prntfile.cpp 8.96 KB
Newer Older
1
2
3
4
5
6
/* Synchronet file print/display routines */

/****************************************************************************
 * @format.tab-size 4		(Plain Text/Source Code File Header)			*
 * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
 *																			*
7
 * Copyright Rob Swindell - http://www.synchro.net/copyright.html			*
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 *																			*
 * 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 2			*
 * of the License, or (at your option) any later version.					*
 * See the GNU General Public License for more details: gpl.txt or			*
 * http://www.fsf.org/copyleft/gpl.html										*
 *																			*
 * For Synchronet coding style and modification guidelines, see				*
 * http://www.synchro.net/source.html										*
 *																			*
 * Note: If this box doesn't appear square, then you need to fix your tabs.	*
 ****************************************************************************/

#include "sbbs.h"
23
#include "utf8.h"
24
#include "petdefs.h"
25

26
#ifndef PRINTFILE_MAX_LINE_LEN
27
#define PRINTFILE_MAX_LINE_LEN (8*1024)
28
#endif
29
#ifndef PRINTFILE_MAX_FILE_LEN
30
#define PRINTFILE_MAX_FILE_LEN (2*1024*1024)
31
#endif
32

33
34
35
36
37
/****************************************************************************/
/* Prints a file remotely and locally, interpreting ^A sequences, checks    */
/* for pauses, aborts and ANSI. 'str' is the path of the file to print      */
/* Called from functions menu and text_sec                                  */
/****************************************************************************/
38
bool sbbs_t::printfile(const char* fname, long mode, long org_cols, JSObject* obj)
39
{
40
	char* buf;
41
	char fpath[MAX_PATH+1];
42
	char* p;
rswindell's avatar
rswindell committed
43
	int file;
44
	BOOL rip=FALSE;
rswindell's avatar
rswindell committed
45
	long l,length,savcon=console;
46
47
	FILE *stream;

48
	SAFECOPY(fpath, fname);
49
	(void)fexistcase(fpath);
50
	p=getfext(fpath);
51
	if(p!=NULL) {
52
		if(stricmp(p,".rip")==0) {
rswindell's avatar
rswindell committed
53
			rip=TRUE;
rswindell's avatar
rswindell committed
54
			mode|=P_NOPAUSE;
55
56
		} else if(stricmp(p, ".seq") == 0) {
			mode |= P_PETSCII;
57
58
		} else if(stricmp(p, ".utf8") == 0) {
			mode |= P_UTF8;
rswindell's avatar
rswindell committed
59
		}
60
	}
61

62
	if(mode&P_NOABORT || rip) {
63
64
		if(online==ON_REMOTE && console&CON_R_ECHO) {
			rioctl(IOCM|ABORT);
rswindell's avatar
rswindell committed
65
66
67
68
			rioctl(IOCS|ABORT); 
		}
		sys_status&=~SS_ABORT; 
	}
69

70
	if((stream=fnopen(&file,fpath,O_RDONLY|O_DENYNONE))==NULL) {
71
72
		if(!(mode&P_NOERROR)) {
			lprintf(LOG_NOTICE,"!Error %d (%s) opening: %s"
73
				,errno,strerror(errno),fpath);
74
			bputs(text[FileNotFound]);
75
			if(SYSOP) bputs(fpath);
76
77
78
			CRLF;
		}
		return false; 
rswindell's avatar
rswindell committed
79
	}
80

81
	length=(long)filelength(file);
82
	if(length < 1) {
rswindell's avatar
rswindell committed
83
		fclose(stream);
84
85
86
87
88
		if(length < 0) {
			errormsg(WHERE,ERR_CHK,fpath,length);
			return false;
		}
		return true;
rswindell's avatar
rswindell committed
89
	}
90

