Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2024-11-25 22:01:30 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

reset pushback buffer when creating a new scanner

Browse Source 
factored scanner creation code
This commit is contained in:
peterl%netscape.com 1999-09-22 01:19:29 +00:00
parent dfcf0208d4
commit 341ec82a84
3 changed files with 144 additions and 102 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

82
content/html/style/src/nsCSSParser.cpp
View File

@ -144,6 +144,9 @@ public:
PRInt32* aHint);
protected:
nsresult InitScanner(nsIUnicharInputStream* aInput, nsIURI* aURI);
nsresult ReleaseScanner(void);
PRBool GetToken(PRInt32& aErrorCode, PRBool aSkipWS);
PRBool GetURLToken(PRInt32& aErrorCode, PRBool aSkipWS);
void UngetToken();
@ -378,6 +381,36 @@ CSSParserImpl::SetChildLoader(nsICSSLoader* aChildLoader)
return NS_OK;
}
nsresult
CSSParserImpl::InitScanner(nsIUnicharInputStream* aInput, nsIURI* aURI)
{
NS_ASSERTION(! mScanner, "already have scanner");
mScanner = new nsCSSScanner();
if (! mScanner) {
return NS_ERROR_OUT_OF_MEMORY;
}
mScanner->Init(aInput);
NS_IF_RELEASE(mURL);
mURL = aURI;
NS_IF_ADDREF(mURL);
mHavePushBack = PR_FALSE;
return NS_OK;
}
nsresult
CSSParserImpl::ReleaseScanner(void)
{
if (mScanner) {
delete mScanner;
mScanner = nsnull;
}
NS_IF_RELEASE(mURL);
return NS_OK;
}
NS_IMETHODIMP
CSSParserImpl::Parse(nsIUnicharInputStream* aInput,
@ -395,13 +428,11 @@ CSSParserImpl::Parse(nsIUnicharInputStream* aInput,
}
PRInt32 errorCode = NS_OK;
mScanner = new nsCSSScanner();
if (nsnull == mScanner) {
return NS_ERROR_OUT_OF_MEMORY;
nsresult result = InitScanner(aInput, aInputURL);
if (! NS_SUCCEEDED(result)) {
return result;
}
mScanner->Init(aInput);
mURL = aInputURL;
NS_IF_ADDREF(aInputURL);
PRInt32 ruleCount = 0;
mSheet->StyleRuleCount(ruleCount);
@ -448,9 +479,7 @@ CSSParserImpl::Parse(nsIUnicharInputStream* aInput,
mSection = eCSSSection_General;
}
}
delete mScanner;
mScanner = nsnull;
NS_IF_RELEASE(mURL);
ReleaseScanner();
aResult = mSheet;
NS_ADDREF(aResult);
@ -476,16 +505,11 @@ CSSParserImpl::ParseDeclarations(const nsString& aDeclaration,
return rv;
}
mScanner = new nsCSSScanner();
if (nsnull == mScanner) {
NS_RELEASE(input);
return NS_ERROR_OUT_OF_MEMORY;
}
mScanner->Init(input);
rv = InitScanner(input, aBaseURL);
NS_RELEASE(input);
mURL = aBaseURL;
NS_IF_ADDREF(mURL);
if (! NS_SUCCEEDED(rv)) {
return rv;
}
mSection = eCSSSection_General;
PRInt32 errorCode = NS_OK;
@ -503,9 +527,7 @@ CSSParserImpl::ParseDeclarations(const nsString& aDeclaration,
aResult = nsnull;
}
delete mScanner;
mScanner = nsnull;
NS_IF_RELEASE(mURL);
ReleaseScanner();
return NS_OK;
}
@ -529,16 +551,11 @@ CSSParserImpl::ParseAndAppendDeclaration(const nsString& aBuffer,
return rv;
}
mScanner = new nsCSSScanner();
if (nsnull == mScanner) {
NS_RELEASE(input);
return NS_ERROR_OUT_OF_MEMORY;
}
mScanner->Init(input);
rv = InitScanner(input, aBaseURL);
NS_RELEASE(input);
mURL = aBaseURL;
NS_IF_ADDREF(mURL);
if (! NS_SUCCEEDED(rv)) {
return rv;
}
mSection = eCSSSection_General;
PRInt32 errorCode = NS_OK;
@ -552,10 +569,7 @@ CSSParserImpl::ParseAndAppendDeclaration(const nsString& aBuffer,
*aHint = hint;
}
delete mScanner;
mScanner = nsnull;
NS_IF_RELEASE(mURL);
ReleaseScanner();
return NS_OK;
}

