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Diffstat (limited to 'plugins/Pcre16/src/pcre_xclass.c')
| -rw-r--r-- | plugins/Pcre16/src/pcre_xclass.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/plugins/Pcre16/src/pcre_xclass.c b/plugins/Pcre16/src/pcre_xclass.c deleted file mode 100644 index c2b61f0f92..0000000000 --- a/plugins/Pcre16/src/pcre_xclass.c +++ /dev/null @@ -1,268 +0,0 @@ -/************************************************* -* Perl-Compatible Regular Expressions * -*************************************************/ - -/* PCRE is a library of functions to support regular expressions whose syntax -and semantics are as close as possible to those of the Perl 5 language. - - Written by Philip Hazel - Copyright (c) 1997-2013 University of Cambridge - ------------------------------------------------------------------------------ -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - * Neither the name of the University of Cambridge nor the names of its - contributors may be used to endorse or promote products derived from - this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. ------------------------------------------------------------------------------ -*/ - - -/* This module contains an internal function that is used to match an extended -class. It is used by both pcre_exec() and pcre_def_exec(). */ - - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "pcre_internal.h" - - -/************************************************* -* Match character against an XCLASS * -*************************************************/ - -/* This function is called to match a character against an extended class that -might contain values > 255 and/or Unicode properties. - -Arguments: - c the character - data points to the flag byte of the XCLASS data - -Returns: TRUE if character matches, else FALSE -*/ - -BOOL -PRIV(xclass)(pcre_uint32 c, const pcre_uchar *data, BOOL utf) -{ -pcre_uchar t; -BOOL negated = (*data & XCL_NOT) != 0; - -(void)utf; -#ifdef COMPILE_PCRE8 -/* In 8 bit mode, this must always be TRUE. Help the compiler to know that. */ -utf = TRUE; -#endif - -/* 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 -additional data. */ - -if (c < 256) - { - if ((*data & XCL_HASPROP) == 0) - { - if ((*data & XCL_MAP) == 0) return negated; - return (((pcre_uint8 *)(data + 1))[c/8] & (1 << (c&7))) != 0; - } - if ((*data & XCL_MAP) != 0 && - (((pcre_uint8 *)(data + 1))[c/8] & (1 << (c&7))) != 0) - return !negated; /* char found */ - } - -/* 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 -encounter XCL_PROP or XCL_NOTPROP when UCP support is not compiled. */ - -if ((*data++ & XCL_MAP) != 0) data += 32 / sizeof(pcre_uchar); - -while ((t = *data++) != XCL_END) - { - pcre_uint32 x, y; - if (t == XCL_SINGLE) - { -#ifdef SUPPORT_UTF - if (utf) - { - GETCHARINC(x, data); /* macro generates multiple statements */ - } - else -#endif - x = *data++; - if (c == x) return !negated; - } - else if (t == XCL_RANGE) - { -#ifdef SUPPORT_UTF - 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; - } - -#ifdef SUPPORT_UCP - else /* XCL_PROP & XCL_NOTPROP */ - { - const ucd_record *prop = GET_UCD(c); - BOOL isprop = t == XCL_PROP; - - switch(*data) - { - case PT_ANY: - if (isprop) return !negated; - break; - - case PT_LAMP: - if ((prop->chartype == ucp_Lu || prop->chartype == ucp_Ll || - prop->chartype == ucp_Lt) == isprop) return !negated; - break; - - case PT_GC: - if ((data[1] == PRIV(ucp_gentype)[prop->chartype]) == isprop) - return !negated; - break; - - case PT_PC: - if ((data[1] == prop->chartype) == isprop) return !negated; - break; - - case PT_SC: - if ((data[1] == prop->script) == isprop) return !negated; - break; - - case PT_ALNUM: - if ((PRIV(ucp_gentype)[prop->chartype] == ucp_L || - PRIV(ucp_gentype)[prop->chartype] == ucp_N) == isprop) - return !negated; - break; - - /* Perl space used to exclude VT, but from Perl 5.18 it is included, - which means that Perl space and POSIX space are now identical. PCRE - was changed at release 8.34. */ - - case PT_SPACE: /* Perl space */ - case PT_PXSPACE: /* POSIX space */ - switch(c) - { - HSPACE_CASES: - VSPACE_CASES: - if (isprop) return !negated; - break; - - default: - if ((PRIV(ucp_gentype)[prop->chartype] == ucp_Z) == isprop) - return !negated; - break; - } - break; - - case PT_WORD: - if ((PRIV(ucp_gentype)[prop->chartype] == ucp_L || - PRIV(ucp_gentype)[prop->chartype] == ucp_N || c == CHAR_UNDERSCORE) - == isprop) - return !negated; - break; - - case PT_UCNC: - if (c < 0xa0) - { - if ((c == CHAR_DOLLAR_SIGN || c == CHAR_COMMERCIAL_AT || - c == CHAR_GRAVE_ACCENT) == isprop) - return !negated; - } - else - { - if ((c < 0xd800 || c > 0xdfff) == isprop) - return !negated; - } - break; - - /* The following three properties can occur only in an XCLASS, as there - is no \p or \P coding for them. */ - - /* Graphic character. Implement this as not Z (space or separator) and - not C (other), except for Cf (format) with a few exceptions. This seems - to be what Perl does. The exceptional characters are: - - U+061C Arabic Letter Mark - U+180E Mongolian Vowel Separator - U+2066 - U+2069 Various "isolate"s - */ - - case PT_PXGRAPH: - if ((PRIV(ucp_gentype)[prop->chartype] != ucp_Z && - (PRIV(ucp_gentype)[prop->chartype] != ucp_C || - (prop->chartype == ucp_Cf && - c != 0x061c && c != 0x180e && (c < 0x2066 || c > 0x2069)) - )) == isprop) - return !negated; - break; - - /* Printable character: same as graphic, with the addition of Zs, i.e. - not Zl and not Zp, and U+180E. */ - - case PT_PXPRINT: - if ((prop->chartype != ucp_Zl && - prop->chartype != ucp_Zp && - (PRIV(ucp_gentype)[prop->chartype] != ucp_C || - (prop->chartype == ucp_Cf && - c != 0x061c && (c < 0x2066 || c > 0x2069)) - )) == isprop) - return !negated; - break; - - /* Punctuation: all Unicode punctuation, plus ASCII characters that - Unicode treats as symbols rather than punctuation, for Perl - compatibility (these are $+<=>^`|~). */ - - case PT_PXPUNCT: - if ((PRIV(ucp_gentype)[prop->chartype] == ucp_P || - (c < 256 && PRIV(ucp_gentype)[prop->chartype] == ucp_S)) == isprop) - return !negated; - break; - - /* This should never occur, but compilers may mutter if there is no - default. */ - - default: - return FALSE; - } - - data += 2; - } -#endif /* SUPPORT_UCP */ - } - -return negated; /* char did not match */ -} - -/* End of pcre_xclass.c */ |