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LIBEXSLT(3)                                                                                      LIBEXSLT(3)



NAME
       libexslt - extension library for XSLT

SYNOPSIS
       #include <libexslt/exslt.h>

       void exsltCommonRegister(void);
       void exsltDateRegister(void);
       void exsltDynRegister(void);
       void exsltFuncRegister(void);
       void exsltMathRegister(void);
       void exsltSetsRegister(void);
       void exsltStrRegister(void);
       void exsltRegisterAll(void);
       void exsltSaxonRegister(void);

DESCRIPTION
       The  libexslt library is used to provide extensions to XSLT functions. These extensions come from the
       EXSLT project <http://www.exslt.org/>


USAGE
       To make  use  of  these  functions  in  XSLT  the  appropriate  namespace  must  be  defined  on  the
       xsl:stylesheet element.  To enable support for them in libxslt(3) you must call the appropriate func-tions functions
       tions (listed in the SYNOPSIS section) to register the extensions.  The xslt-config shell script  can
       be  used  to  obtain  the necessary flags for the pre-processor and linker.  The supported extensions
       are:

   COMMON
       Namespace: http://exslt.org/common

       See http://www.exslt.org/exsl/index.html for a description.

       node-set()            convert the given RTF into a node-set.

       object-type()         returns the type of the given argument.

       document              Create multiple output documents. See  http://www .exslt.org/exsl/elements/docu-
                             ment/index.html


   MATH
       Namespace: http://exslt.org/math

       See http://www.exslt.org/math/index.html for a description.

       min()                 returns the minimum value of the given node-set

       max()                 returns the maximum value of the given node-set

       highest()             returns  the  nodes  in  the  node-set whose value is the maximum value for the
                             node-set.

       lowest()              returns the nodes in the node-set whose value is  the  minimum  value  for  the
                             node-set.

       constant()            returns a number value of the given constant with the given precision. The con-stants constants
                             stants are PI, E, SQRRT2, LN2, LN10, LOG2E, and SQRT1_2.

       random()              returns a random number between 0 and 1 inclusive.

       abs()                 returns the absolute value of the argument.

       sqrt()                returns the square root of the argument.

       power()               returns the power base and power arguments.

       log()                 returns the natural log of the argument.

       sin()                 returns the sine of the argument.

       cos()                 returns the cosine of the argument.

       tan()                 returns the tangent of the argument.

       asin()                returns the arc sine of the argument.

       acos()                returns the arc cosine of the argument.

       atan()                returns the arc tangent of the argument.

       atan2()               returns the arc tangent function of the y/x arguments.

       exp()                 returns the exponential function of the argument.


   SETS
       Namespace: http://exslt.org/sets

       See http://www.exslt.org/set/index.html for a description.

       difference()          returns the difference between the two given node-sets.

       intersection()        returns a node-set of the nodes within both given node-sets.

       distinct()            returns a node-set of all nodes in the first argument that are not in the  sec-onds seconds
                             onds argument.

       has-same-node()       returns TRUE if there is an intersection between the two given node-sets.

       leading()             returns  a  node-set  of all nodes in the first argument that precede the first
                             node in the second argument.

       trailing()            returns a node-set of all nodes in the first argument  that  follow  the  first
                             node in the second argument.


   DATES and TIMES
       Namespace: http://exslt.org/dates-and-times

       See http://www.exslt.org/date/date.html for a description.

       date-time()           returns the current date and time as a date/time string.

       date()                returns the date specified in the given date/time string.

       time()                returns the time specified in the date/time string given as the argument.

       year()                returns the year of a date as a number.

       leap-year()           returns true if the year given in a date is a leap year.

       month-in-year()       returns the month of a date as a number.

       month-name()          returns the full name of the month of a date.

       month-abbreviation()  returns the abbreviation of the month of a date.

       week-in-year()        returns the week of the year as a number.

       week-in-month()       returns the week in a month of a date as a number.

       day-in-year()         returns the month of a date as a number.

       day-in-month()        returns the day of a date as a number.

       day-of-week-in-month()
                             returns the day-of-the-week in a month of a date as a number.

       day-in-week()         returns the day of the week given in a date as a number.

       day-name()            returns the full name of the day of the week of a date.

       day-abbreviation()    returns the abbreviation of the day of the week of a date.

       hour-in-day()         returns the hour of the day as a number.

       minute-in-hour()      returns the minute of the hour as a number.

       second-in-minute()    returns the second of the minute as a number.

       seconds()             returns the number of seconds specified by the argument string.

       add()                 returns the date/time resulting from adding a duration to a date/time.

       add-duration()        returns the duration resulting from adding two given durations together.

       difference()          returns the duration between the first date and the second date.

       duration()            returns  a  duration  string  that represents the given number of seconds since
                             1970-01-01T00:00:00.


   STRINGS
       Namespace: http://exslt.org/strings

       See http://www.exslt.org/str/index.html for a description.

       tokenize()            returns a node set of token  elements,  each  containing  one  token  from  the
                             string.

       padding()             returns a string padded to a certain length.

       align()               returns a string aligned within another string.

       concat()              returns the concatenation of the string values of the nodes in that node set.


   FUNCTIONS
       Namespace: http://exslt.org/functions

       See http://www.exslt.org/func/index.html for a description.

       function              declares an extension function.

       result                returns the result of an extension function declared in function().

FILES
       /usr/bin/xslt-config
              shell script giving pre-processor and linker flags.

       /usr/lib/libexslt.a
              static library

       /usr/lib/libexslt.so
              sharable library

AUTHORS
       Manual page by Heiko W. Rupp (hwr@pilhuhn.de)

SEE ALSO
       libxml(3), libxslt(3), xmllint (1) xsltproc (1),



libxslt                                       04 November 2003                                   LIBEXSLT(3)