зеркало из https://github.com/mozilla/gecko-dev.git
701 строка
17 KiB
C++
701 строка
17 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 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 Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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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 Mozilla Communicator client code.
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsIFrameUtil.h"
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#include "nsFrame.h"
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#include "nsString.h"
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#include "nsRect.h"
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#include <stdlib.h>
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#include "plstr.h"
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#ifdef NS_DEBUG
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class nsFrameUtil : public nsIFrameUtil {
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public:
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nsFrameUtil();
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virtual ~nsFrameUtil();
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NS_DECL_ISUPPORTS
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NS_IMETHOD CompareRegressionData(FILE* aFile1, FILE* aFile2,PRInt32 aRegressionOutput=0);
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NS_IMETHOD DumpRegressionData(FILE* aInputFile, FILE* aOutputFile);
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struct Node;
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struct Tag;
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struct NodeList {
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NodeList();
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~NodeList();
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static void Destroy(NodeList* aLists);
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NodeList* next; // for lists of lists
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Node* node;
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char* name;
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};
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struct Node {
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Node();
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~Node();
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static void Destroy(Node* aNode);
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static Node* Read(FILE* aFile, Tag* aTag);
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static Node* ReadTree(FILE* aFile);
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Node* next;
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char* type;
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PRUint32 state;
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nsRect bbox;
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nsCString styleData;
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NodeList* lists;
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};
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struct Tag {
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Tag();
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~Tag();
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static Tag* Parse(FILE* aFile);
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void AddAttr(char* aAttr, char* aValue);
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char* GetAttr(char* aAttr);
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void ReadAttrs(FILE* aFile);
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void ToString(nsString& aResult);
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enum Type {
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open,
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close,
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openClose
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};
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char* name;
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Type type;
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char** attributes;
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PRInt32 num;
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PRInt32 size;
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char** values;
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};
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static char* Copy(char* aString);
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static void DumpNode(Node* aNode, FILE* aOutputFile, PRInt32 aIndent);
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static void DumpTree(Node* aNode, FILE* aOutputFile, PRInt32 aIndent);
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static PRBool CompareTrees(Node* aNode1, Node* aNode2);
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};
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char*
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nsFrameUtil::Copy(char* aString)
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{
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if (aString) {
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int l = ::strlen(aString);
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char* c = new char[l+1];
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memcpy(c, aString, l+1);
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return c;
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}
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return aString;
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}
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//----------------------------------------------------------------------
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nsFrameUtil::NodeList::NodeList()
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: next(nsnull), node(nsnull), name(nsnull)
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{
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}
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nsFrameUtil::NodeList::~NodeList()
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{
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if (nsnull != name) {
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delete name;
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}
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if (nsnull != node) {
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Node::Destroy(node);
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}
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}
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void
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nsFrameUtil::NodeList::Destroy(NodeList* aLists)
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{
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while (nsnull != aLists) {
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NodeList* next = aLists->next;
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delete aLists;
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aLists = next;
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}
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}
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//----------------------------------------------------------------------
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nsFrameUtil::Node::Node()
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: next(nsnull), type(nsnull), state(0), lists(nsnull)
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{
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}
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nsFrameUtil::Node::~Node()
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{
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if (nsnull != type) {
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delete type;
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}
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if (nsnull != lists) {
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NodeList::Destroy(lists);
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}
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}
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void
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nsFrameUtil::Node::Destroy(Node* aList)
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{
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while (nsnull != aList) {
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Node* next = aList->next;
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delete aList;
