For PEP3137: Adds missing methods to the mutable PyBytes object (soon
to be called a buffer). Shares code with stringobject when possible.
Adds unit tests with common code that should be usable to test the PEPs
mutable buffer() and immutable bytes() types.
http://bugs.python.org/issue1261
diff --git a/Objects/stringobject.c b/Objects/stringobject.c
index 3b4ddaf..83e3cfa 100644
--- a/Objects/stringobject.c
+++ b/Objects/stringobject.c
@@ -4,256 +4,7 @@
#include "Python.h"
-/* Our own locale-independent ctype.h-like macros */
-/* XXX Move into a header file? */
-
-#define FLAG_LOWER 0x01
-#define FLAG_UPPER 0x02
-#define FLAG_ALPHA (FLAG_LOWER|FLAG_UPPER)
-#define FLAG_DIGIT 0x04
-#define FLAG_ALNUM (FLAG_ALPHA|FLAG_DIGIT)
-#define FLAG_SPACE 0x08
-#define FLAG_XDIGIT 0x10
-
-static unsigned int ctype_table[256] = {
- 0, /* 0x0 '\x00' */
- 0, /* 0x1 '\x01' */
- 0, /* 0x2 '\x02' */
- 0, /* 0x3 '\x03' */
- 0, /* 0x4 '\x04' */
- 0, /* 0x5 '\x05' */
- 0, /* 0x6 '\x06' */
- 0, /* 0x7 '\x07' */
- 0, /* 0x8 '\x08' */
- FLAG_SPACE, /* 0x9 '\t' */
- FLAG_SPACE, /* 0xa '\n' */
- FLAG_SPACE, /* 0xb '\v' */
- FLAG_SPACE, /* 0xc '\f' */
- FLAG_SPACE, /* 0xd '\r' */
- 0, /* 0xe '\x0e' */
- 0, /* 0xf '\x0f' */
- 0, /* 0x10 '\x10' */
- 0, /* 0x11 '\x11' */
- 0, /* 0x12 '\x12' */
- 0, /* 0x13 '\x13' */
- 0, /* 0x14 '\x14' */
- 0, /* 0x15 '\x15' */
- 0, /* 0x16 '\x16' */
- 0, /* 0x17 '\x17' */
- 0, /* 0x18 '\x18' */
- 0, /* 0x19 '\x19' */
- 0, /* 0x1a '\x1a' */
- 0, /* 0x1b '\x1b' */
- 0, /* 0x1c '\x1c' */
- 0, /* 0x1d '\x1d' */
- 0, /* 0x1e '\x1e' */
- 0, /* 0x1f '\x1f' */
- FLAG_SPACE, /* 0x20 ' ' */
- 0, /* 0x21 '!' */
- 0, /* 0x22 '"' */
- 0, /* 0x23 '#' */
- 0, /* 0x24 '$' */
- 0, /* 0x25 '%' */
- 0, /* 0x26 '&' */
- 0, /* 0x27 "'" */
- 0, /* 0x28 '(' */
- 0, /* 0x29 ')' */
- 0, /* 0x2a '*' */
- 0, /* 0x2b '+' */
- 0, /* 0x2c ',' */
- 0, /* 0x2d '-' */
- 0, /* 0x2e '.' */
- 0, /* 0x2f '/' */
- FLAG_DIGIT|FLAG_XDIGIT, /* 0x30 '0' */
- FLAG_DIGIT|FLAG_XDIGIT, /* 0x31 '1' */
- FLAG_DIGIT|FLAG_XDIGIT, /* 0x32 '2' */
- FLAG_DIGIT|FLAG_XDIGIT, /* 0x33 '3' */
- FLAG_DIGIT|FLAG_XDIGIT, /* 0x34 '4' */
- FLAG_DIGIT|FLAG_XDIGIT, /* 0x35 '5' */
- FLAG_DIGIT|FLAG_XDIGIT, /* 0x36 '6' */
- FLAG_DIGIT|FLAG_XDIGIT, /* 0x37 '7' */
- FLAG_DIGIT|FLAG_XDIGIT, /* 0x38 '8' */
- FLAG_DIGIT|FLAG_XDIGIT, /* 0x39 '9' */
- 0, /* 0x3a ':' */
- 0, /* 0x3b ';' */
- 0, /* 0x3c '<' */
- 0, /* 0x3d '=' */
- 0, /* 0x3e '>' */
- 0, /* 0x3f '?' */
- 0, /* 0x40 '@' */
- FLAG_UPPER|FLAG_XDIGIT, /* 0x41 'A' */
- FLAG_UPPER|FLAG_XDIGIT, /* 0x42 'B' */
- FLAG_UPPER|FLAG_XDIGIT, /* 0x43 'C' */
- FLAG_UPPER|FLAG_XDIGIT, /* 0x44 'D' */
- FLAG_UPPER|FLAG_XDIGIT, /* 0x45 'E' */
- FLAG_UPPER|FLAG_XDIGIT, /* 0x46 'F' */
- FLAG_UPPER, /* 0x47 'G' */
- FLAG_UPPER, /* 0x48 'H' */
- FLAG_UPPER, /* 0x49 'I' */
- FLAG_UPPER, /* 0x4a 'J' */
- FLAG_UPPER, /* 0x4b 'K' */
- FLAG_UPPER, /* 0x4c 'L' */
- FLAG_UPPER, /* 0x4d 'M' */
- FLAG_UPPER, /* 0x4e 'N' */
- FLAG_UPPER, /* 0x4f 'O' */
- FLAG_UPPER, /* 0x50 'P' */
- FLAG_UPPER, /* 0x51 'Q' */
- FLAG_UPPER, /* 0x52 'R' */
- FLAG_UPPER, /* 0x53 'S' */
- FLAG_UPPER, /* 0x54 'T' */
- FLAG_UPPER, /* 0x55 'U' */
- FLAG_UPPER, /* 0x56 'V' */
- FLAG_UPPER, /* 0x57 'W' */
- FLAG_UPPER, /* 0x58 'X' */
- FLAG_UPPER, /* 0x59 'Y' */
- FLAG_UPPER, /* 0x5a 'Z' */
- 0, /* 0x5b '[' */
- 0, /* 0x5c '\\' */
- 0, /* 0x5d ']' */
- 0, /* 0x5e '^' */
- 0, /* 0x5f '_' */
- 0, /* 0x60 '`' */
- FLAG_LOWER|FLAG_XDIGIT, /* 0x61 'a' */
- FLAG_LOWER|FLAG_XDIGIT, /* 0x62 'b' */
- FLAG_LOWER|FLAG_XDIGIT, /* 0x63 'c' */
- FLAG_LOWER|FLAG_XDIGIT, /* 0x64 'd' */
- FLAG_LOWER|FLAG_XDIGIT, /* 0x65 'e' */
- FLAG_LOWER|FLAG_XDIGIT, /* 0x66 'f' */
