/**
?****************************************************************************
?*?
?xml.c?-?implementation?file?for?basic?xml?parser?written?in?ANSI?C++
?*?for?portability.?It?works?by?using?recursion?and?a?node?tree?for?breaking
?*?down?the?elements?of?an?xml?document.??

?*
?*?@version?????V2.39
?*?@author??????Frank?Vanden?Berghen
?*
?*?NOTE:
?*
?*???If?you?add?“#define?STRICT_PARSING“?on?the?first?line?of?this?file
?*???the?parser?will?see?the?following?xml-stream:
?*??????some?textother?text????
?*???as?an?error.?Otherwise?this?tring?will?be?equivalent?to:
?*??????some?textother?text
?*
?*?NOTE:
?*
?*???If?you?add?“#define?APPROXIMATE_PARSING“?on?the?first?line?of?this?file
?*???the?parser?will?see?the?following?xml-stream:
?*?????
?*?????
?*?????
?*???as?equivalent?to?the?following?xml-stream:
?*?????
?*?????
?*?????
?*???This?can?be?useful?for?badly-formed?xml-streams?but?prevent?the?use
?*???of?the?following?xml-stream?（problem?is:?tags?at?contiguous?levels
?*???have?the?same?names）:
?*?????
?*????????
?*????????????
?*????????
?*?????
?*
?*?NOTE:
?*
?*???If?you?add?“#define?_xmlPARSER_NO_MESSAGEBOX_“?on?the?first?line?of?this?file
?*???the?“openFileHelper“?function?will?always?display?error?messages?inside?the
?*???console?instead?of?inside?a?message-box-window.?Message-box-windows?are
?*???available?on?windows?9x/NT/2000/XP/Vista?only.
?*
?*?Copyright?（c）?2002?Frank?Vanden?Berghen
?*?All?rights?reserved.
?*
?*?The?following?license?terms?apply?to?projects?that?are?in?some?way?related?to
?*?the?“ZeroMQ?project“?including?applications
?*?using?“ZeroMQ?project“?and?tools?developed
?*?for?enhancing?“ZeroMQ?project“.?All?other?projects
?*?（not?related?to?“ZeroMQ?project“）?have?to?use?this
?*?code?under?the?Aladdin?Free?Public?License?（AFPL）
?*?See?the?file?“AFPL-license.txt“?for?more?informations?about?the?AFPL?license.
?*?（see?http://www.artifex.com/downloads/doc/Public.htm?for?detailed?AFPL?terms）
?*
?*?Redistribution?and?use?in?source?and?binary?forms?with?or?without
?*?modification?are?permitted?provided?that?the?following?conditions?are?met:
?*?????*?Redistributions?of?source?code?must?retain?the?above?copyright
?*???????notice?this?list?of?conditions?and?the?following?disclaimer.
?*?????*?Redistributions?in?binary?form?must?reproduce?the?above?copyright
?*???????notice?this?list?of?conditions?and?the?following?disclaimer?in?the
?*???????documentation?and/or?other?materials?provided?with?the?distribution.
?*?????*?Neither?the?name?of?Frank?Vanden?Berghen?nor?the
?*???????names?of?its?contributors?may?be?used?to?endorse?or?promote?products
?*???????derived?from?this?software?without?specific?prior?written?permission.
?*
?*?THIS?SOFTWARE?IS?PROVIDED?BY?Frank?Vanden?Berghen?‘‘AS?IS‘‘?AND?ANY
?*?EXPRESS?OR?IMPLIED?WARRANTI