# =========================================================
#                                                          
# (c) 2004, RenderX                                        
#                                                          
# Author: Alexander Peshkov <peshkov@renderx.com>          
#                                                          
# Permission is granted to use this document, copy and     
# modify free of charge, provided that every derived work  
# bear a reference to the present document.                
#                                                          
# This document contains a computer program written in     
# XSL Transformations Language. It is published with no    
# warranty of any kind about its usability, as a mere      
# example of XSL technology. RenderX shall not be          
# considered liable for any damage or loss of data caused  
# by use of this program.                                  
#                                                          
# =========================================================

namespace local = ""
default namespace fo = "http://www.w3.org/1999/XSL/Format"
namespace rx = "http://www.renderx.com/XSL/Extensions"

include "basic_properties.rnc"

# ===============================================================  
# Properties grouping. Groups used by different elements classes
# ===============================================================


# ===============================================================
# Entity definitions for common groups of properties
# This grouping reflects properties co occurrence, rather than
# property semantics. It does not correspond to grouping in the
# spec.
# ===============================================================

# Accessibility Properties
accessibility-properties =
  source-document.attr?,
  role.attr?
#MEMO: XSLFO is selfcontradictory:
# Those properties allowed on all inline elements excep to for fo:character, fo:bidi-override and fo:inline-conteiner
# At the same time spec says about those properties:
# XSL> It is used by all formatting objects that can be contained in fo:flow or fo:static-content (all formatting
# XSL> objects that can be directly created from an XML source element).
# Thus they must be present on fo:character, fo:bidi-override, fo:inline-conteiner as well
# (there are more elements missing these properties)
# Note also, that comment in the round brackets seems to be meaningless.

# Relative Position Properties
# 'position' shorthand property also makes part of this group
relative-position-properties =
  relative-position.attr?,
  relative-position-shorthand.attr? 

# Absolute Position Properties
absolute-position-properties =
  absolute-position.attr,
  absolute-position-shorthand.attr?,
  top.attr?,
  right.attr?,
  bottom.attr?,
  left.attr?
  
# Aural Properties
# 'cue' and 'pause' shorthand properties are also included
#MEMO: XSLFO is selfcontradictory here in the same way
# it is for  Accessibility Properties - Aural properties allowed everywhere
# but yet not specified on some elements, e.g. fo:block-container or fo:inline-container.
# We believe this is an omission and therefor those properties are available  everywhere.
aural-properties-inheritable =
  azimuth.attr?,
  elevation.attr?,
  pitch.attr?,
  pitch-range.attr?,
  play-during.attr?,
  richness.attr?,
  speak.attr?,
  speak-header.attr?,
  speak-numeral.attr?,
  speak-punctuation.attr?,
  speech-rate.attr?,
  stress.attr?,
  voice-family.attr?,
  volume.attr?
aural-properties-unheritable =
  cue.attr?,
  cue-after.attr?,
  cue-before.attr?,
  pause.attr?,
  pause-after.attr?,
  pause-before.attr?
aural-properties = aural-properties-inheritable, aural-properties-unheritable

# Common Border, Padding, and Background Properties
# Related shorthand properties are also included
border-properties = 
  border.attr?,
  border-after-color.attr?,
  border-after-style.attr?,
  border-after-width.attr?,
  border-after-width.length.attr?,
  border-after-width.conditionality.attr?,
  border-before-color.attr?,
  border-before-style.attr?,
  border-before-width.attr?,
  border-before-width.length.attr?,
  border-before-width.conditionality.attr?,
  border-bottom.attr?,
  border-bottom-color.attr?,
  border-bottom-style.attr?,
  border-bottom-width.attr?,
  border-bottom-width.length.attr?,
  border-bottom-width.conditionality.attr?,
  border-color.attr?,
  border-end-color.attr?,
  border-end-style.attr?,
  border-end-width.attr?,
  border-end-width.length.attr?,
  border-end-width.conditionality.attr?,
  border-left.attr?,
  border-left-color.attr?,
  border-left-style.attr?,
  border-left-width.attr?,
  border-left-width.length.attr?,
  border-left-width.conditionality.attr?,
  border-right.attr?,
  border-right-color.attr?,
  border-right-style.attr?,
  border-right-width.attr?,
  border-right-width.length.attr?,
  border-right-width.conditionality.attr?,
  border-start-color.attr?,
  border-start-style.attr?,
  border-start-width.attr?,
  border-start-width.length.attr?,
  border-start-width.conditionality.attr?,
  border-style.attr?,
  border-top.attr?,
  border-top-color.attr?,
  border-top-style.attr?,
  border-top-width.attr?,
  border-top-width.length.attr?,
  border-top-width.conditionality.attr?,
  border-width.attr?