- FLAG_LOWER, /* 0x67 'g' */
- FLAG_LOWER, /* 0x68 'h' */
- FLAG_LOWER, /* 0x69 'i' */
- FLAG_LOWER, /* 0x6a 'j' */
- FLAG_LOWER, /* 0x6b 'k' */
- FLAG_LOWER, /* 0x6c 'l' */
- FLAG_LOWER, /* 0x6d 'm' */
- FLAG_LOWER, /* 0x6e 'n' */
- FLAG_LOWER, /* 0x6f 'o' */
- FLAG_LOWER, /* 0x70 'p' */
- FLAG_LOWER, /* 0x71 'q' */
- FLAG_LOWER, /* 0x72 'r' */
- FLAG_LOWER, /* 0x73 's' */
- FLAG_LOWER, /* 0x74 't' */
- FLAG_LOWER, /* 0x75 'u' */
- FLAG_LOWER, /* 0x76 'v' */
- FLAG_LOWER, /* 0x77 'w' */
- FLAG_LOWER, /* 0x78 'x' */
- FLAG_LOWER, /* 0x79 'y' */
- FLAG_LOWER, /* 0x7a 'z' */
- 0, /* 0x7b '{' */
- 0, /* 0x7c '|' */
- 0, /* 0x7d '}' */
- 0, /* 0x7e '~' */
- 0, /* 0x7f '\x7f' */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-};
-
-#define ISLOWER(c) (ctype_table[Py_CHARMASK(c)] & FLAG_LOWER)
-#define ISUPPER(c) (ctype_table[Py_CHARMASK(c)] & FLAG_UPPER)
-#define ISALPHA(c) (ctype_table[Py_CHARMASK(c)] & FLAG_ALPHA)
-#define ISDIGIT(c) (ctype_table[Py_CHARMASK(c)] & FLAG_DIGIT)
-#define ISXDIGIT(c) (ctype_table[Py_CHARMASK(c)] & FLAG_XDIGIT)
-#define ISALNUM(c) (ctype_table[Py_CHARMASK(c)] & FLAG_ALNUM)
-#define ISSPACE(c) (ctype_table[Py_CHARMASK(c)] & FLAG_SPACE)
-
-#undef islower
-#define islower(c) undefined_islower(c)
-#undef isupper
-#define isupper(c) undefined_isupper(c)
-#undef isalpha
-#define isalpha(c) undefined_isalpha(c)
-#undef isdigit
-#define isdigit(c) undefined_isdigit(c)
-#undef isxdigit
-#define isxdigit(c) undefined_isxdigit(c)
-#undef isalnum
-#define isalnum(c) undefined_isalnum(c)
-#undef isspace
-#define isspace(c) undefined_isspace(c)
-
-static unsigned char ctype_tolower[256] = {
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
- 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
- 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
- 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
- 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
- 0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
- 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
- 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
- 0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
- 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
- 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
- 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
- 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
- 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
- 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
- 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
- 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
- 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
- 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
- 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
- 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
- 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
- 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
- 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
- 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
- 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
- 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
- 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
- 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
-};
-
-static unsigned char ctype_toupper[256] = {
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
- 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
- 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
- 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
- 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
- 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
