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-rw-r--r--infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeGlobal.java790
1 files changed, 0 insertions, 790 deletions
diff --git a/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeGlobal.java b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeGlobal.java
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index 58faad4..0000000
--- a/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeGlobal.java
+++ /dev/null
@@ -1,790 +0,0 @@
-/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- *
- * ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Rhino code, released
- * May 6, 1999.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1997-1999
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Norris Boyd
- * Igor Bukanov
- * Mike McCabe
- *
- * Alternatively, the contents of this file may be used under the terms of
- * the GNU General Public License Version 2 or later (the "GPL"), in which
- * case the provisions of the GPL are applicable instead of those above. If
- * you wish to allow use of your version of this file only under the terms of
- * the GPL and not to allow others to use your version of this file under the
- * MPL, indicate your decision by deleting the provisions above and replacing
- * them with the notice and other provisions required by the GPL. If you do
- * not delete the provisions above, a recipient may use your version of this
- * file under either the MPL or the GPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-package org.mozilla.javascript;
-
-import java.io.Serializable;
-
-import org.mozilla.javascript.xml.XMLLib;
-
-/**
- * This class implements the global native object (function and value
- * properties only).
- *
- * See ECMA 15.1.[12].
- *
- * @author Mike Shaver
- */
-
-public class NativeGlobal implements Serializable, IdFunctionCall
-{
- static final long serialVersionUID = 6080442165748707530L;
-
- public static void init(Context cx, Scriptable scope, boolean sealed) {
- NativeGlobal obj = new NativeGlobal();
-
- for (int id = 1; id <= LAST_SCOPE_FUNCTION_ID; ++id) {
- String name;
- int arity = 1;
- switch (id) {
- case Id_decodeURI:
- name = "decodeURI";
- break;
- case Id_decodeURIComponent:
- name = "decodeURIComponent";
- break;
- case Id_encodeURI:
- name = "encodeURI";
- break;
- case Id_encodeURIComponent:
- name = "encodeURIComponent";
- break;
- case Id_escape:
- name = "escape";
- break;
- case Id_eval:
- name = "eval";
- break;
- case Id_isFinite:
- name = "isFinite";
- break;
- case Id_isNaN:
- name = "isNaN";
- break;
- case Id_isXMLName:
- name = "isXMLName";
- break;
- case Id_parseFloat:
- name = "parseFloat";
- break;
- case Id_parseInt:
- name = "parseInt";
- arity = 2;
- break;
- case Id_unescape:
- name = "unescape";
- break;
- case Id_uneval:
- name = "uneval";
- break;
- default:
- throw Kit.codeBug();
- }
- IdFunctionObject f = new IdFunctionObject(obj, FTAG, id, name,
- arity, scope);
- if (sealed) {
- f.sealObject();
- }
- f.exportAsScopeProperty();
- }
-
- ScriptableObject.defineProperty(
- scope, "NaN", ScriptRuntime.NaNobj,
- ScriptableObject.DONTENUM);
- ScriptableObject.defineProperty(
- scope, "Infinity",
- ScriptRuntime.wrapNumber(Double.POSITIVE_INFINITY),
- ScriptableObject.DONTENUM);
- ScriptableObject.defineProperty(
- scope, "undefined", Undefined.instance,
- ScriptableObject.DONTENUM);
-
- String[] errorMethods = Kit.semicolonSplit(""
- +"ConversionError;"
- +"EvalError;"
- +"RangeError;"
- +"ReferenceError;"
- +"SyntaxError;"
- +"TypeError;"
- +"URIError;"
- +"InternalError;"
- +"JavaException;"
- );
-
- /*
- Each error constructor gets its own Error object as a prototype,
- with the 'name' property set to the name of the error.
- */
- for (int i = 0; i < errorMethods.length; i++) {
- String name = errorMethods[i];
- Scriptable errorProto = ScriptRuntime.
