mirror of https://github.com/Hilbis/Hilbish
125 lines
2.7 KiB
Lua
125 lines
2.7 KiB
Lua
local ansikit = require 'ansikit'
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local bait = require 'bait'
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local commander = require 'commander'
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local hilbish = require 'hilbish'
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local lunacolors = require 'lunacolors'
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local terminal = require 'terminal'
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local Greenhouse = require 'nature.greenhouse'
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local Page = require 'nature.greenhouse.page'
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commander.register('greenhouse', function(args, sinks)
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local gh = Greenhouse(sinks.out)
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local buffer = ''
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local display = ''
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local command = false
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local commands = {
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q = function()
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gh.keybinds['Ctrl-D'](gh)
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end,
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['goto'] = function(args)
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if not args[1] then
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return 'nuh uh'
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end
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gh:jump(tonumber(args[1]))
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end
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}
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function gh:resize()
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local size = terminal.size()
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self.region = {
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width = size.width,
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height = size.height - 2
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}
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end
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function gh:render()
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local workingPage = self.pages[self.curPage]
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local offset = self.offset
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if self.isSpecial then
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offset = self.specialOffset
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workingPage = self.specialPage
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end
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self.sink:write(ansikit.getCSI(self.region.height + 1 .. ';1', 'H'))
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if not self.isSpecial then
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self.sink:writeln(lunacolors.format(string.format('{grayBg} ↳ Page %d %s{reset}', self.curPage, workingPage.title and ' — ' .. workingPage.title .. ' ' or '')))
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end
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self.sink:write(buffer == '' and display or buffer)
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end
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function gh:input(c)
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-- command handling
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if c == ':' and not command then
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command = true
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end
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if c == 'Escape' then
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if command then
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command = false
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buffer = ''
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else
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if self.isSpecial then gh:special() end
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end
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elseif c == 'Backspace' then
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buffer = buffer:sub(0, -2)
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if buffer == '' then
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command = false
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else
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goto update
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end
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end
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if command then
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ansikit.showCursor()
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if buffer:match '^:' then buffer = buffer .. c else buffer = c end
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else
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ansikit.hideCursor()
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end
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::update::
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gh:update()
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end
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gh:resize()
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gh:keybind('Enter', function(self)
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if self.isSpecial then
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self:jump(self.specialPageIdx)
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self:special(false)
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else
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if buffer:len() < 2 then return end
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local splitBuf = string.split(buffer, " ")
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local command = commands[splitBuf[1]:sub(2)]
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if command then
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table.remove(splitBuf, 1)
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buffer = command(splitBuf) or ''
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end
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self:update()
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end
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end)
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if sinks['in'].pipe then
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local page = Page('', sinks['in']:readAll())
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gh:addPage(page)
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end
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for _, name in ipairs(args) do
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local f <close> = io.open(name, 'r')
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if not f then
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sinks.err:writeln(string.format('could not open file %s', name))
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end
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local page = Page(name, f:read '*a')
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gh:addPage(page)
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end
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if #gh.pages == 0 then
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sinks.out:writeln [[greenhouse is the Hilbish pager library and command!
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usage: greenhouse <file>...
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example: greenhouse hello.md]]
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return 1
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end
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ansikit.hideCursor()
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gh:initUi()
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end)
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