aws_config_mod 0.3.0

Read and modify AWS configuration files while preserving existing whitespace and comments
Documentation 
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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112

//! Contains items related to parsing section paths. Section paths are comprised of a section name and type
//! and are used to identify specific sections within a configuration file.

use super::{SectionName, SectionType};
use crate::lexer::{to_owned_input, Parsable};
use nom::{bytes::complete::tag, combinator::eof};

// TODO: need to get rid of SectionPath and just have a generic path that makes no assumptions
// about what each part means. Whatever you give it to makes those decisions and then returns
// errors as necessary

/// Represents the path to a specific [crate::Section] in a config file.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct SectionPath {
    /// The type of the [crate::Section] to lookup. For example, could be 'profile' or 'sso-session', etc
    pub(crate) section_type: SectionType,

    /// The section name. For example, if we have a section with the heading '[profile A]', the [SectionName]
    /// is 'A'
    pub(crate) section_name: Option<SectionName>,
}

impl TryFrom<&str> for SectionPath {
    type Error = crate::Error;

    fn try_from(value: &str) -> Result<Self, Self::Error> {
        let (_, section_path) = Self::parse(value).map_err(to_owned_input)?;

        Ok(section_path)
    }
}

impl TryFrom<(&str, &str)> for SectionPath {
    type Error = crate::Error;

    fn try_from((section_type, section_name): (&str, &str)) -> Result<Self, Self::Error> {
        let (next, section_type) = SectionType::parse(section_type).map_err(to_owned_input)?;
        eof(next).map_err(to_owned_input)?;
        let (next, section_name) = SectionName::parse(section_name).map_err(to_owned_input)?;
        eof(next).map_err(to_owned_input)?;

        let config_path = (section_type, Some(section_name)).into();
        Ok(config_path)
    }
}

impl TryFrom<(SectionType, &str)> for SectionPath {
    type Error = crate::Error;

    fn try_from((section_type, section_name): (SectionType, &str)) -> Result<Self, Self::Error> {
        let (next, section_name) = SectionName::parse(section_name).map_err(to_owned_input)?;
        eof(next).map_err(to_owned_input)?;

        let config_path = (section_type, Some(section_name)).into();
        Ok(config_path)
    }
}

impl TryFrom<SectionType> for SectionPath {
    type Error = crate::Error;

    fn try_from(section_type: SectionType) -> Result<Self, Self::Error> {
        let section_path = match section_type {
            SectionType::Preview | SectionType::Plugins => SectionPath {
                section_type,
                section_name: None,
            },
            _ => Err(crate::Error::SectionNameNeeded(section_type))?,
        };

        Ok(section_path)
    }
}

impl From<(SectionType, Option<SectionName>)> for SectionPath {
    fn from((section_type, section_name): (SectionType, Option<SectionName>)) -> Self {
        SectionPath {
            section_type,
            section_name,
        }
    }
}

impl From<(SectionType, SectionName)> for SectionPath {
    fn from((section_type, section_name): (SectionType, SectionName)) -> Self {
        SectionPath {
            section_type,
            section_name: Some(section_name),
        }
    }
}

impl<'a> Parsable<'a> for SectionPath {
    type Output = Self;

    // TODO: fix this to handle default profile correctly
    fn parse(input: &'a str) -> crate::lexer::ParserOutput<'a, Self::Output> {
        let (next, section_type) = SectionType::parse(input)?;
        let (next, _) = tag(".")(next)?;

        let (next, section_name) = SectionName::parse(next)?;

        let section_name = Some(section_name);

        let config_path = Self {
            section_type,
            section_name,
        };

        Ok((next, config_path))
    }
}