|
| 1 | +local swC = {}; |
| 2 | +local utils = require("bars.utils"); |
| 3 | + |
| 4 | +--- Node under cursor |
| 5 | +---@param buffer integer |
| 6 | +---@param window integer |
| 7 | +---@param main_config winbar.node |
| 8 | +---@return string |
| 9 | +swC.node = function (buffer, window, main_config) |
| 10 | + local check_parsers, parsers = pcall(vim.treesitter.get_parser, buffer); |
| 11 | + |
| 12 | + if check_parsers == false then |
| 13 | + return ""; |
| 14 | + elseif parsers == nil then |
| 15 | + return ""; |
| 16 | + end |
| 17 | + |
| 18 | + local ft = vim.bo[buffer].ft; |
| 19 | + local throttle = main_config.throttle or 50; |
| 20 | + |
| 21 | + local before = vim.w[window].__node_time or 0; |
| 22 | + local old = vim.w[window].__node_data; |
| 23 | + local now = vim.uv.hrtime(); |
| 24 | + |
| 25 | + if old and (now - before) < (throttle * 1e6) then |
| 26 | + return old; |
| 27 | + end |
| 28 | + |
| 29 | + local cursor = vim.api.nvim_win_get_cursor(window); |
| 30 | + local node = vim.treesitter.get_node({ |
| 31 | + buffer = buffer, |
| 32 | + pos = { cursor[1] - 1, cursor[2] }, |
| 33 | + |
| 34 | + ignore_injections = false; |
| 35 | + }); |
| 36 | + |
| 37 | + local lang_config = utils.match(main_config, ft, {}); |
| 38 | + |
| 39 | + local lookup = main_config.lookup or 9; |
| 40 | + local _o = ""; |
| 41 | + |
| 42 | + while node do |
| 43 | + if lookup <= 0 then |
| 44 | + break; |
| 45 | + end |
| 46 | + |
| 47 | + local item_config = utils.match(lang_config, node:type(), {}); |
| 48 | + local has_sep = true; |
| 49 | + |
| 50 | + if lookup == 1 then |
| 51 | + has_sep = false; |
| 52 | + elseif not node:parent() then |
| 53 | + has_sep = false; |
| 54 | + end |
| 55 | + |
| 56 | + if item_config.ignore == true then |
| 57 | + goto ignore; |
| 58 | + end |
| 59 | + |
| 60 | + _o = table.concat({ |
| 61 | + has_sep == true and utils.set_hl(main_config.separator_hl) or "", |
| 62 | + has_sep == true and (main_config.separator or " > ") or "", |
| 63 | + |
| 64 | + utils.set_hl(item_config.corner_left_hl or item_config.hl), |
| 65 | + item_config.corner_left or "", |
| 66 | + |
| 67 | + utils.set_hl(item_config.padding_left_hl or item_config.hl), |
| 68 | + item_config.padding_left or "", |
| 69 | + |
| 70 | + utils.set_hl(item_config.icon_hl or item_config.hl), |
| 71 | + item_config.icon or "", |
| 72 | + |
| 73 | + utils.set_hl(item_config.hl), |
| 74 | + item_config.text or node:type() or "", |
| 75 | + |
| 76 | + utils.set_hl(item_config.padding_right_hl or item_config.hl), |
| 77 | + item_config.padding_right or "", |
| 78 | + |
| 79 | + utils.set_hl(item_config.corner_right_hl or item_config.hl), |
| 80 | + item_config.corner_right or "", |
| 81 | + |
| 82 | + _o, |
| 83 | + }); |
| 84 | + lookup = lookup - 1; |
| 85 | + |
| 86 | + ::ignore:: |
| 87 | + |
| 88 | + node = node:parent(); |
| 89 | + end |
| 90 | + |
| 91 | + if lookup <= 0 and node then |
| 92 | + local item_config = utils.match(lang_config, "__lookup", {}); |
| 93 | + |
| 94 | + _o = table.concat({ |
| 95 | + |
| 96 | + utils.set_hl(item_config.corner_left_hl or item_config.hl), |
| 97 | + item_config.corner_left or "", |
