| … | |
… | |
| 260 | |
260 | |
| 261 | return str; |
261 | return str; |
| 262 | } |
262 | } |
| 263 | |
263 | |
| 264 | /* |
264 | /* |
| 265 | * in-place interpretation of string: |
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| 266 | * |
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| 267 | * backslash-escaped: "\a\b\E\e\n\r\t", "\octal" |
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| 268 | * Ctrl chars: ^@ .. ^_, ^? |
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| 269 | * |
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| 270 | * Emacs-style: "M-" prefix |
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| 271 | * |
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| 272 | * Also, |
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| 273 | * "M-x" prefixed strings, append "\r" if needed |
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| 274 | * "\E]" prefixed strings (XTerm escape sequence) append ST if needed |
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| 275 | * |
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| 276 | * returns the converted string length |
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| 277 | */ |
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| 278 | int |
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| 279 | rxvt_Str_escaped (char *str) NOTHROW |
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| 280 | { |
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| 281 | char ch, *s, *d; |
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| 282 | int i, num, append = 0; |
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| 283 | |
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| 284 | if (!str || !*str) |
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| 285 | return 0; |
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| 286 | |
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| 287 | d = s = str; |
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| 288 | |
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| 289 | if (*s == 'M' && s[1] == '-') |
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| 290 | { |
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| 291 | /* Emacs convenience, replace leading `M-..' with `\E..' */ |
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| 292 | *d++ = C0_ESC; |
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| 293 | s += 2; |
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| 294 | if (toupper (*s) == 'X') |
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| 295 | /* append carriage-return for `M-xcommand' */ |
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| 296 | for (*d++ = 'x', append = '\r', s++; isspace (*s); s++) ; |
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| 297 | } |
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| 298 | for (; (ch = *s++);) |
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| 299 | { |
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| 300 | if (ch == '\\') |
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| 301 | { |
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| 302 | ch = *s++; |
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| 303 | if (ch >= '0' && ch <= '7') |
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| 304 | { /* octal */ |
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| 305 | num = ch - '0'; |
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| 306 | for (i = 0; i < 2; i++, s++) |
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| 307 | { |
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| 308 | ch = *s; |
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| 309 | if (ch < '0' || ch > '7') |
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| 310 | break; |
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| 311 | num = num * 8 + ch - '0'; |
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| 312 | } |
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| 313 | ch = (char)num; |
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| 314 | } |
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| 315 | else if (ch == 'a') |
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| 316 | ch = C0_BEL; /* bell */ |
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| 317 | else if (ch == 'b') |
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| 318 | ch = C0_BS; /* backspace */ |
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| 319 | else if (ch == 'E' || ch == 'e') |
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| 320 | ch = C0_ESC; /* escape */ |
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| 321 | else if (ch == 'n') |
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| 322 | ch = '\n'; /* newline */ |
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| 323 | else if (ch == 'r') |
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| 324 | ch = '\r'; /* carriage-return */ |
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| 325 | else if (ch == 't') |
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| 326 | ch = C0_HT; /* tab */ |
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| 327 | } |
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| 328 | else if (ch == '^') |
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| 329 | { |
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| 330 | ch = *s++; |
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| 331 | ch = toupper (ch); |
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| 332 | ch = (ch == '?' ? 127 : (ch - '@')); |
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| 333 | } |
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| 334 | *d++ = ch; |
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| 335 | } |
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| 336 | |
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| 337 | /* ESC] is an XTerm escape sequence, must be terminated */ |
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| 338 | if (*str == '\0' && str[1] == C0_ESC && str[2] == ']') |
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| 339 | append = CHAR_ST; |
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| 340 | |
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| 341 | /* add trailing character as required */ |
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| 342 | if (append && d[-1] != append) |
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| 343 | *d++ = append; |
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| 344 | *d = '\0'; |
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| 345 | |
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| 346 | return (d - str); |
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| 347 | } |
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| 348 | |
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| 349 | /* |
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| 350 | * Split a comma-separated string into an array, stripping leading and |
265 | * Split a comma-separated string into an array, stripping leading and |
| 351 | * trailing spaces from each entry. Empty strings are properly returned |
266 | * trailing spaces from each entry. Empty strings are properly returned |
| 352 | * Caller should free each entry and array when done |
267 | * Caller should free each entry and array when done |
| 353 | */ |
268 | */ |
| 354 | char ** |
269 | char ** |