- newObject(cx, scope, "Error",
- ScriptRuntime.emptyArgs);
- errorProto.put("name", errorProto, name);
- if (sealed) {
- if (errorProto instanceof ScriptableObject) {
- ((ScriptableObject)errorProto).sealObject();
- }
- }
- IdFunctionObject ctor = new IdFunctionObject(obj, FTAG,
- Id_new_CommonError,
- name, 1, scope);
- ctor.markAsConstructor(errorProto);
- if (sealed) {
- ctor.sealObject();
- }
- ctor.exportAsScopeProperty();
- }
- }
-
- public Object execIdCall(IdFunctionObject f, Context cx, Scriptable scope,
- Scriptable thisObj, Object[] args)
- {
- if (f.hasTag(FTAG)) {
- int methodId = f.methodId();
- switch (methodId) {
- case Id_decodeURI:
- case Id_decodeURIComponent: {
- String str = ScriptRuntime.toString(args, 0);
- return decode(str, methodId == Id_decodeURI);
- }
-
- case Id_encodeURI:
- case Id_encodeURIComponent: {
- String str = ScriptRuntime.toString(args, 0);
- return encode(str, methodId == Id_encodeURI);
- }
-
- case Id_escape:
- return js_escape(args);
-
- case Id_eval:
- return js_eval(cx, scope, args);
-
- case Id_isFinite: {
- boolean result;
- if (args.length < 1) {
- result = false;
- } else {
- double d = ScriptRuntime.toNumber(args[0]);
- result = (d == d
- && d != Double.POSITIVE_INFINITY
- && d != Double.NEGATIVE_INFINITY);
- }
- return ScriptRuntime.wrapBoolean(result);
- }
-
- case Id_isNaN: {
- // The global method isNaN, as per ECMA-262 15.1.2.6.
- boolean result;
- if (args.length < 1) {
- result = true;
- } else {
- double d = ScriptRuntime.toNumber(args[0]);
- result = (d != d);
- }
- return ScriptRuntime.wrapBoolean(result);
- }
-
- case Id_isXMLName: {
- Object name = (args.length == 0)
- ? Undefined.instance : args[0];
- XMLLib xmlLib = XMLLib.extractFromScope(scope);
- return ScriptRuntime.wrapBoolean(
- xmlLib.isXMLName(cx, name));
- }
-
- case Id_parseFloat:
- return js_parseFloat(args);
-
- case Id_parseInt:
- return js_parseInt(args);
-
- case Id_unescape:
- return js_unescape(args);
-
- case Id_uneval: {
- Object value = (args.length != 0)
- ? args[0] : Undefined.instance;
- return ScriptRuntime.uneval(cx, scope, value);
- }
-
- case Id_new_CommonError:
- // The implementation of all the ECMA error constructors
- // (SyntaxError, TypeError, etc.)
- return NativeError.make(cx, scope, f, args);
- }
- }
- throw f.unknown();
- }
-
- /**
- * The global method parseInt, as per ECMA-262 15.1.2.2.
- */
- private Object js_parseInt(Object[] args) {
- String s = ScriptRuntime.toString(args, 0);
- int radix = ScriptRuntime.toInt32(args, 1);
-
- int len = s.length();
- if (len == 0)
- return ScriptRuntime.NaNobj;
-
- boolean negative = false;
- int start = 0;
- char c;
- do {
- c = s.charAt(start);
- if (!Character.isWhitespace(c))
- break;
- start++;
- } while (start < len);
-
- if (c == '+' || (negative = (c == '-')))
- start++;
-
- final int NO_RADIX = -1;
- if (radix == 0) {
- radix = NO_RADIX;
- } else if (radix < 2 || radix > 36) {
- return ScriptRuntime.NaNobj;
- } else if (radix == 16 && len - start > 1 && s.charAt(start) == '0') {
- c = s.charAt(start+1);
- if (c == 'x' || c == 'X')
- start += 2;
- }
-
- if (radix == NO_RADIX) {
- radix = 10;
- if (len - start > 1 && s.charAt(start) == '0') {
- c = s.charAt(start+1);
- if (c == 'x' || c == 'X') {
- radix = 16;
- start += 2;
- } else if ('0' <= c && c <= '9') {
- radix = 8;
- start++;
- }
- }
- }
-
- double d = ScriptRuntime.stringToNumber(s, start, radix);
- return ScriptRuntime.wrapNumber(negative ? -d : d);
- }
-
- /**
- * The global method parseFloat, as per ECMA-262 15.1.2.3.
