begin port of rss_expanded

src/oned/rss/expanded/expanded_pair.rs

@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2010 ZXing authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * These authors would like to acknowledge the Spanish Ministry of Industry,
+ * Tourism and Trade, for the support in the project TSI020301-2008-2
+ * "PIRAmIDE: Personalizable Interactions with Resources on AmI-enabled
+ * Mobile Dynamic Environments", led by Treelogic
+ * ( http://www.treelogic.com/ ):
+ *
+ *   http://www.piramidepse.com/
+ */
+
+use std::fmt::Display;
+
+use crate::oned::rss::{DataCharacter, FinderPattern};
+
+/**
+ * @author Pablo Orduña, University of Deusto (pablo.orduna@deusto.es)
+ */
+#[derive(PartialEq, Eq, Hash)]
+pub struct ExpandedPair {
+    leftChar: Option<DataCharacter>,
+    rightChar: Option<DataCharacter>,
+    finderPattern: Option<FinderPattern>,
+}
+
+impl ExpandedPair {
+    pub fn new(
+        leftChar: Option<DataCharacter>,
+        rightChar: Option<DataCharacter>,
+        finderPattern: Option<FinderPattern>,
+    ) -> Self {
+        Self {
+            leftChar,
+            rightChar,
+            finderPattern,
+        }
+    }
+
+    pub fn getLeftChar(&self) -> &Option<DataCharacter> {
+        &self.leftChar
+    }
+
+    pub fn getRightChar(&self) -> &Option<DataCharacter> {
+        &self.rightChar
+    }
+
+    pub fn getFinderPattern(&self) -> &Option<FinderPattern> {
+        &self.finderPattern
+    }
+
+    pub fn mustBeLast(&self) -> bool {
+        self.rightChar.is_none()
+    }
+}
+
+impl Display for ExpandedPair {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "[ {:?} , {:?} : {} ]",
+            self.leftChar,
+            self.rightChar,
+            if let Some(fp) = &self.finderPattern {
+                fp.getValue().to_string()
+            } else {
+                "null".to_owned()
+            }
+        )
+    }
+}