Diff
Not logged in

Differences From Artifact [1a4acfc94a]:

To Artifact [abc453aae1]:


1
2
3
4
5
6
7
8
9
10
11
12

 /* ==================================================================

    FILE: "/home/joze/src/tclreadline/tclreadline.c"
    LAST MODIFICATION: "Fri Aug 20 23:41:24 1999 (joze)"
    (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
    $Id$
    ---

    tclreadline -- gnu readline for tcl
    Copyright (C) 1999  Johannes Zellner





|







1
2
3
4
5
6
7
8
9
10
11
12

 /* ==================================================================

    FILE: "/home/joze/src/tclreadline/tclreadline.c"
    LAST MODIFICATION: "Sat Aug 21 17:44:13 1999 (joze)"
    (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
    $Id$
    ---

    tclreadline -- gnu readline for tcl
    Copyright (C) 1999  Johannes Zellner

35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120

121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153

154
155
156

157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216

217
218
219
220
221
222

223
224
225
226
227

228
229
230
231
232
233
234
235
236
237
238
239
240
241
242





243
244
245

246
247
248
249
250

251
252
253
254
255
256
257

258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276

277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299

300
301
302
303
304

305
306
307
308
309

310
311
312
313

314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
#include <string.h>
#define READLINE_LIBRARY
#include <readline.h>
#include <history.h>

#include <tclreadline.h>

#define MALLOC(size) Tcl_Alloc ((int) size)
#define FREE(ptr) if (ptr) Tcl_Free ((char *) ptr)

enum {
    _CMD_SET     = (1 << 0),
    _CMD_GET     = (1 << 1),
    _CMD_SUB_GET = (1 << 2)
};


typedef struct cmds_t {
    struct cmds_t  *prev;
    char          **cmd;
    struct cmds_t  *next;
} cmds_t;


#define STRIPLEFT(ptr)          \
do {                            \
    char *tmp = ptr;            \
    while (*tmp && *tmp <= ' ') \
        tmp ++;                 \
    strcpy (ptr, tmp);          \
} while (0)

#define STRIPRIGHT(ptr)                                \
do {                                                   \
    char *__tmp__;                                     \
    for (__tmp__ = strchr (ptr, '\0') - 1;             \
         __tmp__ >= ptr && *__tmp__ <= ' '; __tmp__--) \
        *__tmp__ = '\0';                               \
} while (0)

#define STRIPWHITE(ptr) \
do {                    \
    STRIPLEFT (ptr);    \
    STRIPRIGHT (ptr);   \
} while (0)


/*
 * forward declarations.
 */
int    TclReadlineCmd	(ClientData clientData, Tcl_Interp *interp,
                         int argc, char **argv);
void   TclReadlineDataAvailableHandler	(ClientData clientData, int mask);
void   TclReadlineLineCompleteHandler	(char *ptr);
int    Tclreadline_SafeInit	(Tcl_Interp *interp);
int    Tclreadline_Init	(Tcl_Interp *interp);
char*  TclReadlineInitialize	(char *historyfile);
char** TclReadlineCompletion	(char *text, int start, int end);
char*  TclReadline0generator	(char *text, int state);
char*  TclReadline1generator	(char *text, int state);
char*  TclReadlineKnownCommands	(char *text, int state, int mode);
int    TclReadlineEventHook	(void);
int    TclReadlineParse	(char **args, int maxargs, char *buf);

enum { 
    LINE_PENDING,
    LINE_CONTROL_D,
    LINE_COMPLETE
};

static int line_complete = LINE_PENDING;
static char *line = (char *) NULL;


/*
 * Script to set the tclreadline library path in the
 * variable global "tclreadline_library"
 */



int TclReadlineCmd (clientData, interp, argc, argv)
    ClientData clientData;	/* Main window associated with interpreter  */
    Tcl_Interp *interp;		/* Current interpreter                      */
    int argc;			/* Number of arguments                      */
    char **argv;		/* Argument strings                         */

