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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 __CMDLINE_H
#define __CMDLINE_H
#include <glib.h>
#include "memory.h"
#include "parser.h"
#include "qregisters.h"
#include "undo.h"
namespace SciTECO {
extern class Cmdline : public Object {
public:
/**
* String containing the current command line.
* It is not null-terminated and contains the effective
* command-line up to cmdline_len followed by the recently rubbed-out
* command-line of length cmdline_rubout_len.
*/
gchar *str;
/** Effective command line length */
gsize len;
/** Length of the rubbed out command line */
gsize rubout_len;
/** Program counter within the command-line macro */
guint pc;
Cmdline() : str(NULL), len(0), rubout_len(0), pc(0) {}
inline
~Cmdline()
{
g_free(str);
}
inline gchar
operator [](guint i) const
{
return str[i];
}
void keypress(gchar key);
inline void
keypress(const gchar *keys)
{
while (*keys)
keypress(*keys++);
}
void fnmacro(const gchar *name);
void replace(void) G_GNUC_NORETURN;
private:
void process_edit_cmd(gchar key);
inline void
rubout(void)
{
if (len) {
undo.pop(--len);
rubout_len++;
}
}
inline void
rubout_command(void)
{
do
rubout();
while (States::current != &States::start);
}
void insert(const gchar *src = NULL);
inline void
insert(gchar key)
{
gchar src[] = {key, '\0'};
insert(src);
}
} cmdline;
extern bool quit_requested;
/*
* Command states
*/
class StateSaveCmdline : public StateExpectQReg {
public:
StateSaveCmdline() : StateExpectQReg(QREG_OPTIONAL_INIT) {}
private:
State *got_register(QRegister *reg);
};
namespace States {
extern StateSaveCmdline save_cmdline;
}
} /* namespace SciTECO */
#endif
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