xmlstring.hpp

基于属性证书的访问控制源代码,由c++编写,包括openssl,xercesc等

      * @param str1 Null-terminated string to compare
      * @param str2 Null-terminated string to compare
      * @return The return value indicates the relation of <code>str1</code> to
      * <code>str2</code> as follows
      *  Less than 0 means <code>str1</code> is less than <code>str2</code>
      *  Equal to 0 means <code>str1</code> is identical to <code>str2</code>
      *  Greater than 0 means <code>str1</code> is more than <code>str2</code>
      */
    static int compareIString
    (
        const   XMLCh* const    str1
        , const XMLCh* const    str2
    );


    /** Lexicographically compares, at most, the first count characters in
      * <code>str1</code> and <code>str2</code> and returns a value indicating the
      * relationship between the substrings.
      * @param str1 Null-terminated string to compare
      * @param str2 Null-terminated string to compare
      * @param count The number of characters to compare
      *
      * @return The return value indicates the relation of <code>str1</code> to
      * <code>str2</code> as follows
      *  Less than 0 means <code>str1</code> is less than <code>str2</code>
      *  Equal to 0 means <code>str1</code> is identical to <code>str2</code>
      *  Greater than 0 means <code>str1</code> is more than <code>str2</code>
      */
    static int compareNString
    (
        const   char* const     str1
        , const char* const     str2
        , const unsigned int    count
    );

    /** Lexicographically compares, at most, the first count characters in
      * <code>str1</code> and <code>str2</code> and returns a value indicating
      * the relationship between the substrings.
      * @param str1 Null-terminated string to compare
      * @param str2 Null-terminated string to compare
      * @param count The number of characters to compare
      *
      * @return The return value indicates the relation of <code>str1</code> to
      * <code>str2</code> as follows
      *  Less than 0 means <code>str1</code> is less than <code>str2</code>
      *  Equal to 0 means <code>str1</code> is identical to <code>str2</code>
      *  Greater than 0 means <code>str1</code> is more than <code>str2</code>
      */
    static int compareNString
    (
        const   XMLCh* const    str1
        , const XMLCh* const    str2
        , const unsigned int    count
    );


    /** Lexicographically compares, at most, the first count characters in
      * <code>str1</code> and <code>str2</code> without regard to case and
      * returns a value indicating the relationship between the substrings.
      *
      * @param str1 Null-terminated string to compare
      * @param str2 Null-terminated string to compare
      * @param count The number of characters to compare
      * @return The return value indicates the relation of <code>str1</code> to
      * <code>str2</code> as follows
      *  Less than 0 means <code>str1</code> is less than <code>str2</code>
      *  Equal to 0 means <code>str1</code> is identical to <code>str2</code>
      *  Greater than 0 means <code>str1</code> is more than <code>str2</code>
      */
    static int compareNIString
    (
        const   char* const     str1
        , const char* const     str2
        , const unsigned int    count
    );

    /** Lexicographically compares, at most, the first count characters in
      * <code>str1</code> and <code>str2</code> without regard to case and
      * returns a value indicating the relationship between the substrings.
      *
      * @param str1 Null-terminated string to compare
      * @param str2 Null-terminated string to compare
      * @param count The number of characters to compare
      *
      * @return The return value indicates the relation of <code>str1</code> to
      * <code>str2</code> as follows
      *  Less than 0 means <code>str1</code> is less than <code>str2</code>
      *  Equal to 0 means <code>str1</code> is identical to <code>str2</code>
      *  Greater than 0 means <code>str1</code> is more than <code>str2</code>
      */
    static int compareNIString
    (
        const   XMLCh* const    str1
        , const XMLCh* const    str2
        , const unsigned int    count
    );

    /** Lexicographically compares <code>str1</code> and <code>str2</code> and
      * returns a value indicating their relationship.
      *
      * @param str1 Null-terminated string to compare
      * @param str2 Null-terminated string to compare
      *
      * @return The return value indicates the relation of <code>str1</code> to
      * <code>str2</code> as follows
      *  Less than 0 means <code>str1</code> is less than <code>str2</code>
      *  Equal to 0 means <code>str1</code> is identical to <code>str2</code>
      *  Greater than 0 means <code>str1</code> is more than <code>str2</code>
      */
    static int compareString
    (
        const   char* const     str1
        , const char* const     str2
    );

    /** Lexicographically compares <code>str1</code> and <code>str2</code> and
      * returns a value indicating their relationship.
      *
      * @param str1 Null-terminated string to compare
      * @param str2 Null-terminated string to compare
      * @return The return value indicates the relation of <code>str1</code> to
      * <code>str2</code> as follows
      *  Less than 0 means <code>str1</code> is less than <code>str2</code>
      *  Equal to 0 means <code>str1</code> is identical to <code>str2</code>
      *  Greater than 0 means <code>str1</code> is more than <code>str2</code>
      */
    static int compareString
    (
        const   XMLCh* const    str1
        , const XMLCh* const    str2
    );

    /** compares <code>str1</code> and <code>str2</code>
      *
      * @param str1 Null-terminated string to compare
      * @param str2 Null-terminated string to compare
      * @return true if two strings are equal, false if not
      *  If one string is null, while the other is zero-length string,
      *  it is considered as equal.
      */
    static bool equals
    (
          const XMLCh* const    str1
        , const XMLCh* const    str2
    );

    static bool equals
    (
          const char* const    str1
        , const char* const    str2
    );