- *
- * @param args the arguments to parseFloat, ignoring args[>=1]
- */
- private Object js_parseFloat(Object[] args)
- {
- if (args.length < 1)
- return ScriptRuntime.NaNobj;
-
- String s = ScriptRuntime.toString(args[0]);
- int len = s.length();
- int start = 0;
- // Scan forward to skip whitespace
- char c;
- for (;;) {
- if (start == len) {
- return ScriptRuntime.NaNobj;
- }
- c = s.charAt(start);
- if (!TokenStream.isJSSpace(c)) {
- break;
- }
- ++start;
- }
-
- int i = start;
- if (c == '+' || c == '-') {
- ++i;
- if (i == len) {
- return ScriptRuntime.NaNobj;
- }
- c = s.charAt(i);
- }
-
- if (c == 'I') {
- // check for "Infinity"
- if (i+8 <= len && s.regionMatches(i, "Infinity", 0, 8)) {
- double d;
- if (s.charAt(start) == '-') {
- d = Double.NEGATIVE_INFINITY;
- } else {
- d = Double.POSITIVE_INFINITY;
- }
- return ScriptRuntime.wrapNumber(d);
- }
- return ScriptRuntime.NaNobj;
- }
-
- // Find the end of the legal bit
- int decimal = -1;
- int exponent = -1;
- for (; i < len; i++) {
- switch (s.charAt(i)) {
- case '.':
- if (decimal != -1) // Only allow a single decimal point.
- break;
- decimal = i;
- continue;
-
- case 'e':
- case 'E':
- if (exponent != -1)
- break;
- exponent = i;
- continue;
-
- case '+':
- case '-':
- // Only allow '+' or '-' after 'e' or 'E'
- if (exponent != i-1)
- break;
- continue;
-
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- continue;
-
- default:
- break;
- }
- break;
- }
- s = s.substring(start, i);
- try {
- return Double.valueOf(s);
- }
- catch (NumberFormatException ex) {
- return ScriptRuntime.NaNobj;
- }
- }
-
- /**
- * The global method escape, as per ECMA-262 15.1.2.4.
-
- * Includes code for the 'mask' argument supported by the C escape
- * method, which used to be part of the browser imbedding. Blame
- * for the strange constant names should be directed there.
- */
-
- private Object js_escape(Object[] args) {
- final int
- URL_XALPHAS = 1,
- URL_XPALPHAS = 2,
- URL_PATH = 4;
-
- String s = ScriptRuntime.toString(args, 0);
-
- int mask = URL_XALPHAS | URL_XPALPHAS | URL_PATH;
- if (args.length > 1) { // the 'mask' argument. Non-ECMA.
- double d = ScriptRuntime.toNumber(args[1]);
- if (d != d || ((mask = (int) d) != d) ||
- 0 != (mask & ~(URL_XALPHAS | URL_XPALPHAS | URL_PATH)))
- {
- throw Context.reportRuntimeError0("msg.bad.esc.mask");
- }
- }
-
- StringBuffer sb = null;
- for (int k = 0, L = s.length(); k != L; ++k) {
- int c = s.charAt(k);
- if (mask != 0
- && ((c >= '0' && c <= '9')
- || (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')
- || c == '@' || c == '*' || c == '_' || c == '-' || c == '.'
