Changes between Version 4 and Version 5 of WikiProcessors


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Dec 27, 2020 9:24:54 PM (3 years ago)
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trac
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  • WikiProcessors

    v4 v5  
    1 = Wiki Processors =
     1= Wiki Processors
    22
    33Processors are WikiMacros designed to provide alternative markup formats for the [TracWiki Wiki engine]. Processors can be thought of as ''macro functions to process user-edited text''.
    44
    5 Wiki processors can be used in any Wiki text throughout Trac,
    6 for various different purposes, like:
    7  - [#CodeHighlightingSupport syntax highlighting] or for rendering text verbatim,
    8  - rendering [#HTMLrelated Wiki markup inside a context],
    9    like inside <div> blocks or <span> or within <td> or <th> table cells,
    10  - using an alternative markup syntax, like [wiki:WikiHtml raw HTML] and
    11    [wiki:WikiRestructuredText Restructured Text],
    12    or [http://www.textism.com/tools/textile/ textile]
    13 
    14 
    15 == Using Processors ==
    16 
    17 To use a processor on a block of text, first delimit the lines using
    18 a Wiki ''code block'':
     5Wiki processors can be used in any Wiki text throughout Trac, such as:
     6 - [#CodeHighlightingSupport syntax highlighting] or for rendering text verbatim
     7 - rendering [#HTMLrelated Wiki markup inside a context], like inside <div> blocks or <span> or within <td> or <th> table cells
     8 - using an alternative markup syntax, like [WikiHtml raw HTML] and [WikiRestructuredText Restructured Text] or [http://www.textism.com/tools/textile/ textile]
     9
     10== Using Processors
     11
     12To use a processor on a block of text, first delimit the lines using a Wiki ''code block'':
    1913{{{
    2014{{{
    … …  
    2418}}}
    2519
    26 Immediately after the `{{{` or on the line just below,
    27 add `#!` followed by the ''processor name''.
     20Immediately after the `{{{` or on the line just below, add `#!` followed by the ''processor name'':
    2821
    2922{{{
    … …  
    3730This is the "shebang" notation, familiar to most UNIX users.
    3831
    39 Besides their content, some Wiki processors can also accept ''parameters'',
    40 which are then given as `key=value` pairs after the processor name,
    41 on the same line. If `value` has to contain space, as it's often the case for
    42 the style parameter, a quoted string can be used (`key="value with space"`).
    43 
    44 As some processors are meant to process Wiki markup, it's quite possible to
    45 ''nest'' processor blocks.
    46 You may want to indent the content of nested blocks for increased clarity,
    47 this extra indentation will be ignored when processing the content.
    48 
    49 
    50 == Examples ==
     32Besides their content, some Wiki processors can also accept ''parameters'', which are then given as `key=value` pairs after the processor name and on the same line. If `value` has to contain space, as it's often the case for the style parameter, a quoted string can be used (`key="value with space"`).
     33
     34As some processors are meant to process Wiki markup, it's quite possible to ''nest'' processor blocks.
     35You may want to indent the content of nested blocks for increased clarity, this extra indentation will be ignored when processing the content.
     36
     37== Examples
    5138
    5239||= Wiki Markup =||= Display =||
    … …  
    150137  }}}
    151138}}}
    152 == Available Processors ==
     139
     140== Available Processors
    153141
    154142The following processors are included in the Trac distribution:
    155143
    156 || '''`#!default`''' || Present the text verbatim in a preformatted text block. This is the same as specifying ''no'' processor name (and no `#!`) ||
    157 || '''`#!comment`''' || Do not process the text in this section (i.e. contents exist only in the plain text - not in the rendered page). ||
    158 |||| ||
    159 ||||= '''HTML related''' =||
     144|| '''`#!default`''' || Present the text verbatim in a preformatted text block. This is the same as specifying ''no'' processor name (and no `#!`). ||
     145|| '''`#!comment`''' || Do not process the text in this section, i.e. contents exist only in the plain text - not in the rendered page. ||
     146|| '''`#!rtl`''' || Introduce a Right-To-Left block with appropriate CSS direction and styling. ''(since 0.12.2)'' ||
     147|||| ||
     148||||= '''[=#HTMLrelated HTML related]''' =||
    160149|| '''`#!html`''' || Insert custom HTML in a wiki page. ||
    161 || '''`#!htmlcomment`''' || Insert an HTML comment in a wiki page (''since 0.12''). ||
     150|| '''`#!htmlcomment`''' || Insert an HTML comment in a wiki page. (''since 0.12'') ||
    162151|| || Note that `#!html` blocks have to be ''self-contained'', i.e. you can't start an HTML element in one block and close it later in a second block. Use the following processors for achieving a similar effect.  ||
