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! 35: <th width="100%" align="center">libxml2 Reference Manual</th>
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! 38: <h2>
! 39: <span class="refentrytitle">xmlregexp</span>
! 40: </h2>
! 41: <p>xmlregexp - regular expressions handling</p>
! 42: <p>basic API for libxml regular expressions handling used for XML Schemas and validation. </p>
! 43: <p>Author(s): Daniel Veillard </p>
! 44: <div class="refsynopsisdiv">
! 45: <h2>Synopsis</h2>
! 46: <pre class="synopsis">typedef <a href="libxml2-xmlregexp.html#xmlRegExecCtxt">xmlRegExecCtxt</a> * <a href="#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a>;
! 47: typedef struct _xmlExpCtxt <a href="#xmlExpCtxt">xmlExpCtxt</a>;
! 48: typedef <a href="libxml2-xmlregexp.html#xmlExpNode">xmlExpNode</a> * <a href="#xmlExpNodePtr">xmlExpNodePtr</a>;
! 49: typedef <a href="libxml2-xmlregexp.html#xmlExpCtxt">xmlExpCtxt</a> * <a href="#xmlExpCtxtPtr">xmlExpCtxtPtr</a>;
! 50: typedef enum <a href="#xmlExpNodeType">xmlExpNodeType</a>;
! 51: typedef struct _xmlRegExecCtxt <a href="#xmlRegExecCtxt">xmlRegExecCtxt</a>;
! 52: typedef struct _xmlExpNode <a href="#xmlExpNode">xmlExpNode</a>;
! 53: typedef struct _xmlRegexp <a href="#xmlRegexp">xmlRegexp</a>;
! 54: typedef <a href="libxml2-xmlregexp.html#xmlRegexp">xmlRegexp</a> * <a href="#xmlRegexpPtr">xmlRegexpPtr</a>;
! 55: typedef void <a href="#xmlRegExecCallbacks">xmlRegExecCallbacks</a> (<a href="libxml2-xmlregexp.html#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a> exec, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * token, <br/> void * transdata, <br/> void * inputdata);
! 56: <a href="libxml2-xmlregexp.html#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a> <a href="#xmlRegNewExecCtxt">xmlRegNewExecCtxt</a> (<a href="libxml2-xmlregexp.html#xmlRegexpPtr">xmlRegexpPtr</a> comp, <br/> <a href="libxml2-xmlregexp.html#xmlRegExecCallbacks">xmlRegExecCallbacks</a> callback, <br/> void * data);
! 57: <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> <a href="#xmlExpNewOr">xmlExpNewOr</a> (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> left, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> right);
! 58: void <a href="#xmlRegFreeRegexp">xmlRegFreeRegexp</a> (<a href="libxml2-xmlregexp.html#xmlRegexpPtr">xmlRegexpPtr</a> regexp);
! 59: void <a href="#xmlExpRef">xmlExpRef</a> (<a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp);
! 60: int <a href="#xmlRegexpIsDeterminist">xmlRegexpIsDeterminist</a> (<a href="libxml2-xmlregexp.html#xmlRegexpPtr">xmlRegexpPtr</a> comp);
! 61: int <a href="#xmlRegExecErrInfo">xmlRegExecErrInfo</a> (<a href="libxml2-xmlregexp.html#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a> exec, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** string, <br/> int * nbval, <br/> int * nbneg, <br/> <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** values, <br/> int * terminal);
! 62: void <a href="#xmlRegFreeExecCtxt">xmlRegFreeExecCtxt</a> (<a href="libxml2-xmlregexp.html#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a> exec);
! 63: int <a href="#xmlExpCtxtNbCons">xmlExpCtxtNbCons</a> (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt);
! 64: int <a href="#xmlExpSubsume">xmlExpSubsume</a> (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> sub);
! 65: int <a href="#xmlRegExecPushString2">xmlRegExecPushString2</a> (<a href="libxml2-xmlregexp.html#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a> exec, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * value, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * value2, <br/> void * data);
! 66: int <a href="#xmlRegExecNextValues">xmlRegExecNextValues</a> (<a href="libxml2-xmlregexp.html#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a> exec, <br/> int * nbval, <br/> int * nbneg, <br/> <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** values, <br/> int * terminal);
