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320 lines
48 KiB
320 lines
48 KiB
<HTML><HEAD><META content="text/html; charset=utf8" http-equiv="Content-Type"><SCRIPT language="JavaScript" src="resources/script.js" type="text/javascript"></SCRIPT><TITLE>XML Schema Support</TITLE></HEAD><BODY alink="#ff0000" bgcolor="#ffffff" leftmargin="4" link="#0000ff" marginheight="4" marginwidth="4" text="#000000" topmargin="4" vlink="#0000aa"><TABLE border="0" cellpadding="0" cellspacing="0" width="620"><TR><TD align="left" height="60" rowspan="3" valign="top" width="135"><IMG border="0" height="60" hspace="0" src="resources/logo.gif" vspace="0" width="135"></TD><TD align="left" colspan="4" height="5" valign="top" width="456"><IMG border="0" height="5" hspace="0" src="resources/line.gif" vspace="0" width="456"></TD><TD align="left" height="60" rowspan="3" valign="top" width="29"><IMG border="0" height="60" hspace="0" src="resources/right.gif" vspace="0" width="29"></TD></TR><TR><TD align="left" bgcolor="#0086b2" colspan="4" height="35" valign="top" width="456"><IMG alt="" border="0" height="35" hspace="0" src="graphics/schema-3-header.jpg" vspace="0" width="456"></TD></TR><TR><TD align="left" height="20" valign="top" width="168"><IMG border="0" height="20" hspace="0" src="resources/bottom.gif" vspace="0" width="168"></TD><TD align="left" height="20" valign="top" width="96"><A href="http://xml.apache.org/" onMouseOut="rolloverOff('xml');" onMouseOver="rolloverOn('xml');" target="new"><IMG alt="http://xml.apache.org/" border="0" height="20" hspace="0" name="xml" onLoad="rolloverLoad('xml','resources/button-xml-hi.gif','resources/button-xml-lo.gif');" src="resources/button-xml-lo.gif" vspace="0" width="96"></A></TD><TD align="left" height="20" valign="top" width="96"><A href="http://www.apache.org/" onMouseOut="rolloverOff('asf');" onMouseOver="rolloverOn('asf');" target="new"><IMG alt="http://www.apache.org/" border="0" height="20" hspace="0" name="asf" onLoad="rolloverLoad('asf','resources/button-asf-hi.gif','resources/button-asf-lo.gif');" src="resources/button-asf-lo.gif" vspace="0" width="96"></A></TD><TD align="left" height="20" valign="top" width="96"><A href="http://www.w3.org/" onMouseOut="rolloverOff('w3c');" onMouseOver="rolloverOn('w3c');" target="new"><IMG alt="http://www.w3.org/" border="0" height="20" hspace="0" name="w3c" onLoad="rolloverLoad('w3c','resources/button-w3c-hi.gif','resources/button-w3c-lo.gif');" src="resources/button-w3c-lo.gif" vspace="0" width="96"></A></TD></TR></TABLE><TABLE border="0" cellpadding="0" cellspacing="0" width="620"><TR><TD align="left" valign="top" width="120"><IMG border="0" height="14" hspace="0" src="resources/join.gif" vspace="0" width="120"><BR>
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<IMG border="0" height="14" hspace="0" src="resources/close.gif" vspace="0" width="120"><BR></TD><TD align="left" valign="top" width="500"><TABLE border="0" cellpadding="3" cellspacing="0"><TR><TD>
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<TABLE border="0" cellpadding="0" cellspacing="0" width="494"><TR><TD bgcolor="ffffff" colspan="2" width="494"><TABLE border="0" cellpadding="0" cellspacing="0" width="494"><TR><TD bgcolor="#039acc" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#039acc" height="1" width="492"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="492"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#039acc" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" width="492"><FONT color="#ffffff" face="arial,helvetica,sanserif" size="+1"><IMG border="0" height="2" hspace="0" src="resources/void.gif" vspace="0" width="2"><B>Introduction</B></FONT></TD><TD bgcolor="#017299" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#017299" height="1" width="492"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="492"></TD><TD bgcolor="#017299" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></TD></TR><TR><TD width="10"> </TD><TD width="484"><FONT color="#000000" face="arial,helvetica,sanserif">
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<P>Xerces-C++ includes an implementation of the W3C XML Schema
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specification, a recommendation of the Worldwide Web Consortium
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available in three parts:
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<A href="http://www.w3.org/TR/xmlschema-0/">XML Schema: Primer</A>,
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<A href="http://www.w3.org/TR/xmlschema-1/">XML Schema: Structures</A> and
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<A href="http://www.w3.org/TR/xmlschema-2/">XML Schema: Datatypes</A>.
