diff options
Diffstat (limited to 'mimelib/doc/param.html')
| -rw-r--r-- | mimelib/doc/param.html | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/mimelib/doc/param.html b/mimelib/doc/param.html new file mode 100644 index 00000000..786f65bc --- /dev/null +++ b/mimelib/doc/param.html @@ -0,0 +1,189 @@ +<HTML> +<HEAD> + <TITLE> DwParameter Man Page </TITLE> +</HEAD> +<BODY BGCOLOR="#FFFFFF"> +<H2> + <FONT COLOR="navy"> NAME </FONT> +</H2> +<P> +DwParameter -- Class representing a MIME field body parameter +<H2> + <FONT COLOR="navy"> SYNOPSIS </FONT> +</H2> +<PRE>class DW_EXPORT DwParameter : public <A HREF="msgcmp.html">DwMessageComponent</A> { + + friend class DwMediaType; + +public: + + <A HREF="param.html#DwParameter">DwParameter</A>(); + <A HREF="param.html#DwParameter">DwParameter</A>(const DwParameter& aParam); + <A HREF="param.html#DwParameter">DwParameter</A>(const DwString& aStr, DwMessageComponent* aParent=0); + virtual ~DwParameter(); + const DwParameter& <A HREF="param.html#op_eq">operator =</A> (const DwParameter& aParam); + virtual void <A HREF="param.html#Parse">Parse</A>(); + virtual void <A HREF="param.html#Assemble">Assemble</A>(); + virtual DwMessageComponent* <A HREF="param.html#Clone">Clone</A>() const; + const DwString& <A HREF="param.html#Attribute">Attribute</A>() const; + void <A HREF="param.html#SetAttribute">SetAttribute</A>(const DwString& aAttribute); + const DwString& <A HREF="param.html#Value">Value</A>() const; + void <A HREF="param.html#SetValue">SetValue</A>(const DwString& aValue); + DwParameter* <A HREF="param.html#Next">Next</A>() const ; + void <A HREF="param.html#SetNext">SetNext</A>(DwParameter* aParam); + static DwParameter* <A HREF="param.html#NewParameter">NewParameter</A>(const DwString& aStr, + DwMessageComponent* aParent); + static DwParameter* (*<A HREF="param.html#sNewParameter">sNewParameter</A>)(const DwString&, DwMessageComponent*); + +public: + + virtual void <A HREF="param.html#PrintDebugInfo">PrintDebugInfo</A>(ostream& aStrm, int aDepth=0) const; + virtual void <A HREF="param.html#CheckInvariants">CheckInvariants</A>() const; + +protected: + + void _PrintDebugInfo(ostream& aStrm) const; +}; +</PRE> +<H2> + <FONT COLOR="navy"> DESCRIPTION </FONT> +</H2> +<P> +<B><TT>DwParameter</TT></B> represents the <I>parameter</I> component of +the Content-Type header field as described in RFC-2045. A parameter consists +of an attribute/value pair. <B><TT>DwParameter</TT></B> has member functions +for getting or setting a parameter's attribute and value. +<P> +A <B><TT>DwParameter</TT></B> object may be included in a list of +<B><TT>DwParameter</TT></B> objects. You can get the next +<B><TT>DwParameter</TT></B> object in the list by calling the member function +<B><TT>Next()</TT></B>. +<H2> + <FONT COLOR="navy"> Public Member Functions </FONT> +</H2> +<P> +<FONT COLOR="teal"><B> <A NAME="DwParameter">DwParameter</A>() <BR> +DwParameter(const DwParameter& aParam) <BR> +DwParameter(const DwString& aStr, DwMessageComponent* aParent=0) +</B></FONT> +<P> +The first constructor is the default constructor, which sets the +<B><TT>DwParameter</TT></B> object's string representation to the empty string +and sets its parent to NULL. +<P> +The second constructor is the copy constructor, which copies the string +representation, attribute, and value from <B><TT>aParam</TT></B>. The parent +of the new <B><TT>DwParameter</TT></B> object is set to NULL. +<P> +The third constructor copies <B><TT>aStr</TT></B> to the +<B><TT>DwParameter</TT></B> object's string representation and sets +<B><TT>aParent</TT></B> as its parent. The virtual member function +<B><TT>Parse()</TT></B> should be called immediately after this constructor +in order to parse the string representation. Unless it is NULL, +<B><TT>aParent</TT></B> should point to an object of a class derived from +<B><TT>DwMediaType</TT></B>. +<P> +<FONT COLOR="teal"><B> const DwParameter& <A NAME="op_eq">operator =</A> +(const DwParameter& aParam) </B></FONT> +<P> +This is the assignment operator. +<P> +<FONT COLOR="teal"><B> virtual void <A NAME="Parse">Parse</A>() </B></FONT> +<P> +This