Package org.mariuszgromada.math.mxparser

Class ExpressionUtils

  • final class ExpressionUtils
extends java.lang.Object
    Utility methods used in Expression class
    Version:
    6.1.0
    See Also:
    Expression

    • Field Detail

      • LANGUAGE_SPECIFIC_DESCRIPTIONS_SET

        static final boolean LANGUAGE_SPECIFIC_DESCRIPTIONS_SET

      • baseKeyWordsListParUdfUni111

        static java.util.List<KeyWord> baseKeyWordsListParUdfUni111

      • baseKeyWordsListParUdfUni110

        static java.util.List<KeyWord> baseKeyWordsListParUdfUni110

      • baseKeyWordsListParUdfUni101

        static java.util.List<KeyWord> baseKeyWordsListParUdfUni101

      • baseKeyWordsListParUdfUni100

        static java.util.List<KeyWord> baseKeyWordsListParUdfUni100

      • baseKeyWordsListParUdfUni011

        static java.util.List<KeyWord> baseKeyWordsListParUdfUni011

      • baseKeyWordsListParUdfUni010

        static java.util.List<KeyWord> baseKeyWordsListParUdfUni010

      • baseKeyWordsListParUdfUni001

        static java.util.List<KeyWord> baseKeyWordsListParUdfUni001

      • baseKeyWordsListParUdfUni000

        static java.util.List<KeyWord> baseKeyWordsListParUdfUni000

      • KEY_ADVANCED_SEARCH_TAG

        private static final java.lang.String KEY_ADVANCED_SEARCH_TAG
        See Also:
        Constant Field Values

      • DESC_ADVANCED_SEARCH_TAG

        private static final java.lang.String DESC_ADVANCED_SEARCH_TAG
        See Also:
        Constant Field Values

      • SYN_ADVANCED_SEARCH_TAG

        private static final java.lang.String SYN_ADVANCED_SEARCH_TAG
        See Also:
        Constant Field Values

      • SINCE_ADVANCED_SEARCH_TAG

        private static final java.lang.String SINCE_ADVANCED_SEARCH_TAG
        See Also:
        Constant Field Values

      • KEYID_ADVANCED_SEARCH_TAG

        private static final java.lang.String KEYID_ADVANCED_SEARCH_TAG
        See Also:
        Constant Field Values

      • TYPEID_ADVANCED_SEARCH_TAG

        private static final java.lang.String TYPEID_ADVANCED_SEARCH_TAG
        See Also:
        Constant Field Values

      • TYPE_ADVANCED_SEARCH_TAG

        private static final java.lang.String TYPE_ADVANCED_SEARCH_TAG
        See Also:
        Constant Field Values

    • Constructor Detail

      • ExpressionUtils

        ExpressionUtils()

    • Method Detail

      • addUDFSpecificParserKeyWords

        static void addUDFSpecificParserKeyWords​(java.util.List<KeyWord> keyWordsList)

      • addArgumentsKeyWords

        static void addArgumentsKeyWords​(java.util.List<Argument> argumentsList,
                                 java.util.List<KeyWord> keyWordsList)

      • addFunctionsKeyWords

        static void addFunctionsKeyWords​(java.util.List<Function> functionsList,
                                 java.util.List<KeyWord> keyWordsList)

      • addConstantsKeyWords

        static void addConstantsKeyWords​(java.util.List<Constant> constantsList,
                                 java.util.List<KeyWord> keyWordsList)

      • addKeyWord

        static void addKeyWord​(java.lang.String wordString,
                       java.lang.String wordDescription,
                       int wordId,
                       java.lang.String wordSyntax,
                       java.lang.String wordSince,
                       int wordTypeId,
                       java.util.List<KeyWord> keyWordsList)

      • addKeyWordUnicode

        static void addKeyWordUnicode​(java.lang.String wordString,
                              java.lang.String wordDescription,
                              int wordId,
                              java.lang.String wordSyntax,
                              java.lang.String wordSince,
                              int wordTypeId,
                              boolean unicodeKeyWordsEnabled,
                              java.util.List<KeyWord> keyWordsList)

      • addParserKeyWords

        static void addParserKeyWords​(boolean parserKeyWordsOnly,
                              boolean UDFExpression,
                              boolean unicodeKeyWordsEnabled,
                              java.util.List<KeyWord> keyWordsList)