- 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
- 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
- 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
- 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
- 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
- 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
- 0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
- 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
- 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
- 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
- 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
- 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
- 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
- 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
- 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
- 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
- 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
- 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
- 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
- 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
- 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
- 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
- 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
-};
-
-#define TOLOWER(c) (ctype_tolower[Py_CHARMASK(c)])
-#define TOUPPER(c) (ctype_toupper[Py_CHARMASK(c)])
-
-#undef tolower
-#define tolower(c) undefined_tolower(c)
-#undef toupper
-#define toupper(c) undefined_toupper(c)
+#include "bytes_methods.h"
#ifdef COUNT_ALLOCS
int null_strings, one_strings;
@@ -1002,14 +753,19 @@
#define STRINGLIB_LEN PyString_GET_SIZE
#define STRINGLIB_NEW PyString_FromStringAndSize
#define STRINGLIB_STR PyString_AS_STRING
+#define STRINGLIB_WANT_CONTAINS_OBJ 1
#define STRINGLIB_EMPTY nullstring
+#define STRINGLIB_CHECK_EXACT PyString_CheckExact
+#define STRINGLIB_MUTABLE 0
#include "stringlib/fastsearch.h"
#include "stringlib/count.h"
#include "stringlib/find.h"
#include "stringlib/partition.h"
+#include "stringlib/ctype.h"
+#include "stringlib/transmogrify.h"
PyObject *
@@ -1466,18 +1222,6 @@
#define PREALLOC_SIZE(maxsplit) \
(maxsplit >= MAX_PREALLOC ? MAX_PREALLOC : maxsplit+1)
-#define SPLIT_APPEND(data, left, right) \
- str = PyString_FromStringAndSize((data) + (left), \
- (right) - (left)); \
- if (str == NULL) \
- goto onError; \
- if (PyList_Append(list, str)) { \
- Py_DECREF(str); \
- goto onError; \
- } \
- else \
- Py_DECREF(str);
-
#define SPLIT_ADD(data, left, right) { \
str = PyString_FromStringAndSize((data) + (left), \
(right) - (left)); \
@@ -1839,6 +1583,10 @@
return NULL;
}
+#undef SPLIT_ADD
+#undef MAX_PREALLOC
+#undef PREALLOC_SIZE
+
PyDoc_STRVAR(join__doc__,
"S.join(sequence) -> string\n\
@@ -2222,136 +1970,6 @@
}
-PyDoc_STRVAR(lower__doc__,
-"S.lower() -> string\n\
-\n\
-Return a copy of the string S converted to lowercase.");
-
-static PyObject *
-string_lower(PyStringObject *self)
-{
- char *s;
- Py_ssize_t i, n = PyString_GET_SIZE(self);
- PyObject *newobj;
-
- newobj = PyString_FromStringAndSize(NULL, n);
- if (!newobj)
- return NULL;
-
- s = PyString_AS_STRING(newobj);
-
- Py_MEMCPY(s, PyString_AS_STRING(self), n);
-
- for (i = 0; i < n; i++) {
- int c = Py_CHARMASK(s[i]);
- if (ISUPPER(c))
- s[i] = TOLOWER(c);
- }
-
- return newobj;
-}
-
-PyDoc_STRVAR(upper__doc__,
-"S.upper() -> string\n\
-\n\
-Return a copy of the string S converted to uppercase.");
-
-static PyObject *
-string_upper(PyStringObject *self)
-{
- char *s;
- Py_ssize_t i, n = PyString_GET_SIZE(self);
- PyObject *newobj;
-
- newobj = PyString_FromStringAndSize(NULL, n);