{
    int		c, length;
    

    if (argc < 2) {
	interp->result = "wrong # args";
	for (c = 0; c < argc; c++)
	    fprintf (stderr, "argv[%d] = %s\n", c, argv[c]);
	return TCL_ERROR;
    }

    c = argv[1][0];
    length = strlen(argv[1]);


    if (c == 'r'  && strncmp (argv[1], "read", length) == 0) {
        
        char *expansion = (char *) NULL;
        int status;
        
        line_complete = LINE_PENDING;
        rl_callback_handler_install (argc == 3 ? argv[2] : "%",
                TclReadlineLineCompleteHandler);

        Tcl_CreateFileHandler (0, TCL_READABLE,
                TclReadlineDataAvailableHandler, (ClientData) NULL);

        while (LINE_PENDING == line_complete) {
            Tcl_DoOneEvent (0);
        }

        Tcl_DeleteFileHandler (0);


	if (LINE_CONTROL_D == line_complete) {
	    Tcl_Eval (interp, "puts {}; exit");
	}


        status = history_expand (line, &expansion);
        if (status == 1)
            printf ("%s\n", expansion);
        else if (status == -1)
            Tcl_AppendResult (interp, "error in history expansion\n",
                    (char *) NULL);
        
        if (expansion && *expansion)
            add_history (expansion);

        Tcl_AppendResult (interp, expansion, (char *) NULL);

        FREE (line);
        FREE (expansion);
        return TCL_OK;
    }
    else if (c == 'i'  && strncmp (argv[1], "initialize", length) == 0) {
        if (argc != 3)
            goto BAD_COMMAND;
        else
            Tcl_AppendResult (interp, TclReadlineInitialize (argv[2]),
                    (char *) NULL);
    }
    else if (c == 'w'  && strncmp (argv[1], "write", length) == 0) {
        if (argc != 3)
            goto BAD_COMMAND;
        else if (write_history (argv[2]))
            Tcl_AppendResult (interp, "unable to write history to \"",
                    argv[2], "\"\n", (char *) NULL);
    }
    else if (c == 'a'  && strncmp (argv[1], "add", length) == 0) {
        if (argc != 3)
            goto BAD_COMMAND;
        else if (TclReadlineKnownCommands (argv[2], (int) 0, _CMD_SET))
            Tcl_AppendResult (interp, "unable to add command \"",
                    argv[2], "\"\n", (char *) NULL);
    }
    else if (c == 'c'  && strncmp (argv[1], "complete", length) == 0) {
        if (argc != 3)
            goto BAD_COMMAND;
        else if (Tcl_CommandComplete (argv[2]))
            Tcl_AppendResult (interp, "1", (char *) NULL);
        else
            Tcl_AppendResult (interp, "0", (char *) NULL);
    }
    else
        goto BAD_COMMAND;


    return TCL_OK;

BAD_COMMAND:
    Tcl_AppendResult (interp,
            "wrong # args: should be \"readline option ?arg ...?\"",
	    (char *) NULL);
    return TCL_ERROR;

}


void TclReadlineDataAvailableHandler (ClientData clientData, int mask)
{
#if 0
    fprintf (stderr, "(TclReadlineDataAvailableHandler) mask = %d\n",  mask);
#endif
    if (mask & TCL_READABLE) {

        rl_callback_read_char ();
        rl_redisplay ();
    }
}


void TclReadlineLineCompleteHandler (char *ptr)
{
#if 0
    fprintf (stderr, "(TclReadlineLineCompleteHandler)  ptr = %p\n",  ptr);
    if (ptr)
    fprintf (stderr, "(TclReadlineLineCompleteHandler) *ptr = %p\n", *ptr);
#endif
    if (!ptr) { /* <c-d> */
        line_complete = LINE_CONTROL_D;
        rl_callback_handler_remove ();
    } else if (*ptr) {
        line_complete = LINE_COMPLETE;
        rl_callback_handler_remove ();
        line = ptr;
    }





}



int Tclreadline_SafeInit (Tcl_Interp *interp)
{
    return Tclreadline_Init (interp);
}


int Tclreadline_Init (Tcl_Interp *interp)
{
    Tcl_CreateCommand (interp, "::tclreadline::readline", TclReadlineCmd,
	    (ClientData) NULL, (Tcl_CmdDeleteProc *) NULL);
    return Tcl_PkgProvide (interp, "tclreadline", TCLREADLINE_VERSION);
}


char *TclReadlineInitialize (char *historyfile)
{

    rl_readline_name = "tclreadline";
    using_history ();

