diff options
Diffstat (limited to 'Master/texmf-dist/context/data/scite/context/lexers/scite-context-lexer-txt.lua')
-rw-r--r-- | Master/texmf-dist/context/data/scite/context/lexers/scite-context-lexer-txt.lua | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/Master/texmf-dist/context/data/scite/context/lexers/scite-context-lexer-txt.lua b/Master/texmf-dist/context/data/scite/context/lexers/scite-context-lexer-txt.lua new file mode 100644 index 00000000000..43eec2c3522 --- /dev/null +++ b/Master/texmf-dist/context/data/scite/context/lexers/scite-context-lexer-txt.lua @@ -0,0 +1,80 @@ +local info = { + version = 1.002, + comment = "scintilla lpeg lexer for plain text (with spell checking)", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files", +} + +local P, S, Cmt, Cp = lpeg.P, lpeg.S, lpeg.Cmt, lpeg.Cp +local find, match = string.find, string.match + +local lexer = require("lexer") +local context = lexer.context +local patterns = context.patterns + +local token = lexer.token + +local textlexer = lexer.new("txt","scite-context-lexer-txt") +local whitespace = textlexer.whitespace + +local space = patterns.space +local any = patterns.any +local wordtoken = patterns.wordtoken +local wordpattern = patterns.wordpattern + +local checkedword = context.checkedword +local styleofword = context.styleofword +local setwordlist = context.setwordlist +local validwords = false +local validminimum = 3 + +-- local styleset = context.newstyleset { +-- "default", +-- "text", "okay", "error", "warning", +-- "preamble", +-- } + +-- [#!-%] language=uk + +local p_preamble = Cmt((S("#!-%") * P(" ")), function(input,i,_) -- todo: utf bomb no longer # + if i == 1 then -- < 10 then + validwords, validminimum = false, 3 + local s, e, line = find(input,"^[#!%-%%](.+)[\n\r]",i) + if line then + local language = match(line,"language=([a-z]+)") + if language then + validwords, validminimum = setwordlist(language) + end + end + end + return false +end) + +local t_preamble = + token("preamble", p_preamble) + +local t_word = + wordpattern / function(s) return styleofword(validwords,validminimum,s) end * Cp() -- the function can be inlined + +local t_text = + token("default", wordtoken^1) + +local t_rest = + token("default", (1-wordtoken-space)^1) + +local t_spacing = + token(whitespace, space^1) + +textlexer._rules = { + { "whitespace", t_spacing }, + { "preamble", t_preamble }, + { "word", t_word }, -- words >= 3 + { "text", t_text }, -- non words + { "rest", t_rest }, +} + +textlexer._LEXBYLINE = true -- new (needs testing, not yet as the system changed in 3.24) +textlexer._tokenstyles = context.styleset + +return textlexer |