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Revision 69f9f201d9bd03dd30e19274a8f3965b758b9b41 authored by Hirokazu Yamamoto on 07 November 2010, 12:11:28 UTC, committed by Hirokazu Yamamoto on 07 November 2010, 12:11:28 UTC
........ r86168 | hirokazu.yamamoto | 2010-11-05 00:21:59 +0900 | 1 line Updated PC/VS8.0. (mainly to follow r86137: use temporary dir in make_buildinfo.c) ........ r86211 | hirokazu.yamamoto | 2010-11-06 02:24:13 +0900 | 1 line Fixed socket_gethostname() on windows. ........ r86281 | hirokazu.yamamoto | 2010-11-07 11:45:19 +0900 | 1 line Formatted code. (Tabify, etc) ........ r86283 | hirokazu.yamamoto | 2010-11-07 18:23:15 +0900 | 1 line Issue #6317: Now winsound.PlaySound can accept non ascii filename. ........ r86285 | hirokazu.yamamoto | 2010-11-07 20:07:44 +0900 | 1 line Reformatted code a bit. ........
1 parent 0333517
Tip revision: 69f9f201d9bd03dd30e19274a8f3965b758b9b41 authored by Hirokazu Yamamoto on 07 November 2010, 12:11:28 UTC
Blocked revisions 86168,86211,86281,86283,86285 via svnmerge
Blocked revisions 86168,86211,86281,86283,86285 via svnmerge
Tip revision: 69f9f20
unicodectype.c
/*
Unicode character type helpers.
Written by Marc-Andre Lemburg (mal@lemburg.com).
Modified for Python 2.0 by Fredrik Lundh (fredrik@pythonware.com)
Copyright (c) Corporation for National Research Initiatives.
*/
#include "Python.h"
#include "unicodeobject.h"
#define ALPHA_MASK 0x01
#define DECIMAL_MASK 0x02
#define DIGIT_MASK 0x04
#define LOWER_MASK 0x08
#define LINEBREAK_MASK 0x10
#define SPACE_MASK 0x20
#define TITLE_MASK 0x40
#define UPPER_MASK 0x80
#define NODELTA_MASK 0x100
#define NUMERIC_MASK 0x200
typedef struct {
const Py_UNICODE upper;
const Py_UNICODE lower;
const Py_UNICODE title;
const unsigned char decimal;
const unsigned char digit;
const unsigned short flags;
} _PyUnicode_TypeRecord;
#include "unicodetype_db.h"
static const _PyUnicode_TypeRecord *
gettyperecord(Py_UNICODE code)
{
int index;
#ifdef Py_UNICODE_WIDE
if (code >= 0x110000)
index = 0;
else
#endif
{
index = index1[(code>>SHIFT)];
index = index2[(index<<SHIFT)+(code&((1<<SHIFT)-1))];
}
return &_PyUnicode_TypeRecords[index];
}
/* Returns the titlecase Unicode characters corresponding to ch or just
ch if no titlecase mapping is known. */
Py_UNICODE _PyUnicode_ToTitlecase(register Py_UNICODE ch)
{
const _PyUnicode_TypeRecord *ctype = gettyperecord(ch);
int delta = ctype->title;
if (ctype->flags & NODELTA_MASK)
return delta;
if (delta >= 32768)
delta -= 65536;
return ch + delta;
}
/* Returns 1 for Unicode characters having the category 'Lt', 0
otherwise. */
int _PyUnicode_IsTitlecase(Py_UNICODE ch)
{
const _PyUnicode_TypeRecord *ctype = gettyperecord(ch);
return (ctype->flags & TITLE_MASK) != 0;
}
/* Returns the integer decimal (0-9) for Unicode characters having
this property, -1 otherwise. */
int _PyUnicode_ToDecimalDigit(Py_UNICODE ch)
{
const _PyUnicode_TypeRecord *ctype = gettyperecord(ch);
return (ctype->flags & DECIMAL_MASK) ? ctype->decimal : -1;
}
int _PyUnicode_IsDecimalDigit(Py_UNICODE ch)
{
if (_PyUnicode_ToDecimalDigit(ch) < 0)
return 0;
return 1;
}
/* Returns the integer digit (0-9) for Unicode characters having
this property, -1 otherwise. */
int _PyUnicode_ToDigit(Py_UNICODE ch)
{
const _PyUnicode_TypeRecord *ctype = gettyperecord(ch);
return (ctype->flags & DIGIT_MASK) ? ctype->digit : -1;
}
int _PyUnicode_IsDigit(Py_UNICODE ch)
{
if (_PyUnicode_ToDigit(ch) < 0)
return 0;
return 1;
}
/* Returns the numeric value as double for Unicode characters having
this property, -1.0 otherwise. */
int _PyUnicode_IsNumeric(Py_UNICODE ch)
{
const _PyUnicode_TypeRecord *ctype = gettyperecord(ch);
return (ctype->flags & NUMERIC_MASK) != 0;
}
#ifndef WANT_WCTYPE_FUNCTIONS
/* Returns 1 for Unicode characters having the category 'Ll', 0
otherwise. */
int _PyUnicode_IsLowercase(Py_UNICODE ch)
{
const _PyUnicode_TypeRecord *ctype = gettyperecord(ch);
return (ctype->flags & LOWER_MASK) != 0;
}
/* Returns 1 for Unicode characters having the category 'Lu', 0
otherwise. */
int _PyUnicode_IsUppercase(Py_UNICODE ch)
{
const _PyUnicode_TypeRecord *ctype = gettyperecord(ch);
return (ctype->flags & UPPER_MASK) != 0;
}
/* Returns the uppercase Unicode characters corresponding to ch or just
ch if no uppercase mapping is known. */
Py_UNICODE _PyUnicode_ToUppercase(Py_UNICODE ch)
{
const _PyUnicode_TypeRecord *ctype = gettyperecord(ch);
int delta = ctype->upper;
if (ctype->flags & NODELTA_MASK)
return delta;
if (delta >= 32768)
delta -= 65536;
return ch + delta;
}
/* Returns the lowercase Unicode characters corresponding to ch or just
ch if no lowercase mapping is known. */
Py_UNICODE _PyUnicode_ToLowercase(Py_UNICODE ch)
{
const _PyUnicode_TypeRecord *ctype = gettyperecord(ch);
int delta = ctype->lower;
if (ctype->flags & NODELTA_MASK)
return delta;
if (delta >= 32768)
delta -= 65536;
return ch + delta;
}
/* Returns 1 for Unicode characters having the category 'Ll', 'Lu', 'Lt',
'Lo' or 'Lm', 0 otherwise. */
int _PyUnicode_IsAlpha(Py_UNICODE ch)
{
const _PyUnicode_TypeRecord *ctype = gettyperecord(ch);
return (ctype->flags & ALPHA_MASK) != 0;
}
#else
/* Export the interfaces using the wchar_t type for portability
reasons: */
int _PyUnicode_IsLowercase(Py_UNICODE ch)
{
return iswlower(ch);
}
int _PyUnicode_IsUppercase(Py_UNICODE ch)
{
return iswupper(ch);
}
Py_UNICODE _PyUnicode_ToLowercase(Py_UNICODE ch)
{
return towlower(ch);
}
Py_UNICODE _PyUnicode_ToUppercase(Py_UNICODE ch)
{
return towupper(ch);
}
int _PyUnicode_IsAlpha(Py_UNICODE ch)
{
return iswalpha(ch);
}
#endif
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