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internal_buffer.vim
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internal_buffer.vim
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" ----------------------------------------------
" Internal buffer prototype definition
" ----------------------------------------------
" represents ui internal structure
" abstract structure of internal buffer representation:
"
" buffer = [ array of lines ]
"
" line = [ list of items
" { type, strat_col, finish_col, text, hl_group },
" { ... },
" ...
" ]
let s:nvim = has('nvim')
let s:InternalBuffer = {}
let s:InternalBuffer.MethodsList = [
\'RenderLine',
\'AddLine',
\'AddLineAt',
\'CreateItem',
\'len',
\'GetItemByPos',
\'GetItemLineNumber',
\'GetItemLineNumberByData',
\'GetFirstItemOfType',
\'TryFindOriginalLinkFromPos',
\'TryRestoreCursorForItem',
\'RenderUiUsagesList',
\'RenderUi',
\'StartUiTransaction',
\'EndUiTransaction',
\'GrepResultToItems',
\'GrepResultToGroupedItems',
\'RemoveGarbagedLines',
\'JumpToFirstOfType',
\'ClearBuffer',
\'BufferLnum',
\'RestorePopupCursor',
\]
" Produce new Render Buffer
fu! s:InternalBuffer.New() abort
let object = {
\"items": [],
\"current_page": 0,
\"gc": v:false,
\"preview_opened": v:false,
\"usages_opened": v:false,
\"grouping_enabled": v:false,
\"overmaxed_results_hidden": v:true,
\"definitions_grep_results": [],
\"usages_grep_results": [],
\"vim_bufnr": 0,
\"popup_winid": 0,
\"previous_bufnr": 0,
\}
for method in self.MethodsList
let object[method] = s:InternalBuffer[method]
endfor
return object
endfu
fu! s:InternalBuffer.len() dict abort
return len(self.items)
endfu
fu! s:InternalBuffer.RenderLine(items, line) dict abort
let text = s:nvim ? " " : ""
let idx = 0
let next_start_col = 1
" calculate & assign items start & end columns
for item in a:items
" separate items in line with 1 space
if idx == 0
let text = text . item.text
else
if has_key(item.data, 'no_padding')
let text = text . item.text
else
let text = text . ' ' . item.text
let next_start_col = next_start_col + 1
endif
endif
let item.start_col = next_start_col
let item.end_col = next_start_col + len(item.text)
let next_start_col = item.end_col
let idx += 1
endfor
" filter out empty whitespaces
if text =~ '^\s\+$'
let text = ''
endif
" write final text to buffer
call appendbufline(self.vim_bufnr, a:line - 1, text)
" colorize
for item in a:items
if s:nvim
call nvim_buf_add_highlight(
\self.vim_bufnr,
\-1,
\item.hl_group,
\a:line - 1,
\item.start_col,
\item.end_col)
else
call prop_add(a:line, item.start_col, {
\'length': item.len,
\'type': item.hl_group,
\'bufnr': self.vim_bufnr})
endif
endfor
endfu
fu! s:InternalBuffer.AddLine(items) dict abort
if type(a:items) == v:t_list
call self.RenderLine(a:items, self.len() + 1)
call add(self.items, a:items)
return v:true
else
echoe "array required, got invalid type: " . string(a:items)
return v:false
endif
endfu
fu! s:InternalBuffer.AddLineAt(items, line_number) dict abort
if type(a:items) == v:t_list
call self.RenderLine(a:items, a:line_number)
call insert(self.items, a:items, a:line_number - 1)
return v:true
else
echoe "array required, got invalid type: " . string(a:items)
return v:false
endif
endfu
" type:
" 'text' / 'link' / 'button' / 'preview_text'
fu! s:InternalBuffer.CreateItem(type, text, hl_group, ...) dict abort
let data = {}
if a:0
let data = a:1
endif
let item = {
\"type": a:type,
\"text": a:text,
\"len": len(a:text),
\"start_col": 0,
\"end_col": 0,
\"hl_group": a:hl_group,
\"gc": v:false,
\"data": data
\}
" TODO: optimize this part for rednering perfomance
if !s:nvim
if prop_type_get(item.hl_group, {'bufnr': self.vim_bufnr}) == {}
call prop_type_add(item.hl_group, {
\'highlight': item.hl_group,
\'bufnr': self.vim_bufnr
\})
endif
endif
return item
endfu
fu! s:InternalBuffer.GetItemByPos() dict abort
if s:nvim
let idx = getbufinfo(self.vim_bufnr)[0]['lnum']
else
" vim popup buffer doesn't have current line info inside getbufinfo()
" so extract line nr from win
let l:popup_pos = 0
call win_execute(self.popup_winid, 'let l:popup_pos = getcurpos()')
let idx = l:popup_pos[1]
end
if idx > len(self.items)
return 0
endif
if s:nvim
let column = col('.')
