From: hansonr Date: Sat, 23 Jun 2018 23:00:33 +0000 (+0100) Subject: org.json.simple X-Git-Tag: Release_2_11_4_0~45^2~18^2~657 X-Git-Url: http://source.jalview.org/gitweb/?a=commitdiff_plain;h=9b66182c509351fe033d474734c1eb368418a0f4;p=jalview.git org.json.simple --- diff --git a/src/org/json/simple/ItemList.java b/src/org/json/simple/ItemList.java new file mode 100644 index 0000000..830961b --- /dev/null +++ b/src/org/json/simple/ItemList.java @@ -0,0 +1,147 @@ +/* + * $Id: ItemList.java,v 1.1 2006/04/15 14:10:48 platform Exp $ + * Created on 2006-3-24 + */ +package org.json.simple; + +import java.util.ArrayList; +import java.util.List; +import java.util.StringTokenizer; + +/** + * |a:b:c| => |a|,|b|,|c| + * |:| => ||,|| + * |a:| => |a|,|| + * @author FangYidong + */ +public class ItemList { + private String sp=","; + List items=new ArrayList(); + + + public ItemList(){} + + + public ItemList(String s){ + this.split(s,sp,items); + } + + public ItemList(String s,String sp){ + this.sp=s; + this.split(s,sp,items); + } + + public ItemList(String s,String sp,boolean isMultiToken){ + split(s,sp,items,isMultiToken); + } + + public List getItems(){ + return this.items; + } + + public String[] getArray(){ + return (String[])this.items.toArray(); + } + + public void split(String s,String sp,List append,boolean isMultiToken){ + if(s==null || sp==null) + return; + if(isMultiToken){ + StringTokenizer tokens=new StringTokenizer(s,sp); + while(tokens.hasMoreTokens()){ + append.add(tokens.nextToken().trim()); + } + } + else{ + this.split(s,sp,append); + } + } + + public void split(String s,String sp,List append){ + if(s==null || sp==null) + return; + int pos=0; + int prevPos=0; + do{ + prevPos=pos; + pos=s.indexOf(sp,pos); + if(pos==-1) + break; + append.add(s.substring(prevPos,pos).trim()); + pos+=sp.length(); + }while(pos!=-1); + append.add(s.substring(prevPos).trim()); + } + + public void setSP(String sp){ + this.sp=sp; + } + + public void add(int i,String item){ + if(item==null) + return; + items.add(i,item.trim()); + } + + public void add(String item){ + if(item==null) + return; + items.add(item.trim()); + } + + public void addAll(ItemList list){ + items.addAll(list.items); + } + + public void addAll(String s){ + this.split(s,sp,items); + } + + public void addAll(String s,String sp){ + this.split(s,sp,items); + } + + public void addAll(String s,String sp,boolean isMultiToken){ + this.split(s,sp,items,isMultiToken); + } + + /** + * @param i 0-based + * @return + */ + public String get(int i){ + return (String)items.get(i); + } + + public int size(){ + return items.size(); + } + + public String toString(){ + return toString(sp); + } + + public String toString(String sp){ + StringBuffer sb=new StringBuffer(); + + for(int i=0;i + */ +public class JSONArray extends ArrayList implements JSONAware, JSONStreamAware { + private static final long serialVersionUID = 3957988303675231981L; + + /** + * Constructs an empty JSONArray. + */ + public JSONArray(){ + super(); + } + + /** + * Constructs a JSONArray containing the elements of the specified + * collection, in the order they are returned by the collection's iterator. + * + * @param c the collection whose elements are to be placed into this JSONArray + */ + public JSONArray(Collection c){ + super(c); + } + + /** + * Encode a list into JSON text and write it to out. + * If this list is also a JSONStreamAware or a JSONAware, JSONStreamAware and JSONAware specific behaviours will be ignored at this top level. + * + * @see org.json.simple.JSONValue#writeJSONString(Object, Writer) + * + * @param collection + * @param out + */ + public static void writeJSONString(Collection collection, Writer out) throws IOException{ + if(collection == null){ + out.write("null"); + return; + } + + boolean first = true; + Iterator iter=collection.iterator(); + + out.write('['); + while(iter.hasNext()){ + if(first) + first = false; + else + out.write(','); + + Object value=iter.next(); + if(value == null){ + out.write("null"); + continue; + } + + JSONValue.writeJSONString(value, out); + } + out.write(']'); + } + + public void writeJSONString(Writer out) throws IOException{ + writeJSONString(this, out); + } + + /** + * Convert a list to JSON text. The result is a JSON array. + * If this list is also a JSONAware, JSONAware specific behaviours will be omitted at this top level. + * + * @see org.json.simple.JSONValue#toJSONString(Object) + * + * @param collection + * @return JSON text, or "null" if list is null. + */ + public static String toJSONString(Collection collection){ + final StringWriter writer = new StringWriter(); + + try { + writeJSONString(collection, writer); + return writer.toString(); + } catch(IOException e){ + // This should never happen for a StringWriter + throw new RuntimeException(e); + } + } + + public static void writeJSONString(byte[] array, Writer out) throws IOException{ + if(array == null){ + out.write("null"); + } else if(array.length == 0) { + out.write("[]"); + } else { + out.write("["); + out.write(String.valueOf(array[0])); + + for(int i = 1; i < array.length; i++){ + out.write(","); + out.write(String.valueOf(array[i])); + } + + out.write("]"); + } + } + + public static String toJSONString(byte[] array){ + final StringWriter writer = new StringWriter(); + + try { + writeJSONString(array, writer); + return writer.toString(); + } catch(IOException e){ + // This should never happen for a StringWriter + throw new RuntimeException(e); + } + } + + public static void writeJSONString(short[] array, Writer out) throws IOException{ + if(array == null){ + out.write("null"); + } else if(array.length == 0) { + out.write("[]"); + } else { + out.write("["); + out.write(String.valueOf(array[0])); + + for(int i = 1; i < array.length; i++){ + out.write(","); + out.write(String.valueOf(array[i])); + } + + out.write("]"); + } + } + + public static String toJSONString(short[] array){ + final StringWriter writer = new StringWriter(); + + try { + writeJSONString(array, writer); + return writer.toString(); + } catch(IOException e){ + // This should never happen for a StringWriter + throw new RuntimeException(e); + } + } + + public static void writeJSONString(int[] array, Writer out) throws IOException{ + if(array == null){ + out.write("null"); + } else if(array.length == 0) { + out.write("[]"); + } else { + out.write("["); + out.write(String.valueOf(array[0])); + + for(int i = 1; i < array.length; i++){ + out.write(","); + out.write(String.valueOf(array[i])); + } + + out.write("]"); + } + } + + public static String toJSONString(int[] array){ + final StringWriter writer = new StringWriter(); + + try { + writeJSONString(array, writer); + return writer.toString(); + } catch(IOException e){ + // This should never happen for a StringWriter + throw new RuntimeException(e); + } + } + + public static void writeJSONString(long[] array, Writer out) throws IOException{ + if(array == null){ + out.write("null"); + } else if(array.length == 0) { + out.write("[]"); + } else { + out.write("["); + out.write(String.valueOf(array[0])); + + for(int i = 1; i < array.length; i++){ + out.write(","); + out.write(String.valueOf(array[i])); + } + + out.write("]"); + } + } + + public static String toJSONString(long[] array){ + final StringWriter writer = new StringWriter(); + + try { + writeJSONString(array, writer); + return writer.toString(); + } catch(IOException e){ + // This should never happen for a StringWriter + throw new RuntimeException(e); + } + } + + public static void writeJSONString(float[] array, Writer out) throws IOException{ + if(array == null){ + out.write("null"); + } else if(array.length == 0) { + out.write("[]"); + } else { + out.write("["); + out.write(String.valueOf(array[0])); + + for(int i = 1; i < array.length; i++){ + out.write(","); + out.write(String.valueOf(array[i])); + } + + out.write("]"); + } + } + + public static String toJSONString(float[] array){ + final StringWriter writer = new StringWriter(); + + try { + writeJSONString(array, writer); + return writer.toString(); + } catch(IOException e){ + // This should never happen for a StringWriter + throw new RuntimeException(e); + } + } + + public static void writeJSONString(double[] array, Writer out) throws IOException{ + if(array == null){ + out.write("null"); + } else if(array.length == 0) { + out.write("[]"); + } else { + out.write("["); + out.write(String.valueOf(array[0])); + + for(int i = 1; i < array.length; i++){ + out.write(","); + out.write(String.valueOf(array[i])); + } + + out.write("]"); + } + } + + public static String toJSONString(double[] array){ + final StringWriter writer = new StringWriter(); + + try { + writeJSONString(array, writer); + return writer.toString(); + } catch(IOException e){ + // This should never happen for a StringWriter + throw new RuntimeException(e); + } + } + + public static void writeJSONString(boolean[] array, Writer out) throws IOException{ + if(array == null){ + out.write("null"); + } else if(array.length == 0) { + out.write("[]"); + } else { + out.write("["); + out.write(String.valueOf(array[0])); + + for(int i = 1; i < array.length; i++){ + out.write(","); + out.write(String.valueOf(array[i])); + } + + out.write("]"); + } + } + + public static String toJSONString(boolean[] array){ + final StringWriter writer = new StringWriter(); + + try { + writeJSONString(array, writer); + return writer.toString(); + } catch(IOException e){ + // This should never happen for a StringWriter + throw new RuntimeException(e); + } + } + + public static void writeJSONString(char[] array, Writer out) throws IOException{ + if(array == null){ + out.write("null"); + } else if(array.length == 0) { + out.write("[]"); + } else { + out.write("[\""); + out.write(String.valueOf(array[0])); + + for(int i = 1; i < array.length; i++){ + out.write("\",\""); + out.write(String.valueOf(array[i])); + } + + out.write("\"]"); + } + } + + public static String toJSONString(char[] array){ + final StringWriter writer = new StringWriter(); + + try { + writeJSONString(array, writer); + return writer.toString(); + } catch(IOException e){ + // This should never happen for a StringWriter + throw new RuntimeException(e); + } + } + + public static void writeJSONString(Object[] array, Writer out) throws IOException{ + if(array == null){ + out.write("null"); + } else if(array.length == 0) { + out.write("[]"); + } else { + out.write("["); + JSONValue.writeJSONString(array[0], out); + + for(int i = 1; i < array.length; i++){ + out.write(","); + JSONValue.writeJSONString(array[i], out); + } + + out.write("]"); + } + } + + public static String toJSONString(Object[] array){ + final StringWriter writer = new StringWriter(); + + try { + writeJSONString(array, writer); + return writer.toString(); + } catch(IOException e){ + // This should never happen for a StringWriter + throw new RuntimeException(e); + } + } + + public String toJSONString(){ + return toJSONString(this); + } + + /** + * Returns a string representation of this array. This is equivalent to + * calling {@link JSONArray#toJSONString()}. + */ + public String toString() { + return toJSONString(); + } +} diff --git a/src/org/json/simple/JSONAware.java b/src/org/json/simple/JSONAware.java new file mode 100644 index 0000000..5e7452f --- /dev/null +++ b/src/org/json/simple/JSONAware.java @@ -0,0 +1,12 @@ +package org.json.simple; + +/** + * Beans that support customized output of JSON text shall implement this interface. + * @author FangYidong + */ +public interface JSONAware { + /** + * @return JSON text + */ + String toJSONString(); +} diff --git a/src/org/json/simple/JSONObject.java b/src/org/json/simple/JSONObject.java new file mode 100644 index 0000000..fafa36b --- /dev/null +++ b/src/org/json/simple/JSONObject.java @@ -0,0 +1,132 @@ +/* + * $Id: JSONObject.java,v 1.1 2006/04/15 14:10:48 platform Exp $ + * Created on 2006-4-10 + */ +package org.json.simple; + +import java.io.IOException; +import java.io.StringWriter; +import java.io.Writer; +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; + +/** + * A JSON object. Key value pairs are unordered. JSONObject supports java.util.Map interface. + * + * @author FangYidong + */ +public class JSONObject extends HashMap implements Map, JSONAware, JSONStreamAware{ + + private static final long serialVersionUID = -503443796854799292L; + + + public JSONObject() { + super(); + } + + /** + * Allows creation of a JSONObject from a Map. After that, both the + * generated JSONObject and the Map can be modified independently. + * + * @param map + */ + public JSONObject(Map map) { + super(map); + } + + + /** + * Encode a map into JSON text and write it to out. + * If this map is also a JSONAware or JSONStreamAware, JSONAware or JSONStreamAware specific behaviours will be ignored at this top level. + * + * @see org.json.simple.JSONValue#writeJSONString(Object, Writer) + * + * @param map + * @param out + */ + public static void writeJSONString(Map map, Writer out) throws IOException { + if(map == null){ + out.write("null"); + return; + } + + boolean first = true; + Iterator iter=map.entrySet().iterator(); + + out.write('{'); + while(iter.hasNext()){ + if(first) + first = false; + else + out.write(','); + Map.Entry entry=(Map.Entry)iter.next(); + out.write('\"'); + out.write(escape(String.valueOf(entry.getKey()))); + out.write('\"'); + out.write(':'); + JSONValue.writeJSONString(entry.getValue(), out); + } + out.write('}'); + } + + public void writeJSONString(Writer out) throws IOException{ + writeJSONString(this, out); + } + + /** + * Convert a map to JSON text. The result is a JSON object. + * If this map is also a JSONAware, JSONAware specific behaviours will be omitted at this top level. + * + * @see org.json.simple.JSONValue#toJSONString(Object) + * + * @param map + * @return JSON text, or "null" if map is null. + */ + public static String toJSONString(Map map){ + final StringWriter writer = new StringWriter(); + + try { + writeJSONString(map, writer); + return writer.toString(); + } catch (IOException e) { + // This should never happen with a StringWriter + throw new RuntimeException(e); + } + } + + public String toJSONString(){ + return toJSONString(this); + } + + public String toString(){ + return toJSONString(); + } + + public static String toString(String key,Object value){ + StringBuffer sb = new StringBuffer(); + sb.append('\"'); + if(key == null) + sb.append("null"); + else + JSONValue.escape(key, sb); + sb.append('\"').append(':'); + + sb.append(JSONValue.toJSONString(value)); + + return sb.toString(); + } + + /** + * Escape quotes, \, /, \r, \n, \b, \f, \t and other control characters (U+0000 through U+001F). + * It's the same as JSONValue.escape() only for compatibility here. + * + * @see org.json.simple.JSONValue#escape(String) + * + * @param s + * @return + */ + public static String escape(String s){ + return JSONValue.escape(s); + } +} diff --git a/src/org/json/simple/JSONStreamAware.java b/src/org/json/simple/JSONStreamAware.java new file mode 100644 index 0000000..ab63b3e --- /dev/null +++ b/src/org/json/simple/JSONStreamAware.java @@ -0,0 +1,15 @@ +package org.json.simple; + +import java.io.IOException; +import java.io.Writer; + +/** + * Beans that support customized output of JSON text to a writer shall implement this interface. + * @author FangYidong + */ +public interface JSONStreamAware { + /** + * write JSON string to out. + */ + void