{{## def.setupKeyword:
  {{
    var $lvl = it.level;
    var $dataLvl = it.dataLevel;
    var $schema = it.schema[$keyword];
    var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
    var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
    var $breakOnError = !it.opts.allErrors;
    var $errorKeyword;

    var $data = 'data' + ($dataLvl || '');
    var $valid = 'valid' + $lvl;
    var $errs = 'errs__' + $lvl;
  }}
#}}


{{## def.setCompositeRule:
  {{
    var $wasComposite = it.compositeRule;
    it.compositeRule = $it.compositeRule = true;
  }}
#}}


{{## def.resetCompositeRule:
  {{ it.compositeRule = $it.compositeRule = $wasComposite; }}
#}}


{{## def.setupNextLevel:
  {{
    var $it = it.util.copy(it);
    var $closingBraces = '';
    $it.level++;
    var $nextValid = 'valid' + $it.level;
  }}
#}}


{{## def.ifValid:
  {{? $breakOnError }}
    if ({{=$valid}}) {
    {{ $closingBraces += '}'; }}
  {{?}}
#}}


{{## def.ifResultValid:
  {{? $breakOnError }}
    if ({{=$nextValid}}) {
    {{ $closingBraces += '}'; }}
  {{?}}
#}}


{{## def.elseIfValid:
  {{? $breakOnError }}
    {{ $closingBraces += '}'; }}
    else {
  {{?}}
#}}


{{## def.nonEmptySchema:_schema:
  (it.opts.strictKeywords
    ? typeof _schema == 'object' && Object.keys(_schema).length > 0
    : it.util.schemaHasRules(_schema, it.RULES.all))
#}}


{{## def.strLength:
  {{? it.opts.unicode === false }}
    {{=$data}}.length
  {{??}}
    ucs2length({{=$data}})
  {{?}}
#}}


{{## def.willOptimize:
  it.util.varOccurences($code, $nextData) < 2
#}}


{{## def.generateSubschemaCode:
  {{
    var $code = it.validate($it);
    $it.baseId = $currentBaseId;
  }}
#}}


{{## def.insertSubschemaCode:
  {{= it.validate($it) }}
  {{ $it.baseId = $currentBaseId; }}
#}}


{{## def._optimizeValidate:
  it.util.varReplace($code, $nextData, $passData)
#}}


{{## def.optimizeValidate:
  {{? {{# def.willOptimize}} }}
    {{= {{# def._optimizeValidate }} }}
  {{??}}
    var {{=$nextData}} = {{=$passData}};
    {{= $code }}
  {{?}}
#}}


{{## def.$data:
  {{
    var $isData = it.opts.$data && $schema && $schema.$data
      , $schemaValue;
  }}
  {{? $isData }}
    var schema{{=$lvl}} = {{= it.util.getData($schema.$data, $dataLvl, it.dataPathArr) }};
    {{ $schemaValue = 'schema' + $lvl; }}
  {{??}}
    {{ $schemaValue = $schema; }}
  {{?}}
#}}


{{## def.$dataNotType:_type:
  {{?$isData}} ({{=$schemaValue}} !== undefined && typeof {{=$schemaValue}} != _type) || {{?}}
#}}


{{## def.check$dataIsArray:
  if (schema{{=$lvl}} === undefined) {{=$valid}} = true;
  else if (!Array.isArray(schema{{=$lvl}})) {{=$valid}} = false;
  else {
#}}


{{## def.numberKeyword:
  {{? !($isData || typeof $schema == 'number') }}
    {{ throw new Error($keyword + ' must be number'); }}
  {{?}}
#}}


{{## def.beginDefOut:
  {{
    var $$outStack = $$outStack || [];
    $$outStack.push(out);
    out = '';
  }}
#}}


{{## def.storeDefOut:_variable:
  {{
    var _variable = out;
    out = $$outStack.pop();
  }}
#}}


{{## def.dataPath:(dataPath || ''){{? it.errorPath != '""'}} + {{= it.errorPath }}{{?}}#}}

{{## def.setParentData:
  {{
    var $parentData = $dataLvl ? 'data' + (($dataLvl-1)||'') : 'parentData'
      , $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
  }}
#}}

{{## def.passParentData:
  {{# def.setParentData }}
  , {{= $parentData }}
  , {{= $parentDataProperty }}
#}}


{{## def.iterateProperties:
  {{? $ownProperties }}
    {{=$dataProperties}} = {{=$dataProperties}} || Object.keys({{=$data}});
    for (var {{=$idx}}=0; {{=$idx}}<{{=$dataProperties}}.length; {{=$idx}}++) {
      var {{=$key}} = {{=$dataProperties}}[{{=$idx}}];
  {{??}}
    for (var {{=$key}} in {{=$data}}) {
  {{?}}
#}}


{{## def.noPropertyInData:
  {{=$useData}} === undefined
  {{? $ownProperties }}
    || !{{# def.isOwnProperty }}
  {{?}}
#}}


{{## def.isOwnProperty:
  Object.prototype.hasOwnProperty.call({{=$data}}, '{{=it.util.escapeQuotes($propertyKey)}}')
#}}