- || (0 != (mask & URL_PATH) && (c == '/' || c == '+'))))
- {
- if (sb != null) {
- sb.append((char)c);
- }
- } else {
- if (sb == null) {
- sb = new StringBuffer(L + 3);
- sb.append(s);
- sb.setLength(k);
- }
-
- int hexSize;
- if (c < 256) {
- if (c == ' ' && mask == URL_XPALPHAS) {
- sb.append('+');
- continue;
- }
- sb.append('%');
- hexSize = 2;
- } else {
- sb.append('%');
- sb.append('u');
- hexSize = 4;
- }
-
- // append hexadecimal form of c left-padded with 0
- for (int shift = (hexSize - 1) * 4; shift >= 0; shift -= 4) {
- int digit = 0xf & (c >> shift);
- int hc = (digit < 10) ? '0' + digit : 'A' - 10 + digit;
- sb.append((char)hc);
- }
- }
- }
-
- return (sb == null) ? s : sb.toString();
- }
-
- /**
- * The global unescape method, as per ECMA-262 15.1.2.5.
- */
-
- private Object js_unescape(Object[] args)
- {
- String s = ScriptRuntime.toString(args, 0);
- int firstEscapePos = s.indexOf('%');
- if (firstEscapePos >= 0) {
- int L = s.length();
- char[] buf = s.toCharArray();
- int destination = firstEscapePos;
- for (int k = firstEscapePos; k != L;) {
- char c = buf[k];
- ++k;
- if (c == '%' && k != L) {
- int end, start;
- if (buf[k] == 'u') {
- start = k + 1;
- end = k + 5;
- } else {
- start = k;
- end = k + 2;
- }
- if (end <= L) {
- int x = 0;
- for (int i = start; i != end; ++i) {
- x = Kit.xDigitToInt(buf[i], x);
- }
- if (x >= 0) {
- c = (char)x;
- k = end;
- }
- }
- }
- buf[destination] = c;
- ++destination;
- }
- s = new String(buf, 0, destination);
- }
- return s;
- }
-
- private Object js_eval(Context cx, Scriptable scope, Object[] args)
- {
- String m = ScriptRuntime.getMessage1("msg.cant.call.indirect", "eval");
- throw NativeGlobal.constructError(cx, "EvalError", m, scope);
- }
-
- static boolean isEvalFunction(Object functionObj)
- {
- if (functionObj instanceof IdFunctionObject) {
- IdFunctionObject function = (IdFunctionObject)functionObj;
- if (function.hasTag(FTAG) && function.methodId() == Id_eval) {
- return true;
- }
- }
- return false;
- }
-
- /**
- * @deprecated Use {@link ScriptRuntime#constructError(String,String)}
- * instead.
- */
- public static EcmaError constructError(Context cx,
- String error,
- String message,
- Scriptable scope)
- {
- return ScriptRuntime.constructError(error, message);
- }
-
- /**
- * @deprecated Use
- * {@link ScriptRuntime#constructError(String,String,String,int,String,int)}
- * instead.
- */
- public static EcmaError constructError(Context cx,
- String error,
- String message,
- Scriptable scope,
- String sourceName,
- int lineNumber,
- int columnNumber,
- String lineSource)
- {
- return ScriptRuntime.constructError(error, message,
- sourceName, lineNumber,
- lineSource, columnNumber);
- }
-
- /*
- * ECMA 3, 15.1.3 URI Handling Function Properties
- *
- * The following are implementations of the algorithms
- * given in the ECMA specification for the hidden functions
- * 'Encode' and 'Decode'.
