Mercurial > hgrepos > Python > libs > ConfigMix

comparison configmix/_speedups.c @ 656:2b1c7a68f913

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Enable indexed access to lists in the configuration using an access path string representation like "~NNN~"
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 30 May 2022 09:31:29 +0200
parents 999cfca55d25
children 193a616e0b3c
comparison
equal deleted inserted replaced
655:b74f20e19c01 656:2b1c7a68f913
69 } 69 }
70 } 70 }
71 } 71 }
72 } 72 }
73 *result = r; 73 *result = r;
74 return 0; /* success */
75 }
76
77
78 static
79 int
80 _dec2num(PyObject *s, Py_ssize_t start, Py_ssize_t end, Py_ssize_t *result)
81 {
82 Py_ssize_t i;
83 Py_UCS4 c;
84 Py_ssize_t r = 0;
85 int sign = 0;
86
87 for (i=start; i<=end; i++) {
88 /* Overflow error check */
89 if (r > 3275) {
90 PyErr_SetString(PyExc_OverflowError, "index too large");
91 return -1;
92 }
93 r *= 10;
94 c = PyUnicode_ReadChar(s, i);
95 if ((c >= 48) && (c <= 57)) { /* 0 - 9 */
96 r += (c - 48);
97 }
98 else {
99 if (i == start) {
100 /* check for number sign (but only at the first index) */
101 if (c == 0x2d) {
102 sign = -1;
103 continue;
104 }
105 else {
106 if (c == 0x2b) {
107 sign = 1;
108 continue;
109 }
110 }
111 }
112 PyErr_Format(PyExc_ValueError, "invalid base-10 literal: %c", (int)c);
113 return -1;
114 }
115 }
116 if (sign >= 0) {
117 *result = r;
118 }
119 else {
120 *result = -r;
121 }
74 return 0; /* success */ 122 return 0; /* success */
75 } 123 }
76 124
77 125
78 #if defined(Py_LIMITED_API) 126 #if defined(Py_LIMITED_API)
290 } 338 }
291 } 339 }
292 if (s_len == 0) { 340 if (s_len == 0) {
293 return Py_NewRef(s); 341 return Py_NewRef(s);
294 } 342 }
343 if (s_len > 2) {
344 /* Check for ~NNN~ syntax */
345 c = PyUnicode_ReadChar(s, 0);
346 if (c == 0x7e) {
347 c = PyUnicode_ReadChar(s, s_len - 1);
348 if (c == 0x7e) {
349 if (_dec2num(s, 1, s_len - 2, &i) == 0) {
350 return PyLong_FromSsize_t(i);
351 }
352 PyErr_Clear();
353 }
354 }
355 }
295 find = PyUnicode_FindChar(s, '%', 0, s_len, 1); 356 find = PyUnicode_FindChar(s, '%', 0, s_len, 1);
296 if (find == -2) { 357 if (find == -2) {
297 return NULL; 358 return NULL;
298 } 359 }
299 if (find == -1) { 360 if (find == -1) {
427 int need_quoting; 488 int need_quoting;
428 struct speedups_state *sstate; 489 struct speedups_state *sstate;
429 490
430 s_len = PyUnicode_GetLength(s); 491 s_len = PyUnicode_GetLength(s);
431 if (s_len < 0) { 492 if (s_len < 0) {
493 if (PyObject_IsInstance(s, (PyObject *)&PyLong_Type)) {
494 PyErr_Clear();
495 return PyUnicode_FromFormat("~%S~", s);
496 }
497 PyErr_SetString(PyExc_TypeError, "given object has no len()");
432 return NULL; 498 return NULL;
433 } 499 }
434 if (s_len == 0) { 500 if (s_len == 0) {
435 return Py_NewRef(s); 501 return Py_NewRef(s);
436 } 502 }
447 case 0x27: 513 case 0x27:
448 case 0x7b: 514 case 0x7b:
449 case 0x7d: 515 case 0x7d:
450 case 0x5b: 516 case 0x5b:
451 case 0x5d: 517 case 0x5d:
518 case 0x7e:
452 need_quoting = 1; 519 need_quoting = 1;
453 i = s_len; /* break the for-loop */ 520 i = s_len; /* break the for-loop */
454 break; 521 break;
455 default: 522 default:
456 /* VOID */ 523 /* VOID */
1636 return -1; 1703 return -1;
1637 } 1704 }
1638 PyUnicode_InternInPlace(&(sstate->EMPTY_STR)); 1705 PyUnicode_InternInPlace(&(sstate->EMPTY_STR));
1639 1706
1640 sstate->QUOTE_MAP = Py_BuildValue( 1707 sstate->QUOTE_MAP = Py_BuildValue(
1641 "{IsIsIsIsIsIsIsIsIsIsIs}", 1708 "{IsIsIsIsIsIsIsIsIsIsIsIs}",
1642 0x25, "%x25", /* QUOTE: % */ 1709 0x25, "%x25", /* QUOTE: % */
1643 0x2e, "%x2e", /* DOT: . */ 1710 0x2e, "%x2e", /* DOT: . */
1644 0x3a, "%x3a", /* NS_SEPARATOR: : */ 1711 0x3a, "%x3a", /* NS_SEPARATOR: : */
1645 0x23, "%x23", /* COMMENT/anchor: # */ 1712 0x23, "%x23", /* COMMENT/anchor: # */
1646 0x7c, "%x7c", /* FILTER_SEPARATOR: | */ 1713 0x7c, "%x7c", /* FILTER_SEPARATOR: | */
1647 0x22, "%x22", 1714 0x22, "%x22",
1648 0x27, "%x27", 1715 0x27, "%x27",
1649 0x7b, "%x7b", 1716 0x7b, "%x7b",
1650 0x7d, "%x7d", 1717 0x7d, "%x7d",
1651 0x5b, "%x5b", 1718 0x5b, "%x5b",
1652 0x5d, "%x5d"); 1719 0x5d, "%x5d",
1720 0x7e, "%x7e"); /* tilde ~ */
1653 if (sstate->QUOTE_MAP == NULL) { 1721 if (sstate->QUOTE_MAP == NULL) {
1654 return -1; 1722 return -1;
1655 } 1723 }
1656 1724
1657 sstate->STARTTOK = PyUnicode_FromStringAndSize("{{", 2); 1725 sstate->STARTTOK = PyUnicode_FromStringAndSize("{{", 2);