python - how to translate custom language to html -


i'm trying conversion of custom language html.
following example should intuitive-easy enough understand without explaining:
input file...

css:     define(style):         if default:             background-color=black         if hovered:             background-color=blue     apply(style, tag=h1, tag=h2)  html:     body(id="hello"):         paragraph(id=demo):             "this paragraph.         input(type="button", onclick="displaydate()"):             "display date  js:     def displaydate():         document.getelementbyid("demo").innerhtml=date()

...should translated to... 

h1 {     background-color: black } h1 :hover {     background-color: blue } id {     background-color=black } id :hover {     background-color=blue }  <html>     <body id="hello">         <p id="demo">this paragraph.</p>         <input type="button", onclick="displaydate()">display date</button>     </body>      <script>         function displaydate() {             document.getelementbyid("demo").innerhtml=date()         }     </script> </html>

the input file has following rules:

  • it has same indent-based syntax python, there should indent checking.

  • lines starting in quotation marks interpreted content.

  • certain statements should exist in context, example, define statement should exist inside css block.

i've been writing parser using regex, halfway realised regex slow, , may not adequate since generation of html should quick, not 1 of regex strengths.

googling/surfing brings pyparsing, ply, antlr eyes, don't know/understand , whether should use them.

which path should follow?


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