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#ifndef __QBUFFERS_H
#define __QBUFFERS_H
#include <string.h>
#include <bsd/sys/queue.h>
#include <glib.h>
#include <glib/gprintf.h>
#include <Scintilla.h>
#include "sciteco.h"
#include "undo.h"
#include "rbtree.h"
#include "parser.h"
class QRegister : public RBTree::RBEntry {
public:
gchar *name;
gint64 integer;
typedef void document;
document *string;
gint dot;
QRegister(const gchar *_name)
: name(g_strdup(_name)), integer(0), string(NULL), dot(0) {}
~QRegister()
{
if (string)
editor_msg(SCI_RELEASEDOCUMENT, 0, (sptr_t)string);
g_free(name);
}
int
operator <(RBEntry &entry)
{
return g_strcmp0(name, ((QRegister &)entry).name);
}
void set_string(const gchar *str);
inline document *
get_string(void)
{
if (!string)
string = (document *)editor_msg(SCI_CREATEDOCUMENT);
return string;
}
inline void
edit(void)
{
editor_msg(SCI_SETDOCPOINTER, 0, (sptr_t)get_string());
editor_msg(SCI_GOTOPOS, dot);
}
inline void
undo_edit(void)
{
undo.push_msg(SCI_GOTOPOS, dot);
undo.push_msg(SCI_SETDOCPOINTER, 0, (sptr_t)get_string());
}
bool load(const gchar *filename);
};
extern class QRegisterTable : public RBTree {
inline void
initialize_register(const gchar *name)
{
QRegister *reg = new QRegister(name);
insert(reg);
/* make sure document is initialized */
reg->get_string();
}
public:
QRegister *current;
QRegisterTable() : RBTree(), current(NULL) {}
void initialize(void);
inline QRegister *
operator [](const gchar *name)
{
QRegister reg(name);
return (QRegister *)find(®);
}
void edit(QRegister *reg);
inline QRegister *
edit(const gchar *name)
{
QRegister *reg = operator [](name);
if (!reg)
return NULL;
edit(reg);
return reg;
}
inline void
undo_edit(void)
{
current->dot = editor_msg(SCI_GETCURRENTPOS);
undo.push_var<QRegister*>(current);
current->undo_edit();
}
} qregisters;
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 Buffer *
next(void)
{
return LIST_NEXT(this, buffers);
}
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;
public:
Buffer *current;
Ring() : current(NULL)
{
LIST_INIT(&head);
}
~Ring();
inline Buffer *
first(void)
{
return LIST_FIRST(&head);
}
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);
void initial(void);
State *done(const gchar *str);
};
class StateEQCommand : public StateExpectQReg {
private:
State *got_register(QRegister *reg);
};
class StateLoadQReg : public StateExpectString {
private:
State *done(const gchar *str);
};
class StateCtlUCommand : public StateExpectQReg {
private:
State *got_register(QRegister *reg);
};
class StateSetQRegString : public StateExpectString {
private:
State *done(const gchar *str);
};
namespace States {
extern StateFile file;
extern StateEQCommand eqcommand;
extern StateLoadQReg loadqreg;
extern StateCtlUCommand ctlucommand;
extern StateSetQRegString setqregstring;
}
/*
* Auxiliary functions
*/
static inline bool
is_glob_pattern(const gchar *str)
{
return strchr(str, '*') || strchr(str, '?');
}
#endif
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