110 lines
2.5 KiB
Markdown
110 lines
2.5 KiB
Markdown
@slide(layout=chapter-slide)
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@number
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11
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@title
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Source code listings
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@slide(layout=content-and-preview)
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@title
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In-situ listings
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@content
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The `listings` package provides a dedicated environment:
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``` {.lang-tex .hljs}
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\section*{Haskell Magic}
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Squares of all even % …
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\begin{lstlisting}[language=Haskell]
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[x^2 | x <- [1..200], even x]
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\end{lstlisting}
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```
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@preview
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@slide(layout=content-and-preview)
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@title
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External source code
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@content
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Conveniently, `listings` offers an import command:
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``` {.lang-tex .hljs}
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\section*{Simple Java Application}
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\lstinputlisting[language=Java]{Test.java}
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```
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``` {.lang-java .hljs data-sourcefile="Test.java"}
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public class Test {
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public static void main(/*…*/) {
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System.out.println(/*…*/);
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}
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}
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```
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@preview
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@slide(layout=content-only)
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@title
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Themes and styles
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@content
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`listings` does not provide any themes by default, but can be configured extensively.
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``` {.lang-tex .hljs}
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\begin{lstlisting}[
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language=Java,
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basicstyle=\footnotesize\ttfamily,
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breaklines=true,
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keywordstyle=\color{ForestGreen},
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commentstyle=\color{DarkGray},
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literate={ö}{{\"o}}1
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]
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% …
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\end{lstlisting}
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```
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Have a look at the `\lstset` command for creating your own themes.
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@slide(layout=content-only)
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@title
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Further resources
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@content
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* [introduction](https://www.overleaf.com/learn/latex/Code_listing#Reference_guide) to the package
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* official [documentation](https://www.overleaf.com/learn/latex/Code_listing#Reference_guide)
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* predefined [UTF-8 configuration](https://en.wikibooks.org/wiki/LaTeX/Source_Code_Listings#Encoding_issue)
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* [`xcolor` package](https://www.overleaf.com/learn/latex/Using_colours_in_LaTeX) for colors
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* two [solarized themes](https://github.com/jez/latex-solarized) for `listings`
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@slide(layout=task)
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@task-number
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11
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@title
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Listings
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@content
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* **Include** the Java source code `Source.java` in the file `source-code-listings.tex` (mind the relative file path!).
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* Enable **special characters** like umlauts via the `literate` option.
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* Activate **syntax highlighting** by stating the programming language Java.
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* **Number** the code lines.
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* Set the `basicstyle` to a proper mono-spaced font (`\ttfamily \small`).
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* Change the **keyword color** to blue.
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* Remove the signs for **spaces in strings**.
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If you have questions, try to consult the documentation of the `listings` package.
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