<html>
{
-# $Id: search.egw,v 1.6 1995/11/01 16:15:45 adam Exp $
+# $Id: search.egw,v 1.8 1995/11/06 17:44:21 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 {: } $addinfo { </strong><br>}
- set sessionWait -2
- } else {
- set sessionWait 1
- }
-}
-
-proc ok-response {} {
- global sessionWait
- set sessionWait 1
-}
-
-proc fail-response {} {
- global sessionWait
- set sessionWait -1
-}
-
-proc display-brief {zset no} {
- global env
- global setNo
- global sessionId
-
- set type [$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 $data
- }
- htmlr {<br>}
+ if {[info commands saveState] == ""} {
+ source z39util.tcl
}
-}
-
-proc display-rec {from to} {
- global setNo
-
- while {$from <= $to} {
- display-brief z39.$setNo $from
- incr from
- }
-}
-
-proc build-query {} {
- global targets
- global t
-
- set op {}
- set q {}
- for {set i 1} {$i < 4} {incr i} {
- set term [wform entry$i]
- if {$term != ""} {
- set field [wform menu$i]
- foreach x [lindex $targets($t) 2] {
- if {[lindex $x 0] == $field} {
- set attr [lindex $x 1]
- }
- }
- switch $op {
- And
- { set q "@and $q ${attr} ${term}" }
- Or
- { set q "@or $q ${attr} ${term}" }
- {And not}
- { set q "@not $q ${attr} ${term}" }
- {}
- { set q "${attr} ${term}" }
- }
- set op [wform logic$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.$setNo mediumSetPresentNumber 0
- }
- set sessionWait 0
- z39.$setNo search $hist($setNo,query)
-
- zwait sessionWait
- if {$sessionWait != 1} {
- htmlr {</body></html>}
- wabort
- }
-}
-
global sessionWait
global nextSetNo
global setNo
set hist($nextSetNo,host) $oldHost
}
set setNo $nextSetNo
+ html "using host " $hist($setNo,host) " <br\n"
incr nextSetNo
set hist($setNo,query) [build-query]
set 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
-
+ html "<head><title> WWW/Z39.50 Gateway Search " $host " </title>\n"
+ html "</head><body>\n"
set startPos [lindex $sessionParms 1]
set endPos [lindex $sessionParms 2]
+ set setMax 0
+ set setOffset 0
if {$startPos == ""} {
- research $setNo $oldHost 1
-
+ if {[z39search $setNo 1] != "1"} {
+ return
+ }
set r [z39.$setNo resultCount]
- html "<h3> $r hits</h3><br>\n"
- set setOffset [z39.$setNo numberOfRecordsReturned]
- display-rec 1 $setOffset
+ html "<h2> Search result $r hits</h2>\n"
wflush
+ set setOffset [z39.$setNo numberOfRecordsReturned]
+ display-rec 1 $setOffset display-brief
incr setOffset
set setMax [z39.$setNo resultCount]
if {$setMax > $hist($setNo,maxPresent)} {
set setMax $hist($setNo,maxPresent)
}
} else {
- research $setNo $oldHost 0
-
+ if {[z39search $setNo 0] != "1"} {
+ return
+ }
+ set r [z39.$setNo resultCount]
+ html "<h2> Search result $r hits</h2>\n"
+ wflush
set setOffset $startPos
set setMax [z39.$setNo resultCount]
if {$setMax > $endPos} {
set setMax $endPos
}
}
- set toGet [expr 1 + $setMax - $setOffset]
- while {$toGet > 0} {
- 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 - $setOffset]
- wflush
+ if {$setMax > 0} {
+ z39present $setNo $setOffset $setMax display-brief
}
}
-{
- 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>
{
html / $sessionId {/search.egw/} $setNo + [expr $setMax + 1]
html + [expr $setMax + $hist($setNo,maxPresent)] {"> Next </a>} "| \n"
}
- if {$startPos != ""} {
+ if {$startPos != "" && $startPos != "1"} {
html {<a href="http://} $env(SERVER_NAME) $env(SCRIPT_NAME)
html / $sessionId {/search.egw/} $setNo
if {[expr $startPos - $hist($setNo,maxPresent)] > 1} {
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 {"> New query </a>}
+ html / $sessionId {/query.egw/} $host + $setNo {"> New query </a>}
+}
+
+{
+ html "<hr>\n"
+ html "<h3>Debug information</h3>\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"
}
+
</body>
</html>
projects / egate.git / blobdiff