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// This file is part of The New Aspell
//
// Copyright (C) 2005 by Brian Nelson, based on the email filter,
// 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 "settings.h"
#include "indiv_filter.hpp"
#include "convert.hpp"
#include "config.hpp"
#include "indiv_filter.hpp"
namespace {
using namespace acommon;
class DebctrlFilter : public IndividualFilter
{
bool prev_newline;
bool in_field;
public:
PosibErr<bool> setup(Config *);
void reset();
void process(FilterChar * &, FilterChar * &);
};
PosibErr<bool> DebctrlFilter::setup(Config * opts)
{
name_ = "debctrl-filter";
order_num_ = 0.90;
reset();
return true;
}
void DebctrlFilter::reset()
{
prev_newline = true;
in_field = false;
}
void DebctrlFilter::process(FilterChar * & str, FilterChar * & end)
{
FilterChar * line_begin = str;
FilterChar * cur = str;
while (cur < end) {
if (prev_newline && *cur != ' ')
in_field = true;
if (*cur == '\n') {
if (in_field) {
for (FilterChar * i = line_begin; i != cur; ++i)
*i = ' ';
}
line_begin = cur;
in_field = false;
prev_newline = true;
} else {
prev_newline = false;
}
++cur;
}
if (in_field)
for (FilterChar * i = line_begin; i != cur; ++i)
*i = ' ';
}
}
C_EXPORT
IndividualFilter * new_aspell_debctrl_filter() {
return new DebctrlFilter;
}
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