writeJSONString(Writer out) throws IOException; +} diff --git a/src/org/json/simple/JSONValue.java b/src/org/json/simple/JSONValue.java new file mode 100644 index 0000000..5da3cd0 --- /dev/null +++ b/src/org/json/simple/JSONValue.java @@ -0,0 +1,316 @@ +/* + * $Id: JSONValue.java,v 1.1 2006/04/15 14:37:04 platform Exp $ + * Created on 2006-4-15 + */ +package org.json.simple; + +import java.io.IOException; +import java.io.Reader; +import java.io.StringReader; +import java.io.StringWriter; +import java.io.Writer; +import java.util.Collection; +// import java.util.List; +import java.util.Map; + +import org.json.simple.parser.JSONParser; +import org.json.simple.parser.ParseException; + + +/** + * @author FangYidong + */ +public class JSONValue { + /** + * Parse JSON text into java object from the input source. + * Please use parseWithException() if you don't want to ignore the exception. + * + * @see org.json.simple.parser.JSONParser#parse(Reader) + * @see #parseWithException(Reader) + * + * @param in + * @return Instance of the following: + * org.json.simple.JSONObject, + * org.json.simple.JSONArray, + * java.lang.String, + * java.lang.Number, + * java.lang.Boolean, + * null + * + * @deprecated this method may throw an {@code Error} instead of returning + * {@code null}; please use {@link JSONValue#parseWithException(Reader)} + * instead + */ + public static Object parse(Reader in){ + try{ + JSONParser parser=new JSONParser(); + return parser.parse(in); + } + catch(Exception e){ + return null; + } + } + + /** + * Parse JSON text into java object from the given string. + * Please use parseWithException() if you don't want to ignore the exception. + * + * @see org.json.simple.parser.JSONParser#parse(Reader) + * @see #parseWithException(Reader) + * + * @param s + * @return Instance of the following: + * org.json.simple.JSONObject, + * org.json.simple.JSONArray, + * java.lang.String, + * java.lang.Number, + * java.lang.Boolean, + * null + * + * @deprecated this method may throw an {@code Error} instead of returning + * {@code null}; please use {@link JSONValue#parseWithException(String)} + * instead + */ + public static Object parse(String s){ + StringReader in=new StringReader(s); + return parse(in); + } + + /** + * Parse JSON text into java object from the input source. + * + * @see org.json.simple.parser.JSONParser + * + * @param in + * @return Instance of the following: + * org.json.simple.JSONObject, + * org.json.simple.JSONArray, + * java.lang.String, + * java.lang.Number, + * java.lang.Boolean, + * null + * + * @throws IOException + * @throws ParseException + */ + public static Object parseWithException(Reader in) throws IOException, ParseException{ + JSONParser parser=new JSONParser(); + return parser.parse(in); + } + + public static Object parseWithException(String s) throws ParseException{ + JSONParser parser=new JSONParser(); + return parser.parse(s); + } + + /** + * Encode an object into JSON text and write it to out. + *

+ * If this object is a Map or a List, and it's also a JSONStreamAware or a JSONAware, JSONStreamAware or JSONAware will be considered firstly. + *

+ * DO NOT call this method from writeJSONString(Writer) of a class that implements both JSONStreamAware and (Map or List) with + * "this" as the first parameter, use JSONObject.writeJSONString(Map, Writer) or JSONArray.writeJSONString(List, Writer) instead. + * + * @see org.json.simple.JSONObject#writeJSONString(Map, Writer) + * @see org.json.simple.JSONArray#writeJSONString(List, Writer) + * + * @param value + * @param writer + */ + public static void writeJSONString(Object value, Writer out) throws IOException { + if(value == null){ + out.write("null"); + return; + } + + if(value instanceof String){ + out.write('\"'); + out.write(escape((String)value)); + out.write('\"'); + return; + } + + if(value instanceof Double){ + if(((Double)value).isInfinite() || ((Double)value).isNaN()) + out.write("null"); + else + out.write(value.toString()); + return; + } + + if(value instanceof Float){ + if(((Float)value).isInfinite() || ((Float)value).isNaN()) + out.write("null"); + else + out.write(value.toString()); + return; + } + + if(value instanceof Number){ + out.write(value.toString()); + return; + } + + if(value instanceof Boolean){ + out.write(value.toString()); + return; + } + + if((value instanceof JSONStreamAware)){ + ((JSONStreamAware)value).writeJSONString(out); + return; + } + + if((value instanceof JSONAware)){ + out.write(((JSONAware)value).toJSONString()); + return; + } + + if(value instanceof Map){ + JSONObject.writeJSONString((Map)value, out); + return; + } + + if(value instanceof Collection){ + JSONArray.writeJSONString((Collection)value, out); + return; + } + + if(value instanceof byte[]){ + JSONArray.writeJSONString((byte[])value, out); + return; + } + + if(value instanceof short[]){ + JSONArray.writeJSONString((short[])value, out); + return; + } + + if(value instanceof int[]){ + JSONArray.writeJSONString((int[])value, out); + return; + } + + if(value instanceof long[]){ + JSONArray.writeJSONString((long[])value, out); + return; + } + + if(value instanceof float[]){ + JSONArray.writeJSONString((float[])value, out); + return; + } + + if(value instanceof double[]){ + JSONArray.writeJSONString((double[])value, out); + return; + } + + if(value instanceof boolean[]){ + JSONArray.writeJSONString((boolean[])value, out); + return; + } + + if(value instanceof char[]){ + JSONArray.writeJSONString((char[])value, out); + return; + } + + if(value instanceof Object[]){ + JSONArray.writeJSONString((Object[])value, out); + return; + } + + out.write(value.toString()); + } + + /** + * Convert an object to JSON text. + *

+ * If this object is a Map or a List, and it's also a JSONAware, JSONAware will be considered firstly. + *

+ * DO NOT call this method from toJSONString() of a class that implements both JSONAware and Map or List with + * "this" as the parameter, use JSONObject.toJSONString(Map) or JSONArray.toJSONString(List) instead. + * + * @see org.json.simple.JSONObject#toJSONString(Map) + * @see org.json.simple.JSONArray#toJSONString(List) + * + * @param value + * @return JSON text, or "null" if value is null or it's an NaN or an INF number. + */ + public static String toJSONString(Object value){ + final StringWriter writer = new StringWriter(); + + try{ + writeJSONString(value, writer); + return writer.toString(); + } catch(IOException e){ + // This should never happen for a StringWriter + throw new RuntimeException(e); + } + } + + /** + * Escape quotes, \, /, \r, \n, \b, \f, \t and other control characters (U+0000 through U+001F). + * @param s + * @return + */ + public static String escape(String s){ + if(s==null) + return null; + StringBuffer sb = new StringBuffer(); + escape(s, sb); + return sb.toString(); + } + + /** + * @param s - Must not be null. + * @param sb + */ + static void escape(String s, StringBuffer sb) { + final int len = s.length(); + for(int i=0;i='\u0000' && ch<='\u001F') || (ch>='\u007F' && ch<='\u009F') || (ch>='\u2000' && ch<='\u20FF')){ + String ss=Integer.toHexString(ch); + sb.append("\\u"); + for(int k=0;k<4-ss.length();k++){ + sb.append('0'); + } + sb.append(ss.toUpperCase()); + } + else{ + sb.append(ch); + } + } + }//for + } + +} diff --git a/src/org/json/simple/README.txt b/src/org/json/simple/README.txt new file mode 100644 index 0000000..43b3a6c --- /dev/null +++ b/src/org/json/simple/README.txt @@ -0,0 +1,4 @@ +https://github.com/SwingJS/json-simple.git +forked 6/23/2018 from https://github.com/fangyidong/json-simple/tree/master/src/main/java/org/json/simple +Bob Hanson +hansonr@stolaf.edu \ No newline at end of file diff --git a/src/org/json/simple/parser/ContainerFactory.java