/*

 * $Id: command.h,v 1.70 2015/08/08 18:32:17 sfeam Exp $

 */

/* GNUPLOT - command.h */

/*[

 * Copyright 1999, 2004   Thomas Williams, Colin Kelley

 *

 * Permission to use, copy, and distribute this software and its

 * documentation for any purpose with or without fee is hereby granted,

 * provided that the above copyright notice appear in all copies and

 * that both that copyright notice and this permission notice appear

 * in supporting documentation.

 *

 * Permission to modify the software is granted, but not the right to

 * distribute the complete modified source code.  Modifications are to

 * be distributed as patches to the released version.  Permission to

 * distribute binaries produced by compiling modified sources is granted,

 * provided you

 *   1. distribute the corresponding source modifications from the

 *    released version in the form of a patch file along with the binaries,

 *   2. add special version identification to distinguish your version

 *    in addition to the base release version number,

 *   3. provide your name and address as the primary contact for the

 *    support of your modified version, and

 *   4. retain our contact information in regard to use of the base

 *    software.

 * Permission to distribute the released version of the source code along

 * with corresponding source modifications in the form of a patch file is

 * granted with same provisions 2 through 4 for binary distributions.

 *

 * This software is provided "as is" without express or implied warranty

 * to the extent permitted by applicable law.

]*/

#ifndef GNUPLOT_COMMAND_H

# define GNUPLOT_COMMAND_H

#include "gp_types.h"

#include "stdfn.h"

extern char *gp_input_line;

extern size_t gp_input_line_len;

extern int inline_num;

extern int if_depth;			/* old if/else syntax only */

extern TBOOLEAN if_open_for_else;	/* new if/else syntax only */

extern TBOOLEAN if_condition;		/* used by both old and new syntax */

typedef struct lexical_unit {	/* produced by scanner */

    TBOOLEAN is_token;		/* true if token, false if a value */

    struct value l_val;

    int start_index;		/* index of first char in token */

    int length;			/* length of token in chars */

} lexical_unit;

extern struct lexical_unit *token;

extern int token_table_size;

extern int plot_token;

#define END_OF_COMMAND (c_token >= num_tokens || equals(c_token,";"))

extern char *replot_line;

/* flag to disable `replot` when some data are sent through stdin;

 * used by mouse/hotkey capable terminals */

extern TBOOLEAN replot_disabled;

#ifdef USE_MOUSE

extern int paused_for_mouse;	/* Flag the end condition we are paused until */

#define PAUSE_BUTTON1   001		/* Mouse button 1 */

#define PAUSE_BUTTON2   002		/* Mouse button 2 */

#define PAUSE_BUTTON3   004		/* Mouse button 3 */

#define PAUSE_CLICK	007		/* Any button click */

#define PAUSE_KEYSTROKE 010		/* Any keystroke */

#define PAUSE_WINCLOSE	020		/* Window close event */

#define PAUSE_ANY       077		/* Terminate on any of the above */

#endif

/* output file for the print command */

extern FILE *print_out;

extern struct udvt_entry * print_out_var;

extern char *print_out_name;

extern struct udft_entry *dummy_func;

#ifndef STDOUT

# define STDOUT 1

#endif

#if defined(MSDOS) && defined(DJGPP)

extern char HelpFile[];         /* patch for do_help  - AP */

#endif /* MSDOS */

#ifdef _Windows

# define SET_CURSOR_WAIT SetCursor(LoadCursor((HINSTANCE) NULL, IDC_WAIT))

# define SET_CURSOR_ARROW SetCursor(LoadCursor((HINSTANCE) NULL, IDC_ARROW))

#else

# define SET_CURSOR_WAIT        /* nought, zilch */

# define SET_CURSOR_ARROW       /* nought, zilch */

#endif

/* Include code to support deprecated "call" syntax. */

#ifdef BACKWARDS_COMPATIBLE

#define OLD_STYLE_CALL_ARGS

#endif

/* input data, parsing variables */

extern int num_tokens, c_token;

void raise_lower_command __PROTO((int));

void raise_command __PROTO((void));

void lower_command __PROTO((void));

