Update coc.nvim.

sources_non_forked/coc.nvim/autoload/coc/helper.vim

@@ -0,0 +1,148 @@
+scriptencoding utf-8
+" Helper methods for viml
+
+function! coc#helper#get_charactor(line, col) abort
+  return strchars(strpart(a:line, 0, a:col - 1))
+endfunction
+
+function! coc#helper#last_character(line) abort
+  return strcharpart(a:line, strchars(a:line) - 1, 1)
+endfunction
+
+function! coc#helper#obj_equal(one, two) abort
+  for key in keys(a:one)
+    if a:one[key] != a:two[key]
+      return 0
+    endif
+  endfor
+  return 1
+endfunction
+
+" get change between two lines
+function! coc#helper#str_diff(curr, previous, col) abort
+  let end = strpart(a:curr, a:col - 1)
+  let start = strpart(a:curr, 0, a:col -1)
+  let endOffset = 0
+  let startOffset = 0
+  let currLen = strchars(a:curr)
+  let prevLen = strchars(a:previous)
+  if len(end)
+    let endLen = strchars(end)
+    for i in range(min([prevLen, endLen]))
+      if strcharpart(end, endLen - 1 - i, 1) ==# strcharpart(a:previous, prevLen -1 -i, 1)
+        let endOffset = endOffset + 1
+      else
+        break
+      endif
+    endfor
+  endif
+  let remain = endOffset == 0 ? a:previous : strcharpart(a:previous, 0, prevLen - endOffset)
+  if len(remain)
+    for i in range(min([strchars(remain), strchars(start)]))
+      if strcharpart(remain, i, 1) ==# strcharpart(start, i ,1)
+        let startOffset = startOffset + 1
+      else
+        break
+      endif
+    endfor
+  endif
+  return {
+      \ 'start': startOffset,
+      \ 'end': prevLen - endOffset,
+      \ 'text': strcharpart(a:curr, startOffset, currLen - startOffset - endOffset)
+      \ }
+endfunction
+
+function! coc#helper#str_apply(content, diff) abort
+  let totalLen = strchars(a:content)
+  let endLen = totalLen - a:diff['end']
+  return strcharpart(a:content, 0, a:diff['start']).a:diff['text'].strcharpart(a:content, a:diff['end'], endLen)
+endfunction
+
+" insert inserted to line at position, use ... when result is too long
+" line should only contains character has strwidth equals 1
+function! coc#helper#str_compose(line, position, inserted) abort
+  let width = strwidth(a:line)
+  let text = a:inserted
+  let res = a:line
+  let need_truncate = a:position + strwidth(text) + 1 > width
+  if need_truncate
+    let remain = width - a:position - 3
+    if remain < 2
+      " use text for full line, use first & end of a:line, ignore position
+      let res = strcharpart(a:line, 0, 1)
+      let w = strwidth(res)
+      for i in range(strchars(text))
+        let c = strcharpart(text, i, 1)
+        let a = strwidth(c)
+        if w + a <= width - 1
+          let w = w + a
+          let res = res.c
+        endif
+      endfor
+      let res = res.strcharpart(a:line, w)
+    else
+      let res = strcharpart(a:line, 0, a:position)
+      let w = strwidth(res)
+      for i in range(strchars(text))
+        let c = strcharpart(text, i, 1)
+        let a = strwidth(c)
+        if w + a <= width - 3
+          let w = w + a
+          let res = res.c
+        endif
+      endfor
+      let res = res.'..'
+      let w = w + 2
+      let res = res.strcharpart(a:line, w)
+    endif
+  else
+    let first = strcharpart(a:line, 0, a:position)
+    let res = first.text.strcharpart(a:line, a:position + strwidth(text))
+  endif
+  return res
+endfunction
+
+" Return new dict with keys removed
+function! coc#helper#dict_omit(dict, keys) abort
+  let res = {}
+  for key in keys(a:dict)
+    if index(a:keys, key) == -1
+      let res[key] = a:dict[key]
+    endif
+  endfor
+  return res
+endfunction
+
+" Return new dict with keys only
+function! coc#helper#dict_pick(dict, keys) abort
+  let res = {}
+  for key in keys(a:dict)
+    if index(a:keys, key) != -1
+      let res[key] = a:dict[key]
+    endif
+  endfor
+  return res
+endfunction
+
+" support for float values
+function! coc#helper#min(first, ...) abort
+  let val = a:first
+  for i in range(0, len(a:000) - 1)
+    if a:000[i] < val
+      let val = a:000[i]
+    endif
+  endfor
+  return val
+endfunction
+
+" support for float values
+function! coc#helper#max(first, ...) abort
+  let val = a:first
+  for i in range(0, len(a:000) - 1)
+    if a:000[i] > val
+      let val = a:000[i]
+    endif
+  endfor
+  return val
+endfunction