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Utils.lua
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Utils.lua
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-- Utils.lua
-- June 2014
local addon, ns = ...
local Hekili = _G[ addon ]
local format = string.format
local gsub = string.gsub
local lower = string.lower
local errors = {}
local eIndex = {}
ns.Error = function( ... )
local output = format( ... )
if not errors[ output ] then
errors[ output ] = {
n = 1,
last = date( "%X", time() )
}
eIndex[ #eIndex + 1 ] = output
-- if Hekili.DB.profile.Verbose then Hekili:Print( output ) end
else
errors[ output ].n = errors[ output ].n + 1
errors[ output ].last = date( "%X", time() )
end
end
function Hekili:Error( ... )
ns.Error( ... )
end
function Hekili:GetErrors()
for i = 1, #eIndex do
Hekili:Print( eIndex[i] .. " (n = " .. errors[ eIndex[i] ].n .. "), last at " .. errors[ eIndex[i] ].last .. "." )
end
end
function ns.SpaceOut( str )
str = str:gsub( "([!<>=|&()*%-%+%%])", " %1 " ):gsub("%s+", " ")
str = str:gsub( "([<>~!|]) ([|=])", "%1%2" )
str = str:trim()
return str
end
-- Converts `s' to a SimC-like key: strip non alphanumeric characters, replace spaces with _, convert to lower case.
function ns.formatKey( s )
return ( lower( s or '' ):gsub( "[^a-z0-9_ ]", "" ):gsub( "%s", "_" ) )
end
ns.titleCase = function( s )
local helper = function( first, rest )
return first:upper()..rest:lower()
end
return s:gsub( "_", " " ):gsub( "(%a)([%w_']*)", helper ):gsub( "[Aa]oe", "AOE" ):gsub( "[Rr]jw", "RJW" ):gsub( "[Cc]hix", "ChiX" ):gsub( "(%W?)[Ss]t(%W?)", "%1ST%2" )
end
local replacements = {
['_'] = " ",
aoe = "AOE",
rjw = "RJW",
chix = "ChiX",
st = "ST",
cd = "CD",
cds = "CDs"
}
ns.titlefy = function( s )
for k, v in pairs( replacements ) do
s = s:gsub( '%f[%w]' .. k .. '%f[%W]', v ):gsub( "_", " " )
end
return s
end
ns.fsub = function( s, pattern, repl )
return s:gsub( "%f[%w]" .. k .. "%f[%W]", repl )
end
ns.escapeMagic = function( s )
return s:gsub( "([%(%)%.%%%+%-%*%?%[%^%$])", "%%%1" )
end
local tblUnpack = {}
ns.multiUnpack = function( ... )
table.wipe( tblUnpack )
for i = 1, select( '#', ... ) do
for _, value in ipairs( select( i, ... ) ) do
tblUnpack[ #tblUnpack + 1 ] = value
end
end
return unpack( tblUnpack )
end
ns.round = function( num, places )
return tonumber( format( "%." .. ( places or 0 ) .. "f", num ) )
end
function ns.roundUp( num, places )
num = num or 0
local tens = 10 ^ ( places or 0 )
return ceil( num * tens ) / tens
end
function ns.roundDown( num, places )
num = num or 0
local tens = 10 ^ ( places or 0 )
return floor( num * tens ) / tens
end
-- Deep Copy
-- from http://stackoverflow.com/questions/640642/how-do-you-copy-a-lua-table-by-value
local function tableCopy( obj, seen )
if type(obj) ~= 'table' then return obj end
if seen and seen[obj] then return seen[obj] end
local s = seen or {}
local res = setmetatable({}, getmetatable(obj))
s[obj] = res
for k, v in pairs(obj) do res[ tableCopy(k, s) ] = tableCopy(v, s) end
return res
end
ns.tableCopy = tableCopy
local toc = {}
local exclusions = { min = true, max = true, _G = true }
ns.commitKey = function( key )
if not toc[ key ] and not exclusions[ key ] then
ns.keys[ #ns.keys + 1 ] = key
toc[ key ] = 1
end
end
local orderedIndex = {}
local function __genOrderedIndex( t )
for i = #orderedIndex, 1, -1 do
orderedIndex[i] = nil
end
for key in pairs( t ) do
table.insert( orderedIndex, key )
end
table.sort( orderedIndex )
return orderedIndex
end
local function orderedNext( t, state )
local key = nil
if state == nil then
t.__orderedIndex = __genOrderedIndex( t )
key = t.__orderedIndex[ 1 ]
else
for i = 1, table.getn( t.__orderedIndex ) do
if t.__orderedIndex[ i ] == state then
key = t.__orderedIndex[ i+1 ]
end
end
end
if key then
return key, t[ key ]
end
t.__orderedIndex = nil
return
end
function ns.orderedPairs( t )
return orderedNext, t, nil
end
function ns.safeMin( ... )
local result
for i = 1, select( "#", ... ) do
local val = select( i, ... )
if val then result = ( not result or val < result ) and val or result end
end
return result or 0
end
function ns.safeMax( ... )
local result
for i = 1, select( "#", ... ) do
local val = select( i, ... )
if val and type(val) == 'number' then result = ( not result or val > result ) and val or result end
end
return result or 0
end
-- Rivers' iterator for group members.
