/usr/lib/Tclxml3.3/xmldep.tcl is in tclxml 3.3~svn11-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 | # xmldep.tcl --
#
# Find the dependencies in an XML document.
# Supports external entities and XSL include/import.
#
# TODO:
# XInclude
#
# Copyright (c) 2001-2003 Zveno Pty Ltd
# http://www.zveno.com/
#
# See the file "LICENSE" in this distribution for information on usage and
# redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# $Id: xmldep.tcl,v 1.3 2003/12/09 04:43:15 balls Exp $
package require xml
package provide xml::dep 1.0
namespace eval xml::dep {
namespace export depend
variable extEntities
array set extEntities {}
variable XSLTNS http://www.w3.org/1999/XSL/Transform
}
# xml::dep::depend --
#
# Find the resources which an XML document
# depends on. The document is parsed
# sequentially, rather than using DOM, for efficiency.
#
# TODO:
# Asynchronous parsing.
#
# Arguments:
# xml XML document entity
# args configuration options
#
# Results:
# Returns list of resource (system) identifiers
proc xml::dep::depend {xml args} {
variable resources
variable entities
set resources {}
catch {unset entities}
array set entities {}
set p [xml::parser \
-elementstartcommand [namespace code ElStart] \
-doctypecommand [namespace code DocTypeDecl] \
-entitydeclcommand [namespace code EntityDecl] \
-entityreferencecommand [namespace code EntityReference] \
-validate 1 \
]
if {[llength $args]} {
eval [list $p] configure $args
}
$p parse $xml
return $resources
}
# xml::dep::ElStart --
#
# Process start element
#
# Arguments:
# name tag name
# atlist attribute list
# args options
#
# Results:
# May add to resources list
proc xml::dep::ElStart {name atlist args} {
variable XSLTNS
variable resources
array set opts {
-namespace {}
}
array set opts $args
switch -- $opts(-namespace) \
$XSLTNS {
switch $name {
import -
include {
array set attr {
href {}
}
array set attr $atlist
if {[string length $attr(href)]} {
if {[lsearch $resources $attr(href)] < 0} {
lappend resources $attr(href)
}
}
}
}
}
}
# xml::dep::DocTypeDecl --
#
# Process Document Type Declaration
#
# Arguments:
# name Document element
# pubid Public identifier
# sysid System identifier
# dtd Internal DTD Subset
#
# Results:
# Resource added to list
proc xml::dep::DocTypeDecl {name pubid sysid dtd} {
variable resources
puts stderr [list DocTypeDecl $name $pubid $sysid dtd]
if {[string length $sysid] && \
[lsearch $resources $sysid] < 0} {
lappend resources $sysid
}
return {}
}
# xml::dep::EntityDecl --
#
# Process entity declaration, looking for external entity
#
# Arguments:
# name entity name
# sysid system identifier
# pubid public identifier or repl. text
#
# Results:
# Store external entity info for later reference
proc xml::dep::EntityDecl {name sysid pubid} {
variable extEntities
puts stderr [list EntityDecl $name $sysid $pubid]
set extEntities($name) $sysid
}
# xml::dep::EntityReference --
#
# Process entity reference
#
# Arguments:
# name entity name
#
# Results:
# May add to resources list
proc xml::dep::EntityReference name {
variable extEntities
variable resources
puts stderr [list EntityReference $name]
if {[info exists extEntities($name)] && \
[lsearch $resources $extEntities($name)] < 0} {
lappend resources $extEntities($name)
}
}
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