From 7be336721280075deff24831dc7e50809ef68561 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Mon, 6 Feb 2023 19:23:49 +0200
Subject: feat: placeholder for tagged() in pagespec

Sponsored-by: author
---
 src/pagespec.lalrpop | 1 +
 src/pagespec.rs      | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/src/pagespec.lalrpop b/src/pagespec.lalrpop
index ccee2c4..191ff47 100644
--- a/src/pagespec.lalrpop
+++ b/src/pagespec.lalrpop
@@ -11,6 +11,7 @@ Term: Box<Expr> = {
     Glob => Box::new(Expr::Glob(<>)),
     "link" "(" <g:Glob> ")" => Box::new(Expr::LinksHereFunc(<>)),
     "page" "(" <g:Glob> ")" => Box::new(Expr::PageFunc(<>)),
+    "tagged" "(" <g:Glob> ")" => Box::new(Expr::TaggedFunc(<>)),
     "!" <t:Term> => Box::new(Expr::Negate(t)),
     "(" <e:Expr> ")" => e,
 }
diff --git a/src/pagespec.rs b/src/pagespec.rs
index 7af2acd..8d12440 100644
--- a/src/pagespec.rs
+++ b/src/pagespec.rs
@@ -66,6 +66,7 @@ pub enum Expr {
     Glob(String),
     LinksHereFunc(String),
     PageFunc(String),
+    TaggedFunc(String),
     Negate(Box<Expr>),
     Op(Box<Expr>, OpCode, Box<Expr>),
 }
@@ -77,6 +78,7 @@ impl Expr {
             Self::Glob(glob) => glob_matches(glob, path),
             Self::LinksHereFunc(glob) => links_here(site, container, path, glob),
             Self::PageFunc(glob) => page_matches(site, container, glob, path), // FIXME: check its page
+            Self::TaggedFunc(glob) => tagged(site, container, glob, path),
             Self::Negate(expr) => !expr.matches(site, container, path),
             Self::Op(left, op, right) => match op {
                 OpCode::And => {
@@ -169,6 +171,11 @@ fn links_here(site: &Site, container: &Path, path: &str, _glob: &str) -> bool {
     false
 }
 
+fn tagged(_site: &Site, container: &Path, path: &str, _glob: &str) -> bool {
+    trace!("tagged: container={} path={:?}", container.display(), path);
+    false
+}
+
 fn page_matches(site: &Site, container: &Path, glob: &str, path: &str) -> bool {
     if glob_matches(glob, path) {
         let full_path = container.join(path);
-- 
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