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###############################################################################
## ##
## Copyright (c) 2006, Visiprise Software, Inc ##
## All rights reserved. ##
## ##
## Redistribution and use in source and binary forms, with or without ##
## modification, are permitted provided that the following conditions ##
## are met: ##
## ##
## * Redistributions of source code must retain the above copyright ##
## notice, this list of conditions and the following disclaimer. ##
## * Redistributions in binary form must reproduce the above ##
## copyright notice, this list of conditions and the following ##
## disclaimer in the documentation and/or other materials provided ##
## with the distribution. ##
## * Neither the name of the Visiprise Software, Inc nor the names ##
## of its contributors may be used to endorse or promote products ##
## derived from this software without specific prior written ##
## permission. ##
## ##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ##
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ##
## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS ##
## FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ##
## COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, ##
## INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, ##
## BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; ##
## LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER ##
## CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT ##
## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ##
## ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE ##
## POSSIBILITY OF SUCH DAMAGE. ##
## ##
###############################################################################
package require WS::Server
package require WS::Utils
##
## Define the service
##
::WS::Server::Service \
-service wsMathExample \
-description {Math Example - Tcl Web Services} \
-host $::Config(host):$::Config(port)
##
## Define any special types
##
::WS::Utils::ServiceTypeDef Server wsMathExample Term {
`coef {type float}
powerTerms {type PowerTerm()}
}
::WS::Utils::ServiceTypeDef Server wsMathExample PowerTerm {
var {type string}
exponet {type float}
}
::WS::Utils::ServiceTypeDef Server wsMathExample Variables {
var {type string}
value {type float}
}
##
## Define the operations available
##
::WS::Server::ServiceProc \
wsMathExample \
{Add {type string comment {Sum of two number}}} \
{
N1 {type double comment {First number to add}}
N2 {type double comment {Second number to add}}
} \
{Add two numbers} {
return [list AddResult [expr {$N1 + $N2}]]
}
::WS::Server::ServiceProc \
wsMathExample \
{Subtract {type string comment {Difference of two number}}} \
{
Minuend {type double comment {Number to subtrack from}}
Subtrahend {type double comment {Number to be subtracked}}
} \
{Subtract one number from another} {
return [list SubtractResult [expr {$Minuend - $Subtrahend}]]
}
::WS::Server::ServiceProc \
wsMathExample \
{Multiply {type string comment {Product of two number}}} \
{
N1 {type double comment {First number to multiply}}
N2 {type double comment {Second number to multiply}}
} \
{Multiply two numbers} {
return [list MultiplyResult [expr {$N1 * $N2}]]
}
::WS::Server::ServiceProc \
wsMathExample \
{Divide {type string comment {Quotient of two number}}} \
{
Dividend {type double comment {Number that is being divided}}
Divisor {type double comment {Number dividing}}
} \
{Divide one number by another} {
if {$Divisor == 0.0} {
return \
-code error \
-errorcode [list MATH DIVBYZERO] \
"Can not divide by zero"
}
return [list DivideResult [expr {$Dividend / $Divisor}]]
}
::WS::Server::ServiceProc \
wsMathExample \
{Sqrt {type string comment {Square root of a non-negative number}}} \
{
X {type double comment {Number raised to the half power}}
} \
{The the square root of a number} {
if {$X < 0.0} {
return \
-code error \
-errorcode [list MATH RANGERR] \
"Can not take the square root of a negative number, $X"
}
return [list SqrtResult [expr {sqrt($X)}]]
}
##
## Define the operations available
##
::WS::Server::ServiceProc \
wsMathExample \
{EvaluatePolynomial {type float comment {Result of evaluating a polynomial}}} \
{
varList {type Variables() comment {The variables to be substitued into the polynomial}}
polynomial {type Term() comment {The polynomial}}
} \
{Evaluate a polynomial} {
set equation {0 }
foreach varDict $varList {
set var dict get $varDict var
set val dict get $varDict value
set vars($var) $val
}
foreach term $polynomial {
if {dict exists $term coef} {
set coef dict get $term coef
} else {
set coef 1
}
append equation "+ ($coef"
foreach pow dict get $term powerTerms {
if {dict exists $pow exponet} {
set exp dict get $pow exponet
} else {
set exp 1
}
append equation format { * pow($vars(%s),%s} [dict get $pow var $exp]
}
append equation ")"
}
set result expr $equation
return list SimpleEchoResult $result
}
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