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feat: finish ArgParser help text output

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This commit is contained in:
yyc12345
2024-07-29 19:31:17 +08:00
parent d1c1743dc9
commit e8a0299fbc
3 changed files with 73 additions and 12 deletions
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15
src/ArgParser.hpp
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@ -28,12 +28,12 @@ namespace YYCC::ArgParser {
public:
void Prev();
void Next();
const yycc_u8string& Current() const;
const yycc_u8string& Argument() const;
bool IsSwitch(
bool* is_long_name = nullptr,
yycc_u8string* long_name = nullptr,
yycc_char8_t* short_name = nullptr) const;
bool IsValue(yycc_u8string* val = nullptr) const;
bool IsParameter(yycc_u8string* val = nullptr) const;
bool IsEOF() const;
void Reset();
private:
@ -104,6 +104,7 @@ namespace YYCC::ArgParser {
public:
bool Parse(ArgumentList& al);
void Reset();
void Help() const;
private:
yycc_u8string m_Summary;
@ -138,7 +139,7 @@ namespace YYCC::ArgParser {
// try get corresponding value
yycc_u8string strval;
al.Next();
if (al.IsEOF() || !al.IsValue(&strval)) {
if (al.IsEOF() || !al.IsParameter(&strval)) {
al.Prev();
return false;
}
@ -163,8 +164,10 @@ namespace YYCC::ArgParser {
public:
SwitchArgument(
const yycc_char8_t* long_name, yycc_char8_t short_name,
const yycc_char8_t* description = nullptr, const yycc_char8_t* argument_example = nullptr) :
AbstractArgument(long_name, short_name, description, argument_example, true), m_Data(false) {} // bool switch must be optional, because it is false if no given switch.
const yycc_char8_t* description = nullptr) :
// bool switch must be optional, because it is false if no given switch.
// bool switch doesn't have argument, so it doesn't have example property.
AbstractArgument(long_name, short_name, description, nullptr, true), m_Data(false) {}
virtual ~SwitchArgument() {}
public:
@ -201,7 +204,7 @@ namespace YYCC::ArgParser {
virtual bool Parse(ArgumentList& al) override {
// try get corresponding value
al.Next();
if (al.IsEOF() || !al.IsValue(&m_Data)) {
if (al.IsEOF() || !al.IsParameter(&m_Data)) {
al.Prev();
return false;
}