumentKind, \ |
| 45 | overrides.Required.value_or(Argument::DefaultRequired), \ |
| 46 | overrides.Limit.value_or(Argument::DefaultLimit)}; |
| 47 | |
| 48 | WSLC_ARGUMENTS(WSLC_ARG_CREATE_CASE) |
| 49 | #undef WSLC_ARG_CREATE_CASE |
| 50 | |
| 51 | default: |
| 52 | THROW_HR(E_UNEXPECTED); |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | // Retrieves the usage string of the Argument, based on its Alias and Name. |
| 57 | // The format is "-alias,--name" or just "--name" if no alias. |
| 58 | std::wstring Argument::GetUsageString() const |
| 59 | { |
| 60 | std::wostringstream strstr; |
| 61 | if (!m_alias.empty()) |
| 62 | { |
| 63 | strstr << WSLC_CLI_ARG_ID_CHAR << m_alias << L','; |
| 64 | } |
| 65 | |
| 66 | strstr << WSLC_CLI_ARG_ID_CHAR << WSLC_CLI_ARG_ID_CHAR << m_name; |
| 67 | return strstr.str(); |
| 68 | } |
| 69 | } // namespace wsl::windows::wslc |