<html>
{
-# $Id: search.egw,v 1.4 1995/10/31 10:03:53 adam Exp $
+# $Id: search.egw,v 1.7 1995/11/02 16:35:36 adam Exp $
+
+proc search-response {sno} {
+ global sessionWait
+
+ set status [z39.$sno responseStatus]
+ if {[lindex $status 0] == "NSD"} {
+ z39.$sno nextResultSetPosition 0
+ set code [lindex $status 1]
+ set msg [lindex $status 2]
+ set addinfo [lindex $status 3]
+ htmlr {<strong>Error} $code {: } $msg {: } $addinfo { </strong><br>}
+ set sessionWait -2
+ } else {
+ set sessionWait 1
+ }
+}
proc ok-response {} {
global sessionWait
set sessionWait -1
}
-proc display-rec {from to} {
- while {$from < $to} {
- htmlr {<b>} $from {</b><br>}
- if {![catch {
- set title [lindex [z39.1 getMarc $from field 245 * a] 0]
- set year [lindex [z39.1 getMarc $from field 260 * c] 0]
- } ] } {
- htmlr $title { <i> } $year {</i><br>}
+proc display-brief {zset no} {
+ global env
+ global setNo
+ global sessionId
+
+ set type [$zset type $no]
+ if {$type == "SD"} {
+ set err [lindex [$zset diag $no] 1]
+ set add [lindex [$zset diag $no] 2]
+ if {$add != {}} {
+ set add " :${add}"
+ }
+ htmlr "${no} Error ${err}${add} <br>"
+ return
+ }
+ if {$type != "DB"} {
+ return
+ }
+ html "${no} "
+ set rtype [$zset recordType $no]
+ if {$rtype == "SUTRS"} {
+ html [join [$zset getSutrs $no]]
+ htmlr {<br>}
+ return
+ }
+ if {![catch {
+ set title [lindex [$zset getMarc $no field 245 * a] 0]
+ set year [lindex [$zset getMarc $no field 260 * c] 0]
+ } ] } {
+ html {<a href="http://} $env(SERVER_NAME) $env(SCRIPT_NAME) /
+ html $sessionId {/showfull.egw/} $setNo + $no {"> } $title {</a>}
+ html " <i> ${year} </i>"
+ }
+ htmlr {<br>}
+}
+
+proc display-full {zset no} {
+ set type [$zset type $no]
+ if {$type == "SD"} {
+ set err [lindex [$zset diag $no] 1]
+ set add [lindex [$zset diag $no] 2]
+ if {$add != {}} {
+ set add " :${add}"
+ }
+ htmlr "<hr> ${no} <br>"
+ htmlr "Error ${err}${add} <br>"
+ return
+ }
+ if {$type != "DB"} {
+ return
+ }
+ htmlr "<hr> ${no} <br>"
+ set rtype [$zset recordType $no]
+ if {$rtype == "SUTRS"} {
+ htmlr [join [$zset getSutrs $no]]
+ return
+ }
+ if {[catch {set r [$zset getMarc $no line * * *]}]} {
+ htmlr "Unknown record type: $rtype"
+ return
+ }
+ foreach line $r {
+ set tag [lindex $line 0]
+ set indicator [lindex $line 1]
+ set fields [lindex $line 2]
+ set l [string length $indicator]
+ html "$tag "
+ if {$l > 0} {
+ for {set i 0} {$i < $l} {incr i} {
+ if {[string index $tag $i] == " "} {
+ html "_"
+ } else {
+ html [string index $tag $i]
+ }
+ }
}
+ foreach field $fields {
+ set id [lindex $field 0]
+ set data [lindex $field 1]
+ if {$id != ""} {
+ html " <b>\$$id</b> "
+ }
+ html $data
+ }
+ htmlr {<br>}
+ }
+}
+
+proc display-rec {from to} {
+ global setNo
+
+ while {$from <= $to} {
+ display-brief z39.$setNo $from
incr from
}
}
set op {}
set q {}
for {set i 1} {$i < 4} {incr i} {
- set term [form entry$i]
+ set term [wform entry$i]
if {$term != ""} {
- set field [form menu$i]
+ set field [wform menu$i]
