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Diffstat (limited to 'src/boost/tools/inspect/ascii_check.cpp')
-rw-r--r-- | src/boost/tools/inspect/ascii_check.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/boost/tools/inspect/ascii_check.cpp b/src/boost/tools/inspect/ascii_check.cpp new file mode 100644 index 000000000..7e2a5291d --- /dev/null +++ b/src/boost/tools/inspect/ascii_check.cpp @@ -0,0 +1,102 @@ +// ascii_check implementation ------------------------------------------------// + +// Copyright Marshall Clow 2007. +// Based on the tab-check checker by Beman Dawes +// +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) +// √ -- this is a test. + +#include "ascii_check.hpp" +#include <algorithm> + +namespace boost +{ + namespace inspect + { + + static const string gPunct ( "$_{}[]#()<>%:;.?*+-/ˆ&|~!=,\\\"'@^`" ); + + // Legal characters for a source file are defined in section 2.2 of the standard + // I have added '@', '^', and '`' to the "legal" chars because they are commonly + // used in comments, and they are strictly ASCII. + struct non_ascii { + public: + non_ascii () {} + ~non_ascii () {} + bool operator () ( char c ) const + { + if ( c == ' ' ) return false; + if ( c >= 'a' && c <= 'z' ) return false; + if ( c >= 'A' && c <= 'Z' ) return false; + if ( c >= '0' && c <= '9' ) return false; + // Horizontal/Vertical tab, newline, and form feed + if ( c == '\t' || c == '\n' || c == '\r' || c == '\v' || c == '\f' ) return false; + return gPunct.find ( c ) == string::npos; + } + }; + + struct is_CRLF { + public: + is_CRLF () {} + ~is_CRLF () {} + bool operator () ( char c ) const + { + return c == '\015' || c == '\012'; + } + }; + + const char *kCRLF = "\012\015"; + +// Given a position in the file, extract and return the line + std::string find_line ( const std::string &contents, std::string::const_iterator iter_pos ) + { + std::size_t pos = iter_pos - contents.begin (); + + // Search backwards for a CR or LR + std::size_t start_pos = contents.find_last_of ( kCRLF, pos ); + std::string::const_iterator line_start = contents.begin () + ( start_pos == std::string::npos ? 0 : start_pos + 1 ); + + + // Search forwards for a CR or LF + std::size_t end_pos = contents.find_first_of ( kCRLF, pos + 1 ); + std::string::const_iterator line_end; + if ( end_pos == std::string::npos ) + line_end = contents.end (); + else + line_end = contents.begin () + end_pos - 1; + + return std::string ( line_start, line_end ); + } + + ascii_check::ascii_check() : m_files_with_errors(0) + { + register_signature( ".c" ); + register_signature( ".cpp" ); + register_signature( ".cxx" ); + register_signature( ".h" ); + register_signature( ".hpp" ); + register_signature( ".hxx" ); + register_signature( ".ipp" ); + } + + void ascii_check::inspect( + const string & library_name, + const path & full_path, // example: c:/foo/boost/filesystem/path.hpp + const string & contents ) // contents of file to be inspected + { + if (contents.find( "boostinspect:" "noascii" ) != string::npos) return; + string::const_iterator bad_char = std::find_if ( contents.begin (), contents.end (), non_ascii ()); + if ( bad_char != contents.end ()) + { + ++m_files_with_errors; + int ln = std::count( contents.begin(), bad_char, '\n' ) + 1; + string the_line = find_line ( contents, bad_char ); + error( library_name, full_path, "Non-ASCII: " + the_line, ln ); + } + } + } // namespace inspect +} // namespace boost + + |