1 /*
2 * pager.c -- pager control
3 *
4 * Copyright (C) 1992,1997,1999,2000,2003 by Yoshifumi Mori
5 *
6 * tab:4
7 */
8
9 #include "cdefs.h"
10 #include "extern.h"
11
12 #define MAXFOLDLEN 256 /* �ޤ��֤���� */
13 #define MAXFOLDBUF (MAXFOLDLEN + 8) /* �ޤ��֤��Хåե� */
14
15 char *pager_cmd;
16 char *pager_outputfile;
17 char *pager_filelog_path;
18 int pager_action = TRUE;
19 int pager_filekeep = FALSE;
20 int pager_pause = FALSE;
21 int pager_lastpause = FALSE;
22
23 #if defined(_T_WINDOWS)
24 char **textBuf;
25 int textLines;
26
27 static int textLineAlloc;
28 #endif
29
30 #if defined(_T_HUMAN68K) || defined(_T_MSDOS) || defined(_T_UNIX) || defined(_T_WIN32CONSOLE)
31 static int line_count;
32 #endif
33 static char pager_file[_T_MAXPATHNAME];
34 static FILE *pager_fp = NULL;
35 static int pager_out_flag;
36
37 #if defined(_T_WINDOWS)
38 /*
39 * �ƥ����ȥХåե��β���
40 */
pager_text_free(void)41 void pager_text_free(void)
42 {
43 int i;
44
45 if (textBuf != NULL) {
46 for (i = 0; i < textLines; i++) {
47 if (textBuf[i] != NULL) {
48 free(textBuf[i]);
49 }
50 }
51 free(textBuf);
52 textBuf = NULL;
53 }
54 textLines = 0;
55 textLineAlloc = 0;
56 }
57 #endif /* _T_WINDOWS */
58
59 /*
60 * TODAY ���ϥե�����κ���
61 */
pager_init(void)62 void pager_init(void)
63 {
64 #if defined(_T_HUMAN68K) || defined(_T_MSDOS) || defined(_T_UNIX) || defined(_T_WIN32CONSOLE)
65 char *tmppath;
66 #if defined(_T_WIN32CONSOLE)
67 char szTempPath[MAX_PATH+1];
68 int rtc;
69 #endif /* _T_WIN32CONSOLE */
70 char *new_path;
71
72 line_count = screen_max_rows;
73 pager_out_flag = FALSE;
74
75 if (pager_action == FALSE) { /* �ڡ����㡼��ư��? */
76 if (pager_cmd != NULL) {
77 free(pager_cmd);
78 pager_cmd = NULL;
79 }
80 pager_pause = FALSE;
81 pager_lastpause = FALSE;
82 }
83
84 if (pager_filekeep == FALSE) {
85 if (pager_cmd == NULL) {
86 return;
87 } else {
88 if (pager_outputfile != NULL) {
89 free(pager_outputfile);
90 }
91 pager_outputfile = xstrdup(_T_OUTFILE_TMPNAME);
92 }
93 } else {
94 if (pager_outputfile == NULL) {
95 pager_outputfile = xstrdup(_T_OUTFILE_DEFAULT);
96 }
97 }
98
99 memset(pager_file, '\0', sizeof(pager_file));
100 if (pager_filelog_path != NULL) {
101 strncpy(pager_file, pager_filelog_path, sizeof(pager_file) - 1);
102 #if defined(_T_UNIX)
103 (void)replace_accesspath(pager_file, sizeof(pager_file));
104 #endif
105 } else {
106 tmppath = getenv(_T_TMPENV);
107 if (tmppath == NULL) {
108 #if defined(_T_TMPENV2)
109 tmppath = getenv(_T_TMPENV2);
110 if (tmppath == NULL) {
111 #endif
112 #if defined(_T_WIN32CONSOLE)
113 rtc = GetTempPath(sizeof(szTempPath), szTempPath);
114 if (rtc == 0 || rtc > sizeof(szTempPath)) {
115 tmppath = _T_TMPDIR; /* use temporary directory */
116 } else {
117 tmppath = szTempPath;
118 }
119 #else /* _T_HUMAN68K || _T_MSDOS || _T_UNIX */
120 tmppath = _T_TMPDIR; /* use temporary directory */
121 #endif /* _T_HUMAN68K || _T_MSDOS || _T_UNIX */
122 #if defined(_T_TMPENV2)
123 }
124 #endif
125 }
126 strncpy(pager_file, tmppath, sizeof(pager_file) - 1);
127 }
128 new_path = make_accesspath(pager_file);
