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Merge pull request #675 from psychon/remove-gears.sort
Remove gears.sort
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commit
58954f7f08
5 changed files with 0 additions and 110 deletions
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@ -11,7 +11,6 @@ return
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color = require("gears.color");
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debug = require("gears.debug");
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object = require("gears.object");
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sort = require("gears.sort");
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surface = require("gears.surface");
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wallpaper = require("gears.wallpaper");
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timer = require("gears.timer");
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@ -1,63 +0,0 @@
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---------------------------------------------------------------------------
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-- @author Uli Schlachter
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-- @copyright 2010 Uli Schlachter
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-- @release @AWESOME_VERSION@
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-- @module gears.sort
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---------------------------------------------------------------------------
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local setmetatable = setmetatable
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local ipairs = ipairs
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local table = table
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local error = error
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local sort = { mt = {} }
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local function less_than_comp(a, b)
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return a < b
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end
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--- Sort a table. This interface should be identical to table.sort().
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-- The difference to table.sort() is that this sort is stable.
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-- @param list The table to sort (we do an in-place sort!).
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-- @param comp Comparator used for the sorting
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function sort.sort(list, comp)
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local comp = comp or less_than_comp
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-- A table could contain non-integer keys which we have to ignore.
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local num = 0
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for k, v in ipairs(list) do
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num = num + 1
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end
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if num <= 1 then
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-- Nothing to do
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return
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end
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-- Sort until everything is sorted :)
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local sorted = false
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local n = num
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while not sorted do
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sorted = true
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for i = 1, n - 1 do
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-- Two equal elements won't be swapped -> we are stable
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if comp(list[i+1], list[i]) then
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local tmp = list[i]
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list[i] = list[i+1]
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list[i+1] = tmp
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sorted = false
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end
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end
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-- The last element is now guaranteed to be in the right spot
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n = n - 1
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end
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end
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function sort.mt:__call(...)
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return sort.sort(...)
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end
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return setmetatable(sort, sort.mt)
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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@ -16,7 +16,6 @@ local beautiful = require("beautiful")
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local cairo = require("lgi").cairo
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local color = require("gears.color")
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local object = require("gears.object")
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local sort = require("gears.sort")
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local surface = require("gears.surface")
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local timer = require("gears.timer")
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local matrix = require("gears.matrix")
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@ -17,7 +17,6 @@ local table = table
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local string_format = string.format
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local color = require("gears.color")
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local object = require("gears.object")
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local sort = require("gears.sort")
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local beautiful = require("beautiful")
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local surface = require("gears.surface")
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local cairo = require("lgi").cairo
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@ -1,44 +0,0 @@
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---------------------------------------------------------------------------
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-- @author Uli Schlachter
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-- @copyright 2014 Uli Schlachter
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---------------------------------------------------------------------------
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local sort = require("gears.sort")
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describe("gears.sort", function()
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local function test(expected, input)
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sort.sort(input)
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assert.are.same(expected, input)
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end
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it("with empty input", function()
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test({}, {})
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end)
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it("with sorted input", function()
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test({1, 2, 3, 4, 5, 6},
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{1, 2, 3, 4, 5, 6})
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end)
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it("with reversed input", function()
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test({1, 2, 3, 4, 5, 6},
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{6, 5, 4, 3, 2, 1})
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end)
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it("with repeating items", function()
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test({1, 2, 2, 3, 4, 4, 5},
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{1, 2, 2, 3, 4, 4, 5})
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end)
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it("with repeating items and reversed input", function()
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test({1, 2, 2, 3, 4, 4, 5},
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{5, 4, 4, 3, 2, 2, 1})
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end)
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it("with non-integer keys", function()
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test({2, 3, 4, Awesome = 42},
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{3, 4, 2, Awesome = 42})
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end)
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end)
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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