Hopefully made some sense out of namespaces
Project: http://git-wip-us.apache.org/repos/asf/flex-asjs/repo Commit: http://git-wip-us.apache.org/repos/asf/flex-asjs/commit/f6aee89e Tree: http://git-wip-us.apache.org/repos/asf/flex-asjs/tree/f6aee89e Diff: http://git-wip-us.apache.org/repos/asf/flex-asjs/diff/f6aee89e Branch: refs/heads/develop Commit: f6aee89e0aa0fabd1a8ca4a2ec91933849494782 Parents: eb91e10 Author: Harbs <[email protected]> Authored: Sun Feb 7 13:28:26 2016 +0200 Committer: Harbs <[email protected]> Committed: Sun Feb 7 13:28:26 2016 +0200 ---------------------------------------------------------------------- frameworks/projects/XML/as/src/QName.as | 31 ++++++++ frameworks/projects/XML/as/src/XML.as | 111 +++++++++++++++++++++++++-- 2 files changed, 137 insertions(+), 5 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/flex-asjs/blob/f6aee89e/frameworks/projects/XML/as/src/QName.as ---------------------------------------------------------------------- diff --git a/frameworks/projects/XML/as/src/QName.as b/frameworks/projects/XML/as/src/QName.as index 2ceb487..5232bbe 100644 --- a/frameworks/projects/XML/as/src/QName.as +++ b/frameworks/projects/XML/as/src/QName.as @@ -125,6 +125,37 @@ package _isAttribute = value; } + public function getNamespace(namespaces:Array=null):Namespace + { + /* + When the [[GetNamespace]] method of a QName q is called with no arguments or one argument InScopeNamespaces, the following steps are taken: + 1. If q.uri is null, throw a TypeError exception NOTE the exception above should never occur due to the way [[GetNamespace]] is called in this specification + 2. If InScopeNamespaces was not specified, let InScopeNamespaces = { } + 3. Find a Namespace ns in InScopeNamespaces, such that ns.uri == q.uri. If more than one such Namespace ns exists, the implementation may choose one of the matching Namespaces arbitrarily. NOTE implementations that preserve prefixes in qualified names may additionally constrain ns, such that ns.prefix == q.[[Prefix]] + 4. If no such namespace ns exists + a. Let ns be a new namespace created as if by calling the constructor new Namespace(q.uri) NOTE implementations that preserve prefixes and qualified names may create the new namespaces as if by calling the constructor Namespace(q.[[Prefix]], q.uri) + 5. Return ns + */ + var i:int; + var possibleMatch:Namespace; + if(!namespaces) + namespaces = []; + for(i=0;i<namespaces.length;i++) + { + if(namespaces[i].uri == _uri) + { + possibleMatch = namespaces[i]; + if(namespaces[i].prefix == _prefix) + return namespaces[i]; + } + } + if(possibleMatch) + return possibleMatch; + if(!_prefix) + return new Namespace(_uri); + return new Namespace(_prefix,_uri); + } + } } } http://git-wip-us.apache.org/repos/asf/flex-asjs/blob/f6aee89e/frameworks/projects/XML/as/src/XML.as ---------------------------------------------------------------------- diff --git a/frameworks/projects/XML/as/src/XML.as b/frameworks/projects/XML/as/src/XML.as index 7736133..e14f8f0 100644 --- a/frameworks/projects/XML/as/src/XML.as +++ b/frameworks/projects/XML/as/src/XML.as @@ -911,7 +911,7 @@ package */ public function inScopeNamespaces():Array { - return null; + return _namespaces.slice(); } /** @@ -986,7 +986,39 @@ package */ public function namespace(prefix:String = null):* { - return null; + /* + When the namespace method is called on an XML object x with zero arguments or one argument prefix, the following steps are taken: + 1. Let y = x + 2. Let inScopeNS = { } + 3. While (y is not null) + a. For each ns in y.[[InScopeNamespaces]] + i. If there exists no n â inScopeNS, such that n.prefix == ns.prefix + 1. Let inScopeNS = inScopeNS ⪠{ ns } + b. Let y = y.[[Parent]] + 4. If prefix was not specified + a. If x.[[Class]] â {"text", "comment", "processing-instruction"}, return null + b. Return the result of calling the [[GetNamespace]] method of x.