code figure.tex

%preamble
\usepackage{listings}
\usepackage{algorithm}
\usepackage{xcolor}
\lstdefinestyle{xml} {
    language=XML,
    extendedchars=true, 
    breaklines=true,
    breakatwhitespace=true,
    emph={},
    emphstyle=\color{red},
    basicstyle=\ttfamily,
    columns=fullflexible,
    commentstyle=\color{gray}\upshape,
    morestring=[b]",
    morecomment=[s]{<?}{?>},
    morecomment=[s][\color{forestgreen}]{<!--}{-->},
    keywordstyle=\color{orangered},
    stringstyle=\ttfamily\color{black}\normalfont,
    tagstyle=\color{blue}\bf,
    morekeywords={attribute,xmlns,version,type,release},
}

%document body
\begin{algorithm}
\lstinputlisting[style=xml]{test.xml}
\caption{Some Caption.}
\end{algorithm}