Add bibclen fixer support

Closes #1910

1 files changed, 74 insertions, 0 deletions

diff --git a/ale_linters/bib/bibclean.vim b/ale_linters/bib/bibclean.vim
new file mode 100644
index 00000000..6750f22f
--- /dev/null
+++ b/ale_linters/bib/bibclean.vim
@@ -0,0 +1,74 @@
+" Author: Horacio Sanson - https://github.com/hsanson
+" Description: Support for bibclean linter for BibTeX files.
+
+call ale#Set('bib_bibclean_executable', 'bibclean')
+
+function! ale_linters#bib#bibclean#GetCommand(buffer) abort
+    let l:executable = ale#Var(a:buffer, 'bib_bibclean_executable')
+
+    return ale#Escape(l:executable) . ' -file-position '
+endfunction
+
+function! ale_linters#bib#bibclean#get_type(str) abort
+    if a:str is# '??'
+       return 'E'
+    else
+       return 'W'
+    endif
+endfunction
+
+function! ale_linters#bib#bibclean#match_msg(line) abort
+    return matchlist(a:line, '^\(.*\) "stdin", line \(.*\): \(.*\)$')
+endfunction
+
+function! ale_linters#bib#bibclean#match_entry(line) abort
+    return matchlist(a:line, 'Entry   input byte=.* line=\(.*\) column=\(.*\) output .*$')
+endfunction
+
+function! ale_linters#bib#bibclean#match_value(line) abort
+    return matchlist(a:line, 'Value   input byte=.* line=\(.*\) column=\(.*\) output .*$')
+endfunction
+
+function! ale_linters#bib#bibclean#Handle(buffer, lines) abort
+    let l:output = []
+
+    let l:type = 'E'
+    let l:msg  = ''
+
+    for l:line in a:lines
+      if empty(l:msg)
+          let l:mlist = ale_linters#bib#bibclean#match_msg(l:line)
+
+          if !empty(l:mlist)
+              let l:msg = l:mlist[3]
+              let l:type = ale_linters#bib#bibclean#get_type(l:mlist[1])
+          endif
+      else
+          if l:type is# 'E'
+               let l:mlist = ale_linters#bib#bibclean#match_entry(l:line)
+          else
+               let l:mlist = ale_linters#bib#bibclean#match_value(l:line)
+          endif
+
+          if !empty(l:mlist)
+            call add(l:output, {
+              \ 'lnum': l:mlist[1],
+              \ 'col': l:mlist[2],
+              \ 'text': l:msg,
+              \ 'type': l:type
+              \})
+             let l:msg = ''
+          endif
+      endif
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('bib', {
+\   'name': 'bibclean',
+\   'executable_callback': ale#VarFunc('bib_bibclean_executable'),
+\   'command_callback': 'ale_linters#bib#bibclean#GetCommand',
+\   'output_stream': 'stderr',
+\   'callback': 'ale_linters#bib#bibclean#Handle',
+\})