129 strncat(new_path, make_filename(pager_outputfile), (sizeof(pager_file) - 1) - strlen(new_path));
130
131 pager_fp = fopen(pager_file, "w");
132 if (pager_fp == NULL) {
133 errprint(NULL, ERR_ERROR, "can not open pager file %s", pager_file);
134 if (pager_cmd != NULL) {
135 errprint(NULL, ERR_INFO, "�ե����뤬�����Ǥ��ʤ��Τǡ���¢�ڡ����㡼����Ѥ��ޤ�");
136 free(pager_cmd);
137 pager_cmd = NULL;
138 }
139 if (pager_filekeep == TRUE) {
140 errprint(NULL, ERR_INFO, "�ե����뤬�����Ǥ��ʤ��Τǡ���Ͽ�ե�����Ϻ������ޤ���");
141 }
142 }
143 #endif /* _T_HUMAN68K || _T_MSDOS || _T_UNIX || _T_WIN32CONSOLE */
144 #if defined(_T_WINDOWS)
145 char *tmppath;
146 char szTempPath[MAX_PATH+1];
147 int rtc;
148 char *new_path;
149
150 pager_text_free();
151 pager_out_flag = FALSE;
152
153 if (pager_filekeep == FALSE) {
154 return ;
155 }
156
157 memset(pager_file, '\0', sizeof(pager_file));
158 if (pager_filelog_path != NULL) {
159 strncpy(pager_file, pager_filelog_path, sizeof(pager_file) - 1);
160 } else {
161 tmppath = getenv(_T_TMPENV);
162 if (tmppath == NULL) {
163 tmppath = getenv(_T_TMPENV2);
164 if (tmppath == NULL) {
165 rtc = GetTempPath(sizeof(szTempPath), szTempPath);
166 if (rtc == 0 || rtc > sizeof(szTempPath)) {
167 tmppath = _T_TMPDIR; /* use temporary directory */
168 } else {
169 tmppath = szTempPath;
170 }
171 }
172 }
173 strncpy(pager_file, tmppath, sizeof(pager_file) - 1);
174 }
175 if (pager_outputfile == NULL) {
176 pager_outputfile = xstrdup(_T_OUTFILE_DEFAULT);
177 }
178 new_path = make_accesspath(pager_file);
179 strncat(new_path, make_filename(pager_outputfile), (sizeof(pager_file) - 1) - strlen(new_path));
180
181 pager_fp = fopen(pager_file, "w");
182 if (pager_fp == NULL) {
183 errprint(NULL, ERR_ERROR, "can not open pager file %s", pager_file);
184 if (pager_filekeep == TRUE) {
185 errprint(NULL, ERR_INFO, "�ե����뤬�����Ǥ��ʤ��Τǡ���Ͽ�ե�����Ϻ������ޤ���");
186 }
187 }
188 #endif /* _T_WINDOWS */
189 }
190
191 #if defined(_T_HUMAN68K) || defined(_T_MSDOS) || defined(_T_UNIX) || defined(_T_WIN32CONSOLE)
192 /*
193 * ������
194 *
195 * BUG: unix ��̤���ݡ���
196 * curses ��Ĥ��äƼ���������ɤ��Τ����ɡ��ޥ����ʤ����餷�ʤ�
197 * ����ˡ�unix �δĶ��ʤ鳰���ڡ�����������ɤ��Ȼפ�
198 */
199 static
pager_internal_pause(void)200 void pager_internal_pause(void)
201 {
202 #if defined(_T_HUMAN68K) || defined(_T_MSDOS) || defined(_T_WIN32CONSOLE)
203 #if defined(_T_WIN32CONSOLE)
204 #define PRINTF printf
205 #else
206 #define PRINTF cprintf
207 #endif
208
209 PRINTF("\033[7m--- more ---\033[0m");
210 while (kbhit() != 0)
211 getch();
212 getch();
213 PRINTF("\033[12D\033[K");
214 #endif /* _T_HUMAN68K || _T_MSDOS || _T_WIN32CONSOLE */
215 }
216 #endif /* _T_HUMAN68K || _T_MSDOS || _T_UNIX || _T_WIN32CONSOLE */
217
218 /*
219 * �����ڡ����㡼�ε�ư
220 * ���ϥե�����κ��
221 *
222 * ���ϥե������CLOSE(win)
223 */
pager_term(void)224 void pager_term(void)
225 {
226 if (pager_fp != NULL) {
227 fclose(pager_fp);
228 pager_fp = NULL;
229 }
230
231 #if defined(_T_HUMAN68K) || defined(_T_MSDOS) || defined(_T_UNIX) || defined(_T_WIN32CONSOLE)
232 if (pager_cmd == NULL) {