padding-properties = 
  padding.attr?,
  padding-after.attr?,
  padding-after.length.attr?,
  padding-after.conditionality.attr?,
  padding-before.attr?,
  padding-before.length.attr?,
  padding-before.conditionality.attr?,
  padding-bottom.attr?,
  padding-bottom.length.attr?,
  padding-bottom.conditionality.attr?,
  padding-end.attr?,
  padding-end.length.attr?,
  padding-end.conditionality.attr?,
  padding-left.attr?,
  padding-left.length.attr?,
  padding-left.conditionality.attr?,
  padding-right.attr?,
  padding-right.length.attr?,
  padding-right.conditionality.attr?,
  padding-start.attr?,
  padding-start.length.attr?,
  padding-start.conditionality.attr?,
  padding-top.attr?,
  padding-top.length.attr?,
  padding-top.conditionality.attr?

background-properties =
  background.attr?,
  background-attachment.attr?,
  background-color.attr?,
  background-image.attr?,
  background-position.attr?,
  background-position-vertical.attr?,
  background-position-horizontal.attr?,
  background-repeat.attr?,
  rx-background-content-type.attr?,
  rx-background-content-height.attr?,
  rx-background-content-width.attr?,
  rx-background-scaling.attr?

border-padding-background-properties = 
  border-properties,
  padding-properties,
  background-properties

# Border Precedence Properties for tables
border-precedence-properties =
  border-after-precedence.attr?,
  border-before-precedence.attr?,
  border-end-precedence.attr?,
  border-start-precedence.attr?

# Box Size Properties
height-properties =
  height.attr?,
  min-height.attr?,
  max-height.attr?,
  block-progression-dimension.attr?,
  block-progression-dimension.minimum.attr?,
  block-progression-dimension.optimum.attr?,
  block-progression-dimension.maximum.attr?

width-properties =
  width.attr?,
  min-width.attr?,
  max-width.attr?,
  inline-progression-dimension.attr?,
  inline-progression-dimension.minimum.attr?,
  inline-progression-dimension.optimum.attr?,
  inline-progression-dimension.maximum.attr?

box-size-properties =
  height-properties,
  width-properties

# Common Area Properties
area-properties-inheritable =
  display-align.attr?,
  reference-orientation.attr?,
  writing-mode.attr?
area-properties-unheritable =
  clip.attr?,
  overflow.attr?
area-properties = area-properties-inheritable, area-properties-unheritable

# Common Font Properties
# 'font' shorthand property is also included
font-properties =
  font.attr?,
  font-selection-strategy.attr?,
  font-family.attr?,
  font-size.attr?,
  font-size-adjust.attr?,
  font-stretch.attr?,
  font-style.attr?,
  font-variant.attr?,
  font-weight.attr?

# Common Hyphenation Properties - Inline
# 'xml:lang' shorthand property is also included
hyphenation-properties-inline =
  country.attr?,
  language.attr?,
  script.attr?,
  attribute xml:lang { text }?,
  hyphenate.attr?,
  hyphenation-character.attr?,
  hyphenation-push-character-count.attr?,
  hyphenation-remain-character-count.attr?
# Common Hyphenation Properties - Block
hyphenation-properties-block =
  hyphenation-keep.attr?,
  hyphenation-ladder-count.attr?
hyphenation-properties = hyphenation-properties-inline, hyphenation-properties-block

# Common CSS Margin Properties
# 'margin' shorthand property is also included
margin-properties-CSS =
  margin.attr?,
  margin-bottom.attr?,
  margin-left.attr?,
  margin-right.attr?,
  margin-top.attr?

# Common Margin Properties - Block
margin-properties-inheritable = 
  start-indent.attr?,
  end-indent.attr?

margin-properties-block =
  margin-properties-CSS,
  space-after.attr?,
  space-after.minimum.attr?,
  space-after.optimum.attr?,
  space-after.maximum.attr?,
  space-after.precedence.attr?,
  space-after.conditionality.attr?,
  space-before.attr?,
  space-before.minimum.attr?,
  space-before.optimum.attr?,
  space-before.maximum.attr?,
  space-before.precedence.attr?,
  space-before.conditionality.attr?

