Added parser service methods to aid external serialization. r=jst

htmlparser/src/nsIParserService.h

@@ -38,5 +38,10 @@ class nsIParserService : public nsISupports {
   
   NS_IMETHOD HTMLConvertEntityToUnicode(const nsString& aEntity, 
                                         PRInt32* aUnicode) const =0;
+
+  NS_IMETHOD HTMLConvertUnicodeToEntity(PRInt32 aUnicode,
+                                        nsCString& aEntity) const =0;
+
+  NS_IMETHOD IsContainer(nsString& aTag, PRBool& aIsContainer) const =0;
 };
 

htmlparser/src/nsParserModule.cpp

@@ -44,6 +44,7 @@
 //#include "nsTextTokenizer.h"
 #include "nsExpatTokenizer.h"
 #include "nsIParserService.h"
+#include "nsElementTable.h"
 
 static NS_DEFINE_IID(kIParserServiceIID, NS_IPARSERSERVICE_IID);
 
@@ -60,6 +61,9 @@ public:
   
   NS_IMETHOD HTMLConvertEntityToUnicode(const nsString& aEntity, 
                                         PRInt32* aUnicode) const;
+  NS_IMETHOD HTMLConvertUnicodeToEntity(PRInt32 aUnicode,
+                                        nsCString& aEntity) const;
+  NS_IMETHOD IsContainer(nsString& aTag, PRBool& aIsContainer) const;
 };
 
 nsParserService::nsParserService()
@@ -95,6 +99,25 @@ nsParserService::HTMLConvertEntityToUnicode(const nsString& aEntity,
   return NS_OK;
 }
 
+NS_IMETHODIMP 
+nsParserService::HTMLConvertUnicodeToEntity(PRInt32 aUnicode,
+                                            nsCString& aEntity) const
+{
+  const nsCString& str = nsHTMLEntities::UnicodeToEntity(aUnicode);
+  if (str.Length() > 0) {
+    aEntity.Assign(str);
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP 
+nsParserService::IsContainer(nsString& aTag, PRBool& aIsContainer) const
+{
+  PRInt32 id = nsHTMLTags::LookupTag(aTag);
+  aIsContainer = nsHTMLElement::IsContainer((eHTMLTags)id);
+  return NS_OK;
+}
+
 //----------------------------------------------------------------------
 
 static NS_DEFINE_CID(kParserCID, NS_PARSER_IID);

parser/htmlparser/src/nsIParserService.h

@@ -38,5 +38,10 @@ class nsIParserService : public nsISupports {
   
   NS_IMETHOD HTMLConvertEntityToUnicode(const nsString& aEntity, 
                                         PRInt32* aUnicode) const =0;
+
+  NS_IMETHOD HTMLConvertUnicodeToEntity(PRInt32 aUnicode,
+                                        nsCString& aEntity) const =0;
+
+  NS_IMETHOD IsContainer(nsString& aTag, PRBool& aIsContainer) const =0;
 };
 

parser/htmlparser/src/nsParserModule.cpp

@@ -44,6 +44,7 @@
 //#include "nsTextTokenizer.h"
 #include "nsExpatTokenizer.h"
 #include "nsIParserService.h"
+#include "nsElementTable.h"
 
 static NS_DEFINE_IID(kIParserServiceIID, NS_IPARSERSERVICE_IID);
 
@@ -60,6 +61,9 @@ public:
   
   NS_IMETHOD HTMLConvertEntityToUnicode(const nsString& aEntity, 
                                         PRInt32* aUnicode) const;
+  NS_IMETHOD HTMLConvertUnicodeToEntity(PRInt32 aUnicode,
+                                        nsCString& aEntity) const;
+  NS_IMETHOD IsContainer(nsString& aTag, PRBool& aIsContainer) const;
 };
 
 nsParserService::nsParserService()
@@ -95,6 +99,25 @@ nsParserService::HTMLConvertEntityToUnicode(const nsString& aEntity,
   return NS_OK;
 }
 
+NS_IMETHODIMP 
+nsParserService::HTMLConvertUnicodeToEntity(PRInt32 aUnicode,
+                                            nsCString& aEntity) const
+{
+  const nsCString& str = nsHTMLEntities::UnicodeToEntity(aUnicode);
+  if (str.Length() > 0) {
+    aEntity.Assign(str);
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP 
+nsParserService::IsContainer(nsString& aTag, PRBool& aIsContainer) const
+{
+  PRInt32 id = nsHTMLTags::LookupTag(aTag);
+  aIsContainer = nsHTMLElement::IsContainer((eHTMLTags)id);
+  return NS_OK;
+}
+
 //----------------------------------------------------------------------
 
 static NS_DEFINE_CID(kParserCID, NS_PARSER_IID);