diff options
Diffstat (limited to 'rubbos/app/tomcat-connectors-1.2.32-src/native/iis/pcre/printint.c')
| -rw-r--r-- | rubbos/app/tomcat-connectors-1.2.32-src/native/iis/pcre/printint.c | 471 |
1 files changed, 471 insertions, 0 deletions
diff --git a/rubbos/app/tomcat-connectors-1.2.32-src/native/iis/pcre/printint.c b/rubbos/app/tomcat-connectors-1.2.32-src/native/iis/pcre/printint.c new file mode 100644 index 00000000..ed184958 --- /dev/null +++ b/rubbos/app/tomcat-connectors-1.2.32-src/native/iis/pcre/printint.c @@ -0,0 +1,471 @@ +/************************************************* +* Perl-Compatible Regular Expressions * +*************************************************/ + +/* +This 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. See +the file Tech.Notes for some information on the internals. + +Written by: Philip Hazel <ph10@cam.ac.uk> + + Copyright (c) 1997-2004 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 a debugging function for printing out the internal form +of a compiled regular expression. It is kept in a separate file so that it can +be #included both in the pcretest program, and in the library itself when +compiled with the debugging switch. */ + + +static const char *OP_names[] = { OP_NAME_LIST }; + + +/************************************************* +* Print single- or multi-byte character * +*************************************************/ + +/* These tables are actually copies of ones in pcre.c. If we compile the +library with debugging, they are included twice, but that isn't really a +problem - compiling with debugging is pretty rare and these are very small. */ + +static const int utf8_t3[] = { 0xff, 0x1f, 0x0f, 0x07, 0x03, 0x01}; + +static const uschar utf8_t4[] = { + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, + 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5 }; + +static int +print_char(FILE *f, uschar *ptr, BOOL utf8) +{ +int c = *ptr; + +if (!utf8 || (c & 0xc0) != 0xc0) + { + if (isprint(c)) fprintf(f, "%c", c); else fprintf(f, "\\x%02x", c); + return 0; + } +else + { + int i; + int a = utf8_t4[c & 0x3f]; /* Number of additional bytes */ + int s = 6*a; + c = (c & utf8_t3[a]) << s; + for (i = 1; i <= a; i++) + { + /* This is a check for malformed UTF-8; it should only occur if the sanity + check has been turned off. Rather than swallow random bytes, just stop if + we hit a bad one. Print it with \X instead of \x as an indication. */ + + if ((ptr[i] & 0xc0) != 0x80) + { + fprintf(f, "\\X{%x}", c); + return i - 1; + } + + /* The byte is OK */ + + s -= 6; + c |= (ptr[i] & 0x3f) << s; + } + if (c < 128) fprintf(f, "\\x%02x", c); else fprintf(f, "\\x{%x}", c); + return a; + } +} + + + + +#ifdef SUPPORT_UCP +/************************************************* +* Find Unicode property name * +*************************************************/ + +static const char * +get_ucpname(int property) +{ +int i; +for (i = sizeof(utt)/sizeof(ucp_type_table); i >= 0; i--) + { + if (property == utt[i].value) break; + } +return (i >= 0)? utt[i].name : "??"; +} +#endif /* SUPPORT_UCP */ + + + +/************************************************* +* Print compiled regex * +*************************************************/ + +/* Make this function work for a regex with integers either byte order. +However, we assume that what we are passed is a compiled regex. */ + +static void +print_internals(pcre *external_re, FILE *f) +{ +real_pcre *re = (real_pcre *)external_re; +uschar *codestart, *code; +BOOL utf8; + +unsigned int options = re->options; +int offset = re->name_table_offset; +int count = re->name_count; +int size = re->name_entry_size; + +if (re->magic_number != MAGIC_NUMBER) + { + offset = ((offset << 8) & 0xff00) | ((offset >> 8) & 0xff); + count = ((count << 8) & 0xff00) | ((count >> 8) & 0xff); + size = ((size << 8) & 0xff00) | ((size >> 8) & 0xff); + options = ((options << 24) & 0xff000000) | + ((options << 8) & 0x00ff0000) | + ((options >> 8) & 0x0000ff00) | + ((options >> 24) & 0x000000ff); + } + +code = codestart = (uschar *)re + offset + count * size; +utf8 = (options & PCRE_UTF8) != 0; + +for(;;) + { + uschar *ccode; + int c; + int extra = 0; + + fprintf(f, "%3d ", code - codestart); + + if (*code >= OP_BRA) + { + if (*code - OP_BRA > EXTRACT_BASIC_MAX) + fprintf(f, "%3d Bra extra\n", GET(code, 1)); + else + fprintf(f, "%3d Bra %d\n", GET(code, 1), *code - OP_BRA); + code += OP_lengths[OP_BRA]; + continue; + } + + switch(*code) + { + case OP_END: + fprintf(f, " %s\n", OP_names[*code]); + fprintf(f, "------------------------------------------------------------------\n"); + return; + + case OP_OPT: + fprintf(f, " %.2x %s", code[1], OP_names[*code]); + break; + + case OP_CHAR: + { + fprintf(f, " "); + do + { + code++; + code += 1 + print_char(f, code, utf8); + } + while (*code == OP_CHAR); + fprintf(f, "\n"); + continue; + } + break; + + case OP_CHARNC: + { + fprintf(f, " NC "); + do + { + code++; + code += 1 + print_char(f, code, utf8); + } + while (*code == OP_CHARNC); + fprintf(f, "\n"); + continue; + } + break; + + case OP_KETRMAX: + case OP_KETRMIN: + case OP_ALT: + case OP_KET: + case OP_ASSERT: + case OP_ASSERT_NOT: + case OP_ASSERTBACK: + case OP_ASSERTBACK_NOT: + case OP_ONCE: + case OP_COND: + case OP_REVERSE: + fprintf(f, "%3d %s", GET(code, 1), OP_names[*code]); + break; + + case OP_BRANUMBER: + printf("%3d %s", GET2(code, 1), OP_names[*code]); + break; + + case OP_CREF: + if (GET2(code, 1) == CREF_RECURSE) + fprintf(f, " Cond recurse"); + else + fprintf(f, "%3d %s", GET2(code,1), OP_names[*code]); + break; + + case OP_STAR: + case OP_MINSTAR: + case OP_PLUS: + case OP_MINPLUS: + case OP_QUERY: + case OP_MINQUERY: + case OP_TYPESTAR: + case OP_TYPEMINSTAR: + case OP_TYPEPLUS: + case OP_TYPEMINPLUS: + case OP_TYPEQUERY: + case OP_TYPEMINQUERY: + fprintf(f, " "); + if (*code >= OP_TYPESTAR) + { + fprintf(f, "%s", OP_names[code[1]]); +#ifdef SUPPORT_UCP + if (code[1] == OP_PROP || code[1] == OP_NOTPROP) + { + fprintf(f, " %s ", get_ucpname(code[2])); + extra = 1; + } +#endif + } + else extra = print_char(f, code+1, utf8); + fprintf(f, "%s", OP_names[*code]); + break; + + case OP_EXACT: + case OP_UPTO: + case OP_MINUPTO: + fprintf(f, " "); + extra = print_char(f, code+3, utf8); + fprintf(f, "{"); + if (*code != OP_EXACT) fprintf(f, ","); + fprintf(f, "%d}", GET2(code,1)); + if (*code == OP_MINUPTO) fprintf(f, "?"); + break; + + case OP_TYPEEXACT: + case OP_TYPEUPTO: + case OP_TYPEMINUPTO: + fprintf(f, " %s", OP_names[code[3]]); +#ifdef SUPPORT_UCP + if (code[3] == OP_PROP || code[3] == OP_NOTPROP) + { + fprintf(f, " %s ", get_ucpname(code[4])); + extra = 1; + } +#endif + fprintf(f, "{"); + if (*code != OP_TYPEEXACT) fprintf(f, "0,"); + fprintf(f, "%d}", GET2(code,1)); + if (*code == OP_TYPEMINUPTO) fprintf(f, "?"); + break; + + case OP_NOT: + if (isprint(c = code[1])) fprintf(f, " [^%c]", c); + else fprintf(f, " [^\\x%02x]", c); + break; + + case