function ns.GroupMembers( reversed, forceParty )
local unit = ( not forceParty and IsInRaid() ) and 'raid' or 'party'
local numGroupMembers = forceParty and GetNumSubgroupMembers() or GetNumGroupMembers()
local i = reversed and numGroupMembers or ( unit == 'party' and 0 or 1 )
return function()
local ret
if i == 0 and unit == 'party' then
ret = 'player'
elseif i <= numGroupMembers and i > 0 then
ret = unit .. i
end
i = i + ( reversed and -1 or 1 )
return ret
end
end
-- Use C_Timer.After but allow for function args.
function Hekili:After( time, func, ... )
local args = { ... }
local function delayfunc()
func( unpack( args ) )
end
C_Timer.After( time, delayfunc )
end
-- Duplicate spell info lookup.
function ns.FindUnitBuffByID( unit, id, filter )
local i = 1
local name, icon, count, debuffType, duration, expirationTime, caster, stealable, nameplateShowPersonal, spellID, canApplyAura, isBossDebuff, nameplateShowAll, timeMod, value1, value2, value3 = UnitBuff( unit, i, filter )
while( name ) do
if spellID == id then break end
i = i + 1
name, icon, count, debuffType, duration, expirationTime, caster, stealable, nameplateShowPersonal, spellID, canApplyAura, isBossDebuff, nameplateShowAll, timeMod, value1, value2, value3 = UnitBuff( unit, i, filter )
end
return name, icon, count, debuffType, duration, expirationTime, caster, stealable, nameplateShowPersonal, spellID, canApplyAura, isBossDebuff, nameplateShowAll, timeMod, value1, value2, value3
end
function ns.FindUnitDebuffByID( unit, id, filter )
local i = 1
local name, icon, count, debuffType, duration, expirationTime, caster, stealable, nameplateShowPersonal, spellID, canApplyAura, isBossDebuff, nameplateShowAll, timeMod, value1, value2, value3 = UnitDebuff( unit, i, filter )
while( name ) do
if spellID == id then break end
i = i + 1
name, icon, count, debuffType, duration, expirationTime, caster, stealable, nameplateShowPersonal, spellID, canApplyAura, isBossDebuff, nameplateShowAll, timeMod, value1, value2, value3 = UnitDebuff( unit, i, filter )
end
return name, icon, count, debuffType, duration, expirationTime, caster, stealable, nameplateShowPersonal, spellID, canApplyAura, isBossDebuff, nameplateShowAll, timeMod, value1, value2, value3
end
function ns.IsActiveSpell( id )
local slot = FindSpellBookSlotBySpellID( id )
if not slot then return false end
local _, _, spellID = GetSpellBookItemName( slot, "spell" )
return id == spellID
end
local itemCache = {}
local function itemCacheHelper( id, ... )
local n = select( "#", ... )
if n == 0 then return end
local cache = {}
for i = 1, n do
cache[ i ] = select( i, ... )
end
itemCache[ id ] = cache
return ...
end
function ns.CachedGetItemInfo( id )
if itemCache[ id ] then return unpack( itemCache[ id ] ) end
return itemCacheHelper( id, GetItemInfo( id ) )
end