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port_src/output/zxing/datamatrix/encoder/text_encoder.rs

@@ -0,0 +1,91 @@
+/*
+ * Copyright 2006-2007 Jeremias Maerki.
+ *
+ * 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.
+ */
+// package com::google::zxing::datamatrix::encoder;
+
+struct TextEncoder {
+    super: C40Encoder;
+}
+
+impl TextEncoder {
+
+    pub fn  get_encoding_mode(&self) -> i32  {
+        return HighLevelEncoder::TEXT_ENCODATION;
+    }
+
+    fn  encode_char(&self,  c: char,  sb: &StringBuilder) -> i32  {
+        if c == ' ' {
+            sb.append('\3');
+            return 1;
+        }
+        if c >= '0' && c <= '9' {
+            sb.append((c - 48 + 4) as char);
+            return 1;
+        }
+        if c >= 'a' && c <= 'z' {
+            sb.append((c - 97 + 14) as char);
+            return 1;
+        }
+        if c < ' ' {
+            //Shift 1 Set
+            sb.append('\0');
+            sb.append(c);
+            return 2;
+        }
+        if c <= '/' {
+            //Shift 2 Set
+            sb.append('\1');
+            sb.append((c - 33) as char);
+            return 2;
+        }
+        if c <= '@' {
+            //Shift 2 Set
+            sb.append('\1');
+            sb.append((c - 58 + 15) as char);
+            return 2;
+        }
+        if c >= '[' && c <= '_' {
+            //Shift 2 Set
+            sb.append('\1');
+            sb.append((c - 91 + 22) as char);
+            return 2;
+        }
+        if c == '`' {
+            //Shift 3 Set
+            sb.append('\2');
+            // '`' - 96 == 0
+            sb.append(0 as char);
+            return 2;
+        }
+        if c <= 'Z' {
+            //Shift 3 Set
+            sb.append('\2');
+            sb.append((c - 65 + 1) as char);
+            return 2;
+        }
+        if c <= 127 {
+            //Shift 3 Set
+            sb.append('\2');
+            sb.append((c - 123 + 27) as char);
+            return 2;
+        }
+        //Shift 2, Upper Shift
+        sb.append("\1");
+         let mut len: i32 = 2;
+        len += self.encode_char((c - 128) as char, &sb);
+        return len;
+    }
+}
+