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# text.tcl --
#
# The wiki export plugin. Generation of plain text, ready for
# use by the Tcler' Wiki
#
# Copyright (c) 2009 Andreas Kupries <andreas_kupries@sourceforge.net>
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: export_wiki.tcl,v 1.3 2009/08/07 18:53:11 andreas_kupries Exp $
# This package is a plugin for the the doctools::idx v2 system. It
# takes the list serialization of a keyword index and produces text in
# text format.
# ### ### ### ######### ######### #########
## Requisites
# @mdgen NODEP: doctools::idx::export::plugin
package require Tcl 8.4
package require doctools::idx::export::plugin ; # Presence of this
# pseudo package
# indicates execution
# inside of a properly
# initialized plugin
# interpreter.
package require doctools::idx::structure ; # Verification that the
# input is proper.
package require doctools::text ; # Text assembly package
doctools::text::import ;# -> ::text
# ### ### ### ######### ######### #########
## API.
proc export {serial configuration} {
# Phase I. Check that we got a canonical index serialization. That
# makes the unpacking easier, as we can mix it with the
# generation of the output, knowing that everything is
# already sorted as it should be.
::doctools::idx::structure verify-as-canonical $serial
# ### ### ### ######### ######### #########
# Configuration ...
# * Standard entries
# - user = person running the application doing the formatting
# - format = name of this format
# - file = name of the file the index came from. Optional.
# - map = maps symbolic references to actual file path. Optional.
# Format specific
# - style = string in { list, table }, list default.
# //possible parameters to influence the output.
# //* symbolic mapping off/on
# Import the configuration and initialize the internal state
array set config {
style list
}
array set config $configuration
array set map {}
if {[info exists config(map)]} {
array set map $config(map)
}
# ### ### ### ######### ######### #########
# Phase II. Generate the output, taking the configuration into
# account.
# Unpack the serialization.
array set idx $serial
array set idx $idx(doctools::idx)
unset idx(doctools::idx)
array set r $idx(references)
# FUTURE :: Create wiki package on top of the text generator,
# providing encapsulated wiki commands.
text::begin
text::+ "**[Header]**"
text::newline 2
switch -exact -- $config(style) {
list {
text::+ <<TOC>>
text::newline 2
# Iterate over the keys and their references
foreach {keyword references} $idx(keywords) {
text::+ "***$keyword***"
text::newline
text::indented 3 {
# Iterate over the references
foreach id $references {
text::+ "* [FormatReference $id]"
text::newline
}
}
if {[llength $references]} {
text::newline
}
}
}
table {
foreach {keyword references} $idx(keywords) {
text::+ "%|'''$keyword'''| |%"
text::newline
foreach id $references {
text::+ "&| | [FormatReference $id] |&"
text::newline
}
}
}
default {
return -code error "bad style \"$style\""
}
}
# Last formatting, joining the lines together.
return [text::done]
}
# ### ### ### ######### ######### #########
proc FormatReference {id} {
upvar 1 r r map map
foreach {type label} $r($id) break
return "\[[Map $type $id]%|%$label\]"
}
proc Header {} {
upvar 1 idx(label) label idx(title) title
if {($label ne {}) && ($title ne {})} {
return "$label -- $title"
} elseif {$label ne {}} {
return $label
} elseif {$title ne {}} {
return $title
}
return -code error {Reached the unreachable}
}
proc Map {type id} {
if {$type eq "url"} { return $id }
upvar 1 map map
if {![info exists map($id)]} { return $id }
return $map($id)
}
# ### ### ### ######### ######### #########
## Ready
package provide doctools::idx::export::wiki 0.2
return
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