b/src/org/json/simple/parser/ContainerFactory.java new file mode 100644 index 0000000..0bb7baf --- /dev/null +++ b/src/org/json/simple/parser/ContainerFactory.java @@ -0,0 +1,23 @@ +package org.json.simple.parser; + +import java.util.List; +import java.util.Map; + +/** + * Container factory for creating containers for JSON object and JSON array. + * + * @see org.json.simple.parser.JSONParser#parse(java.io.Reader, ContainerFactory) + * + * @author FangYidong + */ +public interface ContainerFactory { + /** + * @return A Map instance to store JSON object, or null if you want to use org.json.simple.JSONObject. + */ + Map createObjectContainer(); + + /** + * @return A List instance to store JSON array, or null if you want to use org.json.simple.JSONArray. + */ + List creatArrayContainer(); +} diff --git a/src/org/json/simple/parser/ContentHandler.java b/src/org/json/simple/parser/ContentHandler.java new file mode 100644 index 0000000..056a85c --- /dev/null +++ b/src/org/json/simple/parser/ContentHandler.java @@ -0,0 +1,110 @@ +package org.json.simple.parser; + +import java.io.IOException; + +/** + * A simplified and stoppable SAX-like content handler for stream processing of JSON text. + * + * @see org.xml.sax.ContentHandler + * @see org.json.simple.parser.JSONParser#parse(java.io.Reader, ContentHandler, boolean) + * + * @author FangYidong + */ +public interface ContentHandler { + /** + * Receive notification of the beginning of JSON processing. + * The parser will invoke this method only once. + * + * @throws ParseException + * - JSONParser will stop and throw the same exception to the caller when receiving this exception. + */ + void startJSON() throws ParseException, IOException; + + /** + * Receive notification of the end of JSON processing. + * + * @throws ParseException + */ + void endJSON() throws ParseException, IOException; + + /** + * Receive notification of the beginning of a JSON object. + * + * @return false if the handler wants to stop parsing after return. + * @throws ParseException + * - JSONParser will stop and throw the same exception to the caller when receiving this exception. + * @see #endJSON + */ + boolean startObject() throws ParseException, IOException; + + /** + * Receive notification of the end of a JSON object. + * + * @return false if the handler wants to stop parsing after return. + * @throws ParseException + * + * @see #startObject + */ + boolean endObject() throws ParseException, IOException; + + /** + * Receive notification of the beginning of a JSON object entry. + * + * @param key - Key of a JSON object entry. + * + * @return false if the handler wants to stop parsing after return. + * @throws ParseException + * + * @see #endObjectEntry + */ + boolean startObjectEntry(String key) throws ParseException, IOException; + + /** + * Receive notification of the end of the value of previous object entry. + * + * @return false if the handler wants to stop parsing after return. + * @throws ParseException + * + * @see #startObjectEntry + */ + boolean endObjectEntry() throws ParseException, IOException; + + /** + * Receive notification of the beginning of a JSON array. + * + * @return false if the handler wants to stop parsing after return. + * @throws ParseException + * + * @see #endArray + */ + boolean startArray() throws ParseException, IOException; + + /** + * Receive notification of the end of a JSON array. + * + * @return false if the handler wants to stop parsing after return. + * @throws ParseException + * + * @see #startArray + */ + boolean endArray() throws ParseException, IOException; + + /** + * Receive notification of the JSON primitive values: + * java.lang.String, + * java.lang.Number, + * java.lang.Boolean + * null + * + * @param value - Instance of the following: + * java.lang.String, + * java.lang.Number, + * java.lang.Boolean + * null + * + * @return false if the handler wants to stop parsing after return. + * @throws ParseException + */ + boolean primitive(Object value) throws ParseException, IOException; + +} diff --git a/src/org/json/simple/parser/JSONParser.java b/src/org/json/simple/parser/JSONParser.java new file mode 100644 index 0000000..59f8e31 --- /dev/null +++ b/src/org/json/simple/parser/JSONParser.java @@ -0,0 +1,533 @@ +/* + * $Id: JSONParser.java,v 1.1 2006/04/15 14:10:48 platform Exp $ + * Created on 2006-4-15 + */ +package org.json.simple.parser; + +import java.io.IOException; +import java.io.Reader; +import java.io.StringReader; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; + +import org.json.simple.JSONArray; +import org.json.simple.JSONObject; + + +/** + * Parser for JSON text. Please note that JSONParser is NOT thread-safe. + * + * @author FangYidong + */ +public class JSONParser { + public static final int S_INIT=0; + public static final int S_IN_FINISHED_VALUE=1;//string,number,boolean,null,object,array + public static final int S_IN_OBJECT=2; + public static final int S_IN_ARRAY=3; + public static final int S_PASSED_PAIR_KEY=4; + public static final int S_IN_PAIR_VALUE=5; + public static final int S_END=6; + public static final int S_IN_ERROR=-1; + + private LinkedList handlerStatusStack; + private Yylex lexer = new Yylex((Reader)null); + private Yytoken token = null; + private int status = S_INIT; + + private int peekStatus(LinkedList statusStack){ + if(statusStack.size()==0) + return -1; + Integer status=(Integer)statusStack.getFirst(); + return status.intValue(); + } + + /** + * Reset the parser to the initial state without resetting the underlying reader. + * + */ + public void reset(){ + token = null; + status = S_INIT; + handlerStatusStack = null; + } + + /** + * Reset the parser to the initial state with a new character reader. + * + * @param in - The new character reader. + * @throws IOException + * @throws ParseException + */ + public void reset(Reader in){ + lexer.yyreset(in); + reset(); + } + + /** + * @return The position of the beginning of the current token. + */ + public int getPosition(){ + return lexer.getPosition(); + } + + public Object parse(String s) throws ParseException{ + return parse(s, (ContainerFactory)null); + } + + public Object parse(String s, ContainerFactory containerFactory) throws ParseException{ + StringReader in=new StringReader(s); + try{ + return parse(in, containerFactory); + } + catch(IOException ie){ + /* + * Actually it will never happen. + */ + throw new ParseException(-1, ParseException.ERROR_UNEXPECTED_EXCEPTION, ie); + } + } + + public Object parse(Reader in) throws IOException, ParseException{ + return parse(in, (ContainerFactory)null); + } + + /** + * Parse JSON text into java object from the input source. + * + * @param in + * @param containerFactory - Use this factory to createyour own JSON object and JSON array containers. + * @return Instance of the following: + * org.json.simple.JSONObject, + * org.json.simple.JSONArray, + * java.lang.String, + * java.lang.Number, + * java.lang.Boolean, + * null + * + * @throws IOException + * @throws ParseException + */ + public Object parse(Reader in, ContainerFactory containerFactory) throws IOException, ParseException{ + reset(in); + LinkedList statusStack = new LinkedList(); + LinkedList valueStack = new LinkedList(); + + try{ + do{ + nextToken(); + switch(status){ + case S_INIT: + switch(token.type){ + case Yytoken.TYPE_VALUE: + status=S_IN_FINISHED_VALUE; + statusStack.addFirst(new Integer(status)); + valueStack.addFirst(token.value); + break; + case Yytoken.TYPE_LEFT_BRACE: + status=S_IN_OBJECT; + statusStack.addFirst(new Integer(status)); + valueStack.addFirst(createObjectContainer(containerFactory)); + break; + case Yytoken.TYPE_LEFT_SQUARE: + status=S_IN_ARRAY; + statusStack.addFirst(new