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/*****
* interact.h
*
* The glue between the lexical analyzer and the readline library.
*****/
#ifndef INTERACT_H
#define INTERACT_H
#include "common.h"
#ifdef HAVE_LIBCURSES
#ifdef HAVE_LIBREADLINE
#include <readline/readline.h>
#include <readline/history.h>
#else
#ifdef HAVE_LIBEDIT
// Work around incorrect declaration in NetBSD readline.h v1.33
#define rl_completion_entry_function rl_completion_entry_function_declaration
#ifdef HAVE_EDITLINE_READLINE_H
#include <editline/readline.h>
#else
#include <readline/readline.h>
#endif
#undef rl_completion_entry_function
extern "C" rl_compentry_func_t *rl_completion_entry_function;
#endif
#endif
#endif
void interruptHandler(int);
namespace interact {
extern bool interactive;
extern bool uptodate;
extern int lines; // Interactive scroll count
extern bool query; // Enable interactive scrolling;
void init_interactive();
// Read a line from the input, without any processing.
string simpleline(string prompt);
// Add a line of input to the readline history.
void addToHistory(string line);
// Functions to work with the most recently entered line in the history.
string getLastHistoryLine();
void setLastHistoryLine(string line);
// Remove the line last added to the history.
void deleteLastLine();
// Write out the history of input lines to the history file.
void cleanup_interactive();
// This class is used to set a text completion function for readline. A class
// is used instead the usual function pointer so that information such as the
// current environment can be coded into the function (mimicking a closure).
class completer {
public:
virtual ~completer() {};
virtual char *operator () (const char *text, int state) = 0;
};
void setCompleter(completer *c);
#define YY_READ_BUF_SIZE YY_BUF_SIZE
void init_readline(bool tabcompletion);
}
#endif // INTERACT_H
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