зеркало из https://github.com/mozilla/gecko-dev.git
638 строки
14 KiB
C++
638 строки
14 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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 Mozilla Communicator client code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape Communications
|
|
* Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
#include "nsIFrameUtil.h"
|
|
#include "nsFrame.h"
|
|
#include "nsHTMLEntities.h"
|
|
#include "nsString.h"
|
|
#include "nsRect.h"
|
|
#include <stdlib.h>
|
|
#include "plstr.h"
|
|
|
|
static NS_DEFINE_IID(kIFrameUtilIID, NS_IFRAME_UTIL_IID);
|
|
|
|
#ifdef NS_DEBUG
|
|
class nsFrameUtil : public nsIFrameUtil {
|
|
public:
|
|
nsFrameUtil();
|
|
virtual ~nsFrameUtil();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_IMETHOD CompareRegressionData(FILE* aFile1, FILE* aFile2);
|
|
NS_IMETHOD DumpRegressionData(FILE* aInputFile, FILE* aOutputFile);
|
|
|
|
struct Node;
|
|
struct Tag;
|
|
|
|
struct NodeList {
|
|
NodeList();
|
|
~NodeList();
|
|
|
|
static void Destroy(NodeList* aLists);
|
|
|
|
NodeList* next; // for lists of lists
|
|
Node* node;
|
|
char* name;
|
|
};
|
|
|
|
struct Node {
|
|
Node();
|
|
~Node();
|
|
|
|
static void Destroy(Node* aNode);
|
|
|
|
static Node* Read(FILE* aFile, Tag* aTag);
|
|
|
|
static Node* ReadTree(FILE* aFile);
|
|
|
|
Node* next;
|
|
char* type;
|
|
PRUint32 state;
|
|
nsRect bbox;
|
|
NodeList* lists;
|
|
};
|
|
|
|
struct Tag {
|
|
Tag();
|
|
~Tag();
|
|
|
|
static Tag* Parse(FILE* aFile);
|
|
|
|
void AddAttr(char* aAttr, char* aValue);
|
|
|
|
char* GetAttr(char* aAttr);
|
|
|
|
void ReadAttrs(FILE* aFile);
|
|
|
|
void ToString(nsString& aResult);
|
|
|
|
enum Type {
|
|
open,
|
|
close,
|
|
openClose
|
|
};
|
|
|
|
char* name;
|
|
Type type;
|
|
char** attributes;
|
|
PRInt32 num;
|
|
PRInt32 size;
|
|
char** values;
|
|
};
|
|
|
|
static char* Copy(char* aString);
|
|
|
|
static void DumpNode(Node* aNode, FILE* aOutputFile, PRInt32 aIndent);
|
|
static void DumpTree(Node* aNode, FILE* aOutputFile, PRInt32 aIndent);
|
|
static PRBool CompareTrees(Node* aNode1, Node* aNode2);
|
|
};
|
|
|
|
char*
|
|
nsFrameUtil::Copy(char* aString)
|
|
{
|
|
if (aString) {
|
|
int l = ::strlen(aString);
|
|
char* c = new char[l+1];
|
|
memcpy(c, aString, l+1);
|
|
return c;
|
|
}
|
|
return aString;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
nsFrameUtil::NodeList::NodeList()
|
|
: next(nsnull), node(nsnull), name(nsnull)
|
|
{
|
|
}
|
|
|
|
nsFrameUtil::NodeList::~NodeList()
|
|
{
|
|
if (nsnull != name) {
|
|
delete name;
|
|
}
|
|
if (nsnull != node) {
|
|
Node::Destroy(node);
|
|
}
|
|
}
|
|
|
|
void
|
|
nsFrameUtil::NodeList::Destroy(NodeList* aLists)
|
|
{
|
|
while (nsnull != aLists) {
|
|
NodeList* next = aLists->next;
|
|
delete aLists;
|
|
aLists = next;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
nsFrameUtil::Node::Node()
|
|
: next(nsnull), type(nsnull), state(0), lists(nsnull)
|
|
{
|
|
}
|
|
|
|
nsFrameUtil::Node::~Node()
|
|
{
|
|