! 67: <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> <a href="#xmlExpExpDerive">xmlExpExpDerive</a> (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> sub);
! 68: int <a href="#xmlExpIsNillable">xmlExpIsNillable</a> (<a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp);
! 69: void <a href="#xmlExpFreeCtxt">xmlExpFreeCtxt</a> (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt);
! 70: void <a href="#xmlExpDump">xmlExpDump</a> (<a href="libxml2-tree.html#xmlBufferPtr">xmlBufferPtr</a> buf, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> expr);
! 71: <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> <a href="#xmlExpNewSeq">xmlExpNewSeq</a> (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> left, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> right);
! 72: void <a href="#xmlExpFree">xmlExpFree</a> (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp);
! 73: <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> <a href="#xmlExpNewRange">xmlExpNewRange</a> (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> subset, <br/> int min, <br/> int max);
! 74: <a href="libxml2-xmlregexp.html#xmlRegexpPtr">xmlRegexpPtr</a> <a href="#xmlRegexpCompile">xmlRegexpCompile</a> (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * regexp);
! 75: <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> <a href="#xmlExpNewAtom">xmlExpNewAtom</a> (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br/> int len);
! 76: int <a href="#xmlRegexpExec">xmlRegexpExec</a> (<a href="libxml2-xmlregexp.html#xmlRegexpPtr">xmlRegexpPtr</a> comp, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * content);
! 77: int <a href="#xmlRegExecPushString">xmlRegExecPushString</a> (<a href="libxml2-xmlregexp.html#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a> exec, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * value, <br/> void * data);
! 78: int <a href="#xmlExpGetStart">xmlExpGetStart</a> (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** tokList, <br/> int len);
! 79: <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> <a href="#xmlExpParse">xmlExpParse</a> (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> const char * expr);
! 80: <a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> <a href="#xmlExpNewCtxt">xmlExpNewCtxt</a> (int maxNodes, <br/> <a href="libxml2-dict.html#xmlDictPtr">xmlDictPtr</a> dict);
! 81: int <a href="#xmlExpGetLanguage">xmlExpGetLanguage</a> (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** langList, <br/> int len);
! 82: <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> <a href="#xmlExpStringDerive">xmlExpStringDerive</a> (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * str, <br/> int len);
! 83: int <a href="#xmlExpCtxtNbNodes">xmlExpCtxtNbNodes</a> (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt);
! 84: int <a href="#xmlExpMaxToken">xmlExpMaxToken</a> (<a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> expr);
! 85: void <a href="#xmlRegexpPrint">xmlRegexpPrint</a> (FILE * output, <br/> <a href="libxml2-xmlregexp.html#xmlRegexpPtr">xmlRegexpPtr</a> regexp);
! 86: </pre>
! 87: </div>
! 88: <div class="refsect1" lang="en">
! 89: <h2>Description</h2>
! 90: </div>
! 91: <div class="refsect1" lang="en">
! 92: <h2>Details</h2>
! 93: <div class="refsect2" lang="en">
! 94: <div class="refsect2" lang="en"><h3><a name="xmlExpCtxt">Structure </a>xmlExpCtxt</h3><pre class="programlisting">struct _xmlExpCtxt {
! 95: The content of this structure is not made public by the API.
! 96: } xmlExpCtxt;
! 97: </pre><p/>
! 98: </div>
! 99: <hr/>
! 100: <div class="refsect2" lang="en"><h3><a name="xmlExpCtxtPtr">Typedef </a>xmlExpCtxtPtr</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlExpCtxt">xmlExpCtxt</a> * xmlExpCtxtPtr;
! 101: </pre><p/>
! 102: </div>
! 103: <hr/>
! 104: <div class="refsect2" lang="en"><h3><a name="xmlExpNode">Structure </a>xmlExpNode</h3><pre class="programlisting">struct _xmlExpNode {
! 105: The content of this structure is not made public by the API.
