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Sunday, August 28, 2011

berita.tcl

################
# ^AnDrA^VaLiD # 
################

#
# Start of Settings
#

namespace eval ::rss-synd {
variable rss

# This is an example of a basic feed, If you dont understand why all
#   the \'s are in the examples below use this one as a template.
set rss(antara) {
"url" "http://www.liputan6.com/feed/rss/"
"channels" "#batu-uno"
"database" "./scripts/liputan6.db"
"output" "@@channel!title@@ - @@item!pubDate@@ - @@item!title@@ - @@item!description@@ - Selengkapnya (@@item!guid@@)"
"trigger" "!liputan6"
"evaluate-tcl" 1
}

set rss(lowongan) {
"url" "http://jakjobs.com/feed/"
"channels" "#uno"
"output" "@@channel!title@@ - @@item!pubDate@@ - @@item!title@@ - @@item!description@@ - Selengkapnya (@@item!link@@)"
"database" "./scripts/lowongan.db"
"trigger" "!lowongan"
"evaluate-tcl" 1
}

set rss(metro) {
"url" "http://www.kompas.com/getrss/all"
"channels" "#blora"
"output" "@@channel!title@@ - @@item!pubDate@@ - @@item!title@@ - @@item!description@@ - Selengkapnya (@@item!link@@)"
"database" "./scripts/kompas.db"
"trigger" "!kompas"
"evaluate-tcl" 1
}

set rss(techno) {
"url" "http://sindikasi.okezone.com/index.php/techno/RSS2.0"
"channels" "#kendari"
"output" "@@channel!title@@ - @@item!pubDate@@ - @@item!title@@ - @@item!description@@ - Selengkapnya (@@item!link@@)"
"database" "./scripts/techho.db"
"trigger" "!techno"
"evaluate-tcl" 1
}

set rss(sport) {
"url" "http://sindikasi.okezone.com/index.php/sports/RSS2.0"
"channels" "#blora"
"output" "@@channel!title@@ - @@item!pubDate@@ - @@item!title@@ - @@item!description@@ - Selengkapnya (@@item!link@@)"
"database" "./scripts/sport.db"
"trigger" "!sports"
"output-order" 1
"evaluate-tcl" 1
}

set rss(lowong) {
"url" "http://kerja.bursa-lowongan.com/feed/"
"channels" "#batu-uno"
"output" "@@channel!title@@ - @@item!pubDate@@ - @@item!title@@ - @@item!description@@ - Selengkapnya (@@item!link@@)"
"database" "./scripts/lowong.db"
"trigger" "!lowong"
"evaluate-tcl" 1
}
set rss(kampus) {
"url" "http://sindikasi.okezone.com/index.php/kampus/RSS2.0"
"channels" "#blora"
"output" "@@channel!title@@ - @@item!pubDate@@ - @@item!title@@ - @@item!description@@ - Selengkapnya (@@item!link@@)"
"database" "./scripts/kampus.db"
"trigger" "!kampus"
"evaluate-tcl" 1
}

set rss(artis) {
"url" "http://sindikasi.okezone.com/index.php/celebrity/RSS2.0"
"channels" "#blora"
"output" "@@channel!title@@ - @@item!pubDate@@ - @@item!title@@ - @@item!description@@ - Selengkapnya (@@item!link@@)"
"database" "./scripts/artis.db"
"trigger" "!artis"
"evaluate-tcl" 1
}




# The default settings, If any setting isnt set for an individual feed
#   it'll use the default listed here
#
# WARNING: You can change the options here, but DO NOT REMOVE THEM, doing
#   so will cause errors.
set default {
"announce-output" 1
"trigger-output" 1
"remove-empty" 1
"trigger-type" 0:2
"announce-type" 0
"max-depth" 5
"evaluate-tcl" 0
"update-interval" 2
"output-order" 1
"timeout" 60000
"channels" "#kopiku"
"trigger" "!rss @@feedid@@"
"output" "\[\002@@channel!title@@@@title@@\002\] @@item!title@@@@entry!title@@ - @@item!link@@@@entry!link!=href@@"
"user-agent" "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.6) Gecko/20060728 Firefox/1.5.0.6"
}
}