- */
- private static String encode(String str, boolean fullUri) {
- byte[] utf8buf = null;
- StringBuffer sb = null;
-
- for (int k = 0, length = str.length(); k != length; ++k) {
- char C = str.charAt(k);
- if (encodeUnescaped(C, fullUri)) {
- if (sb != null) {
- sb.append(C);
- }
- } else {
- if (sb == null) {
- sb = new StringBuffer(length + 3);
- sb.append(str);
- sb.setLength(k);
- utf8buf = new byte[6];
- }
- if (0xDC00 <= C && C <= 0xDFFF) {
- throw Context.reportRuntimeError0("msg.bad.uri");
- }
- int V;
- if (C < 0xD800 || 0xDBFF < C) {
- V = C;
- } else {
- k++;
- if (k == length) {
- throw Context.reportRuntimeError0("msg.bad.uri");
- }
- char C2 = str.charAt(k);
- if (!(0xDC00 <= C2 && C2 <= 0xDFFF)) {
- throw Context.reportRuntimeError0("msg.bad.uri");
- }
- V = ((C - 0xD800) << 10) + (C2 - 0xDC00) + 0x10000;
- }
- int L = oneUcs4ToUtf8Char(utf8buf, V);
- for (int j = 0; j < L; j++) {
- int d = 0xff & utf8buf[j];
- sb.append('%');
- sb.append(toHexChar(d >>> 4));
- sb.append(toHexChar(d & 0xf));
- }
- }
- }
- return (sb == null) ? str : sb.toString();
- }
-
- private static char toHexChar(int i) {
- if (i >> 4 != 0) Kit.codeBug();
- return (char)((i < 10) ? i + '0' : i - 10 + 'a');
- }
-
- private static int unHex(char c) {
- if ('A' <= c && c <= 'F') {
- return c - 'A' + 10;
- } else if ('a' <= c && c <= 'f') {
- return c - 'a' + 10;
- } else if ('0' <= c && c <= '9') {
- return c - '0';
- } else {
- return -1;
- }
- }
-
- private static int unHex(char c1, char c2) {
- int i1 = unHex(c1);
- int i2 = unHex(c2);
- if (i1 >= 0 && i2 >= 0) {
- return (i1 << 4) | i2;
- }
- return -1;
- }
-
- private static String decode(String str, boolean fullUri) {
- char[] buf = null;
- int bufTop = 0;
-
- for (int k = 0, length = str.length(); k != length;) {
- char C = str.charAt(k);
- if (C != '%') {
- if (buf != null) {
- buf[bufTop++] = C;
- }
- ++k;
- } else {
- if (buf == null) {
- // decode always compress so result can not be bigger then
- // str.length()
- buf = new char[length];
- str.getChars(0, k, buf, 0);
- bufTop = k;
- }
- int start = k;
- if (k + 3 > length)
- throw Context.reportRuntimeError0("msg.bad.uri");
- int B = unHex(str.charAt(k + 1), str.charAt(k + 2));
- if (B < 0) throw Context.reportRuntimeError0("msg.bad.uri");
- k += 3;
- if ((B & 0x80) == 0) {
- C = (char)B;
- } else {
- // Decode UTF-8 sequence into ucs4Char and encode it into
- // UTF-16
- int utf8Tail, ucs4Char, minUcs4Char;
- if ((B & 0xC0) == 0x80) {
- // First UTF-8 should be ouside 0x80..0xBF
- throw Context.reportRuntimeError0("msg.bad.uri");
- } else if ((B & 0x20) == 0) {
- utf8Tail = 1; ucs4Char = B & 0x1F;
- minUcs4Char = 0x80;
- } else if ((B & 0x10) == 0) {
- utf8Tail = 2; ucs4Char = B & 0x0F;
- minUcs4Char = 0x800;
- } else if ((B & 0x08) == 0) {
- utf8Tail = 3; ucs4Char = B & 0x07;
- minUcs4Char = 0x10000;
- } else if ((B & 0x04) == 0) {
