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354 lines
10 KiB
C
354 lines
10 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is SpiderMonkey E4X code, released August, 2004.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef jsxml_h___
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#define jsxml_h___
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#include "jspubtd.h"
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JS_BEGIN_EXTERN_C
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extern const char js_AnyName_str[];
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extern const char js_AttributeName_str[];
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extern const char js_isXMLName_str[];
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extern const char js_XMLList_str[];
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extern const char js_amp_entity_str[];
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extern const char js_gt_entity_str[];
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extern const char js_lt_entity_str[];
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extern const char js_quot_entity_str[];
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typedef JSBool
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(* JSIdentityOp)(const void *a, const void *b);
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struct JSXMLArray {
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uint32 length;
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uint32 capacity;
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void **vector;
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JSXMLArrayCursor *cursors;
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};
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struct JSXMLArrayCursor
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{
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JSXMLArray *array;
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uint32 index;
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JSXMLArrayCursor *next;
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JSXMLArrayCursor **prevp;
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void *root;
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JSXMLArrayCursor(JSXMLArray *array)
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: array(array), index(0), next(array->cursors), prevp(&array->cursors),
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root(NULL)
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{
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if (next)
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next->prevp = &next;
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array->cursors = this;
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}
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~JSXMLArrayCursor() { disconnect(); }
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void disconnect() {
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if (!array)
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return;
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if (next)
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next->prevp = prevp;
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*prevp = next;
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array = NULL;
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}
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void *getNext() {
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if (!array || index >= array->length)
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return NULL;
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return root = array->vector[index++];
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}
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void *getCurrent() {
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if (!array || index >= array->length)
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return NULL;
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return root = array->vector[index];
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}
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void trace(JSTracer *trc) {
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#ifdef DEBUG
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size_t index = 0;
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#endif
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for (JSXMLArrayCursor *cursor = this; cursor; cursor = cursor->next) {
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void *root = cursor->root;
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JS_SET_TRACING_INDEX(trc, "cursor_root", index++);
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js_CallValueTracerIfGCThing(trc, jsval(root));
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}
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}
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};
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#define JSXML_PRESET_CAPACITY JS_BIT(31)
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#define JSXML_CAPACITY_MASK JS_BITMASK(31)
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#define JSXML_CAPACITY(array) ((array)->capacity & JSXML_CAPACITY_MASK)
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/*
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* NB: don't reorder this enum without changing all array initializers that
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* depend on it in jsxml.c.
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*/
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typedef enum JSXMLClass {
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JSXML_CLASS_LIST,
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JSXML_CLASS_ELEMENT,
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JSXML_CLASS_ATTRIBUTE,
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JSXML_CLASS_PROCESSING_INSTRUCTION,
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JSXML_CLASS_TEXT,
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JSXML_CLASS_COMMENT,
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JSXML_CLASS_LIMIT
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} JSXMLClass;
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#define JSXML_CLASS_HAS_KIDS(class_) ((class_) < JSXML_CLASS_ATTRIBUTE)
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#define JSXML_CLASS_HAS_VALUE(class_) ((class_) >= JSXML_CLASS_ATTRIBUTE)
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#define JSXML_CLASS_HAS_NAME(class_) \
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((uintN)((class_) - JSXML_CLASS_ELEMENT) <= \
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(uintN)(JSXML_CLASS_PROCESSING_INSTRUCTION - JSXML_CLASS_ELEMENT))
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#ifdef DEBUG_notme
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#include "jsclist.h"
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#endif
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typedef struct JSXMLListVar {
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JSXMLArray kids; /* NB: must come first */
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JSXML *target;
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JSObject *targetprop;
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} JSXMLListVar;
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typedef struct JSXMLElemVar {
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JSXMLArray kids; /* NB: must come first */
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JSXMLArray namespaces;
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JSXMLArray attrs;
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} JSXMLElemVar;
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struct JSXML {
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#ifdef DEBUG_notme
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JSCList links;
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uint32 serial;
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#endif
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JSObject *object;
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void *domnode; /* DOM node if mapped info item */
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JSXML *parent;
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JSObject *name;
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uint32 xml_class; /* discriminates u, below */
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uint32 xml_flags; /* flags, see below */
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union {
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JSXMLListVar list;
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JSXMLElemVar elem;
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JSString *value;
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} u;
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};
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JS_STATIC_ASSERT(sizeof(JSXML) % JSVAL_ALIGN == 0);
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/* union member shorthands */
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#define xml_kids u.list.kids
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#define xml_target u.list.target
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#define xml_targetprop u.list.targetprop
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#define xml_namespaces u.elem.namespaces
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#define xml_attrs u.elem.attrs
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#define xml_value u.value
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/* xml_flags values */
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#define XMLF_WHITESPACE_TEXT 0x1
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/* xml_class-testing macros */
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#define JSXML_HAS_KIDS(xml) JSXML_CLASS_HAS_KIDS((xml)->xml_class)
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#define JSXML_HAS_VALUE(xml) JSXML_CLASS_HAS_VALUE((xml)->xml_class)
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#define JSXML_HAS_NAME(xml) JSXML_CLASS_HAS_NAME((xml)->xml_class)
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#define JSXML_LENGTH(xml) (JSXML_CLASS_HAS_KIDS((xml)->xml_class) \
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? (xml)->xml_kids.length \
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: 0)
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extern JSXML *
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js_NewXML(JSContext *cx, JSXMLClass xml_class);
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extern void
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js_TraceXML(JSTracer *trc, JSXML *xml);
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extern void
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js_FinalizeXML(JSContext *cx, JSXML *xml);
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extern JSObject *
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js_NewXMLObject(JSContext *cx, JSXMLClass xml_class);
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extern JSObject *
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js_GetXMLObject(JSContext *cx, JSXML *xml);
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extern JS_FRIEND_DATA(JSObjectOps) js_XMLObjectOps;
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extern JS_FRIEND_DATA(JSClass) js_XMLClass;
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extern JS_FRIEND_DATA(JSExtendedClass) js_NamespaceClass;
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extern JS_FRIEND_DATA(JSExtendedClass) js_QNameClass;
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extern JS_FRIEND_DATA(JSClass) js_AttributeNameClass;
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extern JS_FRIEND_DATA(JSClass) js_AnyNameClass;
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extern JSClass js_XMLFilterClass;
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/*
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* Methods to test whether an object or a value is of type "xml" (per typeof).
