mirror of
https://github.com/roc-lang/roc.git
synced 2024-09-19 23:07:33 +03:00
Switch to [Str.join] syntax for doc links
This commit is contained in:
parent
538cb3fe10
commit
b7c666e5e7
417
docs/src/lib.rs
417
docs/src/lib.rs
@ -1,22 +1,24 @@
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extern crate pulldown_cmark;
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use roc_builtins::std::StdLib;
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use roc_can::builtins::builtin_defs_map;
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use roc_load::docs::{DocEntry, TypeAnnotation};
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use roc_load::docs::{ModuleDocumentation, RecordField};
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use roc_load::file::{LoadedModule, LoadingProblem};
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use roc_module::symbol::Interns;
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use std::fs;
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extern crate roc_load;
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use bumpalo::Bump;
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use roc_builtins::std::StdLib;
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use roc_can::builtins::builtin_defs_map;
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use roc_can::scope::Scope;
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use roc_collections::all::MutMap;
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use roc_load::docs::DocEntry::DocDef;
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use roc_load::docs::{DocEntry, TypeAnnotation};
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use roc_load::docs::{ModuleDocumentation, RecordField};
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use roc_load::file::{LoadedModule, LoadingProblem};
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use roc_module::symbol::{IdentIds, Interns, ModuleId};
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use roc_parse::ident::{parse_ident, Ident};
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use roc_parse::parser::State;
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use roc_region::all::Region;
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use std::fs;
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use std::path::{Path, PathBuf};
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pub fn generate(filenames: Vec<PathBuf>, std_lib: StdLib, build_dir: &Path) {
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let files_docs = files_to_documentations(filenames, std_lib);
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let mut arena = Bump::new();
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//
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// TODO: get info from a file like "elm.json"
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@ -63,11 +65,17 @@ pub fn generate(filenames: Vec<PathBuf>, std_lib: StdLib, build_dir: &Path) {
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// Write each package's module docs html file
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for loaded_module in package.modules.iter_mut() {
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let exports = loaded_module
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.exposed_values
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.iter()
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.map(|symbol| symbol.ident_string(&loaded_module.interns).to_string())
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.collect::<Vec<String>>();
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arena.reset();
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let mut exports: bumpalo::collections::Vec<&str> =
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bumpalo::collections::Vec::with_capacity_in(loaded_module.exposed_values.len(), &arena);
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// TODO should this also include exposed_aliases?
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for symbol in loaded_module.exposed_values.iter() {
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exports.push(symbol.ident_string(&loaded_module.interns));
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}
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let exports = exports.into_bump_slice();
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for module in loaded_module.documentation.values_mut() {
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let module_dir = build_dir.join(module.name.replace(".", "/").as_str());
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@ -83,7 +91,14 @@ pub fn generate(filenames: Vec<PathBuf>, std_lib: StdLib, build_dir: &Path) {
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)
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.replace(
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"<!-- Module Docs -->",
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render_main_content(&loaded_module.interns, &exports, module).as_str(),
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render_main_content(
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loaded_module.module_id,
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exports,
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&loaded_module.dep_idents,
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&loaded_module.interns,
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module,
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)
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.as_str(),
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);
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fs::write(module_dir.join("index.html"), rendered_module)
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@ -95,8 +110,10 @@ pub fn generate(filenames: Vec<PathBuf>, std_lib: StdLib, build_dir: &Path) {
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}
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fn render_main_content(
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home: ModuleId,
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exposed_values: &[&str],
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dep_idents: &MutMap<ModuleId, IdentIds>,
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interns: &Interns,
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exposed_values: &[String],
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module: &mut ModuleDocumentation,
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) -> String {
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let mut buf = String::new();
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@ -115,7 +132,7 @@ fn render_main_content(
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if let DocDef(def) = entry {
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// We dont want to render entries that arent exposed
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should_render_entry = exposed_values.contains(&def.name);
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should_render_entry = exposed_values.contains(&def.name.as_str());
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}
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if should_render_entry {
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@ -158,12 +175,27 @@ fn render_main_content(
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if let Some(docs) = &doc_def.docs {
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buf.push_str(
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markdown_to_html(&mut module.scope, interns, docs.to_string()).as_str(),
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markdown_to_html(
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home,
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exposed_values,
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dep_idents,
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&mut module.scope,
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interns,
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docs.to_string(),
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)
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.as_str(),
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);
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}
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}
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DocEntry::DetachedDoc(docs) => {
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let markdown = markdown_to_html(&mut module.scope, interns, docs.to_string());