233 if (pager_lastpause == TRUE) {
234 pager_internal_pause();
235 }
236 } else {
237 #if defined(_T_WIN32CONSOLE)
238 STARTUPINFO si;
239 PROCESS_INFORMATION pi;
240 char cmdbuf[_T_MAXPATHNAME + 128];
241 const char *cmdfmt;
242
243 ZeroMemory(&si, sizeof(si));
244 ZeroMemory(&pi, sizeof(pi));
245 si.cb = sizeof(si);
246 si.dwFlags = STARTF_USESHOWWINDOW;
247 si.wShowWindow = SW_SHOWNORMAL;
248 #if 1
249 cmdfmt = "%s \"%s\"";
250 #else
251 if (*pager_cmd == '"') {
252 cmdfmt = "%s \"%s\"";
253 } else {
254 cmdfmt = "%s %s";
255 }
256 #endif
257 sprintf(cmdbuf, cmdfmt, pager_cmd, pager_file);
258 if (CreateProcess(NULL, cmdbuf, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi) == FALSE) {
259 errprint("pager", ERR_ERROR, "%s �����Ĥ���ޤ���", pager_cmd);
260 } else {
261 CloseHandle(pi.hThread);
262 WaitForSingleObject(pi.hProcess, INFINITE);
263 CloseHandle(pi.hProcess);
264 }
265 #else /* _T_HUMAN68K || _T_MSDOS || _T_UNIX */
266 char *cmdbuf;
267
268 cmdbuf = xmalloc(strlen(pager_cmd) + 1 + strlen(pager_file) + 1);
269 sprintf(cmdbuf, "%s %s", pager_cmd, pager_file);
270 system(cmdbuf);
271 free(cmdbuf);
272 #endif
273 }
274 if (pager_filekeep == FALSE) {
275 REMOVE(pager_file);
276 }
277 #endif /* _T_HUMAN68K || _T_MSDOS || _T_UNIX || _T_WIN32CONSOLE */
278 }
279
280 /*
281 * �ץ�������ǽ���
282 *
283 * �����ץ���Υե����������
284 * delete_flag == TRUE �ΤȤ��ϥե������������
285 */
pager_clean(int delete_flag)286 void pager_clean(int delete_flag)
287 {
288 if (pager_fp != NULL) {
289 fclose(pager_fp);
290 pager_fp = NULL;
291 switch (delete_flag) {
292 case TRUE:
293 REMOVE(pager_file);
294 errprint("pager", ERR_INFO, "������ե�����(%s)�������ޤ���", pager_file);
295 break;
296 case FALSE:
297 errprint("pager", ERR_INFO, "������ե�����(%s)������ޤ��ΤǺ�����Ʋ�����", pager_file);
298 break;
299 }
300 }
301 }
302
303 /*
304 * ��å������Υե�����ؤν��Ф�
305 * �ƥ����ȥХåե��ؤγ�Ǽ
306 */
pager_output(const char * msg,...)307 void pager_output(const char *msg, ...)
308 {
309 static char linebuffer[MAXFOLDBUF];
310 va_list ap;
311
312 va_start(ap, msg);
313 vsprintf(linebuffer, msg, ap);
314 va_end(ap);
315
316 if (pager_fp != NULL) {
317 fputs(linebuffer, pager_fp);
318 if (fputc('\n', pager_fp) == EOF) {
319 errprint("pager_output", ERR_ERROR, "�ե�����(%s)�˽��ϤǤ��ޤ��� errno = %d", pager_file, errno);
320 #if defined(_T_HUMAN68K) || defined(_T_MSDOS) || defined(_T_UNIX) || defined(_T_WIN32CONSOLE)
321 terminate_program(TERM_FILEERROR);
322 #else /* _T_WINDOWS */
323 fclose(pager_fp);
324 pager_fp = NULL;
325 #endif
326 }
327 }
328
329 pager_out_flag = TRUE;
330
331 #if defined(_T_HUMAN68K) || defined(_T_MSDOS) || defined(_T_UNIX) || defined(_T_WIN32CONSOLE)
332 if (pager_cmd != NULL) {
333 return ;
334 }
335 if (pager_pause == TRUE) {
336 int maxline;
337
338 maxline = strlen(linebuffer) / screen_max_columns + 1;
339 line_count -= maxline;
340 if (line_count <= 0) {
341 line_count = screen_max_rows;
342 pager_internal_pause();
343 line_count -= maxline;
344 }
345 }
346 puts(linebuffer);
347 #endif /* _T_HUMAN68K || _T_MSDOS || _T_UNIX || _T_WIN32CONSOLE */
