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View File xapian-change-snippet-generator-to-deque.patch of Package xapian-core (Project Kolab:3.4:Updates)

Index: xapian-core-1.2.12/queryparser/snippetgenerator_internal.cc
===================================================================
--- xapian-core-1.2.12.orig/queryparser/snippetgenerator_internal.cc	2013-01-22 17:26:51.189726001 +1100
+++ xapian-core-1.2.12/queryparser/snippetgenerator_internal.cc	2013-01-23 14:48:33.159726001 +1100
@@ -53,9 +61,7 @@
 
     // we don't keep context across termpos discontinuities
     if (pos > (lastpos+2)) {
-	// there is no queue::clear() dammit
-	while (!context.empty())
-	    context.pop();
+	context.clear();
 	leading_nonword = "";
     }
     lastpos = pos;
@@ -75,7 +85,7 @@
 	// flush the before-context
 	while (!context.empty()) {
 	    result += context.front();
-	    context.pop();
+	    context.pop_front();
 	}
 
 	// emit the match, highlighted
@@ -91,16 +106,22 @@
     } else {
 	// not explicitly in a context, but remember the
 	// term in the context queue for later
-	context.push(term);
-	while (context.size() > context_length) {
-	    context.pop();
-	    leading_nonword = "";
-	}
-	// this order handles the context_length=0 case gracefully
+	push_context(term);
     }
 }
 
 void
+SnippetGenerator::Internal::push_context(const string & term)
+{
+    context.push_back(term);
+    while (context.size() > context_length) {
+	context.pop_front();
+	leading_nonword = "";
+    }
+    // this order handles the context_length=0 case gracefully
+}
+
+void
 SnippetGenerator::Internal::accept_nonword_char(unsigned ch, termcount pos)
 {
     if (context.empty() && leading_nonword != "") {
@@ -326,8 +378,7 @@
     horizon = 0;
     lastpos = 0;
     nwhitespace = 0;
-    while (!context.empty())
-	context.pop();
+    context.clear();
     matches.clear();
     termpos = 0;
     leading_nonword = "";
Index: xapian-core-1.2.12/queryparser/snippetgenerator_internal.h
===================================================================
--- xapian-core-1.2.12.orig/queryparser/snippetgenerator_internal.h	2013-01-22 17:35:38.249726001 +1100
+++ xapian-core-1.2.12/queryparser/snippetgenerator_internal.h	2013-01-23 14:47:50.239726001 +1100
@@ -43,11 +43,12 @@
 
     termcount horizon;
     termcount lastpos;
-    std::queue<std::string> context;
+    std::deque<std::string> context;
     std::string result;
 
     termcount termpos;
 
+    void push_context(const std::string & term);
     void accept_term(const std::string & term, termcount pos);
     void accept_nonword_char(unsigned ch, termcount pos);