66 lines
2.6 KiB
C++
66 lines
2.6 KiB
C++
#ifndef APPLICATION_UTILITIES_ARGUMENTPARSER_PRIVATE_H
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#define APPLICATION_UTILITIES_ARGUMENTPARSER_PRIVATE_H
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#include "./argumentparser.h"
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#include "./commandlineutils.h"
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#include <optional>
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namespace CppUtilities {
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class CPP_UTILITIES_EXPORT ArgumentReader {
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public:
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ArgumentReader(ArgumentParser &parser, const char *const *argv, const char *const *end, bool completionMode = false);
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ArgumentReader &reset(const char *const *argv, const char *const *end);
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bool read();
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bool read(ArgumentVector &args);
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/// \brief The associated ArgumentParser instance.
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ArgumentParser &parser;
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/// \brief The Argument instances to store the results. Sub arguments of args are considered as well.
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ArgumentVector &args;
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/// \brief An index which is incremented when an argument is encountered (the current index is stored in the occurrence) or a value is encountered.
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std::size_t index;
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/// \brief Points to the first argument denotation and will be incremented when a denotation has been processed.
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const char *const *argv;
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/// \brief Points to the end of the \a argv array.
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const char *const *end;
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/// \brief The last Argument instance which could be detected. Set to nullptr in the initial call. Used for Bash completion.
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Argument *lastArg;
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/// \brief Points to the element in argv where lastArg was encountered. Unspecified if lastArg is not set.
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const char *const *lastArgDenotation;
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/// \brief The currently processed abbreviation denotation (should be substring of one of the args in argv). Set to nullptr for processing argv from the beginning (default).
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const char *argDenotation;
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/// \brief The type of the currently processed abbreviation denotation. Unspecified if argDenotation is not set.
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unsigned char argDenotationType;
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/// \brief Whether completion mode is enabled. In this case reading args will be continued even if an denotation is unknown (regardless of unknownArgumentBehavior()).
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bool completionMode;
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};
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class Wrapper;
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std::ostream &operator<<(std::ostream &os, const Wrapper &wrapper);
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class Wrapper {
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friend std::ostream &operator<<(std::ostream &os, const Wrapper &wrapper);
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public:
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Wrapper(const char *str, Indentation currentIndentation = Indentation());
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private:
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const char *const m_str;
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Indentation m_indentation;
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};
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inline Wrapper::Wrapper(const char *str, Indentation currentIndentation)
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: m_str(str)
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, m_indentation(currentIndentation)
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{
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}
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std::optional<bool> isEnvVariableSet(const char *variableName);
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} // namespace CppUtilities
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#endif // APPLICATION_UTILITIES_ARGUMENTPARSER_PRIVATE_H
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