348 #if defined(_T_WINDOWS)
349 #define TEXTBUFALLOC 16
350 {
351 if (textLines >= textLineAlloc) {
352 textLineAlloc += TEXTBUFALLOC;
353 textBuf = realloc(textBuf, sizeof(char **) * textLineAlloc);
354 if (textBuf == NULL) {
355 textLines = 0;
356 textLineAlloc = 0;
357 memerr("pager_output");
358 }
359 }
360 textBuf[textLines++] = xstrdup(linebuffer);
361 }
362 #endif /* _T_WINDOWS */
363 }
364
365 /*
366 * 1�Ԥζ���������
367 */
pager_output_skip(void)368 void pager_output_skip(void)
369 {
370 if (pager_out_flag != FALSE) {
371 pager_output("");
372 pager_out_flag = FALSE;
373 }
374 }
375
376 /*
377 * ��å���������ꤵ�줿��(width)���ޤ��֤���ɽ������
378 * �ޤ��֤��Ȥ��˶�§������Ԥ�
379 * ���Τ��ᡢ������(width)�Ϻ���ɽ�������� 3 �ʾ塢�������ʤ���Фʤ�ʤ�
380 * �ޤ����ǽ�ιԤ�ɽ���������� start1 �Ĥζ����ɽ������
381 * �����ޤ��֤�����ϡ�start2 �Ĥζ���θ�˥�å�������ɽ������
382 *
383 * BUG: \t, \033 �Ϥ��ޤ�ư��ʤ�����������Ѥ��������
384 */
message_fold(const unsigned char * msg,int width,int start1,int start2)385 void message_fold(const unsigned char *msg, int width, int start1, int start2)
386 {
387 static unsigned char tempbuf[MAXFOLDBUF];
388 unsigned char *bp;
389 int col, ncol;
390 int newline_flag;
391 int once_flag;
392
393 if (width >= (MAXFOLDLEN - 3)) {
394 errprint("message_fold", ERR_WARN, "width(%d) >= MAXFOLDLEN(%d)", width, MAXFOLDLEN - 3);
395 width = MAXFOLDLEN - 3;
396 }
397
398 col = 0;
399 for (bp = tempbuf; start1--; *bp++ = ' ', col++);
400 *bp = '0';
401 ncol = col;
402 newline_flag = FALSE;
403 once_flag = FALSE;
404
405 for (;;) {
406 unsigned int c;
407 int cbyte, cwidth;
408
409 c = getcharcode(msg, &cbyte, &cwidth);
410 if (cbyte == 0 || c == '\0') {
411 *bp = '\0';
412 break;
413 }
414 msg += cbyte;
415 switch (c) {
416 case '\n':
417 case '\r':
418 newline_flag = TRUE;
419 break;
420 case '\t':
421 ncol = (col + 8) & ~7;
422 break;
423 default:
424 {
425 const unsigned char *brp, *oip;
426 unsigned char *hp;
427
428 brp = (const unsigned char *)"�����������ä������������å������������������������������������������������ǡɡˡ͡ϡۡѡӡաס٥����������å��硢��,.:;?!)]}��";
429
430 oip = (const unsigned char *)"�ơȡʡ̡ΡڡСҡԡ֡ء���������([{��";
431
432 hp = jstrchr(brp, c);
433 if (hp != NULL && (col + cwidth) > width && once_flag == FALSE) {
434 col -= cwidth;
435 once_flag = TRUE;
436 } else if (hp == NULL) {
437 hp = jstrchr(oip, c);
438 if (hp != NULL && col >= (width - cwidth)) {
439 newline_flag = TRUE;
440 }
441 }
442 }
443
444 ncol = col + cwidth;
445 }
446
447 if (ncol > width || newline_flag == TRUE) {
448 int spccnt;
449
450 *bp = '\0';
451 pager_output((char *)tempbuf);
452 col = 0;
453 for (bp = tempbuf, spccnt = start2; spccnt--; *bp++ = ' ', col++);
454 *bp = '\0';
455 newline_flag = FALSE;
456 once_flag = FALSE;
457 }
458
459 switch (c) {
460 case '\n':
461 case '\r':
462 break;
463 case '\t':
464 col = (col + 8) & ~7;
465 goto set_charcode;
466 default:
467 col += cwidth;
468 set_charcode:
469 bp = putcharcode(bp, c, cbyte);
470 break;
471 }
472 }
473
474 if (tempbuf[0] != '\0') {
475 pager_output((char *)tempbuf);
476 }
477 }
478