+
−package nl.cwi.monetdb.mcl.io;
+
−
+
−import java.io.BufferedReader;
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−import java.io.IOException;
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−import java.io.Reader;
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−
+
−/**
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− * Created by ferreira on 11/24/16.
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− */
+
−public abstract class AbstractMCLReader extends BufferedReader {
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−
+
−    /** The type of the last line read */
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−    protected int lineType;
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−
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−    /** "there is currently no line", or the the type is unknown is
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−     represented by UNKNOWN */
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−    public final static int UNKNOWN   = 0;
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−    /** a line starting with ! indicates ERROR */
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−    public final static int ERROR     = '!';
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−    /** a line starting with % indicates HEADER */
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−    public final static int HEADER    = '%';
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−    /** a line starting with [ indicates RESULT */
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−    public final static int RESULT    = '[';
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−    /** a line which matches the pattern of prompt1 is a PROMPT */
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−    public final static int PROMPT    = '.';
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−    /** a line which matches the pattern of prompt2 is a MORE */
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−    public final static int MORE      = ',';
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−    /** a line starting with & indicates the start of a header block */
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−    public final static int SOHEADER  = '&';
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−    /** a line starting with ^ indicates REDIRECT */
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−    public final static int REDIRECT  = '^';
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−    /** a line starting with # indicates INFO */
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−    public final static int INFO      = '#';
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−
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−    public AbstractMCLReader(Reader in) {
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−        super(in);
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−    }
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−
+
−    /**
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−     * getLineType returns the type of the last line read.
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−     *
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−     * @return an integer representing the kind of line this is, one of the
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−     *         following constants: UNKNOWN, HEADER, ERROR, PROMPT,
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−     *         RESULT, REDIRECT, INFO
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−     */
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−    public int getLineType() {
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−        return lineType;
+
−    }
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−
+
−    /**
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−     * Sets the linetype to the type of the string given.  If the string
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−     * is null, lineType is set to UNKNOWN.
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−     *
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−     * @param line the string to examine
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−     */
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−    public void setLineType(String line) {
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−        lineType = UNKNOWN;
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−        if (line == null || line.length() == 0)
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−            return;
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−        switch (line.charAt(0)) {
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−            case '!':
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−                lineType = ERROR;
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−                break;
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−            case '&':
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−                lineType = SOHEADER;
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−                break;
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−            case '%':
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−                lineType = HEADER;
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−                break;
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−            case '[':
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−                lineType = RESULT;
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−                break;
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−            case '=':
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−                lineType = RESULT;
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−                break;
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−            case '^':
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−                lineType = REDIRECT;
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−                break;
+
−            case '#':
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−                lineType = INFO;
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−                break;
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−            case '.':
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−                lineType = PROMPT;
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−                break;
+
−            case ',':
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−                lineType = MORE;
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−                break;
+
−        }
+
−    }
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−
+
−    public abstract String waitForPrompt() throws IOException;
+
−}