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|
#! /usr/bin/env crystal
{% if Regex::Engine.resolve.name == "Regex::PCRE2" %}
enum LibPCRE2::BSR : UInt32
UNICODE = 1
ANYCRLF = 2
end
@[Flags]
enum LibPCRE2::COMPILED_WIDTHS : UInt32
U8
U16
U32
Unused
end
enum LibPCRE2::NEWLINE : UInt32
CR = 1
LF = 2
CRLF = 3
ANY = 4
ANYCRLF = 5
NUL = 6
end
def config(kind : UInt32.class, what)
where = uninitialized UInt32
LibPCRE2.config(what, pointerof(where))
where
end
def config(kind : Bool.class, what)
config(UInt32, what) != 0
end
def config(kind : String.class, what)
len = LibPCRE2.config(what, nil)
if len > 0
where = Bytes.new(len - 1)
LibPCRE2.config(what, where)
ret = String.new(where)
end
ret.inspect
end
def config(kind : Enum.class, what)
kind.new(config(UInt32, what))
end
puts <<-EOS
Using PCRE2 #{config(String, LibPCRE2::CONFIG_VERSION)}
* PCRE2_CONFIG_BSR: #{config(LibPCRE2::BSR, LibPCRE2::CONFIG_BSR)}
* PCRE2_CONFIG_COMPILED_WIDTHS: #{config(LibPCRE2::COMPILED_WIDTHS, LibPCRE2::CONFIG_COMPILED_WIDTHS)}
* PCRE2_CONFIG_DEPTHLIMIT: #{config(UInt32, LibPCRE2::CONFIG_DEPTHLIMIT)}
* PCRE2_CONFIG_HEAPLIMIT: #{config(UInt32, LibPCRE2::CONFIG_HEAPLIMIT)}
* PCRE2_CONFIG_JIT: #{config(Bool, LibPCRE2::CONFIG_JIT)}
* PCRE2_CONFIG_JITTARGET: #{config(String, LibPCRE2::CONFIG_JITTARGET)}
* PCRE2_CONFIG_LINKSIZE: #{config(UInt32, LibPCRE2::CONFIG_LINKSIZE)}
* PCRE2_CONFIG_MATCHLIMIT: #{config(UInt32, LibPCRE2::CONFIG_MATCHLIMIT)}
* PCRE2_CONFIG_NEVER_BACKSLASH_C: #{config(Bool, LibPCRE2::CONFIG_NEVER_BACKSLASH_C)}
* PCRE2_CONFIG_NEWLINE: #{config(LibPCRE2::NEWLINE, LibPCRE2::CONFIG_NEWLINE)}
* PCRE2_CONFIG_PARENSLIMIT: #{config(UInt32, LibPCRE2::CONFIG_PARENSLIMIT)}
* PCRE2_CONFIG_UNICODE: #{config(Bool, LibPCRE2::CONFIG_UNICODE)}
* PCRE2_CONFIG_UNICODE_VERSION: #{config(String, LibPCRE2::CONFIG_UNICODE_VERSION)}
EOS
{% else %}
enum LibPCRE::BSR : LibC::Int
UNICODE = 0
ANYCRLF = 1
end
enum LibPCRE::NEWLINE : LibC::Int
CR = 0x000d
LF = 0x000a
CRLF = 0x0d0a
ANYCRLF = -2
ANY = -1
end
lib LibPCRE
CONFIG_UTF8 = 0
CONFIG_NEWLINE = 1
CONFIG_LINK_SIZE = 2
CONFIG_POSIX_MALLOC_THRESHOLD = 3
CONFIG_MATCH_LIMIT = 4
CONFIG_STACKRECURSE = 5
CONFIG_UNICODE_PROPERTIES = 6
CONFIG_MATCH_LIMIT_RECURSION = 7
CONFIG_BSR = 8
CONFIG_UTF16 = 10
CONFIG_JITTARGET = 11
CONFIG_UTF32 = 12
CONFIG_PARENS_LIMIT = 13
end
def config(kind : LibC::Int.class, what)
where = uninitialized LibC::Int
LibPCRE.config(what, pointerof(where))
where
end
def config(kind : LibC::ULong.class, what)
where = uninitialized LibC::ULong
LibPCRE.config(what, pointerof(where))
where
end
def config(kind : Bool.class, what)
config(LibC::Int, what) != 0
end
def config(kind : String.class, what)
where = uninitialized LibC::Char*
LibPCRE.config(what, pointerof(where))
(where ? String.new(where) : nil).inspect
end
def config(kind : Enum.class, what)
kind.new(config(LibC::Int, what))
end
puts <<-EOS
Using PCRE #{String.new(LibPCRE.version).inspect}
* PCRE_CONFIG_BSR: #{config(LibPCRE::BSR, LibPCRE::CONFIG_BSR)}
* PCRE_CONFIG_JIT: #{config(Bool, LibPCRE::CONFIG_JIT)}
* PCRE_CONFIG_JITTARGET: #{config(String, LibPCRE::CONFIG_JITTARGET)}
* PCRE_CONFIG_LINK_SIZE: #{config(LibC::Int, LibPCRE::CONFIG_LINK_SIZE)}
* PCRE_CONFIG_PARENS_LIMIT: #{config(LibC::ULong, LibPCRE::CONFIG_PARENS_LIMIT)}
* PCRE_CONFIG_MATCH_LIMIT: #{config(LibC::ULong, LibPCRE::CONFIG_MATCH_LIMIT)}
* PCRE_CONFIG_MATCH_LIMIT_RECURSION: #{config(LibC::ULong, LibPCRE::CONFIG_MATCH_LIMIT_RECURSION)}
* PCRE_CONFIG_NEWLINE: #{config(LibPCRE::NEWLINE, LibPCRE::CONFIG_NEWLINE)}
* PCRE_CONFIG_POSIX_MALLOC_THRESHOLD: #{config(LibC::Int, LibPCRE::CONFIG_POSIX_MALLOC_THRESHOLD)}
* PCRE_CONFIG_STACKRECURSE: #{config(Bool, LibPCRE::CONFIG_STACKRECURSE)}
* PCRE_CONFIG_UTF16: #{config(Bool, LibPCRE::CONFIG_UTF16)}
* PCRE_CONFIG_UTF32: #{config(Bool, LibPCRE::CONFIG_UTF32)}
* PCRE_CONFIG_UTF8: #{config(Bool, LibPCRE::CONFIG_UTF8)}
* PCRE_CONFIG_UNICODE_PROPERTIES: #{config(Bool, LibPCRE::CONFIG_UNICODE_PROPERTIES)}
EOS
{% end %}
|
