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/*
* Copyright (C) 2012-2017 Robin Haberkorn
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __EOL_H
#define __EOL_H
#include <string.h>
#include <glib.h>
#include "sciteco.h"
#include "memory.h"
namespace SciTECO {
class EOLReader : public Object {
gchar *buffer;
gsize read_len;
guint offset;
gsize block_len;
gint last_char;
public:
gint eol_style;
gboolean eol_style_inconsistent;
EOLReader(gchar *_buffer)
: buffer(_buffer),
read_len(0), offset(0), block_len(0),
last_char(0), eol_style(-1),
eol_style_inconsistent(FALSE) {}
virtual ~EOLReader() {}
const gchar *convert(gsize &data_len);
protected:
virtual bool read(gchar *buffer, gsize &read_len) = 0;
};
class EOLReaderGIO : public EOLReader {
gchar buffer[1024];
GIOChannel *channel;
bool read(gchar *buffer, gsize &read_len);
public:
EOLReaderGIO(GIOChannel *_channel = NULL)
: EOLReader(buffer), channel(NULL)
{
set_channel(_channel);
}
inline void
set_channel(GIOChannel *_channel = NULL)
{
if (channel)
g_io_channel_unref(channel);
channel = _channel;
if (channel)
g_io_channel_ref(channel);
}
~EOLReaderGIO()
{
set_channel();
}
};
class EOLReaderMem : public EOLReader {
gsize buffer_len;
bool read(gchar *buffer, gsize &read_len);
public:
EOLReaderMem(gchar *buffer, gsize _buffer_len)
: EOLReader(buffer), buffer_len(_buffer_len) {}
gchar *convert_all(gsize *out_len = NULL);
};
class EOLWriter : public Object {
enum {
STATE_START = 0,
STATE_WRITE_LF
} state;
gchar last_c;
const gchar *eol_seq;
gsize eol_seq_len;
public:
EOLWriter(gint eol_mode) : state(STATE_START), last_c('\0')
{
eol_seq = get_eol_seq(eol_mode);
eol_seq_len = strlen(eol_seq);
}
virtual ~EOLWriter() {}
gsize convert(const gchar *buffer, gsize buffer_len);
protected:
virtual gsize write(const gchar *buffer, gsize buffer_len) = 0;
};
class EOLWriterGIO : public EOLWriter {
GIOChannel *channel;
gsize write(const gchar *buffer, gsize buffer_len);
public:
EOLWriterGIO(gint eol_mode)
: EOLWriter(eol_mode), channel(NULL) {}
EOLWriterGIO(GIOChannel *_channel, gint eol_mode)
: EOLWriter(eol_mode), channel(NULL)
{
set_channel(_channel);
}
inline void
set_channel(GIOChannel *_channel = NULL)
{
if (channel)
g_io_channel_unref(channel);
channel = _channel;
if (channel)
g_io_channel_ref(channel);
}
~EOLWriterGIO()
{
set_channel();
}
};
class EOLWriterMem : public EOLWriter {
GString *str;
gsize write(const gchar *buffer, gsize buffer_len);
public:
EOLWriterMem(GString *_str, gint eol_mode)
: EOLWriter(eol_mode), str(_str) {}
};
} /* namespace SciTECO */
#endif
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