    /*
     * try to read historyfile in home
     * directory. If this failes, this
     * is *not* an error.
     */
    rl_attempted_completion_function = (CPPFunction *) TclReadlineCompletion;
    if (read_history (historyfile))
        return "unable to read history file";
    
    else
        return "";
}


char **TclReadlineCompletion (char *text, int start, int end)
{
    char **matches = (char **) NULL;
    static char local_line[BUFSIZ];
       
    strcpy (local_line, rl_line_buffer);
    
    STRIPWHITE (local_line);
    
    /*
    fprintf (stderr, "DEBUG> TclReadlineCompletion: text=|%s|\n", text);
    fprintf (stderr, "DEBUG> TclReadlineCompletion: start=|%d|\n", start);
    fprintf (stderr, "DEBUG> TclReadlineCompletion: end=|%d|\n", end);
    */

    if (start == 0 || !strlen (local_line))
        matches = completion_matches (text, TclReadline0generator);
    else
        matches = completion_matches (text, TclReadline1generator);
    
    return matches;
}


char *TclReadline0generator (char *text, int state)
{
    return TclReadlineKnownCommands (text, state, _CMD_GET);
}


char *TclReadline1generator (char *text, int state)
{
    return TclReadlineKnownCommands (text, state, _CMD_SUB_GET);
}


char *TclReadlineKnownCommands (char *text, int state, int mode)
{
    static int len;
    static cmds_t *cmds = (cmds_t *) NULL, *new;

    char *tmp, *args[256];
    int i, argc;
    char **name;
    
    switch (mode) {
        
        case _CMD_SET:

            new = (cmds_t *) MALLOC (sizeof (cmds_t));
            new->next = (cmds_t *) NULL;

            if (!cmds) {
                cmds = new;
                cmds->prev = new;
            }
            else {
                cmds->prev->next = new;
                cmds->prev = new;
            }

            tmp = strdup (text);
            argc = TclReadlineParse (args, sizeof (args), tmp);

            new->cmd = (char **) MALLOC (sizeof (char *) * (argc + 1));

            for (i = 0; i < argc; i++)
                new->cmd[i] = args[i];

            new->cmd[argc] = (char *) NULL;

            return (char *) NULL;
            break;


        case _CMD_GET:


            if (!state) {
                new = cmds;
                len = strlen (text);
            }

            while (new && (name = new->cmd)) {
                new = new->next;
                if (!strncmp (name[0], text, len))
                    return strdup (name[0]);
            }

            return (char *) NULL;
            break;

        case _CMD_SUB_GET:
            

            if (!state) {

                int sub;
                char *local_line = strdup (rl_line_buffer);
                
                len = strlen (local_line);
                STRIPRIGHT (local_line);

                if (len != strlen (local_line))
                    sub = TclReadlineParse (args, sizeof (args), local_line);
                else
                    sub = TclReadlineParse (args,
                                            sizeof (args), local_line) - 1;
                
                new = cmds;
                len = strlen (text);
                
                while (new && (name = new->cmd)) {
                    if (!strcmp (name[0], args[0]))
                        break;
                    new = new->next;
                }
                
                if (!new)
                    return (char *) NULL;

                for (i = 0; new->cmd[i]; i++) /* EMPTY */;

                if (sub < i && !strncmp (new->cmd[sub], text, len))
                    return strdup (new->cmd[sub]);
                else
                   return (char *) NULL;

            }
            else
                return (char *) NULL;

            /* NOTREACHED */
            break;


        default:
            return (char *) NULL;
            break;

