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// -*- related-file-name: "../../liblcdf/slurper.cc" -*-
#ifndef LCDF_SLURPER_HH
#define LCDF_SLURPER_HH
#include <lcdf/landmark.hh>
#include <lcdf/filename.hh>
#include <stdio.h>
class Slurper { public:
Slurper(const Filename &, FILE * = 0);
~Slurper();
bool ok() const { return _f != 0; }
Landmark landmark() const { return Landmark(_filename.name(), _lineno); }
operator Landmark() const { return landmark(); }
unsigned lineno() const { return _lineno; }
const Filename &filename() const { return _filename; }
char *peek_line();
char *next_line();
char *append_next_line();
void save_line() { _saved_line = true; }
char *cur_line() const { return (char *)_line; }
unsigned cur_line_length() const { return _line_len; }
void shorten_line(unsigned);
private:
FILE *_f;
Filename _filename;
unsigned _lineno;
bool _own_f;
unsigned char *_data;
unsigned _cap;
unsigned _pos;
unsigned _len;
unsigned char *_line;
unsigned _line_len;
bool _saved_line;
bool _at_eof;
void grow_buffer();
inline int more_data();
char *get_line_at(unsigned);
};
inline void
Slurper::shorten_line(unsigned pos)
{
if (pos < _line_len) {
_line_len = pos;
_line[_line_len] = 0;
}
}
#endif
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