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* @return the number of indentation units that line is indented by |
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* @return the number of indentation units that line is indented by |
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* @exception IllegalArgumentException if: |
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* @exception IllegalArgumentException if: |
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* <ul> |
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* <ul> |
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* <li>the given <code>indentWidth</code> is lower or equals to zero</li> |
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* <li>the given <code>indentWidth</code> is lower than zero</li> |
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* <li>the given <code>tabWidth</code> is lower than zero</li> |
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* <li>the given <code>tabWidth</code> is lower than zero</li> |
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* <li>the given <code>line</code> is null</li> |
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* <li>the given <code>line</code> is null</li> |
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* </ul> |
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* </ul> |
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*/ |
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*/ |
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public static int measureIndentUnits(CharSequence line, int tabWidth, int indentWidth) { |
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public static int measureIndentUnits(CharSequence line, int tabWidth, int indentWidth) { |
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if (indentWidth <= 0 || tabWidth < 0 || line == null) { |
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if (indentWidth < 0 || tabWidth < 0 || line == null) { |
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throw new IllegalArgumentException(); |
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throw new IllegalArgumentException(); |
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} |
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} |
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if (indentWidth == 0) return 0; |
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int visualLength= measureIndentInSpaces(line, tabWidth); |
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int visualLength= measureIndentInSpaces(line, tabWidth); |
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return visualLength / indentWidth; |
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return visualLength / indentWidth; |
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} |
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} |
