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"""syntax highlighting in hgweb, based on Pygments
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It depends on the pygments syntax highlighting library:
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http://pygments.org/
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To enable the extension add this to hgrc:
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[extensions]
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hgext.highlight =
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There is a single configuration option:
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[web]
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pygments_style = <style>
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The default is 'colorful'.
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-- Adam Hupp <adam@hupp.org>
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"""
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import highlight
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from mercurial.hgweb import webcommands, webutil, common
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from mercurial import extensions
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def filerevision_highlight(orig, web, tmpl, fctx):
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mt = ''.join(tmpl('mimetype', encoding=web.encoding))
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# only pygmentize for mimetype containing 'html' so we both match
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# 'text/html' and possibly 'application/xhtml+xml' in the future
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# so that we don't have to touch the extension when the mimetype
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# for a template changes; also hgweb optimizes the case that a
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# raw file is sent using rawfile() and doesn't call us, so we
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# can't clash with the file's content-type here in case we
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# pygmentize a html file
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if 'html' in mt:
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style = web.config('web', 'pygments_style', 'colorful')
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highlight.pygmentize('fileline', fctx, style, tmpl)
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return orig(web, tmpl, fctx)
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def annotate_highlight(orig, web, req, tmpl):
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mt = ''.join(tmpl('mimetype', encoding=web.encoding))
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if 'html' in mt:
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fctx = webutil.filectx(web.repo, req)
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style = web.config('web', 'pygments_style', 'colorful')
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highlight.pygmentize('annotateline', fctx, style, tmpl)
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return orig(web, req, tmpl)
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def generate_css(web, req, tmpl):
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pg_style = web.config('web', 'pygments_style', 'colorful')
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fmter = highlight.HtmlFormatter(style = pg_style)
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req.respond(common.HTTP_OK, 'text/css')
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return ['/* pygments_style = %s */\n\n' % pg_style, fmter.get_style_defs('')]
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# monkeypatch in the new version
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extensions.wrapfunction(webcommands, '_filerevision', filerevision_highlight)
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extensions.wrapfunction(webcommands, 'annotate', annotate_highlight)
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webcommands.highlightcss = generate_css
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webcommands.__all__.append('highlightcss')
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