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JS: Lift JSON accessors to JSONValue

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This commit is contained in:
Asger Feldthaus
2021-04-01 11:49:17 +01:00
parent e1d0bbb021
commit 7c13163413
1 changed files with 19 additions and 10 deletions
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29
javascript/ql/src/semmle/javascript/JSON.qll
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@@ -41,6 +41,21 @@ class JSONValue extends @json_value, Locatable {
)
}
/** If this is an object, gets the value of property `name`. */
JSONValue getPropValue(string name) { json_properties(this, name, result) }
/** If this is an array, gets the value of the `i`th element. */
JSONValue getElementValue(int i) { result = this.(JSONArray).getChild(i) }
/** If this is a string constant, gets the value of the string. */
string getStringValue() { result = this.(JSONString).getValue() }
/** If this is an integer constant, gets its numeric value. */
int getIntValue() { result = this.(JSONNumber).getValue().toInt() }
/** If this is a boolean constant, gets its boolean value. */
boolean getBooleanValue() { result.toString() = this.(JSONBoolean).getValue() }
override string getAPrimaryQlClass() { result = "JSONValue" }
}
@@ -129,13 +144,10 @@ class JSONString extends @json_string, JSONPrimitiveValue {
* ```
*/
class JSONArray extends @json_array, JSONValue {
/** Gets the value of the `i`th element of this array. */
JSONValue getElementValue(int i) { result = getChild(i) }
override string getAPrimaryQlClass() { result = "JSONArray" }
/** Gets the string value of the `i`th element of this array. */
string getElementStringValue(int i) { result = getElementValue(i).(JSONString).getValue() }
override string getAPrimaryQlClass() { result = "JSONArray" }
string getElementStringValue(int i) { result = getElementValue(i).getStringValue() }
}
/**
@@ -148,13 +160,10 @@ class JSONArray extends @json_array, JSONValue {
* ```
*/
class JSONObject extends @json_object, JSONValue {
/** Gets the value of property `name` of this object. */
JSONValue getPropValue(string name) { json_properties(this, name, result) }
override string getAPrimaryQlClass() { result = "JSONObject" }
/** Gets the string value of property `name` of this object. */
string getPropStringValue(string name) { result = getPropValue(name).(JSONString).getValue() }
override string getAPrimaryQlClass() { result = "JSONObject" }
string getPropStringValue(string name) { result = getPropValue(name).getStringValue() }
}
/**