Enlightenment CVS committal
Author : technikolor
Project : web
Module : e
Dir : web/e/data
Modified Files:
edb.html
Log Message:
EDB page complete.
===================================================================
RCS file: /cvsroot/enlightenment/web/e/data/edb.html,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -3 -r1.7 -r1.8
--- edb.html 2 Feb 2004 07:15:29 -0000 1.7
+++ edb.html 3 Feb 2004 10:48:53 -0000 1.8
@@ -4,10 +4,83 @@
<img src="img/titles/edb.png">
-<p>This is a database library based on Berkeley DB 2.7.7 from
- <a href="http://www.sleepycat.com";>http://www.sleepycat.com</a>.
- It is intended to make accessing database information portable,
- easy, fast and efficient.</p>
+<p>
+EDB is a database convenience library wrapped around the Berkeley DB 2.7.7 by
+<a href="http://www.sleepycat.com";>Sleepycat Software</a>. It is intended to
+make accessing database information portable, easy, fast and efficient.
+</p>
+
+<p>
+EDB provides an excellent method of storing and retrieving application
+configuration information, although it can be used for more extensively
+than that. Ebits, the predecessor to Edje, even used EDB as a container
+for Ebits themes prior to EET. An Edb consists of a series of key/value
+pairs, which can consist of a variety of data types, including
+integers, floating point values, strings, and binary data. The simplified
+API provides simple, complete, and unified functions for managing and
+accessing your database.
+</p>
+
+<p>
+In addition to the library, a variety of tools are available to access
+and modify your EDBs. edb_ed provides a simple command line interface
+that can easily be scripted, especially useful for use with the GNU autotools
+suite. edb_vt_ed provides an easy to use curses interface. And edb_gtk_ed
+provides an elegant and easy GUI interface, especially useful for end user
+editing of configuration data contained in EDBs.
+</p>
+
+<p>
+Here is a simple example of EDB usage...
+</p>
+
+<div class="code">
+
+<pre>
+#include <Edb.h>
+#include <stdio.h>
+
+int main() {
+
+ E_DB_File * my_edb;
+ E_DB_File * our_edb;
+ float var1 = 12.11;
+ int my_int;
+ float my_float;
+
+ printf("Writing...\n");
+ my_edb = e_db_open("/tmp/example.db");
+
+ e_db_property_set(my_edb, "Application", "My App");
+ e_db_int_set(my_edb, "Elements", 10);
+ e_db_float_set(my_edb, "Percent Complete", var1);
+ e_db_str_set(my_edb, "Font", "/path/to/font.ttf");
+
+ e_db_close(my_edb);
+
+ printf("Reading...\n");
+ our_edb = e_db_open_read("/tmp/example.db");
+
+ if(e_db_int_get(our_edb, "Elements", &my_int))
+ printf("Elements has value %d\n", my_int);
+
+ if(e_db_float_get(our_edb, "Percent Complete", &my_float))
+ printf("Completion has value %f\n", my_float);
+
+ e_db_close(our_edb);
+}
+</pre>
+</div>
+
+<p>
+This code is compiled in the following manner: gcc `edb-config --libs --cflags`
edb_test.c -o edb_test
+</p>
+
+<p>The EDB that results from the above code when viewed in edb_gtk_ed looks like
this:</p>
+
+<center>
+<a href="img/edb_gtk_example.png"><img src="img/tn2_edb_gtk_example.png"
class="sshot"></a>
+</center>
<p class="manager">EDB's project manager is <a href="team.html" class="lite">Carsten
"Rasterman" Haitzler</a>.</p>
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