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Oniguruma
=========
https://github.com/kkos/oniguruma
Oniguruma is a modern and flexible regular expressions library. It
encompasses features from different regular expression implementations
that traditionally exist in different languages.
Character encoding can be specified per regular expression object.
Supported character encodings:
ASCII, UTF-8, UTF-16BE, UTF-16LE, UTF-32BE, UTF-32LE,
EUC-JP, EUC-TW, EUC-KR, EUC-CN,
Shift_JIS, Big5, GB18030, KOI8-R, CP1251,
ISO-8859-1, ISO-8859-2, ISO-8859-3, ISO-8859-4, ISO-8859-5,
ISO-8859-6, ISO-8859-7, ISO-8859-8, ISO-8859-9, ISO-8859-10,
ISO-8859-11, ISO-8859-13, ISO-8859-14, ISO-8859-15, ISO-8859-16
* GB18030: contributed by KUBO Takehiro
* CP1251: contributed by Byte
* doc/SYNTAX.md: contributed by seanofw
Version 6.9.6
-------------
* When using configure script, if you have the POSIX API enabled in an earlier version (disabled by default in 6.9.5) and you need application binary compatibility with the POSIX API, specify "--enable-binary-compatible-posix-api=yes" instead of "--enable-posix-api=yes". Starting in 6.9.6, "--enable-posix-api=yes" only supports source-level compatibility for 6.9.5 and earlier about POSIX API. (Issue #210)
* NEW: configure option --enable-binary-compatible-posix-api=[yes/no]
* NEW API: Limiting the maximum number of calls of subexp-call
* NEW API: ONIG_OPTION_NOT_BEGIN_STRING / NOT_END_STRING / NOT_BEGIN_POSITION
* Fixed behavior of ONIG_OPTION_NOTBOL / NOTEOL
* Fixed many problems found by OSS-Fuzz
* Fixed many problems found by Coverity
* Fixed CVE-2020-26159 (This turned out not to be a problem later. #221)
* Under cygwin and mingw, generate and install the libonig.def file (Issue #220)
Version 6.9.5 revised 1
-----------------------
* Fixed Issue #192
Version 6.9.5
-------------
* POSIX API disabled by default for Unix (* Enabled by: configure --enable-posix-api=yes)
* Update Unicode version 13.0.0
* NEW: Code point sequence notation \x{HHHH HHHH ...}, \o{OOOO OOOO ...}
* NEW API: retry limit in search functions
* NEW API: maximum nesting level of subexp call
* Fixed behavior of isolated options in Perl and Java syntaxes. /...(?i).../
Version 6.9.4
-------------
* NEW API: RegSet (set of regexes)
* Fixed CVE-2019-19012
* Fixed CVE-2019-19203 (Does not affect UTF-8, UTF-16 and UTF-32 encodings)
* Fixed CVE-2019-19204 (Affects only PosixBasic, Emacs and Grep syntaxes)
* Fixed CVE-2019-19246
* Fixed some problems (found by libFuzzer test)
Version 6.9.3 (security fix release)
------------------------------------
* Fixed CVE-2019-13224
* Fixed CVE-2019-13225
* Fixed CVE-2019-16163
* Fixed many problems (found by libFuzzer test)
Version 6.9.2 (Reiwa)
---------------------
* add doc/SYNTAX.md
* Direct threaded code (for GCC and Clang)
* Update Unicode version 12.1.0
* NEW: Unicode Text Segment mode option (?y{g}) (?y{w}) (*original)
Version 6.9.1
-------------
* Speed improvement (* especially UTF-8)
Version 6.9.0
-------------
* Update Unicode version 11.0.0
* NEW: add Emoji properties
Version 6.8.2
-------------
* Fix: #80 UChar in header causes issue
* NEW API: onig_set_callout_user_data_of_match_param() (* omission in 6.8.0)
* add doc/CALLOUTS.API and doc/CALLOUTS.API.ja
Version 6.8.1
-------------
* Update shared library version to 5.0.0 for API incompatible changes from 6.7.1
Version 6.8.0
-------------
* Retry-limit-in-match function enabled by default
* NEW: configure option --enable-posix-api=no (* enabled by default)
* NEW API: onig_search_with_param(), onig_match_with_param()
* NEW: Callouts of contents (?{...contents...}) (?{...}\[tag]\[X<>]) (?{{...}})
* NEW: Callouts of name (*name) (*name\[tag]{args...})
* NEW: Builtin callouts (*FAIL) (*MISMATCH) (*ERROR{n}) (*COUNT) (*MAX{n}) etc..
