<html>
{
-# $Id: search.egw,v 1.5 1995/10/31 16:56:24 adam Exp $
+# $Id: search.egw,v 1.7 1995/11/02 16:35:36 adam Exp $
-proc search-response {} {
+proc search-response {sno} {
global sessionWait
- set status [z39.1 responseStatus]
+ set status [z39.$sno responseStatus]
if {[lindex $status 0] == "NSD"} {
- z39.1 nextResultSetPosition 0
+ z39.$sno nextResultSetPosition 0
set code [lindex $status 1]
set msg [lindex $status 2]
set addinfo [lindex $status 3]
proc display-brief {zset no} {
global env
+ global setNo
global sessionId
set type [$zset type $no]
set year [lindex [$zset getMarc $no field 260 * c] 0]
} ] } {
html {<a href="http://} $env(SERVER_NAME) $env(SCRIPT_NAME) /
- html $sessionId {/showfull.egw/} $no {"> } $title {</a>}
+ html $sessionId {/showfull.egw/} $setNo + $no {"> } $title {</a>}
html " <i> ${year} </i>"
}
htmlr {<br>}
}
proc display-rec {from to} {
+ global setNo
+
while {$from <= $to} {
- display-brief z39.1 $from
+ display-brief z39.$setNo $from
incr from
}
}
return $q
}
+proc research {setNo oldHost piggy} {
+ global hist
global sessionWait
- global host
-
- set newHost $sessionParms
- set databases [lindex $targets($newHost) 1]
- htmlr {<head><title> WWW/Z39.50 Gateway Search } $newHost { </title>}
- htmlr {</head><body>}
- wflush
-
- if {[catch {z39 callback ok-response}]} {
+ set host $hist($setNo,host)
+ if {[catch {z39 failback fail-response}]} {
ir z39
}
- if {$newHost != $host} {
- set host $newHost
- z39 disconnect
- z39 callback ok-response
- z39 failback fail-response
+ if {[catch {set oldHost [z39 connect]}]} {
+ set oldHost ""
+ }
+ z39 callback ok-response
+ z39 failback fail-response
+ if {$oldHost != $host} {
+ catch {z39 disconnect}
- htmlr {Connecting to target } $host { <br>}
+ html "Connecting to target " $host " <br>\n"
set sessionWait 0
if {[catch {z39 connect $host}]} {
htmlr "Cannot connect to target ${host} <br>"
wabort
}
}
- ir-set z39.1 z39
- set b [wform base]
- if {$b == ""} {
- z39.1 databaseNames [lindex $targets($host) 1]
- } else {
- z39.1 databaseNames [list $b]
- htmlr {selected: } $b { <br>}
+ if {![catch {z39.$setNo smallSetUpperBound 0}]} {
+ return
}
- z39.1 preferredRecordSyntax USMARC
-
- set query [build-query]
+ ir-set z39.$setNo z39
+ eval z39.$setNo databaseNames $hist($setNo,database)
- htmlr {<hr>query: --} $query {-- <br>}
- htmlr {sessionId: } $sessionId {<br>}
- htmlr {sessionParms: } $sessionParms {<br>}
- htmlr {form: } [wform] { <br>}
- htmlr {databases: } $databases { <br>}
- htmlr {selected: } [wform base] { <br><hr>}
+ z39.$setNo preferredRecordSyntax USMARC
- z39 callback search-response
+ z39 callback search-response $setNo
+ if {$piggy} {
+ z39.$setNo largeSetLowerBound 999999
+ z39.$setNo smallSetUpperBound 0
+ z39.$setNo mediumSetPresentNumber $hist($setNo,maxPresent)
+ } else {
+ z39.$setNo largeSetLowerBound 2
+ z39.$setNo smallSetUpperBound 0
+ z39.$setNo mediumSetPresentNumber 0
+ }
set sessionWait 0
- z39.1 search $query
+ z39.$setNo search $hist($setNo,query)
zwait sessionWait
- if {$sessionWait == 1} {
- set r [z39.1 resultCount]
- htmlr {<strong> } $r { hits</strong><br><br>}
- } else {
+ if {$sessionWait != 1} {
htmlr {</body></html>}
wabort
}
- set setOffset [z39.1 numberOfRecordsReturned]
- display-rec 1 $setOffset
+}
+
+ global sessionWait
+ global nextSetNo
+ global setNo
+ global hist
+
+ set oldHost $hist($setNo,host)
+
+ if {[wform menu1] == ""} {
+ html "state 1<br>\n"
+ set setNo [lindex $sessionParms 0]
