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- #------------------------------------------------------------------------------
- # $File: c-lang,v 1.32 2023/06/16 19:57:19 christos Exp $
- # c-lang: file(1) magic for C and related languages programs
- #
- # The strength is to beat standard HTML
- # BCPL
- 0 search/8192 "libhdr" BCPL source text
- !:mime text/x-bcpl
- 0 search/8192 "LIBHDR" BCPL source text
- !:mime text/x-bcpl
- # C
- # Check for class if include is found, otherwise class is beaten by include because of lowered strength
- 0 search/8192 #include
- >0 regex \^#include C
- >>0 regex \^class[[:space:]]+
- >>>&0 regex \\{[\.\*]\\}(;)?$ \b++
- >>&0 clear x source text
- !:strength + 15
- !:mime text/x-c
- 0 search/8192 pragma
- >0 regex \^#[[:space:]]*pragma C source text
- !:mime text/x-c
- 0 search/8192 endif
- >0 regex \^#[[:space:]]*(if\|ifn)def
- >>&0 regex \^#[[:space:]]*endif$ C source text
- !:mime text/x-c
- 0 search/8192 define
- >0 regex \^#[[:space:]]*(if\|ifn)def
- >>&0 regex \^#[[:space:]]*define C source text
- !:mime text/x-c
- 0 search/8192 char
- >0 regex \^[[:space:]]*char(\ \\*|\\*)(.+)(=.*)?;[[:space:]]*$ C source text
- !:mime text/x-c
- 0 search/8192 double
- >0 regex \^[[:space:]]*double(\ \\*|\\*)(.+)(=.*)?;[[:space:]]*$ C source text
- !:mime text/x-c
- 0 search/8192 extern
- >0 regex \^[[:space:]]*extern[[:space:]]+ C source text
- !:mime text/x-c
- 0 search/8192 float
- >0 regex \^[[:space:]]*float(\ \\*|\\*)(.+)(=.*)?;[[:space:]]*$ C source text
- !:mime text/x-c
- 0 search/8192 struct
- >0 regex \^struct[[:space:]]+ C source text
- !:mime text/x-c
- 0 search/8192 union
- >0 regex \^union[[:space:]]+ C source text
- !:mime text/x-c
- 0 search/8192 main(
- >&0 search/64 String Java source text
- !:mime text/x-java
- >&0 default x
- >>&0 regex \\)[[:space:]]*\\{ C source text
- !:mime text/x-c
- # C++
- # The strength of these rules is increased so they beat the C rules above
- 0 search/8192 namespace
- >0 regex \^namespace[[:space:]]+[_[:alpha:]]{1,30}[[:space:]]*\\{ C++ source text
- !:strength + 30
- !:mime text/x-c++
- # using namespace [namespace] or using std::[lib]
- 0 search/8192 using
- >0 regex \^using[[:space:]]+(namespace\ )?std(::)?[[:alpha:]]*[[:space:]]*; C++ source text
- !:strength + 30
- !:mime text/x-c++
- 0 search/8192 template
- >0 regex \^[[:space:]]*template[[:space:]]*<.*>[[:space:]]*$ C++ source text
- !:strength + 30
- !:mime text/x-c++
- 0 search/8192 virtual
- >0 regex \^[[:space:]]*virtual[[:space:]]+.*[};][[:space:]]*$ C++ source text
- !:strength + 30
- !:mime text/x-c++
- # But class alone is reduced to avoid beating php (Jens Schleusener)
- 0 search/8192 class
- >0 regex \^[[:space:]]*class[[:space:]]+[[:digit:][:alpha:]:_]+[[:space:]]*\\{(.*[\n]*)*\\}(;)?$ C++ source text
- !:strength + 13
- !:mime text/x-c++
- 0 search/8192 public
- >0 regex \^[[:space:]]*public: C++ source text
- !:strength + 30
- !:mime text/x-c++
- 0 search/8192 private
- >0 regex \^[[:space:]]*private: C++ source text
- !:strength + 30
- !:mime text/x-c++
- 0 search/8192 protected
- >0 regex \^[[:space:]]*protected: C++ source text
- !:strength + 30
- !:mime text/x-c++
- # Objective-C
- 0 search/8192 #import
- >0 regex \^#import[[:space:]]+["<] Objective-C source text
- !:strength + 25
- !:mime text/x-objective-c
- # From: Mikhail Teterin <mi@aldan.algebra.com>
- 0 string cscope cscope reference data
- >7 string x version %.2s
- # We skip the path here, because it is often long (so file will
- # truncate it) and mostly redundant.
- # The inverted index functionality was added some time between
- # versions 11 and 15, so look for -q if version is above 14:
- >7 string >14
- >>10 search/100 \ -q\ with inverted index
- >10 search/100 \ -c\ text (non-compressed)
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