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provide Yaml.Object to Yaml.Node conversion

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This commit is contained in:
a-Sansara 2018-08-19 23:15:24 +02:00
parent 6c6d8db513
commit 87664f31b4
10 changed files with 281 additions and 36 deletions
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4
README.md
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@ -336,13 +336,13 @@ public class Example : Yaml.Object
...
```
Secondly you must override the `Yaml.Object populate_by_type (Glib.Type, Yaml.Node node)` original method.
Secondly you must override the `Yaml.Object populate_from_node (Glib.Type, Yaml.Node node)` original method.
`populate_by_type` is called by the Yaml.Builder only if the type property is prealably registered.
Example of implementation from `src/vala/Pluie/Yaml.Example.vala` :
```vala
public override void populate_by_type(GLib.Type type, Yaml.Node node)
public override void populate_from_node(GLib.Type type, Yaml.Node node)
{
if (type == typeof (Yaml.ExampleStruct)) {
this.type_struct = ExampleStruct.from_yaml_node (node);

4
meson.build
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@ -27,7 +27,7 @@
#
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
#
project('libpluie-yaml', 'vala', 'c', version:'0.5')
project('pluie-yaml', 'vala', 'c', version:'0.5')
cc = meson.get_compiler('c')
dep_glib = dependency('glib-2.0')
@ -41,7 +41,7 @@ dep_yaml = cc.find_library('yaml', required : true)
#~ add_global_link_arguments('-lyaml', language : 'c')
version = '0.5'
version = meson.project_version()
bindir = join_paths(get_option('prefix'), get_option('bindir'))
datadir = join_paths(get_option('prefix'), get_option('datadir'), 'pluie/yaml')
libdir = join_paths(get_option('prefix'), get_option('libdir'), 'pkgconfig')

11
samples/yaml-tag.vala
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@ -64,17 +64,18 @@ int main (string[] args)
Yaml.Example? o = null;
foreach (var entry in list.entries) {
if ((o = (Yaml.Example) entry.value)!=null) {
of.action ("Getting Hard coded values for Yaml.Object %s".printf (of.c (ECHO.MICROTIME).s (o.type_from_self ())), entry.key);
of.action ("Getting Hard coded values for Yaml.Object %s".printf (of.c (ECHO.MICROTIME).s (o.get_type().name ())), entry.key);
of.keyval("yaml_name" , "%s" .printf(o.yaml_name));
of.keyval("type_int" , "%d" .printf(o.type_int));
of.keyval("type_bool" , "%s" .printf(o.type_bool.to_string ()));
of.keyval("type_char" , "%c" .printf(o.type_char));
of.keyval("type_string", "%s" .printf(o.type_string));
of.keyval("type_string" , "%s" .printf(o.type_string));
of.keyval("type_uchar" , "%u" .printf(o.type_uchar));
of.keyval("type_uint" , "%u" .printf(o.type_uint));
of.keyval("type_float" , "%f" .printf(o.type_float));
of.keyval("type_double", "%f" .printf(o.type_double));
of.keyval("type_struct", "%s" .printf(o.type_struct.to_string ()));
of.keyval("type_object", "%s" .printf(o.type_object.get_type ().name ()));
of.keyval("type_double" , "%f" .printf(o.type_double));
of.keyval("type_struct" , "%s" .printf(o.type_struct.to_string ()));
of.keyval("type_object" , "%s" .printf(o.type_object.get_type ().name ()));
of.keyval(" toto" , "%s (string)" .printf(o.type_object.toto));
of.keyval(" tapa" , "%s (string)" .printf(o.type_object.tata));
of.keyval(" titi" , "%d (int)" .printf(o.type_object.titi));

