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Comparing rxvt-unicode/src/misc.C (file contents):
Revision 1.41 by ayin, Sat Jun 30 23:58:29 2007 UTC vs.
Revision 1.45 by ayin, Sat Sep 8 20:55:49 2007 UTC

233 static class rxvt_failure_exception rxvt_failure_exception; 233 static class rxvt_failure_exception rxvt_failure_exception;
234 throw (rxvt_failure_exception); 234 throw (rxvt_failure_exception);
235} 235}
236 236
237/* 237/*
238 * check that the first characters of S1 match S2 238 * remove leading/trailing space in place.
239 *
240 * No Match
241 * return: 0
242 * Match
243 * return: strlen (S2)
244 */
245int
246rxvt_Str_match (const char *s1, const char *s2) NOTHROW
247{
248 int n = strlen (s2);
249
250 return ((strncmp (s1, s2, n) == 0) ? n : 0);
251}
252
253const char *
254rxvt_Str_skip_space (const char *str) NOTHROW
255{
256 if (str)
257 while (*str && isspace (*str))
258 str++;
259
260 return str;
261}
262
263/*
264 * remove leading/trailing space and strip-off leading/trailing quotes.
265 * in place.
266 */ 239 */
267char * 240char *
268rxvt_Str_trim (char *str) NOTHROW 241rxvt_Str_trim (char *str) NOTHROW
269{ 242{
270 char *r, *s; 243 char *r, *s;
280 253
281 /* dump return and other trailing whitespace */ 254 /* dump return and other trailing whitespace */
282 while (r > s && isspace (*r)) 255 while (r > s && isspace (*r))
283 r--; 256 r--;
284 257
285#if 0
286 /* skip matching leading/trailing quotes */
287 if (*s == '"' && *r == '"' && n > 1)
288 {
289 s++;
290 n -= 2;
291 }
292#endif
293
294 memmove (str, s, r + 1 - s); 258 memmove (str, s, r + 1 - s);
295 str[r + 1 - s] = 0; 259 str[r + 1 - s] = 0;
296 260
297 return str; 261 return str;
298}
299
300/*
301 * in-place interpretation of string:
302 *
303 * backslash-escaped: "\a\b\E\e\n\r\t", "\octal"
304 * Ctrl chars: ^@ .. ^_, ^?
305 *
306 * Emacs-style: "M-" prefix
307 *
308 * Also,
309 * "M-x" prefixed strings, append "\r" if needed
310 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed
311 *
312 * returns the converted string length
313 */
314int
315rxvt_Str_escaped (char *str) NOTHROW
316{
317 char ch, *s, *d;
318 int i, num, append = 0;
319
320 if (!str || !*str)
321 return 0;
322
323 d = s = str;
324
325 if (*s == 'M' && s[1] == '-')
326 {
327 /* Emacs convenience, replace leading `M-..' with `\E..' */
328 *d++ = C0_ESC;
329 s += 2;
330 if (toupper (*s) == 'X')
331 /* append carriage-return for `M-xcommand' */
332 for (*d++ = 'x', append = '\r', s++; isspace (*s); s++) ;
333 }
334 for (; (ch = *s++);)
335 {
336 if (ch == '\\')
337 {
338 ch = *s++;
339 if (ch >= '0' && ch <= '7')
340 { /* octal */
341 num = ch - '0';
342 for (i = 0; i < 2; i++, s++)
343 {
344 ch = *s;
345 if (ch < '0' || ch > '7')
346 break;
347 num = num * 8 + ch - '0';
348 }
349 ch = (char)num;
350 }
351 else if (ch == 'a')
352 ch = C0_BEL; /* bell */
353 else if (ch == 'b')
354 ch = C0_BS; /* backspace */
355 else if (ch == 'E' || ch == 'e')
356 ch = C0_ESC; /* escape */
357 else if (ch == 'n')
358 ch = '\n'; /* newline */
359 else if (ch == 'r')
360 ch = '\r'; /* carriage-return */
361 else if (ch == 't')
362 ch = C0_HT; /* tab */
363 }
364 else if (ch == '^')
365 {
366 ch = *s++;
367 ch = toupper (ch);
368 ch = (ch == '?' ? 127 : (ch - '@'));
369 }
370 *d++ = ch;
371 }
372
373 /* ESC] is an XTerm escape sequence, must be terminated */
374 if (*str == '\0' && str[1] == C0_ESC && str[2] == ']')
375 append = CHAR_ST;
376
377 /* add trailing character as required */
378 if (append && d[-1] != append)
379 *d++ = append;
380 *d = '\0';
381
382 return (d - str);
383} 262}
384 263
385/* 264/*
386 * Split a comma-separated string into an array, stripping leading and 265 * Split a comma-separated string into an array, stripping leading and
387 * trailing spaces from each entry. Empty strings are properly returned 266 * trailing spaces from each entry. Empty strings are properly returned

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