gecko-dev/mailnews/addrbook/public/nsIAbBooleanExpression.idl

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 * Created by: Paul Sandoz   <paul.sandoz@sun.com> 
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#include "nsISupports.idl"
#include "nsISupportsArray.idl"

typedef long nsAbBooleanConditionType;

/**
 * Condition types
 *
 * Constants defining the types of condition
 * to obtain a boolean result of TRUE or FALSE
 *
 */
[scriptable, uuid(F51387B1-5AEF-4A1C-830E-7CD3B02366CE)]
interface nsIAbBooleanConditionTypes
{
    const long Exists        = 0;
    const long DoesNotExist        = 1;
    const long Contains        = 2;
    const long DoesNotContain    = 3;
    const long Is            = 4;
    const long IsNot        = 5;
    const long BeginsWith        = 6;
    const long EndsWith        = 7;
    const long LessThan        = 8;
    const long GreaterThan        = 9;
    const long SoundsLike        = 10;
    const long RegExp        = 11;
};


typedef long nsAbBooleanOperationType;

/*
 * Operation types
 *
 * Constants defining the boolean operation that
 * should be performed between two boolean expressions
 *
 */
 [uuid(9bdd2e51-2be4-49a4-a558-36d1a812231a)]
interface nsIAbBooleanOperationTypes
{
    const long AND        = 0;
    const long OR        = 1;
    const long NOT        = 2;
};


/**
 * String condition
 *
 * A string condition represents a leaf node in a
 * boolean expression tree and represents
 * test which will return TRUE or FALSE
 *
 * Condition is an expression which is a
 * leaf node in a boolean expression tree
 *
 */
[scriptable, uuid(C3869D72-CFD0-45F0-A0EC-3F67D83C7110)]
interface nsIAbBooleanConditionString : nsISupports
{
    /**
     * The condition for how the a value
     * should be compared
     *
     */
    attribute nsAbBooleanConditionType condition;

    /**
     * The lhs of the condition
     *
     * Represents a property name which
     * should be evaluated to obtain the
     * lhs.
     *
     */
    attribute string name;

    /**
     * The rhs of the condition
     *
     * <name> [condition] value
     *
     */ 
    attribute wstring value;
};

/**
 * N Boolean expression type
 *
 * Supports Unary Binary and N boolean expressions
 *
 * An operation represents a node in a boolean
 * expression tree which may contain one or more
 * child conditions or expressions
 *
 */
[scriptable, uuid(67F87C44-2C63-41A2-9545-AFF1D9F09623)]
interface nsIAbBooleanExpression: nsISupports
{
    /**
     * The boolean operation to be applied to
     * results of all evaluated expressions
     *
     */
    attribute nsAbBooleanOperationType operation;

    /**
     * List of peer expressions
     *
     * e1 [op] e2 [op] .... en
     *
     */
    attribute nsISupportsArray expressions;

    /**
     * expressions attribute defined explicitly as an
     * array of nsISupports
     *
     */
    void asetExpressions (in unsigned long aExpressionsSize,
        [array, size_is(aExpressionsSize)]
        in nsISupports aExpressionsArray);
    void agetExpressions (out unsigned long aExpressionsSize,
        [retval, array, size_is(aExpressionsSize)]
        out nsISupports aExpressionsArray);

};