! 106: } xmlExpNode;
! 107: </pre><p/>
! 108: </div>
! 109: <hr/>
! 110: <div class="refsect2" lang="en"><h3><a name="xmlExpNodePtr">Typedef </a>xmlExpNodePtr</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlExpNode">xmlExpNode</a> * xmlExpNodePtr;
! 111: </pre><p/>
! 112: </div>
! 113: <hr/>
! 114: <div class="refsect2" lang="en"><h3><a name="xmlExpNodeType">Enum </a>xmlExpNodeType</h3><pre class="programlisting">enum <a href="#xmlExpNodeType">xmlExpNodeType</a> {
! 115: <a name="XML_EXP_EMPTY">XML_EXP_EMPTY</a> = 0
! 116: <a name="XML_EXP_FORBID">XML_EXP_FORBID</a> = 1
! 117: <a name="XML_EXP_ATOM">XML_EXP_ATOM</a> = 2
! 118: <a name="XML_EXP_SEQ">XML_EXP_SEQ</a> = 3
! 119: <a name="XML_EXP_OR">XML_EXP_OR</a> = 4
! 120: <a name="XML_EXP_COUNT">XML_EXP_COUNT</a> = 5
! 121: };
! 122: </pre><p/>
! 123: </div>
! 124: <hr/>
! 125: <div class="refsect2" lang="en"><h3><a name="xmlRegExecCtxt">Structure </a>xmlRegExecCtxt</h3><pre class="programlisting">struct _xmlRegExecCtxt {
! 126: The content of this structure is not made public by the API.
! 127: } xmlRegExecCtxt;
! 128: </pre><p/>
! 129: </div>
! 130: <hr/>
! 131: <div class="refsect2" lang="en"><h3><a name="xmlRegExecCtxtPtr">Typedef </a>xmlRegExecCtxtPtr</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlRegExecCtxt">xmlRegExecCtxt</a> * xmlRegExecCtxtPtr;
! 132: </pre><p>A libxml progressive regular expression evaluation context</p>
! 133: </div>
! 134: <hr/>
! 135: <div class="refsect2" lang="en"><h3><a name="xmlRegexp">Structure </a>xmlRegexp</h3><pre class="programlisting">struct _xmlRegexp {
! 136: The content of this structure is not made public by the API.
! 137: } xmlRegexp;
! 138: </pre><p/>
! 139: </div>
! 140: <hr/>
! 141: <div class="refsect2" lang="en"><h3><a name="xmlRegexpPtr">Typedef </a>xmlRegexpPtr</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlRegexp">xmlRegexp</a> * xmlRegexpPtr;
! 142: </pre><p>A libxml regular expression, they can actually be far more complex thank the POSIX regex expressions.</p>
! 143: </div>
! 144: <hr/>
! 145: <div class="refsect2" lang="en"><h3><a name="xmlRegExecCallbacks"/>Function type xmlRegExecCallbacks</h3><pre class="programlisting">void xmlRegExecCallbacks (<a href="libxml2-xmlregexp.html#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a> exec, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * token, <br/> void * transdata, <br/> void * inputdata)<br/>
! 146: </pre><p>Callback function when doing a transition in the automata</p>
! 147: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>exec</tt></i>:</span></td><td>the regular expression context</td></tr><tr><td><span class="term"><i><tt>token</tt></i>:</span></td><td>the current token string</td></tr><tr><td><span class="term"><i><tt>transdata</tt></i>:</span></td><td>transition data</td></tr><tr><td><span class="term"><i><tt>inputdata</tt></i>:</span></td><td>input data</td></tr></tbody></table></div></div>
! 148: <hr/>
! 149: <div class="refsect2" lang="en"><h3><a name="emptyExp">Variable </a>emptyExp</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> emptyExp;
! 150: </pre><p/>
! 151: </div>
! 152: <hr/>
! 153: <div class="refsect2" lang="en"><h3><a name="forbiddenExp">Variable </a>forbiddenExp</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> forbiddenExp;
! 154: </pre><p/>
! 155: </div>
! 156: <hr/>
! 157: <div class="refsect2" lang="en"><h3><a name="xmlExpCtxtNbCons"/>xmlExpCtxtNbCons ()</h3><pre class="programlisting">int xmlExpCtxtNbCons (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt)<br/>
! 158: </pre><p>Debugging facility provides the number of allocated nodes over lifetime</p>
! 159: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>an expression context</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of nodes ever allocated or -1 in case of error</td></tr></tbody></table></div></div>
! 160: <hr/>
! 161: <div class="refsect2" lang="en"><h3><a name="xmlExpCtxtNbNodes"/>xmlExpCtxtNbNodes ()</h3><pre class="programlisting">int xmlExpCtxtNbNodes (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt)<br/>
! 162: </pre><p>Debugging facility provides the number of allocated nodes at a that point</p>
! 163: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>an expression context</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of nodes in use or -1 in case of error</td></tr></tbody></table></div></div>
! 164: <hr/>