foreach x [lindex $targets($t) 2] {
if {[lindex $x 0] == $field} {
set attr [lindex $x 1]
{}
{ set q "${attr} ${term}" }
}
- set op [form logic$i]
+ set op [wform logic$i]
}
}
return $q
}
+proc research {setNo oldHost piggy} {
+ global hist
global sessionWait
+
+ set host $hist($setNo,host)
+ if {[catch {z39 failback fail-response}]} {
+ ir z39
+ }
+ if {[catch {set oldHost [z39 connect]}]} {
+ set oldHost ""
+ }
z39 callback ok-response
z39 failback fail-response
+ if {$oldHost != $host} {
+ catch {z39 disconnect}
+
+ html "Connecting to target " $host " <br>\n"
+ set sessionWait 0
+ if {[catch {z39 connect $host}]} {
+ htmlr "Cannot connect to target ${host} <br>"
+ htmlr "</body></html>"
+ wabort
+ } elseif {$sessionWait == 0} {
+ zwait sessionWait
+ if {$sessionWait != 1} {
+ htmlr "Cannot connect to target ${host} <br>"
+ htmlr "</body></html>"
+ wabort
+ }
+ }
+ set sessionWait 0
+ z39 init
+ zwait sessionWait
+ if {$sessionWait != "1"} {
+ htmlr "Cannot initialize with target ${host} <br>"
+ htmlr "</body></html>"
+ wabort
+ }
+ }
+ if {![catch {z39.$setNo smallSetUpperBound 0}]} {
+ return
+ }
+ ir-set z39.$setNo z39
+ eval z39.$setNo databaseNames $hist($setNo,database)
+
+ z39.$setNo preferredRecordSyntax USMARC
+
+ 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
- ir-set z39.1 z39
- z39.1 databaseNames [form base]
- htmlr {<head><title> WWW/Z39.50 Gateway Search } $t { </title>}
- htmlr {</head><body>}
- set query [build-query]
- htmlr {query: } $query {<br>}
- z39.1 search $query
- htmlr {sessionId: } $sessionId {<br>}
- htmlr {sessionParms: } $sessionParms {<br>}
- htmlr {form: } [form] { <br>}
- htmlr {databases: } $databases { <br>}
+ z39.$setNo search $hist($setNo,query)
+
zwait sessionWait
- if {$sessionWait == 1} {
- set r [z39.1 resultCount]
- htmlr {<strong> } $r { hits</strong><br>}
+ if {$sessionWait != 1} {
+ htmlr {</body></html>}
+ wabort
+ }
+}
+
+ 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 {
- set status [z39.1 searchStatus]
- set msg [lindex $status 2]
- set addinfo [lindex $status 3]
- html {<strong>Search fail: } $msg
- if {$msg != ""} {
- html {, } $addinfo
+ html "state 2<br>\n"
+ if {![info exists hist($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
}
- htmlr {</strong><br></body></html>}
- wabort
}
- set setOffset [z39.1 numberOfRecordsReturned]
- display-rec 0 $setOffset
- set setMax [z39.1 resultCount]
- if {$setMax > 30} {
- set setMax 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
+
+
+ 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 $setMax - $setOffset]
+ set toGet [expr 1 + $setMax - $setOffset]
while {$toGet > 0} {
- z39.1 present $setOffset $toGet
- set got [z39.1 numberOfRecordsReturned]
- display-rec $setOffset [expr $got + $setOffset]
- set $setOffset [expr $got + $setOffset]
- set toGet [expr $setMax - $setOffset]
- set sessionWait 0
- zwait sessionWait
- if {$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]
+ }
+ 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>
-