--- /dev/null
+package org.json;
+
+/*
+Copyright (c) 2008 JSON.org
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+The Software shall be used for Good, not Evil.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+/**
+ * This provides static methods to convert an XML text into a JSONArray or
+ * JSONObject, and to covert a JSONArray or JSONObject into an XML text using
+ * the JsonML transform.
+ *
+ * @author JSON.org
+ * @version 2016-01-30
+ */
+public class JSONML {
+ /**
+ * Parse XML values and store them in a JSONArray.
+ * @param x The XMLTokener containing the source string.
+ * @param arrayForm true if array form, false if object form.
+ * @param ja The JSONArray that is containing the current tag or null
+ * if we are at the outermost level.
+ * @param keepStrings Don't type-convert text nodes and attribute values
+ * @return A JSONArray if the value is the outermost tag, otherwise null.
+ * @throws JSONException
+ */
+ private static Object parse(
+ XMLTokener x,
+ boolean arrayForm,
+ JSONArray ja,
+ boolean keepStrings
+ ) throws JSONException {
+ String attribute;
+ char c;
+ String closeTag = null;
+ int i;
+ JSONArray newja = null;
+ JSONObject newjo = null;
+ Object token;
+ String tagName = null;
+
+// Test for and skip past these forms:
+// <!-- ... -->
+// <![ ... ]]>
+// <! ... >
+// <? ... ?>
+
+ while (true) {
+ if (!x.more()) {
+ throw x.syntaxError("Bad XML");
+ }
+ token = x.nextContent();
+ if (token == XML.LT) {
+ token = x.nextToken();
+ if (token instanceof Character) {
+ if (token == XML.SLASH) {
+
+// Close tag </
+
+ token = x.nextToken();
+ if (!(token instanceof String)) {
+ throw new JSONException(
+ "Expected a closing name instead of '" +
+ token + "'.");
+ }
+ if (x.nextToken() != XML.GT) {
+ throw x.syntaxError("Misshaped close tag");
+ }
+ return token;
+ } else if (token == XML.BANG) {
+
+// <!
+
+ c = x.next();
+ if (c == '-') {
+ if (x.next() == '-') {
+ x.skipPast("-->");
+ } else {
+ x.back();
+ }
+ } else if (c == '[') {
+ token = x.nextToken();
+ if (token.equals("CDATA") && x.next() == '[') {
+ if (ja != null) {
+ ja.put(x.nextCDATA());
+ }
+ } else {
+ throw x.syntaxError("Expected 'CDATA['");
+ }
+ } else {
+ i = 1;
+ do {
+ token = x.nextMeta();
+ if (token == null) {
+ throw x.syntaxError("Missing '>' after '<!'.");
+ } else if (token == XML.LT) {
+ i += 1;
+ } else if (token == XML.GT) {
+ i -= 1;
+ }
+ } while (i > 0);
+ }
+ } else if (token == XML.QUEST) {
+
+// <?
+
+ x.skipPast("?>");
+ } else {
+ throw x.syntaxError("Misshaped tag");
+ }
+
+// Open tag <
+
+ } else {
+ if (!(token instanceof String)) {
+ throw x.syntaxError("Bad tagName '" + token + "'.");
+ }
+ tagName = (String)token;
+ newja = new JSONArray();
+ newjo = new JSONObject();
+ if (arrayForm) {
+ newja.put(tagName);
+ if (ja != null) {
+ ja.put(newja);
+ }
+ } else {
+ newjo.put("tagName", tagName);
+ if (ja != null) {
+ ja.put(newjo);
+ }
+ }
+ token = null;
+ for (;;) {
+ if (token == null) {
+ token = x.nextToken();
+ }
+ if (token == null) {
+ throw x.syntaxError("Misshaped tag");
+ }
+ if (!(token instanceof String)) {
+ break;
+ }
+
+// attribute = value
+
+ attribute = (String)token;
+ if (!arrayForm && ("tagName".equals(attribute) || "childNode".equals(attribute))) {
+ throw x.syntaxError("Reserved attribute.");
+ }
+ token = x.nextToken();
+ if (token == XML.EQ) {
+ token = x.nextToken();
+ if (!(token instanceof String)) {
+ throw x.syntaxError("Missing value");
+ }
+ newjo.accumulate(attribute, keepStrings ? ((String)token) :XML.stringToValue((String)token));
+ token = null;
+ } else {
+ newjo.accumulate(attribute, "");
+ }
+ }
+ if (arrayForm && newjo.length() > 0) {
+ newja.put(newjo);
+ }
+
+// Empty tag <.../>
+