#
# End of Settings
#
###############################################################################

proc ::rss-synd::init {args} {
variable rss
variable default
variable version
variable packages

set version(number) "PKINACTION"
set version(date) "30-01-2007"
package require http
set packages(base64) [catch {package require base64}]; # http auth
set packages(tls) [catch {package require tls}]; # https
set packages(trf) [catch {package require Trf}]; # gzip compression

foreach feed [array names rss] {
array set tmp $default
array set tmp $rss($feed)

set required [list "announce-output" "trigger-output" "max-depth" "update-interval" "timeout" "channels" "output" "user-agent" "url" "database" "trigger-type" "announce-type"]
foreach {key value} [array get tmp] {
if {[set ptr [lsearch -exact $required $key]] >= 0} {
set required [lreplace $required $ptr $ptr]
}
}

if {[llength $required] == 0} {
regsub -nocase -all -- {@@feedid@@} $tmp(trigger) $feed tmp(trigger)

set ulist [regexp -nocase -inline -- {(http(?:s?))://(?:(.[^:]+:.[^@]+)?)(?:@?)(.*)} $tmp(url)]

if {[llength $ulist] == 0} {
putlog "\002RSS Error\002: Unable to parse URL, Invalid format for feed \"$feed\"."
unset rss($feed)
continue
}

set tmp(url) "[lindex $ulist 1]://[lindex $ulist 3]"

if {[string compare [lindex $ulist 1] "https"] == 0} {
if {$packages(tls) != 0} {
putlog "\002RSS Error\002: Unable to find tls package required for https, unloaded feed \"$feed\"."
unset rss($feed)
continue
}

::http::register https 443 ::tls::socket
}

if {(![info exists tmp(url-auth)]) || ([string compare $tmp(url-auth) ""] == 0)} {
set tmp(url-auth) ""

if {[string compare [lindex $ulist 2] ""] != 0} {
if {$packages(base64) != 0} {
putlog "\002RSS Error\002: Unable to find base64 package required for http authentication, unloaded feed \"$feed\"."
unset rss($feed)
continue
}

set tmp(url-auth) [::base64::encode [lindex $ulist 2]]
}
}

if {[regexp {^[0123]{1}:[0123]{1}$} $tmp(trigger-type)] != 1} {
putlog "\002RSS Error\002: Invalid 'trigger-type' syntax for feed \"$feed\"."
unset rss($feed)
continue
}

set tmp(trigger-type) [split $tmp(trigger-type) ":"]

if {([info exists tmp(charset)]) && ([lsearch -exact [encoding names] [string tolower $tmp(charset)]] < 0)} {
putlog "\002RSS Error\002: Unable to load feed \"$feed\", unknown encoding \"$tmp(encoding)\"."
unset rss($feed)
continue
}

set tmp(updated) 0

if {([file exists $tmp(database)]) && ([set mtime [file mtime $tmp(database)]] < [unixtime])} {
set tmp(updated) [file mtime $tmp(database)]
}

set rss($feed) [array get tmp]
} else {
putlog "\002RSS Error\002: Unable to load feed \"$feed\", missing one or more required settings. \"[join $required ", "]\""
unset rss($feed)
}

unset tmp
}

bind evnt -|- prerehash [namespace current]::deinit
bind time -|- {* * * * *} [namespace current]::feed_get
bind pubm -|- {* *} [namespace current]::pub_trigger
bind msgm -|- {*} [namespace current]::msg_trigger

putlog "\002masandra all news v$version(number)\002 ($version(date)): LoadeD..."
}

proc ::rss-synd::deinit {args} {
catch {unbind evnt -|- prerehash [namespace current]::deinit}
catch {unbind time -|- {* * * * *} [namespace current]::feed_get}
catch {unbind pubm -|- {* *} [namespace current]::pub_trigger}
catch {unbind msgm -|- {*} [namespace current]::msg_trigger}

foreach child [namespace children] {
catch {[set child]::deinit}
}

namespace delete [namespace current]
}

#
# Trigger Functions
##

proc ::rss-synd::msg_trigger {nick user handle text} {
[namespace current]::handle_triggers $text $nick
}