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We consider this implementation complete except for the limitations outlined below.
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</P>
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</FONT></TD></TR></TABLE><BR>
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<A name="limitation"><!--anchor--></A>
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<TABLE border="0" cellpadding="0" cellspacing="0" width="494"><TR><TD bgcolor="ffffff" colspan="2" width="494"><TABLE border="0" cellpadding="0" cellspacing="0" width="494"><TR><TD bgcolor="#039acc" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#039acc" height="1" width="492"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="492"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#039acc" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" width="492"><FONT color="#ffffff" face="arial,helvetica,sanserif" size="+1"><IMG border="0" height="2" hspace="0" src="resources/void.gif" vspace="0" width="2"><B>Limitations</B></FONT></TD><TD bgcolor="#017299" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#017299" height="1" width="492"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="492"></TD><TD bgcolor="#017299" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></TD></TR><TR><TD width="10"> </TD><TD width="484"><FONT color="#000000" face="arial,helvetica,sanserif">
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<UL>
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<LI>In certain complex content models specifying large
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values for the <CODE><FONT face="courier, monospaced">minOccurs</FONT></CODE> or <CODE><FONT face="courier, monospaced">maxOccurs</FONT></CODE>
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attributes may result in poor performance and/or large amount
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of memory being allocated by the parser. In such situations large values for
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<CODE><FONT face="courier, monospaced">minOccurs</FONT></CODE> should be avoided, and <CODE><FONT face="courier, monospaced">unbounded</FONT></CODE>
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should be used instead.</LI>
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<LI>The parser treats local elements in the same scope with the
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same name and namespace as one element declaration and does not
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differentiate between them.</LI>
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</UL>
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</FONT></TD></TR></TABLE><BR>
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<A name="interpretation"><!--anchor--></A>
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<TABLE border="0" cellpadding="0" cellspacing="0" width="494"><TR><TD bgcolor="ffffff" colspan="2" width="494"><TABLE border="0" cellpadding="0" cellspacing="0" width="494"><TR><TD bgcolor="#039acc" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#039acc" height="1" width="492"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="492"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#039acc" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" width="492"><FONT color="#ffffff" face="arial,helvetica,sanserif" size="+1"><IMG border="0" height="2" hspace="0" src="resources/void.gif" vspace="0" width="2"><B>Interpretation of Areas that are Unclear or Implementation-Dependent</B></FONT></TD><TD bgcolor="#017299" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#017299" height="1" width="492"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="492"></TD><TD bgcolor="#017299" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></TD></TR><TR><TD width="10"> </TD><TD width="484"><FONT color="#000000" face="arial,helvetica,sanserif">
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<TABLE border="0" cellpadding="0" cellspacing="0" width="484"><TR><TD bgcolor="ffffff" colspan="2" width="484"><TABLE border="0" cellpadding="0" cellspacing="0" width="484"><TR><TD bgcolor="#039acc" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#039acc" height="1" width="482"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="482"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#039acc" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" width="482"><FONT color="#ffffff" face="arial,helvetica,sanserif"><IMG border="0" height="2" hspace="0" src="resources/void.gif" vspace="0" width="2"><B>keyref</B></FONT></TD><TD bgcolor="#017299" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#017299" height="1" width="482"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="482"></TD><TD bgcolor="#017299" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></TD></TR><TR><TD width="10"> </TD><TD width="474"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">
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<P>
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We have interpreted the specs as requiring <keyref> Identity Constraints to refer to
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<key> or <unique> identity constraints within the scope of the elements to which
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the <keyref> is attached. This interpretation is at variance with the Schema Primer, which
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contains an example with a <keyref> declared on an element used inside the element of its
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corresponding <key>.
