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root |
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/* |
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* attribute set management |
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*/ |
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#include "config.h" |
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#include "lsys.h" |
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#include "attr.h" |
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vec attribute_set::operator ()(const string &attr, const vec &def) const t_err |
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{ |
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const_iterator i; |
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if ((i = find (attr)) == end ()) |
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return def; |
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if (i->second.size () != 3) |
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throw error("attribute '" + attr + "' must have three elements", i->second); |
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return vec (eval_expr (i->second.first ()), |
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eval_expr (i->second.second ()), |
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eval_expr (i->second.third ())); |
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} |
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