1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82

use linked_hash_map::LinkedHashMap;
use regex::Regex;

/*
 * Table / internal data types.
 */
pub type TableRow<K, V> = LinkedHashMap<K, V>;
pub type Table<K, V> = Vec<TableRow<K, V>>;
pub type MultiTables<K, V> = Vec<Table<K, V>>;
pub type Headers = Vec<String>;
pub type NamedTable<K, V> = (String, Table<K, V>);
pub type ErroredTable = (String, String);

/*
 * Filtering
 */

#[derive(Clone, Serialize, Deserialize, Debug)]
pub struct KVFilter {
    #[serde(with = "build_regex")]
    pub key_re: Regex,

    #[serde(with = "build_regex")]
    pub value_re: Regex,
}

mod build_regex {
    use serde::{self, Deserialize, Deserializer, Serializer};

    use regex::Regex;

    // The signature of a serialize_with function must follow the pattern:
    //
    //    fn serialize<S>(&T, S) -> Result<S::Ok, S::Error>
    //    where
    //        S: Serializer
    //
    // although it may also be generic over the input types T.
    pub fn serialize<S>(re: &Regex, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        let s = format!("{}", re.to_string());
        serializer.serialize_str(&s)
    }

    // The signature of a deserialize_with function must follow the pattern:
    //
    //    fn deserialize<'de, D>(D) -> Result<T, D::Error>
    //    where
    //        D: Deserializer<'de>
    //
    // although it may also be generic over the output types T.
    pub fn deserialize<'de, D>(deserializer: D) -> Result<Regex, D::Error>
    where
        D: Deserializer<'de>,
    {
        let s = String::deserialize(deserializer)?;
        Regex::new(&s).map_err(serde::de::Error::custom)
    }
}

impl KVFilter {
    pub fn new(key: String, value: String) -> KVFilter {
        let key_re = Regex::new(&key).unwrap();
        let value_re = Regex::new(&value).unwrap();

        KVFilter {
            key_re: key_re,
            value_re: value_re,
        }
    }
}
/**e
 * The API generally will support the RenderOptions
 */
#[derive(Default, Clone)]
pub struct RenderOptions {
    pub filters: Option<Vec<KVFilter>>,
    pub headings: Option<Headers>,
    pub sheet_name: Option<String>,
}