- if (!newobj)
- return NULL;
-
- s = PyString_AS_STRING(newobj);
-
- Py_MEMCPY(s, PyString_AS_STRING(self), n);
-
- for (i = 0; i < n; i++) {
- int c = Py_CHARMASK(s[i]);
- if (ISLOWER(c))
- s[i] = TOUPPER(c);
- }
-
- return newobj;
-}
-
-PyDoc_STRVAR(title__doc__,
-"S.title() -> string\n\
-\n\
-Return a titlecased version of S, i.e. words start with uppercase\n\
-characters, all remaining cased characters have lowercase.");
-
-static PyObject*
-string_title(PyStringObject *self)
-{
- char *s = PyString_AS_STRING(self), *s_new;
- Py_ssize_t i, n = PyString_GET_SIZE(self);
- int previous_is_cased = 0;
- PyObject *newobj;
-
- newobj = PyString_FromStringAndSize(NULL, n);
- if (newobj == NULL)
- return NULL;
- s_new = PyString_AsString(newobj);
- for (i = 0; i < n; i++) {
- int c = Py_CHARMASK(*s++);
- if (ISLOWER(c)) {
- if (!previous_is_cased)
- c = TOUPPER(c);
- previous_is_cased = 1;
- } else if (ISUPPER(c)) {
- if (previous_is_cased)
- c = TOLOWER(c);
- previous_is_cased = 1;
- } else
- previous_is_cased = 0;
- *s_new++ = c;
- }
- return newobj;
-}
-
-PyDoc_STRVAR(capitalize__doc__,
-"S.capitalize() -> string\n\
-\n\
-Return a copy of the string S with only its first character\n\
-capitalized.");
-
-static PyObject *
-string_capitalize(PyStringObject *self)
-{
- char *s = PyString_AS_STRING(self), *s_new;
- Py_ssize_t i, n = PyString_GET_SIZE(self);
- PyObject *newobj;
-
- newobj = PyString_FromStringAndSize(NULL, n);
- if (newobj == NULL)
- return NULL;
- s_new = PyString_AsString(newobj);
- if (0 < n) {
- int c = Py_CHARMASK(*s++);
- if (ISLOWER(c))
- *s_new = TOUPPER(c);
- else
- *s_new = c;
- s_new++;
- }
- for (i = 1; i < n; i++) {
- int c = Py_CHARMASK(*s++);
- if (ISUPPER(c))
- *s_new = TOLOWER(c);
- else
- *s_new = c;
- s_new++;
- }
- return newobj;
-}
-
-
PyDoc_STRVAR(count__doc__,
"S.count(sub[, start[, end]]) -> int\n\
\n\
@@ -2393,38 +2011,6 @@
);
}
-PyDoc_STRVAR(swapcase__doc__,
-"S.swapcase() -> string\n\
-\n\
-Return a copy of the string S with uppercase characters\n\
-converted to lowercase and vice versa.");
-
-static PyObject *
-string_swapcase(PyStringObject *self)
-{
- char *s = PyString_AS_STRING(self), *s_new;
- Py_ssize_t i, n = PyString_GET_SIZE(self);
- PyObject *newobj;
-
- newobj = PyString_FromStringAndSize(NULL, n);
- if (newobj == NULL)
- return NULL;
- s_new = PyString_AsString(newobj);
- for (i = 0; i < n; i++) {
- int c = Py_CHARMASK(*s++);
- if (ISLOWER(c)) {
- *s_new = TOUPPER(c);
- }
- else if (ISUPPER(c)) {
- *s_new = TOLOWER(c);
- }
- else
- *s_new = c;
- s_new++;
- }
- return newobj;
-}
-
PyDoc_STRVAR(translate__doc__,
"S.translate(table [,deletechars]) -> string\n\
@@ -3380,548 +2966,6 @@
}
-PyDoc_STRVAR(expandtabs__doc__,
-"S.expandtabs([tabsize]) -> string\n\
-\n\
-Return a copy of S where all tab characters are expanded using spaces.\n\
-If tabsize is not given, a tab size of 8 characters is assumed.");
-
-static PyObject*
-string_expandtabs(PyStringObject *self, PyObject *args)
-{
- const char *e, *p;
- char *q;
- Py_ssize_t i, j, old_j;
- PyObject *u;
- int tabsize = 8;
-
- if (!PyArg_ParseTuple(args, "|i:expandtabs", &tabsize))
- return NULL;
-
- /* First pass: determine size of output string */
- i = j = old_j = 0;
- e = PyString_AS_STRING(self) + PyString_GET_SIZE(self);
- for (p = PyString_AS_STRING(self); p < e; p++)
- if (*p == '\t') {
- if (tabsize > 0) {
- j += tabsize - (j % tabsize);
- if (old_j > j) {
- PyErr_SetString(PyExc_OverflowError,
- "new string is too long");
- return NULL;
- }
- old_j = j;
- }
- }
- else {
- j++;
- if (*p == '\n' || *p == '\r') {
- i += j;
- old_j = j = 0;
- if (i < 0) {
