mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Scribunto
synced 2024-12-04 20:58:13 +00:00
1fad4da137
Change-Id: Ida2c9cac348fe31ecf8d8c0a352e899bcbff1ebf
72 lines
1.8 KiB
Lua
72 lines
1.8 KiB
Lua
local libraryUtil = {}
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function libraryUtil.checkType( name, argIdx, arg, expectType, nilOk )
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if arg == nil and nilOk then
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return
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end
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if type( arg ) ~= expectType then
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local msg = string.format( "bad argument #%d to '%s' (%s expected, got %s)",
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argIdx, name, expectType, type( arg )
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)
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error( msg, 3 )
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end
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end
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function libraryUtil.checkTypeMulti( name, argIdx, arg, expectTypes )
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local argType = type( arg )
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for _, expectType in ipairs( expectTypes ) do
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if argType == expectType then
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return
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end
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end
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local n = #expectTypes
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local typeList
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if n > 1 then
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typeList = table.concat( expectTypes, ', ', 1, n - 1 ) .. ' or ' .. expectTypes[n]
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else
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typeList = expectTypes[1]
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end
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local msg = string.format( "bad argument #%d to '%s' (%s expected, got %s)",
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argIdx,
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name,
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typeList,
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type( arg )
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)
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error( msg, 3 )
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end
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function libraryUtil.checkTypeForIndex( index, value, expectType )
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if type( value ) ~= expectType then
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local msg = string.format( "value for index '%s' must be %s, %s given",
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index, expectType, type( value )
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)
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error( msg, 3 )
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end
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end
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function libraryUtil.checkTypeForNamedArg( name, argName, arg, expectType, nilOk )
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if arg == nil and nilOk then
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return
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end
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if type( arg ) ~= expectType then
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local msg = string.format( "bad named argument %s to '%s' (%s expected, got %s)",
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argName, name, expectType, type( arg )
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)
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error( msg, 3 )
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end
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end
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function libraryUtil.makeCheckSelfFunction( libraryName, varName, selfObj, selfObjDesc )
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return function ( self, method )
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if self ~= selfObj then
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error( string.format(
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"%s: invalid %s. Did you call %s with a dot instead of a colon, i.e. " ..
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"%s.%s() instead of %s:%s()?",
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libraryName, selfObjDesc, method, varName, method, varName, method
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), 3 )
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end
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end
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end
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return libraryUtil
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