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d4de0e6f1e
I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
94 lines
3.9 KiB
Groff
94 lines
3.9 KiB
Groff
.TH PCRE_FULLINFO 3 "24 June 2012" "PCRE 8.30"
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.SH NAME
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PCRE - Perl-compatible regular expressions
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.SH SYNOPSIS
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.rs
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.sp
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.B #include <pcre.h>
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.PP
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.nf
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.B int pcre_fullinfo(const pcre *\fIcode\fP, "const pcre_extra *\fIextra\fP,"
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.B " int \fIwhat\fP, void *\fIwhere\fP);"
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.sp
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.B int pcre16_fullinfo(const pcre16 *\fIcode\fP, "const pcre16_extra *\fIextra\fP,"
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.B " int \fIwhat\fP, void *\fIwhere\fP);"
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.sp
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.B int pcre32_fullinfo(const pcre32 *\fIcode\fP, "const pcre32_extra *\fIextra\fP,"
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.B " int \fIwhat\fP, void *\fIwhere\fP);"
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.fi
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.
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.SH DESCRIPTION
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.rs
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.sp
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This function returns information about a compiled pattern. Its arguments are:
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.sp
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\fIcode\fP Compiled regular expression
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\fIextra\fP Result of \fBpcre[16|32]_study()\fP or NULL
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\fIwhat\fP What information is required
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\fIwhere\fP Where to put the information
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.sp
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The following information is available:
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.sp
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PCRE_INFO_BACKREFMAX Number of highest back reference
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PCRE_INFO_CAPTURECOUNT Number of capturing subpatterns
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PCRE_INFO_DEFAULT_TABLES Pointer to default tables
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PCRE_INFO_FIRSTBYTE Fixed first data unit for a match, or
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-1 for start of string
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or after newline, or
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-2 otherwise
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PCRE_INFO_FIRSTTABLE Table of first data units (after studying)
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PCRE_INFO_HASCRORLF Return 1 if explicit CR or LF matches exist
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PCRE_INFO_JCHANGED Return 1 if (?J) or (?-J) was used
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PCRE_INFO_JIT Return 1 after successful JIT compilation
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PCRE_INFO_JITSIZE Size of JIT compiled code
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PCRE_INFO_LASTLITERAL Literal last data unit required
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PCRE_INFO_MINLENGTH Lower bound length of matching strings
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PCRE_INFO_NAMECOUNT Number of named subpatterns
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PCRE_INFO_NAMEENTRYSIZE Size of name table entry
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PCRE_INFO_NAMETABLE Pointer to name table
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PCRE_INFO_OKPARTIAL Return 1 if partial matching can be tried
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(always returns 1 after release 8.00)
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PCRE_INFO_OPTIONS Option bits used for compilation
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PCRE_INFO_SIZE Size of compiled pattern
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PCRE_INFO_STUDYSIZE Size of study data
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PCRE_INFO_FIRSTCHARACTER Fixed first data unit for a match
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PCRE_INFO_FIRSTCHARACTERFLAGS Returns
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1 if there is a first data character set, which can
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then be retrieved using PCRE_INFO_FIRSTCHARACTER,
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2 if the first character is at the start of the data
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string or after a newline, and
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0 otherwise
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PCRE_INFO_REQUIREDCHAR Literal last data unit required
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PCRE_INFO_REQUIREDCHARFLAGS Returns 1 if the last data character is set (which can then
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be retrieved using PCRE_INFO_REQUIREDCHAR); 0 otherwise
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.sp
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The \fIwhere\fP argument must point to an integer variable, except for the
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following \fIwhat\fP values:
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.sp
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PCRE_INFO_DEFAULT_TABLES const unsigned char *
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PCRE_INFO_FIRSTTABLE const unsigned char *
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PCRE_INFO_NAMETABLE PCRE_SPTR16 (16-bit library)
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PCRE_INFO_NAMETABLE PCRE_SPTR32 (32-bit library)
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PCRE_INFO_NAMETABLE const unsigned char * (8-bit library)
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PCRE_INFO_OPTIONS unsigned long int
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PCRE_INFO_SIZE size_t
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PCRE_INFO_FIRSTCHARACTER uint32_t
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PCRE_INFO_REQUIREDCHAR uint32_t
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.sp
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The yield of the function is zero on success or:
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.sp
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PCRE_ERROR_NULL the argument \fIcode\fP was NULL
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the argument \fIwhere\fP was NULL
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PCRE_ERROR_BADMAGIC the "magic number" was not found
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PCRE_ERROR_BADOPTION the value of \fIwhat\fP was invalid
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.P
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There is a complete description of the PCRE native API in the
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.\" HREF
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\fBpcreapi\fP
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.\"
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page and a description of the POSIX API in the
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.\" HREF
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\fBpcreposix\fP
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.\"
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page.
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