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</P>
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</FONT></TD></TR></TABLE><BR>
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<TABLE border="0" cellpadding="0" cellspacing="0" width="484"><TR><TD bgcolor="ffffff" colspan="2" width="484"><TABLE border="0" cellpadding="0" cellspacing="0" width="484"><TR><TD bgcolor="#039acc" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#039acc" height="1" width="482"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="482"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#039acc" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" width="482"><FONT color="#ffffff" face="arial,helvetica,sanserif"><IMG border="0" height="2" hspace="0" src="resources/void.gif" vspace="0" width="2"><B>out-of-bound float values</B></FONT></TD><TD bgcolor="#017299" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#017299" height="1" width="482"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="482"></TD><TD bgcolor="#017299" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></TD></TR><TR><TD width="10"> </TD><TD width="474"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">
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<P>
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For float data, the specification does not explicitly prescribe how to deal with
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out-of-bound data. Xerces-C++ converts these values as shown below:
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</P>
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<TABLE border="0" cellpadding="2" cellspacing="2" width="100%">
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<TR>
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<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">Values in range
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</FONT></TD>
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<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">Values converted
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</FONT></TD>
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</TR>
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<TR>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">less than -2<SUP>24</SUP> * 2<SUP>104</SUP> (approx -3.402823669e+38)
|
|
</FONT></TD>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">-INF
|
|
</FONT></TD>
|
|
</TR>
|
|
<TR>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">greater than -1 * 2<SUP>-149</SUP> (approx -1.401298464e-45) and less than -0
|
|
</FONT></TD>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">-0
|
|
</FONT></TD>
|
|
</TR>
|
|
<TR>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">greater than +0 and less than +1 * 2<SUP>-149</SUP> (approx +1.401298464e-45)
|
|
</FONT></TD>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">+0
|
|
</FONT></TD>
|
|
</TR>
|
|
<TR>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">greater than +2<SUP>24</SUP> * 2<SUP>104</SUP> (approx 3.402823669e+38)
|
|
</FONT></TD>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">+INF
|
|
</FONT></TD>
|
|
</TR>
|
|
</TABLE>
|
|
<P>
|
|
The effect of this conversion would invalidate an instance data, for example,
|
|
"1.1e-46", of a data type derived from float, with minExclusive value '+0',
|
|
since "1.1e-46" is converted to "+0", which is the same as the minExclusive.
|
|
</P>
|
|
|
|
</FONT></TD></TR></TABLE><BR>
|
|
|
|
<TABLE border="0" cellpadding="0" cellspacing="0" width="484"><TR><TD bgcolor="ffffff" colspan="2" width="484"><TABLE border="0" cellpadding="0" cellspacing="0" width="484"><TR><TD bgcolor="#039acc" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#039acc" height="1" width="482"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="482"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#039acc" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" width="482"><FONT color="#ffffff" face="arial,helvetica,sanserif"><IMG border="0" height="2" hspace="0" src="resources/void.gif" vspace="0" width="2"><B>out-of-bound double values</B></FONT></TD><TD bgcolor="#017299" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#017299" height="1" width="482"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="482"></TD><TD bgcolor="#017299" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></TD></TR><TR><TD width="10"> </TD><TD width="474"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">
|
|
<P>
|
|
Similarly, Xerces-C++ converts double values as shown below (the values
|
|
depend on the system specific values of DBL_MAX and DBL_MIN):
|
|
</P>
|
|
<TABLE border="0" cellpadding="2" cellspacing="2" width="100%">
|
|
<TR>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">Values in range
|
|
</FONT></TD>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">Values converted
|
|
</FONT></TD>
|
|
</TR>
|
|
<TR>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">less than -DBL_MAX (approx -1.7976931348623158e+308)
|
|
</FONT></TD>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">-INF
