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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 __GOTO_H
#define __GOTO_H
#include <string.h>
#include <glib.h>
#include <glib/gprintf.h>
#include "sciteco.h"
#include "memory.h"
#include "parser.h"
#include "undo.h"
#include "rbtree.h"
namespace SciTECO {
class GotoTable : private RBTreeString, public Object {
class UndoTokenSet : public UndoToken {
GotoTable *table;
gchar *name;
gint pc;
public:
UndoTokenSet(GotoTable *_table, const gchar *_name, gint _pc = -1)
: table(_table), name(g_strdup(_name)), pc(_pc) {}
~UndoTokenSet()
{
g_free(name);
}
void
run(void)
{
table->set(name, pc);
#ifdef DEBUG
table->dump();
#endif
}
};
class Label : public RBTreeString::RBEntryOwnString {
public:
gint pc;
Label(const gchar *name, gint _pc = -1)
: RBEntryOwnString(name), pc(_pc) {}
};
/*
* whether to generate UndoTokens (unnecessary in macro invocations)
*/
bool must_undo;
public:
GotoTable(bool _undo = true) : must_undo(_undo) {}
~GotoTable()
{
clear();
}
gint remove(const gchar *name);
gint find(const gchar *name);
gint set(const gchar *name, gint pc);
inline void
undo_set(const gchar *name, gint pc = -1)
{
if (must_undo)
undo.push<UndoTokenSet>(this, name, pc);
}
inline void
clear(void)
{
Label *cur;
while ((cur = (Label *)root()))
delete (Label *)RBTreeString::remove(cur);
}
inline gchar *
auto_complete(const gchar *name, gchar completed = ',')
{
return RBTreeString::auto_complete(name, completed);
}
#ifdef DEBUG
void dump(void);
#endif
};
namespace Goto {
extern GotoTable *table;
extern gchar *skip_label;
}
/*
* Command states
*/
class StateLabel : public State {
public:
StateLabel();
private:
State *custom(gchar chr);
};
class StateGotoCmd : public StateExpectString {
private:
State *done(const gchar *str);
protected:
/* in cmdline.cpp */
void process_edit_cmd(gchar key);
};
namespace States {
extern StateLabel label;
extern StateGotoCmd gotocmd;
}
} /* namespace SciTECO */
#endif
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