marley::StreamReader Class Reference

Public Member Functions
	StreamReader (std::istream &stream, std::string filename={}, StreamReader *parent=nullptr)
	StreamReader (std::unique_ptr< std::istream > stream, std::string filename={}, StreamReader *parent=nullptr)
size_t	col () const
const std::string &	filename () const
std::string	format_error (const std::string &message) const
char	get ()
bool	good () const
size_t	line () const
char	peek ()
void	unget (char c)

Detailed Description

Definition at line 718 of file JSON.hh.

Constructor & Destructor Documentation

StreamReader() [1/2]

marley::StreamReader::StreamReader ( std::istream & stream, std::string filename = {}, StreamReader * parent = nullptr )

inline

Definition at line 720 of file JSON.hh.

                                                            {},
        StreamReader* parent = nullptr)
        : stream_(&stream), filename_(std::move(filename)),
        parent_(parent) {}

StreamReader() [2/2]

marley::StreamReader::StreamReader ( std::unique_ptr< std::istream > stream, std::string filename = {}, StreamReader * parent = nullptr )

inline

Definition at line 725 of file JSON.hh.

                             {}, StreamReader* parent = nullptr)
        : stream_(stream.get()), owner_(std::move(stream)),
        filename_(std::move(filename)), parent_(parent) {}

Member Function Documentation

col()

size_t marley::StreamReader::col ( ) const

inline

Definition at line 772 of file JSON.hh.

{ return col_; }

filename()

const std::string & marley::StreamReader::filename ( ) const

inline

Definition at line 773 of file JSON.hh.

{ return filename_; }

format_error()

std::string marley::StreamReader::format_error ( const std::string & message ) const

inline

Definition at line 775 of file JSON.hh.

                                                             {
        std::string result;
        auto report_col = [&](const StreamReader& r) -> std::string {
          return std::to_string(r.prev_known_ ? r.prev_line_ : r.line_)
            + ", column " + std::to_string(r.prev_known_ ? r.prev_col_ : r.col_);
        };
        if (!filename_.empty()) {
          result += "In \"" + filename_ + "\", line " + report_col(*this)
            + ":\n";
        }
        std::string indent = "  ";
        for (const StreamReader* p = parent_; p; p = p->parent_) {
          result += indent + "(included from \"" + p->filename_
            + "\", line " + report_col(*p) + ")\n";
          indent += "  ";
        }
        result += message;
        return result;
      }

get()

char marley::StreamReader::get ( )

inline

Definition at line 730 of file JSON.hh.

                 {
        if (has_putback_) {
          has_putback_ = false;
          char c = putback_char_;
          if (c == '\n') { ++line_; col_ = 1; }
          else { ++col_; }
          return c;
        }
        char c;
        if (stream_->get(c)) {
          prev_line_ = line_; prev_col_ = col_; prev_known_ = true;
          if (c == '\n') { ++line_; col_ = 1; }
          else { ++col_; }
          return c;
        }
        fail_ = true;
        return '\0';
      }

good()

bool marley::StreamReader::good ( ) const

inline

Definition at line 766 of file JSON.hh.

                        {
        if (has_putback_) return true;
        return !fail_ && stream_->good();
      }

line()

size_t marley::StreamReader::line ( ) const

inline

Definition at line 771 of file JSON.hh.

{ return line_; }

peek()

char marley::StreamReader::peek ( )

inline

Definition at line 749 of file JSON.hh.

                  {
        if (has_putback_) return putback_char_;
        int ch = stream_->peek();
        if (ch == std::char_traits<char>::eof()) {
          fail_ = true; return '\0';
        }
        return static_cast<char>(ch);
      }

unget()

void marley::StreamReader::unget ( char c )

inline

Definition at line 758 of file JSON.hh.

                         {
        if (prev_known_) {
          line_ = prev_line_; col_ = prev_col_;
        }
        putback_char_ = c;
        has_putback_ = true;
      }

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The documentation for this class was generated from the following file:

• /home/sjg/Desktop/marley/include/marley/JSON.hh