|
|
</FONT></TD>
|
|
</TR>
|
|
<TR>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">greater than -DBL_MIN (approx -2.2250738585072014e-308) and less than -0
|
|
</FONT></TD>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">-0
|
|
</FONT></TD>
|
|
</TR>
|
|
<TR>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">greater than +0 and less than +DBL_MIN (approx +2.2250738585072014e-308)
|
|
</FONT></TD>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">+0
|
|
</FONT></TD>
|
|
</TR>
|
|
<TR>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">greater than +DBL_MAX (approx +1.7976931348623158e+308)
|
|
</FONT></TD>
|
|
<TD align="" bgcolor="#a0ddf0" colspan="1" rowspan="1" valign="top"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">+INF
|
|
</FONT></TD>
|
|
</TR>
|
|
</TABLE>
|
|
</FONT></TD></TR></TABLE><BR>
|
|
</FONT></TD></TR></TABLE><BR>
|
|
|
|
<A name="usage"><!--anchor--></A>
|
|
<TABLE border="0" cellpadding="0" cellspacing="0" width="494"><TR><TD bgcolor="ffffff" colspan="2" width="494"><TABLE border="0" cellpadding="0" cellspacing="0" width="494"><TR><TD bgcolor="#039acc" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#039acc" height="1" width="492"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="492"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#039acc" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" width="492"><FONT color="#ffffff" face="arial,helvetica,sanserif" size="+1"><IMG border="0" height="2" hspace="0" src="resources/void.gif" vspace="0" width="2"><B>Usage</B></FONT></TD><TD bgcolor="#017299" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#017299" height="1" width="492"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="492"></TD><TD bgcolor="#017299" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></TD></TR><TR><TD width="10"> </TD><TD width="484"><FONT color="#000000" face="arial,helvetica,sanserif">
|
|
|
|
<P>Below is an example that shows how to turn on schema processing in DOMParser
|
|
(default is off). Note that you must also turn on namespace support
|
|
(default is off) for schema processing.
|
|
</P>
|
|
<DIV align="left"><TABLE border="0" cellpadding="0" cellspacing="4" width="464"><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" height="1" width="462"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="462"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#ffffff" width="462"><FONT size="-1"><PRE>// Instantiate the DOM parser.
|
|
XercesDOMParser parser;
|
|
parser.setDoNamespaces(true);
|
|
parser.setDoSchema(true);
|
|
parser.parse(xmlFile);
|
|
</PRE></FONT></TD><TD bgcolor="#0086b2" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" height="1" width="462"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="462"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></DIV>
|
|
<P>Usage in SAXParser is similar, please refer to the SAXCount
|
|
sample program for further reference.
|
|
</P>
|
|
<P>Below is an example that shows how to turn on schema processing in SAX2XMLReader
|
|
(default is on). Note that namespace must be on (default is on) as well.
|
|
</P>
|
|
<DIV align="left"><TABLE border="0" cellpadding="0" cellspacing="4" width="464"><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" height="1" width="462"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="462"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#ffffff" width="462"><FONT size="-1"><PRE>SAX2XMLReader* parser = XMLReaderFactory::createXMLReader();
|
|
parser->setFeature(XMLUni::fgSAX2CoreNameSpaces, true);
|
|
parser->setFeature(XMLUni::fgXercesSchema, true);
|
|
parser->parse(xmlFile);
|
|
</PRE></FONT></TD><TD bgcolor="#0086b2" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" height="1" width="462"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="462"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></DIV>
|
|
</FONT></TD></TR></TABLE><BR>
|
|
|
|
<A name="associate"><!--anchor--></A>
|
|
<TABLE border="0" cellpadding="0" cellspacing="0" width="494"><TR><TD bgcolor="ffffff" colspan="2" width="494"><TABLE border="0" cellpadding="0" cellspacing="0" width="494"><TR><TD bgcolor="#039acc" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#039acc" height="1" width="492"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="492"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#039acc" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" width="492"><FONT color="#ffffff" face="arial,helvetica,sanserif" size="+1"><IMG border="0" height="2" hspace="0" src="resources/void.gif" vspace="0" width="2"><B>Associating Schema Grammar with instance document</B></FONT></TD><TD bgcolor="#017299" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#017299" height="1" width="492"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="492"></TD><TD bgcolor="#017299" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></TD></TR><TR><TD width="10"> </TD><TD width="484"><FONT color="#000000" face="arial,helvetica,sanserif">
|
|
<P>Schema grammars can be associated with instance documents in three ways.
