##// END OF EJS Templates
util: compression APIs to support revlog compression...
util: compression APIs to support revlog compression As part of "zstd all of the things," we need to teach revlogs to use non-zlib compression formats. Because we're routing all compression via the "compression manager" and "compression engine" APIs, we need to introduction functionality there for performing revlog operations. Ideally, revlog compression and decompression operations would be implemented in terms of simple "compress" and "decompress" primitives. However, there are a few considerations that make us want to have a specialized primitive for handling revlogs: 1) Performance. Revlogs tend to do compression and especially decompression operations in batches. Any overhead for e.g. instantiating a "context" for performing an operation can be noticed. For this reason, our "revlog compressor" primitive is reusable. For zstd, we reuse the same compression "context" for multiple operations. I've measured this to have a performance impact versus constructing new contexts for each operation. 2) Specialization. By having a primitive dedicated to revlog use, we can make revlog-specific choices and leave the door open for more functionality in the future. For example, the zstd revlog compressor may one day make use of dictionary compression. A future patch will introduce a decompress() on the compressor object. The code for the zlib compressor is basically copied from revlog.compress(). Although it doesn't handle the empty input case, the null first byte case, and the 'u' prefix case. These cases will continue to be handled in revlog.py once that code is ported to use this API.

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filerevision.tmpl
67 lines | 3.1 KiB | application/x-cheetah | CheetahLexer
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 {header}
<title>{repo|escape}: {file|escape}@{node|short}</title>
Thomas Arendsen Hein
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...
r18526 <link rel="alternate" type="application/atom+xml" href="{url|urlescape}atom-log" title="Atom feed for {repo|escape}"/>
<link rel="alternate" type="application/rss+xml" href="{url|urlescape}rss-log" title="RSS feed for {repo|escape}"/>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 </head>
<body>
<div id="container">
<div class="page-header">
Angel Ezquerra <angel.ezquerra at gmail.com>
hgweb: add a "URL breadcrumb" to the index and repository pages...
r18258 <h1 class="breadcrumb"><a href="/">Mercurial</a> {pathdef%breadcrumb} / file revision</h1>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999
Thomas Arendsen Hein
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...
r18526 <form action="{url|urlescape}log">
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 {sessionvars%hiddenformentry}
<dl class="search">
<dt><label>Search: </label></dt>
<dd><input type="text" name="rev" /></dd>
</dl>
</form>
<ul class="page-nav">
Thomas Arendsen Hein
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...
r18526 <li><a href="{url|urlescape}summary{sessionvars%urlparameter}">summary</a></li>
<li><a href="{url|urlescape}shortlog{sessionvars%urlparameter}">shortlog</a></li>
<li><a href="{url|urlescape}changelog{sessionvars%urlparameter}">changelog</a></li>
av6
hgweb: don't dereference symbolic revision in monoblue style...
r25604 <li><a href="{url|urlescape}graph/{symrev}{sessionvars%urlparameter}">graph</a></li>
Thomas Arendsen Hein
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...
r18526 <li><a href="{url|urlescape}tags{sessionvars%urlparameter}">tags</a></li>
<li><a href="{url|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>
<li><a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a></li>
av6
hgweb: don't dereference symbolic revision in monoblue style...
r25604 <li><a href="{url|urlescape}file/{symrev}{path|urlescape}{sessionvars%urlparameter}">files</a></li>
Thomas Arendsen Hein
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...
r18526 <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 </ul>
</div>
<ul class="submenu">
<li class="current">file</li>
av6
monoblue: add a link to the latest file revision...
r26598 <li><a href="{url|urlescape}file/tip/{file|urlescape}{sessionvars%urlparameter}">latest</a></li>
av6
hgweb: don't dereference symbolic revision in monoblue style...
r25604 <li><a href="{url|urlescape}log/{symrev}/{file|urlescape}{sessionvars%urlparameter}">revisions</a></li>
<li><a href="{url|urlescape}annotate/{symrev}/{file|urlescape}{sessionvars%urlparameter}">annotate</a></li>
<li><a href="{url|urlescape}diff/{symrev}/{file|urlescape}{sessionvars%urlparameter}">diff</a></li>
<li><a href="{url|urlescape}comparison/{symrev}/{file|urlescape}{sessionvars%urlparameter}">comparison</a></li>
<li><a href="{url|urlescape}raw-file/{symrev}/{file|urlescape}">raw</a></li>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 </ul>
<h2 class="no-link no-border">{file|escape}@{node|short}</h2>
<h3 class="changeset">{file|escape}</h3>
Anton Shestakov
hgweb: recreate old DOM structure for css in monoblue style...
r24109 <p class="changeset-age"><span class="age">{date|rfc822date}</span></p>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999
<dl class="overview">
<dt>author</dt>
<dd>{author|obfuscate}</dd>
<dt>date</dt>
Brodie Rao
hgweb: fix dynamic date calculation not working under Safari...
r15375 <dd>{date|rfc822date}</dd>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 {branch%filerevbranch}
<dt>changeset {rev}</dt>
Thomas Arendsen Hein
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...
r18526 <dd><a class="list" href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">{node|short}</a></dd>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 {parent%filerevparent}
{child%filerevchild}
<dt>permissions</dt>
<dd>{permissions|permissions}</dd>
</dl>
Angel Ezquerra
hgweb: apply the websub filter to revision descriptions...
r18628 <p class="description">{desc|strip|escape|websub|addbreaks|nonempty}</p>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999
<div class="source">
av6
monoblue: port code selection without line numbers from gitweb...
r26314 <pre class="sourcelines stripes">{text%fileline}</pre>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 </div>
{footer}