# Common Margin Properties - Inline
margin-properties-inline =
  margin-properties-CSS,
  space-start.attr?,
  space-start.minimum.attr?,
  space-start.optimum.attr?,
  space-start.maximum.attr?,
  space-start.precedence.attr?,
  space-start.conditionality.attr?,
  space-end.attr?,
  space-end.minimum.attr?,
  space-end.optimum.attr?,
  space-end.maximum.attr?,
  space-end.precedence.attr?,
  space-end.conditionality.attr?

# Area Alignment Properties
# 'vertical-align' shorthand is added
# 'relative-align' - excluded
area-alignment-properties =
  alignment-adjust.attr?,
  alignment-baseline.attr?,
  baseline-shift.attr?,
  dominant-baseline.attr?,
  vertical-align.attr?

# Line Height Properties
line-height-properties =
  line-height.attr?,
  line-height.minimum.attr?,
  line-height.optimum.attr?,
  line-height.maximum.attr?,
  line-height.precedence.attr?,
  line-height.conditionality.attr?,
  line-height-shift-adjustment.attr?

# Line Related Properties
line-related-properties =
  text-align.attr?,
  text-align-last.attr?,
  text-indent.attr?,
  last-line-end-indent.attr?,
  line-stacking-strategy.attr?,
  linefeed-treatment.attr?,
  white-space.attr?,
  white-space-treatment.attr?,
  white-space-collapse.attr?,
  wrap-option.attr?,
  direction.attr?

# Character Properties
character-properties-inheritable =
  letter-spacing.attr?,
  letter-spacing.minimum.attr?,
  letter-spacing.optimum.attr?,
  letter-spacing.maximum.attr?,
  letter-spacing.precedence.attr?,
  letter-spacing.conditionality.attr?,
  word-spacing.attr?,
  word-spacing.minimum.attr?,
  word-spacing.optimum.attr?,
  word-spacing.maximum.attr?,
  word-spacing.precedence.attr?,
  word-spacing.conditionality.attr?,
  glyph-orientation-horizontal.attr?,
  glyph-orientation-vertical.attr?,
  score-spaces.attr?,
  text-transform.attr?
character-properties-unheritable=
#MEMO: There is a problem with these two properties in XSL FO spec.
# They are assumed to be allowed everywhere but somehow on of them
# missing on fo:inline, another on fo:leader and both absent on fo:bidi-override.
# They are not present on fo:block also.
# We suppose that those omissions are erratic. and allow them on all elements that can cotain text.
# It makes sence to allow text-decoration on the graphical inlines also.
  text-decoration.attr?,
  text-shadow.attr?
  #NOTE: Those properties apllies to char elements but they are already included into 'inheritable-properties' set
  #font-properties,
  #line-height-properties
character-properties = character-properties-inheritable, character-properties-unheritable

# Common Keeps and Breaks Properties - Atomic objects
# Keeps only
keeps-properties-atomic =
  keep-with-next.attr?,
  keep-with-next.within-line.attr?,
  keep-with-next.within-column.attr?,
  keep-with-next.within-page.attr?,
  keep-with-previous.attr?,
  keep-with-previous.within-line.attr?,
  keep-with-previous.within-column.attr?,
  keep-with-previous.within-page.attr?

# Common Keeps and Breaks Properties - Atomic objects
# Keeps and Breaks
# 'page-break-*' shorthand properties are also included
keeps-and-breaks-properties-atomic =
  keeps-properties-atomic,
  break-after.attr?,
  break-before.attr?,
  page-break-after.attr?,
  page-break-before.attr?

# Common Keeps and Breaks Properties - Inline
# 'page-break-inside' shorthand property is also included
keeps-and-breaks-properties-inline-inheritable = 
  keep-together.attr?,
  keep-together.within-line.attr?,
  keep-together.within-column.attr?,
  keep-together.within-page.attr?,
  page-break-inside.attr?

#MEMO: Do we really need separate block and inline groups here
  
# Common Keeps and Breaks Properties - Block
keeps-and-breaks-properties-block-inheritable = 
  orphans.attr?,
  widows.attr?
  
# Leader and Rule Properties
leader-properties =
  leader-alignment.attr?,
  leader-pattern.attr?,
  leader-pattern-width.attr?,
  leader-length.attr?,
  leader-length.minimum.attr?,
  leader-length.optimum.attr?,
  leader-length.maximum.attr?,
  rule-style.attr?,
  rule-thickness.attr?