! 165: <div class="refsect2" lang="en"><h3><a name="xmlExpDump"/>xmlExpDump ()</h3><pre class="programlisting">void xmlExpDump (<a href="libxml2-tree.html#xmlBufferPtr">xmlBufferPtr</a> buf, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> expr)<br/>
! 166: </pre><p>Serialize the expression as compiled to the buffer</p>
! 167: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>buf</tt></i>:</span></td><td>a buffer to receive the output</td></tr><tr><td><span class="term"><i><tt>expr</tt></i>:</span></td><td>the compiled expression</td></tr></tbody></table></div></div>
! 168: <hr/>
! 169: <div class="refsect2" lang="en"><h3><a name="xmlExpExpDerive"/>xmlExpExpDerive ()</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> xmlExpExpDerive (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> sub)<br/>
! 170: </pre><p>Evaluates the expression resulting from @exp consuming a sub expression @sub Based on algebraic derivation and sometimes direct Brzozowski derivation it usually tatkes less than linear time and can handle expressions generating infinite languages.</p>
! 171: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the expressions context</td></tr><tr><td><span class="term"><i><tt>exp</tt></i>:</span></td><td>the englobing expression</td></tr><tr><td><span class="term"><i><tt>sub</tt></i>:</span></td><td>the subexpression</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the resulting expression or NULL in case of internal error, the result must be freed</td></tr></tbody></table></div></div>
! 172: <hr/>
! 173: <div class="refsect2" lang="en"><h3><a name="xmlExpFree"/>xmlExpFree ()</h3><pre class="programlisting">void xmlExpFree (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp)<br/>
! 174: </pre><p>Dereference the expression</p>
! 175: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the expression context</td></tr><tr><td><span class="term"><i><tt>exp</tt></i>:</span></td><td>the expression</td></tr></tbody></table></div></div>
! 176: <hr/>
! 177: <div class="refsect2" lang="en"><h3><a name="xmlExpFreeCtxt"/>xmlExpFreeCtxt ()</h3><pre class="programlisting">void xmlExpFreeCtxt (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt)<br/>
! 178: </pre><p>Free an expression context</p>
! 179: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>an expression context</td></tr></tbody></table></div></div>
! 180: <hr/>
! 181: <div class="refsect2" lang="en"><h3><a name="xmlExpGetLanguage"/>xmlExpGetLanguage ()</h3><pre class="programlisting">int xmlExpGetLanguage (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** langList, <br/> int len)<br/>
! 182: </pre><p>Find all the strings used in @exp and store them in @list</p>
! 183: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the expression context</td></tr><tr><td><span class="term"><i><tt>exp</tt></i>:</span></td><td>the expression</td></tr><tr><td><span class="term"><i><tt>langList</tt></i>:</span></td><td>where to store the tokens</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the allocated lenght of @list</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of unique strings found, -1 in case of errors and -2 if there is more than @len strings</td></tr></tbody></table></div></div>
! 184: <hr/>
! 185: <div class="refsect2" lang="en"><h3><a name="xmlExpGetStart"/>xmlExpGetStart ()</h3><pre class="programlisting">int xmlExpGetStart (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** tokList, <br/> int len)<br/>
! 186: </pre><p>Find all the strings that appears at the start of the languages accepted by @exp and store them in @list. E.g. for (a, b) | c it will return the list [a, c]</p>
! 187: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the expression context</td></tr><tr><td><span class="term"><i><tt>exp</tt></i>:</span></td><td>the expression</td></tr><tr><td><span class="term"><i><tt>tokList</tt></i>:</span></td><td>where to store the tokens</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the allocated lenght of @list</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of unique strings found, -1 in case of errors and -2 if there is more than @len strings</td></tr></tbody></table></div></div>
! 188: <hr/>
! 189: <div class="refsect2" lang="en"><h3><a name="xmlExpIsNillable"/>xmlExpIsNillable ()</h3><pre class="programlisting">int xmlExpIsNillable (<a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp)<br/>
! 190: </pre><p>Finds if the expression is nillable, i.e. if it accepts the empty sequqnce</p>
! 191: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>exp</tt></i>:</span></td><td>the expression</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>1 if nillable, 0 if not and -1 in case of error</td></tr></tbody></table></div></div>