- PyErr_SetString(PyExc_OverflowError,
- "new string is too long");
- return NULL;
- }
- }
- }
-
- if ((i + j) < 0) {
- PyErr_SetString(PyExc_OverflowError, "new string is too long");
- return NULL;
- }
-
- /* Second pass: create output string and fill it */
- u = PyString_FromStringAndSize(NULL, i + j);
- if (!u)
- return NULL;
-
- j = 0;
- q = PyString_AS_STRING(u);
-
- for (p = PyString_AS_STRING(self); p < e; p++)
- if (*p == '\t') {
- if (tabsize > 0) {
- i = tabsize - (j % tabsize);
- j += i;
- while (i--)
- *q++ = ' ';
- }
- }
- else {
- j++;
- *q++ = *p;
- if (*p == '\n' || *p == '\r')
- j = 0;
- }
-
- return u;
-}
-
-Py_LOCAL_INLINE(PyObject *)
-pad(PyStringObject *self, Py_ssize_t left, Py_ssize_t right, char fill)
-{
- PyObject *u;
-
- if (left < 0)
- left = 0;
- if (right < 0)
- right = 0;
-
- if (left == 0 && right == 0 && PyString_CheckExact(self)) {
- Py_INCREF(self);
- return (PyObject *)self;
- }
-
- u = PyString_FromStringAndSize(NULL,
- left + PyString_GET_SIZE(self) + right);
- if (u) {
- if (left)
- memset(PyString_AS_STRING(u), fill, left);
- Py_MEMCPY(PyString_AS_STRING(u) + left,
- PyString_AS_STRING(self),
- PyString_GET_SIZE(self));
- if (right)
- memset(PyString_AS_STRING(u) + left + PyString_GET_SIZE(self),
- fill, right);
- }
-
- return u;
-}
-
-PyDoc_STRVAR(ljust__doc__,
-"S.ljust(width[, fillchar]) -> string\n"
-"\n"
-"Return S left justified in a string of length width. Padding is\n"
-"done using the specified fill character (default is a space).");
-
-static PyObject *
-string_ljust(PyStringObject *self, PyObject *args)
-{
- Py_ssize_t width;
- char fillchar = ' ';
-
- if (!PyArg_ParseTuple(args, "n|c:ljust", &width, &fillchar))
- return NULL;
-
- if (PyString_GET_SIZE(self) >= width && PyString_CheckExact(self)) {
- Py_INCREF(self);
- return (PyObject*) self;
- }
-
- return pad(self, 0, width - PyString_GET_SIZE(self), fillchar);
-}
-
-
-PyDoc_STRVAR(rjust__doc__,
-"S.rjust(width[, fillchar]) -> string\n"
-"\n"
-"Return S right justified in a string of length width. Padding is\n"
-"done using the specified fill character (default is a space)");
-
-static PyObject *
-string_rjust(PyStringObject *self, PyObject *args)
-{
- Py_ssize_t width;
- char fillchar = ' ';
-
- if (!PyArg_ParseTuple(args, "n|c:rjust", &width, &fillchar))
- return NULL;
-
- if (PyString_GET_SIZE(self) >= width && PyString_CheckExact(self)) {
- Py_INCREF(self);
- return (PyObject*) self;
- }
-
- return pad(self, width - PyString_GET_SIZE(self), 0, fillchar);
-}
-
-
-PyDoc_STRVAR(center__doc__,
-"S.center(width[, fillchar]) -> string\n"
-"\n"
-"Return S centered in a string of length width. Padding is\n"
-"done using the specified fill character (default is a space)");
-
-static PyObject *
-string_center(PyStringObject *self, PyObject *args)
-{
- Py_ssize_t marg, left;
- Py_ssize_t width;
- char fillchar = ' ';
-
- if (!PyArg_ParseTuple(args, "n|c:center", &width, &fillchar))
- return NULL;
-
- if (PyString_GET_SIZE(self) >= width && PyString_CheckExact(self)) {
- Py_INCREF(self);
- return (PyObject*) self;
- }
-
- marg = width - PyString_GET_SIZE(self);
- left = marg / 2 + (marg & width & 1);
-
- return pad(self, left, marg - left, fillchar);
-}
-
-PyDoc_STRVAR(zfill__doc__,
-"S.zfill(width) -> string\n"
-"\n"
-"Pad a numeric string S with zeros on the left, to fill a field\n"
-"of the specified width. The string S is never truncated.");
-
-static PyObject *
-string_zfill(PyStringObject *self, PyObject *args)
-{
- Py_ssize_t fill;
- PyObject *s;
- char *p;
- Py_ssize_t width;
-
- if (!PyArg_ParseTuple(args, "n:zfill", &width))
- return NULL;
-
- if (PyString_GET_SIZE(self) >= width) {
