[perl-xml-cvs] CVS: XML-LibXML-XPathContext XPathContext.xs,1.12,1.13 XPathContext.pm,1.5,1.6

[Petr P. <pa...@us...>]

Update of /cvsroot/perl-xml/XML-LibXML-XPathContext
In directory sc8-pr-cvs1:/tmp/cvs-serv27841

Modified Files:
	XPathContext.xs XPathContext.pm 
Log Message:
implement context locking by adding _enter and _leave


Index: XPathContext.xs
===================================================================
RCS file: /cvsroot/perl-xml/XML-LibXML-XPathContext/XPathContext.xs,v
retrieving revision 1.12
retrieving revision 1.13
diff -u -d -r1.12 -r1.13
--- XPathContext.xs	20 Mar 2003 13:25:19 -0000	1.12
+++ XPathContext.xs	20 Mar 2003 13:55:25 -0000	1.13
@@ -490,7 +490,7 @@
                     SvREFCNT_dec(XPathContextDATA(ctxt)->node);
                 }
                 if (XPathContextDATA(ctxt)->pool != NULL) {
-                    SvREFCNT_dec(XPathContextDATA(ctxt)->pool);
+                    SvREFCNT_dec((SV *)XPathContextDATA(ctxt)->pool);
                 }
                 Safefree(XPathContextDATA(ctxt));
             }
@@ -685,6 +685,38 @@
         } else {    
             /* warn("Registering function '%s'\n", name); */
             xmlXPathRegisterFunc(ctxt, name, LibXML_generic_extension_function);
+        }
+
+void
+_enter( pxpath_context )
+        SV * pxpath_context
+    PREINIT:
+        xmlXPathContextPtr ctxt = NULL;
+    INIT:
+        ctxt = (xmlXPathContextPtr)SvIV(SvRV(pxpath_context));
+        if ( ctxt == NULL ) {
+            croak( "XPathContext: missing xpath context" );
+        }
+    PPCODE:
+        if ( XPathContextDATA(ctxt)->lock != 0 ) {
+            croak( "XPathContext: context is locked" );
+        }
+        XPathContextDATA(ctxt)->lock=1;
+
+void
+_leave( pxpath_context )
+        SV * pxpath_context
+    PREINIT:
+        xmlXPathContextPtr ctxt = NULL;
+    INIT:
+        ctxt = (xmlXPathContextPtr)SvIV(SvRV(pxpath_context));
+        if ( ctxt == NULL ) {
+            croak( "missing xpath context" );
+        }
+    PPCODE:
+        XPathContextDATA(ctxt)->lock=0;
+        if (XPathContextDATA(ctxt)->pool != NULL) {
+            SvREFCNT_dec((SV *)XPathContextDATA(ctxt)->pool);
         }
 
 void

Index: XPathContext.pm
===================================================================
RCS file: /cvsroot/perl-xml/XML-LibXML-XPathContext/XPathContext.pm,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -d -r1.5 -r1.6
--- XPathContext.pm	16 Mar 2003 16:21:29 -0000	1.5
+++ XPathContext.pm	20 Mar 2003 13:55:25 -0000	1.6
@@ -20,7 +20,14 @@
 
 sub findnodes {
     my ($self, $xpath) = @_;
-    my @nodes = $self->_findnodes($xpath);
+    my @nodes;
+    $self->_enter;
+    eval {
+      @nodes = $self->_findnodes($xpath);
+    };
+    $self->_leave;
+    if ($@) { die $@; }
+
     if (wantarray) {
         return @nodes;
     }
@@ -32,18 +39,21 @@
 sub findvalue {
     my ($self, $xpath) = @_;
     my $res;
-    eval {
-        $res = $self->find($xpath);
-    };
-    if  ( $@ ) {
-        die $@;
-    }
+    $res = $self->find($xpath);
     return $res->to_literal->value;
 }
 
 sub find {
     my ($self, $xpath) = @_;
-    my ($type, @params) = $self->_find($xpath);
+    my ($type, @params);
+
+    $self->_enter;
+    eval {
+      ($type, @params) = $self->_find($xpath);
+    };
+    $self->_leave;
+    if  ($@) { die $@; }
+
     if ($type) {
         return $type->new(@params);
     }