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

use super::{ListQuery, ScriptQuery, ScriptQueryInner};
use crate::config::Config;
use crate::error::{Error, Result};
use crate::fuzzy;
use crate::script::{IntoScriptName, ScriptInfo};
use crate::script_repo::{ScriptRepo, ScriptRepoEntry};
use fxhash::FxHashSet as HashSet;

pub async fn do_list_query<'a>(
    repo: &'a mut ScriptRepo,
    queries: &[ListQuery],
) -> Result<Vec<ScriptRepoEntry<'a>>> {
    if queries.len() == 0 {
        return Ok(repo.iter_mut(false).collect());
    }
    let mut mem = HashSet::<i64>::default();
    let mut ret = vec![];
    let repo_ptr = repo as *mut ScriptRepo;
    for query in queries.iter() {
        // SAFETY: `mem` 已保證回傳的陣列不可能包含相同的資料
        let repo = unsafe { &mut *repo_ptr };
        match query {
            ListQuery::Pattern(re) => {
                for script in repo.iter_mut(false) {
                    if re.is_match(&script.name.key()) {
                        if mem.contains(&script.id) {
                            continue;
                        }
                        mem.insert(script.id);
                        ret.push(script);
                    }
                }
            }
            ListQuery::Query(query) => {
                let script = match do_script_query_strict(query, repo).await {
                    Err(Error::DontFuzz) => continue,
                    Ok(entry) => entry,
                    Err(e) => return Err(e),
                };
                if mem.contains(&script.id) {
                    continue;
                }
                mem.insert(script.id);
                ret.push(script);
            }
        }
    }
    Ok(ret)
}

pub async fn do_script_query<'b>(
    script_query: &ScriptQuery,
    script_repo: &'b mut ScriptRepo,
) -> Result<Option<ScriptRepoEntry<'b>>> {
    log::debug!("開始尋找 `{:?}`", script_query);
    let all = script_query.bang;
    match &script_query.inner {
        ScriptQueryInner::Prev(prev) => {
            let latest = script_repo.latest_mut(*prev, all);
            log::trace!("找最新腳本");
            return if latest.is_some() {
                Ok(latest)
            } else {
                Err(Error::Empty)
            };
        }
        ScriptQueryInner::Exact(name) => Ok(script_repo.get_mut(name, all)),
        ScriptQueryInner::Fuzz(name) => {
            let level = Config::get()?.prompt_level;
            let fuzz_res = fuzzy::fuzz(name, script_repo.iter_mut(all)).await?;
            let need_prompt: bool;
            let entry = match fuzz_res {
                Some(fuzzy::High(entry)) => {
                    need_prompt = false;
                    entry
                }
                Some(fuzzy::Low(entry)) => {
                    need_prompt = true;
                    entry
                }
                Some(fuzzy::Multi { ans, .. }) => {
                    need_prompt = true;
                    ans
                }
                None => return Ok(None),
            };
            if (need_prompt && !level.never()) | level.always() {
                prompt_fuzz_acceptable(&*entry)?;
            }
            Ok(Some(entry))
        }
    }
}
pub async fn do_script_query_strict<'b>(
    script_query: &ScriptQuery,
    script_repo: &'b mut ScriptRepo,
) -> Result<ScriptRepoEntry<'b>> {
    match do_script_query(script_query, script_repo).await {
        Err(e) => Err(e),
        Ok(None) => Err(Error::ScriptNotFound(
            script_query.clone().into_script_name()?.to_string(), // TODO: 簡單點？
        )),
        Ok(Some(info)) => Ok(info),
    }
}

fn prompt_fuzz_acceptable(script: &ScriptInfo) -> Result {
    use colored::{Color, Colorize};
    use console::{Key, Term};

    let term = Term::stderr();

    let color = Config::get()?.get_color(&script.ty)?;
    let msg = format!(
        "{} [Y/N]",
        format!("{}({})?", script.name, script.ty)
            .color(color)
            .bold(),
    );
    term.hide_cursor()?;
    let ok = loop {
        term.write_str(&msg)?;
        match term.read_key()? {
            Key::Char('Y') => break true,
            Key::Char('y') => break true,
            Key::Char('N') => break false,
            Key::Char('n') => break false,
            Key::Char(ch) => term.write_line(&format!(" Unknown key '{}'", ch))?,
            _ => break true,
        }
    };
    term.show_cursor()?;
    if ok {
        term.write_line(&" Y".color(Color::Green).to_string())?;
        Ok(())
    } else {
        term.write_line(&" N".color(Color::Red).to_string())?;
        Err(Error::DontFuzz)
    }
}