2013-03-12 16:38:58 -04:00
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XTHML 1.0 Strict//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<head>
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<link rel="stylesheet" type="text/css" href="styles.css" />
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<title>tpl home page</title>
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</head>
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<body>
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<div id="banner">
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2013-03-12 20:53:41 -04:00
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<img src="banner.png" alt="easy data storage and retrieval in C" />
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2013-03-12 16:38:58 -04:00
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</div> <!-- banner -->
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<div id="topnav">
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2013-03-12 17:23:06 -04:00
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<a href="http://github.com/troydhanson/tpl">GitHub page</a> >
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2013-03-12 16:38:58 -04:00
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tpl home
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2013-03-12 17:23:06 -04:00
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2013-03-12 16:38:58 -04:00
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</div> <!-- topnav -->
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<hr />
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<div id="mid">
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<div id="nav">
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<h2>documentation</h2>
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<div><a href="userguide.html">user guide</a></div>
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2013-03-12 16:38:58 -04:00
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2013-03-12 17:23:06 -04:00
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<h2>activity</h2>
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2013-03-12 16:38:58 -04:00
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<div><a href="ChangeLog.html">ChangeLog</a></div>
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2013-03-12 17:23:06 -04:00
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<h2>download</h2>
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<h3>Linux, Windows, BSD, OS X</h3>
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<div><a href=https://github.com/troydhanson/tpl/archive/master.zip>tpl-master.zip</a></div>
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<div><a href=https://github.com/troydhanson/tpl>git clone</a></div>
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2013-03-12 16:38:58 -04:00
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<h2>license</h2>
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<div><a href="license.html">BSD revised</a></div>
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<h2>developer</h2>
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<div>Troy D. Hanson</div>
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2014-12-02 13:35:02 -05:00
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<div><a href="http://troydhanson.github.io/">my projects</a></div>
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2013-03-12 17:23:06 -04:00
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2013-03-12 16:38:58 -04:00
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</div> <!-- nav -->
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<div id="main">
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<div>
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<div class="lead">Efficient serialization in C</div>
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You can use tpl to store and reload your C data quickly and easily.
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Tpl works with files, memory buffers and file descriptors so it's
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suitable for use as a file format, IPC message format or any scenario
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where you need to store and retrieve your data.
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</div>
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<div>
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<div class="lead">Express your data</div>
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Just express the type of data you are working with as a tpl format string. For
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example, if you have a list of numeric ids and corresponding usernames, your
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format string is <em>A(is)</em>. Map your C variables to the format string and
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then pack or unpack data. The format string lets you focus on your data,
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rather than the storage format.
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</div>
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<div class="listing">
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<table summary="example of storing and reloading an integer array">
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<tr>
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<th>
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Storing ids and usernames
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</th>
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<th>
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Reloading ids and usernames
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</th>
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</tr>
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<tr>
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<td>
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<div class="code">
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<pre>
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#include "tpl.h"
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int main(int argc, char *argv[]) {
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tpl_node *tn;
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int id=0;
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char *name, *names[] = { "joe", "bob", "cary" };
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tn = tpl_map("A(is)", &id, &name);
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for(name=names[0]; id < 3; name=names[++id]) {
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tpl_pack(tn,1);
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}
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tpl_dump(tn, TPL_FILE, "users.tpl");
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tpl_free(tn);
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}
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</pre>
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</div> <!-- code -->
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</td>
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<td>
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<div class="code">
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<pre>
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#include "tpl.h"
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int main(int argc, char *argv[]) {
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tpl_node *tn;
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int id;
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char *name;
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tn = tpl_map("A(is)", &id, &name);
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tpl_load(tn, TPL_FILE, "users.tpl");
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while ( tpl_unpack(tn,1) > 0 ) {
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printf("id %d, user %s\n", id, name);
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free(name);
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}
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tpl_free(tn);
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}
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</pre>
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</div> <!-- code -->
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</td>
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</tr>
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</table>
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</div> <!-- listing -->
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<div>
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<div class="lead">No library dependencies</div>
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Tpl does not make your software dependent on any libraries. You can compile its
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source code (one file) right into your program.
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</div>
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<div class="lead">For more information</div>
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For a more thorough explanation and more examples, please read the
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<a href="userguide.html">User Guide.</a>
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</div> <!-- main -->
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</div> <!-- mid -->
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<hr />
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<div id="footer">
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</div> <!-- footer -->
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</body>
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</html>
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