if (nsnull != type) {
|
|
delete type;
|
|
}
|
|
if (nsnull != lists) {
|
|
NodeList::Destroy(lists);
|
|
}
|
|
}
|
|
|
|
void
|
|
nsFrameUtil::Node::Destroy(Node* aList)
|
|
{
|
|
while (nsnull != aList) {
|
|
Node* next = aList->next;
|
|
delete aList;
|
|
aList = next;
|
|
}
|
|
}
|
|
|
|
static PRInt32 GetInt(nsFrameUtil::Tag* aTag, char* aAttr)
|
|
{
|
|
char* value = aTag->GetAttr(aAttr);
|
|
if (nsnull != value) {
|
|
return PRInt32( atoi(value) );
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
nsFrameUtil::Node*
|
|
nsFrameUtil::Node::ReadTree(FILE* aFile)
|
|
{
|
|
Tag* tag = Tag::Parse(aFile);
|
|
if (nsnull == tag) {
|
|
return nsnull;
|
|
}
|
|
if (PL_strcmp(tag->name, "frame") != 0) {
|
|
delete tag;
|
|
return nsnull;
|
|
}
|
|
Node* result = Read(aFile, tag);
|
|
fclose(aFile);
|
|
return result;
|
|
}
|
|
|
|
nsFrameUtil::Node*
|
|
nsFrameUtil::Node::Read(FILE* aFile, Tag* tag)
|
|
{
|
|
Node* node = new Node;
|
|
node->type = Copy(tag->GetAttr("type"));
|
|
node->state = GetInt(tag, "state");
|
|
delete tag;
|
|
|
|
for (;;) {
|
|
tag = Tag::Parse(aFile);
|
|
if (nsnull == tag) break;
|
|
if (PL_strcmp(tag->name, "frame") == 0) {
|
|
delete tag;
|
|
break;
|
|
}
|
|
if (PL_strcmp(tag->name, "bbox") == 0) {
|
|
nscoord x = nscoord( GetInt(tag, "x") );
|
|
nscoord y = nscoord( GetInt(tag, "y") );
|
|
nscoord w = nscoord( GetInt(tag, "w") );
|
|
nscoord h = nscoord( GetInt(tag, "h") );
|
|
node->bbox.SetRect(x, y, w, h);
|
|
}
|
|
else if (PL_strcmp(tag->name, "child-list") == 0) {
|
|
NodeList* list = new NodeList();
|
|
list->name = Copy(tag->GetAttr("name"));
|
|
list->next = node->lists;
|
|
node->lists = list;
|
|
delete tag;
|
|
|
|
Node** tailp = &list->node;
|
|
for (;;) {
|
|
tag = Tag::Parse(aFile);
|
|
if (nsnull == tag) {
|
|
break;
|
|
}
|
|
if (PL_strcmp(tag->name, "child-list") == 0) {
|
|
break;
|
|
}
|
|
if (PL_strcmp(tag->name, "frame") != 0) {
|
|
break;
|
|
}
|
|
Node* child = Node::Read(aFile, tag);
|
|
if (nsnull == child) {
|
|
break;
|
|
}
|
|
*tailp = child;
|
|
tailp = &child->next;
|
|
}
|
|
}
|
|
delete tag;
|
|
}
|
|
return node;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
nsFrameUtil::Tag::Tag()
|
|
: name(nsnull), type(open), attributes(nsnull), num(0), size(0),
|
|
values(nsnull)
|
|
{
|
|
}
|
|
|
|
nsFrameUtil::Tag::~Tag()
|
|
{
|
|
PRInt32 i, n = num;
|
|
if (0 != n) {
|
|
for (i = 0; i < n; i++) {
|
|
delete attributes[i];
|
|
delete values[i];
|
|
}
|
|
delete attributes;
|
|
delete values;
|
|
}
|
|
}
|
|
|
|
void
|
|
nsFrameUtil::Tag::AddAttr(char* aAttr, char* aValue)
|
|
{
|
|
if (num == size) {
|
|
PRInt32 newSize = size * 2 + 4;
|
|
char** a = new char*[newSize];
|
|
char** v = new char*[newSize];
|
|
if (0 != num) {
|
|
memcpy(a, attributes, num * sizeof(char*));
|
|
memcpy(v, values, num * sizeof(char*));
|
|
delete attributes;
|
|
delete values;
|
|
}
|
|
attributes = a;
|
|
values = v;
|
|
size = newSize;
|
|
}
|
|
attributes[num] = aAttr;
|
|
values[num] = aValue;
|
|
num = num + 1;
|
|
}
|
|
|
