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-rw-r--r--libbuild2/b-options.hxx420
1 files changed, 2 insertions, 418 deletions
diff --git a/libbuild2/b-options.hxx b/libbuild2/b-options.hxx
index dda9f08..3f8fed7 100644
--- a/libbuild2/b-options.hxx
+++ b/libbuild2/b-options.hxx
@@ -13,428 +13,12 @@
//
// End prologue.
-#include <list>
-#include <deque>
-#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 cli
- {
- class usage_para
- {
- public:
- enum value
- {
- none,
- text,
- option
- };
-
- usage_para (value);
-
- operator value () const
- {
- return v_;
- }
-
- private:
- value v_;
- };
-
- class unknown_mode
- {
- public:
- enum value
- {
- skip,
- stop,
- fail
- };
-
- unknown_mode (value);
-
- operator value () const
- {
- return v_;
- }
-
- private:
- value v_;
- };
-
- // Exceptions.
- //
-
- class LIBBUILD2_SYMEXPORT exception: public std::exception
- {
- public:
- virtual void
- print (::std::ostream&) const = 0;
- };
-
- ::std::ostream&
- operator<< (::std::ostream&, const exception&);
-
- class LIBBUILD2_SYMEXPORT 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 LIBBUILD2_SYMEXPORT 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 LIBBUILD2_SYMEXPORT 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 LIBBUILD2_SYMEXPORT 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 LIBBUILD2_SYMEXPORT eos_reached: public exception
- {
- public:
- virtual void
- print (::std::ostream&) const;
-
- virtual const char*
- what () const throw ();
- };
-
- class LIBBUILD2_SYMEXPORT file_io_failure: public exception
- {
- public:
- virtual
- ~file_io_failure () throw ();
-
- file_io_failure (const std::string& file);
-
- const std::string&
- file () const;
-
- virtual void
- print (::std::ostream&) const;
-
- virtual const char*
- what () const throw ();
-
- private:
- std::string file_;
- };
-
- class LIBBUILD2_SYMEXPORT unmatched_quote: public exception
- {
- public:
- virtual
- ~unmatched_quote () throw ();
-
- unmatched_quote (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_;
- };
-
- // 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 LIBBUILD2_SYMEXPORT 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 LIBBUILD2_SYMEXPORT 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 LIBBUILD2_SYMEXPORT argv_file_scanner: public argv_scanner
- {
- public:
- argv_file_scanner (int& argc,
- char** argv,
- const std::string& option,
- bool erase = false,
- std::size_t start_position = 0);
-
- argv_file_scanner (int start,
- int& argc,
- char** argv,
- const std::string& option,
- bool erase = false,
- std::size_t start_position = 0);
-
- argv_file_scanner (const std::string& file,
- const std::string& option,
- std::size_t start_position = 0);
-
- struct option_info
- {
- // If search_func is not NULL, it is called, with the arg
- // value as the second argument, to locate the options file.
- // If it returns an empty string, then the file is ignored.
- //
- const char* option;
- std::string (*search_func) (const char*, void* arg);
- void* arg;
- };
-
- argv_file_scanner (int& argc,
- char** argv,
- const option_info* options,
- std::size_t options_count,
- bool erase = false,
- std::size_t start_position = 0);
-
- argv_file_scanner (int start,
- int& argc,
- char** argv,
- const option_info* options,
- std::size_t options_count,
- bool erase = false,
- std::size_t start_position = 0);
-
- argv_file_scanner (const std::string& file,
- const option_info* options = 0,
- std::size_t options_count = 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 ();
-
- // Return the file path if the peeked at argument came from a file and
- // the empty string otherwise. The reference is guaranteed to be valid
- // till the end of the scanner lifetime.
- //
- const std::string&
- peek_file ();
-
- // Return the 1-based line number if the peeked at argument came from
- // a file and zero otherwise.
- //
- std::size_t
- peek_line ();
-
- private:
- const option_info*
- find (const char*) const;
-
- void
- load (const std::string& file);
-
- typedef argv_scanner base;
-
- const std::string option_;
- option_info option_info_;
- const option_info* options_;
- std::size_t options_count_;
-
- struct arg
- {
- std::string value;
- const std::string* file;
- std::size_t line;
- };
-
- std::deque<arg> args_;
- std::list<std::string> files_;
-
- // Circular buffer of two arguments.
- //
- std::string hold_[2];
- std::size_t i_;
-
- bool skip_;
-
- static int zero_argc_;
- static std::string empty_string_;
- };
-
- template <typename X>
- struct parser;
- }
- }
-}
-
#include <set>
#include <libbuild2/types.hxx>
+#include <libbuild2/common-options.hxx>
+
namespace build2
{
class LIBBUILD2_SYMEXPORT options
generated by cgit v1.1 at 2024-05-05 01:59:22 +0000