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#ifndef __QBUFFERS_H
#define __QBUFFERS_H
#include <bsd/sys/queue.h>
#include <glib.h>
#include <glib/gprintf.h>
#include <Scintilla.h>
#include "sciteco.h"
#include "undo.h"
#include "parser.h"
class Buffer {
class UndoTokenClose : public UndoToken {
Buffer *buffer;
public:
UndoTokenClose(Buffer *_buffer)
: UndoToken(), buffer(_buffer) {}
void
run(void)
{
buffer->close();
delete buffer;
}
};
public:
LIST_ENTRY(Buffer) buffers;
gchar *filename;
gint dot;
private:
typedef void document;
document *doc;
public:
Buffer() : filename(NULL), dot(0)
{
doc = (document *)editor_msg(SCI_CREATEDOCUMENT);
}
~Buffer()
{
editor_msg(SCI_RELEASEDOCUMENT, 0, (sptr_t)doc);
g_free(filename);
}
inline void
set_filename(const gchar *filename)
{
g_free(Buffer::filename);
Buffer::filename = filename ? g_strdup(filename) : NULL;
}
inline void
edit(void)
{
editor_msg(SCI_SETDOCPOINTER, 0, (sptr_t)doc);
editor_msg(SCI_GOTOPOS, dot);
}
inline void
undo_edit(void)
{
undo.push_msg(SCI_GOTOPOS, dot);
undo.push_msg(SCI_SETDOCPOINTER, 0, (sptr_t)doc);
}
bool load(const gchar *filename);
void close(void);
inline void
undo_close(void)
{
undo.push(new UndoTokenClose(this));
}
};
extern class Ring {
LIST_HEAD(Head, Buffer) head;
Buffer *current;
public:
Ring() : current(NULL)
{
LIST_INIT(&head);
}
~Ring();
Buffer *find(const gchar *filename);
bool edit(const gchar *filename);
inline void
undo_edit(void)
{
current->dot = editor_msg(SCI_GETCURRENTPOS);
undo.push_var<Buffer*>(current);
current->undo_edit();
}
void close(void);
inline void
undo_close(void)
{
current->undo_close();
}
} ring;
/*
* Command states
*/
class StateFile : public StateExpectString {
private:
void do_edit(const gchar *filename);
State *done(const gchar *str);
};
#endif
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