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aList = next;
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}
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}
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static PRInt32 GetInt(nsFrameUtil::Tag* aTag, char* aAttr)
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{
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char* value = aTag->GetAttr(aAttr);
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if (nsnull != value) {
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return PRInt32( atoi(value) );
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}
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return 0;
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}
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nsFrameUtil::Node*
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nsFrameUtil::Node::ReadTree(FILE* aFile)
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{
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Tag* tag = Tag::Parse(aFile);
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if (nsnull == tag) {
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return nsnull;
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}
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if (PL_strcmp(tag->name, "frame") != 0) {
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delete tag;
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return nsnull;
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}
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Node* result = Read(aFile, tag);
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fclose(aFile);
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return result;
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}
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nsFrameUtil::Node*
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nsFrameUtil::Node::Read(FILE* aFile, Tag* tag)
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{
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Node* node = new Node;
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node->type = Copy(tag->GetAttr("type"));
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node->state = GetInt(tag, "state");
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delete tag;
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for (;;) {
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tag = Tag::Parse(aFile);
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if (nsnull == tag) break;
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if (PL_strcmp(tag->name, "frame") == 0) {
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delete tag;
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break;
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}
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if (PL_strcmp(tag->name, "bbox") == 0) {
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nscoord x = nscoord( GetInt(tag, "x") );
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nscoord y = nscoord( GetInt(tag, "y") );
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nscoord w = nscoord( GetInt(tag, "w") );
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nscoord h = nscoord( GetInt(tag, "h") );
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node->bbox.SetRect(x, y, w, h);
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}
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else if (PL_strcmp(tag->name, "child-list") == 0) {
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NodeList* list = new NodeList();
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list->name = Copy(tag->GetAttr("name"));
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list->next = node->lists;
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node->lists = list;
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delete tag;
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Node** tailp = &list->node;
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for (;;) {
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tag = Tag::Parse(aFile);
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if (nsnull == tag) {
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break;
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}
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if (PL_strcmp(tag->name, "child-list") == 0) {
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break;
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}
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if (PL_strcmp(tag->name, "frame") != 0) {
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break;
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}
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Node* child = Node::Read(aFile, tag);
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if (nsnull == child) {
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break;
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}
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*tailp = child;
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tailp = &child->next;
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}
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}
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else if((PL_strcmp(tag->name, "font") == 0) ||
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(PL_strcmp(tag->name, "color") == 0) ||
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(PL_strcmp(tag->name, "spacing") == 0) ||
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(PL_strcmp(tag->name, "list") == 0) ||
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(PL_strcmp(tag->name, "position") == 0) ||
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(PL_strcmp(tag->name, "text") == 0) ||
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(PL_strcmp(tag->name, "display") == 0) ||
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(PL_strcmp(tag->name, "table") == 0) ||
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(PL_strcmp(tag->name, "content") == 0) ||
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(PL_strcmp(tag->name, "UI") == 0) ||
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(PL_strcmp(tag->name, "print") == 0)) {
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char* attr = tag->GetAttr("data");
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node->styleData.Append('|');
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node->styleData.Append((const char *)(attr ? attr : "null attr"));
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}
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delete tag;
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}
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return node;
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}
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//----------------------------------------------------------------------
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nsFrameUtil::Tag::Tag()
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: name(nsnull), type(open), attributes(nsnull), num(0), size(0),
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values(nsnull)
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{
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}
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nsFrameUtil::Tag::~Tag()
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{
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PRInt32 i, n = num;
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if (0 != n) {
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for (i = 0; i < n; i++) {
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delete attributes[i];
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delete values[i];
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}
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delete attributes;
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delete values;
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}
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}
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void
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nsFrameUtil::Tag::AddAttr(char* aAttr, char* aValue)
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{
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if (num == size) {
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PRInt32 newSize = size * 2 + 4;
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char** a = new char*[newSize];
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char** v = new char*[newSize];
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if (0 != num) {
