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Diffstat (limited to 'src/java/ru/sape/SerializedPhpParser.java')
-rw-r--r-- | src/java/ru/sape/SerializedPhpParser.java | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/src/java/ru/sape/SerializedPhpParser.java b/src/java/ru/sape/SerializedPhpParser.java deleted file mode 100644 index a24551b9..00000000 --- a/src/java/ru/sape/SerializedPhpParser.java +++ /dev/null @@ -1,221 +0,0 @@ -/* -Copyright (c) 2007 Zsolt Szász <zsolt at lorecraft dot com> - -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 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. - */ -package ru.sape; - -import java.util.HashMap; -import java.util.LinkedHashMap; -import java.util.Map; -import java.util.regex.Pattern; - -/** - * Deserializes a serialized PHP data structure into corresponding Java objects. It supports - * the integer, float, boolean, string primitives that are mapped to their Java - * equivalent, plus arrays that are parsed into <code>Map</code> instances and objects - * that are represented by {@link SerializedPhpParser.PhpObject} instances. - * <p> - * Example of use: - * <pre> - * String input = "O:8:"TypeName":1:{s:3:"foo";s:3:"bar";}"; - * SerializedPhpParser serializedPhpParser = new SerializedPhpParser(input); - * Object result = serializedPhpParser.parse(); - * </pre> - * - * The <code>result</code> object will be a <code>PhpObject</code> with the name "TypeName" and - * the attribute "foo" = "bar". - */ -class SerializedPhpParser { - - private final String input; - private int index; - private boolean assumeUTF8 = true; - private Pattern acceptedAttributeNameRegex = null; - - public SerializedPhpParser(String input) { - this.input = input; - } - - public Object parse() { - char type = input.charAt(index); - switch (type) { - case 'i': - index += 2; - return parseInt(); - case 'd': - index += 2; - return parseFloat(); - case 'b': - index += 2; - return parseBoolean(); - case 's': - index += 2; - return parseString(); - case 'a': - index += 2; - return parseArray(); - case 'O': - index += 2; - return parseObject(); - case 'N': - index += 2; - return NULL; - default: - throw new IllegalStateException("Encountered unknown type [" + type + "], str=" + input.substring(index)); - } - } - - private Object parseObject() { - PhpObject phpObject = new PhpObject(); - int strLen = readLength(); - phpObject.name = input.substring(index, index + strLen); - index = index + strLen + 2; - int attrLen = readLength(); - for (int i = 0; i < attrLen; i++) { - Object key = parse(); - Object value = parse(); - if (isAcceptedAttribute(key)) { - phpObject.attributes.put(key, value); - } - } - index++; - return phpObject; - } - - private Map<Object, Object> parseArray() { - int arrayLen = readLength(); - Map<Object, Object> result = new LinkedHashMap<Object, Object>(); - for (int i = 0; i < arrayLen; i++) { - Object key = parse(); - Object value = parse(); - if (isAcceptedAttribute(key)) { - result.put(key, value); - } - } - index++; - return result; - } - - private boolean isAcceptedAttribute(Object key) { - if (acceptedAttributeNameRegex == null) { - return true; - } - if (!(key instanceof String)) { - return true; - } - return acceptedAttributeNameRegex.matcher((String) key).matches(); - } - - private int readLength() { - int delimiter = input.indexOf(':', index); - int arrayLen = Integer.valueOf(input.substring(index, delimiter)); - index = delimiter + 2; - return arrayLen; - } - - /** - * Assumes strings are utf8 encoded - * - * @return - */ - private String parseString() { - int strLen = readLength(); - - int utfStrLen = 0; - int byteCount = 0; - while (byteCount != strLen) { - char ch = input.charAt(index + utfStrLen++); - - /* - if (ch == '\'') { - utfStrLen -= 1; - break; - } - */ - - if (assumeUTF8) { - if ((ch >= 0x0001) && (ch <= 0x007F)) { - byteCount++; - } else if (ch > 0x07FF) { - byteCount += 3; - } else { - byteCount += 2; - } - } else { - byteCount++; - } - } - String value = input.substring(index, index + utfStrLen); - index = index + utfStrLen + 2; - return value; - } - - private Boolean parseBoolean() { - int delimiter = input.indexOf(';', index); - String value = input.substring(index, delimiter); - if (value.equals("1")) { - value = "true"; - } else if (value.equals("0")) { - value = "false"; - } - index = delimiter + 1; - return Boolean.valueOf(value); - } - - private Double parseFloat() { - int delimiter = input.indexOf(';', index); - String value = input.substring(index, delimiter); - index = delimiter + 1; - return Double.valueOf(value); - } - - private Integer parseInt() { - int delimiter = input.indexOf(';', index); - String value = input.substring(index, delimiter); - index = delimiter + 1; - return Integer.valueOf(value); - } - - public void setAcceptedAttributeNameRegex(String acceptedAttributeNameRegex) { - this.acceptedAttributeNameRegex = Pattern.compile(acceptedAttributeNameRegex); - } - public static final Object NULL = new Object() { - - @Override - public String toString() { - return "NULL"; - } - }; - - /** - * Represents an object that has a name and a map of attributes - */ - public static class PhpObject { - - public String name; - public Map<Object, Object> attributes = new HashMap<Object, Object>(); - - @Override - public String toString() { - return "\"" + name + "\" : " + attributes.toString(); - } - } -} |