summaryrefslogtreecommitdiffstats
path: root/apps/plugins/pdbox/PDa/src/s_path.c
blob: da4fc9478229665bf6b37f3d454567c4b1fba557 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
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
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
/* Copyright (c) 1999 Guenter Geiger and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */

/*
 * This file implements the loader for linux, which includes
 * a little bit of path handling.
 *
 * Generalized by MSP to provide an open_via_path function
 * and lists of files for all purposes.
 */ 

/* #define DEBUG(x) x */
#define DEBUG(x)
void readsf_banana( void);    /* debugging */

#ifdef ROCKBOX

#include "plugin.h"
#include "pdbox.h"

#include "m_pd.h"
#include "m_imp.h"
#include "s_stuff.h"

#define open rb->open
#define close rb->close
#define strcpy rb->strcpy
#define strcat rb->strcat
#define strlen rb->strlen
#define strcmp rb->strcmp
#define strncpy rb->strncpy
#define strrchr rb->strrchr
#define strncat rb_strncat

#else /* ROCKBOX */
#include <stdlib.h>
#ifdef UNIX
#include <unistd.h>
#include <sys/stat.h>
#endif
#ifdef MSW
#include <io.h>
#endif

#include <string.h>
#include "m_pd.h"
#include "m_imp.h"
#include "s_stuff.h"
#include <stdio.h>
#include <fcntl.h>
#endif /* ROCKBOX */

static t_namelist *pd_path, *pd_helppath;

/* Utility functions */

/* copy until delimiter and return position after delimiter in string */
/* if it was the last substring, return NULL */

static const char* strtokcpy(char *to, const char *from, int delim)
{
    int size = 0;

    while (from[size] != (char)delim && from[size] != '\0')
    	size++;

    strncpy(to,from,size);
    to[size] = '\0';
    if (from[size] == '\0') return NULL;
    if (size) return from+size+1;
    else return NULL;
}

/* add a colon-separated list of names to a namelist */

#ifdef MSW
#define SEPARATOR ';'
#else
#define SEPARATOR ':'
#endif

static t_namelist *namelist_doappend(t_namelist *listwas, const char *s)
{
    t_namelist *nl = listwas, *rtn = listwas, *nl2;
    nl2 = (t_namelist *)(getbytes(sizeof(*nl)));
    nl2->nl_next = 0;
    nl2->nl_string = (char *)getbytes(strlen(s) + 1);
    strcpy(nl2->nl_string, s);
    sys_unbashfilename(nl2->nl_string, nl2->nl_string);
    if (!nl)
        nl = rtn = nl2;
    else
    {
        while (nl->nl_next)
    	    nl = nl->nl_next;
        nl->nl_next = nl2;
    }
    return (rtn);

}

t_namelist *namelist_append(t_namelist *listwas, const char *s)
{
    const char *npos;
    char temp[MAXPDSTRING];
    t_namelist *nl = listwas, *rtn = listwas;
    
#ifdef ROCKBOX
    (void) rtn;
#endif

    npos = s;
    do
    {
	npos = strtokcpy(temp, npos, SEPARATOR);
	if (! *temp) continue;
	nl = namelist_doappend(nl, temp);
    }
	while (npos);
    return (nl);
}

void namelist_free(t_namelist *listwas)
{
    t_namelist *nl, *nl2;
    for (nl = listwas; nl; nl = nl2)
    {
    	nl2 = nl->nl_next;
	t_freebytes(nl->nl_string, strlen(nl->nl_string) + 1);
	t_freebytes(nl, sizeof(*nl));
    }
}

void sys_addpath(const char *p)
{
     pd_path = namelist_append(pd_path, p);
}

void sys_addhelppath(const char *p)
{
     pd_helppath = namelist_append(pd_helppath, p);
}

#ifdef MSW
#define MSWOPENFLAG(bin) (bin ? _O_BINARY : _O_TEXT)
#else
#define MSWOPENFLAG(bin) 0
#endif

/* search for a file in a specified directory, then along the globally
defined search path, using ext as filename extension.  Exception:
if the 'name' starts with a slash or a letter, colon, and slash in MSW,
there is no search and instead we just try to open the file literally.  The
fd is returned, the directory ends up in the "dirresult" which must be at
least "size" bytes.  "nameresult" is set to point to the filename, which
ends up in the same buffer as dirresult. */

int open_via_path(const char *dir, const char *name, const char* ext,
    char *dirresult, char **nameresult, unsigned int size, int bin)
{
    t_namelist *nl, thislist;
    int fd = -1;
    char listbuf[MAXPDSTRING];

