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# highlight - syntax highlighting in hgweb, based on Pygments
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#
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# Copyright 2008, 2009 Patrick Mezard <pmezard@gmail.com> and others
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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#
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# The original module was split in an interface and an implementation
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# file to defer pygments loading and speedup extension setup.
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"""syntax highlighting for hgweb (requires Pygments)
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It depends on the Pygments syntax highlighting library:
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http://pygments.org/
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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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"""
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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, encoding
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# Note for extension authors: ONLY specify testedwith = 'internal' for
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# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
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# be specifying the version(s) of Mercurial they are tested with, or
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# leave the attribute unspecified.
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testedwith = 'internal'
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def filerevision_highlight(orig, web, req, tmpl, fctx):
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mt = ''.join(tmpl('mimetype', encoding=encoding.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, req, tmpl, fctx)
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def annotate_highlight(orig, web, req, tmpl):
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mt = ''.join(tmpl('mimetype', encoding=encoding.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,
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fmter.get_style_defs('')]
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def extsetup():
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# monkeypatch in the new version
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extensions.wrapfunction(webcommands, '_filerevision',
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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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