* Examples of Callouts program: [callout.c](sample/callout.c), [count.c](sample/count.c), [echo.c](sample/echo.c)
Version 6.7.1
-------------
* NEW: Mechanism of retry-limit-in-match (* disabled by default)
Version 6.7.0
-------------
* NEW: hexadecimal codepoint \uHHHH
* NEW: add ONIG_SYNTAX_ONIGURUMA (== ONIG_SYNTAX_DEFAULT)
* Disabled \N and \O on ONIG_SYNTAX_RUBY
* Reduced size of object file
Version 6.6.0
-------------
* NEW: ASCII only mode options for character type/property (?WDSP)
* NEW: Extended Grapheme Cluster boundary \y, \Y
* NEW: Extended Grapheme Cluster \X
* Range-clear (Absent-clear) operator restores previous range in retractions.
Version 6.5.0
-------------
* NEW: \K (keep)
* NEW: \R (general newline) \N (no newline)
* NEW: \O (true anychar)
* NEW: if-then-else (?(...)...\|...)
* NEW: Backreference validity checker (?(xxx)) (*original)
* NEW: Absent repeater (?~absent) \[is equal to (?\~\|(?:absent)|\O*)]
* NEW: Absent expression (?~|absent|expr) (*original)
* NEW: Absent stopper (?~|absent) (*original)
License
-------
BSD license.
Install
-------
### Case 1: Linux distribution packages
* Fedora: `dnf install oniguruma`
* RHEL/CentOS: `yum install oniguruma`
* Debian/Ubuntu: `apt install libonig5`
* Arch: `pacman -S oniguruma`
* openSUSE: `zypper install oniguruma`
### Case 2: Manual compilation on Linux, Unix, and Cygwin platform
1. autoreconf -vfi (* case: configure script is not found.)
2. ./configure
3. make
4. make install
* uninstall
make uninstall
* configuration check
onig-config --cflags
onig-config --libs
onig-config --prefix
onig-config --exec-prefix
### Case 3: Windows 64/32bit platform (Visual Studio)
Execute make_win.bat
onig_s.lib: static link library
onig.dll: dynamic link library
* test (ASCII/Shift_JIS)
1. cd src
2. copy ..\windows\testc.c .
3. nmake -f Makefile.windows ctest
(I have checked by Visual Studio Community 2015)
Alternatively, you can build and install oniguruma using [vcpkg](https://github.com/microsoft/vcpkg/) dependency manager:
1. git clone https://github.com/Microsoft/vcpkg.git
2. cd vcpkg
3. ./bootstrap-vcpkg.bat
4. ./vcpkg integrate install
5. ./vcpkg install oniguruma
The oniguruma port in vcpkg is kept up to date by microsoft team members and community contributors.
If the version is out of date, please [create an issue or pull request](https://github.com/Microsoft/vcpkg) on the vcpkg repository.
Regular Expressions
-------------------
See [doc/RE](doc/RE) or [doc/RE.ja](doc/RE.ja) for Japanese.
Usage
-----
Include oniguruma.h in your program. (Oniguruma API)
See doc/API for Oniguruma API.
If you want to disable UChar type (== unsigned char) definition
in oniguruma.h, define ONIG_ESCAPE_UCHAR_COLLISION and then
include oniguruma.h.
If you want to disable regex_t type definition in oniguruma.h,
define ONIG_ESCAPE_REGEX_T_COLLISION and then include oniguruma.h.
Example of the compiling/linking command line in Unix or Cygwin,
(prefix == /usr/local case)
cc sample.c -L/usr/local/lib -lonig
If you want to use static link library(onig_s.lib) in Win32,
add option -DONIG_EXTERN=extern to C compiler.