else
let column = 1
end
let line = self.items[idx - 1]
for item in line
if item.start_col <= column && (item.end_col >= column || item.end_col == -1 )
return item
endif
endfor
return 0
endfu
" not optimal, but ok for current ui with around ~100/200 lines
" COMPLEXITY: O(1)
fu! s:InternalBuffer.GetItemLineNumber(item) dict abort
let i = 0
let found = 0
for line in self.items
let i += 1
for item in line
if item == a:item
let found = i
break
endif
endfor
if found > 0
break
endif
endfor
return found
endfu
" not optimal, but ok for current ui with around ~100/200 lines
" COMPLEXITY: O(1)
fu! s:InternalBuffer.GetItemLineNumberByData(data) dict abort
let i = 0
let found = 0
for line in self.items
let i += 1
for item in line
if item.data == a:data
let found = i
break
endif
endfor
if found > 0
break
endif
endfor
return found
endfu
fu! s:InternalBuffer.GetFirstItemOfType(type, ...) dict abort
let result = 0
let layer = 0
if a:0 == 1
let layer = a:1
endif
for line in self.items
if type(result) == v:t_dict
break
endif
for item in line
let type_is_ok = item.type == a:type
let layer_is_ok = v:true
if type(layer) == v:t_string
let layer_is_ok = item.data.layer == layer
endif
if type_is_ok && layer_is_ok
let result = item
break
endif
endfor
endfor
return result
endfu
fu! s:InternalBuffer.TryFindOriginalLinkFromPos() dict abort
let cursor_item = self.GetItemByPos()
" try to find original link
if type(cursor_item) == v:t_dict && type(cursor_item.data) == v:t_dict
\ && cursor_item.type == 'link'
\ && !has_key(cursor_item, 'original_link')
let ln = self.GetItemLineNumber(cursor_item)
let line = self.items[ln - 1]
for item in line
if type(item.data) == v:t_dict && has_key(item.data, 'original_link')
let cursor_item = item
break
endif
endfor
endif
return cursor_item
endfu
fu! s:InternalBuffer.TryRestoreCursorForItem(item,...) dict abort
let opts = {}
if a:0 == 1 && type(a:1) == v:t_dict
let opts = a:1
endif
if type(a:item) == v:t_dict
\ && a:item.type == "link"
\ && !has_key(a:item.data, 'group_header')
let new_ln = self.GetItemLineNumberByData(a:item.data)
" item removed
if new_ln == 0
call self.JumpToFirstOfType('link')
else
call cursor(new_ln, 2)
endif
else
if has_key(opts, 'last_ln_nr')
if opts.last_ln_nr > self.len()
call self.JumpToFirstOfType('link')
else
call cursor(opts.last_ln_nr, 2)
call cursor(opts.last_ln_nr, 2)
endif
else
call self.JumpToFirstOfType('link')
endif
endif
endfu
fu! s:InternalBuffer.JumpToFirstOfType(type, ...) dict abort
let item = self.GetFirstItemOfType(a:type, a:000)
if type(item) == v:t_dict
let ln = self.GetItemLineNumber(item)
call cursor(ln, 2)
endif
endfu
fu! s:InternalBuffer.ClearBuffer(buf) dict abort
call deletebufline(a:buf, 1, self.len() + 1)
endfu
fu! s:InternalBuffer.BufferLnum() dict abort
return getbufinfo(self.vim_bufnr)[0]['lnum']
endfu
fu! s:InternalBuffer.RestorePopupCursor() dict abort
if !s:nvim
call popup_filter_menu(self.popup_winid, 'j')
endif
endfu
fu! s:InternalBuffer.StartUiTransaction() dict abort
if !s:nvim
return
endif
call setbufvar(self.vim_bufnr, '&modifiable', 1)
endfu
fu! s:InternalBuffer.EndUiTransaction() dict abort
if !s:nvim
return
endif
call setbufvar(self.vim_bufnr, '&modifiable', 0)
endfu
fu! s:InternalBuffer.GrepResultToItems(gr, current_idx, layer) dict abort
let gr = a:gr
let items = []
let options =
\{ "path": gr.path, "line_number": gr.line_number, "layer": a:layer }
let original_link_options =
\{ "path": gr.path, "line_number": gr.line_number,
\"layer": a:layer, "original_link": v:true }
if g:any_jump_list_numbers
let prefix_text = a:current_idx + 1
let prefix = self.CreateItem("link", prefix_text, g:AnyJumpGetColor('result_line_number'), options)
call add(items, prefix)
endif
if g:any_jump_results_ui_style == 'filename_first'
let path_text = '' . gr.path . ":" . gr.line_number
let matched_text = self.CreateItem("link", gr.text, g:AnyJumpGetColor('result_text'), original_link_options)
