GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘ޝpß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Аè•m"сœn|@›U¶ÆÎž—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X ÓØ)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oа^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
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<title>pattern: pattern expression handling</title>
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<th width="100%" align="center">libxml2 Reference Manual</th>
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<h2><span class="refentrytitle">pattern</span></h2>
<p>pattern - pattern expression handling</p>
<p>allows to compile and test pattern expressions for nodes either in a tree or based on a parser state. </p>
<p>Author(s): Daniel Veillard </p>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<pre class="synopsis">typedef struct _xmlPattern <a href="#xmlPattern">xmlPattern</a>;
typedef enum <a href="#xmlPatternFlags">xmlPatternFlags</a>;
typedef <a href="libxml2-pattern.html#xmlPattern">xmlPattern</a> * <a href="#xmlPatternPtr">xmlPatternPtr</a>;
typedef struct _xmlStreamCtxt <a href="#xmlStreamCtxt">xmlStreamCtxt</a>;
typedef <a href="libxml2-pattern.html#xmlStreamCtxt">xmlStreamCtxt</a> * <a href="#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a>;
void	<a href="#xmlFreePattern">xmlFreePattern</a>			(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp);
void	<a href="#xmlFreePatternList">xmlFreePatternList</a>		(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp);
void	<a href="#xmlFreeStreamCtxt">xmlFreeStreamCtxt</a>		(<a href="libxml2-pattern.html#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a> stream);
int	<a href="#xmlPatternFromRoot">xmlPatternFromRoot</a>		(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp);
<a href="libxml2-pattern.html#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a>	<a href="#xmlPatternGetStreamCtxt">xmlPatternGetStreamCtxt</a>	(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp);
int	<a href="#xmlPatternMatch">xmlPatternMatch</a>			(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp, <br>					 <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> node);
int	<a href="#xmlPatternMaxDepth">xmlPatternMaxDepth</a>		(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp);
int	<a href="#xmlPatternMinDepth">xmlPatternMinDepth</a>		(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp);
int	<a href="#xmlPatternStreamable">xmlPatternStreamable</a>		(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp);
<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a>	<a href="#xmlPatterncompile">xmlPatterncompile</a>	(const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * pattern, <br>					 <a href="libxml2-dict.html#xmlDict">xmlDict</a> * dict, <br>					 int flags, <br>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** namespaces);
int	<a href="#xmlStreamPop">xmlStreamPop</a>			(<a href="libxml2-pattern.html#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a> stream);
int	<a href="#xmlStreamPush">xmlStreamPush</a>			(<a href="libxml2-pattern.html#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a> stream, <br>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ns);
int	<a href="#xmlStreamPushAttr">xmlStreamPushAttr</a>		(<a href="libxml2-pattern.html#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a> stream, <br>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ns);
int	<a href="#xmlStreamPushNode">xmlStreamPushNode</a>		(<a href="libxml2-pattern.html#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a> stream, <br>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ns, <br>					 int nodeType);
int	<a href="#xmlStreamWantsAnyNode">xmlStreamWantsAnyNode</a>		(<a href="libxml2-pattern.html#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a> streamCtxt);
</pre>
</div>
<div class="refsect1" lang="en"><h2>Description</h2></div>
<div class="refsect1" lang="en">
<h2>Details</h2>
<div class="refsect2" lang="en">
<div class="refsect2" lang="en">
<h3>
<a name="xmlPattern">Structure </a>xmlPattern</h3>
<pre class="programlisting">struct _xmlPattern {
The content of this structure is not made public by the API.
} xmlPattern;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlPatternFlags">Enum </a>xmlPatternFlags</h3>
<pre class="programlisting">enum <a href="#xmlPatternFlags">xmlPatternFlags</a> {
    <a name="XML_PATTERN_DEFAULT">XML_PATTERN_DEFAULT</a> = 0 /* simple pattern match */
    <a name="XML_PATTERN_XPATH">XML_PATTERN_XPATH</a> = 1 /* standard XPath pattern */
    <a name="XML_PATTERN_XSSEL">XML_PATTERN_XSSEL</a> = 2 /* XPath subset for schema selector */
    <a name="XML_PATTERN_XSFIELD">XML_PATTERN_XSFIELD</a> = 4 /*  XPath subset for schema field */
};
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlPatternPtr">Typedef </a>xmlPatternPtr</h3>
<pre class="programlisting"><a href="libxml2-pattern.html#xmlPattern">xmlPattern</a> * xmlPatternPtr;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlStreamCtxt">Structure </a>xmlStreamCtxt</h3>
<pre class="programlisting">struct _xmlStreamCtxt {
The content of this structure is not made public by the API.
