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Vim: Preview a Markdown document in the default browser on Windows or Mac OS X
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| " | |
| " While editing a Markdown document in Vim, preview it in the | |
| " default browser. | |
| " | |
| " Author: Nate Silva | |
| " | |
| " To install: Place markdown.vim in ~/.vim/ftplugin or | |
| " %USERPROFILE%\vimfiles\ftplugin. | |
| " | |
| " To use: While editing a Markdown file, press ',p' (comma p) | |
| " | |
| " Tested on Windows and Mac OS X. Should work on Linux if you set | |
| " BROWSER_COMMAND properly. | |
| " | |
| " Requires the `markdown` command to be on the system path. If you | |
| " do not have the `markdown` command, install one of the following: | |
| " | |
| " http://www.pell.portland.or.us/~orc/Code/discount/ | |
| " http://www.freewisdom.org/projects/python-markdown/ | |
| " | |
| function!PreviewMarkdown() | |
| " ************************************************************** | |
| " Configurable settings | |
| let MARKDOWN_COMMAND = 'markdown' | |
| if has('win32') | |
| " note important extra pair of double-quotes | |
| let BROWSER_COMMAND = 'cmd.exe /c start ""' | |
| else | |
| let BROWSER_COMMAND = 'open' | |
| endif | |
| " End of configurable settings | |
| " ************************************************************** | |
| silent update | |
| let output_name = tempname() . '.html' | |
| " Some Markdown implementations, especially the Python one, | |
| " work best with UTF-8. If our buffer is not in UTF-8, convert | |
| " it before running Markdown, then convert it back. | |
| let original_encoding = &fileencoding | |
| let original_bomb = &bomb | |
| if original_encoding != 'utf-8' || original_bomb == 1 | |
| set nobomb | |
| set fileencoding=utf-8 | |
| silent update | |
| endif | |
| " Write the HTML header. Do a CSS reset, followed by setting up | |
| " some basic styles from YUI, so the output looks nice. | |
| let file_header = ['<html>', '<head>', | |
| \ '<meta http-equiv="Content-Type" content="text/html; charset=utf-8">', | |
| \ '<title>Markdown Preview</title>', | |
| \ '<link rel="stylesheet" type="text/css" href="http://yui.yahooapis.com/3.3.0/build/cssreset/reset-min.css">', | |
| \ '<link rel="stylesheet" type="text/css" href="http://yui.yahooapis.com/3.3.0/build/cssbase/base-min.css">', | |
| \ '<link rel="stylesheet" type="text/css" href="http://yui.yahooapis.com/3.3.0/build/cssfonts/fonts-min.css">', | |
| \ '<style>body{padding:20px;}div#container{background-color:#F2F2F2;padding:0 20px;margin:0px;border:solid #D0D0D0 1px;}</style>', | |
| \ '</head>', '<body>', '<div id="container">'] | |
| call writefile(file_header, output_name) | |
| let md_command = '!' . MARKDOWN_COMMAND . ' "' . expand('%:p') . '" >> "' . | |
| \ output_name . '"' | |
| silent exec md_command | |
| if has('win32') | |
| let footer_name = tempname() | |
| call writefile(['</div></body></html>'], footer_name) | |
| silent exec '!type "' . footer_name . '" >> "' . output_name . '"' | |
| exec delete(footer_name) | |
| else | |
| silent exec '!echo "</div></body></html>" >> "' . | |
| \ output_name . '"' | |
| endif | |
| " If we changed the encoding, change it back. | |
| if original_encoding != 'utf-8' || original_bomb == 1 | |
| if original_bomb == 1 | |
| set bomb | |
| endif | |
| silent exec 'set fileencoding=' . original_encoding | |
| silent update | |
| endif | |
| silent exec '!' . BROWSER_COMMAND . ' "' . output_name . '"' | |
| exec input('Press ENTER to continue...') | |
| echo | |
| exec delete(output_name) | |
| endfunction | |
| " Map this feature to the key sequence ',p' (comma lowercase-p) | |
| map ,p :call PreviewMarkdown()<CR> |
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