| 98 | + |
| 99 | + utils.set_hl(item_config.padding_left_hl or item_config.hl), |
| 100 | + item_config.padding_left or "", |
| 101 | + |
| 102 | + utils.set_hl(item_config.icon_hl or item_config.hl), |
| 103 | + item_config.icon or "", |
| 104 | + |
| 105 | + utils.set_hl(item_config.hl), |
| 106 | + item_config.text or "", |
| 107 | + |
| 108 | + utils.set_hl(item_config.padding_right_hl or item_config.hl), |
| 109 | + item_config.padding_right or "", |
| 110 | + |
| 111 | + utils.set_hl(item_config.corner_right_hl or item_config.hl), |
| 112 | + item_config.corner_right or "", |
| 113 | + |
| 114 | + utils.set_hl(main_config.separator_hl) or "", |
| 115 | + main_config.separator or " > ", |
| 116 | + |
| 117 | + _o, |
| 118 | + }); |
| 119 | + end |
| 120 | + |
| 121 | + if type(main_config.max_width) == "number" then |
| 122 | + _o = table.concat({ |
| 123 | + "%", |
| 124 | + 0, |
| 125 | + ".", |
| 126 | + main_config.max_width, |
| 127 | + "(", |
| 128 | + " ", |
| 129 | + _o, |
| 130 | + "%)" |
| 131 | + }); |
| 132 | + else |
| 133 | + _o = " " .. _o; |
| 134 | + end |
| 135 | + |
| 136 | + vim.w[window].__node_data = _o; |
| 137 | + vim.w[window].__node_time = now; |
| 138 | + |
| 139 | + return _o; |
| 140 | +end |
| 141 | + |
| 142 | +--- Returns the output of the section {name}. |
| 143 | +---@param name string |
| 144 | +---@param buffer integer |
| 145 | +---@param window integer |
| 146 | +---@param part_config table |
| 147 | +---@param statuscolumn string |
| 148 | +---@return string |
| 149 | +swC.get = function (name, buffer, window, part_config, statuscolumn) |
| 150 | + ---|fS |
| 151 | + |
| 152 | + if type(name) ~= "string" then |
| 153 | + --- Component doesn't exist. |
| 154 | + return ""; |
| 155 | + elseif type(swC[name]) ~= "function" then |
| 156 | + --- Attempting to get internal property. |
| 157 | + return ""; |
| 158 | + else |
| 159 | + if part_config.condition ~= nil then |
| 160 | + if part_config.condition == false then |
| 161 | + --- Part is disabled. |
| 162 | + return ""; |
| 163 | + else |
| 164 | + local sucess, val = pcall(part_config.condition, buffer, window, statuscolumn); |
| 165 | + |
| 166 | + if sucess == false then |
| 167 | + return ""; |
| 168 | + elseif val == false then |
| 169 | + return ""; |
| 170 | + end |
| 171 | + end |
| 172 | + end |
| 173 | + |
| 174 | + local static_config = vim.deepcopy(part_config); |
| 175 | + |
| 176 | + for key, value in pairs(static_config) do |
| 177 | + if type(value) ~= "function" then |
| 178 | + goto continue; |
| 179 | + end |
| 180 | + |
| 181 | + local s_success, s_val = pcall(value, buffer, window, statuscolumn); |
| 182 | + |
| 183 | + if s_success == false then |
| 184 | + static_config[key] = nil; |
| 185 | + else |
| 186 | + static_config[key] = s_val; |
| 187 | + end |
| 188 | + |
| 189 | + ::continue:: |
| 190 | + end |
| 191 | + |
| 192 | + --- Return component value. |
| 193 | + return swC[name](buffer, window, static_config, statuscolumn) or ""; |
| 194 | + end |
| 195 | + |
| 196 | + ---|fE |
| 197 | +end |
| 198 | + |
| 199 | +return swC |
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