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Last change
on this file since 8256 was 5705, checked in by bastiK, 11 years ago |
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mapcss: rework of eval expressions; significant performance improvement; fixes a bug w.r.t. overloading of the 'length' function.
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Property svn:eol-style
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native
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File size:
641 bytes
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| 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.gui.mappaint.mapcss;
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| 3 |
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| 4 | import org.openstreetmap.josm.gui.mappaint.Environment;
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| 5 |
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| 6 | /**
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| 7 | * A MapCSS Expression.
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| 8 | *
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| 9 | * Can be evaluated in a certain {@link Environment}. Usually takes
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| 10 | * parameters, that are also Expressions and have to be evaluated first.
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| 11 | */
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| 12 | public interface Expression {
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| 13 | /**
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| 14 | * Evaluate this expression.
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| 15 | * @param env The environment
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| 16 | * @return the result of the evaluation, can be a {@link java.util.List}, String or any
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| 17 | * primitive type or wrapper classes of a primitive type.
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| 18 | */
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| 19 | Object evaluate(Environment env);
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| 20 | }
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