|
char*
|
|
nsFrameUtil::Tag::GetAttr(char* aAttr)
|
|
{
|
|
PRInt32 i, n = num;
|
|
for (i = 0; i < n; i++) {
|
|
if (PL_strcmp(attributes[i], aAttr) == 0) {
|
|
return values[i];
|
|
}
|
|
}
|
|
return nsnull;
|
|
}
|
|
|
|
static inline int IsWhiteSpace(int c) {
|
|
return (c == ' ') || (c == '\t') || (c == '\n') || (c == '\r');
|
|
}
|
|
|
|
static PRBool EatWS(FILE* aFile)
|
|
{
|
|
for (;;) {
|
|
int c = getc(aFile);
|
|
if (c < 0) {
|
|
return PR_FALSE;
|
|
}
|
|
if (!IsWhiteSpace(c)) {
|
|
ungetc(c, aFile);
|
|
break;
|
|
}
|
|
}
|
|
return PR_TRUE;
|
|
}
|
|
|
|
static PRBool Expect(FILE* aFile, char aChar)
|
|
{
|
|
int c = getc(aFile);
|
|
if (c < 0) return PR_FALSE;
|
|
if (c != aChar) {
|
|
ungetc(c, aFile);
|
|
return PR_FALSE;
|
|
}
|
|
return PR_TRUE;
|
|
}
|
|
|
|
static char* ReadIdent(FILE* aFile)
|
|
{
|
|
char id[1000];
|
|
char* ip = id;
|
|
char* end = ip + sizeof(id) - 1;
|
|
while (ip < end) {
|
|
int c = fgetc(aFile);
|
|
if (c < 0) return nsnull;
|
|
if ((c == '=') || (c == '>') || (c == '/') || IsWhiteSpace(c)) {
|
|
ungetc(c, aFile);
|
|
break;
|
|
}
|
|
*ip++ = char(c);
|
|
}
|
|
*ip = '\0';
|
|
return nsFrameUtil::Copy(id);
|
|
}
|
|
|
|
static char* ReadString(FILE* aFile)
|
|
{
|
|
if (!Expect(aFile, '\"')) {
|
|
return nsnull;
|
|
}
|
|
char id[1000];
|
|
char* ip = id;
|
|
char* end = ip + sizeof(id) - 1;
|
|
while (ip < end) {
|
|
int c = fgetc(aFile);
|
|
if (c < 0) return nsnull;
|
|
if (c == '\"') {
|
|
break;
|
|
}
|
|
*ip++ = char(c);
|
|
}
|
|
*ip = '\0';
|
|
return nsFrameUtil::Copy(id);
|
|
}
|
|
|
|
void
|
|
nsFrameUtil::Tag::ReadAttrs(FILE* aFile)
|
|
{
|
|
for (;;) {
|
|
if (!EatWS(aFile)) {
|
|
break;
|
|
}
|
|
int c = getc(aFile);
|
|
if (c < 0) break;
|
|
if (c == '/') {
|
|
if (!EatWS(aFile)) {
|
|
return;
|
|
}
|
|
if (Expect(aFile, '>')) {
|
|
type = openClose;
|
|
break;
|
|
}
|
|
}
|
|
else if (c == '>') {
|
|
break;
|
|
}
|
|
ungetc(c, aFile);
|
|
char* attr = ReadIdent(aFile);
|
|
if ((nsnull == attr) || !EatWS(aFile)) {
|
|
break;
|
|
}
|
|
char* value = nsnull;
|
|
if (Expect(aFile, '=')) {
|
|
value = ReadString(aFile);
|
|
if (nsnull == value) {
|
|
break;
|
|
}
|
|
}
|
|
AddAttr(attr, value);
|
|
}
|
|
}
|
|
|
|
nsFrameUtil::Tag*
|
|
nsFrameUtil::Tag::Parse(FILE* aFile)
|
|
{
|
|
if (!EatWS(aFile)) {
|
|
return nsnull;
|
|
}
|
|
if (Expect(aFile, '<')) {
|
|
Tag* tag = new Tag;
|
|
if (Expect(aFile, '/')) {
|
|
tag->type = close;
|
|
}
|
|
else {
|
|
tag->type = open;
|
|
}
|
|
tag->name = ReadIdent(aFile);
|
|
tag->ReadAttrs(aFile);
|
|
return tag;
|
|
}
|
|
return nsnull;
|
|
}
|
|
|
|
void
|
|
nsFrameUtil::Tag::ToString(nsString& aResult)
|
|
{
|
|
aResult.Truncate();
|
|
aResult.Append(PRUnichar('<'));
|
|
if (type == close) {
|
|
aResult.Append(PRUnichar('/'));
|
|
}
|
|
aResult.Append(name);
|
|
if (0 != num) {
|
|
PRInt32 i, n = num;
|
|
for (i = 0; i < n; i++) {
|
|
aResult.Append(PRUnichar(' '));
|
|
aResult.Append(attributes[i]);
|
|
if (values[i]) {
|
|
aResult.Append("=\"");
|
|