    }
    
    /* NOTREACHED */

}

int TclReadlineEventHook (void)
{
    Tcl_DoOneEvent (TCL_ALL_EVENTS | TCL_DONT_WAIT);
    return TCL_OK;
}

int TclReadlineParse (char **args, int maxargs, char *buf)
{
    int nr = 0;

    while (*buf != '\0' && nr < maxargs) {
        /*
         * Strip whitespace.  Use nulls, so
         * that the previous argument is terminated







|
|




















|





|






|
|






|
|
|
|
|
|
|
|
|
|
|
<
|











<
<
<
<
|
<
<
|
|
|
|
|
>



<



|






<
|





|


|



|


|

>

|

>

|

|

|



|

|

|
|


|



|


|


|
|


|


|
|


|


|
|

|















>
|


|


>
|
<



>
|


|

|
<


|


|


>
>
>
>
>
|
|

>
|

|


>
|

|

|


>
|



|







|






>
|

|


|

|


|
|
|


|
|

|




>
|

|


>
|

|


>
|



>
|

|





|











|
|

|















|




|
|











|

|
|

|
|

|
<


|


|









|
|
















<

|
|
|
<
<
<
<
<
<
|







35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95

96
97
98
99
100
101
102
103
104
105
106
107




108


109
110
111
112
113
114
115
116
117

118
119
120
121
122
123
124
125
126
127

128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219

220
221
222
223
224
225
226
227
228
229

230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387

388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420

421
422
423
424






425
426
427
428
429
430
431
432
#include <string.h>
#define READLINE_LIBRARY
#include <readline.h>
#include <history.h>

#include <tclreadline.h>

#define MALLOC(size) Tcl_Alloc((int) size)
#define FREE(ptr) if (ptr) Tcl_Free((char *) ptr)

enum {
    _CMD_SET     = (1 << 0),
    _CMD_GET     = (1 << 1),
    _CMD_SUB_GET = (1 << 2)
};


typedef struct cmds_t {
    struct cmds_t  *prev;
    char          **cmd;
    struct cmds_t  *next;
} cmds_t;


#define STRIPLEFT(ptr)          \
do {                            \
    char *tmp = ptr;            \
    while (*tmp && *tmp <= ' ') \
        tmp ++;                 \
    strcpy(ptr, tmp);           \
} while (0)

#define STRIPRIGHT(ptr)                                \
do {                                                   \
    char *__tmp__;                                     \
    for (__tmp__ = strchr(ptr, '\0') - 1;              \
         __tmp__ >= ptr && *__tmp__ <= ' '; __tmp__--) \
        *__tmp__ = '\0';                               \
} while (0)

#define STRIPWHITE(ptr) \
do {                    \
    STRIPLEFT(ptr);     \
    STRIPRIGHT(ptr);    \
} while (0)


/*
 * forward declarations.
 */
int TclReadlineCmd(ClientData clientData, Tcl_Interp *interp,
    int argc, char **argv);
void TclReadlineDataAvailableHandler(ClientData clientData, int mask);
void TclReadlineLineCompleteHandler(char *ptr);
int Tclreadline_SafeInit(Tcl_Interp *interp);
int Tclreadline_Init(Tcl_Interp *interp);
char* TclReadlineInitialize(char *historyfile);
char** TclReadlineCompletion(char *text, int start, int end);
char* TclReadline0generator(char *text, int state);
char* TclReadline1generator(char *text, int state);
char* TclReadlineKnownCommands(char *text, int state, int mode);

int TclReadlineParse(char **args, int maxargs, char *buf);

enum { 
    LINE_PENDING,
    LINE_CONTROL_D,
    LINE_COMPLETE
};

static int line_complete = LINE_PENDING;
static char *line = (char *) NULL;






int


TclReadlineCmd(
    ClientData  clientData, /* Main window associated with interpreter  */
    Tcl_Interp* interp,     /* Current interpreter                      */
    int         argc,       /* Number of arguments                      */
    char**      argv        /* Argument strings                         */
)
{
    int		c, length;
    

    if (argc < 2) {
	interp->result = "wrong # args";
	for (c = 0; c < argc; c++)
	    fprintf(stderr, "argv[%d] = %s\n", c, argv[c]);
	return TCL_ERROR;
    }

    c = argv[1][0];
    length = strlen(argv[1]);


    if (c == 'r'  && strncmp(argv[1], "read", length) == 0) {
        
        char *expansion = (char *) NULL;
        int status;
        
        line_complete = LINE_PENDING;
        rl_callback_handler_install(argc == 3 ? argv[2] : "%",
                TclReadlineLineCompleteHandler);