proc ::rss-synd::pub_trigger {nick user handle chan text} {
[namespace current]::handle_triggers $text $nick $chan
}

proc ::rss-synd::handle_triggers {text nick {chan ""}} {
variable rss

foreach name [array names rss] {
array set feed $rss($name)

if {[string compare -nocase $text $feed(trigger)] == 0} {
if {([[namespace current]::check_channel $feed(channels) $chan]) || ([string length $chan] == 0)} {

if {[string compare $chan ""] == 0} {
set feed(channels) $nick

set feed(type) [lindex $feed(trigger-type) 1]
} else {
set feed(channels) $chan

set feed(type) [lindex $feed(trigger-type) 0]
}

if {[catch {set data [[namespace current]::feed_read [array get feed]]} error] == 0} {

if {[set feedlist [[namespace current]::feed_info [array get feed] $data]] == ""} {
putlog "\002RSS Error\002: Invalid feed format ($state(url))!"
return
}

array set feed $feedlist

if {$feed(trigger-output) >= 0} {
set feed(announce-output) $feed(trigger-output)

[namespace current]::feed_output [array get feed] $data
}
} else { putlog "\002RSS Warning\002: $error." }
}
}
}
}

#
# Feed Retrieving Functions
##

proc ::rss-synd::feed_get {args} {
variable rss

set i 0
foreach name [array names rss] {
if {$i == 3} { break }

array set feed $rss($name)

if {$feed(updated) <= [expr { [unixtime] - ($feed(update-interval) * 60) }]} {
::http::config -useragent $feed(user-agent)

set feed(type) $feed(announce-type)
set feed(headers) [list]

if {[string compare $feed(url-auth) ""] != 0} {
lappend feed(headers) "Authorization" "Basic $feed(url-auth)"
}

if {([info exists feed(enable-gzip)]) && ($feed(enable-gzip) == 1)} {
lappend feed(headers) "Accept-Encoding" "gzip"
}

catch {::http::geturl "$feed(url)" -command "[namespace current]::feed_callback {[array get feed] depth 0}" -timeout $feed(timeout) -headers $feed(headers)} debug

set feed(updated) [unixtime]
set rss($name) [array get feed]
incr i
}

unset feed
}
}

proc ::rss-synd::feed_callback {feedlist args} {
set token [lindex $args end]
array set feed $feedlist

upvar 0 $token state

if {[string compare -nocase $state(status) "ok"] != 0} {
putlog "\002RSS HTTP Error\002: $state(url) (State: $state(status))"
return 1
}

array set meta $state(meta)

if {([::http::ncode $token] == 302) || ([::http::ncode $token] == 301)} {
set feed(depth) [expr {$feed(depth) + 1 }]

if {$feed(depth) < $feed(max-depth)} {
catch {::http::geturl "$meta(Location)" -command "[namespace current]::feed_callback {$feedlist}" -timeout $feed(timeout) -headers $feed(headers)}
} else {
putlog "\002RSS HTTP Error\002: $state(url) (State: timeout, max refer limit reached)"
}

return 1
} elseif {[::http::ncode $token] != 200} {
putlog "\002RSS HTTP Error\002: $state(url) ($state(http))"
return 1
}

set data [::http::data $token]

if {([info exists meta(Content-Encoding)]) && \
   ([string compare $meta(Content-Encoding) "gzip"] == 0)} {
if {[catch {[namespace current]::feed_gzip $data} data] != 0} {
putlog "\002RSS Error\002: Unable to decompress \"$state(url)\": $data"
return 1
}
}

if {[catch {[namespace current]::xml_list_create $data} data] != 0} {
putlog "\002RSS Error\002: Unable to parse feed properly, parser returned error. \"$state(url)\""
return 1
}

if {[string length $data] == 0} {
putlog "\002RSS Error\002: Unable to parse feed properly, no data returned. \"$state(url)\""
return 1
}

set odata ""
if {[catch {set odata [[namespace current]::feed_read $feedlist]} error] != 0} {
putlog "\002RSS Warning\002: $error."
}

if {[set feedlist [[namespace current]::feed_info $feedlist $data]] == ""} {
putlog "\002RSS Error\002: Invalid feed format ($state(url))!"
return 1
}

array set feed $feedlist

::http::cleanup $token

if {[catch {[namespace current]::feed_write $feedlist $data} error] != 0} {
putlog "\002RSS Database Error\002: $error."
return 1
}

if {$feed(announce-output) > 0} {
[namespace current]::feed_output $feedlist $data $odata
}
}

proc ::rss-synd::feed_info {feedlist data} {
array set feed $feedlist
set length [[namespace current]::xml_get_info $data [list -1 "*"]]

for {set i 0} {$i < $length} {incr i} {
set type [[namespace current]::xml_get_info $data [list $i "*"] "name"]

