aermicioi.aedi_property_reader.xml.type

1 /**
2 License:
3     Boost Software License - Version 1.0 - August 17th, 2003
4 
5     Permission is hereby granted, free of charge, to any person or organization
6     obtaining a copy of the software and accompanying documentation covered by
7     this license (the "Software") to use, reproduce, display, distribute,
8     execute, and transmit the Software, and to prepare derivative works of the
9     Software, and to permit third-parties to whom the Software is furnished to
10     do so, all subject to the following:
11 
12     The copyright notices in the Software and this entire statement, including
13     the above license grant, this restriction and the following disclaimer,
14     must be included in all copies of the Software, in whole or in part, and
15     all derivative works of the Software, unless such copies or derivative
16     works are solely in the form of machine-executable object code generated by
17     a source language processor.
18 
19     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21     FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
22     SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
23     FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
24     ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25     DEALINGS IN THE SOFTWARE.
26 
27 Authors:
28     Alexandru Ermicioi
29 **/
30 module aermicioi.aedi_property_reader.xml.type_guesser;
31 
32 import aermicioi.aedi.configurer.annotation.annotation;
33 import aermicioi.aedi_property_reader.convertor.type_guesser;
34 import aermicioi.aedi_property_reader.xml.accessor;
35 import std.xml;
36 
37 @component
38 auto delegatingObjectTypeGuesser(
39     TypeGuesser!Element elementGuesser,
40     TypeGuesser!string attributeGuesser
41 ) {
42     return new DelegatingObjectTypeGuesser!(Element, string)(elementGuesser, attributeGuesser);
43 }
44 
45 /**
46 ditto
47 **/
48 @component
49 class ElementTypeGuesser : TypeGuesser!Element {
50 
51     public {
52 
53         /**
54         Guess type of underlying xml element or attribute
55 
56         Params:
57             serialized = xml element or attribute
58 
59         Returns:
60             TypeInfo of contained element
61         **/
62         TypeInfo guess(Element serialized) const @trusted {
63             import std.algorithm : all;
64             import std.meta : AliasSeq;
65 
66             if (serialized.items.all!(item => (() @trusted => cast(Text) item)() !is null)) {
67                 return typeid(string);
68             }
69 
70             static foreach (Type; AliasSeq!(CData, ProcessingInstruction, Element)) {
71                 if (serialized.items.all!(item => (() @trusted => cast(Type) item)() !is null)) {
72                     return typeid(Type[]);
73                 }
74             }
75 
76             return typeid(Item[]);
77         }
78     }
79 }