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* NB: jsobj.h must be included before any call to OBJECT_IS_XML, and jsapi.h
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* and jsobj.h must be included before any call to VALUE_IS_XML.
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*
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* FIXME: bogus cx parameters for OBJECT_IS_XML and VALUE_IS_XML.
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*/
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inline bool
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JSObject::isXML() const
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{
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return map->ops == &js_XMLObjectOps;
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}
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#define OBJECT_IS_XML(cx,obj) (obj)->isXML()
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#define VALUE_IS_XML(cx,v) (!JSVAL_IS_PRIMITIVE(v) && \
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JSVAL_TO_OBJECT(v)->isXML())
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extern JSObject *
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js_InitNamespaceClass(JSContext *cx, JSObject *obj);
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extern JSObject *
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js_InitQNameClass(JSContext *cx, JSObject *obj);
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extern JSObject *
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js_InitAttributeNameClass(JSContext *cx, JSObject *obj);
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extern JSObject *
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js_InitAnyNameClass(JSContext *cx, JSObject *obj);
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extern JSObject *
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js_InitXMLClass(JSContext *cx, JSObject *obj);
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extern JSObject *
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js_InitXMLClasses(JSContext *cx, JSObject *obj);
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extern JSBool
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js_GetFunctionNamespace(JSContext *cx, jsval *vp);
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/*
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* If obj is QName corresponding to function::name, set *funidp to name's id,
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* otherwise set *funidp to 0.
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*/
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JSBool
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js_IsFunctionQName(JSContext *cx, JSObject *obj, jsid *funidp);
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extern JSBool
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js_GetDefaultXMLNamespace(JSContext *cx, jsval *vp);
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extern JSBool
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js_SetDefaultXMLNamespace(JSContext *cx, jsval v);
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/*
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* Return true if v is a XML QName object, or if it converts to a string that
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* contains a valid XML qualified name (one containing no :), false otherwise.
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* NB: This function is an infallible predicate, it hides exceptions.
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*/
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extern JSBool
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js_IsXMLName(JSContext *cx, jsval v);
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extern JSBool
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js_ToAttributeName(JSContext *cx, jsval *vp);
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extern JSString *
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js_EscapeAttributeValue(JSContext *cx, JSString *str, JSBool quote);
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extern JSString *
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js_AddAttributePart(JSContext *cx, JSBool isName, JSString *str,
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JSString *str2);
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extern JSString *
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js_EscapeElementValue(JSContext *cx, JSString *str);
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extern JSString *
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js_ValueToXMLString(JSContext *cx, jsval v);
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extern JSObject *
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js_ConstructXMLQNameObject(JSContext *cx, jsval nsval, jsval lnval);
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extern JSBool
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js_GetAnyName(JSContext *cx, jsval *vp);
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/*
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* Note: nameval must be either QName, AttributeName, or AnyName.
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*/
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extern JSBool
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js_FindXMLProperty(JSContext *cx, jsval nameval, JSObject **objp, jsid *idp);
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extern JSBool
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js_GetXMLMethod(JSContext *cx, JSObject *obj, jsid id, jsval *vp);
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extern JSBool
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js_GetXMLDescendants(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
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extern JSBool
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js_DeleteXMLListElements(JSContext *cx, JSObject *listobj);
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extern JSBool
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js_StepXMLListFilter(JSContext *cx, JSBool initialized);
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extern JSObject *
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js_ValueToXMLObject(JSContext *cx, jsval v);
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extern JSObject *
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js_ValueToXMLListObject(JSContext *cx, jsval v);
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extern JSObject *
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js_CloneXMLObject(JSContext *cx, JSObject *obj);
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extern JSObject *
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js_NewXMLSpecialObject(JSContext *cx, JSXMLClass xml_class, JSString *name,
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JSString *value);
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extern JSString *
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js_MakeXMLCDATAString(JSContext *cx, JSString *str);
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extern JSString *
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js_MakeXMLCommentString(JSContext *cx, JSString *str);
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extern JSString *
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js_MakeXMLPIString(JSContext *cx, JSString *name, JSString *str);
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extern JSBool
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js_EnumerateXMLValues(JSContext *cx, JSObject *obj, JSIterateOp enum_op,
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jsval *statep, jsid *idp, jsval *vp);
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extern JSBool
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js_TestXMLEquality(JSContext *cx, JSObject *obj, jsval v, JSBool *bp);
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extern JSBool
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js_ConcatenateXML(JSContext *cx, JSObject *obj, jsval v, jsval *vp);
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JS_END_EXTERN_C
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#endif /* jsxml_h___ */
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