    163 || '''`#!div`''' || Wrap an arbitrary Wiki content inside a <div> element (''since 0.11''). ||
    164 || '''`#!span`''' || Wrap an arbitrary Wiki content inside a <span> element (''since 0.11''). ||
    165 || '''`#!td`''' || Wrap an arbitrary Wiki content inside a <td> element (''since 0.12'') ||
    166 || '''`#!th`''' || Wrap an arbitrary Wiki content inside a <th> element (''since 0.12'') ||
    167 || '''`#!tr`''' || Can optionally be used for wrapping `#!td` and `#!th` blocks, either for specifying row attributes of better visual grouping (''since 0.12'') ||
     152|| '''`#!div`''' || Wrap wiki content inside a <div> element. ||
     153|| '''`#!span`''' || Wrap wiki content inside a <span> element. ||
     154|| '''`#!td`''' || Wrap wiki content inside a <td> element. (''since 0.12'') ||
     155|| '''`#!th`''' || Wrap wiki content inside a <th> element. (''since 0.12'') ||
     156|| '''`#!tr`''' || Can optionally be used for wrapping `#!td` and `#!th` blocks, either for specifying row attributes or better visual grouping. (''since 0.12'') ||
     157|| '''`#!table`''' || Can optionally be used for wrapping `#!tr`, `#!td` and `#!th` blocks, for specifying table attributes. One current limitation however is that tables cannot be nested. (''since 0.12'') ||
    168158|| || See WikiHtml for example usage and more details about these processors. ||
    169159|||| ||
    … …  
    172162|| '''`#!textile`''' || Supported if [http://cheeseshop.python.org/pypi/textile Textile] is installed. See [http://www.textism.com/tools/textile/ a Textile reference]. ||
    173163|||| ||
    174 ||||= '''Code Highlighting Support''' =||
    175 || '''`#!c`''' [[BR]] '''`#!cpp`''' (C++) [[BR]] '''`#!python`''' [[BR]] '''`#!perl`''' [[BR]] '''`#!ruby`''' [[BR]] '''`#!php`''' [[BR]] '''`#!asp`''' [[BR]] '''`#!java`''' [[BR]] '''`#!js`''' (Javascript) [[BR]] '''`#!sql`''' [[BR]] '''`#!xml`''' (XML or HTML) [[BR]] '''`#!sh`''' (!Bourne/Bash shell) [[BR]] '''etc.''' [[BR]] || Trac includes processors to provide inline syntax highlighting for source code in various languages. [[BR]] [[BR]] Trac relies on external software packages for syntax coloring, like [http://pygments.org Pygments]. [[BR]] [[BR]] See TracSyntaxColoring for information about which languages are supported and how to enable support for more languages. ||
     164||||= '''[=#CodeHighlightingSupport Code Highlighting Support]''' =||
     165|| '''`#!c`''' [[BR]] '''`#!cpp`''' (C++) [[BR]] '''`#!python`''' [[BR]] '''`#!perl`''' [[BR]] '''`#!ruby`''' [[BR]] '''`#!php`''' [[BR]] '''`#!asp`''' [[BR]] '''`#!java`''' [[BR]] '''`#!js`''' (Javascript) [[BR]] '''`#!sql`''' [[BR]] '''`#!xml`''' (XML or HTML) [[BR]] '''`#!sh`''' (!Bourne/Bash shell) [[BR]] '''etc.''' [[BR]] || Trac includes processors to provide inline syntax highlighting for source code in various languages. [[BR]] [[BR]] Trac relies on [http://pygments.org Pygments] for syntax coloring. [[BR]] [[BR]] See TracSyntaxColoring for information about which languages are supported and how to enable support for more languages. ||
    176166|||| ||
    177167
    … …  
    183173Some examples:
    184174 {{{
    185 {{{
    186 #!text/html
     175{{{#!text/html
    187176<h1>text</h1>
    188177}}}
    … …  
    191180{{{#!td
    192181The result will be syntax highlighted HTML code:
     182 {{{#!text/html
     183<h1>text</h1>
     184 }}}
     185
     186The same is valid for all other [TracSyntaxColoring#SyntaxColoringSupport mime types supported].
     187}}}
     188}}}
     189{{{#!td
    193190 {{{
    194 #!text/html
    195 <h1>text</h1>
    196  }}}
    197 
    198 The same is valid for all other [TracSyntaxColoring#SyntaxColoringSupport mime types supported].
    199 }}}
    200 }}}
    201 {{{#!td
    202  {{{
    203 {{{
    204 #!diff
     191{{{#!diff
    205192--- Version 55
    206193+++ Version 56
    … …  
    223210{{{#!td
    224211'''`#!diff`''' has a particularly nice renderer:
    225  {{{
    226 #!diff
     212 {{{#!diff
    227213--- Version 55
    228214+++ Version 56
    … …  
    243229}}}
    244230
    245 For more processor macros developed and/or contributed by users, visit:
    246  * [trac:ProcessorBazaar]
    247  * [trac:MacroBazaar]
    248  * [http://trac-hacks.org Trac Hacks] community site
    249 
    250 Developing processors is no different from Wiki macros.
    251 In fact they work the same way, only the usage syntax differs.
    252 See WikiMacros#DevelopingCustomMacros for more information.
    253 
     231For more processor macros developed and/or contributed by users, visit the [https://trac-hacks.org Trac Hacks] community site.
     232
     233Developing processors is no different from Wiki macros. In fact, they work the same way, only the usage syntax differs. See WikiMacros#DevelopingCustomMacros for more information.
    254234
    255235----