зеркало из https://github.com/mozilla/gecko-dev.git
83 строки
2.3 KiB
C++
83 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* An XML Utility class
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**/
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#ifndef MITRE_XMLUTILS_H
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#define MITRE_XMLUTILS_H
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#include "txCore.h"
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#include "nsDependentSubstring.h"
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#include "txXPathNode.h"
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#define kExpatSeparatorChar 0xFFFF
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extern "C" int MOZ_XMLIsLetter(const char* ptr);
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extern "C" int MOZ_XMLIsNCNameChar(const char* ptr);
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class nsIAtom;
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class XMLUtils {
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public:
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static nsresult splitExpatName(const char16_t *aExpatName,
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nsIAtom **aPrefix, nsIAtom **aLocalName,
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int32_t* aNameSpaceID);
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static nsresult splitQName(const nsAString& aName, nsIAtom** aPrefix,
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nsIAtom** aLocalName);
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/*
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* Returns true if the given character is whitespace.
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*/
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static bool isWhitespace(const char16_t& aChar)
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{
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return (aChar <= ' ' &&
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(aChar == ' ' || aChar == '\r' ||
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aChar == '\n'|| aChar == '\t'));
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}
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/**
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* Returns true if the given string has only whitespace characters
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*/
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static bool isWhitespace(const nsAFlatString& aText);
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/**
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* Normalizes the value of a XML processingInstruction
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**/
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static void normalizePIValue(nsAString& attValue);
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/**
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* Returns true if the given string is a valid XML QName
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*/
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static bool isValidQName(const nsAFlatString& aQName,
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const char16_t** aColon);
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/**
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* Returns true if the given character represents an Alpha letter
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*/
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static bool isLetter(char16_t aChar)
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{
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return !!MOZ_XMLIsLetter(reinterpret_cast<const char*>(&aChar));
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}
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/**
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* Returns true if the given character is an allowable NCName character
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*/
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static bool isNCNameChar(char16_t aChar)
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{
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return !!MOZ_XMLIsNCNameChar(reinterpret_cast<const char*>(&aChar));
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}
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/*
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* Walks up the document tree and returns true if the closest xml:space
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* attribute is "preserve"
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*/
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static bool getXMLSpacePreserve(const txXPathNode& aNode);
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};
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#endif
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