1 files changed, 112 insertions, 0 deletions
diff --git a/libs/android-syntax-highlight/src/com/cyanogenmod/filemanager/ash/SyntaxHighlightProcessor.java b/libs/android-syntax-highlight/src/com/cyanogenmod/filemanager/ash/SyntaxHighlightProcessor.java
new file mode 100644
index 00000000..2d520346
--- /dev/null
+++ b/libs/android-syntax-highlight/src/com/cyanogenmod/filemanager/ash/SyntaxHighlightProcessor.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2013 The CyanogenMod Project
+ *
+ * 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.cyanogenmod.filemanager.ash;
+
+import android.text.Spannable;
+import android.text.Spanned;
+import android.text.style.ForegroundColorSpan;
+
+import java.io.File;
+
+/**
+ * The base class for all the syntax highlight processors.</br>
+ */
+public abstract class SyntaxHighlightProcessor {
+
+    protected final ISyntaxHighlightResourcesResolver mResourcesResolver;
+
+    /**
+     * Constructor of <code>SyntaxHighlightProcessor</code>
+     *
+     * @param resolver A class for resolve resources
+     */
+    public SyntaxHighlightProcessor(ISyntaxHighlightResourcesResolver resolver) {
+        super();
+        this.mResourcesResolver = resolver;
+    }
+
+    /**
+     * Method that request to the syntax highlight processor if it is able to parse
+     * the file
+     *
+     * @param file The file to check
+     * @return boolean If the syntax highlight processor accepts process the file
+     */
+    protected abstract boolean accept(File file);
+
+    /**
+     * Method that initializes the processor
+     */
+    public abstract void initialize();
+
+    /**
+     * Method that request to the syntax highlight processor to do process and highlight a
+     * document. This method request a full process.
+     *
+     * @param spanable The spannable source to highlight
+     */
+    public abstract void process(Spannable spanable);
+
+    /**
+     * Method that request to the syntax highlight processor to process and highlight a
+     * document. This method request a partial process.
+     *
+     * @param spanable The spannable source to highlight
+     * @param start The start of spannable to process
+     * @param end The end of spannable to process
+     */
+    public abstract void process(Spannable spanable, int start, int end);
+
+    /**
+     * Method that cancels the active processor
+     */
+    public abstract void cancel();
+
+    /**
+     * Method that clear all the existent spans
+     *
+     * @param spanable The spannable
+     */
+    @SuppressWarnings("static-method")
+    public void clear(Spannable spanable) {
+        ForegroundColorSpan[] spans =
+                spanable.getSpans(0, spanable.length(), ForegroundColorSpan.class);
+        int cc = spans.length;
+        for (int i = 0; i < cc; i++) {
+            spanable.removeSpan(spans[i]);
+        }
+    }
+
+
+    /**
+     * Method that sets a new <code>Spannable</code>.
+     *
+     * @param spanable The spannable
+     * @param color The color of the span
+     * @param start The start of the span
+     * @param end The end of the span
+     */
+    @SuppressWarnings("static-method")
+    protected void setSpan(Spannable spanable, int color, int start, int end) {
+        if (start == end) return;
+        spanable.setSpan(
+                new ForegroundColorSpan(color),
+                start,
+                end,
+                Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+    }
+}