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new by content heuristisc

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Máximo Cuadros
2016-07-14 15:14:32 +02:00
parent e0a990e4ea
commit b1a3085e44
3 changed files with 118 additions and 7 deletions
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71
content.go
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@ -23,27 +23,32 @@ var matchers = map[string]languageMatcher{
".cls": clsExtLanguage,
".m": mExtLanguage,
".ms": msExtLanguage,
".md": mdExtLanguage,
".fs": fsExtLanguage,
".h": hExtLanguage,
".hh": hhExtLanguage,
".l": lExtLanguage,
".n": nExtLanguage,
".lisp": lispExtLanguage,
".lsp": lispExtLanguage,
".pm": pmExtLanguage,
".t": pmExtLanguage,
".rs": rsExtLanguage,
".pl": plExtLanguage,
".pro": proExtLanguage,
".toc": tocExtLanguage,
".sls": slsExtLanguage,
}
var (
cPlusPlusMatcher = substring.BytesOr(
substring.BytesRegexp(`^\s*template\s*<`),
substring.BytesRegexp(`^\s*#\s*include <(cstdint|string|vector|map|list|array|bitset|queue|stack|forward_list|unordered_map|unordered_set|(i|o|io)stream)>`),
substring.BytesRegexp(`^[ \t]*try`),
substring.BytesRegexp(`^[ \t]*(class|(using[ \t]+)?namespace)\s+\w+`),
substring.BytesRegexp(`^[ \t]*(private|public|protected):$`),
substring.BytesRegexp(`\s*template\s*<`),
substring.BytesRegexp(`\s*#\s*include <(cstdint|string|vector|map|list|array|bitset|queue|stack|forward_list|unordered_map|unordered_set|(i|o|io)stream)>`),
substring.BytesRegexp(`\n[ \t]*try`),
substring.BytesRegexp(`\n[ \t]*(class|(using[ \t]+)?namespace)\s+\w+`),
substring.BytesRegexp(`\n[ \t]*(private|public|protected):$`),
substring.BytesRegexp(`std::\w+`),
substring.BytesRegexp(`^[ \t]*catch\s*`),
substring.BytesRegexp(`[ \t]*catch\s*`),
)
)
@ -55,6 +60,20 @@ func incExtLanguage(input []byte) (string, bool) {
return OtherLanguage, true
}
func fsExtLanguage(input []byte) (string, bool) {
if substring.BytesRegexp(`\n(: |new-device)`).Match(input) {
return "Forth", true
} else if substring.BytesRegexp(`\s*(#light|import|let|module|namespace|open|type)`).Match(input) {
return "F#", true
} else if substring.BytesRegexp(`(#version|precision|uniform|varying|vec[234])`).Match(input) {
return "GLSL", true
} else if substring.BytesRegexp(`#include|#pragma\s+(rs|version)|__attribute__`).Match(input) {
return "Filterscript", true
}
return OtherLanguage, true
}
func hExtLanguage(input []byte) (string, bool) {
if objectiveCMatcher.Match(input) {
return "Objective-C", true
@ -65,6 +84,16 @@ func hExtLanguage(input []byte) (string, bool) {
return "C", true
}
func hhExtLanguage(input []byte) (string, bool) {
if substring.BytesRegexp(`^<\?(?:hh)?`).Match(input) {
return "Hack", true
} else if cPlusPlusMatcher.Match(input) {
return "C++", true
}
return OtherLanguage, false
}
func msExtLanguage(input []byte) (string, bool) {
if substring.BytesRegexp(`[.'][a-z][a-z](\s|$)`).Match(input) {
return "Groff", true
@ -179,6 +208,16 @@ func mExtLanguage(input []byte) (string, bool) {
return OtherLanguage, false
}
func mdExtLanguage(input []byte) (string, bool) {
if substring.BytesRegexp(`\n[-a-z0-9=#!\*\[|]`).Match(input) {
return "Markdown", true
} else if substring.BytesRegexp(`\n(;;|\(define_)`).Match(input) {
return "GCC Machine Description", true
}
return OtherLanguage, false
}
var (
prologMatcher = substring.BytesRegexp(`^[^#]+:-`)
perlMatcher = substring.BytesRegexp(`use strict|use\s+v?5\.`)
@ -205,6 +244,16 @@ func pmExtLanguage(input []byte) (string, bool) {
return "Perl", false
}
func rsExtLanguage(input []byte) (string, bool) {
if substring.BytesRegexp(`(use |fn |mod |pub |macro_rules|impl|#!?\[)`).Match(input) {
return "Rust", true
} else if substring.BytesRegexp(`#include|#pragma\s+(rs|version)|__attribute__`).Match(input) {
return "RenderScript", true
}
return OtherLanguage, false
}
func proExtLanguage(input []byte) (string, bool) {
if prologMatcher.Match(input) {
return "Prolog", true
@ -222,3 +271,13 @@ func tocExtLanguage(input []byte) (string, bool) {
return OtherLanguage, false
}
func slsExtLanguage(input []byte) (string, bool) {
if substring.BytesRegexp("## |@no-lib-strip@").Match(input) {
return "World of Warcraft Addon Data", true
} else if substring.BytesRegexp("(contentsline|defcounter|beamer|boolfalse)").Match(input) {
return "TeX", true
}
return OtherLanguage, false
}