virtual function, inherited from <B><TT>DwMessageComponent</TT></B>, +executes the parse method for <B><TT>DwParameter</TT></B> objects. It should +be called immediately after the string representation is modified and before +the parts of the broken-down representation are accessed. +<P> +<FONT COLOR="teal"><B> virtual void <A NAME="Assemble">Assemble</A>() +</B></FONT> +<P> +This virtual function, inherited from <B><TT>DwMessageComponent</TT></B>, +executes the assemble method for <B><TT>DwParameter</TT></B> objects. It +should be called whenever one of the object's attributes is changed in order +to assemble the string representation from its broken-down representation. +It will be called automatically for this object by the parent object's +<B><TT>Assemble()</TT></B> member function if the is-modified flag is set. +<P> +<FONT COLOR="teal"><B> virtual DwMessageComponent* +<A NAME="Clone">Clone</A>() const </B></FONT> +<P> +This virtual function, inherited from <B><TT>DwMessageComponent</TT></B>, +creates a new <B><TT>DwParameter</TT></B> on the free store that has the +same value as this <B><TT>DwParameter</TT></B> object. The basic idea is +that of a ``virtual copy constructor.'' +<P> +<FONT COLOR="teal"><B> const DwString& +<A NAME="Attribute">Attribute</A>() const </B></FONT> +<P> +Returns the attribute contained by this parameter. +<P> +<FONT COLOR="teal"><B> void <A NAME="SetAttribute">SetAttribute</A>(const +DwString& aAttribute) </B></FONT> +<P> +Sets the attribute contained by this parameter. +<P> +<FONT COLOR="teal"><B> const DwString& <A NAME="Value">Value</A>() const +</B></FONT> +<P> +Returns the value contained by this parameter. +<P> +<FONT COLOR="teal"><B> void <A NAME="SetValue">SetValue</A>(const DwString& +aValue) </B></FONT> +<P> +Sets the value contained by this parameter. +<P> +<FONT COLOR="teal"><B> DwParameter* <A NAME="Next">Next</A>() const +</B></FONT> +<P> +Returns the next <B><TT>DwParameter</TT></B> object in the list. +<P> +<FONT COLOR="teal"><B> void <A NAME="SetNext">SetNext</A>(DwParameter* aParam) +</B></FONT> +<P> +Returns the next <B><TT>DwParameter</TT></B> object in the list. Since +<B><TT>DwMediaType</TT></B> has member functions for adding +<B><TT>DwParameter</TT></B> objects to its list, you should avoid using this +function. +<P> +<FONT COLOR="teal"><B> static DwParameter* +<A NAME="NewParameter">NewParameter</A>(const DwString& aStr, +DwMessageComponent* aParent) </B></FONT> +<P> +Creates a new <B><TT>DwParameter</TT></B> object on the free store. If the +static data member <B><TT>sNewParameter</TT></B> is NULL, this member function +will create a new <B><TT>DwParameter</TT></B> and return it. Otherwise, +<B><TT>NewParameter()</TT></B> will call the user-supplied function pointed +to by <B><TT>sNewParameter</TT></B>, which is assumed to return an object +from a class derived from <B><TT>DwParameter</TT></B>, and return that object. +<P> +<FONT COLOR="teal"><B> virtual void +<A NAME="PrintDebugInfo">PrintDebugInfo</A>(ostream& aStrm, int aDepth=0) +const </B></FONT> +<P> +This virtual function, inherited from <B><TT>DwMessageComponent</TT></B>, +prints debugging information about this object to <B><TT>aStrm</TT></B>. +It will also call <B><TT>PrintDebugInfo()</TT></B> for any of its child +components down to a level of <B><TT>aDepth</TT></B>. +<P> +This member function is available only in the debug version of the library. +<P> +<FONT COLOR="teal"><B> virtual void +<A NAME="CheckInvariants">CheckInvariants</A>() const </B></FONT> +<P> +Aborts if one of the invariants of the object fails. Use this member function +to track down bugs. +<P> +This member function is available only in the debug version of the library. +<H2> + <FONT COLOR="navy"> Public Data Members </FONT> +</H2> +<P> +<FONT COLOR="teal"><B> static DwParameter* +(*<A NAME="sNewParameter">sNewParameter</A>)(const DwString&, +DwMessageComponent*) </B></FONT> +<P> +If <B><TT>sNewParameter</TT></B> is not NULL, it is assumed to point to a +user-supplied function that returns an object from a class derived from +<B><TT>DwParameter</TT></B>. +</BODY></HTML> |