Integer(status)); + valueStack.addFirst(createArrayContainer(containerFactory)); + break; + default: + status=S_IN_ERROR; + }//inner switch + break; + + case S_IN_FINISHED_VALUE: + if(token.type==Yytoken.TYPE_EOF) + return valueStack.removeFirst(); + else + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + + case S_IN_OBJECT: + switch(token.type){ + case Yytoken.TYPE_COMMA: + break; + case Yytoken.TYPE_VALUE: + if(token.value instanceof String){ + String key=(String)token.value; + valueStack.addFirst(key); + status=S_PASSED_PAIR_KEY; + statusStack.addFirst(new Integer(status)); + } + else{ + status=S_IN_ERROR; + } + break; + case Yytoken.TYPE_RIGHT_BRACE: + if(valueStack.size()>1){ + statusStack.removeFirst(); + valueStack.removeFirst(); + status=peekStatus(statusStack); + } + else{ + status=S_IN_FINISHED_VALUE; + } + break; + default: + status=S_IN_ERROR; + break; + }//inner switch + break; + + case S_PASSED_PAIR_KEY: + switch(token.type){ + case Yytoken.TYPE_COLON: + break; + case Yytoken.TYPE_VALUE: + statusStack.removeFirst(); + String key=(String)valueStack.removeFirst(); + Map parent=(Map)valueStack.getFirst(); + parent.put(key,token.value); + status=peekStatus(statusStack); + break; + case Yytoken.TYPE_LEFT_SQUARE: + statusStack.removeFirst(); + key=(String)valueStack.removeFirst(); + parent=(Map)valueStack.getFirst(); + List newArray=createArrayContainer(containerFactory); + parent.put(key,newArray); + status=S_IN_ARRAY; + statusStack.addFirst(new Integer(status)); + valueStack.addFirst(newArray); + break; + case Yytoken.TYPE_LEFT_BRACE: + statusStack.removeFirst(); + key=(String)valueStack.removeFirst(); + parent=(Map)valueStack.getFirst(); + Map newObject=createObjectContainer(containerFactory); + parent.put(key,newObject); + status=S_IN_OBJECT; + statusStack.addFirst(new Integer(status)); + valueStack.addFirst(newObject); + break; + default: + status=S_IN_ERROR; + } + break; + + case S_IN_ARRAY: + switch(token.type){ + case Yytoken.TYPE_COMMA: + break; + case Yytoken.TYPE_VALUE: + List val=(List)valueStack.getFirst(); + val.add(token.value); + break; + case Yytoken.TYPE_RIGHT_SQUARE: + if(valueStack.size()>1){ + statusStack.removeFirst(); + valueStack.removeFirst(); + status=peekStatus(statusStack); + } + else{ + status=S_IN_FINISHED_VALUE; + } + break; + case Yytoken.TYPE_LEFT_BRACE: + val=(List)valueStack.getFirst(); + Map newObject=createObjectContainer(containerFactory); + val.add(newObject); + status=S_IN_OBJECT; + statusStack.addFirst(new Integer(status)); + valueStack.addFirst(newObject); + break; + case Yytoken.TYPE_LEFT_SQUARE: + val=(List)valueStack.getFirst(); + List newArray=createArrayContainer(containerFactory); + val.add(newArray); + status=S_IN_ARRAY; + statusStack.addFirst(new Integer(status)); + valueStack.addFirst(newArray); + break; + default: + status=S_IN_ERROR; + }//inner switch + break; + case S_IN_ERROR: + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + }//switch + if(status==S_IN_ERROR){ + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + } + }while(token.type!=Yytoken.TYPE_EOF); + } + catch(IOException ie){ + throw ie; + } + + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + } + + private void nextToken() throws ParseException, IOException{ + token = lexer.yylex(); + if(token == null) + token = new Yytoken(Yytoken.TYPE_EOF, null); + } + + private Map createObjectContainer(ContainerFactory containerFactory){ + if(containerFactory == null) + return new JSONObject(); + Map m = containerFactory.createObjectContainer(); + + if(m == null) + return new JSONObject(); + return m; + } + + private List createArrayContainer(ContainerFactory containerFactory){ + if(containerFactory == null) + return new JSONArray(); + List l = containerFactory.creatArrayContainer(); + + if(l == null) + return new JSONArray(); + return l; + } + + public void parse(String s, ContentHandler contentHandler) throws ParseException{ + parse(s, contentHandler, false); + } + + public void parse(String s, ContentHandler contentHandler, boolean isResume) throws ParseException{ + StringReader in=new StringReader(s); + try{ + parse(in, contentHandler, isResume); + } + catch(IOException ie){ + /* + * Actually it will never happen. + */ + throw new ParseException(-1, ParseException.ERROR_UNEXPECTED_EXCEPTION, ie); + } + } + + public void parse(Reader in, ContentHandler contentHandler) throws IOException, ParseException{ + parse(in, contentHandler, false); + } + + /** + * Stream processing of JSON text. + * + * @see ContentHandler + * + * @param in + * @param contentHandler + * @param isResume - Indicates if it continues previous parsing operation. + * If set to true, resume parsing the old stream, and parameter 'in' will be ignored. + * If this method is called for the first time in this instance, isResume will be ignored. + * + * @throws IOException + * @throws ParseException + */ + public void parse(Reader in, ContentHandler contentHandler, boolean isResume) throws IOException, ParseException{ + if(!isResume){ + reset(in); + handlerStatusStack = new LinkedList(); + } + else{ + if(handlerStatusStack == null){ + isResume = false; + reset(in); + handlerStatusStack = new LinkedList(); + } + } + + LinkedList statusStack = handlerStatusStack; + + try{ + do{ + switch(status){ + case S_INIT: + contentHandler.startJSON(); + nextToken(); + switch(token.type){ + case Yytoken.TYPE_VALUE: + status=S_IN_FINISHED_VALUE; + statusStack.addFirst(new Integer(status)); + if(!contentHandler.primitive(token.value)) + return; + break; + case Yytoken.TYPE_LEFT_BRACE: + status=S_IN_OBJECT; + statusStack.addFirst(new Integer(status)); + if(!contentHandler.startObject()) + return; + break; + case Yytoken.TYPE_LEFT_SQUARE: + status=S_IN_ARRAY; + statusStack.addFirst(new Integer(status)); + if(!contentHandler.startArray()) + return; + break; + default: + status=S_IN_ERROR; + }//inner switch + break; + + case S_IN_FINISHED_VALUE: + nextToken(); + if(token.type==Yytoken.TYPE_EOF){ + contentHandler.endJSON(); + status = S_END; + return; + } + else{ + status = S_IN_ERROR; + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + } + + case S_IN_OBJECT: + nextToken(); + switch(token.type){ + case Yytoken.TYPE_COMMA: + break; + case Yytoken.TYPE_VALUE: + if(token.value instanceof String){ + String key=(String)token.value; + status=S_PASSED_PAIR_KEY; + statusStack.addFirst(new Integer(status)); + if(!contentHandler.startObjectEntry(key)) + return; + } + else{ + status=S_IN_ERROR; + } + break; + case Yytoken.TYPE_RIGHT_BRACE: + if(statusStack.size()>1){ + statusStack.removeFirst(); + status=peekStatus(statusStack); + } + else{ + status=S_IN_FINISHED_VALUE; + } + if(!contentHandler.endObject()) + return; + break; + default: + status=S_IN_ERROR; + break; + }//inner switch + break; + + case S_PASSED_PAIR_KEY: + nextToken(); + switch(token.type){ + case Yytoken.TYPE_COLON: + break; + case Yytoken.TYPE_VALUE: + statusStack.removeFirst(); + status=peekStatus(statusStack); + if(!contentHandler.primitive(token.value)) + return; + if(!contentHandler.endObjectEntry()) + return; + break; + case Yytoken.TYPE_LEFT_SQUARE: + statusStack.removeFirst(); + statusStack.addFirst(new Integer(S_IN_PAIR_VALUE)); + status=S_IN_ARRAY; + statusStack.addFirst(new Integer(status)); + if(!contentHandler.startArray()) + return; + break; + case Yytoken.TYPE_LEFT_BRACE: + statusStack.removeFirst(); + statusStack.addFirst(new Integer(S_IN_PAIR_VALUE)); + status=S_IN_OBJECT; + statusStack.addFirst(new Integer(status)); + if(!contentHandler.startObject()) + return; + break; + default: + status=S_IN_ERROR; + } + break; + + case S_IN_PAIR_VALUE: + /* + * S_IN_PAIR_VALUE is just a marker to indicate the end of an object entry, it doesn't