Change metadata

src/main.rs

@@ -0,0 +1,155 @@
+use std::{fs::File, io::{Read}};
+
+use scraper::{ElementRef, Node};
+use ego_tree::NodeRef;
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    env_logger::init();
+    let html = read("test.html")?;
+    parse(&html)?;
+    Ok(())
+}
+
+
+fn _download_file(url: &str, _path: &str) -> Result<String, Box<dyn std::error::Error>> {
+    // Some simple CLI args requirements...
+
+    eprintln!("Fetching {url:?}...");
+
+    // reqwest::blocking::get() is a convenience function.
+    //
+    // In most cases, you should create/build a reqwest::Client and reuse
+    // it for all requests.
+    let res = reqwest::blocking::get(url)?;
+
+
+    let body = res.text()?;
+    Ok(body)
+}
+
+fn read(path: &str) -> Result<String, std::io::Error> {
+     let mut file = File::open(path)?;
+    let mut contents = String::new();
+    file.read_to_string(&mut contents)?;
+    Ok(contents)
+}
+
+fn parse(html: &str) -> Result<bool, Box<dyn std::error::Error>> {
+    // Parse the HTML content
+    let document = scraper::Html::parse_document(html);
+    let selector_quelle = scraper::Selector::parse("#Quelle").unwrap();
+    let selector_verwendung = scraper::Selector::parse("#Verwendung").unwrap();
+    let selector_li = scraper::Selector::parse("li").unwrap();
+
+    let elt_quelle= document.select(&selector_quelle).next();
+    
+    if elt_quelle.is_none() {
+        eprintln!("No element found with the selector '#Quelle'");
+        return Ok(false);
+    }
+
+    let elt_quelle = elt_quelle.unwrap();
+
+    let mut elt_quelle = elt_quelle.parent().unwrap();
+
+    let mut c = 0;
+    let mut elt_ul = None;
+
+    while elt_quelle. next_sibling().is_some() {
+
+        elt_quelle = elt_quelle.next_sibling().unwrap();
+      
+        if !elt_quelle.value().is_element(){
+            continue;
+        }
+        
+        let elt = elt_quelle.value().as_element().unwrap();
+        if elt.name() == "ul" {
+            c += 1;
+
+            if c > 1 {
+                elt_ul = Some(elt_quelle);
+                break;
+            }
+        }
+
+        if elt.name() == "h2" {
+            eprintln!("Found 'h2' element, stopping search for 'ul'");
+            break;
+        }
+    }
+
+    if elt_ul.is_none() {
+        eprintln!("No second 'ul' element found after '#Quelle'");
+        return Ok(false);
+    }
+    let elt_ul = ElementRef::wrap(elt_ul.unwrap()).unwrap();
+    let li = elt_ul.select(&selector_li);    
+
+    for item in li
+    {
+        parse_li_to_resource(item);
+    }
+
+    let elt_verwendung= document.select(&selector_verwendung).next();
+    
+    if elt_verwendung.is_none() {
+        eprintln!("No element found with the selector '#Verwendung'");
+        return Ok(false);
+    }
+
+    let elt_verwendung = elt_verwendung.unwrap();
+    
+    Ok(true)
+}
+
+fn parse_li_to_resource(item: ElementRef<'_>) {
+    if !item.has_children() {
+        println!("Item has no children, skipping.");
+        return;
+    }
+
+    let mut resource_items = Vec::new();
+
+    let first_child = item.first_child().unwrap();
+    
+    resource_items.push(first_child);
+
+    let iter = first_child.next_siblings();
+
+    for next in iter {
+        if next.value().is_text() {
+            resource_items.push(next);
+        }
+        else if next.value().is_element() {
+            if next.value().as_element().unwrap().name() == "span" {
+                parse_resource (resource_items);
+                resource_items = Vec::new();
+            }
+
+            resource_items.push(next);
+        }
+    }
+
+    println!("======================");
+}
+
+fn parse_resource(resource_items: Vec<NodeRef<'_, Node>>) {
+    if resource_items.is_empty() {
+        println!("No resource items to parse.");
+        return;
+    }
+
+    println!("Parsing resource items...");
+
+    for item in resource_items {
+        if item.value().is_text() {
+            println!("Text: {}", item.value().as_text().unwrap().text.trim_ascii());
+            continue;
+        }
+       println!("Resource: {:?}", item.value());
+    }
+
+    println!("------------------");
+   
+}