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comparison: content/base/public/nsXMLNameSpaceMap.h
content/base/public/nsXMLNameSpaceMap.h
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nsXMLNameSpaceMap_h_ | |
| 7 #define nsXMLNameSpaceMap_h_ | |
| 8 | |
| 9 #include "nsString.h" | |
| 10 #include "nsTArray.h" | |
| 11 #include "nsCOMPtr.h" | |
| 12 #include "nsIAtom.h" | |
| 13 | |
| 14 struct nsNameSpaceEntry | |
| 15 { | |
| 16 nsNameSpaceEntry(nsIAtom *aPrefix) | |
| 17 : prefix(aPrefix) {} | |
| 18 | |
| 19 nsCOMPtr<nsIAtom> prefix; | |
| 20 int32_t nameSpaceID; | |
| 21 }; | |
| 22 | |
| 23 /** | |
| 24 * nsXMLNameSpaceMap contains a set of prefixes which are mapped onto | |
| 25 * namespaces. It allows the set to be searched by prefix or by namespace ID. | |
| 26 */ | |
| 27 class nsXMLNameSpaceMap | |
| 28 { | |
| 29 public: | |
| 30 /** | |
| 31 * Allocates a new nsXMLNameSpaceMap (with new()) and if aForXML is | |
| 32 * true initializes it with the xmlns and xml namespaces. | |
| 33 */ | |
| 34 static NS_HIDDEN_(nsXMLNameSpaceMap*) Create(bool aForXML); | |
| 35 | |
| 36 /** | |
| 37 * Add a prefix and its corresponding namespace ID to the map. | |
| 38 * Passing a null |aPrefix| corresponds to the default namespace, which may | |
| 39 * be set to something other than kNameSpaceID_None. | |
| 40 */ | |
| 41 NS_HIDDEN_(nsresult) AddPrefix(nsIAtom *aPrefix, int32_t aNameSpaceID); | |
| 42 | |
| 43 /** | |
| 44 * Add a prefix and a namespace URI to the map. The URI will be converted | |
| 45 * to its corresponding namespace ID. | |
| 46 */ | |
| 47 NS_HIDDEN_(nsresult) AddPrefix(nsIAtom *aPrefix, nsString &aURI); | |
| 48 | |
| 49 /* | |
| 50 * Returns the namespace ID for the given prefix, if it is in the map. | |
| 51 * If |aPrefix| is null and is not in the map, then a null namespace | |
| 52 * (kNameSpaceID_None) is returned. If |aPrefix| is non-null and is not in | |
| 53 * the map, then kNameSpaceID_Unknown is returned. | |
| 54 */ | |
| 55 NS_HIDDEN_(int32_t) FindNameSpaceID(nsIAtom *aPrefix) const; | |
| 56 | |
| 57 /** | |
| 58 * If the given namespace ID is in the map, then the first prefix which | |
| 59 * maps to that namespace is returned. Otherwise, null is returned. | |
| 60 */ | |
| 61 NS_HIDDEN_(nsIAtom*) FindPrefix(int32_t aNameSpaceID) const; | |
| 62 | |
| 63 /* Removes all prefix mappings. */ | |
| 64 NS_HIDDEN_(void) Clear(); | |
| 65 | |
| 66 ~nsXMLNameSpaceMap() { Clear(); } | |
| 67 | |
| 68 private: | |
| 69 nsXMLNameSpaceMap() NS_HIDDEN; // use Create() to create new instances | |
| 70 | |
| 71 nsTArray<nsNameSpaceEntry> mNameSpaces; | |
| 72 }; | |
| 73 | |
| 74 #endif |
