Revert "Merge pull request #877 from rikkarth/feat/871-strictMode"

This reverts commit d02ac0f2a3, reversing
changes made to cfd47615d0.
This commit is contained in:
Sean Leary
2024-11-03 09:50:08 -06:00
parent 61dc2644d8
commit 215ec9bb9c
6 changed files with 109 additions and 764 deletions

View File

@@ -284,14 +284,13 @@ public class JSONTokener {
* Backslash processing is done. The formal JSON format does not
* allow strings in single quotes, but an implementation is allowed to
* accept them.
* If strictMode is true, this implementation will not accept unbalanced quotes (e.g will not accept <code>"test'</code>)
* @param quote The quoting character, either
* <code>"</code>&nbsp;<small>(double quote)</small> or
* <code>'</code>&nbsp;<small>(single quote)</small>.
* @return A String.
* @throws JSONException Unterminated string or unbalanced quotes if strictMode == true.
* @return A String.
* @throws JSONException Unterminated string.
*/
public String nextString(char quote, boolean strictMode) throws JSONException {
public String nextString(char quote) throws JSONException {
char c;
StringBuilder sb = new StringBuilder();
for (;;) {
@@ -339,21 +338,11 @@ public class JSONTokener {
throw this.syntaxError("Illegal escape. Escape sequence \\" + c + " is not valid.");
}
break;
default:
if (strictMode && c == '\"' && quote != c) {
throw this.syntaxError(String.format(
"Field contains unbalanced quotes. Starts with %s but ends with double quote.", quote));
}
if (strictMode && c == '\'' && quote != c) {
throw this.syntaxError(String.format(
"Field contains unbalanced quotes. Starts with %s but ends with single quote.", quote));
}
if (c == quote) {
return sb.toString();
}
sb.append(c);
default:
if (c == quote) {
return sb.toString();
}
sb.append(c);
}
}
}
@@ -408,103 +397,51 @@ public class JSONTokener {
/**
* Get the next value. The value can be a Boolean, Double, Integer, JSONArray, JSONObject, Long, or String, or the
* JSONObject.NULL object.
* Get the next value. The value can be a Boolean, Double, Integer,
* JSONArray, JSONObject, Long, or String, or the JSONObject.NULL object.
* @throws JSONException If syntax error.
*
* @return An object.
* @throws JSONException If syntax error.
*/
public Object nextValue() throws JSONException {
return nextValue(new JSONParserConfiguration());
}
/**
* Get the next value. The value can be a Boolean, Double, Integer, JSONArray, JSONObject, Long, or String, or the
* JSONObject.NULL object. The strictMode parameter controls the behavior of the method when parsing the value.
*
* @param jsonParserConfiguration which carries options such as strictMode, these methods will
* strictly adhere to the JSON syntax, throwing a JSONException for any deviations.
* @return An object.
* @throws JSONException If syntax error.
*/
public Object nextValue(JSONParserConfiguration jsonParserConfiguration) throws JSONException {
char c = this.nextClean();
switch (c) {
case '{':
this.back();
try {
return new JSONObject(this, jsonParserConfiguration);
} catch (StackOverflowError e) {
throw new JSONException("JSON Array or Object depth too large to process.", e);
}
case '[':
this.back();
try {
return new JSONArray(this);
} catch (StackOverflowError e) {
throw new JSONException("JSON Array or Object depth too large to process.", e);
}
default:
return nextSimpleValue(c, jsonParserConfiguration);
case '{':
this.back();
try {
return new JSONObject(this);
} catch (StackOverflowError e) {
throw new JSONException("JSON Array or Object depth too large to process.", e);
}
case '[':
this.back();
try {
return new JSONArray(this);
} catch (StackOverflowError e) {
throw new JSONException("JSON Array or Object depth too large to process.", e);
}
}
return nextSimpleValue(c);
}
/**
* This method is used to get a JSONObject from the JSONTokener. The strictMode parameter controls the behavior of
* the method when parsing the JSONObject.
*
* @param jsonParserConfiguration which carries options such as strictMode, these methods will
* strictly adhere to the JSON syntax, throwing a JSONException for any deviations.
* deviations.
* @return A JSONObject which is the next value in the JSONTokener.
* @throws JSONException If the JSONObject or JSONArray depth is too large to process.
*/
private JSONObject getJsonObject(JSONParserConfiguration jsonParserConfiguration) {
try {
return new JSONObject(this, jsonParserConfiguration);
} catch (StackOverflowError e) {
throw new JSONException("JSON Array or Object depth too large to process.", e);
}
}
Object nextSimpleValue(char c) {
String string;
/**
* This method is used to get a JSONArray from the JSONTokener.
*
* @return A JSONArray which is the next value in the JSONTokener.
* @throws JSONException If the JSONArray depth is too large to process.
*/
private JSONArray getJsonArray() {
try {
return new JSONArray(this);
} catch (StackOverflowError e) {
throw new JSONException("JSON Array or Object depth too large to process.", e);
}
}
Object nextSimpleValue(char c, JSONParserConfiguration jsonParserConfiguration) {
boolean strictMode = jsonParserConfiguration.isStrictMode();
if(strictMode && c == '\''){
throw this.syntaxError("Single quote wrap not allowed in strict mode");
switch (c) {
case '"':
case '\'':
return this.nextString(c);
}
if (c == '"' || c == '\'') {
return this.nextString(c, strictMode);
}
/*
* Handle unquoted text. This could be the values true, false, or
* null, or it can be a number. An implementation (such as this one)
* is allowed to also accept non-standard forms.
*
* Accumulate characters until we reach the end of the text or a
* formatting character.
*/
return parsedUnquotedText(c, strictMode);
}
/**
* Parses unquoted text from the JSON input. This could be the values true, false, or null, or it can be a number.
* Non-standard forms are also accepted. Characters are accumulated until the end of the text or a formatting
* character is reached.
*
* @param c The starting character.
* @return The parsed object.
* @throws JSONException If the parsed string is empty.
*/
private Object parsedUnquotedText(char c, boolean strictMode) {
StringBuilder sb = new StringBuilder();
while (c >= ' ' && ",:]}/\\\"[{;=#".indexOf(c) < 0) {
sb.append(c);
@@ -514,37 +451,13 @@ public class JSONTokener {
this.back();
}
String string = sb.toString().trim();
if (strictMode) {
boolean isBooleanOrNumeric = checkIfValueIsBooleanOrNumeric(string);
if (isBooleanOrNumeric) {
return string;
}
throw new JSONException(String.format("Value is not surrounded by quotes: %s", string));
}
if (string.isEmpty()) {
string = sb.toString().trim();
if ("".equals(string)) {
throw this.syntaxError("Missing value");
}
return JSONObject.stringToValue(string);
}
private boolean checkIfValueIsBooleanOrNumeric(Object valueToValidate) {
String stringToValidate = valueToValidate.toString();
if (stringToValidate.equals("true") || stringToValidate.equals("false")) {
return true;
}
try {
Double.parseDouble(stringToValidate);
return true;
} catch (NumberFormatException e) {
return false;
}
}
/**
* Skip characters until the next character is the requested character.