# tag-name: the name of the element that contains each article and its data.
# tag-list: the position in the xml structure where all 'tag-name' reside.
switch [string tolower $type] {
rss {
# RSS v0.9x & x2.0
set feed(tag-list) [list 0 "channel"]
set feed(tag-name) "item"
break
}
rdf:rdf {
# RSS v1.0
set feed(tag-list) [list]
set feed(tag-name) "item"
break
}
feed {
# ATOM
set feed(tag-list) [list]
set feed(tag-name) "entry"
break
}
}
}

if {![info exists feed(tag-list)]} {
return
}

#set feed(tag-feed) [list $i $type]
set feed(tag-feed) [list 0 $type]

return [array get feed]
}

# decompress gzip formatted data
proc ::rss-synd::feed_gzip {cdata} {
variable packages

if {(![info exists packages(trf)]) || \
   ($packages(trf) != 0)} {
error "Trf package not found."
}

# remove the 10 byte gzip header and 8 byte footer.
set cdata [string range $cdata 10 [expr { [string length $cdata] - 9 } ]]

# decompress the raw data
if {[catch {zip -mode decompress -nowrap 1 $cdata} data] != 0} {
error $data
}

return $data
}

proc ::rss-synd::feed_read {feedlist} {
array set feed $feedlist

if {[catch {open $feed(database) "r"} fp] != 0} {
error $fp
}

if {[info exists feed(charset)]} {
fconfigure $fp -encoding [string tolower $feed(charset)]
}

set data ""
while {![eof $fp]} {
gets $fp line
append data $line
}

close $fp

return $data
}

proc ::rss-synd::feed_write {feedlist data} {
array set feed $feedlist

if {[catch {open $feed(database) "w+"} fp] != 0} {
error $fp
}

if {[info exists feed(charset)]} {
fconfigure $fp -encoding [string tolower $feed(charset)]
}

set data [string map { "\n" "" "\r" "" } $data]

puts -nonewline $fp $data

close $fp
}

#
# XML Functions
##

proc ::rss-synd::xml_list_create {xml_data} {
set xml_list [list]

set ptr 0
while {[string compare [set tag_start [[namespace current]::xml_get_position $xml_data $ptr]] ""]} {
array set tag [list]

set tag_start_first [lindex $tag_start 0]
set tag_start_last [lindex $tag_start 1]

set tag_string [string range $xml_data $tag_start_first $tag_start_last]

# move the pointer to the next character after the current tag
set last_ptr $ptr
set ptr [expr { $tag_start_last + 2 }]

if {[regexp -nocase -- {^!(\[CDATA|--)} $tag_string]} {
regexp -nocase -- {^!\[CDATA\[(.*?)\]\]$} $tag_string -> tag_data
regexp -nocase -- {^!--(.*?)--$} $tag_string -> tag_data

if {[info exists tag_data]} {
set tag(data) [[namespace current]::xml_escape $tag_data]
}
} else {
# we should only ever encounter opening tags, if we hit a closing one somethings wrong.
if {[string match {[/]*} $tag_string]} {
putlog "\002Malformed Feed\002: Tag not open: \"<$tag_string>\" ($tag_start_first => $tag_start_last)"
continue
}

# NOTE: should this be a continue ?
if {![regexp -- {(.[^ \/\n\r]*)(?: |\n|\r\n|\r|)(.*?)$} $tag_string -> tag_name tag_args]} {
putlog "parse error!!!?!?!?!"
continue
}
set tag(name) [[namespace current]::xml_escape $tag_name]