! 192: <hr/>
! 193: <div class="refsect2" lang="en"><h3><a name="xmlExpMaxToken"/>xmlExpMaxToken ()</h3><pre class="programlisting">int xmlExpMaxToken (<a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> expr)<br/>
! 194: </pre><p>Indicate the maximum number of input a expression can accept</p>
! 195: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>expr</tt></i>:</span></td><td>a compiled expression</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the maximum length or -1 in case of error</td></tr></tbody></table></div></div>
! 196: <hr/>
! 197: <div class="refsect2" lang="en"><h3><a name="xmlExpNewAtom"/>xmlExpNewAtom ()</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> xmlExpNewAtom (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br/> int len)<br/>
! 198: </pre><p>Get the atom associated to this name from that context</p>
! 199: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the expression context</td></tr><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>the atom name</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the atom name lenght in byte (or -1);</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the node or NULL in case of error</td></tr></tbody></table></div></div>
! 200: <hr/>
! 201: <div class="refsect2" lang="en"><h3><a name="xmlExpNewCtxt"/>xmlExpNewCtxt ()</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> xmlExpNewCtxt (int maxNodes, <br/> <a href="libxml2-dict.html#xmlDictPtr">xmlDictPtr</a> dict)<br/>
! 202: </pre><p>Creates a new context for manipulating expressions</p>
! 203: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>maxNodes</tt></i>:</span></td><td>the maximum number of nodes</td></tr><tr><td><span class="term"><i><tt>dict</tt></i>:</span></td><td>optional dictionnary to use internally</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the context or NULL in case of error</td></tr></tbody></table></div></div>
! 204: <hr/>
! 205: <div class="refsect2" lang="en"><h3><a name="xmlExpNewOr"/>xmlExpNewOr ()</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> xmlExpNewOr (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> left, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> right)<br/>
! 206: </pre><p>Get the atom associated to the choice @left | @right Note that @left and @right are consumed in the operation, to keep an handle on them use xmlExpRef() and use xmlExpFree() to release them, this is true even in case of failure (unless ctxt == NULL).</p>
! 207: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the expression context</td></tr><tr><td><span class="term"><i><tt>left</tt></i>:</span></td><td>left expression</td></tr><tr><td><span class="term"><i><tt>right</tt></i>:</span></td><td>right expression</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the node or NULL in case of error</td></tr></tbody></table></div></div>
! 208: <hr/>
! 209: <div class="refsect2" lang="en"><h3><a name="xmlExpNewRange"/>xmlExpNewRange ()</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> xmlExpNewRange (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> subset, <br/> int min, <br/> int max)<br/>
! 210: </pre><p>Get the atom associated to the range (@subset){@min, @max} Note that @subset is consumed in the operation, to keep an handle on it use xmlExpRef() and use xmlExpFree() to release it, this is true even in case of failure (unless ctxt == NULL).</p>
! 211: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the expression context</td></tr><tr><td><span class="term"><i><tt>subset</tt></i>:</span></td><td>the expression to be repeated</td></tr><tr><td><span class="term"><i><tt>min</tt></i>:</span></td><td>the lower bound for the repetition</td></tr><tr><td><span class="term"><i><tt>max</tt></i>:</span></td><td>the upper bound for the repetition, -1 means infinite</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the node or NULL in case of error</td></tr></tbody></table></div></div>
! 212: <hr/>
! 213: <div class="refsect2" lang="en"><h3><a name="xmlExpNewSeq"/>xmlExpNewSeq ()</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> xmlExpNewSeq (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> left, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> right)<br/>
! 214: </pre><p>Get the atom associated to the sequence @left , @right Note that @left and @right are consumed in the operation, to keep an handle on them use xmlExpRef() and use xmlExpFree() to release them, this is true even in case of failure (unless ctxt == NULL).</p>