        Tcl_CreateFileHandler(0, TCL_READABLE,
                TclReadlineDataAvailableHandler, (ClientData) NULL);

        while (LINE_PENDING == line_complete) {
            Tcl_DoOneEvent(0);
        }

        Tcl_DeleteFileHandler(0);

        /*
	if (LINE_CONTROL_D == line_complete) {
	    Tcl_Eval(interp, "puts {}; exit");
	}
        */

        status = history_expand(line, &expansion);
        if (status == 1)
            printf("%s\n", expansion);
        else if (status == -1)
            Tcl_AppendResult(interp, "error in history expansion\n",
                    (char *) NULL);
        
        if (expansion && *expansion)
            add_history(expansion);

        Tcl_AppendResult(interp, expansion, (char *) NULL);

        FREE(line);
        FREE(expansion);
        return TCL_OK;
    }
    else if (c == 'i'  && strncmp(argv[1], "initialize", length) == 0) {
        if (argc != 3)
            goto BAD_COMMAND;
        else
            Tcl_AppendResult(interp, TclReadlineInitialize(argv[2]),
                    (char *) NULL);
    }
    else if (c == 'w'  && strncmp(argv[1], "write", length) == 0) {
        if (argc != 3)
            goto BAD_COMMAND;
        else if (write_history(argv[2]))
            Tcl_AppendResult(interp, "unable to write history to \"",
                    argv[2], "\"\n", (char *) NULL);
    }
    else if (c == 'a'  && strncmp(argv[1], "add", length) == 0) {
        if (argc != 3)
            goto BAD_COMMAND;
        else if (TclReadlineKnownCommands(argv[2], (int) 0, _CMD_SET))
            Tcl_AppendResult(interp, "unable to add command \"",
                    argv[2], "\"\n", (char *) NULL);
    }
    else if (c == 'c'  && strncmp(argv[1], "complete", length) == 0) {
        if (argc != 3)
            goto BAD_COMMAND;
        else if (Tcl_CommandComplete(argv[2]))
            Tcl_AppendResult(interp, "1", (char *) NULL);
        else
            Tcl_AppendResult(interp, "0", (char *) NULL);
    }
    else
        goto BAD_COMMAND;


    return TCL_OK;

BAD_COMMAND:
    Tcl_AppendResult (interp,
            "wrong # args: should be \"readline option ?arg ...?\"",
	    (char *) NULL);
    return TCL_ERROR;

}

void
TclReadlineDataAvailableHandler(ClientData clientData, int mask)
{
#if 0
    fprintf(stderr, "(TclReadlineDataAvailableHandler) mask = %d\n",  mask);
#endif
    if (mask & TCL_READABLE) {
        while (0 == rl_done)
            rl_callback_read_char();

    }
}

void
TclReadlineLineCompleteHandler(char *ptr)
{
#if 0
    fprintf(stderr, "(TclReadlineLineCompleteHandler)  ptr = %p\n",  ptr);
    if (ptr)
    fprintf(stderr, "(TclReadlineLineCompleteHandler) *ptr = %p\n", *ptr);

    if (!ptr) { /* <c-d> */
        line_complete = LINE_CONTROL_D;
        rl_callback_handler_remove();
    } else if (*ptr) {
        line_complete = LINE_COMPLETE;
        rl_callback_handler_remove();
        line = ptr;
    }
#endif
    if (ptr && *ptr) {
        line_complete = 1;
        rl_callback_handler_remove ();
        line = ptr;
    }
}

int
Tclreadline_SafeInit(Tcl_Interp *interp)
{
    return Tclreadline_Init(interp);
}

int
Tclreadline_Init(Tcl_Interp *interp)
{
    Tcl_CreateCommand(interp, "::tclreadline::readline", TclReadlineCmd,
	    (ClientData) NULL, (Tcl_CmdDeleteProc *) NULL);
    return Tcl_PkgProvide(interp, "tclreadline", TCLREADLINE_VERSION);
}

char*
TclReadlineInitialize(char* historyfile)
{

    rl_readline_name = "tclreadline";
    using_history();