let file_path = self.CreateItem("link", path_text, g:AnyJumpGetColor('result_path'), options)
call add(items, matched_text)
call add(items, file_path)
elseif g:any_jump_results_ui_style == 'filename_last'
let path_text = gr.path . ":" . gr.line_number
let matched_text = self.CreateItem("link", "" . gr.text, g:AnyJumpGetColor('result_text'), original_link_options)
let file_path = self.CreateItem("link", path_text, g:AnyJumpGetColor('result_path'), options)
call add(items, file_path)
call add(items, matched_text)
endif
return items
endfu
fu! s:InternalBuffer.GrepResultToGroupedItems(gr, current_idx, layer) dict abort
let gr = a:gr
let items = []
let options =
\{ "path": gr.path, "line_number": gr.line_number, "layer": a:layer }
let original_link_options =
\{ "path": gr.path, "line_number": gr.line_number,
\"layer": a:layer, "original_link": v:true }
let prefix_text = gr.line_number
let prefix = self.CreateItem("link", prefix_text, g:AnyJumpGetColor('result_line_number'), options)
call add(items, prefix)
let matched_text = self.CreateItem("link", gr.text, g:AnyJumpGetColor('result_text'), original_link_options)
call add(items, matched_text)
return items
endfu
fu! s:InternalBuffer.RenderUiUsagesList(grep_results, start_ln) dict abort
let start_ln = a:start_ln
let hidden_count = 0
" TODO: move to method
if type(g:any_jump_max_search_results) == v:t_number
\ && g:any_jump_max_search_results > 0
\ && self.overmaxed_results_hidden == v:true
let cp = self.current_page ? self.current_page : 1
let to = (cp * g:any_jump_max_search_results) - 1
let collection = self.usages_grep_results[0 : to]
let hidden_count = len(self.usages_grep_results[to : -1])
else
let collection = self.usages_grep_results
endif
call self.AddLineAt([
\self.CreateItem("text", ">", g:AnyJumpGetColor('heading_text'), {'layer': 'usages'}),
\self.CreateItem("text", self.keyword, g:AnyJumpGetColor('heading_keyword'), {'layer': 'usages'}),
\self.CreateItem("text", len(self.usages_grep_results) . " references", g:AnyJumpGetColor('heading_text'), {'layer': 'usages'}),
\], start_ln)
let start_ln += 1
call self.AddLineAt([ self.CreateItem("text", "", "Comment", {"layer": "usages"}) ], start_ln)
let start_ln += 1
let idx = 0
if self.grouping_enabled
" group by file name rendering
let render_map = {}
for gr in collection
if !has_key(render_map, gr.path)
let render_map[gr.path] = []
endif
call add(render_map[gr.path], gr)
endfor
let path_idx = 0
for path in keys(render_map)
let first_gr = render_map[path][0]
let opts = {
\"path": path,
\"line_number": first_gr.line_number,
\"layer": "usages",
\"group_header": v:true,
\}
let prefix = self.CreateItem("link", ">", g:AnyJumpGetColor('group_text'), opts)
let group_name = self.CreateItem("link", path, g:AnyJumpGetColor('group_name'), opts)
let line = [ prefix, group_name ]
call self.AddLineAt(line, start_ln)
let start_ln += 1
for gr in render_map[path]
let items = self.GrepResultToGroupedItems(gr, idx, "usages")
call self.AddLineAt(items, start_ln)
let start_ln += 1
let idx += 1
endfor
if path_idx != len(keys(render_map)) - 1
call self.AddLineAt([ self.CreateItem("text", "", "Comment", {"layer": "usages"}) ], start_ln)
let start_ln += 1
endif
let path_idx += 1
endfor
else
for gr in collection
let items = self.GrepResultToItems(gr, idx, "usages")
call self.AddLineAt(items, start_ln)
let idx += 1
let start_ln += 1
endfor
endif
if hidden_count > 0
call self.AddLineAt([ self.CreateItem("text", "", "Comment", {"layer": "usages"}) ], start_ln)
let start_ln += 1
call self.AddLineAt([
\self.CreateItem("more_button", '[ ' . hidden_count . ' more ]', g:AnyJumpGetColor('more_button'), {"layer": "usages"}),
\self.CreateItem("more_button", '— [a] load more results [A] load all', g:AnyJumpGetColor('more_explain'), {"layer": "usages"}),
\], start_ln)
let start_ln += 1
endif
call self.AddLineAt([ self.CreateItem("text", " ", "Comment", {"layer": "usages"}) ], start_ln)
return v:true