84
samples/yaml-tonode.vala Normal file
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@ -0,0 +1,84 @@
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* @software : pluie-yaml <https://git.pluie.org/pluie/lib-yaml>
* @version : 0.5
* @type : library
* @date : 2018
* @licence : GPLv3.0 <http://www.gnu.org/licenses/>
* @author : a-Sansara <[dev]at[pluie]dot[org]>
* @copyright : pluie.org <http://www.pluie.org/>
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* This file is part of pluie-yaml.
*
* pluie-yaml is free software (free as in speech) : you can redistribute it
* and/or modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* pluie-yaml is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with pluie-yaml. If not, see <http://www.gnu.org/licenses/>.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
using GLib;
using Gee;
using Pluie;
int main (string[] args)
{
Echo.init(false);
var path = Yaml.DATA_PATH + "/tag.yml";
var done = false;
of.title ("Pluie Yaml Library", Pluie.Yaml.VERSION, "a-sansara");
Pluie.Yaml.DEBUG = false;
var config = new Yaml.Config (path, true);
var root = config.root_node ();
root.display_childs ();
var obj = (Yaml.Example) Yaml.Builder.from_node (root.first ());
of.action ("Getting Hard coded values for Yaml.Object %s".printf (of.c (ECHO.MICROTIME).s (obj.get_type().name ())), obj.yaml_name);
of.keyval("yaml_name" , "%s" .printf(obj.yaml_name));
of.keyval("type_int" , "%d" .printf(obj.type_int));
of.keyval("type_bool" , "%s" .printf(obj.type_bool.to_string ()));
of.keyval("type_char" , "%c" .printf(obj.type_char));
of.keyval("type_string" , "%s" .printf(obj.type_string));
of.keyval("type_uchar" , "%c" .printf(obj.type_uchar));
of.keyval("type_uint" , "%u" .printf(obj.type_uint));
of.keyval("type_float" , "%f" .printf(obj.type_float));
of.keyval("type_double" , "%f" .printf(obj.type_double));
of.keyval("type_enum" , "%s" .printf(obj.type_enum.to_string ()));
of.keyval("type_struct" , "%s" .printf(obj.type_struct.to_string ()));
of.keyval("type_object" , "%s" .printf(obj.type_object.get_type ().name ()));
of.keyval(" toto" , "%s (string)" .printf(obj.type_object.toto));
of.keyval(" tapa" , "%s (string)" .printf(obj.type_object.tata));
of.keyval(" titi" , "%d (int)" .printf(obj.type_object.titi));
of.keyval(" tutu" , "%s (bool)" .printf(obj.type_object.tutu.to_string ()));
obj.type_object.method_a ();
if (obj.type_gee_al != null) {
of.keyval("type_gee_al", "(%s)" .printf(obj.type_gee_al.get_type ().name ()));
foreach (string v in obj.type_gee_al) {
of.echo(" - item : %s".printf (v));
}
}
var n = Yaml.Builder.to_node (obj);
if ((done = n !=null)) {
n.display_childs ();
}
of.rs (done);
of.echo ();
return (int) done;
}

104
src/vala/Pluie/Yaml.Builder.vala
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@ -131,6 +131,7 @@ public class Pluie.Yaml.Builder
Yaml.dbg_action ("vala type founded", "%s (%s)".printf (type.name (), type.to_string ()));
if (type.is_object ()) {
obj = (Yaml.Object) GLib.Object.new (type);
obj.set ("yaml_name", node.name);
if (node!= null && !node.empty ()) {
GLib.ParamSpec? def = null;
Yaml.Node? scalar = null;
@ -174,7 +175,7 @@ public class Pluie.Yaml.Builder
}
else if (Yaml.Object.register.is_registered_type(parentType, type)) {
Yaml.dbg ("%s is a registered type".printf (type.name ()));
obj.populate_by_type (type, node);
obj.populate_from_node (type, node);
}
else {
Dbg.error ("%s is not registered and cannot be populated".printf (type.name ()), Log.METHOD, Log.LINE);
@ -238,6 +239,58 @@ public class Pluie.Yaml.Builder
}
}
/**
*
*/
public static string? get_basic_type_value (GLib.Object obj, GLib.Type type, string name)
{
GLib.Value v = GLib.Value(Type.STRING);
switch (type)
{
case Type.STRING :
string s;
obj.get (name, out s);
v = s;
break;
case Type.CHAR :
char c;
obj.get (name, out c);
v = c.to_string ();
break;
case Type.UCHAR :
uchar c;
obj.get (name, out c);
break;
case Type.UINT64 :
case Type.UINT :
uint64 i;
obj.get (name, out i);
break;
case Type.INT64 :
case Type.INT :
int64 i;
obj.get (name, out i);
v = i.to_string ();
break;
case Type.BOOLEAN :
bool b;
obj.get (name, out b);
v = b.to_string ();
break;
case Type.DOUBLE :
double d;
obj.get (name, out d);
v = "%f".printf (d);
break;
case Type.FLOAT :
float f;
obj.get (name, out f);
v = "%f".printf (f);
break;
}
return (string) v;
}
/**
*
*/
@ -259,4 +312,53 @@ public class Pluie.Yaml.Builder
//~ of.echo ("enumValue : %d".printf (enumval.value));
}
public static string transform_param_name (string name)
{
return name.replace("-", "_");
}
/**
*
*/
public static Yaml.Node to_node (Yaml.Object obj, Yaml.Node? parent = null, bool root = true)
{
var node = new Yaml.Mapping (parent, obj.yaml_name);
string? name = null;
foreach (var def in obj.get_class ().list_properties ()){
name = Yaml.Builder.transform_param_name(def.name);
if (name != null && name != "yaml_name") {
if (def.value_type.is_a (typeof (Yaml.Object)) || Yaml.Object.register.is_registered_type(obj.get_type (), def.value_type)) {
var child = obj.populate_to_node(def.value_type, name);
if (child != null) {
node.add (child);
}
}
else if (def.value_type.is_enum ()) {
EnumValue enumval;
obj.get (name, out enumval);
string data = enumval.value.to_string ();
var n = new Yaml.Mapping.with_scalar (node, name, (string) data);
n.tag = new Yaml.Tag (def.value_type.name (), "v");
}
else if (def.value_type.is_fundamental ()) {
string data = Yaml.Builder.get_basic_type_value(obj, def.value_type, name);
if (data != null) {
new Yaml.Mapping.with_scalar (node, name, (string) data);
}
}
else {
of.error ("type %s for property %s is not registered".printf (def.value_type.name (), name));
}
}
}
node.tag = new Yaml.Tag (obj.get_type ().name (), "v");
if (root) {
var rootNode = new Yaml.Root();
rootNode.add (node);
rootNode.tag_directives["!v!"] = "tag:pluie.org,2018:vala/";
return rootNode;
}
else return node;
}
}