    /*
     * try to read historyfile in home
     * directory. If this failes, this
     * is *not* an error.
     */
    rl_attempted_completion_function = (CPPFunction *) TclReadlineCompletion;
    if (read_history(historyfile))
        return "unable to read history file";
    
    else
        return "";
}

char**
TclReadlineCompletion(char* text, int start, int end)
{
    char** matches = (char **) NULL;
    static char local_line[BUFSIZ];
       
    strcpy(local_line, rl_line_buffer);
    
    STRIPWHITE(local_line);
    
    /*
    fprintf(stderr, "DEBUG> TclReadlineCompletion: text=|%s|\n", text);
    fprintf(stderr, "DEBUG> TclReadlineCompletion: start=|%d|\n", start);
    fprintf(stderr, "DEBUG> TclReadlineCompletion: end=|%d|\n", end);
    */

    if (start == 0 || !strlen(local_line))
        matches = completion_matches(text, TclReadline0generator);
    else
        matches = completion_matches(text, TclReadline1generator);
    
    return matches;
}

char*
TclReadline0generator(char* text, int state)
{
    return TclReadlineKnownCommands(text, state, _CMD_GET);
}

char*
TclReadline1generator(char* text, int state)
{
    return TclReadlineKnownCommands(text, state, _CMD_SUB_GET);
}

char*
TclReadlineKnownCommands(char* text, int state, int mode)
{
    static int len;
    static cmds_t *cmds = (cmds_t *) NULL, *new;
    char* tmp;
    char* args[256];
    int i, argc;
    char** name;
    
    switch (mode) {
        
        case _CMD_SET:

            new = (cmds_t *) MALLOC(sizeof(cmds_t));
            new->next = (cmds_t *) NULL;

            if (!cmds) {
                cmds = new;
                cmds->prev = new;
            }
            else {
                cmds->prev->next = new;
                cmds->prev = new;
            }

            tmp = strdup(text);
            argc = TclReadlineParse(args, sizeof(args), tmp);

            new->cmd = (char **) MALLOC(sizeof(char *) * (argc + 1));

            for (i = 0; i < argc; i++)
                new->cmd[i] = args[i];

            new->cmd[argc] = (char *) NULL;

            return (char *) NULL;
            break;


        case _CMD_GET:


            if (!state) {
                new = cmds;
                len = strlen(text);
            }

            while (new && (name = new->cmd)) {
                new = new->next;
                if (!strncmp(name[0], text, len))
                    return strdup(name[0]);
            }

            return (char *) NULL;
            break;

        case _CMD_SUB_GET:
            

            if (!state) {

                int sub;
                char *local_line = strdup(rl_line_buffer);
                
                len = strlen(local_line);
                STRIPRIGHT(local_line);

                if (len != strlen(local_line))
                    sub = TclReadlineParse(args, sizeof(args), local_line);
                else
                    sub = TclReadlineParse(args, sizeof(args), local_line) - 1;

                
                new = cmds;
                len = strlen(text);
                
                while (new && (name = new->cmd)) {
                    if (!strcmp(name[0], args[0]))
                        break;
                    new = new->next;
                }
                
                if (!new)
                    return (char *) NULL;

                for (i = 0; new->cmd[i]; i++) /* EMPTY */;

                if (sub < i && !strncmp(new->cmd[sub], text, len))
                    return strdup(new->cmd[sub]);
                else
                   return (char *) NULL;

            }
            else
                return (char *) NULL;

            /* NOTREACHED */
            break;


        default:
            return (char *) NULL;
            break;

    }

    /* NOTREACHED */
}

int






TclReadlineParse(char** args, int maxargs, char* buf)
{
    int nr = 0;

    while (*buf != '\0' && nr < maxargs) {
        /*
         * Strip whitespace.  Use nulls, so
         * that the previous argument is terminated
443
444
445
446
447
448
449
450
451

        while ((*buf!='\0') && (*buf!=' ') && (*buf!='\t') && (*buf!='\n'))
            buf++;
    }

    *args = '\0';
    return nr;

}







|
<
443
444
445
446
447
448
449
450


        while ((*buf!='\0') && (*buf!=' ') && (*buf!='\t') && (*buf!='\n'))
            buf++;
    }

    *args = '\0';
    return nr;
}