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let markdown = markdown_to_html(
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home,
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exposed_values,
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dep_idents,
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&mut module.scope,
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interns,
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docs.to_string(),
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);
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buf.push_str(markdown.as_str());
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}
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};
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@ -601,161 +633,234 @@ fn should_be_multiline(type_ann: &TypeAnnotation) -> bool {
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}
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}
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pub fn insert_doc_links(scope: &mut Scope, interns: &Interns, markdown: String) -> String {
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let buf = &markdown;
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let mut result = String::new();
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let mut chomping_from: Option<usize> = None;
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let mut chars = buf.chars().enumerate().peekable();
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while let Some((index, char)) = chars.next() {
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match chomping_from {
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None => {
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let next_is_alphabetic = match chars.peek() {
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None => false,
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Some((_, next_char)) => next_char.is_alphabetic(),
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};
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if char == '#' && next_is_alphabetic {
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chomping_from = Some(index);
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}
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}
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Some(from) => {
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if !(char.is_alphabetic() || char == '.') {
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let after_link = buf.chars().skip(from + buf.len());
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result = buf.chars().take(from).collect();
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let doc_link = make_doc_link(
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scope,
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interns,
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&buf.chars()
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.skip(from + 1)
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.take(index - from - 1)
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.collect::<String>(),
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);
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result.insert_str(from, doc_link.as_str());
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let remainder = insert_doc_links(scope, interns, after_link.collect());
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result.push_str(remainder.as_str());
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break;
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}
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}
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}
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}
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if chomping_from == None {
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markdown
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} else {
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result
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}
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struct DocUrl {
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url: String,
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title: String,
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}
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fn make_doc_link(scope: &mut Scope, interns: &Interns, doc_item: &str) -> String {
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match scope.lookup(&doc_item.into(), Region::zero()) {
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Ok(symbol) => {
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let module_str = symbol.module_string(interns);
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let ident_str = symbol.ident_string(interns);
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let mut link = String::new();
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link.push('/');
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link.push_str(module_str);
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link.push('#');
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link.push_str(ident_str);
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let mut buf = String::new();
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buf.push('[');
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buf.push_str(doc_item);
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buf.push_str("](");
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buf.push_str(link.as_str());
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buf.push(')');
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buf
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}
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Err(_) => {
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panic!(
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fn doc_url<'a>(
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home: ModuleId,
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exposed_values: &[&str],
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dep_idents: &MutMap<ModuleId, IdentIds>,
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scope: &mut Scope,
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interns: &'a Interns,
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mut module_name: &'a str,
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ident: &str,
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) -> DocUrl {
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if module_name.is_empty() {
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// This is an unqualified lookup, so look for the ident
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// in scope!
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match scope.lookup(&ident.into(), Region::zero()) {
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Ok(symbol) => {
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// Get the exact module_name from scope. It could be the
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// current module's name, but it also could be a different
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// module - for example, if this is in scope from an
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// unqualified import.
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module_name = symbol.module_string(interns);
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}
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Err(_) => {
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// TODO return Err here
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panic!(
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"Tried to generate an automatic link in docs for symbol `{}`, but that symbol was not in scope in this module. Scope was: {:?}",
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doc_item, scope
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)
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ident, scope
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);
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}
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}
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} else {
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match interns.module_ids.get_id(&module_name.into()) {
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Some(&module_id) => {
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// You can do qualified lookups on your own module, e.g.
