Atext2html

Atext2html is a command line utility written with Nom to recognize hyperlinks and link reference definitions in Markdown, reStructuredText, Asciidoc, Wikitext and HTML formatted text input. Atext2html renders the source text verbatim to HTML while making hyperlinks clickable. By default the hyperlink's text appears the same as in the source text. When the flag --render-links is given, hyperlinks are represented only by their link text, which makes inline links more readable.

Atext2html illustrates the usage of the underlying library Parse-hyperlinks. The API of Parse-hyperlinks provides insights about the operating principle of this utility.

In addition to the above, Parse-hyperlinks-extras defines some extra parsers needed by the Tp-Note application.

Installation:

cargo install atext2html

Usage

Render source text with markup hyperlinks.

USAGE:
    atext2html [FLAGS] [OPTIONS] [FILE]...

FLAGS:
    -h, --help            Prints help information
    -l, --only-links      print only links (one per line)
    -r, --render-links    render hyperlinks
    -V, --version         print version and exit

OPTIONS:
    -o, --output <output>    print not to stdout but in file

ARGS:
    <FILE>...    paths to files to render (or `-` for stdin)

Usage examples

Markdown

1. Create a file input.txt with text and hyperlinks:

   abc[text10](destination10 "title10")abc
   abc[text11][label11]abc
   abc[text12](destination2 "title12")
   [text13]: destination3 "title13"
   [label11]: destination1 "title11"
   abc[text13]abc
   

2. Run atext2html:

   $ ./atext2html -o output.html input.txt
   

3. Inspect output.html:

   <pre>abc<a href="destination10" title="title10">[text10](destination10 "title10")</a>abc
   abc<a href="destination1" title="title11">[text11][label11]</a>abc
   abc<a href="destination2" title="title12">[text12](destination2 "title12")</a>
   <a href="destination3" title="title13">[text13]: destination3 "title13"</a>
   <a href="destination1" title="title11">[label11]: destination1 "title11"</a>
   abc<a href="destination3" title="title13">[text13]</a>abc</pre>
   

   This is how it looks like in the web browser:

   $ firefox output.html
   

   abc[text10](destination10 "title10")abc
   abc[text11][label11]abc
   abc[text12](destination2 "title12")
   [text13]: destination3 "title13"
   [label11]: destination1 "title11"
   abc[text13]abc
   

reStructuredText

1. Create a file input.txt with text and hyperlinks:

   abc `text21 <label21_>`_abc
   abc text22_ abc
   abc text23__ abc
   abc text_label24_ abc
   abc text25__ abc
   .. _label21: destination21
   .. _text22: destination22
   .. __: destination23
   __ destination25
   

2. Run atext2html:

   $ ./atext2html -o output.html input.txt
   

3. Inspect output.html:

   <pre>abc <a href="destination21" title="">`text21 &lt;label21_&gt;`_</a>abc
   abc <a href="destination22" title="">text22_</a> abc
   abc <a href="destination23" title="">text23__</a> abc
   abc text_label24_ abc
   abc <a href="destination25" title="">text25__</a> abc
   <a href="destination21" title="">   .. _label21: destination21</a>
   <a href="destination22" title="">   .. _text22: destination22</a>
   <a href="destination23" title="">   .. __: destination23</a>
   <a href="destination25" title="">   __ destination25</a></pre>
   

   This is how it looks like in the web browser:

   $ firefox output.html
   

   abc `text21 <label21_>`_abc
   abc text22_ abc
   abc text23__ abc
   abc text_label24_ abc
   abc text25__ abc
      .. _label21: destination21
      .. _text22: destination22
      .. __: destination23
      __ destination25
   

Asciidoc

1. Create a file input.txt with text and hyperlinks:

   abc
   abc https://destination30[text30]abc
   abc link:https://destination31[text31]abc
   abc{label32}[text32]abc
   abc{label33}abc
   :label32: https://destination32
   :label33: https://destination33
   

2. Run atext2html:

   $ ./atext2html -o output.html input.txt
   

3. Inspect output.html:

   <pre>abc
   abc <a href="https://destination30" title="">https://destination30[text30]</a>abc
   abc <a href="https://destination31" title="">link:https://destination31[text31]</a>abc
   abc<a href="https://destination32" title="">{label32}[text32]</a>abc
   abc<a href="https://destination33" title="">{label33}</a>abc
   <a href="https://destination32" title="">:label32: https://destination32</a>
   <a href="https://destination33" title="">:label33: https://destination33</a></pre>
   

   This is how it looks like in the web-browser:

   $ firefox output.html
   

   abc
   abc https://destination30[text30]abc
   abc link:https://destination31[text31]abc
   abc{label32}[text32]abc
   abc{label33}abc
   :label32: https://destination32
   :label33: https://destination33
   

Wikitext

1. Create a file input.txt with text and hyperlinks:

   abc
   abc[https://destination31 text31]abc
   

2. Run atext2html:

   $ ./atext2html -o output.html input.txt
   

3. Inspect output.html:

   <pre>abc
   abc<a href="https://destination31" title="">[https://destination31 text31]</a>abc
   

   This is how it looks like in the web-browser:

   $ firefox output.html
   

   abc
   abc[https://destination31 text31]abc
   

HTML

1. Create a file input.txt with text and hyperlinks:

   abc<a href="dest1" title="title1">text1</a>abc
   abc<a href="dest2" title="title2">text2</a>abc
   

2. Run atext2html:

   $ ./atext2html -o output.html input.txt
   

3. Inspect output.html:

   <pre>abc<a href="dest1" title="title1">&lt;a href="dest1" title="title1"&gt;text1&lt;/a&gt;</a>abc
   abc<a href="dest2" title="title2">&lt;a href="dest2" title="title2"&gt;text2&lt;/a&gt;</a>abc</pre>
   

   This is how it looks like in the web-browser:

   $ firefox output.html
   

   abc<a href="dest1" title="title1">text1</a>abc
   abc<a href="dest2" title="title2">text2</a>abc