# Table Properties
# 'border-spacing' shorthand property is also included
# 'inherit' property added to table-omit-...er-at-break
table-properties-inheritable =
  border-collapse.attr?,
  border-spacing.attr?,
  border-separation.attr?,
  border-separation.inline-progression-direction.attr?,
  border-separation.block-progression-direction.attr?,
  caption-side.attr?,
  empty-cells.attr?
table-properties-unheritable =
  table-layout.attr?,
  table-omit-header-at-break.attr?,
  table-omit-footer-at-break.attr?,
  rx-table-omit-initial-header.attr?
table-properties = table-properties-inheritable, table-properties-unheritable

# List Properties
list-properties =
  provisional-distance-between-starts.attr?,
  provisional-label-separation.attr?

# Visibility Properties
# NOTE: 'visibility' is inheritable, but 'z-index' is not.
visibility-properties = visibility.attr?,  z-index.attr?

# ===============================================================
# Set of 'explicitly' inheritable properties. This includes attributes
# marked as inheritable in the spec only!
# We define two sets of inheritable properties:
# 1. Basic properties applicable to inline-level elements with character-only content
# 2. Full set of inheritable properties 
# ===============================================================
inheritable-properties-inline = 
  aural-properties-inheritable,
  color.attr?,
  character-properties-inheritable,
  font-properties,
  hyphenation-properties-inline,
  line-height-properties,
  visibility.attr?
  
inheritable-properties-block =
  table-properties-inheritable,
  area-properties-inheritable,
  hyphenation-properties-block,
  margin-properties-inheritable,
  intrusion-displace.attr?, 
  # 'intrusion-displace' applies to: fo:block, fo:block-container, fo:table-and-caption, fo:table, fo:table-caption, fo:list-block, fo:list-item.
  keeps-and-breaks-properties-inline-inheritable,
  keeps-and-breaks-properties-block-inheritable,
  leader-properties,
  #MEMO: Should we move this one to inheritable-properties-inline?
  line-related-properties,
  list-properties,
  relative-align.attr?  #NOTE: Property 'relative-align' applies to fo:list-item and fo:table-cell only.

inheritable-properties = 
  inheritable-properties-inline,
  inheritable-properties-block

# ===============================================================
# Common property subsets.
# ===============================================================
# Common block properties (those properties applies to any type of block-container as well
common-block-properties =
  id.attr?,
  rx-key.attr?,
  accessibility-properties,
  aural-properties-unheritable,
  border-padding-background-properties,
  margin-properties-block,
  inheritable-properties

# Properties for fo:block and fo:block-container
block-properties =
  common-block-properties,
  clear.attr?,
  span.attr?,
  keeps-and-breaks-properties-atomic,
  relative-position-properties

# Common inline properties
#MEMO: Spec says that text-altitude/text-depth applicable only to
# fo:block, fo:character, fo:leader, fo:page-number, fo:page-number-citation
# We believe this is an omission and they must be allowed on all elements
# that can have text children.
common-inline-properties =
  id.attr?,
  rx-key.attr?,
  accessibility-properties,
  aural-properties-unheritable,
  area-alignment-properties,
  border-padding-background-properties,
  character-properties-unheritable,
  keeps-properties-atomic,
  margin-properties-inline,
  relative-position-properties,
  text-altitude.attr?,
  text-depth.attr?,
  inheritable-properties-inline
 
# Properties for nonempty inline elements
inline-properties =
  common-inline-properties,
  inheritable-properties-block
  
# Properties for graphical inline elements
# NOTE: src attribute exclueded since it's not applicable to fo:instream-foreign-object
graphic-properties =
#MEMO: We can replace part of the definition here with 'common-inline-properties' set
# - it will be formaly rightfil since the only difference made by text-shadow,   text-altitude,
#  text-depth  and inheritable-properties-inline and both of them are allowed here.
# At the same time those properties do not make any sense being specified on those
# elements since they will be never applied.
  id.attr?,
  rx-key.attr?,
  accessibility-properties,
  aural-properties,
  area-properties-unheritable,
  border-padding-background-properties,
  margin-properties-inline,
  relative-position-properties,
  area-alignment-properties,
  box-size-properties,  
  keeps-properties-atomic,
  line-height-properties,
  display-align.attr?, 
  content-type.attr?,
  content-height.attr?,
  content-width.attr?,
  scaling.attr?,
  scaling-method.attr?,
  text-align.attr?,
  text-decoration.attr?