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memcpy(a, attributes, num * sizeof(char*));
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memcpy(v, values, num * sizeof(char*));
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delete attributes;
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delete values;
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}
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attributes = a;
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values = v;
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size = newSize;
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}
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attributes[num] = aAttr;
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values[num] = aValue;
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num = num + 1;
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}
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char*
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nsFrameUtil::Tag::GetAttr(char* aAttr)
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{
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PRInt32 i, n = num;
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for (i = 0; i < n; i++) {
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if (PL_strcmp(attributes[i], aAttr) == 0) {
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return values[i];
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}
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}
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return nsnull;
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}
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static inline int IsWhiteSpace(int c) {
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return (c == ' ') || (c == '\t') || (c == '\n') || (c == '\r');
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}
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static PRBool EatWS(FILE* aFile)
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{
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for (;;) {
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int c = getc(aFile);
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if (c < 0) {
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return PR_FALSE;
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}
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if (!IsWhiteSpace(c)) {
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ungetc(c, aFile);
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break;
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}
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}
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return PR_TRUE;
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}
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static PRBool Expect(FILE* aFile, char aChar)
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{
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int c = getc(aFile);
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if (c < 0) return PR_FALSE;
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if (c != aChar) {
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ungetc(c, aFile);
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return PR_FALSE;
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}
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return PR_TRUE;
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}
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static char* ReadIdent(FILE* aFile)
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{
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char id[1000];
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char* ip = id;
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char* end = ip + sizeof(id) - 1;
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while (ip < end) {
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int c = fgetc(aFile);
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if (c < 0) return nsnull;
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if ((c == '=') || (c == '>') || (c == '/') || IsWhiteSpace(c)) {
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ungetc(c, aFile);
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break;
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}
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*ip++ = char(c);
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}
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*ip = '\0';
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return nsFrameUtil::Copy(id);
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}
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static char* ReadString(FILE* aFile)
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{
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if (!Expect(aFile, '\"')) {
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return nsnull;
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}
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char id[1000];
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char* ip = id;
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char* end = ip + sizeof(id) - 1;
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while (ip < end) {
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int c = fgetc(aFile);
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if (c < 0) return nsnull;
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if (c == '\"') {
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break;
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}
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*ip++ = char(c);
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}
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*ip = '\0';
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return nsFrameUtil::Copy(id);
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}
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void
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nsFrameUtil::Tag::ReadAttrs(FILE* aFile)
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{
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for (;;) {
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if (!EatWS(aFile)) {
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break;
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}
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int c = getc(aFile);
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if (c < 0) break;
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if (c == '/') {
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if (!EatWS(aFile)) {
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return;
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}
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if (Expect(aFile, '>')) {
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type = openClose;
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break;
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}
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}
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else if (c == '>') {
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break;
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}
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ungetc(c, aFile);
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char* attr = ReadIdent(aFile);
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if ((nsnull == attr) || !EatWS(aFile)) {
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break;
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}
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char* value = nsnull;
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if (Expect(aFile, '=')) {
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value = ReadString(aFile);
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if (nsnull == value) {
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break;
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}
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}
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AddAttr(attr, value);
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}
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}
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nsFrameUtil::Tag*
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nsFrameUtil::Tag::Parse(FILE* aFile)
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{
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if (!EatWS(aFile)) {
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return nsnull;
