version 1.1, 2012/02/21 23:05:51
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version 1.1.1.3, 2013/07/22 08:25:55
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Line 6
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Line 6
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and semantics are as close as possible to those of the Perl 5 language. |
and semantics are as close as possible to those of the Perl 5 language. |
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Written by Philip Hazel |
Written by Philip Hazel |
Copyright (c) 1997-2010 University of Cambridge | Copyright (c) 1997-2013 University of Cambridge |
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----------------------------------------------------------------------------- |
----------------------------------------------------------------------------- |
Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 64 Returns: TRUE if character matches, else FALSE
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Line 64 Returns: TRUE if character matches, else FALSE
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*/ |
*/ |
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BOOL |
BOOL |
_pcre_xclass(int c, const uschar *data) | PRIV(xclass)(pcre_uint32 c, const pcre_uchar *data, BOOL utf) |
{ |
{ |
int t; | pcre_uchar t; |
BOOL negated = (*data & XCL_NOT) != 0; |
BOOL negated = (*data & XCL_NOT) != 0; |
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(void)utf; |
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#ifdef COMPILE_PCRE8 |
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/* In 8 bit mode, this must always be TRUE. Help the compiler to know that. */ |
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utf = TRUE; |
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#endif |
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/* Character values < 256 are matched against a bitmap, if one is present. If |
/* Character values < 256 are matched against a bitmap, if one is present. If |
not, we still carry on, because there may be ranges that start below 256 in the |
not, we still carry on, because there may be ranges that start below 256 in the |
additional data. */ |
additional data. */ |
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if (c < 256) |
if (c < 256) |
{ |
{ |
if ((*data & XCL_MAP) != 0 && (data[1 + c/8] & (1 << (c&7))) != 0) | if ((*data & XCL_MAP) != 0 && |
return !negated; /* char found */ | (((pcre_uint8 *)(data + 1))[c/8] & (1 << (c&7))) != 0) |
| return !negated; /* char found */ |
} |
} |
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/* First skip the bit map if present. Then match against the list of Unicode |
/* First skip the bit map if present. Then match against the list of Unicode |
properties or large chars or ranges that end with a large char. We won't ever |
properties or large chars or ranges that end with a large char. We won't ever |
encounter XCL_PROP or XCL_NOTPROP when UCP support is not compiled. */ |
encounter XCL_PROP or XCL_NOTPROP when UCP support is not compiled. */ |
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if ((*data++ & XCL_MAP) != 0) data += 32; | if ((*data++ & XCL_MAP) != 0) data += 32 / sizeof(pcre_uchar); |
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while ((t = *data++) != XCL_END) |
while ((t = *data++) != XCL_END) |
{ |
{ |
int x, y; | pcre_uint32 x, y; |
if (t == XCL_SINGLE) |
if (t == XCL_SINGLE) |
{ |
{ |
GETCHARINC(x, data); | #ifdef SUPPORT_UTF |
| if (utf) |
| { |
| GETCHARINC(x, data); /* macro generates multiple statements */ |
| } |
| else |
| #endif |
| x = *data++; |
if (c == x) return !negated; |
if (c == x) return !negated; |
} |
} |
else if (t == XCL_RANGE) |
else if (t == XCL_RANGE) |
{ |
{ |
GETCHARINC(x, data); | #ifdef SUPPORT_UTF |
GETCHARINC(y, data); | if (utf) |
| { |
| GETCHARINC(x, data); /* macro generates multiple statements */ |
| GETCHARINC(y, data); /* macro generates multiple statements */ |
| } |
| else |
| #endif |
| { |
| x = *data++; |
| y = *data++; |
| } |
if (c >= x && c <= y) return !negated; |
if (c >= x && c <= y) return !negated; |
} |
} |
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Line 117 while ((t = *data++) != XCL_END)
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Line 141 while ((t = *data++) != XCL_END)
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break; |
break; |
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case PT_GC: |
case PT_GC: |
if ((data[1] == _pcre_ucp_gentype[prop->chartype]) == (t == XCL_PROP)) | if ((data[1] == PRIV(ucp_gentype)[prop->chartype]) == (t == XCL_PROP)) |
return !negated; |
return !negated; |
break; |
break; |
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Line 130 while ((t = *data++) != XCL_END)
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Line 154 while ((t = *data++) != XCL_END)
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break; |
break; |
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case PT_ALNUM: |
case PT_ALNUM: |
if ((_pcre_ucp_gentype[prop->chartype] == ucp_L || | if ((PRIV(ucp_gentype)[prop->chartype] == ucp_L || |
_pcre_ucp_gentype[prop->chartype] == ucp_N) == (t == XCL_PROP)) | PRIV(ucp_gentype)[prop->chartype] == ucp_N) == (t == XCL_PROP)) |
return !negated; |
return !negated; |
break; |
break; |
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case PT_SPACE: /* Perl space */ |
case PT_SPACE: /* Perl space */ |
if ((_pcre_ucp_gentype[prop->chartype] == ucp_Z || | if ((PRIV(ucp_gentype)[prop->chartype] == ucp_Z || |
c == CHAR_HT || c == CHAR_NL || c == CHAR_FF || c == CHAR_CR) |
c == CHAR_HT || c == CHAR_NL || c == CHAR_FF || c == CHAR_CR) |
== (t == XCL_PROP)) |
== (t == XCL_PROP)) |
return !negated; |
return !negated; |
break; |
break; |
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case PT_PXSPACE: /* POSIX space */ |
case PT_PXSPACE: /* POSIX space */ |
if ((_pcre_ucp_gentype[prop->chartype] == ucp_Z || | if ((PRIV(ucp_gentype)[prop->chartype] == ucp_Z || |
c == CHAR_HT || c == CHAR_NL || c == CHAR_VT || |
c == CHAR_HT || c == CHAR_NL || c == CHAR_VT || |
c == CHAR_FF || c == CHAR_CR) == (t == XCL_PROP)) |
c == CHAR_FF || c == CHAR_CR) == (t == XCL_PROP)) |
return !negated; |
return !negated; |
break; |
break; |
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case PT_WORD: |
case PT_WORD: |
if ((_pcre_ucp_gentype[prop->chartype] == ucp_L || | if ((PRIV(ucp_gentype)[prop->chartype] == ucp_L || |
_pcre_ucp_gentype[prop->chartype] == ucp_N || c == CHAR_UNDERSCORE) | PRIV(ucp_gentype)[prop->chartype] == ucp_N || c == CHAR_UNDERSCORE) |
== (t == XCL_PROP)) |
== (t == XCL_PROP)) |
return !negated; |
return !negated; |
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break; |
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case PT_UCNC: |
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if (c < 0xa0) |
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{ |
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if ((c == CHAR_DOLLAR_SIGN || c == CHAR_COMMERCIAL_AT || |
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c == CHAR_GRAVE_ACCENT) == (t == XCL_PROP)) |
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return !negated; |
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} |
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else |
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{ |
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if ((c < 0xd800 || c > 0xdfff) == (t == XCL_PROP)) |
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return !negated; |
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} |
break; |
break; |
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/* This should never occur, but compilers may mutter if there is no |
/* This should never occur, but compilers may mutter if there is no |