- if (PyString_CheckExact(self)) {
- Py_INCREF(self);
- return (PyObject*) self;
- }
- else
- return PyString_FromStringAndSize(
- PyString_AS_STRING(self),
- PyString_GET_SIZE(self)
- );
- }
-
- fill = width - PyString_GET_SIZE(self);
-
- s = pad(self, fill, 0, '0');
-
- if (s == NULL)
- return NULL;
-
- p = PyString_AS_STRING(s);
- if (p[fill] == '+' || p[fill] == '-') {
- /* move sign to beginning of string */
- p[0] = p[fill];
- p[fill] = '0';
- }
-
- return (PyObject*) s;
-}
-
-PyDoc_STRVAR(isspace__doc__,
-"S.isspace() -> bool\n\
-\n\
-Return True if all characters in S are whitespace\n\
-and there is at least one character in S, False otherwise.");
-
-static PyObject*
-string_isspace(PyStringObject *self)
-{
- register const unsigned char *p
- = (unsigned char *) PyString_AS_STRING(self);
- register const unsigned char *e;
-
- /* Shortcut for single character strings */
- if (PyString_GET_SIZE(self) == 1 &&
- ISSPACE(*p))
- return PyBool_FromLong(1);
-
- /* Special case for empty strings */
- if (PyString_GET_SIZE(self) == 0)
- return PyBool_FromLong(0);
-
- e = p + PyString_GET_SIZE(self);
- for (; p < e; p++) {
- if (!ISSPACE(*p))
- return PyBool_FromLong(0);
- }
- return PyBool_FromLong(1);
-}
-
-
-PyDoc_STRVAR(isalpha__doc__,
-"S.isalpha() -> bool\n\
-\n\
-Return True if all characters in S are alphabetic\n\
-and there is at least one character in S, False otherwise.");
-
-static PyObject*
-string_isalpha(PyStringObject *self)
-{
- register const unsigned char *p
- = (unsigned char *) PyString_AS_STRING(self);
- register const unsigned char *e;
-
- /* Shortcut for single character strings */
- if (PyString_GET_SIZE(self) == 1 &&
- ISALPHA(*p))
- return PyBool_FromLong(1);
-
- /* Special case for empty strings */
- if (PyString_GET_SIZE(self) == 0)
- return PyBool_FromLong(0);
-
- e = p + PyString_GET_SIZE(self);
- for (; p < e; p++) {
- if (!ISALPHA(*p))
- return PyBool_FromLong(0);
- }
- return PyBool_FromLong(1);
-}
-
-
-PyDoc_STRVAR(isalnum__doc__,
-"S.isalnum() -> bool\n\
-\n\
-Return True if all characters in S are alphanumeric\n\
-and there is at least one character in S, False otherwise.");
-
-static PyObject*
-string_isalnum(PyStringObject *self)
-{
- register const unsigned char *p
- = (unsigned char *) PyString_AS_STRING(self);
- register const unsigned char *e;
-
- /* Shortcut for single character strings */
- if (PyString_GET_SIZE(self) == 1 && ISALNUM(*p))
- return PyBool_FromLong(1);
-
- /* Special case for empty strings */
- if (PyString_GET_SIZE(self) == 0)
- return PyBool_FromLong(0);
-
- e = p + PyString_GET_SIZE(self);
- for (; p < e; p++) {
- if (!ISALNUM(*p))
- return PyBool_FromLong(0);
- }
- return PyBool_FromLong(1);
-}
-
-
-PyDoc_STRVAR(isdigit__doc__,
-"S.isdigit() -> bool\n\
-\n\
-Return True if all characters in S are digits\n\
-and there is at least one character in S, False otherwise.");
-
-static PyObject*
-string_isdigit(PyStringObject *self)
-{
- register const unsigned char *p
- = (unsigned char *) PyString_AS_STRING(self);
- register const unsigned char *e;
-
- /* Shortcut for single character strings */
- if (PyString_GET_SIZE(self) == 1 && ISDIGIT(*p))
- return PyBool_FromLong(1);
-
- /* Special case for empty strings */
- if (PyString_GET_SIZE(self) == 0)
- return PyBool_FromLong(0);
-
- e = p + PyString_GET_SIZE(self);
- for (; p < e; p++) {
- if (!ISDIGIT(*p))
- return PyBool_FromLong(0);
- }
- return PyBool_FromLong(1);
-}
-
-
-PyDoc_STRVAR(islower__doc__,
-"S.islower() -> bool\n\
-\n\
-Return True if all cased characters in S are lowercase and there is\n\
-at least one cased character in S, False otherwise.");