proccess any token, + * therefore delay consuming token until next round. + */ + statusStack.removeFirst(); + status = peekStatus(statusStack); + if(!contentHandler.endObjectEntry()) + return; + break; + + case S_IN_ARRAY: + nextToken(); + switch(token.type){ + case Yytoken.TYPE_COMMA: + break; + case Yytoken.TYPE_VALUE: + if(!contentHandler.primitive(token.value)) + return; + break; + case Yytoken.TYPE_RIGHT_SQUARE: + if(statusStack.size()>1){ + statusStack.removeFirst(); + status=peekStatus(statusStack); + } + else{ + status=S_IN_FINISHED_VALUE; + } + if(!contentHandler.endArray()) + return; + break; + case Yytoken.TYPE_LEFT_BRACE: + status=S_IN_OBJECT; + statusStack.addFirst(new Integer(status)); + if(!contentHandler.startObject()) + return; + break; + case Yytoken.TYPE_LEFT_SQUARE: + status=S_IN_ARRAY; + statusStack.addFirst(new Integer(status)); + if(!contentHandler.startArray()) + return; + break; + default: + status=S_IN_ERROR; + }//inner switch + break; + + case S_END: + return; + + case S_IN_ERROR: + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + }//switch + if(status==S_IN_ERROR){ + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + } + }while(token.type!=Yytoken.TYPE_EOF); + } + catch(IOException ie){ + status = S_IN_ERROR; + throw ie; + } + catch(ParseException pe){ + status = S_IN_ERROR; + throw pe; + } + catch(RuntimeException re){ + status = S_IN_ERROR; + throw re; + } + catch(Error e){ + status = S_IN_ERROR; + throw e; + } + + status = S_IN_ERROR; + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + } +} diff --git a/src/org/json/simple/parser/ParseException.java b/src/org/json/simple/parser/ParseException.java new file mode 100644 index 0000000..09b1fd4 --- /dev/null +++ b/src/org/json/simple/parser/ParseException.java @@ -0,0 +1,90 @@ +package org.json.simple.parser; + +/** + * ParseException explains why and where the error occurs in source JSON text. + * + * @author FangYidong + * + */ +public class ParseException extends Exception { + private static final long serialVersionUID = -7880698968187728547L; + + public static final int ERROR_UNEXPECTED_CHAR = 0; + public static final int ERROR_UNEXPECTED_TOKEN = 1; + public static final int ERROR_UNEXPECTED_EXCEPTION = 2; + + private int errorType; + private Object unexpectedObject; + private int position; + + public ParseException(int errorType){ + this(-1, errorType, null); + } + + public ParseException(int errorType, Object unexpectedObject){ + this(-1, errorType, unexpectedObject); + } + + public ParseException(int position, int errorType, Object unexpectedObject){ + this.position = position; + this.errorType = errorType; + this.unexpectedObject = unexpectedObject; + } + + public int getErrorType() { + return errorType; + } + + public void setErrorType(int errorType) { + this.errorType = errorType; + } + + /** + * @see org.json.simple.parser.JSONParser#getPosition() + * + * @return The character position (starting with 0) of the input where the error occurs. + */ + public int getPosition() { + return position; + } + + public void setPosition(int position) { + this.position = position; + } + + /** + * @see org.json.simple.parser.Yytoken + * + * @return One of the following base on the value of errorType: + * ERROR_UNEXPECTED_CHAR java.lang.Character + * ERROR_UNEXPECTED_TOKEN org.json.simple.parser.Yytoken + * ERROR_UNEXPECTED_EXCEPTION java.lang.Exception + */ + public Object getUnexpectedObject() { + return unexpectedObject; + } + + public void setUnexpectedObject(Object unexpectedObject) { + this.unexpectedObject = unexpectedObject; + } + + public String getMessage() { + StringBuffer sb = new StringBuffer(); + + switch(errorType){ + case ERROR_UNEXPECTED_CHAR: + sb.append("Unexpected character (").append(unexpectedObject).append(") at position ").append(position).append("."); + break; + case ERROR_UNEXPECTED_TOKEN: + sb.append("Unexpected token ").append(unexpectedObject).append(" at position ").append(position).append("."); + break; + case ERROR_UNEXPECTED_EXCEPTION: + sb.append("Unexpected exception at position ").append(position).append(": ").append(unexpectedObject); + break; + default: + sb.append("Unkown error at position ").append(position).append("."); + break; + } + return sb.toString(); + } +} diff --git a/src/org/json/simple/parser/Yylex.java b/src/org/json/simple/parser/Yylex.java new file mode 100644 index 0000000..dc36fa2 --- /dev/null +++ b/src/org/json/simple/parser/Yylex.java @@ -0,0 +1,688 @@ +/* The following code was generated by JFlex 1.4.2 */ + +package org.json.simple.parser; + +class Yylex { + + /** This character denotes the end of file */ + public static final int YYEOF = -1; + + /** initial size of the lookahead buffer */ + private static final int ZZ_BUFFERSIZE = 16384; + + /** lexical states */ + public static final int YYINITIAL = 0; + public static final int STRING_BEGIN = 2; + + /** + * ZZ_LEXSTATE[l] is the state in the DFA for the lexical state l + * ZZ_LEXSTATE[l+1] is the state in the DFA for the lexical state l + * at the beginning of a line + * l is of the form l = 2*k, k a non negative integer + */ + private static final int ZZ_LEXSTATE[] = { + 0, 0, 1, 1 + }; + + /** + * Translates characters to character classes + */ + private static final String ZZ_CMAP_PACKED = + "\11\0\1\7\1\7\2\0\1\7\22\0\1\7\1\0\1\11\10\0"+ + "\1\6\1\31\1\2\1\4\1\12\12\3\1\32\6\0\4\1\1\5"+ + "\1\1\24\0\1\27\1\10\1\30\3\0\1\22\1\13\2\1\1\21"+ + "\1\14\5\0\1\23\1\0\1\15\3\0\1\16\1\24\1\17\1\20"+ + "\5\0\1\25\1\0\1\26\uff82\0"; + + /** + * Translates characters to character classes + */ + private static final char [] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED); + + /** + * Translates DFA states to action switch labels. + */ + private static final int [] ZZ_ACTION = zzUnpackAction(); + + private static final String ZZ_ACTION_PACKED_0 = + "\2\0\2\1\1\2\1\3\1\4\3\1\1\5\1\6"+ + "\1\7\1\10\1\11\1\12\1\13\1\14\1\15\5\0"+ + "\1\14\1\16\1\17\1\20\1\21\1\22\1\23\1\24"+ + "\1\0\1\25\1\0\1\25\4\0\1\26\1\27\2\0"+ + "\1\30"; + + private static int [] zzUnpackAction() { + int [] result = new int[45]; + int offset = 0; + offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result); + return result; + } + + private static int zzUnpackAction(String packed, int offset, int [] result) { + int i = 0; /* index in packed string */ + int j = offset; /* index in unpacked array */ + int l = packed.length(); + while (i < l) { + int count = packed.charAt(i++); + int value = packed.charAt(i++); + do result[j++] = value; while (--count > 0); + } + return j; + } + + + /** + * Translates a state to a row index in the transition table + */ + private static final int [] ZZ_ROWMAP = zzUnpackRowMap(); + + private static final String ZZ_ROWMAP_PACKED_0 = + "\0\0\0\33\0\66\0\121\0\154\0\207\0\66\0\242"+ + "\0\275\0\330\0\66\0\66\0\66\0\66\0\66\0\66"+ + "\0\363\0\u010e\0\66\0\u0129\0\u0144\0\u015f\0\u017a\0\u0195"+ + "\0\66\0\66\0\66\0\66\0\66\0\66\0\66\0\66"+ + "\0\u01b0\0\u01cb\0\u01e6\0\u01e6\0\u0201\0\u021c\0\u0237\0\u0252"+ + "\0\66\0\66\0\u026d\0\u0288\0\66"; + + private static int [] zzUnpackRowMap() { + int [] result = new int[45]; + int offset = 0; + offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result); + return result; + } + + private static int zzUnpackRowMap(String packed, int offset, int [] result) { + int i = 0; /* index in packed string */ + int j = offset; /* index in unpacked array */ + int l = packed.length(); + while (i < l) { + int high = packed.charAt(i++) << 16; + result[j++] = high | packed.charAt(i++); + } + return j; + } + + /** + * The transition table of the DFA + */ + private static final int ZZ_TRANS [] = { + 2, 2, 3, 4, 2, 2, 2, 5, 2, 6, + 2, 2, 7, 8, 