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}
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if (Expect(aFile, '<')) {
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Tag* tag = new Tag;
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if (Expect(aFile, '/')) {
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tag->type = close;
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}
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else {
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tag->type = open;
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}
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tag->name = ReadIdent(aFile);
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tag->ReadAttrs(aFile);
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return tag;
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}
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return nsnull;
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}
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void
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nsFrameUtil::Tag::ToString(nsString& aResult)
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{
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aResult.Truncate();
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aResult.Append(PRUnichar('<'));
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if (type == close) {
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aResult.Append(PRUnichar('/'));
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}
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aResult.AppendWithConversion(name);
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if (0 != num) {
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PRInt32 i, n = num;
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for (i = 0; i < n; i++) {
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aResult.Append(PRUnichar(' '));
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aResult.AppendWithConversion(attributes[i]);
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if (values[i]) {
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aResult.Append(NS_LITERAL_STRING("=\""));
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aResult.AppendWithConversion(values[i]);
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aResult.Append(PRUnichar('\"'));
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}
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}
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}
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if (type == openClose) {
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aResult.Append(PRUnichar('/'));
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}
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aResult.Append(PRUnichar('>'));
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}
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//----------------------------------------------------------------------
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nsresult NS_NewFrameUtil(nsIFrameUtil** aResult);
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nsresult
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NS_NewFrameUtil(nsIFrameUtil** aResult)
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{
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NS_PRECONDITION(nsnull != aResult, "null pointer");
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if (nsnull == aResult) {
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return NS_ERROR_NULL_POINTER;
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}
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*aResult = nsnull;
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nsFrameUtil* it = new nsFrameUtil();
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return it->QueryInterface(NS_GET_IID(nsIFrameUtil), (void**) aResult);
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}
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nsFrameUtil::nsFrameUtil()
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{
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}
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nsFrameUtil::~nsFrameUtil()
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{
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}
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NS_IMPL_ISUPPORTS1(nsFrameUtil, nsIFrameUtil)
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void
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nsFrameUtil::DumpNode(Node* aNode, FILE* aOutputFile, PRInt32 aIndent)
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{
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nsFrame::IndentBy(aOutputFile, aIndent);
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fprintf(aOutputFile, "%s 0x%x %d,%d,%d,%d, %s\n", aNode->type, aNode->state,
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aNode->bbox.x, aNode->bbox.y,
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aNode->bbox.width, aNode->bbox.height,
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aNode->styleData.get());
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}
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void
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nsFrameUtil::DumpTree(Node* aNode, FILE* aOutputFile, PRInt32 aIndent)
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{
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while (nsnull != aNode) {
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DumpNode(aNode, aOutputFile, aIndent);
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nsFrameUtil::NodeList* lists = aNode->lists;
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if (nsnull != lists) {
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while (nsnull != lists) {
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nsFrame::IndentBy(aOutputFile, aIndent);
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fprintf(aOutputFile, " list: %s\n",
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lists->name ? lists->name : "primary");
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DumpTree(lists->node, aOutputFile, aIndent + 1);
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lists = lists->next;
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}
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}
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aNode = aNode->next;
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}
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}
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PRBool
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nsFrameUtil::CompareTrees(Node* tree1, Node* tree2)
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{
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PRBool result = PR_TRUE;
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for (;; tree1 = tree1->next, tree2 = tree2->next) {
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// Make sure both nodes are non-null, or at least agree with each other
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if (nsnull == tree1) {
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if (nsnull == tree2) {
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break;
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}
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printf("first tree prematurely ends\n");
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return PR_FALSE;
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}
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else if (nsnull == tree2) {
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printf("second tree prematurely ends\n");
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return PR_FALSE;
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|
}
|
|
|
|
// Check the attributes that we care about
|
|
if (0 != PL_strcmp(tree1->type, tree2->type)) {
|
|
printf("frame type mismatch: %s vs. %s\n", tree1->type, tree2->type);
|
|
printf("Node 1:\n");
|
|
DumpNode(tree1, stdout, 1);
|
|
printf("Node 2:\n");
|
|
DumpNode(tree2, stdout, 1);
|
|
return PR_FALSE;
|
|
}
|
|
|
|
// Ignore the XUL scrollbar frames
|
|
static const char kScrollbarFrame[] = "ScrollbarFrame";
|
|
if (0 == PL_strncmp(tree1->type, kScrollbarFrame, sizeof(kScrollbarFrame) - 1))
|
|
continue;
|
|
|
|
// We'll ignore these flags for the purposes of comparing frame state:
|
|
//
|
|
// NS_FRAME_EXTERNAL_REFERENCE
|
|
// because this is set by the event state manager or the
|
|
// caret code when a frame is focused. Depending on whether
|
|
// or not the regression tests are run as the focused window
|
|
// will make this value vary randomly.