-
-static PyObject*
-string_islower(PyStringObject *self)
-{
- register const unsigned char *p
- = (unsigned char *) PyString_AS_STRING(self);
- register const unsigned char *e;
- int cased;
-
- /* Shortcut for single character strings */
- if (PyString_GET_SIZE(self) == 1)
- return PyBool_FromLong(ISLOWER(*p));
-
- /* Special case for empty strings */
- if (PyString_GET_SIZE(self) == 0)
- return PyBool_FromLong(0);
-
- e = p + PyString_GET_SIZE(self);
- cased = 0;
- for (; p < e; p++) {
- if (ISUPPER(*p))
- return PyBool_FromLong(0);
- else if (!cased && ISLOWER(*p))
- cased = 1;
- }
- return PyBool_FromLong(cased);
-}
-
-
-PyDoc_STRVAR(isupper__doc__,
-"S.isupper() -> bool\n\
-\n\
-Return True if all cased characters in S are uppercase and there is\n\
-at least one cased character in S, False otherwise.");
-
-static PyObject*
-string_isupper(PyStringObject *self)
-{
- register const unsigned char *p
- = (unsigned char *) PyString_AS_STRING(self);
- register const unsigned char *e;
- int cased;
-
- /* Shortcut for single character strings */
- if (PyString_GET_SIZE(self) == 1)
- return PyBool_FromLong(ISUPPER(*p));
-
- /* Special case for empty strings */
- if (PyString_GET_SIZE(self) == 0)
- return PyBool_FromLong(0);
-
- e = p + PyString_GET_SIZE(self);
- cased = 0;
- for (; p < e; p++) {
- if (ISLOWER(*p))
- return PyBool_FromLong(0);
- else if (!cased && ISUPPER(*p))
- cased = 1;
- }
- return PyBool_FromLong(cased);
-}
-
-
-PyDoc_STRVAR(istitle__doc__,
-"S.istitle() -> bool\n\
-\n\
-Return True if S is a titlecased string and there is at least one\n\
-character in S, i.e. uppercase characters may only follow uncased\n\
-characters and lowercase characters only cased ones. Return False\n\
-otherwise.");
-
-static PyObject*
-string_istitle(PyStringObject *self, PyObject *uncased)
-{
- register const unsigned char *p
- = (unsigned char *) PyString_AS_STRING(self);
- register const unsigned char *e;
- int cased, previous_is_cased;
-
- /* Shortcut for single character strings */
- if (PyString_GET_SIZE(self) == 1)
- return PyBool_FromLong(ISUPPER(*p));
-
- /* Special case for empty strings */
- if (PyString_GET_SIZE(self) == 0)
- return PyBool_FromLong(0);
-
- e = p + PyString_GET_SIZE(self);
- cased = 0;
- previous_is_cased = 0;
- for (; p < e; p++) {
- register const unsigned char ch = *p;
-
- if (ISUPPER(ch)) {
- if (previous_is_cased)
- return PyBool_FromLong(0);
- previous_is_cased = 1;
- cased = 1;
- }
- else if (ISLOWER(ch)) {
- if (!previous_is_cased)
- return PyBool_FromLong(0);
- previous_is_cased = 1;
- cased = 1;
- }
- else
- previous_is_cased = 0;
- }
- return PyBool_FromLong(cased);
-}
-
-
-PyDoc_STRVAR(splitlines__doc__,
-"S.splitlines([keepends]) -> list of strings\n\
-\n\
-Return a list of the lines in S, breaking at line boundaries.\n\
-Line breaks are not included in the resulting list unless keepends\n\
-is given and true.");
-
-static PyObject*
-string_splitlines(PyStringObject *self, PyObject *args)
-{
- register Py_ssize_t i;
- register Py_ssize_t j;
- Py_ssize_t len;
- int keepends = 0;
- PyObject *list;
- PyObject *str;
- char *data;
-
- if (!PyArg_ParseTuple(args, "|i:splitlines", &keepends))
- return NULL;
-
- data = PyString_AS_STRING(self);
- len = PyString_GET_SIZE(self);
-
- /* This does not use the preallocated list because splitlines is
- usually run with hundreds of newlines. The overhead of
- switching between PyList_SET_ITEM and append causes about a
- 2-3% slowdown for that common case. A smarter implementation
- could move the if check out, so the SET_ITEMs are done first
- and the appends only done when the prealloc buffer is full.