|
|
</P>
|
|
|
|
<TABLE border="0" cellpadding="0" cellspacing="0" width="484"><TR><TD bgcolor="ffffff" colspan="2" width="484"><TABLE border="0" cellpadding="0" cellspacing="0" width="484"><TR><TD bgcolor="#039acc" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#039acc" height="1" width="482"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="482"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#039acc" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" width="482"><FONT color="#ffffff" face="arial,helvetica,sanserif"><IMG border="0" height="2" hspace="0" src="resources/void.gif" vspace="0" width="2"><B>Specifying Schema Grammar through attributes in the instance document</B></FONT></TD><TD bgcolor="#017299" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#017299" height="1" width="482"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="482"></TD><TD bgcolor="#017299" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></TD></TR><TR><TD width="10"> </TD><TD width="474"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">
|
|
<P>If schema grammar was not specified externally through methods,
|
|
then each instance document that uses XML Schema grammars must specify the location of
|
|
the grammars it uses by using an xsi:schemaLocation attribute if they use
|
|
namespaces, and xsi:noNamespaceSchemaLocation attribute otherwise.
|
|
</P>
|
|
<P>Here is an example with no target namespace:
|
|
</P>
|
|
<DIV align="left"><TABLE border="0" cellpadding="0" cellspacing="4" width="464"><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" height="1" width="462"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="462"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#ffffff" width="462"><FONT size="-1"><PRE><?xml version="1.0" encoding="UTF-8"?>
|
|
<personnel xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
|
xsi:noNamespaceSchemaLocation='personal.xsd'>
|
|
...
|
|
</personnel>
|
|
</PRE></FONT></TD><TD bgcolor="#0086b2" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" height="1" width="462"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="462"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></DIV>
|
|
<P>Here is an example with a target namespace. Note that it is an error to specify a
|
|
different namespace in xsi:schemaLocation attribute than the target namespace
|
|
defined in the Schema.
|
|
</P>
|
|
<DIV align="left"><TABLE border="0" cellpadding="0" cellspacing="4" width="464"><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" height="1" width="462"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="462"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#ffffff" width="462"><FONT size="-1"><PRE><?xml version="1.0" encoding="UTF-8"?>
|
|
<personnel xmlns="http://my.com"
|
|
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
|
xsi:schemaLocation="http://my.com personal.xsd http://my2.com test2.xsd">
|
|
...
|
|
</personnel>
|
|
</PRE></FONT></TD><TD bgcolor="#0086b2" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" height="1" width="462"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="462"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></DIV>
|
|
</FONT></TD></TR></TABLE><BR>
|
|
|
|
<TABLE border="0" cellpadding="0" cellspacing="0" width="484"><TR><TD bgcolor="ffffff" colspan="2" width="484"><TABLE border="0" cellpadding="0" cellspacing="0" width="484"><TR><TD bgcolor="#039acc" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#039acc" height="1" width="482"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="482"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#039acc" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" width="482"><FONT color="#ffffff" face="arial,helvetica,sanserif"><IMG border="0" height="2" hspace="0" src="resources/void.gif" vspace="0" width="2"><B>Specifying Schema Grammar through method calls</B></FONT></TD><TD bgcolor="#017299" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#017299" height="1" width="482"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="482"></TD><TD bgcolor="#017299" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></TD></TR><TR><TD width="10"> </TD><TD width="474"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">
|
|
<P>An application developer may associate schemas with instance documents through
|
|
methods <CODE><FONT face="courier, monospaced">setExternalSchemaLocation</FONT></CODE> if they use namespaces, and
|
|
<CODE><FONT face="courier, monospaced">setExternalNoNamespaceSchemaLocation</FONT></CODE> otherwise.
|
|
(For SAX2XMLReader, use the properties:
|
|
"http://apache.org/xml/properties/schema/external-schemaLocation" and
|
|
"http://apache.org/xml/properties/schema/external-noNamespaceSchemaLocation")
|
|
</P>
|
|
<P>Here is an example with no target namespace:
|
|
</P>
|
|
<DIV align="left"><TABLE border="0" cellpadding="0" cellspacing="4" width="464"><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" height="1" width="462"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="462"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#ffffff" width="462"><FONT size="-1"><PRE>
|
|
// Instantiate the DOM parser.
|
|
XercesDOMParser parser;
|
|
parser.setDoNamespaces(true);
|
|
parser.setDoSchema(true);
|
|
parser.setExternalNoNamespaceSchemaLocation("personal.xsd");
|
|
parser.parse("test.xml");
|
|
|
|
// Instantiate the SAX2 XMLReader.