! 215: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the expression context</td></tr><tr><td><span class="term"><i><tt>left</tt></i>:</span></td><td>left expression</td></tr><tr><td><span class="term"><i><tt>right</tt></i>:</span></td><td>right expression</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the node or NULL in case of error</td></tr></tbody></table></div></div>
! 216: <hr/>
! 217: <div class="refsect2" lang="en"><h3><a name="xmlExpParse"/>xmlExpParse ()</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> xmlExpParse (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> const char * expr)<br/>
! 218: </pre><p>Minimal parser for regexps, it understand the following constructs - string terminals - choice operator | - sequence operator , - subexpressions (...) - usual cardinality operators + * and ? - finite sequences { min, max } - infinite sequences { min, * } There is minimal checkings made especially no checking on strings values</p>
! 219: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the expressions context</td></tr><tr><td><span class="term"><i><tt>expr</tt></i>:</span></td><td>the 0 terminated string</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new expression or NULL in case of failure</td></tr></tbody></table></div></div>
! 220: <hr/>
! 221: <div class="refsect2" lang="en"><h3><a name="xmlExpRef"/>xmlExpRef ()</h3><pre class="programlisting">void xmlExpRef (<a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp)<br/>
! 222: </pre><p>Increase the <a href="libxml2-SAX.html#reference">reference</a> count of the expression</p>
! 223: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>exp</tt></i>:</span></td><td>the expression</td></tr></tbody></table></div></div>
! 224: <hr/>
! 225: <div class="refsect2" lang="en"><h3><a name="xmlExpStringDerive"/>xmlExpStringDerive ()</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> xmlExpStringDerive (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * str, <br/> int len)<br/>
! 226: </pre><p>Do one step of Brzozowski derivation of the expression @exp with respect to the input string</p>
! 227: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the expression context</td></tr><tr><td><span class="term"><i><tt>exp</tt></i>:</span></td><td>the expression</td></tr><tr><td><span class="term"><i><tt>str</tt></i>:</span></td><td>the string</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>the string len in bytes if available</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the resulting expression or NULL in case of internal error</td></tr></tbody></table></div></div>
! 228: <hr/>
! 229: <div class="refsect2" lang="en"><h3><a name="xmlExpSubsume"/>xmlExpSubsume ()</h3><pre class="programlisting">int xmlExpSubsume (<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp, <br/> <a href="libxml2-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> sub)<br/>
! 230: </pre><p>Check whether @exp accepts all the languages accexpted by @sub the input being a subexpression.</p>
! 231: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>the expressions context</td></tr><tr><td><span class="term"><i><tt>exp</tt></i>:</span></td><td>the englobing expression</td></tr><tr><td><span class="term"><i><tt>sub</tt></i>:</span></td><td>the subexpression</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 failure.</td></tr></tbody></table></div></div>
! 232: <hr/>
! 233: <div class="refsect2" lang="en"><h3><a name="xmlRegExecErrInfo"/>xmlRegExecErrInfo ()</h3><pre class="programlisting">int xmlRegExecErrInfo (<a href="libxml2-xmlregexp.html#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a> exec, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** string, <br/> int * nbval, <br/> int * nbneg, <br/> <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** values, <br/> int * terminal)<br/>
! 234: </pre><p>Extract error informations from the regexp execution, the parameter @string will be updated with the value pushed and not accepted, the parameter @values must point to an array of @nbval string pointers on return nbval will contain the number of possible strings in that state and the @values array will be updated with them. The string values</p>