91
92
93
94
	if(!(mode&P_NOCRLF) && row > 0 && !rip) {
		newline();
	}

95
	if((mode&P_OPENCLOSE) && length <= PRINTFILE_MAX_FILE_LEN) {
96
97
98
99
100
101
102
103
104
105
106
107
108
		if((buf=(char*)malloc(length+1L))==NULL) {
			fclose(stream);
			errormsg(WHERE,ERR_ALLOC,fpath,length+1L);
			return false; 
		}
		l=lread(file,buf,length);
		fclose(stream);
		if(l!=length)
			errormsg(WHERE,ERR_READ,fpath,length);
		else {
			buf[l]=0;
			if((mode&P_UTF8) && !term_supports(UTF8))
				utf8_normalize_str(buf);
109
			putmsg(buf,mode,org_cols, obj);
110
111
112
		}
		free(buf);
	} else {	// Line-at-a-time mode
113
114
		ulong sys_status_sav = sys_status;
		enum output_rate output_rate = cur_output_rate;
115
		uint tmpatr = curatr;
116
117
		ulong orgcon = console;
		attr_sp = 0;	/* clear any saved attributes */
118
119
		if(!(mode&P_SAVEATR))
			attr(LIGHTGRAY);
120
121
		if(mode&P_NOPAUSE)
			sys_status |= SS_PAUSEOFF;
122
123
124
125
126
127
128
129
		if(length > PRINTFILE_MAX_LINE_LEN)
			length = PRINTFILE_MAX_LINE_LEN;
		if((buf=(char*)malloc(length+1L))==NULL) {
			fclose(stream);
			errormsg(WHERE,ERR_ALLOC,fpath,length+1L);
			return false; 
		}
		while(!feof(stream) && !msgabort()) {
130
			if(fgets(buf, length + 1, stream) == NULL)
131
132
133
				break;
			if((mode&P_UTF8) && !term_supports(UTF8))
				utf8_normalize_str(buf);
134
			if(putmsgfrag(buf, &mode, org_cols, obj) != '\0') // early-EOF?
135
				break;
136
137
		}
		free(buf);
rswindell's avatar
rswindell committed
138
		fclose(stream);
139
140
		if(!(mode&P_SAVEATR)) {
			console = orgcon;
141
			attr(tmpatr);
142
143
144
145
146
147
148
149
150
151
		}
		if(!(mode&P_NOATCODES) && cur_output_rate != output_rate)
			set_output_rate(output_rate);
		if(mode&P_PETSCII)
			outcom(PETSCII_UPPERLOWER);
		attr_sp=0;	/* clear any saved attributes */

		/* Restore original settings of Forced Pause On/Off */
		sys_status &= ~(SS_PAUSEOFF|SS_PAUSEON);
		sys_status |= (sys_status_sav&(SS_PAUSEOFF|SS_PAUSEON));
rswindell's avatar
rswindell committed
152
	}
153

154
	if((mode&P_NOABORT || rip) && online==ON_REMOTE) {
155
		SYNC;
rswindell's avatar
rswindell committed
156
157
		rioctl(IOSM|ABORT); 
	}
158
159
160
	if(rip)
		ansi_getlines();
	console=savcon;
161
	return true;
rswindell's avatar
rswindell committed
162
}
163

164
bool sbbs_t::printtail(const char* fname, int lines, long mode, long org_cols, JSObject* obj)
165
{
rswindell's avatar
rswindell committed
166
	char*	buf;
167
	char	fpath[MAX_PATH+1];
rswindell's avatar
rswindell committed
168
	char*	p;
169
	FILE*	fp;
rswindell's avatar
rswindell committed
170
171
	int		file,cur=0;
	long	length,l;
172

173
	SAFECOPY(fpath, fname);
174
	(void)fexistcase(fpath);
175
176
177
	if(mode&P_NOABORT) {
		if(online==ON_REMOTE) {
			rioctl(IOCM|ABORT);
rswindell's avatar
rswindell committed
178
179
180
181
			rioctl(IOCS|ABORT); 
		}
		sys_status&=~SS_ABORT; 
	}
182
	if((fp=fnopen(&file,fpath,O_RDONLY|O_DENYNONE))==NULL) {
183
184
		if(!(mode&P_NOERROR)) {
			lprintf(LOG_NOTICE,"!Error %d (%s) opening: %s"
185
				,errno,strerror(errno),fpath);
186
			bputs(text[FileNotFound]);
187
			if(SYSOP) bputs(fpath);
188
189
190
			CRLF;
		}
		return false; 
rswindell's avatar
rswindell committed
191
	}
192
193
194
	if(!(mode&P_NOCRLF) && row > 0) {
		newline();
	}
195
	length=(long)filelength(file);
rswindell's avatar
rswindell committed
196
	if(length<0) {
197
		fclose(fp);
198
		errormsg(WHERE,ERR_CHK,fpath,length);
199
		return false;
rswindell's avatar
rswindell committed
200
	}
201
202
	if(length > lines * PRINTFILE_MAX_LINE_LEN) {
		length = lines * PRINTFILE_MAX_LINE_LEN; 
Rob Swindell's avatar
Rob Swindell committed
203
		(void)fseek(fp, -length, SEEK_END);
204
	}
deuce's avatar
deuce committed
205
	if((buf=(char*)malloc(length+1L))==NULL) {
206
		fclose(fp);
207
		errormsg(WHERE,ERR_ALLOC,fpath,length+1L);
208
		return false; 
rswindell's avatar
rswindell committed
209
	}
210
211
	l=fread(buf, sizeof(char), length, fp);
	fclose(fp);
rswindell's avatar
rswindell committed
212
	if(l!=length)
213
		errormsg(WHERE,ERR_READ,fpath,length);
rswindell's avatar
rswindell committed
214
215
216
217
218
219
220
221
222
223
224
225
	else {
		buf[l]=0;
		p=(buf+l)-1;
		if(*p==LF) p--;
		while(*p && p>buf) {
			if(*p==LF)
				cur++;
			if(cur>=lines) {
				p++;
				break; 
			}
			p--; 
rswindell's avatar
rswindell committed
226
		}
227
		putmsg(p,mode,org_cols, obj);
rswindell's avatar
rswindell committed
228
	}
229
230
	if(mode&P_NOABORT && online==ON_REMOTE) {
		SYNC;
rswindell's avatar
rswindell committed
231
232
		rioctl(IOSM|ABORT); 
	}
deuce's avatar
deuce committed
233
	free(buf);
234
	return true;
235
236
237
}