2, 9, 2, 2, 2, 2, + 2, 10, 11, 12, 13, 14, 15, 16, 16, 16, + 16, 16, 16, 16, 16, 17, 18, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 4, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 4, 19, 20, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 20, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 5, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 21, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 22, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 16, 16, 16, 16, 16, 16, 16, + 16, -1, -1, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + -1, -1, -1, -1, -1, -1, -1, -1, 24, 25, + 26, 27, 28, 29, 30, 31, 32, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 33, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 34, 35, -1, -1, + 34, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 36, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, 37, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 38, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 39, -1, 39, -1, 39, -1, -1, + -1, -1, -1, 39, 39, -1, -1, -1, -1, 39, + 39, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 33, -1, 20, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 20, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 35, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 38, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 40, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 41, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 42, -1, 42, -1, 42, + -1, -1, -1, -1, -1, 42, 42, -1, -1, -1, + -1, 42, 42, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 43, -1, 43, -1, 43, -1, -1, -1, + -1, -1, 43, 43, -1, -1, -1, -1, 43, 43, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 44, + -1, 44, -1, 44, -1, -1, -1, -1, -1, 44, + 44, -1, -1, -1, -1, 44, 44, -1, -1, -1, + -1, -1, -1, -1, -1, + }; + + /* error codes */ + private static final int ZZ_UNKNOWN_ERROR = 0; + private static final int ZZ_NO_MATCH = 1; + private static final int ZZ_PUSHBACK_2BIG = 2; + + /* error messages for the codes above */ + private static final String ZZ_ERROR_MSG[] = { + "Unkown internal scanner error", + "Error: could not match input", + "Error: pushback value was too large" + }; + + /** + * ZZ_ATTRIBUTE[aState] contains the attributes of state aState + */ + private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute(); + + private static final String ZZ_ATTRIBUTE_PACKED_0 = + "\2\0\1\11\3\1\1\11\3\1\6\11\2\1\1\11"+ + "\5\0\10\11\1\0\1\1\1\0\1\1\4\0\2\11"+ + "\2\0\1\11"; + + private static int [] zzUnpackAttribute() { + int [] result = new int[45]; + int offset = 0; + offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result); + return result; + } + + private static int zzUnpackAttribute(String packed, int offset, int [] result) { + int i = 0; /* index in packed string */ + int j = offset; /* index in unpacked array */ + int l = packed.length(); + while (i < l) { + int count = packed.charAt(i++); + int value = packed.charAt(i++); + do result[j++] = value; while (--count > 0); + } + return j; + } + + /** the input device */ + private java.io.Reader zzReader; + + /** the current state of the DFA */ + private int zzState; + + /** the current lexical state */ + private int zzLexicalState = YYINITIAL; + + /** this buffer contains the current text to be matched and is + the source of the yytext() string */ + private char zzBuffer[] = new char[ZZ_BUFFERSIZE]; + + /** the textposition at the last accepting state */ + private int zzMarkedPos; + + /** the current text position in the buffer */ + private int zzCurrentPos; + + /** startRead marks the beginning of the yytext() string in the buffer */ + private int zzStartRead; + + /** endRead marks the last character in the buffer, that has been read + from input */ + private int zzEndRead; + + /** number of newlines encountered up to the start of the matched text */ + private int yyline; + + /** the number of characters up to the start of the matched text */ + private int yychar; + + /** + * the number of characters from the last newline up to the start of the + * matched text + */ + private int yycolumn; + + /** + * zzAtBOL == true <=> the scanner is currently at the beginning of a line + */ + private boolean zzAtBOL = true; + + /** zzAtEOF == true <=> the scanner is at the EOF */ + private boolean zzAtEOF; + + /* user code: */ +private StringBuffer sb=new StringBuffer(); + +int getPosition(){ + return yychar; +} + + + + /** + * Creates a new scanner + * There is also a java.io.InputStream version of this constructor. + * + * @param in the java.io.Reader to read input from. + */ + Yylex(java.io.Reader in) { + this.zzReader = in; + } + + /** + * Creates a new scanner. + * There is also java.io.Reader version of this constructor. + * + * @param in the java.io.Inputstream to read input from. + */ + Yylex(java.io.InputStream in) { + this(new java.io.InputStreamReader(in)); + } + + /** + * Unpacks the compressed character translation table. + * + * @param packed the packed character translation table + * @return the unpacked character translation table + */ + private static char [] zzUnpackCMap(String packed) { + char [] map = new char[0x10000]; + int i = 0; /* index in packed string */ + int j = 0; /* index in unpacked array */ + while (i < 90) { + int count = packed.charAt(i++); + char value = packed.charAt(i++); + do map[j++] = value; while (--count > 0); + } + return map; + } + + + /** + * Refills the input buffer. + * + * @return false, iff there was new input. + * + * @exception java.io.IOException if any I/O-Error occurs + */ + private boolean zzRefill() throws java.io.IOException { + + /* first: make room (if you can) */ + if (zzStartRead > 0) { + System.arraycopy(zzBuffer, zzStartRead, + zzBuffer, 0, + zzEndRead-zzStartRead); + + /* translate stored positions */ + zzEndRead-= zzStartRead; + zzCurrentPos-= zzStartRead; + zzMarkedPos-= zzStartRead; + zzStartRead = 0; + } + + /* is the buffer big enough? */ + if (zzCurrentPos >= zzBuffer.length) { + /* if not: blow it up */ + char newBuffer[] = new char[zzCurrentPos*2]; + System.arraycopy(zzBuffer, 0, newBuffer, 0, zzBuffer.length); + zzBuffer = newBuffer; + } + + /* finally: fill the buffer with new input */ + int numRead = zzReader.read(zzBuffer, zzEndRead, + zzBuffer.length-zzEndRead); + + if (numRead > 0) { + zzEndRead+= numRead; + return false; + } + // unlikely but not impossible: read 0 characters, but not at end of stream + if (numRead == 0) { + int c = zzReader.read(); + if (c == -1) { + return true; + } else { + zzBuffer[zzEndRead++] = (char) c; + return false; + } + } + + // numRead < 0 + return true; + } + + + /** + * Closes the input stream. + */ + public final void yyclose() throws java.io.IOException { + zzAtEOF = true; /* indicate end of file */ + zzEndRead = zzStartRead; /* invalidate buffer */ + + if (zzReader != null) + zzReader.close(); + } + + + /** + * Resets the scanner to read from a new input stream. + * Does not close the old reader. + * + * All internal variables are reset, the old input stream + * cannot be reused (internal buffer is discarded and lost). + * Lexical state is set to ZZ_INITIAL. + * + * @param reader the new input stream + */ + public final void yyreset(java.io.Reader reader) { + zzReader = reader; + zzAtBOL = true; + zzAtEOF = false; + zzEndRead = zzStartRead = 0; + zzCurrentPos = zzMarkedPos = 0; + yyline = yychar = yycolumn = 0; + zzLexicalState = YYINITIAL; + } + + + /** + * Returns the current lexical state. + */ + public final int yystate() { + return zzLexicalState; + } + + + /** + * Enters a new lexical state + * + * @param newState the new lexical state + */ + public final void yybegin(int