/[pcre]/code/trunk/doc/pcre_fullinfo.3
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Contents of /code/trunk/doc/pcre_fullinfo.3

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Revision 93 - (show annotations) (download)
Sat Feb 24 21:41:42 2007 UTC (7 years, 5 months ago) by nigel
File size: 2003 byte(s)
Load pcre-7.0 into code/trunk.

1 .TH PCRE_FULLINFO 3
2 .SH NAME
3 PCRE - Perl-compatible regular expressions
4 .SH SYNOPSIS
5 .rs
6 .sp
7 .B #include <pcre.h>
8 .PP
9 .SM
10 .br
11 .B int pcre_fullinfo(const pcre *\fIcode\fP, "const pcre_extra *\fIextra\fP,"
12 .ti +5n
13 .B int \fIwhat\fP, void *\fIwhere\fP);
14 .
15 .SH DESCRIPTION
16 .rs
17 .sp
18 This function returns information about a compiled pattern. Its arguments are:
19 .sp
20 \fIcode\fP Compiled regular expression
21 \fIextra\fP Result of \fBpcre_study()\fP or NULL
22 \fIwhat\fP What information is required
23 \fIwhere\fP Where to put the information
24 .sp
25 The following information is available:
26 .sp
27 PCRE_INFO_BACKREFMAX Number of highest back reference
28 PCRE_INFO_CAPTURECOUNT Number of capturing subpatterns
29 PCRE_INFO_DEFAULT_TABLES Pointer to default tables
30 PCRE_INFO_FIRSTBYTE Fixed first byte for a match, or
31 -1 for start of string
32 or after newline, or
33 -2 otherwise
34 PCRE_INFO_FIRSTTABLE Table of first bytes
35 (after studying)
36 PCRE_INFO_LASTLITERAL Literal last byte required
37 PCRE_INFO_NAMECOUNT Number of named subpatterns
38 PCRE_INFO_NAMEENTRYSIZE Size of name table entry
39 PCRE_INFO_NAMETABLE Pointer to name table
40 PCRE_INFO_OPTIONS Option bits used for compilation
41 PCRE_INFO_SIZE Size of compiled pattern
42 PCRE_INFO_STUDYSIZE Size of study data
43 .sp
44 The yield of the function is zero on success or:
45 .sp
46 PCRE_ERROR_NULL the argument \fIcode\fP was NULL
47 the argument \fIwhere\fP was NULL
48 PCRE_ERROR_BADMAGIC the "magic number" was not found
49 PCRE_ERROR_BADOPTION the value of \fIwhat\fP was invalid
50 .P
51 There is a complete description of the PCRE native API in the
52 .\" HREF
53 \fBpcreapi\fP
54 .\"
55 page and a description of the POSIX API in the
56 .\" HREF
57 \fBpcreposix\fP
58 .\"
59 page.

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