# get all of the tags attributes
set tag(attrib) [list]
if {[string length $tag_args] > 0} {
set values [regexp -inline -all -- {(?:\s*|)(.[^=]*)="(.[^"]*)"} $tag_args]

foreach {r_match r_tag r_value} $values {
lappend tag(attrib) [[namespace current]::xml_escape $r_tag] [[namespace current]::xml_escape $r_value]
}
}

# find the end tag of non-self-closing tags
if {(![regexp {(\?|!|/)(\s*)$} $tag_args]) || \
   (![string match "\?*" $tag_string])} {

# search for a possible closing tag
regexp -indices -start $ptr -- "</$tag_name>" $xml_data tag_end
set tag_end_first [lindex $tag_end 0]
set tag_end_last [lindex $tag_end 1]

# find out if we have any open tags of the same name inbetween
set tmp_num [regexp -all -- "<$tag_name\(|.\[^>\]+\)>" [string range $xml_data $ptr $tag_end_last]]

# find the correct closing tag if there are nested elements
#  with the same name
while {$tmp_num > 0} {
regexp -indices -start $tag_end_last -- "</$tag_name>" $xml_data tag_end

set tag_end_first [lindex $tag_end 0]
set tag_end_last [lindex $tag_end 1]

incr tmp_num -1
}

# set the pointer to after the last closing tag
set ptr [expr { $tag_end_last + 1 }]

catch {unset tmp_num xml_sub_data}

# remember tag_start*'s character index doesnt include the tag start and end characters
set xml_sub_data [string range $xml_data [expr { $tag_start_last + 2 }] [expr { $tag_end_first - 1 }]]

# recurse the data within the currently open tag
set result [[namespace current]::xml_list_create $xml_sub_data]

# set the list data returned from the recursion we just performed
if {[llength $result] > 0} {
set tag(children) $result

# set the current data we have because were already at the end of a branch
#  (ie: the recursion didnt return any data)
} else {
set tag(data) [[namespace current]::xml_escape $xml_sub_data]
}
}
}

# insert any plain data that appears before the current element
if {$last_ptr != [expr { $tag_start_first - 1 }]} {
lappend xml_list [list "data" [[namespace current]::xml_escape [string range $xml_data $last_ptr [expr { $tag_start_first - 2 }]]]]
}
lappend xml_list [array get tag]

array unset tag "*"
}

# if there is still plain data left add it
if {$ptr < [string length $xml_data]} {
lappend xml_list [list "data" [[namespace current]::xml_escape [string range $xml_data $ptr end]]]
}

return $xml_list
}

# simple escape function
proc ::rss-synd::xml_escape {string} {
regsub -all -- {([\{\}])} $string {\\\1} string

return $string
}

# this function is to replace:
#  regexp -indices -start $ptr {<(!\[CDATA\[.+?\]\]|!--.+?--|.+?)>} $xml_data -> tag_start
# which doesnt work correctly with tcl's re_syntax.
proc ::rss-synd::xml_get_position {xml_data ptr} {
set tag_start [list -1 -1]

regexp -indices -start $ptr {<(.+?)>} $xml_data -> tmp(tag)
regexp -indices -start $ptr {<(!--.*?--)>} $xml_data -> tmp(comment)
regexp -indices -start $ptr {<(!\[CDATA\[.+?\]\])>} $xml_data -> tmp(cdata)

# 'tag' regexp should be compared last
foreach name [lsort [array names tmp]] {
set tmp_s [split $tmp($name)]
if {( ([lindex $tmp_s 0] < [lindex $tag_start 0]) && \
     ([lindex $tmp_s 0] > -1) ) || \
            ([lindex $tag_start 0] == -1)} {
set tag_start $tmp($name)
}
}

if {([lindex $tag_start 0] == -1) || \
   ([lindex $tag_start 1] == -1)}  {
set tag_start ""
}

return $tag_start
}

# recursivly flatten all data without tags or attributes
proc ::rss-synd::xml_list_flatten {xml_list {level 0}} {
set xml_string ""

foreach e_list $xml_list {
if {[catch {array set e_array $e_list}] != 0} {
return $xml_list
}