! 235: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>exec</tt></i>:</span></td><td>a regexp execution context generating an error</td></tr><tr><td><span class="term"><i><tt>string</tt></i>:</span></td><td>return value for the error string</td></tr><tr><td><span class="term"><i><tt>nbval</tt></i>:</span></td><td>pointer to the number of accepted values IN/OUT</td></tr><tr><td><span class="term"><i><tt>nbneg</tt></i>:</span></td><td>return number of negative transitions</td></tr><tr><td><span class="term"><i><tt>values</tt></i>:</span></td><td>pointer to the array of acceptable values</td></tr><tr><td><span class="term"><i><tt>terminal</tt></i>:</span></td><td>return value if this was a terminal state</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>will be freed with the @exec context and don't need to be deallocated. Returns: 0 in case of success or -1 in case of error.</td></tr></tbody></table></div></div>
! 236: <hr/>
! 237: <div class="refsect2" lang="en"><h3><a name="xmlRegExecNextValues"/>xmlRegExecNextValues ()</h3><pre class="programlisting">int xmlRegExecNextValues (<a href="libxml2-xmlregexp.html#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a> exec, <br/> int * nbval, <br/> int * nbneg, <br/> <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** values, <br/> int * terminal)<br/>
! 238: </pre><p>Extract informations from the regexp execution, the parameter @values must point to an array of @nbval string pointers on return nbval will contain the number of possible strings in that state and the @values array will be updated with them. The string values</p>
! 239: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>exec</tt></i>:</span></td><td>a regexp execution context</td></tr><tr><td><span class="term"><i><tt>nbval</tt></i>:</span></td><td>pointer to the number of accepted values IN/OUT</td></tr><tr><td><span class="term"><i><tt>nbneg</tt></i>:</span></td><td>return number of negative transitions</td></tr><tr><td><span class="term"><i><tt>values</tt></i>:</span></td><td>pointer to the array of acceptable values</td></tr><tr><td><span class="term"><i><tt>terminal</tt></i>:</span></td><td>return value if this was a terminal state</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>will be freed with the @exec context and don't need to be deallocated. Returns: 0 in case of success or -1 in case of error.</td></tr></tbody></table></div></div>
! 240: <hr/>
! 241: <div class="refsect2" lang="en"><h3><a name="xmlRegExecPushString"/>xmlRegExecPushString ()</h3><pre class="programlisting">int xmlRegExecPushString (<a href="libxml2-xmlregexp.html#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a> exec, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * value, <br/> void * data)<br/>
! 242: </pre><p>Push one input token in the execution context</p>
! 243: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>exec</tt></i>:</span></td><td>a regexp execution context or NULL to indicate the end</td></tr><tr><td><span class="term"><i><tt>value</tt></i>:</span></td><td>a string token input</td></tr><tr><td><span class="term"><i><tt>data</tt></i>:</span></td><td>data associated to the token to reuse in callbacks</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>1 if the regexp reached a final state, 0 if non-final, and a negative value in case of error.</td></tr></tbody></table></div></div>
! 244: <hr/>
! 245: <div class="refsect2" lang="en"><h3><a name="xmlRegExecPushString2"/>xmlRegExecPushString2 ()</h3><pre class="programlisting">int xmlRegExecPushString2 (<a href="libxml2-xmlregexp.html#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a> exec, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * value, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * value2, <br/> void * data)<br/>
! 246: </pre><p>Push one input token in the execution context</p>
! 247: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>exec</tt></i>:</span></td><td>a regexp execution context or NULL to indicate the end</td></tr><tr><td><span class="term"><i><tt>value</tt></i>:</span></td><td>the first string token input</td></tr><tr><td><span class="term"><i><tt>value2</tt></i>:</span></td><td>the second string token input</td></tr><tr><td><span class="term"><i><tt>data</tt></i>:</span></td><td>data associated to the token to reuse in callbacks</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>1 if the regexp reached a final state, 0 if non-final, and a negative value in case of error.</td></tr></tbody></table></div></div>
! 248: <hr/>
! 249: <div class="refsect2" lang="en"><h3><a name="xmlRegFreeExecCtxt"/>xmlRegFreeExecCtxt ()</h3><pre class="programlisting">void xmlRegFreeExecCtxt (<a href="libxml2-xmlregexp.html#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a> exec)<br/>
