Re: Any recommendations on using PHP to parse marked-up text?

From	James Harris <james.harris.1@gmail.com>
Newsgroups	comp.lang.php
Subject	Re: Any recommendations on using PHP to parse marked-up text?
Date	2016-02-20 18:51 +0000
Organization	A noiseless patient Spider
Message-ID	<naacdf$s6p$1@dont-email.me> (permalink)
References	<na4eau$at9$1@dont-email.me> <na4oki$igp$1@jstuckle.eternal-september.org>

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On 18/02/2016 15:43, Jerry Stuckle wrote:
> On 2/18/2016 7:47 AM, James Harris wrote:
>> Quick question: If someone wanted to parse marked-up text (and to
>> convert it to HTML) do you have any generic recommendation on a good
>> approach to use in PHP?
>>
>> Specifically, the text could be parsed character-by-character or line by
>> line. Or perhaps it could be split with explode() and processed in pieces.
>>
>> The input text could be ASCII or Unicode.
>>
>> The marking up would be by tags of some sort. The form of a tag is not
>> yet defined; it could be chosen to make the parsing easier, if
>> necessary, as long as it was easy for a human to work with.

...

> Way to vague a question for an intelligent answer, and any answer at
> this juncture is just a guess.  It all depends on how the text is going
> to be marked up.

The markup can be chosen. As long as it is easy to parse and easy for a 
human to work with it would be suitable. Most such markup would be 
converted to HTML elements: <hN>, <p>, <a>, etc and corresponding 
closing tags. There could also be self-contained tags which get 
converted to <br>, <hr> etc.

To illustrate, here is one possible scheme for opening and closing tags:

@(tagname, parameter, parameter)text@(/tagname)

Here is another option:

@tagname:parameter, parameter;text@/tagname;

In either case, "text" is not part of a tag.

There would additionally need to be a way to express a self-contained 
tag (i.e. one that does not need a following closing tag). Perhaps

@tagname:parameter, parameter/

Given that the above all use an at sign (@) to indicate the start of a 
tag there would need to be a convenient way to include an at sign in the 
output. Perhaps

@at/

As I say, the above are just examples of the kind of elements a markup 
would have to express, and the tag forms could be chosen to help parsing.