+ if (token == XML.SLASH) {
+ if (x.nextToken() != XML.GT) {
+ throw x.syntaxError("Misshaped tag");
+ }
+ if (ja == null) {
+ if (arrayForm) {
+ return newja;
+ }
+ return newjo;
+ }
+
+// Content, between <...> and </...>
+
+ } else {
+ if (token != XML.GT) {
+ throw x.syntaxError("Misshaped tag");
+ }
+ closeTag = (String)parse(x, arrayForm, newja, keepStrings);
+ if (closeTag != null) {
+ if (!closeTag.equals(tagName)) {
+ throw x.syntaxError("Mismatched '" + tagName +
+ "' and '" + closeTag + "'");
+ }
+ tagName = null;
+ if (!arrayForm && newja.length() > 0) {
+ newjo.put("childNodes", newja);
+ }
+ if (ja == null) {
+ if (arrayForm) {
+ return newja;
+ }
+ return newjo;
+ }
+ }
+ }
+ }
+ } else {
+ if (ja != null) {
+ ja.put(token instanceof String
+ ? keepStrings ? XML.unescape((String)token) :XML.stringToValue((String)token)
+ : token);
+ }
+ }
+ }
+ }
+
+
+ /**
+ * Convert a well-formed (but not necessarily valid) XML string into a
+ * JSONArray using the JsonML transform. Each XML tag is represented as
+ * a JSONArray in which the first element is the tag name. If the tag has
+ * attributes, then the second element will be JSONObject containing the
+ * name/value pairs. If the tag contains children, then strings and
+ * JSONArrays will represent the child tags.
+ * Comments, prologs, DTDs, and <code><[ [ ]]></code> are ignored.
+ * @param string The source string.
+ * @return A JSONArray containing the structured data from the XML string.
+ * @throws JSONException Thrown on error converting to a JSONArray
+ */
+ public static JSONArray toJSONArray(String string) throws JSONException {
+ return (JSONArray)parse(new XMLTokener(string), true, null, false);
+ }
+
+
+ /**
+ * Convert a well-formed (but not necessarily valid) XML string into a
+ * JSONArray using the JsonML transform. Each XML tag is represented as
+ * a JSONArray in which the first element is the tag name. If the tag has
+ * attributes, then the second element will be JSONObject containing the
+ * name/value pairs. If the tag contains children, then strings and
+ * JSONArrays will represent the child tags.
+ * As opposed to toJSONArray this method does not attempt to convert
+ * any text node or attribute value to any type
+ * but just leaves it as a string.
+ * Comments, prologs, DTDs, and <code><[ [ ]]></code> are ignored.
+ * @param string The source string.
+ * @param keepStrings If true, then values will not be coerced into boolean
+ * or numeric values and will instead be left as strings
+ * @return A JSONArray containing the structured data from the XML string.
+ * @throws JSONException Thrown on error converting to a JSONArray
+ */
+ public static JSONArray toJSONArray(String string, boolean keepStrings) throws JSONException {
+ return (JSONArray)parse(new XMLTokener(string), true, null, keepStrings);
+ }
+
+
+ /**
+ * Convert a well-formed (but not necessarily valid) XML string into a
+ * JSONArray using the JsonML transform. Each XML tag is represented as
+ * a JSONArray in which the first element is the tag name. If the tag has
+ * attributes, then the second element will be JSONObject containing the
+ * name/value pairs. If the tag contains children, then strings and
+ * JSONArrays will represent the child content and tags.
+ * As opposed to toJSONArray this method does not attempt to convert
+ * any text node or attribute value to any type
+ * but just leaves it as a string.
+ * Comments, prologs, DTDs, and <code><[ [ ]]></code> are ignored.
+ * @param x An XMLTokener.
+ * @param keepStrings If true, then values will not be coerced into boolean
+ * or numeric values and will instead be left as strings
+ * @return A JSONArray containing the structured data from the XML string.