} xmlStreamCtxt;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlStreamCtxtPtr">Typedef </a>xmlStreamCtxtPtr</h3>
<pre class="programlisting"><a href="libxml2-pattern.html#xmlStreamCtxt">xmlStreamCtxt</a> * xmlStreamCtxtPtr;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlFreePattern"></a>xmlFreePattern ()</h3>
<pre class="programlisting">void	xmlFreePattern			(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp)<br>
</pre>
<p>Free up the memory allocated by @comp</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>comp</tt></i>:</span></td>
<td>an XSLT comp</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlFreePatternList"></a>xmlFreePatternList ()</h3>
<pre class="programlisting">void	xmlFreePatternList		(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp)<br>
</pre>
<p>Free up the memory allocated by all the elements of @comp</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>comp</tt></i>:</span></td>
<td>an XSLT comp list</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlFreeStreamCtxt"></a>xmlFreeStreamCtxt ()</h3>
<pre class="programlisting">void	xmlFreeStreamCtxt		(<a href="libxml2-pattern.html#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a> stream)<br>
</pre>
<p>Free the stream context</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>stream</tt></i>:</span></td>
<td>the stream context</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlPatternFromRoot"></a>xmlPatternFromRoot ()</h3>
<pre class="programlisting">int	xmlPatternFromRoot		(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp)<br>
</pre>
<p>Check if the pattern must be looked at from the root.</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>comp</tt></i>:</span></td>
<td>the precompiled pattern</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>1 if true, 0 if false and -1 in case of error</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlPatternGetStreamCtxt"></a>xmlPatternGetStreamCtxt ()</h3>
<pre class="programlisting"><a href="libxml2-pattern.html#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a>	xmlPatternGetStreamCtxt	(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp)<br>
</pre>
<p>Get a streaming context for that pattern Use <a href="libxml2-pattern.html#xmlFreeStreamCtxt">xmlFreeStreamCtxt</a> to free the context.</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>comp</tt></i>:</span></td>
<td>the precompiled pattern</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>a pointer to the context or NULL in case of failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlPatternMatch"></a>xmlPatternMatch ()</h3>
<pre class="programlisting">int	xmlPatternMatch			(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp, <br>					 <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> node)<br>
</pre>
<p>Test whether the node matches the pattern</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>comp</tt></i>:</span></td>
<td>the precompiled pattern</td>
</tr>
<tr>
<td><span class="term"><i><tt>node</tt></i>:</span></td>
<td>a node</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>1 if it matches, 0 if it doesn't and -1 in case of failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlPatternMaxDepth"></a>xmlPatternMaxDepth ()</h3>
<pre class="programlisting">int	xmlPatternMaxDepth		(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp)<br>
</pre>
<p>Check the maximum depth reachable by a pattern</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>comp</tt></i>:</span></td>
<td>the precompiled pattern</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>-2 if no limit (using //), otherwise the depth, and -1 in case of error</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlPatternMinDepth"></a>xmlPatternMinDepth ()</h3>
<pre class="programlisting">int	xmlPatternMinDepth		(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp)<br>
</pre>
<p>Check the minimum depth reachable by a pattern, 0 mean the / or . are part of the set.</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>comp</tt></i>:</span></td>
<td>the precompiled pattern</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>-1 in case of error otherwise the depth,</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlPatternStreamable"></a>xmlPatternStreamable ()</h3>
<pre class="programlisting">int	xmlPatternStreamable		(<a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a> comp)<br>
</pre>
<p>Check if the pattern is streamable i.e. xmlPatternGetStreamCtxt() should work.</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>comp</tt></i>:</span></td>
<td>the precompiled pattern</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>1 if streamable, 0 if not and -1 in case of error.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlPatterncompile"></a>xmlPatterncompile ()</h3>
<pre class="programlisting"><a href="libxml2-pattern.html#xmlPatternPtr">xmlPatternPtr</a>	xmlPatterncompile	(const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * pattern, <br>					 <a href="libxml2-dict.html#xmlDict">xmlDict</a> * dict, <br>					 int flags, <br>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** namespaces)<br>
</pre>
<p>Compile a pattern.</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>pattern</tt></i>:</span></td>
<td>the pattern to compile</td>
</tr>
<tr>
<td><span class="term"><i><tt>dict</tt></i>:</span></td>