! 250: </pre><p>Free the structures associated to a regular expression evaulation context.</p>
! 251: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>exec</tt></i>:</span></td><td>a regular expression evaulation context</td></tr></tbody></table></div></div>
! 252: <hr/>
! 253: <div class="refsect2" lang="en"><h3><a name="xmlRegFreeRegexp"/>xmlRegFreeRegexp ()</h3><pre class="programlisting">void xmlRegFreeRegexp (<a href="libxml2-xmlregexp.html#xmlRegexpPtr">xmlRegexpPtr</a> regexp)<br/>
! 254: </pre><p>Free a regexp</p>
! 255: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>regexp</tt></i>:</span></td><td>the regexp</td></tr></tbody></table></div></div>
! 256: <hr/>
! 257: <div class="refsect2" lang="en"><h3><a name="xmlRegNewExecCtxt"/>xmlRegNewExecCtxt ()</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlRegExecCtxtPtr">xmlRegExecCtxtPtr</a> xmlRegNewExecCtxt (<a href="libxml2-xmlregexp.html#xmlRegexpPtr">xmlRegexpPtr</a> comp, <br/> <a href="libxml2-xmlregexp.html#xmlRegExecCallbacks">xmlRegExecCallbacks</a> callback, <br/> void * data)<br/>
! 258: </pre><p>Build a context used for progressive evaluation of a regexp.</p>
! 259: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>comp</tt></i>:</span></td><td>a precompiled regular expression</td></tr><tr><td><span class="term"><i><tt>callback</tt></i>:</span></td><td>a callback function used for handling progresses in the automata matching phase</td></tr><tr><td><span class="term"><i><tt>data</tt></i>:</span></td><td>the context data associated to the callback in this context</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the new context</td></tr></tbody></table></div></div>
! 260: <hr/>
! 261: <div class="refsect2" lang="en"><h3><a name="xmlRegexpCompile"/>xmlRegexpCompile ()</h3><pre class="programlisting"><a href="libxml2-xmlregexp.html#xmlRegexpPtr">xmlRegexpPtr</a> xmlRegexpCompile (const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * regexp)<br/>
! 262: </pre><p>Parses a regular expression conforming to XML Schemas Part 2 Datatype Appendix F and builds an automata suitable for testing strings against that regular expression</p>
! 263: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>regexp</tt></i>:</span></td><td>a regular expression string</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the compiled expression or NULL in case of error</td></tr></tbody></table></div></div>
! 264: <hr/>
! 265: <div class="refsect2" lang="en"><h3><a name="xmlRegexpExec"/>xmlRegexpExec ()</h3><pre class="programlisting">int xmlRegexpExec (<a href="libxml2-xmlregexp.html#xmlRegexpPtr">xmlRegexpPtr</a> comp, <br/> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * content)<br/>
! 266: </pre><p>Check if the regular expression generates the value</p>
! 267: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>comp</tt></i>:</span></td><td>the compiled regular expression</td></tr><tr><td><span class="term"><i><tt>content</tt></i>:</span></td><td>the value to check against the regular expression</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>1 if it matches, 0 if not and a negative value in case of error</td></tr></tbody></table></div></div>
! 268: <hr/>
! 269: <div class="refsect2" lang="en"><h3><a name="xmlRegexpIsDeterminist"/>xmlRegexpIsDeterminist ()</h3><pre class="programlisting">int xmlRegexpIsDeterminist (<a href="libxml2-xmlregexp.html#xmlRegexpPtr">xmlRegexpPtr</a> comp)<br/>
! 270: </pre><p>Check if the regular expression is determinist</p>
! 271: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>comp</tt></i>:</span></td><td>the compiled regular expression</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>1 if it yes, 0 if not and a negative value in case of error</td></tr></tbody></table></div></div>
! 272: <hr/>
! 273: <div class="refsect2" lang="en"><h3><a name="xmlRegexpPrint"/>xmlRegexpPrint ()</h3><pre class="programlisting">void xmlRegexpPrint (FILE * output, <br/> <a href="libxml2-xmlregexp.html#xmlRegexpPtr">xmlRegexpPtr</a> regexp)<br/>
! 274: </pre><p>Print the content of the compiled regular expression</p>
! 275: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>output</tt></i>:</span></td><td>the file for the output debug</td></tr><tr><td><span class="term"><i><tt>regexp</tt></i>:</span></td><td>the compiled regexp</td></tr></tbody></table></div></div>
! 276: <hr/>
! 277: </div>
! 278: </div>
! 279: </body>
! 280: </html>
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