Sample Programs
---------------
|File |Description |
|:---------------------|:-----------------------------------------|
|sample/callout.c |example of callouts |
|sample/count.c |example of built-in callout *COUNT |
|sample/echo.c |example of user defined callouts of name |
|sample/encode.c |example of some encodings |
|sample/listcap.c |example of the capture history |
|sample/names.c |example of the named group callback |
|sample/posix.c |POSIX API sample |
|sample/regset.c |example of using RegSet API |
|sample/scan.c |example of using onig_scan() |
|sample/simple.c |example of the minimum (Oniguruma API) |
|sample/sql.c |example of the variable meta characters |
|sample/user_property.c|example of user defined Unicode property |
Test Programs
|File |Description |
|:------------------|:--------------------------------------|
|sample/syntax.c |Perl, Java and ASIS syntax test. |
|sample/crnl.c |--enable-crnl-as-line-terminator test |
Source Files
------------
|File |Description |
|:------------------|:-------------------------------------------------------|
|oniguruma.h |Oniguruma API header file (public) |
|onig-config.in |configuration check program template |
|regenc.h |character encodings framework header file |
|regint.h |internal definitions |
|regparse.h |internal definitions for regparse.c and regcomp.c |
|regcomp.c |compiling and optimization functions |
|regenc.c |character encodings framework |
|regerror.c |error message function |
|regext.c |extended API functions (deluxe version API) |
|regexec.c |search and match functions |
|regparse.c |parsing functions. |
|regsyntax.c |pattern syntax functions and built-in syntax definitions|
|regtrav.c |capture history tree data traverse functions |
|regversion.c |version info function |
|st.h |hash table functions header file |
|st.c |hash table functions |
|oniggnu.h |GNU regex API header file (public) |
|reggnu.c |GNU regex API functions |
|onigposix.h |POSIX API header file (public) |
|regposerr.c |POSIX error message function |
|regposix.c |POSIX API functions |
|mktable.c |character type table generator |
|ascii.c |ASCII encoding |
|euc_jp.c |EUC-JP encoding |
|euc_tw.c |EUC-TW encoding |
|euc_kr.c |EUC-KR, EUC-CN encoding |
|sjis.c |Shift_JIS encoding |
|big5.c |Big5 encoding |
|gb18030.c |GB18030 encoding |
|koi8.c |KOI8 encoding |
|koi8_r.c |KOI8-R encoding |
|cp1251.c |CP1251 encoding |
|iso8859_1.c |ISO-8859-1 (Latin-1) |
|iso8859_2.c |ISO-8859-2 (Latin-2) |
|iso8859_3.c |ISO-8859-3 (Latin-3) |
|iso8859_4.c |ISO-8859-4 (Latin-4) |
|iso8859_5.c |ISO-8859-5 (Cyrillic) |
|iso8859_6.c |ISO-8859-6 (Arabic) |
|iso8859_7.c |ISO-8859-7 (Greek) |
|iso8859_8.c |ISO-8859-8 (Hebrew) |
|iso8859_9.c |ISO-8859-9 (Latin-5 or Turkish) |
|iso8859_10.c |ISO-8859-10 (Latin-6 or Nordic) |
|iso8859_11.c |ISO-8859-11 (Thai) |
|iso8859_13.c |ISO-8859-13 (Latin-7 or Baltic Rim) |
|iso8859_14.c |ISO-8859-14 (Latin-8 or Celtic) |
|iso8859_15.c |ISO-8859-15 (Latin-9 or West European with Euro) |
|iso8859_16.c |ISO-8859-16 (Latin-10) |
|utf8.c |UTF-8 encoding |
|utf16_be.c |UTF-16BE encoding |
|utf16_le.c |UTF-16LE encoding |
|utf32_be.c |UTF-32BE encoding |
|utf32_le.c |UTF-32LE encoding |
|unicode.c |common codes of Unicode encoding |
|unicode_fold_data.c|Unicode folding data |
|windows/testc.c |Test program for Windows (VC++) |
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