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Diffstat (limited to 'libbackend-elements/backend-elements/indentation/idl.hxx')
| -rw-r--r-- | libbackend-elements/backend-elements/indentation/idl.hxx | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/libbackend-elements/backend-elements/indentation/idl.hxx b/libbackend-elements/backend-elements/indentation/idl.hxx deleted file mode 100644 index e5a234f..0000000 --- a/libbackend-elements/backend-elements/indentation/idl.hxx +++ /dev/null @@ -1,290 +0,0 @@ -// file : backend-elements/indentation/idl.hxx -// author : Boris Kolpackov <boris@kolpackov.net> -// copyright : Copyright (c) 2005-2010 Boris Kolpackov -// license : GNU GPL v2 + exceptions; see accompanying LICENSE file - -#ifndef BACKEND_ELEMENTS_INDENTATION_IDL_HXX -#define BACKEND_ELEMENTS_INDENTATION_IDL_HXX - -#include <backend-elements/types.hxx> -#include <backend-elements/indentation/buffer.hxx> - -#include <cult/containers/deque.hxx> - -namespace BackendElements -{ - namespace Indentation - { - template <typename C> - class IDL: public Buffer<C>, public NonCopyable - { - public: - typedef - typename Buffer<C>::Traits - Traits; - - typedef - typename Buffer<C>::AsChar - AsChar; - - typedef - typename Buffer<C>::AsInt - AsInt; - - typedef - typename Buffer<C>::Write - Write; - - public: - IDL (Buffer<C>& out) - : out_ (out), - indentation_ (0), - spaces_ (2), - construct_ (Construct::other) - { - } - - public: - virtual AsInt - put (AsChar c) - { - AsInt result (Traits::to_int_type (c)); - - try - { - Boolean defaulting (false); - - switch (c) - { - case '\n': - { - hold_.push_back (c); - break; - } - case '{': - { - ensure_new_line (); - output_indentation (); - result = write (c); - ensure_new_line (); - indentation_++; - break; - } - case '}': - { - if (indentation_ > 0) indentation_--; - - // Reduce multiple newlines to one. - // - while (hold_.size () > 1) - { - typename Hold::ReverseIterator i (hold_.rbegin ()); - - if (*i == '\n' && *(i + 1) == '\n') - hold_.pop_back (); - else - break; - } - - ensure_new_line (); - output_indentation (); - - hold_.push_back (c); - - // Add double newline after '}'. - // - hold_.push_back ('\n'); - hold_.push_back ('\n'); - - - break; - } - case ';': - { - // Handling '};' case. - // - - Boolean brace (false); - - if (hold_.size () > 1 && hold_.back () == '\n') - { - Boolean pop_nl (false); - - for (typename Hold::ReverseIterator - i (hold_.rbegin ()), e (hold_.rend ()); i != e; ++i) - { - if (*i != '\n') - { - if (*i == '}') - brace = pop_nl = true; - - break; - } - } - - if (pop_nl) - while (hold_.back () == '\n') - hold_.pop_back (); - } - - output_indentation (); - result = write (c); - - if (brace) - { - hold_.push_back ('\n'); - hold_.push_back ('\n'); - } - - if (construct_ != Construct::string_literal && - construct_ != Construct::char_literal) - { - ensure_new_line (); - } - break; - } - case '\\': - { - hold_.push_back (c); - break; - } - case '\"': - { - if (hold_.empty () || hold_.back () != '\\') - { - // not escape sequence - if (construct_ == Construct::string_literal) - { - construct_ = Construct::other; - } - else construct_ = Construct::string_literal; - } - - defaulting = true; - break; - } - case '\'': - { - if (hold_.empty () || hold_.back () != '\\') - { - // not escape sequence - if (construct_ == Construct::char_literal) - { - construct_ = Construct::other; - } - else construct_ = Construct::char_literal; - } - - defaulting = true; - break; - } - default: - { - defaulting = true; - break; - } - } - - if (defaulting) - { - output_indentation (); - result = write (c); - } - } - catch (Write const&) - { - result = Traits::eof (); - } - - return result; - } - - virtual Void - unbuffer () - { - AsInt result; - - while (!hold_.empty ()) - { - result = out_.put (hold_.front ()); - - //@@ failed - if (result == Traits::eof ()) - throw Write (); - - hold_.pop_front (); - } - } - - private: - Void - ensure_new_line () - { - if (hold_.empty () || hold_.back () != '\n') - hold_.push_back ('\n'); - } - - - Void - output_indentation () - { - if (!hold_.empty () && hold_.back () == '\n') - for (UnsignedLong i (0); i < indentation_ * spaces_; ++i) - write (' '); - } - - AsInt - write (AsChar c) - { - hold_.push_back (c); - - AsInt result (Traits::eof ()); - - while (!hold_.empty ()) - { - result = out_.put (hold_.front ()); - - if (result == Traits::eof ()) - throw Write (); - - hold_.pop_front (); - } - - return result; - } - - - private: - - Buffer<C>& out_; - UnsignedLong indentation_; - UnsignedLong spaces_; - - Boolean suppress_nl_; - - struct Construct - { - enum Value - { - other, - string_literal, - char_literal - }; - }; - - //@@ gcc bug# 18304 - // - typename Construct::Value construct_; - - typedef - Cult::Containers::Deque<AsInt> - Hold; - - Hold hold_; - }; - } -} - -#include <backend-elements/indentation/idl.txx> - -#endif // BACKEND_ELEMENTS_INDENTATION_IDL_HXX |