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authorKaren Arutyunov <karen@codesynthesis.com>2022-02-18 16:20:27 +0300
committerKaren Arutyunov <karen@codesynthesis.com>2022-02-18 17:23:24 +0300
commit24adee85717a9bc61013b6b12fd81135d856d33d (patch)
treec1c5638eea4d5edf42ac961823d069cca747b15a /libbuild2/build/script/builtin-options.hxx
parent2835794b28d482b1e391dc85f79dfa91f9e63d3e (diff)
Factor out common CLI types (scanners, etc)
Diffstat (limited to 'libbuild2/build/script/builtin-options.hxx')
-rw-r--r--libbuild2/build/script/builtin-options.hxx309
1 files changed, 17 insertions, 292 deletions
diff --git a/libbuild2/build/script/builtin-options.hxx b/libbuild2/build/script/builtin-options.hxx
index 60020c9..544daca 100644
--- a/libbuild2/build/script/builtin-options.hxx
+++ b/libbuild2/build/script/builtin-options.hxx
@@ -12,285 +12,10 @@
//
// End prologue.
-#include <vector>
-#include <iosfwd>
-#include <string>
-#include <cstddef>
-#include <exception>
-
-#ifndef CLI_POTENTIALLY_UNUSED
-# if defined(_MSC_VER) || defined(__xlC__)
-# define CLI_POTENTIALLY_UNUSED(x) (void*)&x
-# else
-# define CLI_POTENTIALLY_UNUSED(x) (void)x
-# endif
-#endif
-
-namespace build2
-{
- namespace build
- {
- namespace script
- {
- namespace cli
- {
- class unknown_mode
- {
- public:
- enum value
- {
- skip,
- stop,
- fail
- };
-
- unknown_mode (value);
-
- operator value () const
- {
- return v_;
- }
-
- private:
- value v_;
- };
-
- // Exceptions.
- //
-
- class exception: public std::exception
- {
- public:
- virtual void
- print (::std::ostream&) const = 0;
- };
-
- ::std::ostream&
- operator<< (::std::ostream&, const exception&);
-
- class unknown_option: public exception
- {
- public:
- virtual
- ~unknown_option () throw ();
-
- unknown_option (const std::string& option);
-
- const std::string&
- option () const;
-
- virtual void
- print (::std::ostream&) const;
-
- virtual const char*
- what () const throw ();
-
- private:
- std::string option_;
- };
-
- class unknown_argument: public exception
- {
- public:
- virtual
- ~unknown_argument () throw ();
-
- unknown_argument (const std::string& argument);
-
- const std::string&
- argument () const;
-
- virtual void
- print (::std::ostream&) const;
-
- virtual const char*
- what () const throw ();
-
- private:
- std::string argument_;
- };
-
- class missing_value: public exception
- {
- public:
- virtual
- ~missing_value () throw ();
-
- missing_value (const std::string& option);
-
- const std::string&
- option () const;
-
- virtual void
- print (::std::ostream&) const;
-
- virtual const char*
- what () const throw ();
-
- private:
- std::string option_;
- };
-
- class invalid_value: public exception
- {
- public:
- virtual
- ~invalid_value () throw ();
-
- invalid_value (const std::string& option,
- const std::string& value,
- const std::string& message = std::string ());
-
- const std::string&
- option () const;
-
- const std::string&
- value () const;
-
- const std::string&
- message () const;
-
- virtual void
- print (::std::ostream&) const;
-
- virtual const char*
- what () const throw ();
-
- private:
- std::string option_;
- std::string value_;
- std::string message_;
- };
-
- class eos_reached: public exception
- {
- public:
- virtual void
- print (::std::ostream&) const;
-
- virtual const char*
- what () const throw ();
- };
-
- // Command line argument scanner interface.
- //
- // The values returned by next() are guaranteed to be valid
- // for the two previous arguments up until a call to a third
- // peek() or next().
- //
- // The position() function returns a monotonically-increasing
- // number which, if stored, can later be used to determine the
- // relative position of the argument returned by the following
- // call to next(). Note that if multiple scanners are used to
- // extract arguments from multiple sources, then the end
- // position of the previous scanner should be used as the
- // start position of the next.