if {[info exists e_array(children)]} {
append xml_string [[namespace current]::xml_list_flatten $e_array(children) [expr { $level + 1 }]]
} elseif {[info exists e_array(data)]} {
append xml_string $e_array(data)
}

array unset e_array "*"
}

return $xml_string
}

# returns information on a data structure when given a path.
#  paths can be specified using: [struct number] [struct name] <...>
proc ::rss-synd::xml_get_info {xml_list path {element "data"}} {
set i 0

foreach {t_data} $xml_list {
array set t_array $t_data

# if the name doesnt exist set it so we can still reference the data
#  using the 'stuct name' *
if {![info exists t_array(name)]} {
set t_array(name) ""
}

if {[string match -nocase [lindex $path 1] $t_array(name)]} {

if {$i == [lindex $path 0]} {
set result ""

if {([llength $path] == 2) && \
   ([info exists t_array($element)])} {
set result $t_array($element)
} elseif {[info exists t_array(children)]} {
# shift the first path reference of the front of the path and recurse
set result [[namespace current]::xml_get_info $t_array(children) [lreplace $path 0 1] $element]
}

return $result
}

incr i
}

array unset t_array
}

if {[lindex $path 0] == -1} {
return $i
}
}

# converts 'args' into a list in the same order
proc ::rss-synd::xml_join_tags {args} {
set list [list]

foreach tag $args {
foreach item $tag {
if {[string length $item] > 0} {
lappend list $item
}
}
}

return $list
}

#
# Output Feed Functions
##

proc ::rss-synd::feed_output {feedlist data {odata ""}} {
array set feed $feedlist
set msgs [list]

set path [[namespace current]::xml_join_tags $feed(tag-feed) $feed(tag-list) -1 $feed(tag-name)]
set count [[namespace current]::xml_get_info $data $path]

for {set i 0} {($i < $count) && ($i < $feed(announce-output))} {incr i} {
set tmpp [[namespace current]::xml_join_tags $feed(tag-feed) $feed(tag-list) $i $feed(tag-name)]
set tmpd [[namespace current]::xml_get_info $data $tmpp "children"]

if {[[namespace current]::feed_compare $feedlist $odata $tmpd]} {
break
}

set tmp_msg [[namespace current]::cookie_parse $feedlist $data $i]
if {(![info exists feed(output-order)]) || \
   ($feed(output-order) == 0)} {
set msgs [linsert $msgs 0 $tmp_msg]
} else {
lappend msgs $tmp_msg
}
}

foreach msg $msgs {
# chan is a nick if run from a private trigger
foreach chan $feed(channels) {
if {([catch {botonchan $chan}] == 0) || ([[namespace current]::is_chan $chan] == 0)} {
foreach line [split $msg "\n"] {
if {($feed(type) == 1) || ($feed(type) == 3)} {
putserv "NOTICE $chan :$line"
} else {
putserv "PRIVMSG $chan :$line"
}
}
}
}
}
}

proc ::rss-synd::feed_compare {feedlist odata data} {
if {[string compare $odata ""] == 0} {
return 0
}

array set feed $feedlist
array set ofeed [[namespace current]::feed_info [list] $odata]

if {[array size ofeed] == 0} {
putlog "\002RSS Error\002: Invalid feed format ($feed(database))!"
return 0
}

if {[string compare -nocase [lindex $feed(tag-feed) 1] "feed"] == 0} {
set cmp_items [list {0 "pubDate"} "children" "" 3 {0 "guid"} "children" "" 2 {0 "link"} "children" "" 1 {0 "title"} "children" "" 1 {0 "description"} "children" "" 0]
} else {
set cmp_items [list {0 "pubDate"} "children" "" 3 {0 "guid"} "children" "" 2 {0 "link"} "children" "" 1 {0 "title"} "children" "" 1 {0 "description"} "children" "" 0]
}

set path [[namespace current]::xml_join_tags $ofeed(tag-feed) $ofeed(tag-list) -1 $ofeed(tag-name)]
set count [[namespace current]::xml_get_info $odata $path]

for {set i 0} {$i < $count} {incr i} {
# extract the current article from the database
set tmpp [[namespace current]::xml_join_tags $ofeed(tag-feed) $ofeed(tag-list) $i $ofeed(tag-name)]
set tmpd [[namespace current]::xml_get_info $odata $tmpp "children"]

set e 0; # compare items that existed in the feed
set m 0; # total matches
foreach {cmp_path cmp_element cmp_attrib cmp_weight} $cmp_items {
# try and extract the tag info from the database
set oresult [[namespace current]::xml_get_info $tmpd $cmp_path $cmp_element]
if {[string compare -nocase $cmp_element "attrib"] == 0} {
array set tmp $oresult
catch {set oresult $tmp($cmp_attrib)}
unset tmp
}