aResult.Append(values[i]);
|
|
aResult.Append('\"');
|
|
}
|
|
}
|
|
}
|
|
if (type == openClose) {
|
|
aResult.Append(PRUnichar('/'));
|
|
}
|
|
aResult.Append(PRUnichar('>'));
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
nsresult NS_NewFrameUtil(nsIFrameUtil** aResult);
|
|
nsresult
|
|
NS_NewFrameUtil(nsIFrameUtil** aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null pointer");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
*aResult = nsnull;
|
|
|
|
nsFrameUtil* it = new nsFrameUtil();
|
|
if (nsnull == it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
return it->QueryInterface(kIFrameUtilIID, (void**) aResult);
|
|
}
|
|
|
|
nsFrameUtil::nsFrameUtil()
|
|
{
|
|
NS_INIT_REFCNT();
|
|
}
|
|
|
|
nsFrameUtil::~nsFrameUtil()
|
|
{
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS(nsFrameUtil, kIFrameUtilIID);
|
|
|
|
void
|
|
nsFrameUtil::DumpNode(Node* aNode, FILE* aOutputFile, PRInt32 aIndent)
|
|
{
|
|
nsFrame::IndentBy(aOutputFile, aIndent);
|
|
fprintf(aOutputFile, "%s 0x%x %d,%d,%d,%d\n", aNode->type, aNode->state,
|
|
aNode->bbox.x, aNode->bbox.y,
|
|
aNode->bbox.width, aNode->bbox.height);
|
|
}
|
|
|
|
void
|
|
nsFrameUtil::DumpTree(Node* aNode, FILE* aOutputFile, PRInt32 aIndent)
|
|
{
|
|
while (nsnull != aNode) {
|
|
DumpNode(aNode, aOutputFile, aIndent);
|
|
nsFrameUtil::NodeList* lists = aNode->lists;
|
|
if (nsnull != lists) {
|
|
while (nsnull != lists) {
|
|
nsFrame::IndentBy(aOutputFile, aIndent);
|
|
fprintf(aOutputFile, " list: %s\n",
|
|
lists->name ? lists->name : "primary");
|
|
DumpTree(lists->node, aOutputFile, aIndent + 1);
|
|
lists = lists->next;
|
|
}
|
|
}
|
|
aNode = aNode->next;
|
|
}
|
|
}
|
|
|
|
PRBool
|
|
nsFrameUtil::CompareTrees(Node* tree1, Node* tree2)
|
|
{
|
|
for (;;) {
|
|
// Make sure both nodes are non-null, or at least agree with each other
|
|
if (nsnull == tree1) {
|
|
if (nsnull == tree2) {
|
|
break;
|
|
}
|
|
printf("first tree prematurely ends\n");
|
|
return PR_FALSE;
|
|
}
|
|
else if (nsnull == tree2) {
|
|
printf("second tree prematurely ends\n");
|
|
return PR_FALSE;
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
if (tree1->state != tree2->state) {
|
|
printf("frame state mismatch: 0x%x vs. 0x%x\n",
|
|
tree1->state, tree2->state);
|
|
}
|
|
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);
|
|
}
|
|
|
|
// 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)");
|
|
}
|
|
else {
|
|
PRBool equiv = CompareTrees(list1->node, list2->node);
|
|
if (!equiv) {
|
|
return equiv;
|
|
}
|
|
}
|
|
list1 = list1->next;
|
|
list2 = list2->next;
|
|
}
|
|
|
|
// Check siblings next
|
|
tree1 = tree1->next;
|
|
tree2 = tree2->next;
|
|
}
|
|
return PR_TRUE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameUtil::CompareRegressionData(FILE* aFile1, FILE* aFile2)
|
|
{
|
|
Node* tree1 = Node::ReadTree(aFile1);
|
|
Node* tree2 = Node::ReadTree(aFile2);
|
|
|
|
nsresult rv = NS_OK;
|
|
if (!CompareTrees(tree1, tree2)) {
|
|
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
|