#ifdef OS2

extern void pm_raise_terminal_window __PROTO((void));

extern void pm_lower_terminal_window __PROTO((void));

#endif

#ifdef X11

extern void x11_raise_terminal_window __PROTO((int));

extern void x11_raise_terminal_group __PROTO((void));

extern void x11_lower_terminal_window __PROTO((int));

extern void x11_lower_terminal_group __PROTO((void));

#endif

#ifdef _Windows

extern void win_raise_terminal_window __PROTO((int));

extern void win_raise_terminal_group __PROTO((void));

extern void win_lower_terminal_window __PROTO((int));

extern void win_lower_terminal_group __PROTO((void));

#endif

#ifdef WXWIDGETS

extern void wxt_raise_terminal_window __PROTO((int));

extern void wxt_raise_terminal_group __PROTO((void));

extern void wxt_lower_terminal_window __PROTO((int));

extern void wxt_lower_terminal_group __PROTO((void));

#endif

extern void string_expand_macros __PROTO((void));

#ifdef USE_MOUSE

void bind_command __PROTO((void));

void restore_prompt __PROTO((void));

#else

#define bind_command()

#endif

void array_command __PROTO((void));

void break_command __PROTO((void));

void call_command __PROTO((void));

void changedir_command __PROTO((void));

void clear_command __PROTO((void));

void continue_command __PROTO((void));

void eval_command __PROTO((void));

void exit_command __PROTO((void));

void help_command __PROTO((void));

void history_command __PROTO((void));

void do_command __PROTO((void));

void if_command __PROTO((void));

void else_command __PROTO((void));

void import_command __PROTO((void));

void invalid_command __PROTO((void));

void link_command __PROTO((void));

void load_command __PROTO((void));

void begin_clause __PROTO((void));

void clause_reset_after_error __PROTO((void));

void end_clause __PROTO((void));

void null_command __PROTO((void));

void pause_command __PROTO((void));

void plot_command __PROTO((void));

void print_command __PROTO((void));

void printerr_command __PROTO((void));

void pwd_command __PROTO((void));

void refresh_request __PROTO((void));

void refresh_command __PROTO((void));

void replot_command __PROTO((void));

void reread_command __PROTO((void));

void save_command __PROTO((void));

void screendump_command __PROTO((void));

void splot_command __PROTO((void));

void stats_command __PROTO((void));

void system_command __PROTO((void));

void test_command __PROTO((void));

void toggle_command __PROTO((void));

void update_command __PROTO((void));

void do_shell __PROTO((void));

void undefine_command __PROTO((void));

void while_command __PROTO((void));

/* Prototypes for functions exported by command.c */

void extend_input_line __PROTO((void));

void extend_token_table __PROTO((void));

int com_line __PROTO((void));

int do_line __PROTO((void));

void do_string __PROTO((const char* s));

void do_string_and_free __PROTO((char* s));

TBOOLEAN iteration_early_exit __PROTO((void));

#ifdef USE_MOUSE

void toggle_display_of_ipc_commands __PROTO((void));

int display_ipc_commands __PROTO((void));

void do_string_replot __PROTO((const char* s));

#endif

#ifdef VMS                     /* HBB 990829: used only on VMS */

void done __PROTO((int status));

#endif

void define __PROTO((void));

void replotrequest __PROTO((void)); /* used in command.c & mouse.c */

void print_set_output __PROTO((char *, TBOOLEAN, TBOOLEAN)); /* set print output file */

char *print_show_output __PROTO((void)); /* show print output file */

/* Activate/deactive effects of 'set view map' before 'splot'/'plot',

 * respectively. Required for proper mousing during 'set view map';

 * actually it won't be necessary if gnuplot keeps a copy of all variables for

 * the current plot and don't share them with 'set' commands.

 *   These routines need to be executed before each plotrequest() and

 * plot3drequest().

 */

void splot_map_activate __PROTO((void));

void splot_map_deactivate __PROTO((void));

int do_system_func __PROTO((const char *cmd, char **output));

#endif /* GNUPLOT_COMMAND_H */