# the tag doesnt exist in this feed so we'll ignore it
if {[string compare $oresult ""] == 0} {
continue
}

incr e

# extract the tag info from the current article
set result [[namespace current]::xml_get_info $data $cmp_path $cmp_element]
if {[string compare -nocase $cmp_element "attrib"] == 0} {
array set tmp $result
catch {set result $tmp($cmp_attrib)}
unset tmp
}

if {[string compare -nocase $oresult $result] == 0} {
set m [expr { $m + $cmp_weight} ]
}
}

# announce if we have over 66% certainty that this is new
if {[expr { round(double($m) / double($e) * 100) }] >= 66} {
return 1
}
}

return 0
}

#
# Cookie Parsing Functions
##

proc ::rss-synd::cookie_parse {feedlist data current} {
array set feed $feedlist
set output $feed(output)

set eval 0
if {([info exists feed(evaluate-tcl)]) && ($feed(evaluate-tcl) == 1)} { set eval 1 }

set matches [regexp -inline -nocase -all -- {@@(.*?)@@} $output]
foreach {match tmpc} $matches {
set tmpc [split $tmpc "!"]
set index 0

set cookie [list]
foreach piece $tmpc {
set tmpp [regexp -nocase -inline -all -- {^(.*?)\((.*?)\)|(.*?)$} $piece]

if {[lindex $tmpp 3] == ""} {
lappend cookie [lindex $tmpp 2] [lindex $tmpp 1]
} else {
lappend cookie 0 [lindex $tmpp 3]
}
}

# replace tag-item's index with the current article
if {[string compare -nocase $feed(tag-name) [lindex $cookie 1]] == 0} {
set cookie [[namespace current]::xml_join_tags $feed(tag-list) [lreplace $cookie $index $index $current]]
}

set cookie [[namespace current]::xml_join_tags $feed(tag-feed) $cookie]

if {[set tmp [[namespace current]::charset_encode $feedlist [[namespace current]::cookie_replace $cookie $data]]] != ""} {
set tmp [[namespace current]::xml_list_flatten $tmp]

regsub -nocase -- "$match" $output "[string map { "&" "\\\x26" } [[namespace current]::html_decode $eval $tmp]]" output
}
}

# remove empty cookies
if {(![info exists feed(remove-empty)]) || ($feed(remove-empty) == 1)} {
regsub -nocase -all -- "@@.*?@@" $output "" output
}

# evaluate tcl code
if {$eval == 1} {
if {[catch {set output [subst $output]} error] != 0} {
putlog "\002RSS Eval Error\002: $error"
}
}

return $output
}

proc ::rss-synd::cookie_replace {cookie data} {
set element "children"

set tags [list]
foreach {num section} $cookie {
if {[string compare "=" [string range $section 0 0]] == 0} {
set attrib [string range $section 1 end]
set element "attrib"
break
} else {
lappend tags $num $section
}
}

set return [[namespace current]::xml_get_info $data $tags $element]

