Bug:Fix file validation issue
[vnfsdk/refrepo.git] / vnfmarket / src / main / webapp / vnfmarket / node_modules / handlebars / dist / amd / handlebars / compiler / visitor.js
1 define(['exports', 'module', '../exception'], function (exports, module, _exception) {
2   'use strict';
3
4   // istanbul ignore next
5
6   function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
7
8   var _Exception = _interopRequireDefault(_exception);
9
10   function Visitor() {
11     this.parents = [];
12   }
13
14   Visitor.prototype = {
15     constructor: Visitor,
16     mutating: false,
17
18     // Visits a given value. If mutating, will replace the value if necessary.
19     acceptKey: function acceptKey(node, name) {
20       var value = this.accept(node[name]);
21       if (this.mutating) {
22         // Hacky sanity check: This may have a few false positives for type for the helper
23         // methods but will generally do the right thing without a lot of overhead.
24         if (value && !Visitor.prototype[value.type]) {
25           throw new _Exception['default']('Unexpected node type "' + value.type + '" found when accepting ' + name + ' on ' + node.type);
26         }
27         node[name] = value;
28       }
29     },
30
31     // Performs an accept operation with added sanity check to ensure
32     // required keys are not removed.
33     acceptRequired: function acceptRequired(node, name) {
34       this.acceptKey(node, name);
35
36       if (!node[name]) {
37         throw new _Exception['default'](node.type + ' requires ' + name);
38       }
39     },
40
41     // Traverses a given array. If mutating, empty respnses will be removed
42     // for child elements.
43     acceptArray: function acceptArray(array) {
44       for (var i = 0, l = array.length; i < l; i++) {
45         this.acceptKey(array, i);
46
47         if (!array[i]) {
48           array.splice(i, 1);
49           i--;
50           l--;
51         }
52       }
53     },
54
55     accept: function accept(object) {
56       if (!object) {
57         return;
58       }
59
60       /* istanbul ignore next: Sanity code */
61       if (!this[object.type]) {
62         throw new _Exception['default']('Unknown type: ' + object.type, object);
63       }
64
65       if (this.current) {
66         this.parents.unshift(this.current);
67       }
68       this.current = object;
69
70       var ret = this[object.type](object);
71
72       this.current = this.parents.shift();
73
74       if (!this.mutating || ret) {
75         return ret;
76       } else if (ret !== false) {
77         return object;
78       }
79     },
80
81     Program: function Program(program) {
82       this.acceptArray(program.body);
83     },
84
85     MustacheStatement: visitSubExpression,
86     Decorator: visitSubExpression,
87
88     BlockStatement: visitBlock,
89     DecoratorBlock: visitBlock,
90
91     PartialStatement: visitPartial,
92     PartialBlockStatement: function PartialBlockStatement(partial) {
93       visitPartial.call(this, partial);
94
95       this.acceptKey(partial, 'program');
96     },
97
98     ContentStatement: function ContentStatement() /* content */{},
99     CommentStatement: function CommentStatement() /* comment */{},
100
101     SubExpression: visitSubExpression,
102
103     PathExpression: function PathExpression() /* path */{},
104
105     StringLiteral: function StringLiteral() /* string */{},
106     NumberLiteral: function NumberLiteral() /* number */{},
107     BooleanLiteral: function BooleanLiteral() /* bool */{},
108     UndefinedLiteral: function UndefinedLiteral() /* literal */{},
109     NullLiteral: function NullLiteral() /* literal */{},
110
111     Hash: function Hash(hash) {
112       this.acceptArray(hash.pairs);
113     },
114     HashPair: function HashPair(pair) {
115       this.acceptRequired(pair, 'value');
