Added toString() method and search by string in lists.

git-svn-id: http://voip.null.ro/svn/yate@122 acf43c95-373e-0410-b603-e72c3f656dc1

engine/ObjList.cpp

@@ -90,9 +90,7 @@ ObjList *ObjList::operator[](int index) const
 
 ObjList *ObjList::find(const GenObject *obj) const
 {
-#ifdef DEBUG
-    Debugger debug("ObjList::find","(%p) [%p]",obj,this);
-#endif
+    DDebug("ObjList::find(%p) [%p]",obj,this);
     const ObjList *n = this;
     while (n && (n->get() != obj))
 	n = n->next();
@@ -100,6 +98,19 @@ ObjList *ObjList::find(const GenObject *obj) const
     return const_cast<ObjList *>(n);
 }
 
+ObjList *ObjList::find(const String &str) const
+{
+    DDebug("ObjList::find(\"%s\") [%p]",str.c_str(),this);
+    const ObjList *n = this;
+    while (n) {
+	if (n->get() && str.matches(n->get()->toString()))
+	    break;
+	n = n->next();
+    }
+    DDebug(DebugInfo,"ObjList::find returning %p",n);
+    return const_cast<ObjList *>(n);
+}
+
 GenObject *ObjList::set(const GenObject *obj, bool delold)
 {
     if (m_obj == obj)

engine/String.cpp

@@ -136,6 +136,13 @@ void StringMatchPrivate::fixup()
     count = c;
 }
 
+static String s_empty;
+
+const String& String::empty()
+{
+    return s_empty;
+}
+
 String::String()
     : m_string(0), m_length(0), m_hash(0), m_matches(0)
 {
@@ -789,3 +796,18 @@ NamedString::NamedString(const char *name, const char *value)
 {
     DDebug(DebugAll,"NamedString::NamedString(\"%s\",\"%s\") [%p]",name,value,this);
 }
+
+const String& GenObject::toString() const
+{
+    return String::empty();
+}
+
+const String& String::toString() const
+{
+    return *this;
+}
+
+const String& NamedString::toString() const
+{
+    return m_name;
+}

yatengine.h

@@ -151,7 +151,9 @@ bool Debug(const char *facility, int level, const char *format, ...) FORMAT_CHEC
 void Output(const char *format, ...) FORMAT_CHECK(1);
 
 /**
- * An object that logs messages on creation and destruction
+ * This class is used as an automatic variable that logs messages on creation
+ *  and destruction (when the instruction block is left or function returns)
+ * @short An object that logs messages on creation and destruction
  */
 class Debugger
 {
@@ -206,6 +208,8 @@ struct TokenDict {
     int value;
 };
 
+class String;
+
 /**
  * An object with just a public virtual destructor
  */
@@ -222,6 +226,14 @@ public:
      */
     virtual void destruct()
 	{ delete this; }
+
+    /**
+     * Get a string representation of this object
+     * @return A reference to a String representing this object
+     *  which is either null, the object itself (for objects derived from
+     *  String) or some form of identification
+     */
+    virtual const String& toString() const;
 };
 
 /**
@@ -350,6 +362,13 @@ public:
      */
     ObjList *find(const GenObject *obj) const;
 
+    /**
+     * Get the item in the list that holds an object by String value
+     * @param str String value (toString) of the object to search for
+     * @return Pointer to the found item or NULL
+     */
+    ObjList *find(const String &str) const;
+
     /**
      * Insert an object at this point
      * @param obj Pointer to the object to insert
@@ -465,6 +484,11 @@ public:
      */
     virtual ~String();
 
+    /**
+     * A static null String
+     */
+    static const String &empty();
+
     /**
      * Get the value of the stored string.
      * @return The stored C string which may be NULL.
@@ -530,6 +554,12 @@ public:
      */
     String& trimBlanks();
 
+    /**
+     * Override GenObject's method to return this String
+     * @return A reference to this String
+     */
+    virtual const String& toString() const;
+
     /**
      * Convert the string to an integer value.
      * @param defvalue Default to return if the string is not a number
@@ -767,11 +797,11 @@ public:
      * @param value String to check for match
      * @return True if matches, false otherwise
      */
-    virtual bool matches(const String &value)
+    virtual bool matches(const String &value) const
 	{ return operator==(value); }
 
     /**
-     * Checks if matches a regular expression
+     * Checks if matches a regular expression and fill the match substrings
      * @param rexp Regular expression to check for match
      * @return True if matches, false otherwise
      */
@@ -979,7 +1009,7 @@ public:
      * @param value String to check for match
      * @return True if matches, false otherwise
      */
-    virtual bool matches(const String &value)
+    virtual bool matches(const String &value) const
 	{ return matches(value.safe()); }
 
 protected:
@@ -1015,6 +1045,12 @@ public:
     inline const String& name() const
 	{ return m_name; }
 
+    /**
+     * Get a string representation of this object
+     * @return A reference to the name of this object
+     */
+    virtual const String& toString() const;
+
     /**
      * Value assignment operator
      */