/****************************************************************************/
238
/* Displays a menu file (e.g. from the text/menu directory)                 */
239
240
/* Pass a code including wildcards (* or ?) to display a randomly-chosen	*/
/* file matching the pattern in 'code'										*/
241
/****************************************************************************/
242
bool sbbs_t::menu(const char *code, long mode, JSObject* obj)
243
{
244
245
246
    char path[MAX_PATH+1];
	const char *next= "msg";
	const char *last = "asc";
247

248
249
250
	if(strcspn(code, "*?") != strlen(code))
		return random_menu(code, mode, obj);

251
252
	sys_status&=~SS_ABORT;
	if(menu_file[0])
253
		SAFECOPY(path,menu_file);
254
	else {
rswindell's avatar
rswindell committed
255
		long term = term_supports();
256
257
258
259
260
261
262
263
264
265
266
267
		do {
			if((term&RIP) && menu_exists(code, "rip", path))
				break;
			if((term&(ANSI|COLOR)) == ANSI && menu_exists(code, "mon", path))
				break;
			if((term&ANSI) && menu_exists(code, "ans", path))
				break;
			if((term&PETSCII) && menu_exists(code, "seq", path))
				break;
			if(term&NO_EXASCII) {
				next = "asc";
				last = "msg";
rswindell's avatar
rswindell committed
268
			}
269
270
			if(menu_exists(code, next, path))
				break;
271
272
			if(!menu_exists(code, last, path))
				return false;
273
		} while(0);
274
	}
275

276
	mode |= P_OPENCLOSE | P_CPM_EOF;
277
278
	if(column == 0)
		mode |= P_NOCRLF;
279
	return printfile(path, mode, /* org_cols: */0, obj);
280
281
}

282
bool sbbs_t::menu_exists(const char *code, const char* ext, char* path)
283
{
284
285
286
	char pathbuf[MAX_PATH+1];
	if(path == NULL)
		path = pathbuf;
287

288
289
290
291
292
293
294
295
296
	if(menu_file[0]) {
		strncpy(path, menu_file, MAX_PATH);
		return fexistcase(path) ? true : false;
	}

	/* Either <menu>.asc or <menu>.msg is required */
	if(ext == NULL)
		return menu_exists(code, "asc", path)
			|| menu_exists(code, "msg", path);
297

298
299
300
301
302
303
	char prefix[MAX_PATH];
	if(isfullpath(code))
		SAFECOPY(prefix, code);
	else {
		backslash(menu_dir);
		SAFEPRINTF3(prefix, "%smenu/%s%s", cfg.text_dir, menu_dir, code);
304
305
		FULLPATH(path, prefix, MAX_PATH);
		SAFECOPY(prefix, path);
306
	}
307
	safe_snprintf(path, MAX_PATH, "%s.%lucol.%s", prefix, cols, ext);
rswindell's avatar
rswindell committed
308
309
	if(fexistcase(path))
		return true;
310
	safe_snprintf(path, MAX_PATH, "%s.%s", prefix, ext);
deuce's avatar
deuce committed
311
312
	return fexistcase(path) ? true : false;
}
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

/****************************************************************************/
/* Displays a random menu file (e.g. from the text/menu directory)          */
/****************************************************************************/
bool sbbs_t::random_menu(const char *name, long mode, JSObject* obj)
{
	char path[MAX_PATH + 1];
	glob_t g = {0};
	str_list_t names = NULL;

	SAFEPRINTF2(path, "%smenu/%s", cfg.text_dir, name);
	if(glob(path, GLOB_NOESCAPE|GLOB_MARK, NULL, &g) != 0) {
		return false;
	}
	for(size_t i = 0; i < g.gl_pathc; i++) {
		char* ext = getfext(g.gl_pathv[i]);
		if(ext == NULL)
			continue;
		*ext = 0;
		strListPush(&names, g.gl_pathv[i]);
	}
	globfree(&g);
	strListDedupe(&names, /* case_sensitive: */true);
	bool result = false;
	size_t i = sbbs_random(strListCount(names));
	if(menu_exists(names[i], NULL, path)) {
		result = menu(names[i], mode, obj);
	}
	strListFree(&names);
	return result;
}