if {[string compare -nocase "attrib" $element] == 0} {
array set tmp $return

if {[catch {set return $tmp($attrib)}] != 0} {
return
}
}

return $return
}

#
# Misc Functions
##

proc ::rss-synd::html_decode {eval data {loop 0}} {
array set chars {
nbsp \x20 amp \x26 quot \x22 lt \x3C
gt \x3E iexcl \xA1 cent \xA2 pound \xA3
curren \xA4 yen \xA5 brvbar \xA6 brkbar \xA6
sect \xA7 uml \xA8 die \xA8 copy \xA9
ordf \xAA laquo \xAB not \xAC shy \xAD
reg \xAE hibar \xAF macr \xAF deg \xB0
plusmn \xB1 sup2 \xB2 sup3 \xB3 acute \xB4
micro \xB5 para \xB6 middot \xB7 cedil \xB8
sup1 \xB9 ordm \xBA raquo \xBB frac14 \xBC
frac12 \xBD frac34 \xBE iquest \xBF Agrave \xC0
Aacute \xC1 Acirc \xC2 Atilde \xC3 Auml \xC4
Aring \xC5 AElig \xC6 Ccedil \xC7 Egrave \xC8
Eacute \xC9 Ecirc \xCA Euml \xCB Igrave \xCC
Iacute \xCD Icirc \xCE Iuml \xCF ETH \xD0
Dstrok \xD0 Ntilde \xD1 Ograve \xD2 Oacute \xD3
Ocirc \xD4 Otilde \xD5 Ouml \xD6 times \xD7
Oslash \xD8 Ugrave \xD9 Uacute \xDA Ucirc \xDB
Uuml \xDC Yacute \xDD THORN \xDE szlig \xDF
agrave \xE0 aacute \xE1 acirc \xE2 atilde \xE3
auml \xE4 aring \xE5 aelig \xE6 ccedil \xE7
egrave \xE8 eacute \xE9 ecirc \xEA euml \xEB
igrave \xEC iacute \xED icirc \xEE iuml \xEF
eth \xF0 ntilde \xF1 ograve \xF2 oacute \xF3
ocirc \xF4 otilde \xF5 ouml \xF6 divide \xF7
oslash \xF8 ugrave \xF9 uacute \xFA ucirc \xFB
uuml \xFC yacute \xFD thorn \xFE yuml \xFF
ensp \x20 emsp \x20 thinsp \x20 zwnj \x20
zwj \x20 lrm \x20 rlm \x20 euro \x80
sbquo \x82 bdquo \x84 hellip \x85 dagger \x86
Dagger \x87 circ \x88 permil \x89 Scaron \x8A
lsaquo \x8B OElig \x8C oelig \x8D lsquo \x91
rsquo \x92 ldquo \x93 rdquo \x94 ndash \x96
mdash \x97 tilde \x98 scaron \x9A rsaquo \x9B
Yuml \x9F apos \x27
}

regsub -all -- {<(.[^>]*)>} $data " " data

if {$eval != 1} {
regsub -all -- {([\"\$\[\]\{\}\(\)\\])} $data {\\\1} data
} else {
regsub -all -- {([\"\$\[\]\{\}\(\)\\])} $data {\\\\\\\1} data
}

regsub -all -- {&#([0-9][0-9]?[0-9]?);?} $data {[format %c [scan \1 %d]]} data
regsub -all -- {&([0-9a-zA-Z#]*);} $data {[if {[catch {set tmp $chars(\1)} char] == 0} { set tmp }]} data
regsub -all -nocase -- {&([0-9a-zA-Z#]*);} $data {[if {[catch {set tmp [string tolower $chars(\1)]} char] == 0} { set tmp }]} data

regsub -nocase -all -- "\\s{2,}" $data " " data

set data [subst $data]
if {[incr loop] == 1} {
set data [[namespace current]::html_decode 0 $data $loop]
}

return $data
}

proc ::rss-synd::charset_encode {feedlist string} {
array set feed $feedlist

if {[info exists feed(charset)]} {
set string [encoding convertto [string tolower $feed(charset)] $string]
}

return $string
}

proc ::rss-synd::check_channel {chanlist chan} {
foreach match [split $chanlist] {
if {[string compare -nocase $match $chan] == 0} {
return 1
}
}

return 0
}

proc ::rss-synd::is_chan {chan} {
if {([string index $chan 0] == "#") || ([string index $chan 0] == "&")} {
return 1
}

return 0
}

proc ::rss-synd::urldecode {str} {
regsub -all -- {([\"\$\[\]\{\}\(\)\\])} $str {\\\1} str

regsub -all -- {%([aAbBcCdDeEfF0-9][aAbBcCdDeEfF0-9]);?} $str {[format %c [scan \1 %x]]} str

return [subst $str]
}

::rss-synd::init






Posted by eggoez at 9:48 AM
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