+ * @throws JSONException Thrown on error converting to a JSONArray
+ */
+ public static JSONArray toJSONArray(XMLTokener x, boolean keepStrings) throws JSONException {
+ return (JSONArray)parse(x, true, null, keepStrings);
+ }
+
+
+ /**
+ * Convert a well-formed (but not necessarily valid) XML string into a
+ * JSONArray using the JsonML transform. Each XML tag is represented as
+ * a JSONArray in which the first element is the tag name. If the tag has
+ * attributes, then the second element will be JSONObject containing the
+ * name/value pairs. If the tag contains children, then strings and
+ * JSONArrays will represent the child content and tags.
+ * Comments, prologs, DTDs, and <code><[ [ ]]></code> are ignored.
+ * @param x An XMLTokener.
+ * @return A JSONArray containing the structured data from the XML string.
+ * @throws JSONException Thrown on error converting to a JSONArray
+ */
+ public static JSONArray toJSONArray(XMLTokener x) throws JSONException {
+ return (JSONArray)parse(x, true, null, false);
+ }
+
+
+ /**
+ * Convert a well-formed (but not necessarily valid) XML string into a
+ * JSONObject using the JsonML transform. Each XML tag is represented as
+ * a JSONObject with a "tagName" property. If the tag has attributes, then
+ * the attributes will be in the JSONObject as properties. If the tag
+ * contains children, the object will have a "childNodes" property which
+ * will be an array of strings and JsonML JSONObjects.
+
+ * Comments, prologs, DTDs, and <code><[ [ ]]></code> are ignored.
+ * @param string The XML source text.
+ * @return A JSONObject containing the structured data from the XML string.
+ * @throws JSONException Thrown on error converting to a JSONObject
+ */
+ public static JSONObject toJSONObject(String string) throws JSONException {
+ return (JSONObject)parse(new XMLTokener(string), false, null, false);
+ }
+
+
+ /**
+ * Convert a well-formed (but not necessarily valid) XML string into a
+ * JSONObject using the JsonML transform. Each XML tag is represented as
+ * a JSONObject with a "tagName" property. If the tag has attributes, then
+ * the attributes will be in the JSONObject as properties. If the tag
+ * contains children, the object will have a "childNodes" property which
+ * will be an array of strings and JsonML JSONObjects.
+
+ * Comments, prologs, DTDs, and <code><[ [ ]]></code> are ignored.
+ * @param string The XML source text.
+ * @param keepStrings If true, then values will not be coerced into boolean
+ * or numeric values and will instead be left as strings
+ * @return A JSONObject containing the structured data from the XML string.
+ * @throws JSONException Thrown on error converting to a JSONObject
+ */
+ public static JSONObject toJSONObject(String string, boolean keepStrings) throws JSONException {
+ return (JSONObject)parse(new XMLTokener(string), false, null, keepStrings);
+ }
+
+
+ /**
+ * Convert a well-formed (but not necessarily valid) XML string into a
+ * JSONObject using the JsonML transform. Each XML tag is represented as
+ * a JSONObject with a "tagName" property. If the tag has attributes, then
+ * the attributes will be in the JSONObject as properties. If the tag
+ * contains children, the object will have a "childNodes" property which
+ * will be an array of strings and JsonML JSONObjects.
+
+ * Comments, prologs, DTDs, and <code><[ [ ]]></code> are ignored.
+ * @param x An XMLTokener of the XML source text.
+ * @return A JSONObject containing the structured data from the XML string.
+ * @throws JSONException Thrown on error converting to a JSONObject
+ */
+ public static JSONObject toJSONObject(XMLTokener x) throws JSONException {
+ return (JSONObject)parse(x, false, null, false);
+ }
+
+
+ /**
+ * Convert a well-formed (but not necessarily valid) XML string into a
+ * JSONObject using the JsonML transform. Each XML tag is represented as
+ * a JSONObject with a "tagName" property. If the tag has attributes, then
+ * the attributes will be in the JSONObject as properties. If the tag
+ * contains children, the object will have a "childNodes" property which
+ * will be an array of strings and JsonML JSONObjects.
+
+ * Comments, prologs, DTDs, and <code><[ [ ]]></code> are ignored.
+ * @param x An XMLTokener of the XML source text.
+ * @param keepStrings If true, then values will not be coerced into boolean
+ * or numeric values and will instead be left as strings
+ * @return A JSONObject containing the structured data from the XML string.
+ * @throws JSONException Thrown on error converting to a JSONObject
+ */
+ public static JSONObject toJSONObject(XMLTokener x, boolean keepStrings) throws JSONException {
+ return (JSONObject)parse(x, false, null, keepStrings);
+ }
+
+
+ /**
+ * Reverse the JSONML transformation, making an XML text from a JSONArray.