27
src/vala/Pluie/Yaml.Example.vala
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@ -78,13 +78,13 @@ public class Pluie.Yaml.Example : Yaml.Object
protected override void yaml_init ()
{
// base.yaml_init ();
Dbg.msg ("Yaml.Object %s (%s) instantiated".printf (this.myname, this.type_from_self ()), Log.LINE, Log.FILE);
Dbg.msg ("Yaml.Object %s (%s) instantiated".printf (this.myname, this.get_type().name ()), Log.LINE, Log.FILE);
}
/**
*
*/
public override void populate_by_type(GLib.Type type, Yaml.Node node)
public override void populate_from_node(GLib.Type type, Yaml.Node node)
{
try {
if (type == typeof (Yaml.ExampleStruct)) {
@ -104,4 +104,27 @@ public class Pluie.Yaml.Example : Yaml.Object
}
}
/**
*
*/
public override Yaml.Node? populate_to_node(GLib.Type type, string name)
{
Yaml.Node? node = base.populate_to_node (type, name);
if (node == null) {
if (type == typeof (Yaml.ExampleStruct)) {
node = new Yaml.Mapping (null, name);
new Yaml.Mapping.with_scalar (node, "red" , this.type_struct.red.to_string ());
new Yaml.Mapping.with_scalar (node, "green", this.type_struct.green.to_string ());
new Yaml.Mapping.with_scalar (node, "blue" , this.type_struct.blue.to_string ());
}
else if (type == typeof (Gee.ArrayList)) {
node = new Yaml.Sequence (null, name);
foreach (var data in this.type_gee_al) {
new Yaml.Scalar (node, data);
}
}
node.tag = new Yaml.Tag (type.name (), "v");
}
return node;
}
}

2
src/vala/Pluie/Yaml.ExampleChild.vala
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@ -40,6 +40,6 @@ public class Pluie.Yaml.ExampleChild : Yaml.Object
public void method_a ()
{
of.echo (" called method from object %s builded via yaml".printf (this.type_from_self ()));
of.echo (" called method from object %s builded via yaml".printf (this.get_type().name ()));
}
}

21
src/vala/Pluie/Yaml.ExampleStruct.vala
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@ -27,12 +27,27 @@
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
/**
*
*/
public struct Pluie.Yaml.ExampleStruct
{
/**
*
*/
public uint red;
/**
*
*/
public uint green;
/**
*
*/
public uint blue;
/**
*
*/
public static ExampleStruct from_yaml_node (Yaml.Node node)
{
var s = ExampleStruct ();
@ -52,6 +67,10 @@ public struct Pluie.Yaml.ExampleStruct
}
return s;
}
/**
*
*/
public string to_string ()
{
return "%s(red:%u,green:%u,blue:%u)".printf ((typeof (ExampleStruct)).name (), this.red, this.green, this.blue);

37
src/vala/Pluie/Yaml.Object.vala
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@ -35,17 +35,28 @@ using Gee;
*/
public abstract class Pluie.Yaml.Object : GLib.Object
{
/**
*
*/
public string yaml_name { get; internal set; }
/**
*
*/
public static Yaml.Register register { get; private set; }
/**
*
*/
public static Yaml.Tag yaml_tag { get; internal set; }
/**
*
*/
static construct
{
register = new Yaml.Register();
yaml_tag = new Tag (typeof (Pluie.Yaml.Object).name (), "v");
}
/**
@ -53,24 +64,30 @@ public abstract class Pluie.Yaml.Object : GLib.Object
*/
public virtual void yaml_init ()
{
Dbg.msg ("Yaml.Object (%s) instantiated".printf (this.type_from_self ()), Log.LINE, Log.FILE);
}
/**
* retiew GLib.Type related to instance
*/
public string type_from_self ()
{
return Type.from_instance (this).name ();
Dbg.msg ("Yaml.Object (%s) instantiated".printf (this.get_type().name ()), Log.LINE, Log.FILE);
}
/**
*
*/
public virtual void populate_by_type(GLib.Type type, Yaml.Node node)
public virtual void populate_from_node(GLib.Type type, Yaml.Node node)
{
if (type.is_a (typeof (Yaml.Object))) {
this.set (node.name, Yaml.Builder.from_node(node, type));
}
}
/**
*
*/
public virtual Yaml.Node? populate_to_node(GLib.Type type, string name)
{
Yaml.Node? node = null;
if (type.is_a (typeof (Yaml.Object))) {
var o = (Yaml.Object) GLib.Object.new (type);
this.get (name, out o);
node = Yaml.Builder.to_node (o, null, false);
}
return node;
}
}

1
valadoc.sh
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@ -1,5 +1,4 @@
#!/bin/bash
#!/bin/bash
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
#
# @software : pluie-yaml <https://git.pluie.org/pluie/lib-yaml>