- //
- class scanner
- {
- public:
- virtual
- ~scanner ();
-
- virtual bool
- more () = 0;
-
- virtual const char*
- peek () = 0;
-
- virtual const char*
- next () = 0;
-
- virtual void
- skip () = 0;
-
- virtual std::size_t
- position () = 0;
- };
-
- class argv_scanner: public scanner
- {
- public:
- argv_scanner (int& argc,
- char** argv,
- bool erase = false,
- std::size_t start_position = 0);
-
- argv_scanner (int start,
- int& argc,
- char** argv,
- bool erase = false,
- std::size_t start_position = 0);
-
- int
- end () const;
-
- virtual bool
- more ();
-
- virtual const char*
- peek ();
-
- virtual const char*
- next ();
-
- virtual void
- skip ();
-
- virtual std::size_t
- position ();
-
- protected:
- std::size_t start_position_;
- int i_;
- int& argc_;
- char** argv_;
- bool erase_;
- };
-
- class vector_scanner: public scanner
- {
- public:
- vector_scanner (const std::vector<std::string>&,
- std::size_t start = 0,
- std::size_t start_position = 0);
-
- std::size_t
- end () const;
-
- void
- reset (std::size_t start = 0, std::size_t start_position = 0);
-
- virtual bool
- more ();
-
- virtual const char*
- peek ();
-
- virtual const char*
- next ();
-
- virtual void
- skip ();
-
- virtual std::size_t
- position ();
-
- private:
- std::size_t start_position_;
- const std::vector<std::string>& v_;
- std::size_t i_;
- };
-
- template <typename X>
- struct parser;
- }
- }
- }
-}
-
#include <libbuild2/types.hxx>
+#include <libbuild2/common-options.hxx>
+
namespace build2
{
namespace build
@@ -308,24 +33,24 @@ namespace build2
parse (int& argc,
char** argv,
bool erase = false,
- ::build2::build::script::cli::unknown_mode option = ::build2::build::script::cli::unknown_mode::fail,
- ::build2::build::script::cli::unknown_mode argument = ::build2::build::script::cli::unknown_mode::stop);
+ ::build2::build::cli::unknown_mode option = ::build2::build::cli::unknown_mode::fail,
+ ::build2::build::cli::unknown_mode argument = ::build2::build::cli::unknown_mode::stop);
bool
parse (int start,
int& argc,
char** argv,
bool erase = false,
- ::build2::build::script::cli::unknown_mode option = ::build2::build::script::cli::unknown_mode::fail,
- ::build2::build::script::cli::unknown_mode argument = ::build2::build::script::cli::unknown_mode::stop);
+ ::build2::build::cli::unknown_mode option = ::build2::build::cli::unknown_mode::fail,
+ ::build2::build::cli::unknown_mode argument = ::build2::build::cli::unknown_mode::stop);
bool
parse (int& argc,
char** argv,
int& end,
bool erase = false,
- ::build2::build::script::cli::unknown_mode option = ::build2::build::script::cli::unknown_mode::fail,
- ::build2::build::script::cli::unknown_mode argument = ::build2::build::script::cli::unknown_mode::stop);
+ ::build2::build::cli::unknown_mode option = ::build2::build::cli::unknown_mode::fail,
+ ::build2::build::cli::unknown_mode argument = ::build2::build::cli::unknown_mode::stop);
bool
parse (int start,
@@ -333,13 +58,13 @@ namespace build2
char** argv,
int& end,
bool erase = false,
- ::build2::build::script::cli::unknown_mode option = ::build2::build::script::cli::unknown_mode::fail,
- ::build2::build::script::cli::unknown_mode argument = ::build2::build::script::cli::unknown_mode::stop);
+ ::build2::build::cli::unknown_mode option = ::build2::build::cli::unknown_mode::fail,
+ ::build2::build::cli::unknown_mode argument = ::build2::build::cli::unknown_mode::stop);
bool
- parse (::build2::build::script::cli::scanner&,
- ::build2::build::script::cli::unknown_mode option = ::build2::build::script::cli::unknown_mode::fail,
- ::build2::build::script::cli::unknown_mode argument = ::build2::build::script::cli::unknown_mode::stop);
+ parse (::build2::build::cli::scanner&,
+ ::build2::build::cli::unknown_mode option = ::build2::build::cli::unknown_mode::fail,
+ ::build2::build::cli::unknown_mode argument = ::build2::build::cli::unknown_mode::stop);
// Option accessors and modifiers.
//
@@ -455,13 +180,13 @@ namespace build2
//
protected:
bool
- _parse (const char*, ::build2::build::script::cli::scanner&);
+ _parse (const char*, ::build2::build::cli::scanner&);
private:
bool
- _parse (::build2::build::script::cli::scanner&,
- ::build2::build::script::cli::unknown_mode option,
- ::build2::build::script::cli::unknown_mode argument);
+ _parse (::build2::build::cli::scanner&,
+ ::build2::build::cli::unknown_mode option,
+ ::build2::build::cli::unknown_mode argument);
public:
path file_;