|
|
#define IRRELEVANT_FRAME_STATE_FLAGS NS_FRAME_EXTERNAL_REFERENCE
|
|
|
|
#define FRAME_STATE_MASK (~(IRRELEVANT_FRAME_STATE_FLAGS))
|
|
|
|
if ((tree1->state & FRAME_STATE_MASK) != (tree2->state & FRAME_STATE_MASK)) {
|
|
printf("frame state mismatch: 0x%x vs. 0x%x\n",
|
|
tree1->state, tree2->state);
|
|
printf("Node 1:\n");
|
|
DumpNode(tree1, stdout, 1);
|
|
printf("Node 2:\n");
|
|
DumpNode(tree2, stdout, 1);
|
|
result = PR_FALSE; // we have a non-critical failure, so remember that but continue
|
|
}
|
|
if (tree1->bbox != tree2->bbox) {
|
|
printf("frame bbox mismatch: %d,%d,%d,%d vs. %d,%d,%d,%d\n",
|
|
tree1->bbox.x, tree1->bbox.y,
|
|
tree1->bbox.width, tree1->bbox.height,
|
|
tree2->bbox.x, tree2->bbox.y,
|
|
tree2->bbox.width, tree2->bbox.height);
|
|
printf("Node 1:\n");
|
|
DumpNode(tree1, stdout, 1);
|
|
printf("Node 2:\n");
|
|
DumpNode(tree2, stdout, 1);
|
|
result = PR_FALSE; // we have a non-critical failure, so remember that but continue
|
|
}
|
|
if (tree1->styleData != tree2->styleData) {
|
|
printf("frame style data mismatch: %s vs. %s\n",
|
|
tree1->styleData.get(),
|
|
tree2->styleData.get());
|
|
}
|
|
|
|
// Check child lists too
|
|
NodeList* list1 = tree1->lists;
|
|
NodeList* list2 = tree2->lists;
|
|
for (;;) {
|
|
if (nsnull == list1) {
|
|
if (nsnull != list2) {
|
|
printf("first tree prematurely ends (no child lists)\n");
|
|
printf("Node 1:\n");
|
|
DumpNode(tree1, stdout, 1);
|
|
printf("Node 2:\n");
|
|
DumpNode(tree2, stdout, 1);
|
|
return PR_FALSE;
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
if (nsnull == list2) {
|
|
printf("second tree prematurely ends (no child lists)\n");
|
|
printf("Node 1:\n");
|
|
DumpNode(tree1, stdout, 1);
|
|
printf("Node 2:\n");
|
|
DumpNode(tree2, stdout, 1);
|
|
return PR_FALSE;
|
|
}
|
|
if (0 != PL_strcmp(list1->name, list2->name)) {
|
|
printf("child-list name mismatch: %s vs. %s\n",
|
|
list1->name ? list1->name : "(null)",
|
|
list2->name ? list2->name : "(null)");
|
|
result = PR_FALSE; // we have a non-critical failure, so remember that but continue
|
|
}
|
|
else {
|
|
PRBool equiv = CompareTrees(list1->node, list2->node);
|
|
if (!equiv) {
|
|
return equiv;
|
|
}
|
|
}
|
|
list1 = list1->next;
|
|
list2 = list2->next;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameUtil::CompareRegressionData(FILE* aFile1, FILE* aFile2,PRInt32 aRegressionOutput)
|
|
{
|
|
Node* tree1 = Node::ReadTree(aFile1);
|
|
Node* tree2 = Node::ReadTree(aFile2);
|
|
|
|
nsresult rv = NS_OK;
|
|
if (!CompareTrees(tree1, tree2)) {
|
|
// only output this if aRegressionOutput is 0
|
|
if( 0 == aRegressionOutput ){
|
|
printf("Regression data 1:\n");
|
|
DumpTree(tree1, stdout, 0);
|
|
printf("Regression data 2:\n");
|
|
DumpTree(tree2, stdout, 0);
|
|
}
|
|
rv = NS_ERROR_FAILURE;
|
|
}
|
|
|
|
Node::Destroy(tree1);
|
|
Node::Destroy(tree2);
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameUtil::DumpRegressionData(FILE* aInputFile, FILE* aOutputFile)
|
|
{
|
|
Node* tree1 = Node::ReadTree(aInputFile);
|
|
if (nsnull != tree1) {
|
|
DumpTree(tree1, aOutputFile, 0);
|
|
Node::Destroy(tree1);
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
#endif
|