+ * @param ja A JSONArray.
+ * @return An XML string.
+ * @throws JSONException Thrown on error converting to a string
+ */
+ public static String toString(JSONArray ja) throws JSONException {
+ int i;
+ JSONObject jo;
+ int length;
+ Object object;
+ StringBuilder sb = new StringBuilder();
+ String tagName;
+
+// Emit <tagName
+
+ tagName = ja.getString(0);
+ XML.noSpace(tagName);
+ tagName = XML.escape(tagName);
+ sb.append('<');
+ sb.append(tagName);
+
+ object = ja.opt(1);
+ if (object instanceof JSONObject) {
+ i = 2;
+ jo = (JSONObject)object;
+
+// Emit the attributes
+
+ // Don't use the new entrySet API to maintain Android support
+ for (final String key : jo.keySet()) {
+ final Object value = jo.opt(key);
+ XML.noSpace(key);
+ if (value != null) {
+ sb.append(' ');
+ sb.append(XML.escape(key));
+ sb.append('=');
+ sb.append('"');
+ sb.append(XML.escape(value.toString()));
+ sb.append('"');
+ }
+ }
+ } else {
+ i = 1;
+ }
+
+// Emit content in body
+
+ length = ja.length();
+ if (i >= length) {
+ sb.append('/');
+ sb.append('>');
+ } else {
+ sb.append('>');
+ do {
+ object = ja.get(i);
+ i += 1;
+ if (object != null) {
+ if (object instanceof String) {
+ sb.append(XML.escape(object.toString()));
+ } else if (object instanceof JSONObject) {
+ sb.append(toString((JSONObject)object));
+ } else if (object instanceof JSONArray) {
+ sb.append(toString((JSONArray)object));
+ } else {
+ sb.append(object.toString());
+ }
+ }
+ } while (i < length);
+ sb.append('<');
+ sb.append('/');
+ sb.append(tagName);
+ sb.append('>');
+ }
+ return sb.toString();
+ }
+
+ /**
+ * Reverse the JSONML transformation, making an XML text from a JSONObject.
+ * The JSONObject must contain a "tagName" property. If it has children,
+ * then it must have a "childNodes" property containing an array of objects.
+ * The other properties are attributes with string values.
+ * @param jo A JSONObject.
+ * @return An XML string.
+ * @throws JSONException Thrown on error converting to a string
+ */
+ public static String toString(JSONObject jo) throws JSONException {
+ StringBuilder sb = new StringBuilder();
+ int i;
+ JSONArray ja;
+ int length;
+ Object object;
+ String tagName;
+ Object value;
+
+//Emit <tagName
+
+ tagName = jo.optString("tagName");
+ if (tagName == null) {
+ return XML.escape(jo.toString());
+ }
+ XML.noSpace(tagName);
+ tagName = XML.escape(tagName);
+ sb.append('<');
+ sb.append(tagName);
+
+//Emit the attributes
+
+ // Don't use the new entrySet API to maintain Android support
+ for (final String key : jo.keySet()) {
+ if (!"tagName".equals(key) && !"childNodes".equals(key)) {
+ XML.noSpace(key);
+ value = jo.opt(key);
+ if (value != null) {
+ sb.append(' ');
+ sb.append(XML.escape(key));
+ sb.append('=');
+ sb.append('"');
+ sb.append(XML.escape(value.toString()));
+ sb.append('"');
+ }
+ }
+ }
+
+//Emit content in body
+
+ ja = jo.optJSONArray("childNodes");
+ if (ja == null) {
+ sb.append('/');
+ sb.append('>');
+ } else {
+ sb.append('>');
+ length = ja.length();
+ for (i = 0; i < length; i += 1) {
+ object = ja.get(i);
+ if (object != null) {
+ if (object instanceof String) {
+ sb.append(XML.escape(object.toString()));
+ } else if (object instanceof JSONObject) {
+ sb.append(toString((JSONObject)object));
+ } else if (object instanceof JSONArray) {
+ sb.append(toString((JSONArray)object));
+ } else {
+ sb.append(object.toString());
+ }
+ }
+ }
+ sb.append('<');
+ sb.append('/');
+ sb.append(tagName);
+ sb.append('>');
+ }
+ return sb.toString();
+ }
+}
git://source.jalview.org / jalview.git / blobdiff