com.google.gerrit.client.diff.DiffInfo.java Source code

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Here is the source code for com.google.gerrit.client.diff.DiffInfo.java

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// Copyright (C) 2013 The Android Open Source 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.google.gerrit.client.diff;

import com.google.gerrit.reviewdb.client.Patch.ChangeType;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.core.client.JsArrayString;

public class DiffInfo extends JavaScriptObject {
    public static final String GITLINK = "x-git/gitlink";
    public static final String SYMLINK = "x-git/symlink";

    public final native FileMeta meta_a() /*-{ return this.meta_a; }-*/;

    public final native FileMeta meta_b() /*-{ return this.meta_b; }-*/;

    public final native JsArrayString diff_header() /*-{ return this.diff_header; }-*/;

    public final native JsArray<Region> content() /*-{ return this.content; }-*/;

    public final ChangeType change_type() {
        return ChangeType.valueOf(change_typeRaw());
    }

    private final native String change_typeRaw()
    /*-{ return this.change_type }-*/;

    public final IntraLineStatus intraline_status() {
        String s = intraline_statusRaw();
        return s != null ? IntraLineStatus.valueOf(s) : IntraLineStatus.OFF;
    }

    private final native String intraline_statusRaw()
    /*-{ return this.intraline_status }-*/;

    public final boolean has_skip() {
        JsArray<Region> c = content();
        for (int i = 0; i < c.length(); i++) {
            if (c.get(i).skip() != 0) {
                return true;
            }
        }
        return false;
    }

    public final String text_a() {
        StringBuilder s = new StringBuilder();
        JsArray<Region> c = content();
        for (int i = 0; i < c.length(); i++) {
            Region r = c.get(i);
            if (r.ab() != null) {
                append(s, r.ab());
            } else if (r.a() != null) {
                append(s, r.a());
            }
            // TODO skip may need to be handled
        }
        return s.toString();
    }

    public final String text_b() {
        StringBuilder s = new StringBuilder();
        JsArray<Region> c = content();
        for (int i = 0; i < c.length(); i++) {
            Region r = c.get(i);
            if (r.ab() != null) {
                append(s, r.ab());
            } else if (r.b() != null) {
                append(s, r.b());
            }
            // TODO skip may need to be handled
        }
        return s.toString();
    }

    private static void append(StringBuilder s, JsArrayString lines) {
        for (int i = 0; i < lines.length(); i++) {
            s.append(lines.get(i)).append('\n');
        }
    }

    protected DiffInfo() {
    }

    public enum IntraLineStatus {
        OFF, OK, TIMEOUT, FAILURE;
    }

    public static class FileMeta extends JavaScriptObject {
        public final native String name() /*-{ return this.name; }-*/;

        public final native String content_type() /*-{ return this.content_type; }-*/;

        protected FileMeta() {
        }
    }

    public static class Region extends JavaScriptObject {
        public final native JsArrayString ab() /*-{ return this.ab; }-*/;

        public final native JsArrayString a() /*-{ return this.a; }-*/;

        public final native JsArrayString b() /*-{ return this.b; }-*/;

        public final native int skip() /*-{ return this.skip || 0; }-*/;

        public final native JsArray<Span> edit_a() /*-{ return this.edit_a }-*/;

        public final native JsArray<Span> edit_b() /*-{ return this.edit_b }-*/;

        protected Region() {
        }
    }

    public static class Span extends JavaScriptObject {
        public final native int begin() /*-{ return this[0]; }-*/;

        public final native int length() /*-{ return this[1]; }-*/;

        public final int end() {
            return begin() + length();
        }

        protected Span() {
        }
    }
}