116     }
117   };
118
119   function visitSubExpression(mustache) {
120     this.acceptRequired(mustache, 'path');
121     this.acceptArray(mustache.params);
122     this.acceptKey(mustache, 'hash');
123   }
124   function visitBlock(block) {
125     visitSubExpression.call(this, block);
126
127     this.acceptKey(block, 'program');
128     this.acceptKey(block, 'inverse');
129   }
130   function visitPartial(partial) {
131     this.acceptRequired(partial, 'name');
132     this.acceptArray(partial.params);
133     this.acceptKey(partial, 'hash');
134   }
135
136   module.exports = Visitor;
137 });
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If mutating, will replace the value if necessary.\n  acceptKey: function(node, name) {\n    let value = this.accept(node[name]);\n    if (this.mutating) {\n      // Hacky sanity check: This may have a few false positives for type for the helper\n      // methods but will generally do the right thing without a lot of overhead.\n      if (value && !Visitor.prototype[value.type]) {\n        throw new Exception('Unexpected node type \"' + value.type + '\" found when accepting ' + name + ' on ' + node.type);\n      }\n      node[name] = value;\n    }\n  },\n\n  // Performs an accept operation with added sanity check to ensure\n  // required keys are not removed.\n  acceptRequired: function(node, name) {\n    this.acceptKey(node, name);\n\n    if (!node[name]) {\n      throw new Exception(node.type + ' requires ' + name);\n    }\n  },\n\n  // Traverses a given array. If mutating, empty respnses will be removed\n  // for child elements.\n  acceptArray: function(array) {\n    for (let i = 0, l = array.length; i < l; i++) {\n      this.acceptKey(array, i);\n\n      if (!array[i]) {\n        array.splice(i, 1);\n        i--;\n        l--;\n      }\n    }\n  },\n\n  accept: function(object) {\n    if (!object) {\n      return;\n    }\n\n    /* istanbul ignore next: Sanity code */\n    if (!this[object.type]) {\n      throw new Exception('Unknown type: ' + object.type, object);\n    }\n\n    if (this.current) {\n      this.parents.unshift(this.current);\n    }\n    this.current = object;\n\n    let ret = this[object.type](object);\n\n    this.current = this.parents.shift();\n\n    if (!this.mutating || ret) {\n      return ret;\n    } else if (ret !== false) {\n      return object;\n    }\n  },\n\n  Program: function(program) {\n    this.acceptArray(program.body);\n  },\n\n  MustacheStatement: visitSubExpression,\n  Decorator: visitSubExpression,\n\n  BlockStatement: visitBlock,\n  DecoratorBlock: visitBlock,\n\n  PartialStatement: visitPartial,\n  PartialBlockStatement: function(partial) {\n    visitPartial.call(this, partial);\n\n    this.acceptKey(partial, 'program');\n  },\n\n  ContentStatement: function(/* content */) {},\n  CommentStatement: function(/* comment */) {},\n\n  SubExpression: visitSubExpression,\n\n  PathExpression: function(/* path */) {},\n\n  StringLiteral: function(/* string */) {},\n  NumberLiteral: function(/* number */) {},\n  BooleanLiteral: function(/* bool */) {},\n  UndefinedLiteral: function(/* literal */) {},\n  NullLiteral: function(/* literal */) {},\n\n  Hash: function(hash) {\n    this.acceptArray(hash.pairs);\n  },\n  HashPair: function(pair) {\n    this.acceptRequired(pair, 'value');\n  }\n};\n\nfunction visitSubExpression(mustache) {\n  this.acceptRequired(mustache, 'path');\n  this.acceptArray(mustache.params);\n  this.acceptKey(mustache, 'hash');\n}\nfunction visitBlock(block) {\n  visitSubExpression.call(this, block);\n\n  this.acceptKey(block, 'program');\n  this.acceptKey(block, 'inverse');\n}\nfunction visitPartial(partial) {\n  this.acceptRequired(partial, 'name');\n  this.acceptArray(partial.params);\n  this.acceptKey(partial, 'hash');\n}\n\nexport default Visitor;\n"]}