Examples of com.google.gxp.compiler.alerts.SourcePosition

com.google.gxp.compiler.alerts.SourcePosition
Value object for representing a position in a source file. The line and column postions can be left out. This is to support alerts that don't have a specific location in a file.

 */
public class IOError extends ErrorAlert {
  private final IOException exception;


  public IOError(FileRef source, IOException exception) {
    this(new SourcePosition(source), exception);
  }

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      // will always be one more text segment than non-text value.
      List<String> textSegments = Lists.newArrayList();
      List<SourcePosition> textPositions = Lists.newArrayList();
      List<Expression> nonTextValues = Lists.newArrayList();
      {
        SourcePosition sbPos = null;
        for (Expression value : values) {
          if (value instanceof StringConstant) {
            StringConstant stringConstant = (StringConstant) value;
            sb.append(stringConstant.evaluate());
            if (sbPos == null) {

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    line++;
    int column = 1;
    for (Node node : children) {
      column = Math.max(column, node.getSourcePosition().getColumn() + 1);
    }
    return new SourcePosition(filename, line, column);
  }

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  /**
   * Creates a parse tree.
   */
  private IfExpandedTree tree(ParsedElement... children) {
    return new IfExpandedTree(new SourcePosition(filename),
                              parseAlerts.buildAndClear(), list(children));
  }

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    ReparentedTree output = reparent(input);
    assertTrue(output.getRoot() instanceof NullRoot);
  }


  public void testWithAlerts() throws Exception {
    Alert parseWarning = new WarningAlert(new SourcePosition("baz", 1, 2),
                                          "test warning"){};
    parseAlerts.add(parseWarning);
    expectedAlerts.add(parseWarning);


    ReparentedTree output = reparent(tree());

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        xmlReader.setFeature("http://xml.org/sax/features/namespace-prefixes", true);


        xmlReader.parse(inputSource);
      } catch (SAXException saxException) {
        if (!saxEventAdapter.getExceptionMessages().contains(saxException.getMessage())) {
          eventHandler.add(new SaxAlert(new SourcePosition(input),
                                        Severity.ERROR, saxException));
        }
      }
    } finally {
      inputStream.close();

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     */
    private SourcePosition getSourcePosition() {
      // Lines and columns start at 1. A value of 0 means we don't know, so in
      // that case just use the whole file as the position.
      if ((lineNumber > 0) && (columnNumber > 0)) {
        return new SourcePosition(input, lineNumber, columnNumber);
      } else {
        return new SourcePosition(input);
      }
    }

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    } catch (UnsupportedExternalEntityException e) {
      alertSetBuilder.add(new UnsupportedExternalEntityError(
                              e.getSourcePosition(), e.getEntity()));
    }


    return new ParseTree(new SourcePosition(input), alertSetBuilder.buildAndClear(),
                         eventHandler.getParsedRoots());
  }

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    for (String legalExpr : LEGAL_EXPRESSIONS) {
      compile(prefix + CharEscapers.xmlEscaper().escape(legalExpr) + suffix);
      assertNoUnexpectedAlerts();
    }


    SourcePosition errorPos = pos(errorLine, errorColumn);


    for (IllegalOperatorExpression illegalOp : ILLEGAL_OPERATORS) {
      compile(prefix + CharEscapers.xmlEscaper().escape(illegalOp.getExpression()) + suffix);
      for (OutputLanguage outputLanguage : illegalOp.getOutputLanguages()) {
        assertAlert(new IllegalOperatorError(errorPos, outputLanguage.getDisplay(),

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      assertNoUnexpectedAlerts();
    }


    for (String illegalName : ILLEGAL_VAR_NAMES) {
      compile(prefix + CharEscapers.xmlEscaper().escape(illegalName) + suffix);
      SourcePosition errorPos = pos(2, 1);
      assertAlert(new IllegalVariableNameError(errorPos, illegalName));
      assertNoUnexpectedAlerts();
    }


    for (Map.Entry<String, Collection<OutputLanguage>> illegalName :
             ILLEGAL_OUTPUT_LANGUAGE_NAMES.entrySet()) {
      compile(prefix + CharEscapers.xmlEscaper().escape(illegalName.getKey()) + suffix);
      SourcePosition errorPos = pos(2, 1);
      for (OutputLanguage outputLanguage : illegalName.getValue()) {
        assertAlert(new IllegalNameError(errorPos, outputLanguage.getDisplay(),
                                         illegalName.getKey()));
      }
      assertNoUnexpectedAlerts();

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