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// if I'm in the Foo module, I can do a `Foo.bar` lookup.
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if module_id == home {
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// Check to see if the value is exposed in this module.
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// If it's not exposed, then we can't link to it!
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if !exposed_values.contains(&ident) {
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// TODO return Err here
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panic!(
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"Tried to generate an automatic link in docs for `{}.{}`, but `{}` is not declared in `{}`.",
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module_name, ident, ident, module_name);
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}
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} else {
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// This is not the home module
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match dep_idents
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.get(&module_id)
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.and_then(|exposed_ids| exposed_ids.get_id(&ident.into()))
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{
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Some(_) => {
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// This is a valid symbol for this dependency,
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// so proceed using the current module's name.
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//
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// TODO: In the future, this is where we'll
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// incorporate the package name into the link.
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}
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_ => {
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// TODO return Err here
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panic!(
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"Tried to generate an automatic link in docs for `{}.{}`, but `{}` is not exposed in `{}`.",
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module_name, ident, ident, module_name);
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}
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}
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}
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}
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None => {
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// TODO return Err here
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panic!("Tried to generate a doc link for `{}.{}` but the `{}` module was not imported!", module_name, ident, module_name);
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}
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}
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}
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let mut url = String::new();
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// Example:
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//
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// module_name: "Str", ident: "join" => "/Str#join"
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url.push('/');
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url.push_str(module_name);
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url.push('#');
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url.push_str(ident);
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DocUrl {
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url,
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title: format!("Docs for {}.{}", module_name, ident),
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}
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}
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fn markdown_to_html(scope: &mut Scope, interns: &Interns, markdown: String) -> String {
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use pulldown_cmark::CodeBlockKind;
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use pulldown_cmark::CowStr;
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use pulldown_cmark::Event;
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use pulldown_cmark::Tag::*;
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fn markdown_to_html(
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home: ModuleId,
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exposed_values: &[&str],
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dep_idents: &MutMap<ModuleId, IdentIds>,
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scope: &mut Scope,
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interns: &Interns,
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markdown: String,
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) -> String {
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use pulldown_cmark::{BrokenLink, CodeBlockKind, CowStr, Event, LinkType, Tag::*};
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let markdown_with_links = insert_doc_links(scope, interns, markdown);
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let mut arena = Bump::new();
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let mut broken_link_callback = |link: BrokenLink| {
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// A shortcut link - see https://spec.commonmark.org/0.30/#shortcut-reference-link -
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// is something like `[foo]` in markdown. If you have a shortcut link
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// without a corresponding `[foo]: https://foo.com` link
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// at the end of the document, we resolve it as an identifier based on
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// what's currently in stuff, so you write things like [Str.join] or
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// [myFunction] and have them resolve to the docs for what you wrote.
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match link.link_type {
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LinkType::Shortcut => {
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let state = State::new(link.reference.as_bytes());
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// Reset the bump arena so we aren't constantly reallocating
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// more memory.
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arena.reset();
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match parse_ident(&arena, state) {
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Ok((_, Ident::Access { module_name, parts }, _)) => {
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let mut iter = parts.iter();
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match iter.next() {
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Some(symbol_name) if iter.next().is_none() => {
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let DocUrl { url, title } = doc_url(
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home,
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exposed_values,
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dep_idents,
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scope,
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interns,
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module_name,
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symbol_name,
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);
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Some((url.into(), title.into()))
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}
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_ => {
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// This had record field access,
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// e.g. [foo.bar] - which we
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// can't create a doc link to!
