diff options
| -rw-r--r-- | Master/texmf-dist/doc/context/third/filter/filter.txt | 45 | ||||
| -rw-r--r-- | Master/texmf-dist/tex/context/third/filter/t-filter.mkiv | 6 |
2 files changed, 44 insertions, 7 deletions
diff --git a/Master/texmf-dist/doc/context/third/filter/filter.txt b/Master/texmf-dist/doc/context/third/filter/filter.txt index 8a686827b41..b2a28a3e534 100644 --- a/Master/texmf-dist/doc/context/third/filter/filter.txt +++ b/Master/texmf-dist/doc/context/third/filter/filter.txt @@ -376,7 +376,7 @@ of all options. The current defaults are Passing options to filters -------------------------- -**Note** This option does not work for MkII or for inline snippets +**NOTE** This option does not work for MkII or for inline snippets Sometimes it is useful to pass options to a filter. For example, `pandoc` converts many different formats to ConTeXt (actually, to many different output @@ -434,7 +434,7 @@ Thus, all the following are valid: -Processing Existing Files +Processing existing Files ------------------------- A big advantage of a lightweight markup language like markdown is that it is @@ -445,7 +445,7 @@ file. To use such markdown files in ConTeXt, I can just use \processmarkdownfile{filename.md} The general macro is `\process<filter>file{...}`, which takes the name of a file -as an argument and uses that file as the input file for the filter. The rest of +**or a url** as an argument and uses that file as the input file for the filter. The rest of the processing is the same as with `\start<filter>` ... `\stop<filter>` environment. @@ -456,7 +456,42 @@ options: The options in the `[...]` are the same as those for `\defineexternalfilter`. -Processing Existing Buffers +Processing remote files +----------------------- + +**NOTE** Only works in MkIV + +The `\process<filter>file{...}` macro also processes remote files specified +using urls. For example, to see a typeset version of this manual, use + + \processmarkdownfile{https://raw.github.com/adityam/filter/master/README.md} + +This macro downloads the file in the background, and processes the local file using +`pandoc`. To prevent frequent downloads, the downloaded file is cached and the +file is re-downloaded only if the cached file is more than 1 day old. You can +override the default threshold using `schemes.threshold` directive. For example, +if you want to re-download the file every 5 minutes (= 300 seconds), add + + \enabledirectives[schemes.threshold=300] + +somewhere before `\starttext` or use + + context --directives=schemes.threshold=300 <filename> + +to compile the file. + +To see where the cached file is stored, add + + \enabletrackers[resolvers.schemes] + +or use + + context --trackers=resolvers.schemes <filename> + +to compile the file. + + +Processing existing buffers --------------------------- Like all macros built on top of buffers, the `\start<filter>` ... @@ -761,3 +796,5 @@ Version History - Functionality of force mode implemented using `cache=force`. - **2012.02.05** - Added `purge=yes|no` to control if the input file is deleted or not +- **2012.03.18** + - Process remote files diff --git a/Master/texmf-dist/tex/context/third/filter/t-filter.mkiv b/Master/texmf-dist/tex/context/third/filter/t-filter.mkiv index e5faaf99b80..c5b5e15bf3e 100644 --- a/Master/texmf-dist/tex/context/third/filter/t-filter.mkiv +++ b/Master/texmf-dist/tex/context/third/filter/t-filter.mkiv @@ -1,6 +1,6 @@ %D \module %D [ file=t-filter, -%D version=2012.02.11, +%D version=2012.03.18, %D title=\CONTEXT\ User Module, %D subtitle=Filter, %D author=Aditya Mahajan, @@ -9,7 +9,7 @@ %D email=adityam <at> ieee <dot> org, %D license=Simplified BSD License] -\writestatus{loading}{Filter (ver: 2012.02.11)} +\writestatus{loading}{Filter (ver: 2012.03.18)} % For backward compatibility \ifx\grabbufferdata\undefined \let\grabbufferdata \dostartbuffer \fi @@ -142,7 +142,7 @@ \externalfilter@set_directory - \edef\externalfilter@input_file{#3} + \edef\externalfilter@input_file{\locfilename{#3}} \splitfilename{#3} %NOTE: \edef doesn not work because \splitoffname is not expandable \def\externalfilter@base_file {\splitoffname} |