wolfrpg_map_parser/command/
db_management_command.rs

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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
use crate::byte_utils::{as_u32_le, parse_string};
use crate::command::common::u32_or_string::U32OrString;
use crate::command::db_management_command::assignment::Assignment;
use crate::command::db_management_command::options::Options;
use crate::command::db_management_command::state::State;
#[cfg(feature = "serde")]
use serde::Serialize;

pub mod base;
pub mod options;
pub mod db_operation_type;
pub mod db_type;
pub mod assignment;
pub mod assignment_operator;
pub mod string;
pub mod csv;
pub mod state;

#[cfg_attr(feature = "serde", derive(Serialize))]
pub struct DBManagementCommand {
    db_type: U32OrString, // name for table?
    data: U32OrString,    // name for tuple?
    field: U32OrString,
    assignment: Assignment,
    options: Options,
    state: State
}

impl DBManagementCommand {
    fn parse(bytes: &[u8], parse_state: fn(&[u8]) -> (usize, State)) -> (usize, Self) {
        let mut offset: usize = 0;

        let db_type: u32 = as_u32_le(&bytes[offset..offset + 4]);
        offset += 4;

        let data: u32 = as_u32_le(&bytes[offset..offset + 4]);
        offset += 4;

        let field: u32 = as_u32_le(&bytes[offset..offset + 4]);
        offset += 4;

        let assignment: u8 = bytes[offset];
        let assignment: Assignment = Assignment::new(assignment);
        offset += 1;

        let options: u8 = bytes[offset];
        let options: Options = Options::new(options);
        offset += 1;

        offset += 2; // padding

        let (bytes_read, state): (usize, State) = parse_state(&bytes[offset..]);
        offset += bytes_read;

        let (bytes_read, db_type_string): (usize, String) = parse_string(&bytes[offset..]);
        let db_type: U32OrString = Self::get_u32_or_string(db_type, db_type_string);
        offset += bytes_read;

        let (bytes_read, data_string): (usize, String) = parse_string(&bytes[offset..]);
        let data: U32OrString = Self::get_u32_or_string(data, data_string);
        offset += bytes_read;

        let (bytes_read, field_string): (usize, String) = parse_string(&bytes[offset..]);
        let field: U32OrString = Self::get_u32_or_string(field, field_string);
        offset += bytes_read;

        offset += 1; // Command end signature

        (offset, Self {
            db_type,
            data,
            field,
            assignment,
            options,
            state
        })
    }

    pub fn parse_base(bytes: &[u8]) -> (usize, Self) {
        Self::parse(bytes, State::parse_base)
    }

    pub fn parse_string(bytes: &[u8]) -> (usize, Self) {
        Self::parse(bytes, State::parse_string)
    }

    pub fn parse_csv(bytes: &[u8]) -> (usize, Self) {
        Self::parse(bytes, State::parse_csv)
    }

    fn get_u32_or_string(value: u32, string: String) -> U32OrString {
        if !string.is_empty() {
            U32OrString::String(string)
        } else {
            U32OrString::U32(value)
        }
    }

    pub fn db_type(&self) -> &U32OrString {
        &self.db_type
    }
    
    pub fn db_type_mut(&mut self) -> &mut U32OrString {
        &mut self.db_type
    }

    pub fn data(&self) -> &U32OrString {
        &self.data
    }
    
    pub fn data_mut(&mut self) -> &mut U32OrString {
        &mut self.data
    }

    pub fn field(&self) -> &U32OrString {
        &self.field
    }
    
    pub fn field_mut(&mut self) -> &mut U32OrString {
        &mut self.field
    }

    pub fn assignment(&self) -> &Assignment {
        &self.assignment
    }
    
    pub fn assignment_mut(&mut self) -> &mut Assignment {
        &mut self.assignment
    }

    pub fn options(&self) -> &Options {
        &self.options
    }
    
    pub fn options_mut(&mut self) -> &mut Options {
        &mut self.options
    }

    pub fn state(&self) -> &State {
        &self.state
    }
    
    pub fn state_mut(&mut self) -> &mut State {
        &mut self.state
    }
}