82
layout/html/style/src/nsCSSParser.cpp
View File

@ -144,6 +144,9 @@ public:
PRInt32* aHint);
protected:
nsresult InitScanner(nsIUnicharInputStream* aInput, nsIURI* aURI);
nsresult ReleaseScanner(void);
PRBool GetToken(PRInt32& aErrorCode, PRBool aSkipWS);
PRBool GetURLToken(PRInt32& aErrorCode, PRBool aSkipWS);
void UngetToken();
@ -378,6 +381,36 @@ CSSParserImpl::SetChildLoader(nsICSSLoader* aChildLoader)
return NS_OK;
}
nsresult
CSSParserImpl::InitScanner(nsIUnicharInputStream* aInput, nsIURI* aURI)
{
NS_ASSERTION(! mScanner, "already have scanner");
mScanner = new nsCSSScanner();
if (! mScanner) {
return NS_ERROR_OUT_OF_MEMORY;
}
mScanner->Init(aInput);
NS_IF_RELEASE(mURL);
mURL = aURI;
NS_IF_ADDREF(mURL);
mHavePushBack = PR_FALSE;
return NS_OK;
}
nsresult
CSSParserImpl::ReleaseScanner(void)
{
if (mScanner) {
delete mScanner;
mScanner = nsnull;
}
NS_IF_RELEASE(mURL);
return NS_OK;
}
NS_IMETHODIMP
CSSParserImpl::Parse(nsIUnicharInputStream* aInput,
@ -395,13 +428,11 @@ CSSParserImpl::Parse(nsIUnicharInputStream* aInput,
}
PRInt32 errorCode = NS_OK;
mScanner = new nsCSSScanner();
if (nsnull == mScanner) {
return NS_ERROR_OUT_OF_MEMORY;
nsresult result = InitScanner(aInput, aInputURL);
if (! NS_SUCCEEDED(result)) {
return result;
}
mScanner->Init(aInput);
mURL = aInputURL;
NS_IF_ADDREF(aInputURL);
PRInt32 ruleCount = 0;
mSheet->StyleRuleCount(ruleCount);
@ -448,9 +479,7 @@ CSSParserImpl::Parse(nsIUnicharInputStream* aInput,
mSection = eCSSSection_General;
}
}
delete mScanner;
mScanner = nsnull;
NS_IF_RELEASE(mURL);
ReleaseScanner();
aResult = mSheet;
NS_ADDREF(aResult);
@ -476,16 +505,11 @@ CSSParserImpl::ParseDeclarations(const nsString& aDeclaration,
return rv;
}
mScanner = new nsCSSScanner();
if (nsnull == mScanner) {
NS_RELEASE(input);
return NS_ERROR_OUT_OF_MEMORY;
}
mScanner->Init(input);
rv = InitScanner(input, aBaseURL);
NS_RELEASE(input);
mURL = aBaseURL;
NS_IF_ADDREF(mURL);
if (! NS_SUCCEEDED(rv)) {
return rv;
}
mSection = eCSSSection_General;
PRInt32 errorCode = NS_OK;
@ -503,9 +527,7 @@ CSSParserImpl::ParseDeclarations(const nsString& aDeclaration,
aResult = nsnull;
}
delete mScanner;
mScanner = nsnull;
NS_IF_RELEASE(mURL);
ReleaseScanner();
return NS_OK;
}
@ -529,16 +551,11 @@ CSSParserImpl::ParseAndAppendDeclaration(const nsString& aBuffer,
return rv;
}
mScanner = new nsCSSScanner();
if (nsnull == mScanner) {
NS_RELEASE(input);
return NS_ERROR_OUT_OF_MEMORY;
}
mScanner->Init(input);
rv = InitScanner(input, aBaseURL);
NS_RELEASE(input);
mURL = aBaseURL;
NS_IF_ADDREF(mURL);
if (! NS_SUCCEEDED(rv)) {
return rv;
}
mSection = eCSSSection_General;
PRInt32 errorCode = NS_OK;
@ -552,10 +569,7 @@ CSSParserImpl::ParseAndAppendDeclaration(const nsString& aBuffer,
*aHint = hint;
}
delete mScanner;
mScanner = nsnull;
NS_IF_RELEASE(mURL);
ReleaseScanner();
return NS_OK;
}

