diff options
Diffstat (limited to 'config/essentials/vis/vis-ultisnips/snipmate-parser.lua')
| -rw-r--r-- | config/essentials/vis/vis-ultisnips/snipmate-parser.lua | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/config/essentials/vis/vis-ultisnips/snipmate-parser.lua b/config/essentials/vis/vis-ultisnips/snipmate-parser.lua deleted file mode 100644 index 9d735f1..0000000 --- a/config/essentials/vis/vis-ultisnips/snipmate-parser.lua +++ /dev/null @@ -1,128 +0,0 @@ --------------------------------------------------------------------------------- --- Module table - -local M = {} - -local lpeg = require('lpeg') - - - --------------------------------------------------------------------------------- --- lpeg rules - --- Base definitions --- local tws = lpeg.S' ' ^ 1 -local tnewline = lpeg.S'\n' --- local tlowcasedword = lpeg.R'az' ^ 1 -local tdigit = lpeg.locale()['digit'] -local talphanum = lpeg.locale()['alnum'] -local tanyprintable = lpeg.locale()['print'] --- local tcontrol = lpeg.locale()['cntrl'] -local ttabtrigger = tanyprintable ^ 1 -local ttag = lpeg.Cg(lpeg.Cp(), 'selstart') - * lpeg.P'${' - * lpeg.Cg(tdigit^1, 'tag-order') - * ( - (lpeg.S':' * lpeg.Cg(talphanum^1, 'default-value') * lpeg.S'}') - + lpeg.S'}' - ) - * lpeg.Cg(lpeg.Cp(), 'selend') -local tsnippetdecl = lpeg.P'snippet' * lpeg.S' ' * lpeg.Cg(ttabtrigger, 'tabtrigger') * tnewline -local tsnippetcontent = lpeg.C( - lpeg.Cp() * - (lpeg.S'\t '^1 - * (lpeg.Ct(ttag) + tanyprintable)^1 - * tnewline - )^1 - ) - --- Constructs -local tsnippet = tsnippetdecl * tsnippetcontent -local tcomment = lpeg.S'#' * tanyprintable^0 * tnewline - --- The way grammar captures: --- Every snippet gets its own table, and every table has: --- 'tabtrigger' - the tabtrigger --- [1] - full content --- [2] - start of snippet content (need to subtract from selstart/selend --- [3..n] - tags -local tsnippetsfile = lpeg.Ct((tcomment + lpeg.Ct(tsnippet) + tnewline) ^1) - --------------------------------------------------------------------------------- --- Functions - -local function trim_tabs(content) - local trim = function (s) - return (string.gsub(s, "^\t(.-)$", "%1")) - end - - local ret='' - for str in string.gmatch(content, '([^\n]+)') do - ret = ret .. trim(str) .. '\n' - end - return ret -end - --- Tags are on the top level of th table, --- defined starting with index '3' --- Index '2' is start of the content --- Structure: --- { tag-order: int --- , selstart: int --- , selend: int --- , default-value: str --- } -local function extract_tags(tableau) - local tags = {} - for k,v in ipairs(tableau) do - if k >= 3 then -- Only process starting with ix 2 - tags[k - 2] = { selstart = v.selstart - tableau[2] - 1 - , selend = v.selend - tableau[2] - 1 - , default = v['default-value'] - , order = v['tag-order'] - } --- vis:message('snippet ' .. tableau.tabtrigger .. ' tag ' .. --- tostring(tags[k - 1].order) .. ' has start/end: ' .. --- tostring(tags[k - 1].selstart) .. '/' .. --- tostring(tags[k - 1].selend)) - end - end - return tags -end - -M.load_snippets = function(snippetfile) - local snippets = {} - - local f = io.open(snippetfile, 'r') - if f then - local content = f:read("*all") - - -- TODO hmmm, this'll make whole file unsuable, when it could - -- in fact have usable snippets - local m = tsnippetsfile:match(content) - if not m then - vis:info('Failed to parse SnipMate file: '.. snippetfile) - return nil - else - -- k is index of snippet definition, v is table of snippet def - for _,v in pairs(m) do - snippets[v.tabtrigger] = { description = nil - , options = {} - , content = { str = trim_tabs(v[1]) - , tags = extract_tags(v) - } - } - end - end - - f:close() - return snippets, true - else - return snippets, false - end -end - --------------------------------------------------------------------------------- --- End module - -return M |