#ifdef ROCKBOX
    (void) bin;
#endif

    if (name[0] == '/' 
#ifdef MSW
    	|| (name[1] == ':' && name[2] == '/')
#endif
    	    )
    {
    	thislist.nl_next = 0;
    	thislist.nl_string = listbuf;
    	listbuf[0] = 0;
    }
    else
    {
    	thislist.nl_string = listbuf;
	thislist.nl_next = pd_path;
	strncpy(listbuf, dir, MAXPDSTRING);
	listbuf[MAXPDSTRING-1] = 0;
	sys_unbashfilename(listbuf, listbuf);
    }

    for (nl = &thislist; nl; nl = nl->nl_next)
    {
    	if (strlen(nl->nl_string) + strlen(name) + strlen(ext) + 4 >
	    size)
	    	continue;
	strcpy(dirresult, nl->nl_string);
	if (*dirresult && dirresult[strlen(dirresult)-1] != '/')
	       strcat(dirresult, "/");
	strcat(dirresult, name);
	strcat(dirresult, ext);
	sys_bashfilename(dirresult, dirresult);

	DEBUG(post("looking for %s",dirresult));
	    /* see if we can open the file for reading */
	if ((fd=open(dirresult,O_RDONLY | MSWOPENFLAG(bin))) >= 0)
	{
	    	/* in UNIX, further check that it's not a directory */
#ifdef UNIX
    	    struct stat statbuf;
	    int ok =  ((fstat(fd, &statbuf) >= 0) &&
	    	!S_ISDIR(statbuf.st_mode));
	    if (!ok)
	    {
	    	if (sys_verbose) post("tried %s; stat failed or directory",
		    dirresult);
	    	close (fd);
		fd = -1;
    	    }
	    else
#endif
    	    {
	    	char *slash;
		if (sys_verbose) post("tried %s and succeeded", dirresult);
		sys_unbashfilename(dirresult, dirresult);

		slash = strrchr(dirresult, '/');
		if (slash)
		{
		    *slash = 0;
		    *nameresult = slash + 1;
		}
		else *nameresult = dirresult;
		
	    	return (fd);
	    }
	}
	else
	{
	    if (sys_verbose) post("tried %s and failed", dirresult);
	}
    }
    *dirresult = 0;
    *nameresult = dirresult;
    return (-1);
}

static int do_open_via_helppath(const char *realname, t_namelist *listp)
{
    t_namelist *nl;
    int fd = -1;
    char dirresult[MAXPDSTRING], realdir[MAXPDSTRING];
    for (nl = listp; nl; nl = nl->nl_next)
    {
	strcpy(dirresult, nl->nl_string);
	strcpy(realdir, dirresult);
	if (*dirresult && dirresult[strlen(dirresult)-1] != '/')
	       strcat(dirresult, "/");
	strcat(dirresult, realname);
	sys_bashfilename(dirresult, dirresult);

	DEBUG(post("looking for %s",dirresult));
	    /* see if we can open the file for reading */
	if ((fd=open(dirresult,O_RDONLY | MSWOPENFLAG(0))) >= 0)
	{
	    	/* in UNIX, further check that it's not a directory */
#ifdef UNIX
    	    struct stat statbuf;
	    int ok =  ((fstat(fd, &statbuf) >= 0) &&
	    	!S_ISDIR(statbuf.st_mode));
	    if (!ok)
	    {
	    	if (sys_verbose) post("tried %s; stat failed or directory",
		    dirresult);
	    	close (fd);
		fd = -1;
    	    }
	    else
#endif
    	    {
#ifndef ROCKBOX
	    	char *slash;
#endif
		if (sys_verbose) post("tried %s and succeeded", dirresult);
		sys_unbashfilename(dirresult, dirresult);
		close (fd);
		glob_evalfile(0, gensym((char*)realname), gensym(realdir));
		return (1);
	    }
	}
	else
	{
	    if (sys_verbose) post("tried %s and failed", dirresult);
	}
    }
    return (0);
}

    /* LATER make this use open_via_path above.  We expect the ".pd"
    suffix here, even though we have to tear it back off for one of the
    search attempts. */
void open_via_helppath(const char *name, const char *dir)
{
#ifdef ROCKBOX
    t_namelist thislist, *listp;
#else /*ROCKBOX */
    t_namelist *nl, thislist, *listp;
    int fd = -1;
#endif /* ROCKBOX */
    char dirbuf2[MAXPDSTRING], realname[MAXPDSTRING];