82
layout/style/nsCSSParser.cpp
View File

@ -144,6 +144,9 @@ public:
PRInt32* aHint);
protected:
nsresult InitScanner(nsIUnicharInputStream* aInput, nsIURI* aURI);
nsresult ReleaseScanner(void);
PRBool GetToken(PRInt32& aErrorCode, PRBool aSkipWS);
PRBool GetURLToken(PRInt32& aErrorCode, PRBool aSkipWS);
void UngetToken();
@ -378,6 +381,36 @@ CSSParserImpl::SetChildLoader(nsICSSLoader* aChildLoader)
return NS_OK;
}
nsresult
CSSParserImpl::InitScanner(nsIUnicharInputStream* aInput, nsIURI* aURI)
{
NS_ASSERTION(! mScanner, "already have scanner");
mScanner = new nsCSSScanner();
if (! mScanner) {
return NS_ERROR_OUT_OF_MEMORY;
}
mScanner->Init(aInput);
NS_IF_RELEASE(mURL);
mURL = aURI;
NS_IF_ADDREF(mURL);
mHavePushBack = PR_FALSE;
return NS_OK;
}
nsresult
CSSParserImpl::ReleaseScanner(void)
{
if (mScanner) {
delete mScanner;
mScanner = nsnull;
}
NS_IF_RELEASE(mURL);
return NS_OK;
}
NS_IMETHODIMP
CSSParserImpl::Parse(nsIUnicharInputStream* aInput,
@ -395,13 +428,11 @@ CSSParserImpl::Parse(nsIUnicharInputStream* aInput,
}
PRInt32 errorCode = NS_OK;
mScanner = new nsCSSScanner();
if (nsnull == mScanner) {
return NS_ERROR_OUT_OF_MEMORY;
nsresult result = InitScanner(aInput, aInputURL);
if (! NS_SUCCEEDED(result)) {
return result;
}
mScanner->Init(aInput);
mURL = aInputURL;
NS_IF_ADDREF(aInputURL);
PRInt32 ruleCount = 0;
mSheet->StyleRuleCount(ruleCount);
@ -448,9 +479,7 @@ CSSParserImpl::Parse(nsIUnicharInputStream* aInput,
mSection = eCSSSection_General;
}
}
delete mScanner;
mScanner = nsnull;
NS_IF_RELEASE(mURL);
ReleaseScanner();
aResult = mSheet;
NS_ADDREF(aResult);
@ -476,16 +505,11 @@ CSSParserImpl::ParseDeclarations(const nsString& aDeclaration,
return rv;
}
mScanner = new nsCSSScanner();
if (nsnull == mScanner) {
NS_RELEASE(input);
return NS_ERROR_OUT_OF_MEMORY;
}
mScanner->Init(input);
rv = InitScanner(input, aBaseURL);
NS_RELEASE(input);
mURL = aBaseURL;
NS_IF_ADDREF(mURL);
if (! NS_SUCCEEDED(rv)) {
return rv;
}
mSection = eCSSSection_General;
PRInt32 errorCode = NS_OK;
@ -503,9 +527,7 @@ CSSParserImpl::ParseDeclarations(const nsString& aDeclaration,
aResult = nsnull;
}
delete mScanner;
mScanner = nsnull;
NS_IF_RELEASE(mURL);
ReleaseScanner();
return NS_OK;
}
@ -529,16 +551,11 @@ CSSParserImpl::ParseAndAppendDeclaration(const nsString& aBuffer,
return rv;
}
mScanner = new nsCSSScanner();
if (nsnull == mScanner) {
NS_RELEASE(input);
return NS_ERROR_OUT_OF_MEMORY;
}
mScanner->Init(input);
rv = InitScanner(input, aBaseURL);
NS_RELEASE(input);
mURL = aBaseURL;
NS_IF_ADDREF(mURL);
if (! NS_SUCCEEDED(rv)) {
return rv;
}
mSection = eCSSSection_General;
PRInt32 errorCode = NS_OK;
@ -552,10 +569,7 @@ CSSParserImpl::ParseAndAppendDeclaration(const nsString& aBuffer,
*aHint = hint;
}
delete mScanner;
mScanner = nsnull;
NS_IF_RELEASE(mURL);
ReleaseScanner();
return NS_OK;
}