      • getBaseKeyWordsList

        static java.util.List<KeyWord> getBaseKeyWordsList​(boolean parserKeyWordsOnly,
                                                   boolean UDFExpression,
                                                   boolean unicodeKeyWordsEnabled)

      • makeAllParserKeyWords

        static void makeAllParserKeyWords()

      • makeParserKeyWords

        static java.util.List<KeyWord> makeParserKeyWords​(boolean parserKeyWordsOnly,
                                                  boolean UDFExpression,
                                                  boolean unicodeKeyWordsEnabled)

      • makeParserKeyWords

        private static void makeParserKeyWords​(boolean parserKeyWordsOnly,
                                       boolean UDFExpression,
                                       boolean unicodeKeyWordsEnabled,
                                       java.util.List<KeyWord> keyWordsList)

      • getFunctionParameters

        static java.util.List<FunctionParameter> getFunctionParameters​(int pos,
                                                               java.util.List<Token> tokensList)
        Returns list of the functions parameters.
        Parameters:
        pos - the function position
        tokensList - the tokens list
        Returns:
        the list of function parameters
        See Also:
        FunctionParameter

      • cleanMinusMinus

        private static java.lang.String cleanMinusMinus​(java.lang.String expressionString)
        Cleans "--" case considering defined parser keywords "-->", "<--"

      • cleanExpressionString

        static java.lang.String cleanExpressionString​(java.lang.String expressionString,
                                              boolean attemptToFixExpStrEnabled)
        Cleans blanks and other cases like "++', "+-", "-+", "--"

      • createExpressionDescription

        static java.lang.String createExpressionDescription​(java.lang.String description,
                                                    java.lang.String expressionString)

      • getCopyOfInitialTokens

        static java.util.List<Token> getCopyOfInitialTokens​(java.lang.String expressionString,
                                                    java.util.List<Token> initialTokens)
        Tokenizes expression string and returns tokens list, including: string, type, level.
        Returns:
        Copy of initial tokens.
        See Also:
        Token, mXparser.consolePrintTokens(List)

      • getMissingUserDefinedArguments

        static java.lang.String[] getMissingUserDefinedArguments​(java.util.List<Token> tokens)
        Returns missing user defined arguments names, i.e. sin(x) + cos(y) where x and y are not defined function will return x and y.
        Returns:
        Array of missing user defined arguments names - distinct strings.

      • getMissingUserDefinedUnits

        static java.lang.String[] getMissingUserDefinedUnits​(java.util.List<Token> tokens)
        Returns missing user defined units names, i.e. 2*[w] + [q] where [w] and [q] are not defined function will return [w] and [q].
        Returns:
        Array of missing user defined units names - distinct strings.

      • getMissingUserDefinedFunctions

        static java.lang.String[] getMissingUserDefinedFunctions​(java.util.List<Token> tokens)
        Returns missing user defined functions names, i.e. sin(x) + fun(x,y) where fun is not defined function will return fun.
        Returns:
        Array of missing user defined functions names - distinct strings.

      • showKeyWords

        static void showKeyWords​(java.util.List<KeyWord> keyWordsList)

      • getHelp

        static java.lang.String getHelp​(java.lang.String query,
                                java.util.List<KeyWord> keyWordsList,
                                boolean addHeader,
                                boolean addCaption,
                                java.lang.String caption)

      • getHelp

        static java.lang.String getHelp​(java.lang.String query,
                                java.util.List<KeyWord> keyWordsList)

      • getHelpAsCsv

        static java.lang.String getHelpAsCsv​(java.util.List<KeyWord> keyWordsList,
                                     java.lang.String quote,
                                     java.lang.String delimiter,
                                     boolean addHeader,
                                     java.lang.String query)

      • buildHtmlTableRows

        private static void buildHtmlTableRows​(java.util.List<KeyWord> keyWordsList,
                                       boolean addHeader,
                                       java.lang.StringBuilder stringBuilder)

      • buildMarkdownTableRows

        private static void buildMarkdownTableRows​(java.util.List<KeyWord> keyWordsList,
                                           boolean addHeader,
                                           java.lang.StringBuilder stringBuilder)

      • makeJsonKeyValuePair

        private static java.lang.String makeJsonKeyValuePair​(java.lang.String key,
                                                     java.lang.String value)

