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Diffstat (limited to 'libcult/cult/cli/scanner.hxx')
-rw-r--r-- | libcult/cult/cli/scanner.hxx | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/libcult/cult/cli/scanner.hxx b/libcult/cult/cli/scanner.hxx deleted file mode 100644 index 13fa804..0000000 --- a/libcult/cult/cli/scanner.hxx +++ /dev/null @@ -1,132 +0,0 @@ -// file : cult/cli/scanner.hxx -// author : Boris Kolpackov <boris@kolpackov.net> -// copyright : Copyright (c) 2005-2010 Boris Kolpackov -// license : GNU GPL v2 + exceptions; see accompanying LICENSE file - -#ifndef CULT_CLI_SCANNER_HXX -#define CULT_CLI_SCANNER_HXX - -#include <cult/types.hxx> - -#include <cult/cli/exceptions.hxx> -#include <cult/cli/arguments.hxx> - -namespace Cult -{ - namespace CLI - { - class Scanner: public NonCopyable - { - public: - class Action - { - public: - static Action const keep, erase; - - friend Boolean - operator== (Action const& a, Action const& b) - { - return a.v_ == b.v_; - } - - friend Boolean - operator!= (Action const& a, Action const& b) - { - return a.v_ != b.v_; - } - - private: - enum Value { keep_, erase_ } v_; - - Action (Value v) - : v_ (v) - { - } - }; - - public: - Scanner (Arguments& args, Action a = Action::keep, Index start = 1) - : cargs_ (args), - args_ (a == Action::erase ? &args : 0), - next_ (start) - { - } - - Scanner (Arguments const& args, Index start = 1) - : cargs_ (args), args_ (0), next_ (start) - { - } - - public: - static Char const* const eos; - - class PastEOS: public virtual Exception {}; - - Char const* - next () - { - if (next_ > cargs_.size ()) - { - throw PastEOS (); - } - else if (next_ == cargs_.size ()) - { - ++next_; - return eos; - } - else - { - Char const* r (cargs_[next_]); - - if (args_ != 0) - { - hold_ = r; - args_->erase (next_); - return hold_.c_str (); - } - else - { - ++next_; - return r; - } - } - } - - Char const* - peek () - { - if (next_ > cargs_.size ()) - { - throw PastEOS (); - } - else if (next_ == cargs_.size ()) - { - return eos; - } - else - { - return cargs_[next_]; - } - } - - Void - skip () - { - if (next_ > cargs_.size ()) - throw PastEOS (); - else - ++next_; - } - - private: - Arguments const& cargs_; - Arguments* args_; - Index next_; - String hold_; - }; - } -} - -#include <cult/cli/scanner.ixx> - -#endif // CULT_CLI_SCANNER_HXX |