newState) { + zzLexicalState = newState; + } + + + /** + * Returns the text matched by the current regular expression. + */ + public final String yytext() { + return new String( zzBuffer, zzStartRead, zzMarkedPos-zzStartRead ); + } + + + /** + * Returns the character at position pos from the + * matched text. + * + * It is equivalent to yytext().charAt(pos), but faster + * + * @param pos the position of the character to fetch. + * A value from 0 to yylength()-1. + * + * @return the character at position pos + */ + public final char yycharat(int pos) { + return zzBuffer[zzStartRead+pos]; + } + + + /** + * Returns the length of the matched text region. + */ + public final int yylength() { + return zzMarkedPos-zzStartRead; + } + + + /** + * Reports an error that occured while scanning. + * + * In a wellformed scanner (no or only correct usage of + * yypushback(int) and a match-all fallback rule) this method + * will only be called with things that "Can't Possibly Happen". + * If this method is called, something is seriously wrong + * (e.g. a JFlex bug producing a faulty scanner etc.). + * + * Usual syntax/scanner level error handling should be done + * in error fallback rules. + * + * @param errorCode the code of the errormessage to display + */ + private void zzScanError(int errorCode) { + String message; + try { + message = ZZ_ERROR_MSG[errorCode]; + } + catch (ArrayIndexOutOfBoundsException e) { + message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR]; + } + + throw new Error(message); + } + + + /** + * Pushes the specified amount of characters back into the input stream. + * + * They will be read again by then next call of the scanning method + * + * @param number the number of characters to be read again. + * This number must not be greater than yylength()! + */ + public void yypushback(int number) { + if ( number > yylength() ) + zzScanError(ZZ_PUSHBACK_2BIG); + + zzMarkedPos -= number; + } + + + /** + * Resumes scanning until the next regular expression is matched, + * the end of input is encountered or an I/O-Error occurs. + * + * @return the next token + * @exception java.io.IOException if any I/O-Error occurs + */ + public Yytoken yylex() throws java.io.IOException, ParseException { + int zzInput; + int zzAction; + + // cached fields: + int zzCurrentPosL; + int zzMarkedPosL; + int zzEndReadL = zzEndRead; + char [] zzBufferL = zzBuffer; + char [] zzCMapL = ZZ_CMAP; + + int [] zzTransL = ZZ_TRANS; + int [] zzRowMapL = ZZ_ROWMAP; + int [] zzAttrL = ZZ_ATTRIBUTE; + + while (true) { + zzMarkedPosL = zzMarkedPos; + + yychar+= zzMarkedPosL-zzStartRead; + + zzAction = -1; + + zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL; + + zzState = ZZ_LEXSTATE[zzLexicalState]; + + + zzForAction: { + while (true) { + + if (zzCurrentPosL < zzEndReadL) + zzInput = zzBufferL[zzCurrentPosL++]; + else if (zzAtEOF) { + zzInput = YYEOF; + break zzForAction; + } + else { + // store back cached positions + zzCurrentPos = zzCurrentPosL; + zzMarkedPos = zzMarkedPosL; + boolean eof = zzRefill(); + // get translated positions and possibly new buffer + zzCurrentPosL = zzCurrentPos; + zzMarkedPosL = zzMarkedPos; + zzBufferL = zzBuffer; + zzEndReadL = zzEndRead; + if (eof) { + zzInput = YYEOF; + break zzForAction; + } + else { + zzInput = zzBufferL[zzCurrentPosL++]; + } + } + int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ]; + if (zzNext == -1) break zzForAction; + zzState = zzNext; + + int zzAttributes = zzAttrL[zzState]; + if ( (zzAttributes & 1) == 1 ) { + zzAction = zzState; + zzMarkedPosL = zzCurrentPosL; + if ( (zzAttributes & 8) == 8 ) break zzForAction; + } + + } + } + + // store back cached position + zzMarkedPos = zzMarkedPosL; + + switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) { + case 11: + { sb.append(yytext()); + } + case 25: break; + case 4: + { sb = null; sb = new StringBuffer(); yybegin(STRING_BEGIN); + } + case 26: break; + case 16: + { sb.append('\b'); + } + case 27: break; + case 6: + { return new Yytoken(Yytoken.TYPE_RIGHT_BRACE,null); + } + case 28: break; + case 23: + { Boolean val=Boolean.valueOf(yytext()); return new Yytoken(Yytoken.TYPE_VALUE, val); + } + case 29: break; + case 22: + { return new Yytoken(Yytoken.TYPE_VALUE, null); + } + case 30: break; + case 13: + { yybegin(YYINITIAL);return new Yytoken(Yytoken.TYPE_VALUE, sb.toString()); + } + case 31: break; + case 12: + { sb.append('\\'); + } + case 32: break; + case 21: + { Double val=Double.valueOf(yytext()); return new Yytoken(Yytoken.TYPE_VALUE, val); + } + case 33: break; + case 1: + { throw new ParseException(yychar, ParseException.ERROR_UNEXPECTED_CHAR, new Character(yycharat(0))); + } + case 34: break; + case 8: + { return new Yytoken(Yytoken.TYPE_RIGHT_SQUARE,null); + } + case 35: break; + case 19: + { sb.append('\r'); + } + case 36: break; + case 15: + { sb.append('/'); + } + case 37: break; + case 10: + { return new Yytoken(Yytoken.TYPE_COLON,null); + } + case 38: break; + case 14: + { sb.append('"'); + } + case 39: break; + case 5: + { return new Yytoken(Yytoken.TYPE_LEFT_BRACE,null); + } + case 40: break; + case 17: + { sb.append('\f'); + } + case 41: break; + case 24: + { try{ + int ch=Integer.parseInt(yytext().substring(2),16); + sb.append((char)ch); + } + catch(Exception e){ + throw new ParseException(yychar, ParseException.ERROR_UNEXPECTED_EXCEPTION, e); + } + } + case 42: break; + case 20: + { sb.append('\t'); + } + case 43: break; + case 7: + { return new Yytoken(Yytoken.TYPE_LEFT_SQUARE,null); + } + case 44: break; + case 2: + { Long val=Long.valueOf(yytext()); return new Yytoken(Yytoken.TYPE_VALUE, val); + } + case 45: break; + case 18: + { sb.append('\n'); + } + case 46: break; + case 9: + { return new Yytoken(Yytoken.TYPE_COMMA,null); + } + case 47: break; + case 3: + { + } + case 48: break; + default: + if (zzInput == YYEOF && zzStartRead == zzCurrentPos) { + zzAtEOF = true; + return null; + } + else { + zzScanError(ZZ_NO_MATCH); + } + } + } + } + + +} diff --git a/src/org/json/simple/parser/Yytoken.java b/src/org/json/simple/parser/Yytoken.java new file mode 100644 index 0000000..9d7e7e7 --- /dev/null +++ b/src/org/json/simple/parser/Yytoken.java @@ -0,0 +1,58 @@ +/* + * $Id: Yytoken.java,v 1.1 2006/04/15 14:10:48 platform Exp $ + * Created on 2006-4-15 + */ +package org.json.simple.parser; + +/** + * @author FangYidong + */ +public class Yytoken { + public static final int TYPE_VALUE=0;//JSON primitive value: string,number,boolean,null + public static final int TYPE_LEFT_BRACE=1; + public static final int TYPE_RIGHT_BRACE=2; + public static final int TYPE_LEFT_SQUARE=3; + public static final int TYPE_RIGHT_SQUARE=4; + public static final int TYPE_COMMA=5; + public static final int TYPE_COLON=6; + public static final int TYPE_EOF=-1;//end of file + + public int type=0; + public Object value=null; + + public Yytoken(int type,Object value){ + this.type=type; + this.value=value; + } + + public String toString(){ + StringBuffer sb = new StringBuffer(); + switch(type){ + case TYPE_VALUE: + sb.append("VALUE(").append(value).append(")"); + break; + case TYPE_LEFT_BRACE: + sb.append("LEFT BRACE({)"); + break; + case TYPE_RIGHT_BRACE: + sb.append("RIGHT BRACE(})"); + break; + case TYPE_LEFT_SQUARE: + sb.append("LEFT SQUARE([)"); + break; + case TYPE_RIGHT_SQUARE: + sb.append("RIGHT SQUARE(])"); + break; + case TYPE_COMMA: + sb.append("COMMA(,)"); + break; + case TYPE_COLON: + sb.append("COLON(:)"); + break; + case TYPE_EOF: + sb.append("END OF FILE"); + break; + } + return sb.toString(); + } +} diff --git a/swingjs/net.sf.j2s.core.jar b/swingjs/net.sf.j2s.core.jar new file mode 100644 index 0000000..6cbb1aa Binary files /dev/null and b/swingjs/net.sf.j2s.core.jar differ