From 9788056af63e073607897559997a44272b9a5cef Mon Sep 17 00:00:00 2001
From: Pixel <Pixel>
Date: Thu, 29 Nov 2001 01:03:21 +0000
Subject: Regex done!

---
 include/ReadJob.h |  3 ++-
 include/Regex.h   | 11 ++++++++++-
 lib/ReadJob.cc    |  4 ++--
 lib/Regex.cc      | 26 +++++++++++++++++++++++++-
 4 files changed, 39 insertions(+), 5 deletions(-)

diff --git a/include/ReadJob.h b/include/ReadJob.h
index ae0eef7..7d4bfc7 100644
--- a/include/ReadJob.h
+++ b/include/ReadJob.h
@@ -8,13 +8,14 @@
 
 class ReadJob : public Task {
   public:
-      ReadJob(Handle *, Handle *);
+      ReadJob(Handle *, Handle *, const Regex & = empty);
       virtual ~ReadJob();
     virtual int Do() throw (GeneralException);
     virtual String GetName();
 
   private:
     Handle * s, * d;
+    const Regex * regex;
 };
 
 #else
diff --git a/include/Regex.h b/include/Regex.h
index 6786041..1fc7197 100644
--- a/include/Regex.h
+++ b/include/Regex.h
@@ -3,13 +3,22 @@
 #ifdef __cplusplus
 
 #include <Exceptions.h>
+#include <String.h>
+
+#include <regex.h>
 
 class Regex : public Base {
   public:
-
+      Regex(const String &, int = REG_EXTENDED | REG_ICASE, int = 0) throw (GeneralException);
+      ~Regex();
+    bool Match(const String &) const;
   private:
+    regex_t preg;
+    int eflags;
 };
 
+extern Regex empty, any;
+
 #else
 #error This only works with a C++ compiler
 #endif
diff --git a/lib/ReadJob.cc b/lib/ReadJob.cc
index d5cabca..a29f641 100644
--- a/lib/ReadJob.cc
+++ b/lib/ReadJob.cc
@@ -1,7 +1,7 @@
 #include "ReadJob.h"
 #include "HttpServ.h"
 
-ReadJob::ReadJob(Handle * as, Handle * ad) : s(as), d(ad) {
+ReadJob::ReadJob(Handle * as, Handle * ad, const Regex & aregex) : s(as), d(ad), regex(&aregex) {
     s->SetNonBlock();
     d->SetNonBlock();
     WaitFor(s, W4_READING);
@@ -31,7 +31,7 @@ int ReadJob::Do() throw (GeneralException) {
 	    Suspend(TASK_ON_HOLD);
 	}
 	current = 0;
-	if (buff == "") return TASK_DONE;
+	if (regex->Match(buff)) return TASK_DONE;
     }
     
     if (!s->IsClosed()) {
diff --git a/lib/Regex.cc b/lib/Regex.cc
index 2ef2c8e..9b70d68 100644
--- a/lib/Regex.cc
+++ b/lib/Regex.cc
@@ -1 +1,25 @@
-#include "Regex.h"
\ No newline at end of file
+#include "Regex.h"
+
+char t[1024];
+
+Regex empty("$^"), any(".*");
+
+Regex::Regex(const String & regex, int cflags, int aeflags) throw (GeneralException) : eflags(aeflags) {
+    int r;
+    if ((r = regcomp(&preg, regex.to_charp(), cflags | REG_NOSUB))) {
+	regerror(r, &preg, t, sizeof(t));
+	throw GeneralException(String("Regex \"") + regex + "\" failed to compile: " + t + "\n");
+    }
+}
+
+Regex::~Regex() {
+    regfree(&preg);
+}
+
+bool Regex::Match(const String & s) const {
+    if (regexec(&preg, s.to_charp(), 0, 0, eflags)) {
+	return false;
+    } else {
+	return true;
+    }
+}
-- 
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