[[Name]] with argument inScopeNS + 5. Else + a. Let prefix = ToString(prefix) + b. Find a Namespace ns â inScopeNS, such that ns.prefix = prefix. If no such ns exists, let ns = undefined. + c. Return ns + */ + var i:int; + if(prefix) + { + for(i=0;i<_namespaces.length;i++) + { + if(_namespaces[i].prefix == prefix) + return _namespaces[i]; + } + if(_parent) + return _parent.namespace(prefix); + return undefined; + } + //no prefix. get the namespace of our object + if(_nodeKind == "text" || _nodeKind == "comment" || _nodeKind == "processing-instruction") + return null; + return name().getNamespace(namespaceDeclarations()); } /** @@ -997,7 +1029,54 @@ package */ public function namespaceDeclarations():Array { - return null; + /* + When the namespaceDeclarations method is called on an XML object x, the following steps are taken: + 1. Let a be a new Array created as if by calling the constructor, new Array() + 2. If x.[[Class]] â {"text", "comment", "processing-instruction", "attribute"}, return a + 3. Let y = x.[[Parent]] + 4. Let ancestorNS = { } + 5. While (y is not null) + a. For each ns in y.[[InScopeNamespaces]] + i. If there exists no n â ancestorNS, such that n.prefix == ns.prefix + 1. Let ancestorNS = ancestorNS ⪠{ ns } + b. Let y = y.[[Parent]] + 6. Let declaredNS = { } + 7. For each ns in x.[[InScopeNamespaces]] + a. If there exists no n â ancestorNS, such that n.prefix == ns.prefix and n.uri == ns.uri + i. Let declaredNS = declaredNS ⪠{ ns } + 8. Let i = 0 + 9. For each ns in declaredNS + a. Call the [[Put]] method of a with arguments ToString(i) and ns + b. Let i = i + 1 + 10. Return a + */ + var retVal:Array = []; + if(_nodeKind == "text" || _nodeKind == "comment" || _nodeKind == "processing-instruction" || _nodeKind == "attribute") + return retVal; + var declaredNS:Array = _namespaces.slice(); + var parent:XML = _parent; + while(parent) + { + var parentNS:Array = parent.inScopeNamespaces(); + var idx:int; + var pIdx:int; + for(pIdx=0;i<parentNS.length;pIdx++) + { + var uri:String = parentNS[pIdx].uri; + var prefix:String = parentNS[pIdx].prefix; + for(idx=0;i<declaredNS.length;idx++) + { + if(declaredNS[idx].uri == uri && declaredNS[idx].prefix == prefix) + { + declaredNS.push(parentNS[pIdx]); + break; + } + } + } + parent = parent.parent(); + } + + return declaredNS; } private var _nodeKind:String = "element"; @@ -1053,7 +1132,7 @@ package */ public function parent():* { - return null; + return _parent; } /** @@ -1207,8 +1286,30 @@ package * @return * */ - public function removeNamespace(ns:Namespace):XML + public function removeNamespace(ns:*):XML { + /* + When the removeNamespace method is called on an XML object x with parameter namespace, the following steps are taken: + 1. If x.[[Class]] â {"text", "comment", "processing-instruction", "attribute"}, return x + 2. Let ns be a Namespace object created as if by calling the function Namespace( namespace ) + 3. Let thisNS be the result of calling [[GetNamespace]] on x.[[Name]] with argument x.[[InScopeNamespaces]] + 4. If (thisNS == ns), return x + 5. For each a in x.[[Attributes]] + a. Let aNS be the result of calling [[GetNamespace]] on a.[[Name]] with argument x.[[InScopeNamespaces]] + b. If (aNS == ns), return x + 6. If ns.prefix == undefined + a. If there exists a namespace n â x.[[InScopeNamespaces]], such that n.uri == ns.uri, remove the namespace n from x.[[InScopeNamespaces]] + 7. Else + a. If there exists a namespace n â x.[[InScopeNamespaces]], such that n.uri == ns.uri and n.prefix == ns.prefix, remove the namespace n from x.[[InScopeNamespaces]] + 8. For each property p of x + a. If p.[[Class]] = "element", call the removeNamespace method of p with argument ns + 9. Return x + */ + if(_nodeKind == "text" || _nodeKind == "comment" || _nodeKind == "processing-instruction" || _nodeKind == "attribute") + return this; + if(!(ns is Namespace)) + ns = new Namespace(ns); + return null; }