James

Thread

Any recommendations on using PHP to parse marked-up text? James Harris <james.harris.1@gmail.com> - 2016-02-18 12:47 +0000
  Re: Any recommendations on using PHP to parse marked-up text? Arno Welzel <usenet@arnowelzel.de> - 2016-02-18 15:52 +0100
    Re: Any recommendations on using PHP to parse marked-up text? James Harris <james.harris.1@gmail.com> - 2016-02-20 18:28 +0000
  Re: Any recommendations on using PHP to parse marked-up text? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-02-18 14:56 +0000
    Re: Any recommendations on using PHP to parse marked-up text? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-18 22:14 +0100
      Re: Any recommendations on using PHP to parse marked-up text? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-02-18 21:45 +0000
        Re: Any recommendations on using PHP to parse marked-up text? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-18 23:09 +0100
          Re: Any recommendations on using PHP to parse marked-up text? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-02-19 01:15 +0000
            Re: Any recommendations on using PHP to parse marked-up text? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-19 02:45 +0100
              Re: Any recommendations on using PHP to parse marked-up text? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-02-19 12:03 +0000
                Re: Any recommendations on using PHP to parse marked-up text? Tim Streater <timstreater@greenbee.net> - 2016-02-19 12:17 +0000
                Re: Any recommendations on using PHP to parse marked-up text? "Christoph M. Becker" <cmbecker69@arcor.de> - 2016-02-19 14:18 +0100
                Re: Any recommendations on using PHP to parse marked-up text? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-02-19 14:02 +0000
                Re: Any recommendations on using PHP to parse marked-up text? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-20 20:31 +0100
                Re: Any recommendations on using PHP to parse marked-up text? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-02-21 01:39 +0000
                Re: Any recommendations on using PHP to parse marked-up text? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-21 11:33 +0100
                Re: Any recommendations on using PHP to parse marked-up text? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-02-21 12:53 +0000
    Re: Any recommendations on using PHP to parse marked-up text? James Harris <james.harris.1@gmail.com> - 2016-02-20 18:29 +0000
      Re: Any recommendations on using PHP to parse marked-up text? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-20 20:32 +0100
  Re: Any recommendations on using PHP to parse marked-up text? Jerry Stuckle <jstucklex@attglobal.net> - 2016-02-18 10:43 -0500
    Re: Any recommendations on using PHP to parse marked-up text? James Harris <james.harris.1@gmail.com> - 2016-02-20 18:51 +0000
      Re: Any recommendations on using PHP to parse marked-up text? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-02-20 20:08 +0000
        Re: Any recommendations on using PHP to parse marked-up text? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-20 21:22 +0100
          Re: Any recommendations on using PHP to parse marked-up text? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-02-20 23:40 +0000
            Re: Any recommendations on using PHP to parse marked-up text? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-21 11:39 +0100
              Re: Any recommendations on using PHP to parse marked-up text? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-02-21 13:09 +0000
        Re: Any recommendations on using PHP to parse marked-up text? James Harris <james.harris.1@gmail.com> - 2016-02-20 20:24 +0000
          Re: Any recommendations on using PHP to parse marked-up text? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-02-20 22:35 +0000
            Re: Any recommendations on using PHP to parse marked-up text? James Harris <james.harris.1@gmail.com> - 2016-02-21 08:37 +0000
              Re: Any recommendations on using PHP to parse marked-up text? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-02-21 10:55 +0000
                Re: Any recommendations on using PHP to parse marked-up text? James Harris <james.harris.1@gmail.com> - 2016-02-21 13:25 +0000
          Re: Any recommendations on using PHP to parse marked-up text? Jerry Stuckle <jstucklex@attglobal.net> - 2016-02-20 17:50 -0500
            Re: Any recommendations on using PHP to parse marked-up text? James Harris <james.harris.1@gmail.com> - 2016-02-21 08:49 +0000
              Re: Any recommendations on using PHP to parse marked-up text? Jerry Stuckle <jstucklex@attglobal.net> - 2016-02-21 10:05 -0500
      Re: Any recommendations on using PHP to parse marked-up text? Jerry Stuckle <jstucklex@attglobal.net> - 2016-02-20 17:45 -0500
        Re: Any recommendations on using PHP to parse marked-up text? James Harris <james.harris.1@gmail.com> - 2016-02-21 09:01 +0000
          Re: Any recommendations on using PHP to parse marked-up text? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-21 11:46 +0100
            Re: Any recommendations on using PHP to parse marked-up text? James Harris <james.harris.1@gmail.com> - 2016-02-21 12:36 +0000
              Re: Any recommendations on using PHP to parse marked-up text? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-21 14:39 +0100
                Re: Any recommendations on using PHP to parse marked-up text? James Harris <james.harris.1@gmail.com> - 2016-02-21 13:40 +0000
                Re: Any recommendations on using PHP to parse marked-up text? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-21 14:46 +0100
                Re: Any recommendations on using PHP to parse marked-up text? James Harris <james.harris.1@gmail.com> - 2016-02-21 14:57 +0000
          Re: Any recommendations on using PHP to parse marked-up text? Jerry Stuckle <jstucklex@attglobal.net> - 2016-02-21 10:10 -0500
            Re: Any recommendations on using PHP to parse marked-up text? James Harris <james.harris.1@gmail.com> - 2016-02-21 17:50 +0000
              Re: Any recommendations on using PHP to parse marked-up text? Jerry Stuckle <jstucklex@attglobal.net> - 2016-02-21 14:08 -0500
      Re: Any recommendations on using PHP to parse marked-up text? Arno Welzel <usenet@arnowelzel.de> - 2016-02-21 18:35 +0100
        Re: Any recommendations on using PHP to parse marked-up text? James Harris <james.harris.1@gmail.com> - 2016-02-21 17:55 +0000
          Re: Any recommendations on using PHP to parse marked-up text? Arno Welzel <usenet@arnowelzel.de> - 2016-02-22 16:38 +0100
  Re: Any recommendations on using PHP to parse marked-up text? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-02-18 22:06 +0100
  Re: Any recommendations on using PHP to parse marked-up text? Ian Collins <ian-news@hotmail.com> - 2016-02-27 15:58 +1300

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