1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/xslt/xml/txXMLUtils.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,140 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/**
1.10 + * An XML Utility class
1.11 +**/
1.12 +
1.13 +#ifndef MITRE_XMLUTILS_H
1.14 +#define MITRE_XMLUTILS_H
1.15 +
1.16 +#include "txCore.h"
1.17 +#include "nsCOMPtr.h"
1.18 +#include "nsDependentSubstring.h"
1.19 +#include "nsIAtom.h"
1.20 +#include "txXPathNode.h"
1.21 +
1.22 +#define kExpatSeparatorChar 0xFFFF
1.23 +
1.24 +extern "C" int MOZ_XMLIsLetter(const char* ptr);
1.25 +extern "C" int MOZ_XMLIsNCNameChar(const char* ptr);
1.26 +
1.27 +class nsIAtom;
1.28 +class txNamespaceMap;
1.29 +
1.30 +class txExpandedName {
1.31 +public:
1.32 + txExpandedName() : mNamespaceID(kNameSpaceID_None)
1.33 + {
1.34 + }
1.35 +
1.36 + txExpandedName(int32_t aNsID,
1.37 + nsIAtom* aLocalName) : mNamespaceID(aNsID),
1.38 + mLocalName(aLocalName)
1.39 + {
1.40 + }
1.41 +
1.42 + txExpandedName(const txExpandedName& aOther) :
1.43 + mNamespaceID(aOther.mNamespaceID),
1.44 + mLocalName(aOther.mLocalName)
1.45 + {
1.46 + }
1.47 +
1.48 + nsresult init(const nsAString& aQName, txNamespaceMap* aResolver,
1.49 + bool aUseDefault);
1.50 +
1.51 + void reset()
1.52 + {
1.53 + mNamespaceID = kNameSpaceID_None;
1.54 + mLocalName = nullptr;
1.55 + }
1.56 +
1.57 + bool isNull()
1.58 + {
1.59 + return mNamespaceID == kNameSpaceID_None && !mLocalName;
1.60 + }
1.61 +
1.62 + txExpandedName& operator = (const txExpandedName& rhs)
1.63 + {
1.64 + mNamespaceID = rhs.mNamespaceID;
1.65 + mLocalName = rhs.mLocalName;
1.66 + return *this;
1.67 + }
1.68 +
1.69 + bool operator == (const txExpandedName& rhs) const
1.70 + {
1.71 + return ((mLocalName == rhs.mLocalName) &&
1.72 + (mNamespaceID == rhs.mNamespaceID));
1.73 + }
1.74 +
1.75 + bool operator != (const txExpandedName& rhs) const
1.76 + {
1.77 + return ((mLocalName != rhs.mLocalName) ||
1.78 + (mNamespaceID != rhs.mNamespaceID));
1.79 + }
1.80 +
1.81 + int32_t mNamespaceID;
1.82 + nsCOMPtr<nsIAtom> mLocalName;
1.83 +};
1.84 +
1.85 +class XMLUtils {
1.86 +
1.87 +public:
1.88 + static nsresult splitExpatName(const char16_t *aExpatName,
1.89 + nsIAtom **aPrefix, nsIAtom **aLocalName,
1.90 + int32_t* aNameSpaceID);
1.91 + static nsresult splitQName(const nsAString& aName, nsIAtom** aPrefix,
1.92 + nsIAtom** aLocalName);
1.93 +
1.94 + /*
1.95 + * Returns true if the given character is whitespace.
1.96 + */
1.97 + static bool isWhitespace(const char16_t& aChar)
1.98 + {
1.99 + return (aChar <= ' ' &&
1.100 + (aChar == ' ' || aChar == '\r' ||
1.101 + aChar == '\n'|| aChar == '\t'));
1.102 + }
1.103 +
1.104 + /**
1.105 + * Returns true if the given string has only whitespace characters
1.106 + */
1.107 + static bool isWhitespace(const nsAFlatString& aText);
1.108 +
1.109 + /**
1.110 + * Normalizes the value of a XML processingInstruction
1.111 + **/
1.112 + static void normalizePIValue(nsAString& attValue);
1.113 +
1.114 + /**
1.115 + * Returns true if the given string is a valid XML QName
1.116 + */
1.117 + static bool isValidQName(const nsAFlatString& aQName,
1.118 + const char16_t** aColon);
1.119 +
1.120 + /**
1.121 + * Returns true if the given character represents an Alpha letter
1.122 + */
1.123 + static bool isLetter(char16_t aChar)
1.124 + {
1.125 + return !!MOZ_XMLIsLetter(reinterpret_cast<const char*>(&aChar));
1.126 + }
1.127 +
1.128 + /**
1.129 + * Returns true if the given character is an allowable NCName character
1.130 + */
1.131 + static bool isNCNameChar(char16_t aChar)
1.132 + {
1.133 + return !!MOZ_XMLIsNCNameChar(reinterpret_cast<const char*>(&aChar));
1.134 + }
1.135 +
1.136 + /*
1.137 + * Walks up the document tree and returns true if the closest xml:space
1.138 + * attribute is "preserve"
1.139 + */
1.140 + static bool getXMLSpacePreserve(const txXPathNode& aNode);
1.141 +};
1.142 +
1.143 +#endif
