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comparison: dom/xslt/xml/txXMLUtils.h
dom/xslt/xml/txXMLUtils.h
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| -1:000000000000 | 0:1c806065d084 |
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 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 /** | |
| 7 * An XML Utility class | |
| 8 **/ | |
| 9 | |
| 10 #ifndef MITRE_XMLUTILS_H | |
| 11 #define MITRE_XMLUTILS_H | |
| 12 | |
| 13 #include "txCore.h" | |
| 14 #include "nsCOMPtr.h" | |
| 15 #include "nsDependentSubstring.h" | |
| 16 #include "nsIAtom.h" | |
| 17 #include "txXPathNode.h" | |
| 18 | |
| 19 #define kExpatSeparatorChar 0xFFFF | |
| 20 | |
| 21 extern "C" int MOZ_XMLIsLetter(const char* ptr); | |
| 22 extern "C" int MOZ_XMLIsNCNameChar(const char* ptr); | |
| 23 | |
| 24 class nsIAtom; | |
| 25 class txNamespaceMap; | |
| 26 | |
| 27 class txExpandedName { | |
| 28 public: | |
| 29 txExpandedName() : mNamespaceID(kNameSpaceID_None) | |
| 30 { | |
| 31 } | |
| 32 | |
| 33 txExpandedName(int32_t aNsID, | |
| 34 nsIAtom* aLocalName) : mNamespaceID(aNsID), | |
| 35 mLocalName(aLocalName) | |
| 36 { | |
| 37 } | |
| 38 | |
| 39 txExpandedName(const txExpandedName& aOther) : | |
| 40 mNamespaceID(aOther.mNamespaceID), | |
| 41 mLocalName(aOther.mLocalName) | |
| 42 { | |
| 43 } | |
| 44 | |
| 45 nsresult init(const nsAString& aQName, txNamespaceMap* aResolver, | |
| 46 bool aUseDefault); | |
| 47 | |
| 48 void reset() | |
| 49 { | |
| 50 mNamespaceID = kNameSpaceID_None; | |
| 51 mLocalName = nullptr; | |
| 52 } | |
| 53 | |
| 54 bool isNull() | |
| 55 { | |
| 56 return mNamespaceID == kNameSpaceID_None && !mLocalName; | |
| 57 } | |
| 58 | |
| 59 txExpandedName& operator = (const txExpandedName& rhs) | |
| 60 { | |
| 61 mNamespaceID = rhs.mNamespaceID; | |
| 62 mLocalName = rhs.mLocalName; | |
| 63 return *this; | |
| 64 } | |
| 65 | |
| 66 bool operator == (const txExpandedName& rhs) const | |
| 67 { | |
| 68 return ((mLocalName == rhs.mLocalName) && | |
| 69 (mNamespaceID == rhs.mNamespaceID)); | |
| 70 } | |
| 71 | |
| 72 bool operator != (const txExpandedName& rhs) const | |
| 73 { | |
| 74 return ((mLocalName != rhs.mLocalName) || | |
| 75 (mNamespaceID != rhs.mNamespaceID)); | |
| 76 } | |
| 77 | |
| 78 int32_t mNamespaceID; | |
| 79 nsCOMPtr<nsIAtom> mLocalName; | |
| 80 }; | |
| 81 | |
| 82 class XMLUtils { | |
| 83 | |
| 84 public: | |
| 85 static nsresult splitExpatName(const char16_t *aExpatName, | |
| 86 nsIAtom **aPrefix, nsIAtom **aLocalName, | |
| 87 int32_t* aNameSpaceID); | |
| 88 static nsresult splitQName(const nsAString& aName, nsIAtom** aPrefix, | |
| 89 nsIAtom** aLocalName); | |
| 90 | |
| 91 /* | |
| 92 * Returns true if the given character is whitespace. | |
| 93 */ | |
| 94 static bool isWhitespace(const char16_t& aChar) | |
| 95 { | |
| 96 return (aChar <= ' ' && | |
| 97 (aChar == ' ' || aChar == '\r' || | |
| 98 aChar == '\n'|| aChar == '\t')); | |
| 99 } | |
| 100 | |
| 101 /** | |
| 102 * Returns true if the given string has only whitespace characters | |
| 103 */ | |
| 104 static bool isWhitespace(const nsAFlatString& aText); | |
| 105 | |
| 106 /** | |
| 107 * Normalizes the value of a XML processingInstruction | |
| 108 **/ | |
| 109 static void normalizePIValue(nsAString& attValue); | |
| 110 | |
| 111 /** | |
| 112 * Returns true if the given string is a valid XML QName | |
| 113 */ | |
| 114 static bool isValidQName(const nsAFlatString& aQName, | |
| 115 const char16_t** aColon); | |
| 116 | |
| 117 /** | |
| 118 * Returns true if the given character represents an Alpha letter | |
| 119 */ | |
| 120 static bool isLetter(char16_t aChar) | |
| 121 { | |
| 122 return !!MOZ_XMLIsLetter(reinterpret_cast<const char*>(&aChar)); | |
| 123 } | |
| 124 | |
| 125 /** | |
| 126 * Returns true if the given character is an allowable NCName character | |
| 127 */ | |
| 128 static bool isNCNameChar(char16_t aChar) | |
| 129 { | |
| 130 return !!MOZ_XMLIsNCNameChar(reinterpret_cast<const char*>(&aChar)); | |
| 131 } | |
| 132 | |
| 133 /* | |
| 134 * Walks up the document tree and returns true if the closest xml:space | |
| 135 * attribute is "preserve" | |
| 136 */ | |
| 137 static bool getXMLSpacePreserve(const txXPathNode& aNode); | |
| 138 }; | |
| 139 | |
| 140 #endif |