	/** Lexicographically compares <code>str1</code> and <code>str2</code>
	  * regions and returns true if they are equal, otherwise false.
	  *
      * A substring of <code>str1</code> is compared to a substring of
	  * <code>str2</code>. The result is true if these substrings represent
	  * identical character sequences. The substring of <code>str1</code>
      * to be compared begins at offset1 and has length charCount. The
	  * substring of <code>str2</code> to be compared begins at offset2 and
	  * has length charCount. The result is false if and only if at least
      * one of the following is true:
      *   offset1 is negative.
      *   offset2 is negative.
      *   offset1+charCount is greater than the length of str1.
      *   offset2+charCount is greater than the length of str2.
      *   There is some nonnegative integer k less than charCount such that:
      *   str1.charAt(offset1+k) != str2.charAt(offset2+k)
      *
      * @param str1 Null-terminated string to compare
	  * @param offset1 Starting offset of str1
      * @param str2 Null-terminated string to compare
	  * @param offset2 Starting offset of str2
	  * @param charCount The number of characters to compare
      * @return true if the specified subregion of <code>str1</code> exactly
	  *  matches the specified subregion of <code>str2></code>; false
	  *  otherwise.
      */
    static bool regionMatches
    (
        const   XMLCh* const    str1
		, const	int				offset1
        , const XMLCh* const    str2
		, const int				offset2
		, const unsigned int	charCount
    );

	/** Lexicographically compares <code>str1</code> and <code>str2</code>
	  * regions without regard to case and returns true if they are equal,
	  * otherwise false.
	  *
      * A substring of <code>str1</code> is compared to a substring of
	  * <code>str2</code>. The result is true if these substrings represent
	  * identical character sequences. The substring of <code>str1</code>
      * to be compared begins at offset1 and has length charCount. The
	  * substring of <code>str2</code> to be compared begins at offset2 and
	  * has length charCount. The result is false if and only if at least
      * one of the following is true:
      *   offset1 is negative.
      *   offset2 is negative.
      *   offset1+charCount is greater than the length of str1.
      *   offset2+charCount is greater than the length of str2.
      *   There is some nonnegative integer k less than charCount such that:
      *   str1.charAt(offset1+k) != str2.charAt(offset2+k)
      *
      * @param str1 Null-terminated string to compare
	  * @param offset1 Starting offset of str1
      * @param str2 Null-terminated string to compare
	  * @param offset2 Starting offset of str2
	  * @param charCount The number of characters to compare
      * @return true if the specified subregion of <code>str1</code> exactly
	  *  matches the specified subregion of <code>str2></code>; false
	  *  otherwise.
      */
    static bool regionIMatches
    (
        const   XMLCh* const    str1
		, const	int				offset1
        , const XMLCh* const    str2
		, const int				offset2
		, const unsigned int	charCount
    );
    //@}

    /** @name String copy functions */
    //@{
    /** Copies <code>src</code>, including the terminating null character, to the
      * location specified by <code>target</code>.
      *
      * No overflow checking is performed when strings are copied or appended.
      * The behavior of strcpy is undefined if the source and destination strings
      * overlap.
      *
      * @param target Destination string
      * @param src Null-terminated source string
      */
    static void copyString
    (
                char* const     target
        , const char* const     src
    );

    /** Copies <code>src</code>, including the terminating null character, to
      *   the location specified by <code>target</code>.
      *
      * No overflow checking is performed when strings are copied or appended.
      * The behavior of <code>copyString</code> is undefined if the source and
      * destination strings overlap.
      *
      * @param target Destination string
      * @param src Null-terminated source string
      */
    static void copyString
    (
                XMLCh* const    target
        , const XMLCh* const    src
    );

    /** Copies <code>src</code>, upto a fixed number of characters, to the
      * location specified by <code>target</code>.
      *
      * No overflow checking is performed when strings are copied or appended.
      * The behavior of <code>copyNString</code> is undefined if the source and
      * destination strings overlap.
      *
      * @param target Destination string. The size of the buffer should
      *        atleast be 'maxChars + 1'.
      * @param src Null-terminated source string
      * @param maxChars The maximum number of characters to copy
      */
    static bool copyNString
    (
                XMLCh* const    target
        , const XMLCh* const    src
        , const unsigned int    maxChars
    );
    //@}

    /** @name Hash functions */
    //@{
    /** Hashes a string given a modulus
      *
      * @param toHash The string to hash
      * @param hashModulus The divisor to be used for hashing
      * @return Returns the hash value
      */
    static unsigned int hash
    (
        const   char* const     toHash
        , const unsigned int    hashModulus
        , MemoryManager* const  manager = XMLPlatformUtils::fgMemoryManager
    );

    /** Hashes a string given a modulus
      *
      * @param toHash The string to hash
      * @param hashModulus The divisor to be used for hashing
      * @return Returns the hash value
      */
    static unsigned int hash
    (
        const   XMLCh* const    toHash
        , const unsigned int    hashModulus
        , MemoryManager* const  manager = XMLPlatformUtils::fgMemoryManager
    );

    /** Hashes a string given a modulus taking a maximum number of characters
      * as the limit
      *
      * @param toHash The string to hash
      * @param numChars The maximum number of characters to consider for hashing
      * @param hashModulus The divisor to be used for hashing
      *
      * @return Returns the hash value
      */
    static unsigned int hashN
    (
        const   XMLCh* const    toHash
        , const unsigned int    numChars
        , const unsigned int    hashModulus
        , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
    );

    //@}

    /** @name Search functions */
    //@{
    /**
      * Provides the index of the first occurance of a character within a string
      *
      * @param toSearch The string to search
      * @param ch The character to search within the string
      * @return If found, returns the index of the character within the string,
      * else returns -1.
      */
    static int indexOf(const char* const toSearch, const char ch);

    /**
      * Provides the index of the first occurance of a character within a string
      *
      * @param toSearch The string to search