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74 lines
1.6 KiB
Text
74 lines
1.6 KiB
Text
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//=============================================================================
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//
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// Option Search Query class represents a search query.
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// A search query consists constists of one or more terms (words).
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//
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// Query matching deponds on "os_is_any_of" variable.
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// If this variable is "true", the text matches the query if any of the terms
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// matches the query.
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// If this variable is "false", the text matches the query only if all the
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// terms match the query.
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//
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//=============================================================================
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class os_Query
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{
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static os_Query fromString(string str)
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{
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let query = new("os_Query");
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str.Split(query.mQueryParts, " ", TOK_SKIPEMPTY);
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return query;
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}
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bool matches(string text, bool isSearchForAny)
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{
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return isSearchForAny
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? matchesAny(text)
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: matchesAll(text);
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}
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// private: //////////////////////////////////////////////////////////////////
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private bool matchesAny(string text)
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{
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int nParts = mQueryParts.size();
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for (int i = 0; i < nParts; ++i)
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{
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string queryPart = mQueryParts[i];
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if (contains(text, queryPart)) { return true; }
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}
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return false;
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}
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private bool matchesAll(string text)
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{
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int nParts = mQueryParts.size();
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for (int i = 0; i < nParts; ++i)
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{
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string queryPart = mQueryParts[i];
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if (!contains(text, queryPart)) { return false; }
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}
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return true;
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}
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private static bool contains(string str, string substr)
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{
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let lowerstr = str .MakeLower();
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let lowersubstr = substr.MakeLower();
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bool contains = (lowerstr.IndexOf(lowersubstr) != -1);
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return contains;
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}
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private Array<String> mQueryParts;
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}
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