- utf8Tail = 4; ucs4Char = B & 0x03;
- minUcs4Char = 0x200000;
- } else if ((B & 0x02) == 0) {
- utf8Tail = 5; ucs4Char = B & 0x01;
- minUcs4Char = 0x4000000;
- } else {
- // First UTF-8 can not be 0xFF or 0xFE
- throw Context.reportRuntimeError0("msg.bad.uri");
- }
- if (k + 3 * utf8Tail > length)
- throw Context.reportRuntimeError0("msg.bad.uri");
- for (int j = 0; j != utf8Tail; j++) {
- if (str.charAt(k) != '%')
- throw Context.reportRuntimeError0("msg.bad.uri");
- B = unHex(str.charAt(k + 1), str.charAt(k + 2));
- if (B < 0 || (B & 0xC0) != 0x80)
- throw Context.reportRuntimeError0("msg.bad.uri");
- ucs4Char = (ucs4Char << 6) | (B & 0x3F);
- k += 3;
- }
- // Check for overlongs and other should-not-present codes
- if (ucs4Char < minUcs4Char
- || ucs4Char == 0xFFFE || ucs4Char == 0xFFFF)
- {
- ucs4Char = 0xFFFD;
- }
- if (ucs4Char >= 0x10000) {
- ucs4Char -= 0x10000;
- if (ucs4Char > 0xFFFFF)
- throw Context.reportRuntimeError0("msg.bad.uri");
- char H = (char)((ucs4Char >>> 10) + 0xD800);
- C = (char)((ucs4Char & 0x3FF) + 0xDC00);
- buf[bufTop++] = H;
- } else {
- C = (char)ucs4Char;
- }
- }
- if (fullUri && URI_DECODE_RESERVED.indexOf(C) >= 0) {
- for (int x = start; x != k; x++) {
- buf[bufTop++] = str.charAt(x);
- }
- } else {
- buf[bufTop++] = C;
- }
- }
- }
- return (buf == null) ? str : new String(buf, 0, bufTop);
- }
-
- private static boolean encodeUnescaped(char c, boolean fullUri) {
- if (('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z')
- || ('0' <= c && c <= '9'))
- {
- return true;
- }
- if ("-_.!~*'()".indexOf(c) >= 0)
- return true;
- if (fullUri) {
- return URI_DECODE_RESERVED.indexOf(c) >= 0;
- }
- return false;
- }
-
- private static final String URI_DECODE_RESERVED = ";/?:@&=+$,#";
-
- /* Convert one UCS-4 char and write it into a UTF-8 buffer, which must be
- * at least 6 bytes long. Return the number of UTF-8 bytes of data written.
- */
- private static int oneUcs4ToUtf8Char(byte[] utf8Buffer, int ucs4Char) {
- int utf8Length = 1;
-
- //JS_ASSERT(ucs4Char <= 0x7FFFFFFF);
- if ((ucs4Char & ~0x7F) == 0)
- utf8Buffer[0] = (byte)ucs4Char;
- else {
- int i;
- int a = ucs4Char >>> 11;
- utf8Length = 2;
- while (a != 0) {
- a >>>= 5;
- utf8Length++;
- }
- i = utf8Length;
- while (--i > 0) {
- utf8Buffer[i] = (byte)((ucs4Char & 0x3F) | 0x80);
- ucs4Char >>>= 6;
- }
- utf8Buffer[0] = (byte)(0x100 - (1 << (8-utf8Length)) + ucs4Char);
- }
- return utf8Length;
- }
-
- private static final Object FTAG = new Object();
-
- private static final int
- Id_decodeURI = 1,
- Id_decodeURIComponent = 2,
- Id_encodeURI = 3,
- Id_encodeURIComponent = 4,
- Id_escape = 5,
- Id_eval = 6,
- Id_isFinite = 7,
- Id_isNaN = 8,
- Id_isXMLName = 9,
- Id_parseFloat = 10,
- Id_parseInt = 11,
- Id_unescape = 12,
- Id_uneval = 13,
-
- LAST_SCOPE_FUNCTION_ID = 13,
-
- Id_new_CommonError = 14;
-}
generated by cgit v1.2.3-1-g7c22 (git 2.25.1) at 2024-06-02 06:17:07 +0000