OP_NOTSTAR: + case OP_NOTMINSTAR: + case OP_NOTPLUS: + case OP_NOTMINPLUS: + case OP_NOTQUERY: + case OP_NOTMINQUERY: + if (isprint(c = code[1])) fprintf(f, " [^%c]", c); + else fprintf(f, " [^\\x%02x]", c); + fprintf(f, "%s", OP_names[*code]); + break; + + case OP_NOTEXACT: + case OP_NOTUPTO: + case OP_NOTMINUPTO: + if (isprint(c = code[3])) fprintf(f, " [^%c]{", c); + else fprintf(f, " [^\\x%02x]{", c); + if (*code != OP_NOTEXACT) fprintf(f, ","); + fprintf(f, "%d}", GET2(code,1)); + if (*code == OP_NOTMINUPTO) fprintf(f, "?"); + break; + + case OP_RECURSE: + fprintf(f, "%3d %s", GET(code, 1), OP_names[*code]); + break; + + case OP_REF: + fprintf(f, " \\%d", GET2(code,1)); + ccode = code + OP_lengths[*code]; + goto CLASS_REF_REPEAT; + + case OP_CALLOUT: + fprintf(f, " %s %d %d %d", OP_names[*code], code[1], GET(code,2), + GET(code, 2 + LINK_SIZE)); + break; + +#ifdef SUPPORT_UCP + case OP_PROP: + case OP_NOTPROP: + fprintf(f, " %s %s", OP_names[*code], get_ucpname(code[1])); + break; +#endif + + /* OP_XCLASS can only occur in UTF-8 mode. However, there's no harm in + having this code always here, and it makes it less messy without all those + #ifdefs. */ + + case OP_CLASS: + case OP_NCLASS: + case OP_XCLASS: + { + int i, min, max; + BOOL printmap; + + fprintf(f, " ["); + + if (*code == OP_XCLASS) + { + extra = GET(code, 1); + ccode = code + LINK_SIZE + 1; + printmap = (*ccode & XCL_MAP) != 0; + if ((*ccode++ & XCL_NOT) != 0) fprintf(f, "^"); + } + else + { + printmap = TRUE; + ccode = code + 1; + } + + /* Print a bit map */ + + if (printmap) + { + for (i = 0; i < 256; i++) + { + if ((ccode[i/8] & (1 << (i&7))) != 0) + { + int j; + for (j = i+1; j < 256; j++) + if ((ccode[j/8] & (1 << (j&7))) == 0) break; + if (i == '-' || i == ']') fprintf(f, "\\"); + if (isprint(i)) fprintf(f, "%c", i); else fprintf(f, "\\x%02x", i); + if (--j > i) + { + if (j != i + 1) fprintf(f, "-"); + if (j == '-' || j == ']') fprintf(f, "\\"); + if (isprint(j)) fprintf(f, "%c", j); else fprintf(f, "\\x%02x", j); + } + i = j; + } + } + ccode += 32; + } + + /* For an XCLASS there is always some additional data */ + + if (*code == OP_XCLASS) + { + int ch; + while ((ch = *ccode++) != XCL_END) + { +#ifdef SUPPORT_UCP + if (ch == XCL_PROP) + { + fprintf(f, "\\p{%s}", get_ucpname(*ccode++)); + } + else if (ch == XCL_NOTPROP) + { + fprintf(f, "\\P{%s}", get_ucpname(*ccode++)); + } + else +#endif + { + ccode += 1 + print_char(f, ccode, TRUE); + if (ch == XCL_RANGE) + { + fprintf(f, "-"); + ccode += 1 + print_char(f, ccode, TRUE); + } + } + } + } + + /* Indicate a non-UTF8 class which was created by negation */ + + fprintf(f, "]%s", (*code == OP_NCLASS)? " (neg)" : ""); + + /* Handle repeats after a class or a back reference */ + + CLASS_REF_REPEAT: + switch(*ccode) + { + case OP_CRSTAR: + case OP_CRMINSTAR: + case OP_CRPLUS: + case OP_CRMINPLUS: + case OP_CRQUERY: + case OP_CRMINQUERY: + fprintf(f, "%s", OP_names[*ccode]); + extra += OP_lengths[*ccode]; + break; + + case OP_CRRANGE: + case OP_CRMINRANGE: + min = GET2(ccode,1); + max = GET2(ccode,3); + if (max == 0) fprintf(f, "{%d,}", min); + else fprintf(f, "{%d,%d}", min, max); + if (*ccode == OP_CRMINRANGE) fprintf(f, "?"); + extra += OP_lengths[*ccode]; + break; + } + } + break; + + /* Anything else is just an item with no data*/ + + default: + fprintf(f, " %s", OP_names[*code]); + break; + } + + code += OP_lengths[*code] + extra; + fprintf(f, "\n"); + } +} + +/* End of printint.c */ |