      • buildJsonRows

        private static void buildJsonRows​(java.util.List<KeyWord> keyWordsList,
                                  java.lang.StringBuilder stringBuilder)

      • buildHelpCaption

        private static java.lang.String buildHelpCaption​(java.lang.String query)

      • selectCaption

        private static java.lang.String selectCaption​(java.lang.String query,
                                              java.lang.String caption)

      • makeCssClassDef

        private static java.lang.String makeCssClassDef​(java.lang.String cssClass)

      • getHelpAsHtmlTable

        static java.lang.String getHelpAsHtmlTable​(java.util.List<KeyWord> keyWordsList,
                                           boolean addHeader,
                                           boolean addCaption,
                                           boolean addFigure,
                                           java.lang.String query,
                                           java.lang.String caption,
                                           java.lang.String cssClass)

      • getHelpAsHtmlTable

        static java.lang.String getHelpAsHtmlTable​(java.util.List<KeyWord> keyWordsList,
                                           boolean addHeadline,
                                           java.lang.String query)

      • getHelpAsMarkdownTable

        static java.lang.String getHelpAsMarkdownTable​(java.util.List<KeyWord> keyWordsList,
                                               java.lang.String query)

      • getHelpAsMarkdownTable

        static java.lang.String getHelpAsMarkdownTable​(java.util.List<KeyWord> keyWordsList,
                                               boolean addHeader,
                                               boolean addCaption,
                                               java.lang.String query,
                                               java.lang.String caption)

      • getHelpAsJson

        static java.lang.String getHelpAsJson​(java.util.List<KeyWord> keyWordsList,
                                      boolean addCaption,
                                      java.lang.String query,
                                      java.lang.String caption)

      • buildHelpSearchLine

        private static java.lang.String buildHelpSearchLine​(KeyWord kw,
                                                    boolean advancedSearch)

      • containsAdvancedSearchTag

        private static boolean containsAdvancedSearchTag​(java.lang.String query,
                                                 java.lang.String tag)

      • checkIfAdvancedSearch

        private static boolean checkIfAdvancedSearch​(java.lang.String query)

      • getKeyWords

        static java.util.List<KeyWord> getKeyWords​(java.lang.String query,
                                           java.util.List<KeyWord> keyWordsList)
        Returns list of keywords known to the parser
        Parameters:
        query - Give any string to filter list of keywords against this string. User more precise syntax: str=tokenString, desc=tokenDescription, syn=TokenSyntax, sin=tokenSince, wid=wordId, tid=wordTypeId to narrow the result.
        Returns:
        List of keywords known to the parser filter against query string.
        See Also:
        KeyWord, KeyWord.wordTypeId, Expression.getHelp(String)

      • showParsing

        static void showParsing​(int lPos,
                        int rPos,
                        java.util.List<Token> tokensList)
        Shows parsing (verbose mode purposes).

      • showTokens

        static void showTokens​(java.util.List<Token> tokensList)

      • tokenToString

        static java.lang.String tokenToString​(Token token)

      • tokensListToString

        static java.lang.String tokensListToString​(java.util.List<Token> tokensList)

      • evaluateTokensLevels

        static void evaluateTokensLevels​(java.util.List<Token> initialTokens)
        Evaluates tokens levels

      • getNumeralSystemBaseFromBaseInd

        static int getNumeralSystemBaseFromBaseInd​(java.lang.String baseInd)

      • findNonNegativeMinimum

        static int findNonNegativeMinimum​(int a,
                                  int b)

      • findNonNegativeMinimum

        static int findNonNegativeMinimum​(int a,
                                  int b,
                                  int c)

      • cloneForThreadSafeArgumenstList

        static java.util.List<Argument> cloneForThreadSafeArgumenstList​(Expression relatedExpressionThatInitiatedClone,
                                                                java.util.List<Argument> argumentsListToClone,
                                                                CloneCache cloneCache)

      • cloneForThreadSafeFunctionsList

        static java.util.List<Function> cloneForThreadSafeFunctionsList​(Expression relatedExpressionThatInitiatedClone,
                                                                java.util.List<Function> functionsListToClone,
                                                                CloneCache cloneCache)

      • cloneForThreadSafeConstantsList

        static java.util.List<Constant> cloneForThreadSafeConstantsList​(Expression relatedExpressionThatInitiatedClone,
                                                                java.util.List<Constant> constantsListToClone,
                                                                CloneCache cloneCache)