criteria: add infrastructure

src/criteria/crit_matchers/critm_any_or_all.rs

@@ -0,0 +1,73 @@
+use {
+    crate::criteria::crit_graph::{CritMiddleCriterion, CritTarget, CritUpstreamNode},
+    std::{marker::PhantomData, rc::Rc},
+};
+
+pub struct CritMatchAnyOrAll<Target>
+where
+    Target: CritTarget,
+{
+    all: bool,
+    total: usize,
+    _phantom: PhantomData<fn(&Target)>,
+}
+
+impl<Target> CritMatchAnyOrAll<Target>
+where
+    Target: CritTarget,
+{
+    pub fn new(upstream: &[Rc<dyn CritUpstreamNode<Target>>], all: bool) -> Self {
+        Self {
+            all,
+            total: upstream.len(),
+            _phantom: Default::default(),
+        }
+    }
+}
+
+impl<Target> CritMiddleCriterion<Target> for CritMatchAnyOrAll<Target>
+where
+    Target: CritTarget,
+{
+    type Data = usize;
+    type Not = Self;
+
+    fn update_matched(&self, _data: &Target, node: &mut usize, matched: bool) -> bool {
+        if matched {
+            *node += 1;
+        } else {
+            *node -= 1;
+        }
+        if self.all {
+            *node == self.total
+        } else {
+            *node > 0
+        }
+    }
+
+    fn pull(&self, upstream: &[Rc<dyn CritUpstreamNode<Target>>], node: &Target) -> bool {
+        for upstream in upstream {
+            if upstream.pull(node) {
+                if !self.all {
+                    return true;
+                }
+            } else {
+                if self.all {
+                    return false;
+                }
+            }
+        }
+        self.all
+    }
+
+    fn not(&self) -> Self
+    where
+        Self: Sized,
+    {
+        Self {
+            all: !self.all,
+            total: self.total,
+            _phantom: Default::default(),
+        }
+    }
+}