Class IniValue designed for extracting values from ini entries

1 files changed, 133 insertions, 0 deletions

diff --git a/include/ini.h b/include/ini.h
index 49587d7..83e287d 100644
--- a/include/ini.h
+++ b/include/ini.h
@@ -18,6 +18,127 @@ struct _zend_ini_entry;
 namespace Php {
 
 /**
+ *  Class IniValue designed for extracting values from ini entries.
+ */
+class IniValue
+{
+public:
+    /**
+     *  Constructors for floating point values
+     * 
+     *  @param  name        Name of the php.ini variable
+     *  @param  isorig      Is the original value
+     */
+    IniValue(const char *name, const bool isorig) : _name(name), _isorig(isorig) {}
+
+    /**
+     *  Cast to a number
+     *  @return int32_t
+     */
+    operator int16_t () const
+    {
+        return (int16_t)numericValue();
+    }
+
+    /**
+     *  Cast to a number
+     *  @return int32_t
+     */
+    operator int32_t () const
+    {
+        return (int32_t)numericValue();
+    }
+
+    /**
+     *  Cast to a number
+     *  @return uint64_t
+     */
+    operator int64_t () const
+    {
+        return numericValue();
+    }
+    
+    /**
+     *  Cast to a boolean
+     *  @return boolean
+     */
+    operator bool () const
+    {
+        return (bool)numericValue();
+    }
+    
+    /**
+     *  Cast to a string
+     *  @return string
+     */
+    operator std::string () const
+    {
+        return rawValue();
+    }
+    
+    /**
+     *  Cast to byte array
+     *  @return const char *
+     */
+    operator const char * () const
+    {
+        return rawValue();
+    }
+    
+    /**
+     *  Cast to a floating point
+     *  @return double
+     */
+    operator double() const;
+
+
+private:
+
+    
+    /**
+     *  Retrieve the value as number
+     *
+     *  We force this to be a int64_t because we assume that most
+     *  servers run 64 bits nowadays, and because we use int32_t, int64_t
+     *  almost everywhere, instead of 'long' and on OSX neither of
+     *  these intxx_t types is defined as 'long'...
+     *
+     *  @return int64_t
+     */
+    int64_t numericValue() const;
+
+    /**
+     *  Get access to the raw buffer for read operationrs.
+     *  @return const char *
+     */
+    const char *rawValue() const;
+    
+    /**
+     *  ini entry name
+     *  @var    std::string
+     */
+    std::string _name;
+
+    /**
+     *  Is the orig value?
+     *  @var    bool
+     */
+    bool _isorig = false;
+};
+
+/**
+ *  Custom output stream operator
+ *  @param  stream
+ *  @param  ini_val
+ *  @return ostream
+ */
+std::ostream &operator<<(std::ostream &stream, const IniValue &ini_val)
+{
+    return stream << static_cast<const char*>(ini_val);
+}
+
+
+/**
  *  Class definition
  */
 class Ini
@@ -117,6 +238,18 @@ public:
      */
     void fill(struct _zend_ini_entry *ini_entry, int module_number);
 
+    
+    static IniValue get(const char* name)
+    {
+        return IniValue(name, false);
+    }
+
+    static IniValue get_orig(const char* name)
+    {
+        return IniValue(name, true);
+    }
+
+
 private:
     /**
      *  Helper function to convert a boolean to a string