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Jakarta Standard Tag Library Implementation
#
# Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
# Copyright 2004 The Apache Software Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# testing mixture of strings and expressions
abc
${ 3}
a${
a${ 5 }
${ 3 }b
${ 1 }${ 2 }
abc ${ 1} ${ 2} def
# testing values that end with or contain "$"
$
\$
$
test$
$test
test$test
test$$$
test$$${ 34 }
test$$${ 34 }$$
test$${ 34 }
$${ 34 }
$$
test$$
test$$test
${ 34 }$${ 34 }
# literals
${1}
${-12}
${true}
${false}
${null}
${4.2}
${-21.3}
${4.}
${.21}
${3e-1}
${.2222222222}
# string literals with "
${"abc"}
${""}
${"a"}
${" "}
${" some string ''' "}
${" with escaping \\"}
${" with escaping \""}
${" with escaping \"\\\""}
${" bad \ escaping"}
${" bad \' escaping"}
# string literals with '
${'abc'}
${''}
${'a'}
${' '}
${' some string """ '}
${' with escaping \\'}
${' with escaping \''}
${' with escaping \'\\\''}
${' bad \ escaping'}
${' bad \" escaping'}
# identifiers
${abc}
${abc123}
${abc_123}
${bad*identifier}
# property accessors
${a .b .c}
${ abc . 'def.ghi' . ghi . "jkl \"" }
# array accessors
${ a[14] }
${ abc [def]}
${ def ["yesthisisallowed"]}
# mixed property/array accessors
${ a.b.c[d. e. f]}
${ a[14].b[32].c[24][ 261] [24]}
${ a[b[c[d[e[f]]]].g] }
# mixed operators
${ 1 + 3 - 2 * 1 == 4}
${ 1 + 3 - 2 * 1 == 4 / 1.2}
${ 1 + 3 - 2 * 1 == 4 / 1.2 and abc}
${ 1 + 3 - 2 * 1 == 4 / 1.2 and abc or def or ghi and true}
# unary operators
${ --not abc.def }
# array accessors of non-integer types
${ a ["hello"]."12" [17.5] }
# making sure unicode escapes are not recognized
\u0040
"\u0040"
# relational operators
${ a > b }
${ a gt b }
${ a < b }
${ a lt b }
${ a >= b }
${ a ge b }
${ a <= b }
${ a le b }
${ a == b }
${ a eq b }
${ a != b }
${ a ne b }
# logical operators
${ a and b}
${ a && b}
${ a or b}
${ a || b}
${ !a }
${ not a }
# empty operator
${ empty "A"}
${ empty "" }
${ empty null }
${ empty false}
${ empty 0}
${ not empty 0}
${ not empty empty 0}
${ empty }
# functions
#${a()}
#${ a() }
#${a(b)}
#${ a(b) }
#${a(b,c)}
#${a(b,c,d)}
#${a:b(c)}
#${a:b(c,d)}
#${a:b(c,d,e)}
#${a(b).c}
#${a(b)[c]}
#${a[b()]}
# non-ascii input - the parser automatically translates the @@non-ascii
# into a UNICODE string with value \u1111
@@non-ascii