- That's too much work for little gain.*/
-
- list = PyList_New(0);
- if (!list)
- goto onError;
-
- for (i = j = 0; i < len; ) {
- Py_ssize_t eol;
-
- /* Find a line and append it */
- while (i < len && data[i] != '\n' && data[i] != '\r')
- i++;
-
- /* Skip the line break reading CRLF as one line break */
- eol = i;
- if (i < len) {
- if (data[i] == '\r' && i + 1 < len &&
- data[i+1] == '\n')
- i += 2;
- else
- i++;
- if (keepends)
- eol = i;
- }
- SPLIT_APPEND(data, j, eol);
- j = i;
- }
- if (j < len) {
- SPLIT_APPEND(data, j, len);
- }
-
- return list;
-
- onError:
- Py_XDECREF(list);
- return NULL;
-}
-
-#undef SPLIT_APPEND
-#undef SPLIT_ADD
-#undef MAX_PREALLOC
-#undef PREALLOC_SIZE
-
static PyObject *
string_getnewargs(PyStringObject *v)
{
@@ -3934,17 +2978,24 @@
{"join", (PyCFunction)string_join, METH_O, join__doc__},
{"split", (PyCFunction)string_split, METH_VARARGS, split__doc__},
{"rsplit", (PyCFunction)string_rsplit, METH_VARARGS, rsplit__doc__},
- {"lower", (PyCFunction)string_lower, METH_NOARGS, lower__doc__},
- {"upper", (PyCFunction)string_upper, METH_NOARGS, upper__doc__},
- {"islower", (PyCFunction)string_islower, METH_NOARGS, islower__doc__},
- {"isupper", (PyCFunction)string_isupper, METH_NOARGS, isupper__doc__},
- {"isspace", (PyCFunction)string_isspace, METH_NOARGS, isspace__doc__},
- {"isdigit", (PyCFunction)string_isdigit, METH_NOARGS, isdigit__doc__},
- {"istitle", (PyCFunction)string_istitle, METH_NOARGS, istitle__doc__},
- {"isalpha", (PyCFunction)string_isalpha, METH_NOARGS, isalpha__doc__},
- {"isalnum", (PyCFunction)string_isalnum, METH_NOARGS, isalnum__doc__},
- {"capitalize", (PyCFunction)string_capitalize, METH_NOARGS,
- capitalize__doc__},
+ {"lower", (PyCFunction)stringlib_lower, METH_NOARGS, _Py_lower__doc__},
+ {"upper", (PyCFunction)stringlib_upper, METH_NOARGS, _Py_upper__doc__},
+ {"islower", (PyCFunction)stringlib_islower, METH_NOARGS,
+ _Py_islower__doc__},
+ {"isupper", (PyCFunction)stringlib_isupper, METH_NOARGS,
+ _Py_isupper__doc__},
+ {"isspace", (PyCFunction)stringlib_isspace, METH_NOARGS,
+ _Py_isspace__doc__},
+ {"isdigit", (PyCFunction)stringlib_isdigit, METH_NOARGS,
+ _Py_isdigit__doc__},
+ {"istitle", (PyCFunction)stringlib_istitle, METH_NOARGS,
+ _Py_istitle__doc__},
+ {"isalpha", (PyCFunction)stringlib_isalpha, METH_NOARGS,
+ _Py_isalpha__doc__},
+ {"isalnum", (PyCFunction)stringlib_isalnum, METH_NOARGS,
+ _Py_isalnum__doc__},
+ {"capitalize", (PyCFunction)stringlib_capitalize, METH_NOARGS,
+ _Py_capitalize__doc__},
{"count", (PyCFunction)string_count, METH_VARARGS, count__doc__},
{"endswith", (PyCFunction)string_endswith, METH_VARARGS,
endswith__doc__},
@@ -3961,20 +3012,20 @@
{"startswith", (PyCFunction)string_startswith, METH_VARARGS,
startswith__doc__},
{"strip", (PyCFunction)string_strip, METH_VARARGS, strip__doc__},
- {"swapcase", (PyCFunction)string_swapcase, METH_NOARGS,
- swapcase__doc__},
+ {"swapcase", (PyCFunction)stringlib_swapcase, METH_NOARGS,
+ _Py_swapcase__doc__},
{"translate", (PyCFunction)string_translate, METH_VARARGS,
translate__doc__},
- {"title", (PyCFunction)string_title, METH_NOARGS, title__doc__},
- {"ljust", (PyCFunction)string_ljust, METH_VARARGS, ljust__doc__},
- {"rjust", (PyCFunction)string_rjust, METH_VARARGS, rjust__doc__},
- {"center", (PyCFunction)string_center, METH_VARARGS, center__doc__},
- {"zfill", (PyCFunction)string_zfill, METH_VARARGS, zfill__doc__},
+ {"title", (PyCFunction)stringlib_title, METH_NOARGS, _Py_title__doc__},
+ {"ljust", (PyCFunction)stringlib_ljust, METH_VARARGS, ljust__doc__},
+ {"rjust", (PyCFunction)stringlib_rjust, METH_VARARGS, rjust__doc__},
+ {"center", (PyCFunction)stringlib_center, METH_VARARGS, center__doc__},
+ {"zfill", (PyCFunction)stringlib_zfill, METH_VARARGS, zfill__doc__},
{"encode", (PyCFunction)string_encode, METH_VARARGS, encode__doc__},
{"decode", (PyCFunction)string_decode, METH_VARARGS, decode__doc__},
- {"expandtabs", (PyCFunction)string_expandtabs, METH_VARARGS,
+ {"expandtabs", (PyCFunction)stringlib_expandtabs, METH_VARARGS,
expandtabs__doc__},
- {"splitlines", (PyCFunction)string_splitlines, METH_VARARGS,
+ {"splitlines", (PyCFunction)stringlib_splitlines, METH_VARARGS,
splitlines__doc__},
{"__getnewargs__", (PyCFunction)string_getnewargs, METH_NOARGS},
{NULL, NULL} /* sentinel */