##// 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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default = 'shortlog'
mimetype = 'text/html; charset={encoding}'
header = header.tmpl
footer = footer.tmpl
search = search.tmpl
changelog = shortlog.tmpl
shortlog = shortlog.tmpl
shortlogentry = shortlogentry.tmpl
graph = graph.tmpl
help = help.tmpl
helptopics = helptopics.tmpl
helpentry = '
<tr><td>
<a href="{url|urlescape}help/{topic|escape}{sessionvars%urlparameter}">
{if(basename, '{basename|escape}', '{topic|escape}')}
</a>
</td><td>
{summary|escape}
</td></tr>'
naventry = '<a href="{url|urlescape}log/{node|short}{sessionvars%urlparameter}">{label|escape}</a> '
navshortentry = '<a href="{url|urlescape}shortlog/{node|short}{sessionvars%urlparameter}">{label|escape}</a> '
navgraphentry = '<a href="{url|urlescape}graph/{node|short}{sessionvars%urlparameter}">{label|escape}</a> '
filenaventry = '<a href="{url|urlescape}log/{node|short}/{file|urlescape}{sessionvars%urlparameter}">{label|escape}</a> '
filedifflink = '<a href="{url|urlescape}diff/{node|short}/{file|urlescape}{sessionvars%urlparameter}">{file|escape}</a> '
filenodelink = '<a href="{url|urlescape}file/{node|short}/{file|urlescape}{sessionvars%urlparameter}">{file|escape}</a> '
filenolink = '{file|escape} '
fileellipses = '...'
diffstatlink = diffstat.tmpl
diffstatnolink = diffstat.tmpl
changelogentry = shortlogentry.tmpl
searchentry = shortlogentry.tmpl
changeset = changeset.tmpl
manifest = manifest.tmpl
nav = '{before%naventry} {after%naventry}'
navshort = '{before%navshortentry}{after%navshortentry}'
navgraph = '{before%navgraphentry}{after%navgraphentry}'
filenav = '{before%filenaventry}{after%filenaventry}'
direntry = '
<tr class="fileline">
<td class="name">
<a href="{url|urlescape}file/{symrev}{path|urlescape}{sessionvars%urlparameter}">
<img src="{staticurl|urlescape}coal-folder.png" alt="dir."/> {basename|escape}/
</a>
<a href="{url|urlescape}file/{symrev}{path|urlescape}/{emptydirs|urlescape}{sessionvars%urlparameter}">
{emptydirs|escape}
</a>
</td>
<td class="size"></td>
<td class="permissions">drwxr-xr-x</td>
</tr>'
fileentry = '
<tr class="fileline">
<td class="filename">
<a href="{url|urlescape}file/{symrev}/{file|urlescape}{sessionvars%urlparameter}">
<img src="{staticurl|urlescape}coal-file.png" alt="file"/> {basename|escape}
</a>
</td>
<td class="size">{size}</td>
<td class="permissions">{permissions|permissions}</td>
</tr>'
filerevision = filerevision.tmpl
fileannotate = fileannotate.tmpl
filediff = filediff.tmpl
filecomparison = filecomparison.tmpl
filelog = filelog.tmpl
fileline = '
<span id="{lineid}">{strip(line|escape, '\r\n')}</span><a href="#{lineid}"></a>'
filelogentry = filelogentry.tmpl
annotateline = '
<tr id="{lineid}"{ifeq(node, originalnode, ' class="thisrev"')}>
<td class="annotate parity{blockparity}">
{if(blockhead,
'<a href="{url|urlescape}annotate/{node|short}/{file|urlescape}{sessionvars%urlparameter}#l{targetline}">
{rev}
</a>')}
<div class="annotate-info">
<div>
<a href="{url|urlescape}annotate/{node|short}/{file|urlescape}{sessionvars%urlparameter}#l{targetline}">
{node|short}</a>
{desc|escape|firstline}
</div>
<div><em>{author|obfuscate}</em></div>
<div>parents: {parents%annotateparent}</div>
<a href="{url|urlescape}diff/{node|short}/{file|urlescape}{sessionvars%urlparameter}">diff</a>
<a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">changeset</a>
</div>
</td>
<td class="source"><a href="#{lineid}">{linenumber}</a> {line|escape}</td>
</tr>'
annotateparent = '
<a href="{url|urlescape}annotate/{node|short}/{file|urlescape}{sessionvars%urlparameter}">{rev}</a>'
diffblock = '<div class="bottomline inc-lineno"><pre class="sourcelines wrap">{lines}</pre></div>'
difflineplus = '
<span id="{lineid}" class="plusline">{strip(line|escape, '\r\n')}</span><a href="#{lineid}"></a>'
difflineminus = '
<span id="{lineid}" class="minusline">{strip(line|escape, '\r\n')}</span><a href="#{lineid}"></a>'
difflineat = '
<span id="{lineid}" class="atline">{strip(line|escape, '\r\n')}</span><a href="#{lineid}"></a>'
diffline = '
<span id="{lineid}">{strip(line|escape, '\r\n')}</span><a href="#{lineid}"></a>'
comparisonblock ='
<tbody class="block">
