From 9ba5aa3b01f1f7c08c74f5d0a21971db221d30f1 Mon Sep 17 00:00:00 2001
From: David Kalnischkies <kalnischkies@gmail.com>
Date: Sat, 17 Jul 2010 19:07:00 +0200
Subject: factor regex package name matches into newly created cachefilter
 classes

---
 apt-pkg/cachefilter.cc | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 apt-pkg/cachefilter.cc

(limited to 'apt-pkg/cachefilter.cc')

diff --git a/apt-pkg/cachefilter.cc b/apt-pkg/cachefilter.cc
new file mode 100644
index 000000000..8f0725ea3
--- /dev/null
+++ b/apt-pkg/cachefilter.cc
@@ -0,0 +1,54 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+/** \file cachefilter.h
+    Collection of functor classes */
+									/*}}}*/
+// Include Files							/*{{{*/
+#include <apt-pkg/cachefilter.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/pkgcache.h>
+
+#include <apti18n.h>
+
+#include <string>
+
+#include <regex.h>
+									/*}}}*/
+namespace APT {
+namespace CacheFilter {
+PackageNameMatchesRegEx::PackageNameMatchesRegEx(std::string const &Pattern) {/*{{{*/
+	pattern = new regex_t;
+	int const Res = regcomp(pattern, Pattern.c_str(), REG_EXTENDED | REG_ICASE | REG_NOSUB);
+	if (Res == 0)
+		return;
+
+	delete pattern;
+	pattern = NULL;
+	char Error[300];
+	regerror(Res, pattern, Error, sizeof(Error));
+	_error->Error(_("Regex compilation error - %s"), Error);
+}
+									/*}}}*/
+bool PackageNameMatchesRegEx::operator() (pkgCache::PkgIterator const &Pkg) {/*{{{*/
+	if (unlikely(pattern == NULL))
+		return false;
+	else
+		return regexec(pattern, Pkg.Name(), 0, 0, 0) == 0;
+}
+									/*}}}*/
+bool PackageNameMatchesRegEx::operator() (pkgCache::GrpIterator const &Grp) {/*{{{*/
+	if (unlikely(pattern == NULL))
+		return false;
+	else
+		return regexec(pattern, Grp.Name(), 0, 0, 0) == 0;
+}
+									/*}}}*/
+PackageNameMatchesRegEx::~PackageNameMatchesRegEx() {			/*{{{*/
+	if (pattern == NULL)
+		return;
+	regfree(pattern);
+	delete pattern;
+}
+									/*}}}*/
+}
+}
-- 
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