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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167

use std::{
    fmt::Display,
    io::{Result, Write},
    path::Path,
};

use general::{cfg_condition, version_condition};

use crate::{
    config::{gobjects::GObject, WorkMode},
    env::Env,
    file_saver::*,
    library::Member,
    version::Version,
};

mod alias;
mod bound;
mod child_properties;
mod constants;
mod doc;
mod enums;
mod flags;
pub mod function;
mod function_body_chunk;
mod functions;
mod general;
mod object;
mod objects;
mod parameter;
mod properties;
mod property_body;
mod record;
mod records;
mod ref_mode;
mod return_value;
mod signal;
mod signal_body;
mod special_functions;
mod sys;
mod trait_impls;
mod trampoline;
mod trampoline_from_glib;
mod visibility;
pub use visibility::Visibility;
mod trampoline_to_glib;
pub mod translate_from_glib;
pub mod translate_to_glib;

pub fn generate(env: &Env) {
    match env.config.work_mode {
        WorkMode::Normal => normal_generate(env),
        WorkMode::Sys => sys::generate(env),
        WorkMode::Doc => doc::generate(env),
        WorkMode::DisplayNotBound => {}
    }
}

fn normal_generate(env: &Env) {
    let mut mod_rs: Vec<String> = Vec::new();
    let mut traits: Vec<String> = Vec::new();
    let mut builders: Vec<String> = Vec::new();
    let root_path = env.config.auto_path.as_path();

    generate_single_version_file(env);
    objects::generate(env, root_path, &mut mod_rs, &mut traits, &mut builders);
    records::generate(env, root_path, &mut mod_rs);
    enums::generate(env, root_path, &mut mod_rs);
    flags::generate(env, root_path, &mut mod_rs);
    alias::generate(env, root_path, &mut mod_rs);
    functions::generate(env, root_path, &mut mod_rs);
    constants::generate(env, root_path, &mut mod_rs);

    generate_mod_rs(env, root_path, &mod_rs, &traits, &builders);
}

pub fn generate_mod_rs(
    env: &Env,
    root_path: &Path,
    mod_rs: &[String],
    traits: &[String],
    builders: &[String],
) {
    let path = root_path.join("mod.rs");
    save_to_file(path, env.config.make_backup, |w| {
        general::start_comments(w, &env.config)?;
        general::write_vec(w, mod_rs)?;
        writeln!(w)?;
        if !traits.is_empty() {
            writeln!(w, "pub(crate) mod traits {{")?;
            general::write_vec(w, traits)?;
            writeln!(w, "}}")?;
        }

        if !builders.is_empty() {
            writeln!(w, "pub(crate) mod builders {{")?;
            general::write_vec(w, builders)?;
            writeln!(w, "}}")?;
        }
        Ok(())
    });
}

pub fn generate_single_version_file(env: &Env) {
    if let Some(ref path) = env.config.single_version_file {
        save_to_file(path, env.config.make_backup, |w| {
            general::single_version_file(w, &env.config, "")
        });
    }
}

pub fn generate_default_impl<
    'a,
    D: Display,
    F: Fn(&'a Member) -> Option<(Option<Version>, Option<&'a String>, D)>,
>(
    w: &mut dyn Write,
    env: &Env,
    config: &GObject,
    type_name: &str,
    type_version: Option<Version>,
    mut members: impl Iterator<Item = &'a Member>,
    callback: F,
) -> Result<()> {
    if let Some(ref default_value) = config.default_value {
        let member = match members.find(|m| m.name == *default_value) {
            Some(m) => m,
            None => {
                log::error!(
                    "type `{}` doesn't have a member named `{}`. Not generating default impl.",
                    type_name,
                    default_value,
                );
                return Ok(());
            }
        };
        let (version, cfg_cond, member_name) = match callback(member) {
            Some(n) => n,
            None => {
                log::error!(
                    "member `{}` on type `{}` isn't generated so no default impl.",
                    default_value,
                    type_name,
                );
                return Ok(());
            }
        };

        // First we generate the type cfg.
        version_condition(w, env, None, type_version, false, 0)?;
        cfg_condition(w, config.cfg_condition.as_ref(), false, 0)?;
        // Then we generate the member cfg.
        version_condition(w, env, None, version, false, 0)?;
        cfg_condition(w, cfg_cond, false, 0)?;
        writeln!(
            w,
            "\n\
             impl Default for {type_name} {{\n\
             \tfn default() -> Self {{\n\
             \t\tSelf::{member_name}\n\
             \t}}\n\
             }}\n",
        )
    } else {
        Ok(())
    }
}