diff options
author | Karen Arutyunov <karen@codesynthesis.com> | 2017-05-01 16:08:43 +0300 |
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committer | Karen Arutyunov <karen@codesynthesis.com> | 2017-05-01 16:59:24 +0300 |
commit | 61377c582e0f2675baa5f5e6e30a35d1a4164b33 (patch) | |
tree | 11cdca992834d7f7f197f72856712fbcb3020e3d /butl/char-scanner | |
parent | 442c1a6790e52baa0c081f310d4d9e9b6f1ff638 (diff) |
Add hxx extension for headers and lib prefix for library dir
Diffstat (limited to 'butl/char-scanner')
-rw-r--r-- | butl/char-scanner | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/butl/char-scanner b/butl/char-scanner deleted file mode 100644 index cbeca96..0000000 --- a/butl/char-scanner +++ /dev/null @@ -1,90 +0,0 @@ -// file : butl/char-scanner -*- C++ -*- -// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd -// license : MIT; see accompanying LICENSE file - -#ifndef BUTL_CHAR_SCANNER -#define BUTL_CHAR_SCANNER - -#include <string> // char_traits -#include <iosfwd> -#include <cstdint> // uint64_t - -#include <butl/export> - -namespace butl -{ - // Low-level character stream scanner. Normally used as a base for - // higher-level lexers. - // - class LIBBUTL_EXPORT char_scanner - { - public: - // If the crlf argument is true, then recognize Windows newlines (0x0D - // 0x0A) and convert them to just '\n' (0x0A). Note that a standalone - // 0x0D is treated "as if" it was followed by 0x0A. - // - char_scanner (std::istream& is, bool crlf = true) - : is_ (is), crlf_ (crlf) {} - - char_scanner (const char_scanner&) = delete; - char_scanner& operator= (const char_scanner&) = delete; - - // Scanner interface. - // - public: - - // Extended character. It includes line/column information - // and is capable of representing EOF. - // - class xchar - { - public: - typedef std::char_traits<char> traits_type; - typedef traits_type::int_type int_type; - typedef traits_type::char_type char_type; - - int_type value; - std::uint64_t line; - std::uint64_t column; - - operator char_type () const {return static_cast<char_type> (value);} - - xchar (int_type v, std::uint64_t l = 0, std::uint64_t c = 0) - : value (v), line (l), column (c) {} - }; - - xchar - get (); - - void - unget (const xchar&); - - // Note that if there is an "ungot" character, peek() will return - // that. - // - xchar - peek (); - - // Tests. In the future we can add tests line alpha(), alnum(), - // etc. - // - static bool - eos (const xchar& c) {return c.value == xchar::traits_type::eof ();} - - // Line and column of the furthest seen (either via get() or - // peek()) character. - // - std::uint64_t line {1}; - std::uint64_t column {1}; - - protected: - std::istream& is_; - bool crlf_; - - bool unget_ {false}; - xchar buf_ = '\0'; - bool eos_ {false}; - }; -} - -#endif // BUTL_CHAR_SCANNER |