    	/* if directory is supplied, put it at head of search list. */
    if (*dir)
    {
        thislist.nl_string = dirbuf2;
	thislist.nl_next = pd_helppath;
	strncpy(dirbuf2, dir, MAXPDSTRING);
	dirbuf2[MAXPDSTRING-1] = 0;
	sys_unbashfilename(dirbuf2, dirbuf2);
	listp = &thislist;
    }
    else listp = pd_helppath;
    	/* 1. "objectname-help.pd" */
    strncpy(realname, name, MAXPDSTRING-10);
    realname[MAXPDSTRING-10] = 0;
    if (strlen(realname) > 3 && !strcmp(realname+strlen(realname)-3, ".pd"))
    	realname[strlen(realname)-3] = 0;
    strcat(realname, "-help.pd");
    if (do_open_via_helppath(realname, listp))
    	return;
    	/* 2. "help-objectname.pd" */
    strcpy(realname, "help-");
    strncat(realname, name, MAXPDSTRING-10);
    realname[MAXPDSTRING-1] = 0;
    if (do_open_via_helppath(realname, listp))
    	return;
    	/* 3. "objectname.pd" */
    if (do_open_via_helppath(name, listp))
    	return;
    post("sorry, couldn't find help patch for \"%s\"", name);
    return;
}


/* Startup file reading for linux and MACOSX.  This should be replaced by
a better mechanism.  This should be integrated with the audio, MIDI, and
path dialog system. */

#ifdef UNIX

#define STARTUPNAME ".pdrc"
#define NUMARGS 1000

int sys_argparse(int argc, char **argv);

int sys_rcfile(void)
{
    FILE* file;
    int i;
    int k;
    int rcargc;
    char* rcargv[NUMARGS];
    char* buffer;
    char  fname[MAXPDSTRING], buf[1000], *home = getenv("HOME");

    /* parse a startup file */
    
    *fname = '\0'; 

    strncat(fname, home? home : ".", MAXPDSTRING-10);
    strcat(fname, "/");

    strcat(fname, STARTUPNAME);

    if (!(file = fopen(fname, "r")))
    	return 1;

    post("reading startup file: %s", fname);

    rcargv[0] = ".";	/* this no longer matters to sys_argparse() */

    for (i = 1; i < NUMARGS-1; i++)
    {
    	if (fscanf(file, "%999s", buf) < 0)
	    break;
	buf[1000] = 0;
	if (!(rcargv[i] = malloc(strlen(buf) + 1)))
	    return (1);
	strcpy(rcargv[i], buf);
    }
    if (i >= NUMARGS-1)
    	fprintf(stderr, "startup file too long; extra args dropped\n");
    rcargv[i] = 0;

    rcargc = i;

    /* parse the options */

    fclose(file);
    if (sys_verbose)
    {
    	if (rcargv)
	{
    	    post("startup args from RC file:");
	    for (i = 1; i < rcargc; i++)
	    	post("%s", rcargv[i]);
    	}
	else post("no RC file arguments found");
    }
    if (sys_argparse(rcargc, rcargv))
    {
    	post("error parsing RC arguments");
	return (1);
    }
    return (0);
}
#endif /* UNIX */

    /* start an audio settings dialog window */
void glob_start_path_dialog(t_pd *dummy, t_floatarg flongform)
{
#ifdef ROCKBOX
    (void) dummy;
    (void) flongform;
#else /* ROCKBOX */
    char buf[MAXPDSTRING];
    int i;
    t_namelist *nl;
    
    for (nl = pd_path, i = 0; nl && i < 10; nl = nl->nl_next, i++)
	sys_vgui("pd_set pd_path%d \"%s\"\n", i, nl->nl_string);
    for (; i < 10; i++)
	sys_vgui("pd_set pd_path%d \"\"\n", i);

    sprintf(buf, "pdtk_path_dialog %%s\n");
    gfxstub_new(&glob_pdobject, glob_start_path_dialog, buf);
#endif /* ROCKBOX */
}

    /* new values from dialog window */
void glob_path_dialog(t_pd *dummy, t_symbol *s, int argc, t_atom *argv)
{
    int i;

#ifdef ROCKBOX
    (void) dummy;
    (void) s;
#endif /* ROCKBOX */

    namelist_free(pd_path);
    pd_path = 0;
    for (i = 0; i < argc; i++)
    {
    	t_symbol *s = atom_getsymbolarg(i, argc, argv);
	if (*s->s_name)
    	    sys_addpath(s->s_name);
    }
}