{lines}
</tbody>'
comparisonline = '
<tr id="{lineid}">
<td class="source {type}"><a href="#{lineid}">{leftlinenumber}</a> {leftline|escape}</td>
<td class="source {type}"><a href="#{lineid}">{rightlinenumber}</a> {rightline|escape}</td>
</tr>'
changesetparent = '<a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">{node|short}</a> '
changesetparentdiff = '
{changesetparent}
{ifeq(node, basenode, '(current diff)', '({difffrom})')}'
difffrom = '<a href="{url|urlescape}rev/{node|short}:{originalnode|short}{sessionvars%urlparameter}">diff</a>'
filerevparent = '<a href="{url|urlescape}file/{node|short}/{file|urlescape}{sessionvars%urlparameter}">{rename%filerename}{node|short}</a> '
filerevchild = '<a href="{url|urlescape}file/{node|short}/{file|urlescape}{sessionvars%urlparameter}">{node|short}</a> '
filerename = '{file|escape}@'
filelogrename = '
<span class="base">
base
<a href="{url|urlescape}file/{node|short}/{file|urlescape}{sessionvars%urlparameter}">
{file|escape}@{node|short}
</a>
</span>'
fileannotateparent = '
<tr>
<td class="metatag">parent:</td>
<td>
<a href="{url|urlescape}annotate/{node|short}/{file|urlescape}{sessionvars%urlparameter}">
{rename%filerename}{node|short}
</a>
</td>
</tr>'
changesetchild = ' <a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">{node|short}</a>'
fileannotatechild = '
<tr>
<td class="metatag">child:</td>
<td>
<a href="{url|urlescape}annotate/{node|short}/{file|urlescape}{sessionvars%urlparameter}">
{node|short}
</a>
</td>
</tr>'
tags = tags.tmpl
tagentry = '
<tr class="tagEntry">
<td>
<a href="{url|urlescape}rev/{tag|revescape}{sessionvars%urlparameter}">
{tag|escape}
</a>
</td>
<td class="node">
<a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">
{node|short}
</a>
</td>
</tr>'
bookmarks = bookmarks.tmpl
bookmarkentry = '
<tr class="tagEntry">
<td>
<a href="{url|urlescape}rev/{bookmark|revescape}{sessionvars%urlparameter}">
{bookmark|escape}
</a>
</td>
<td class="node">
<a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">
{node|short}
</a>
</td>
</tr>'
branches = branches.tmpl
branchentry = '
<tr class="tagEntry">
<td>
<a href="{url|urlescape}shortlog/{branch|revescape}{sessionvars%urlparameter}" class="{status}">
{branch|escape}
</a>
</td>
<td class="node">
<a href="{url|urlescape}shortlog/{node|short}{sessionvars%urlparameter}" class="{status}">
{node|short}
</a>
</td>
</tr>'
changelogtag = '<span class="tag">{name|escape}</span> '
changesettag = '<span class="tag">{tag|escape}</span> '
changesetbookmark = '<span class="tag">{bookmark|escape}</span> '
changelogbranchhead = '<span class="branchhead">{name|escape}</span> '
changelogbranchname = '<span class="branchname">{name|escape}</span> '
filediffparent = '
<tr>
<th class="parent">parent {rev}:</th>
<td class="parent"><a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">{node|short}</a></td>
</tr>'
filediffchild = '
<tr>
<th class="child">child {rev}:</th>
<td class="child"><a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">{node|short}</a>
</td>
</tr>'
indexentry = '
<tr>
<td><a href="{url|urlescape}{sessionvars%urlparameter}">{name|escape}</a></td>
<td>{description}</td>
<td>{contact|obfuscate}</td>
<td class="age">{lastchange|rfc822date}</td>
<td class="indexlinks">{archives%indexarchiveentry}</td>
<td>
{if(isdirectory, '',
'<a href="{url|urlescape}atom-log" title="subscribe to repository atom feed">
<img class="atom-logo" src="{staticurl|urlescape}feed-icon-14x14.png" alt="subscribe to repository atom feed">
</a>'
)}
</td>
</tr>\n'
indexarchiveentry = '<a href="{url|urlescape}archive/{node|short}{extension|urlescape}">&nbsp;&darr;{type|escape}</a>'
index = index.tmpl
archiveentry = '
<li>
<a href="{url|urlescape}archive/{symrev}{extension|urlescape}{ifeq(path,'/','',path|urlescape)}">{type|escape}</a>
</li>'
notfound = notfound.tmpl
error = error.tmpl
urlparameter = '{separator}{name}={value|urlescape}'
hiddenformentry = '<input type="hidden" name="{name}" value="{value|escape}" />'
breadcrumb = '&gt; <a href="{url|urlescape}">{name|escape}</a> '
searchhint = 'Find changesets by keywords (author, files, the commit message), revision
number or hash, or <a href="{url|urlescape}help/revsets">revset expression</a>.'