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None
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}
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}
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}
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Ok((_, Ident::GlobalTag(type_name), _)) => {
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// This looks like a global tag name, but it could
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// be a type alias that's in scope, e.g. [I64]
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let DocUrl { url, title } = doc_url(
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home,
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exposed_values,
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dep_idents,
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scope,
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interns,
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"",
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type_name,
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);
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Some((url.into(), title.into()))
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}
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_ => None,
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}
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}
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_ => None,
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}
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};
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let markdown_options = pulldown_cmark::Options::empty();
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let mut docs_parser = vec![];
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let (_, _) = pulldown_cmark::Parser::new_ext(&markdown_with_links, markdown_options).fold(
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(0, 0),
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|(start_quote_count, end_quote_count), event| {
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match event {
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// Replace this sequence (`>>>` syntax):
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// Start(BlockQuote)
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// Start(BlockQuote)
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// Start(BlockQuote)
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// Start(Paragraph)
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// For `Start(CodeBlock(Fenced(Borrowed("roc"))))`
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Event::Start(BlockQuote) => {
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let (_, _) = pulldown_cmark::Parser::new_with_broken_link_callback(
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&markdown,
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markdown_options,
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Some(&mut broken_link_callback),
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)
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.fold((0, 0), |(start_quote_count, end_quote_count), event| {
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match event {
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// Replace this sequence (`>>>` syntax):
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// Start(BlockQuote)
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// Start(BlockQuote)
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// Start(BlockQuote)
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// Start(Paragraph)
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// For `Start(CodeBlock(Fenced(Borrowed("roc"))))`
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Event::Start(BlockQuote) => {
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docs_parser.push(event);
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(start_quote_count + 1, 0)
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}
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Event::Start(Paragraph) => {
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if start_quote_count == 3 {
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docs_parser.pop();
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docs_parser.pop();
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docs_parser.pop();
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docs_parser.push(Event::Start(CodeBlock(CodeBlockKind::Fenced(
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CowStr::Borrowed("roc"),
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))));
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} else {
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docs_parser.push(event);
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(start_quote_count + 1, 0)
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}
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Event::Start(Paragraph) => {
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if start_quote_count == 3 {
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docs_parser.pop();
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docs_parser.pop();
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docs_parser.pop();
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docs_parser.push(Event::Start(CodeBlock(CodeBlockKind::Fenced(
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CowStr::Borrowed("roc"),
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))));
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} else {
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docs_parser.push(event);
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}
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(0, 0)
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}
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// Replace this sequence (`>>>` syntax):
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// End(Paragraph)
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// End(BlockQuote)
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// End(BlockQuote)
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// End(BlockQuote)
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// For `End(CodeBlock(Fenced(Borrowed("roc"))))`
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Event::End(Paragraph) => {
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docs_parser.push(event);
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(0, 1)
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}
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Event::End(BlockQuote) => {
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if end_quote_count == 3 {
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docs_parser.pop();
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docs_parser.pop();
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docs_parser.pop();
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docs_parser.push(Event::End(CodeBlock(CodeBlockKind::Fenced(
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CowStr::Borrowed("roc"),
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))));
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(0, 0)
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}
|
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// Replace this sequence (`>>>` syntax):
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// End(Paragraph)
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// End(BlockQuote)
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// End(BlockQuote)
|
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// End(BlockQuote)
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// For `End(CodeBlock(Fenced(Borrowed("roc"))))`
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Event::End(Paragraph) => {
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} else {
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docs_parser.push(event);
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(0, 1)
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}
|
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Event::End(BlockQuote) => {
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if end_quote_count == 3 {
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docs_parser.pop();
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docs_parser.pop();
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docs_parser.pop();
|
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docs_parser.push(Event::End(CodeBlock(CodeBlockKind::Fenced(
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CowStr::Borrowed("roc"),
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))));
|
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(0, 0)
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} else {
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docs_parser.push(event);
|
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(0, end_quote_count + 1)
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}
|
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}
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_ => {
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docs_parser.push(event);
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(0, 0)
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(0, end_quote_count + 1)
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}
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}
|
||||
},
|
||||
);
|
||||
_ => {
|
||||
docs_parser.push(event);
|
||||
(0, 0)
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
let mut docs_html = String::new();
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user