|
|
SAX2XMLReader* parser = XMLReaderFactory::createXMLReader();
|
|
XMLCh* propertyValue = XMLString::transcode("personal.xsd");
|
|
ArrayJanitor<XMLCh> janValue(propertyValue);
|
|
|
|
parser->setProperty(
|
|
XMLUni::fgXercesSchemaExternalNoNameSpaceSchemaLocation,
|
|
propertyValue);
|
|
parser.parse("test.xml");
|
|
</PRE></FONT></TD><TD bgcolor="#0086b2" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" height="1" width="462"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="462"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></DIV>
|
|
|
|
<P>Here is an example with a target namespace. Note that it is an error to specify a
|
|
different namespace in <CODE><FONT face="courier, monospaced">setExternalSchemaLocation</FONT></CODE> than the target
|
|
namespace defined in the Schema.
|
|
</P>
|
|
<DIV align="left"><TABLE border="0" cellpadding="0" cellspacing="4" width="464"><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" height="1" width="462"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="462"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#ffffff" width="462"><FONT size="-1"><PRE>
|
|
// Instantiate the DOM parser.
|
|
XercesDOMParser parser;
|
|
parser.setDoNamespaces(true);
|
|
parser.setDoSchema(true);
|
|
parser.setExternalSchemaLocation(
|
|
"http://my.com personal.xsd http://my2.com test2.xsd");
|
|
parser.parse("test.xml");
|
|
|
|
// Instantiate the SAX2 XMLReader.
|
|
SAX2XMLReader* parser = XMLReaderFactory::createXMLReader();
|
|
XMLCh* propertyValue = XMLString::transcode(
|
|
"http://my.com personal.xsd http://my2.com test2.xsd");
|
|
ArrayJanitor<XMLCh> janValue(propertyValue);
|
|
|
|
parser->setProperty(
|
|
XMLUni::fgXercesSchemaExternalSchemaLocation,
|
|
propertyValue);
|
|
parser.parse("test.xml");
|
|
</PRE></FONT></TD><TD bgcolor="#0086b2" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" height="1" width="462"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="462"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></DIV>
|
|
</FONT></TD></TR></TABLE><BR>
|
|
|
|
<TABLE border="0" cellpadding="0" cellspacing="0" width="484"><TR><TD bgcolor="ffffff" colspan="2" width="484"><TABLE border="0" cellpadding="0" cellspacing="0" width="484"><TR><TD bgcolor="#039acc" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#039acc" height="1" width="482"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="482"></TD><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#039acc" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#0086b2" width="482"><FONT color="#ffffff" face="arial,helvetica,sanserif"><IMG border="0" height="2" hspace="0" src="resources/void.gif" vspace="0" width="2"><B>Pre-parsing and Caching Schema Grammar</B></FONT></TD><TD bgcolor="#017299" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR><TR><TD bgcolor="#0086b2" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD><TD bgcolor="#017299" height="1" width="482"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="482"></TD><TD bgcolor="#017299" height="1" width="1"><IMG border="0" height="1" hspace="0" src="resources/void.gif" vspace="0" width="1"></TD></TR></TABLE></TD></TR><TR><TD width="10"> </TD><TD width="474"><FONT color="#000000" face="arial,helvetica,sanserif" size="-1">
|
|
<P>An application developer may also pre-parse and
|
|
cache the grammar corresponding to the XML document
|
|
namespace as described in the
|
|
<A href="program-others-3.html#GrammarCache">Pre-parsing
|
|
Grammar and Grammar Caching</A> section of the
|
|
Xerces-C++ Programming Guide.</P>
|
|
</FONT></TD></TR></TABLE><BR>
|
|
</FONT></TD></TR></TABLE><BR>
|
|
</TD></TR></TABLE></TD></TR></TABLE><BR><TABLE border="0" cellpadding="0" cellspacing="0" width="620"><TR><TD bgcolor="#0086b2"><IMG height="1" src="resources/dot.gif" width="1"></TD></TR><TR><TD align="center"><FONT color="#0086b2" size="-1"><I>
|
|
Copyright © 1999-2015 The Apache Software Foundation.
|
|
All Rights Reserved.
|
|
</I></FONT></TD></TR></TABLE></BODY></HTML>
|