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57 lines
1.6 KiB
Lua
57 lines
1.6 KiB
Lua
--- @class libmodal.utils.Vars
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--- @field private mode_name string the highlight group to use when printing `str`
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--- @field private var_name string the highlight group to use when printing `str`
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local Vars = require('libmodal.src.utils.classes').new()
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--- @return unknown `vim.g[self:name()])`
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function Vars:get()
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return vim.g[self:name()]
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end
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--- @return string name the global Neovim setting
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function Vars:name()
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return self.mode_name .. self.var_name
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end
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--- create a new set of variables
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--- @param var_name string the name of the key used to refer to this variable in `Vars`.
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--- @param mode_name string the name of the mode
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--- @return libmodal.utils.Vars
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function Vars.new(var_name, mode_name)
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local self = setmetatable({}, Vars)
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--- @param str_with_spaces string
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--- @param first_letter_modifier fun(s: string): string
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local function no_spaces(str_with_spaces, first_letter_modifier)
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local split_str = vim.split(str_with_spaces:gsub(vim.pesc '_', vim.pesc ' '), ' ')
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--- @param str string
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--- @param func fun(s: string): string
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local function camel_case(str, func)
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return func(str:sub(0, 1) or '') .. (str:sub(2) or ''):lower()
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end
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split_str[1] = camel_case(split_str[1], first_letter_modifier)
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for i = 2, #split_str do split_str[i] =
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camel_case(split_str[i], string.upper)
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end
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return table.concat(split_str)
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end
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self.mode_name = no_spaces(mode_name, string.lower)
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self.var_name = 'Mode' .. no_spaces(var_name, string.upper)
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return self
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end
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--- @generic T
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--- @param val T set `g:{self:name()})` equal to this value
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--- @return nil
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function Vars:set(val)
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vim.api.nvim_set_var(self:name(), val)
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end
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return Vars
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