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138 lines
4.5 KiB
Rust
138 lines
4.5 KiB
Rust
/*
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* Snekdown - Custom Markdown flavour and parser
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* Copyright (C) 2021 Trivernis
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* See LICENSE for more information.
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*/
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use crate::elements::*;
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use crate::references::bibliography::create_bib_list;
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use chrono::prelude::*;
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use regex::Regex;
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macro_rules! block {
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($inner:expr) => {
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Element::Block(Box::new($inner))
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};
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}
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#[allow(unused)]
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macro_rules! line {
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($inner:expr) => {
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Element::Line(Box::new($inner))
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};
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}
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macro_rules! inline {
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($inner:expr) => {
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Element::Inline(Box::new($inner))
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};
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}
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pub(crate) trait ProcessPlaceholders {
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fn process_placeholders(&mut self);
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fn process_definitions(&mut self);
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}
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const S_VALUE: &str = "value";
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const P_TOC: &str = "toc";
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const P_BIB: &str = "bib";
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const P_GLS: &str = "gls";
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const P_DATE: &str = "date";
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const P_TIME: &str = "time";
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const P_DATETIME: &str = "datetime";
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const P_AUTHOR: &str = "author";
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const P_TITLE: &str = "title";
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impl ProcessPlaceholders for Document {
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/// parses all placeholders and assigns values to them
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fn process_placeholders(&mut self) {
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self.placeholders.iter().for_each(|p| {
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let mut pholder = p.write().unwrap();
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match pholder.name.to_lowercase().as_str() {
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P_TOC => {
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let ordered = if let Some(meta) = &pholder.metadata {
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meta.get_bool("ordered")
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} else {
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false
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};
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pholder.set_value(block!(Block::List(self.create_toc(ordered))))
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}
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P_BIB => pholder.set_value(block!(Block::List(create_bib_list(
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self.bibliography.get_entry_list_by_occurrence()
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)))),
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P_GLS => pholder.set_value(block!(Block::List(
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self.glossary.lock().create_glossary_list()
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))),
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P_DATE => pholder.set_value(inline!(Inline::Plain(PlainText {
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value: get_date_string()
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}))),
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P_TIME => pholder.set_value(inline!(Inline::Plain(PlainText {
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value: get_time_string()
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}))),
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P_DATETIME => pholder.set_value(inline!(Inline::Plain(PlainText {
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value: format!("{} {}", get_date_string(), get_time_string())
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}))),
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P_AUTHOR => {
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if let Some(value) = self.config.lock().metadata.author.clone() {
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pholder.set_value(inline!(Inline::Plain(PlainText { value })))
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}
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}
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P_TITLE => {
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if let Some(value) = self.config.lock().metadata.title.clone() {
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pholder.set_value(inline!(Inline::Plain(PlainText { value })))
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}
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}
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_ => {
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if let Some(value) = self
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.config
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.lock()
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.custom_attributes
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.get(pholder.name.to_lowercase().as_str())
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.cloned()
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{
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pholder.set_value(inline!(Inline::Plain(PlainText { value })))
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}
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}
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}
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})
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}
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fn process_definitions(&mut self) {
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lazy_static::lazy_static! {
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static ref RE_SET: Regex = Regex::new(r"^set:(.*)$").unwrap();
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}
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let placeholders = self.placeholders.clone();
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placeholders.iter().for_each(|p| {
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let mut pholder = p.write().unwrap();
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let name = pholder.name.clone();
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if let Some(cap) = RE_SET.captures(&name) {
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if let Some(key) = cap.get(1) {
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let key: &str = key.as_str();
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pholder.value = Some(inline!(Inline::Plain(PlainText {
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value: "".to_string()
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})));
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if let Some(meta) = &pholder.metadata {
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if let Some(value) = meta.data.get(S_VALUE) {
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self.config.lock().set_from_meta(key, value.clone())
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}
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}
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}
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return;
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}
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});
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}
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}
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fn get_time_string() -> String {
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let now = Local::now();
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format!("{:02}:{:02}:{:02}", now.hour(), now.minute(), now.second())
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}
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fn get_date_string() -> String {
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let now = Local::now();
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format!("{:02}.{:02}.{:04}", now.day(), now.month(), now.year())
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}
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