<td>an optional dictionary for interned strings</td>
</tr>
<tr>
<td><span class="term"><i><tt>flags</tt></i>:</span></td>
<td>compilation flags, see <a href="libxml2-pattern.html#xmlPatternFlags">xmlPatternFlags</a>
</td>
</tr>
<tr>
<td><span class="term"><i><tt>namespaces</tt></i>:</span></td>
<td>the prefix definitions, array of [URI, prefix] or NULL</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>the compiled form of the pattern or NULL in case of error</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlStreamPop"></a>xmlStreamPop ()</h3>
<pre class="programlisting">int	xmlStreamPop			(<a href="libxml2-pattern.html#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a> stream)<br>
</pre>
<p>push one level from the stream.</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>stream</tt></i>:</span></td>
<td>the stream context</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>-1 in case of error, 0 otherwise.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlStreamPush"></a>xmlStreamPush ()</h3>
<pre class="programlisting">int	xmlStreamPush			(<a href="libxml2-pattern.html#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a> stream, <br>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ns)<br>
</pre>
<p>Push new data onto the stream. NOTE: if the call xmlPatterncompile() indicated a dictionary, then strings for name and ns will be expected to come from the dictionary. Both @name and @ns being NULL means the / i.e. the root of the document. This can also act as a reset. Otherwise the function will act as if it has been given an element-node.</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>stream</tt></i>:</span></td>
<td>the stream context</td>
</tr>
<tr>
<td><span class="term"><i><tt>name</tt></i>:</span></td>
<td>the current name</td>
</tr>
<tr>
<td><span class="term"><i><tt>ns</tt></i>:</span></td>
<td>the namespace name</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>-1 in case of error, 1 if the current state in the stream is a match and 0 otherwise.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlStreamPushAttr"></a>xmlStreamPushAttr ()</h3>
<pre class="programlisting">int	xmlStreamPushAttr		(<a href="libxml2-pattern.html#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a> stream, <br>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ns)<br>
</pre>
<p>Push new <a href="libxml2-SAX.html#attribute">attribute</a> data onto the stream. NOTE: if the call xmlPatterncompile() indicated a dictionary, then strings for name and ns will be expected to come from the dictionary. Both @name and @ns being NULL means the / i.e. the root of the document. This can also act as a reset. Otherwise the function will act as if it has been given an attribute-node.</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>stream</tt></i>:</span></td>
<td>the stream context</td>
</tr>
<tr>
<td><span class="term"><i><tt>name</tt></i>:</span></td>
<td>the current name</td>
</tr>
<tr>
<td><span class="term"><i><tt>ns</tt></i>:</span></td>
<td>the namespace name</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>-1 in case of error, 1 if the current state in the stream is a match and 0 otherwise.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlStreamPushNode"></a>xmlStreamPushNode ()</h3>
<pre class="programlisting">int	xmlStreamPushNode		(<a href="libxml2-pattern.html#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a> stream, <br>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ns, <br>					 int nodeType)<br>
</pre>
<p>Push new data onto the stream. NOTE: if the call xmlPatterncompile() indicated a dictionary, then strings for name and ns will be expected to come from the dictionary. Both @name and @ns being NULL means the / i.e. the root of the document. This can also act as a reset. Different from xmlStreamPush() this function can be fed with nodes of type: element-, attribute-, text-, cdata-section-, comment- and processing-instruction-node.</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>stream</tt></i>:</span></td>
<td>the stream context</td>
</tr>
<tr>
<td><span class="term"><i><tt>name</tt></i>:</span></td>
<td>the current name</td>
</tr>
<tr>
<td><span class="term"><i><tt>ns</tt></i>:</span></td>
<td>the namespace name</td>
</tr>
<tr>
<td><span class="term"><i><tt>nodeType</tt></i>:</span></td>
<td>the type of the node being pushed</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>-1 in case of error, 1 if the current state in the stream is a match and 0 otherwise.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlStreamWantsAnyNode"></a>xmlStreamWantsAnyNode ()</h3>
<pre class="programlisting">int	xmlStreamWantsAnyNode		(<a href="libxml2-pattern.html#xmlStreamCtxtPtr">xmlStreamCtxtPtr</a> streamCtxt)<br>
</pre>
<p>Query if the streaming pattern additionally needs to be fed with text-, cdata-section-, comment- and processing-instruction-nodes. If the result is 0 then only element-nodes and attribute-nodes need to be pushed.</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>streamCtxt</tt></i>:</span></td>
<td>the stream context</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>1 in case of need of nodes of the above described types, 0 otherwise. -1 on API errors.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
</div>
</div>
</body>
</html>

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