Fix doc rendering for imports

Cargo.lock

@@ -69,6 +69,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "num-integer 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -357,8 +358,9 @@ dependencies = [
 
 [[package]]
 name = "snekdown"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
+ "chrono 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "htmlescape 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "minify 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -454,6 +456,15 @@ dependencies = [
  "unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "time"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.71 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "unicode-segmentation"
 version = "1.6.0"
@@ -586,6 +597,7 @@ dependencies = [
 "checksum syntect 4.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "83b43a6ca1829ccb0c933b615c9ea83ffc8793ae240cecbd15119b13d741161d"
 "checksum termion 1.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "c22cec9d8978d906be5ac94bceb5a010d885c626c4c8855721a4dbd20e3ac905"
 "checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
+"checksum time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
 "checksum unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
 "checksum unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "caaa9d531767d1ff2150b9332433f32a24622147e5ebb1f26409d5da67afd479"
 "checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "snekdown"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["trivernis <trivernis@protonmail.com>"]
 edition = "2018"
 license-file = "LICENSE"
@@ -25,3 +25,4 @@ termion = "1.5.5"
 minify = "1.1.1"
 htmlescape = "0.3.1"
 syntect = "4.2.0"
+chrono = "0.4.11"

src/format/html.rs

@@ -1,4 +1,4 @@
-use crate::elements::*;
+use crate::parsing::elements::*;
 use htmlescape::{encode_attribute, encode_minimal};
 use minify::html::minify;
 use std::cell::RefCell;

src/lib.rs

@@ -1,4 +1,3 @@
-pub mod elements;
 pub mod format;
-pub mod parser;
-pub mod tokens;
+pub mod parsing;
+pub use parsing::parser::Parser;

src/main.rs

@@ -1,5 +1,5 @@
 use snekdown::format::html::ToHtml;
-use snekdown::parser::Parser;
+use snekdown::Parser;
 use std::fs::write;
 use std::time::Instant;
 use termion::style;

src/parsing/elements.rs

@@ -244,28 +244,23 @@ impl Document {
     pub fn create_toc(&self) -> List {
         let mut list = List::new();
         list.ordered = true;
-        self.elements.iter().for_each(|e| {
-            if let Block::Section(sec) = e {
+        self.elements.iter().for_each(|e| match e {
+            Block::Section(sec) => {
                 let mut item = ListItem::new(sec.header.line.clone(), 1, true);
                 item.children.append(&mut sec.get_toc_list().items);
                 list.add_item(item);
             }
+            Block::Import(imp) => {
+                let anchor = imp.anchor.lock().unwrap();
+                if let Some(doc) = &anchor.document {
+                    list.items.append(&mut doc.create_toc().items)
+                }
+            }
+            _ => {}
         });
 
         list
     }
-
-    pub fn parse_placeholders(&mut self) {
-        self.placeholders.iter().for_each(|p| {
-            let mut pholder = p.lock().unwrap();
-            match pholder.name.to_ascii_lowercase().as_str() {
-                "toc" => {
-                    pholder.set_value(Element::Block(Box::new(Block::List(self.create_toc()))))
-                }
-                _ => {}
-            }
-        })
-    }
 }
 
 impl Section {

src/parsing/mod.rs

@@ -0,0 +1,4 @@
+pub mod elements;
+pub mod parser;
+pub mod placeholders;
+pub mod tokens;

src/parsing/parser.rs

@@ -1,5 +1,6 @@
-use crate::elements::*;
-use crate::tokens::*;
+use super::elements::*;
+use super::tokens::*;
+use crate::parsing::placeholders::ProcessPlaceholders;
 use crossbeam_utils::sync::WaitGroup;
 use std::error::Error;
 use std::fmt;
@@ -362,8 +363,8 @@ impl Parser {
 
         let wg = self.wg.clone();
         self.wg = WaitGroup::new();
-        self.document.parse_placeholders();
         wg.wait();
+        self.document.process_placeholders();
         let document = self.document.clone();
         self.document = Document::new(!self.is_child);
 

src/parsing/placeholders.rs

@@ -0,0 +1,62 @@
+use super::elements::*;
+use chrono::prelude::*;
+
+macro_rules! block {
+    ($inner:expr) => {
+        Element::Block(Box::new($inner))
+    };
+}
+
+#[allow(unused)]
+macro_rules! inline {
+    ($inner:expr) => {
+        Element::Inline(Box::new($inner))
+    };
+}
+
+macro_rules! subtext {
+    ($inner:expr) => {
+        Element::SubText(Box::new($inner))
+    };
+}
+
+pub(crate) trait ProcessPlaceholders {
+    fn process_placeholders(&mut self);
+}
+
+const P_TOC: &str = "toc";
+const P_DATE: &str = "date";
+const P_TIME: &str = "time";
+const P_DATETIME: &str = "datetime";
+
+impl ProcessPlaceholders for Document {
+    /// parses all placeholders and assigns values to them
+    fn process_placeholders(&mut self) {
+        self.placeholders.iter().for_each(|p| {
+            let mut pholder = p.lock().unwrap();
+            match pholder.name.to_ascii_lowercase().as_str() {
+                P_TOC => pholder.set_value(block!(Block::List(self.create_toc()))),
+                P_DATE => pholder.set_value(subtext!(SubText::Plain(PlainText {
+                    value: get_date_string()
+                }))),
+                P_TIME => pholder.set_value(subtext!(SubText::Plain(PlainText {
+                    value: get_time_string()
+                }))),
+                P_DATETIME => pholder.set_value(subtext!(SubText::Plain(PlainText {
+                    value: format!("{} {}", get_date_string(), get_time_string())
+                }))),
+                _ => {}
+            }
+        })
+    }
+}
+
+fn get_time_string() -> String {
+    let now = Local::now();
+    format!("{:02}:{:02}:{02}", now.hour(), now.minute(), now.second())
+}
+
+fn get_date_string() -> String {
+    let now = Local::now();
+    format!("{:02}.{:02}.{:04}", now.day(), now.month(), now.year())
+}