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// This file is part of The New Aspell
// Copyright (C) 2001 by Kevin Atkinson under the GNU LGPL license
// version 2.0 or 2.1. You should have received a copy of the LGPL
// license along with this library if you did not you can find
// it at http://www.gnu.org/.
#include <stdio.h>
#include <assert.h>
#include "iostream.hpp"
#include "asc_ctype.hpp"
#include "string.hpp"
#include "fstream.hpp"
#include "errors.hpp"
namespace acommon {
PosibErr<void> FStream::open(ParmStr name, const char * mode)
{
assert (file_ == 0);
file_ = fopen(name,mode);
if (file_ == 0) {
if (strpbrk(mode, "wa+") != 0)
return make_err(cant_write_file, name);
else
return make_err(cant_read_file, name);
} else {
return no_err;
}
}
void FStream::close()
{
if (file_ != 0 && own_)
fclose(file_);
file_ = 0;
}
int FStream::file_no()
{
return fileno(file_);
}
FILE * FStream::c_stream()
{
return file_;
}
void FStream::restart()
{
flush();
fseek(file_,0,SEEK_SET);
}
void FStream::skipws()
{
int c;
while (c = getc(file_), c != EOF && asc_isspace(c));
ungetc(c, file_);
}
FStream & FStream::operator>> (String & str)
{
skipws();
int c;
str = "";
while (c = getc(file_), c != EOF && !asc_isspace(c))
str += static_cast<char>(c);
ungetc(c, file_);
return *this;
}
FStream & FStream::operator<< (ParmStr str)
{
fputs(str, file_);
return *this;
}
bool FStream::append_line(String & str, char d)
{
int c;
c = getc(file_);
if (c == EOF) return false;
if (c == (int)d) return true;
str.append(c);
while (c = getc(file_), c != EOF && c != (int)d)
str.append(c);
return true;
}
bool FStream::read(void * str, unsigned int n)
{
fread(str,1,n,file_);
return operator bool();
}
void FStream::write(char c)
{
putc(c, file_);
}
void FStream::write(ParmStr str)
{
fputs(str, file_);
}
void FStream::write(const void * str, unsigned int n)
{
fwrite(str,1,n,file_);
}
FStream & FStream::operator>> (unsigned int & num)
{
int r = fscanf(file_, " %u", &num);
if (r != 1)
close();
return *this;
}
FStream & FStream::operator<< (unsigned int num)
{
fprintf(file_, "%u", num);
return *this;
}
FStream & FStream::operator>> (int & num)
{
int r = fscanf(file_, " %i", &num);
if (r != 1)
close();
return *this;
}
FStream & FStream::operator<< (int num)
{
fprintf(file_, "%i", num);
return *this;
}
FStream & FStream::operator<< (double num)
{
fprintf(file_, "%g", num);
return *this;
}
}
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