endfu
fu! s:InternalBuffer.RenderUi() dict abort
" clear items before render
let self.items = []
call self.AddLine([ self.CreateItem("text", "", "Comment") ])
call self.AddLine([
\self.CreateItem("text", ">", g:AnyJumpGetColor('heading_text')),
\self.CreateItem("text", self.keyword, g:AnyJumpGetColor('heading_keyword')),
\self.CreateItem("text", len(self.definitions_grep_results) . " definitions", g:AnyJumpGetColor('heading_text')),
\])
call self.AddLine([ self.CreateItem("text", "", "Comment") ])
" draw grep results
let idx = 0
let hidden_count = 0
" TODO: move to method
if type(g:any_jump_max_search_results) == v:t_number
\ && g:any_jump_max_search_results > 0
\ && self.overmaxed_results_hidden == v:true
let cp = self.current_page ? self.current_page : 1
let to = (cp * g:any_jump_max_search_results) - 1
let collection = self.definitions_grep_results[0 : to]
let hidden_count = len(self.definitions_grep_results[to : -1])
else
let collection = self.definitions_grep_results
endif
if self.grouping_enabled
" group by file name rendering
let render_map = {}
for gr in collection
if !has_key(render_map, gr.path)
let render_map[gr.path] = []
endif
call add(render_map[gr.path], gr)
endfor
let path_idx = 0
for path in keys(render_map)
let first_gr = render_map[path][0]
let opts = {
\"path": path,
\"line_number": first_gr.line_number,
\"layer": "definitions",
\"group_header": v:true,
\}
let prefix = self.CreateItem("link", ">", g:AnyJumpGetColor('group_text'), opts)
let group_name = self.CreateItem("link", path, g:AnyJumpGetColor('group_name'), opts)
let line = [ prefix, group_name ]
call self.AddLine(line)
for gr in render_map[path]
let items = self.GrepResultToGroupedItems(gr, idx, "definitions")
call self.AddLine(items)
let idx += 1
endfor
if path_idx != len(keys(render_map)) - 1
call self.AddLine([ self.CreateItem("text", "", "Comment") ])
endif
let path_idx += 1
endfor
call self.AddLine([ self.CreateItem("text", "", "Comment") ])
else
if len(collection)
for gr in collection
let items = self.GrepResultToItems(gr, idx, "definitions")
call self.AddLine(items)
let idx += 1
endfor
else
call self.AddLine([ self.CreateItem("text", "No definitions results", g:AnyJumpGetColor('plain_text')) ])
endif
call self.AddLine([ self.CreateItem("text", "", "Comment") ])
endif
if hidden_count > 0
call self.AddLine([
\self.CreateItem("more_button", '[ + ' . hidden_count . ' more ]', g:AnyJumpGetColor('more_button')),
\self.CreateItem("more_button", '— [a] load more results [A] load all', g:AnyJumpGetColor('more_explain')),
\])
call self.AddLine([ self.CreateItem("text", "", "Comment") ])
endif
if self.usages_opened && len(self.usages_grep_results) > 0
call self.RenderUiUsagesList(self.usages_grep_results, self.len() + 1)
endif
call self.AddLine([ self.CreateItem("help_link", "> Help", g:AnyJumpGetColor('heading_text')) ])
let color = g:AnyJumpGetColor('help')
call self.AddLine([ self.CreateItem("help_text", "", color) ])
call self.AddLine([ self.CreateItem("help_text", "[o] open [t] open in tab [s] open in split [v] open in vsplit", color) ])
call self.AddLine([ self.CreateItem("help_text", "[p/tab] preview file [b] scroll to first result", color) ])
call self.AddLine([ self.CreateItem("help_text", "[a] load more results [A] load all results", color) ])
call self.AddLine([ self.CreateItem("help_text", "[r] show references [T] group by file", color) ])
call self.AddLine([ self.CreateItem("help_text", "[L] toggle search [esc/q] exit", color) ])
call self.AddLine([ self.CreateItem("help_text", " results ui style", color) ])
endfu
fu! s:InternalBuffer.RemoveGarbagedLines() dict abort
" remove marked for garbage collection lines
let new_items = []
for line in self.items
if has_key(line[0], 'gc') == v:false || line[0].gc == v:false
call add(new_items, line)
endif
endfor
let self.items = new_items
endfu
" Public api
fu! internal_buffer#GetClass() abort
return s:InternalBuffer
endfu