+ } else {
+ html "state 2<br>\n"
+ if {![info exists hist($nextSetNo,host)]} {
+ set hist($nextSetNo,host) $oldHost
+ }
+ set setNo $nextSetNo
+ html "using host " $hist($setNo,host) " <br\n"
+ incr nextSetNo
+
+ set hist($setNo,query) [build-query]
+ set b [wform base]
+ if {$b == ""} {
+ set hist($setNo,database) $databases
+ } else {
+ set hist($setNo,database) $b
+ }
+ set hist($setNo,maxPresent) [wform hits]
+ if {$hist($setNo,maxPresent) == ""} {
+ set hist($setNo,maxPresent) 30
+ }
+ }
+ set host $hist($setNo,host)
+ set databases [lindex $targets($host) 1]
+
+ htmlr {<head><title> WWW/Z39.50 Gateway Search } $host { </title>}
+ htmlr {</head><body>}
+ html "<h2> Search result </h2>\n"
wflush
- incr setOffset
- set setMax [z39.1 resultCount]
- if {$setMax > 30} {
- set setMax 30
+
+
+ set startPos [lindex $sessionParms 1]
+ set endPos [lindex $sessionParms 2]
+ if {$startPos == ""} {
+ research $setNo $oldHost 1
+
+ set r [z39.$setNo resultCount]
+ html "<h3> $r hits</h3><br>\n"
+ set setOffset [z39.$setNo numberOfRecordsReturned]
+ display-rec 1 $setOffset
+ wflush
+ incr setOffset
+ set setMax [z39.$setNo resultCount]
+ if {$setMax > $hist($setNo,maxPresent)} {
+ set setMax $hist($setNo,maxPresent)
+ }
+ } else {
+ research $setNo $oldHost 0
+
+ set setOffset $startPos
+ set setMax [z39.$setNo resultCount]
+ if {$setMax > $endPos} {
+ set setMax $endPos
+ }
}
set toGet [expr 1 + $setMax - $setOffset]
while {$toGet > 0} {
- set sessionWait 0
- z39.1 present $setOffset $toGet
- zwait sessionWait
- if {$sessionWait != "1"} {
- break
+ for {set got 0} {$got < $toGet} {incr got} {
+ if {[z39.$setNo type [expr $setOffset + $got]] == ""} {
+ break
+ }
+ }
+ if {$got < $toGet} {
+ set sessionWait 0
+ z39.$setNo present $setOffset $toGet
+ zwait sessionWait
+ if {$sessionWait != "1"} {
+ break
+ }
+ set got [z39.$setNo numberOfRecordsReturned]
}
- set got [z39.1 numberOfRecordsReturned]
display-rec $setOffset [expr $got + $setOffset - 1]
set setOffset [expr $got + $setOffset]
set toGet [expr 1 + $setMax - $setOffset]
wflush
}
}
+
+{
+ html "<hr>\n"
+ html "<strong>Debug information</strong><br>\n"
+ html "sessionId: $sessionId <br>\n"
+ html "sessionParms: $sessionParms <br>\n"
+ foreach e {SERVER_NAME PATH_INFO SCRIPT_NAME} {
+ html $e {: } $env($e) {<br>} \n
+ }
+ html "form: " [wform] " <br>\n"
+ html "target: " $host " <br>\n"
+ html "databases: " $hist($setNo,database) " <br>\n"
+ html "selected: " [wform base] " <br>\n"
+ html "query: ->" $hist($setNo,query) "<- <br>"
+ html "setNo: " $setNo " <br>\n"
+ html "nextSetNo: " $nextSetNo " <br>\n"
+}
+
+<hr>
+{
+ if {$setMax < [z39.$setNo resultCount]} {
+ html {<a href="http://} $env(SERVER_NAME) $env(SCRIPT_NAME)
+ html / $sessionId {/search.egw/} $setNo + [expr $setMax + 1]
+ html + [expr $setMax + $hist($setNo,maxPresent)] {"> Next </a>} "| \n"
+ }
+ if {$startPos != ""} {
+ html {<a href="http://} $env(SERVER_NAME) $env(SCRIPT_NAME)
+ html / $sessionId {/search.egw/} $setNo
+ if {[expr $startPos - $hist($setNo,maxPresent)] > 1} {
+ html + [expr $startPos - $hist($setNo,maxPresent)]
+ html + [expr $startPos - 1]
+ }
+ html {"> Prev </a>} "| \n"
+ }
+ html {<a href="http://} $env(SERVER_NAME) $env(SCRIPT_NAME)
+ html / $sessionId {/targets.egw"> New target </a>} " | \n"
+ html {<a href="http://} $env(SERVER_NAME) $env(SCRIPT_NAME)
+ html / $sessionId {/query.egw/} $host + $setNo {"> New query </a>}
+}
</body>
</html>
-
projects / egate.git / blobdiff