private void update_iterator()
{
switch (_axis)
{
case Type.PARENT:
_iterator = new ParentAxis();
break;
case Type.ANCESTOR:
_iterator = new AncestorAxis();
break;
case Type.PRECEDING_SIBLING:
_iterator = new PrecedingSiblingAxis();
break;
case Type.PRECEDING:
_iterator = new PrecedingAxis();
break;
case Type.ANCESTOR_OR_SELF:
_iterator = new AncestorOrSelfAxis();
break;
case Type.DOTDOT:
_iterator = null;
break;
default:
Debug.Assert(false);
break;
}
}
private static void InitializeListItemRetrieverForStory(XDocument numXDoc, XDocument stylesXDoc, XElement rootNode)
{
var paragraphs = rootNode
.DescendantsTrimmed(W.txbxContent)
.Where(p => p.Name == W.p);
foreach (var paragraph in paragraphs)
{
InitListItemInfo(numXDoc, stylesXDoc, paragraph);
}
var abstractNumIds = paragraphs
.Select(paragraph =>
{
ListItemInfo listItemInfo = paragraph.Annotation <ListItemInfo>();
if (!listItemInfo.IsListItem)
{
return((int?)null);
}
return(listItemInfo.AbstractNumId);
})
.Where(a => a != null)
.Distinct()
.ToList();
// when debugging, it is sometimes useful to cause processing of a specific abstractNumId first.
// the following code enables this.
//int? abstractIdToProcessFirst = null;
//if (abstractIdToProcessFirst != null)
//{
// abstractNumIds = (new[] { abstractIdToProcessFirst })
// .Concat(abstractNumIds.Where(ani => ani != abstractIdToProcessFirst))
// .ToList();
//}
foreach (var abstractNumId in abstractNumIds)
{
var listItems = paragraphs
.Where(paragraph =>
{
var listItemInfo = paragraph.Annotation <ListItemInfo>();
if (!listItemInfo.IsListItem)
{
return(false);
}
return(listItemInfo.AbstractNumId == abstractNumId);
})
.ToList();
// annotate paragraphs with previous paragraphs so that we can look backwards with good perf
XElement prevParagraph = null;
foreach (var paragraph in listItems)
{
ReverseAxis reverse = new ReverseAxis()
{
PreviousParagraph = prevParagraph,
};
paragraph.AddAnnotation(reverse);
prevParagraph = paragraph;
}
var startOverrideAlreadyUsed = new List <int>();
List <int> previous = null;
ListItemInfo[] listItemInfoInEffectForStartOverride = new ListItemInfo[] {
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
};
foreach (var paragraph in listItems)
{
var listItemInfo = paragraph.Annotation <ListItemInfo>();
var ilvl = GetParagraphLevel(paragraph);
listItemInfoInEffectForStartOverride[ilvl] = listItemInfo;
ListItemInfo listItemInfoInEffect = null;
if (ilvl > 0)
{
listItemInfoInEffect = listItemInfoInEffectForStartOverride[ilvl - 1];
}
var levelNumbers = new List <int>();
for (int level = 0; level <= ilvl; level++)
{
var numId = listItemInfo.NumId;
var startOverride = listItemInfo.StartOverride(level);
int?inEffectStartOverride = null;
if (listItemInfoInEffect != null)
{
inEffectStartOverride = listItemInfoInEffect.StartOverride(level);
}
if (level == ilvl)
{
var lvl = listItemInfo.Lvl(ilvl);
var lvlRestart = (int?)lvl.Elements(W.lvlRestart).Attributes(W.val).FirstOrDefault();
if (lvlRestart != null)
{
var previousPara = PreviousParagraphsForLvlRestart(paragraph, (int)lvlRestart)
.FirstOrDefault(p =>
{
var plvl = GetParagraphLevel(p);
return(plvl == ilvl);
});
if (previousPara != null)
{
previous = previousPara.Annotation <LevelNumbers>().LevelNumbersArray.ToList();
}
}
}
if (previous == null ||
level >= previous.Count() ||
(level == ilvl && startOverride != null && !startOverrideAlreadyUsed.Contains(numId)))
{
if (previous == null || level >= previous.Count())
{
var start = listItemInfo.Start(level);
// only look at startOverride if the level that we're examining is same as the paragraph's level.
if (level == ilvl)
{
if (startOverride != null && !startOverrideAlreadyUsed.Contains(numId))
{
startOverrideAlreadyUsed.Add(numId);
start = (int)startOverride;
}
else
{
if (startOverride != null)
{
start = (int)startOverride;
}
if (inEffectStartOverride != null && inEffectStartOverride > start)
{
start = (int)inEffectStartOverride;
}
}
}
levelNumbers.Add(start);
}
else
{
var start = listItemInfo.Start(level);
// only look at startOverride if the level that we're examining is same as the paragraph's level.
if (level == ilvl)
{
if (startOverride != null)
{
if (!startOverrideAlreadyUsed.Contains(numId))
{
startOverrideAlreadyUsed.Add(numId);
start = (int)startOverride;
}
}
}
levelNumbers.Add(start);
}
}
else
{
int?thisNumber = null;
if (level == ilvl)
{
if (startOverride != null)
{
if (!startOverrideAlreadyUsed.Contains(numId))
{
startOverrideAlreadyUsed.Add(numId);
thisNumber = (int)startOverride;
}
thisNumber = previous.ElementAt(level) + 1;
}
else
{
thisNumber = previous.ElementAt(level) + 1;
}
}
else
{
thisNumber = previous.ElementAt(level);
}
levelNumbers.Add((int)thisNumber);
}
}
var levelNumbersAnno = new LevelNumbers()
{
LevelNumbersArray = levelNumbers.ToArray()
};
paragraph.AddAnnotation(levelNumbersAnno);
previous = levelNumbers;
}
}
}
private static void InitializeListItemRetrieverForStory(XDocument numXDoc, XDocument stylesXDoc, XElement rootNode)
{
var paragraphs = rootNode
.DescendantsTrimmed(W.txbxContent)
.Where(p => p.Name == W.p);
foreach (var paragraph in paragraphs)
InitListItemInfo(numXDoc, stylesXDoc, paragraph);
var abstractNumIds = paragraphs
.Select(paragraph =>
{
ListItemInfo listItemInfo = paragraph.Annotation<ListItemInfo>();
if (!listItemInfo.IsListItem)
return (int?)null;
return listItemInfo.AbstractNumId;
})
.Where(a => a != null)
.Distinct()
.ToList();
// when debugging, it is sometimes useful to cause processing of a specific abstractNumId first.
// the following code enables this.
//int? abstractIdToProcessFirst = null;
//if (abstractIdToProcessFirst != null)
//{
// abstractNumIds = (new[] { abstractIdToProcessFirst })
// .Concat(abstractNumIds.Where(ani => ani != abstractIdToProcessFirst))
// .ToList();
//}
foreach (var abstractNumId in abstractNumIds)
{
var listItems = paragraphs
.Where(paragraph =>
{
var listItemInfo = paragraph.Annotation<ListItemInfo>();
if (!listItemInfo.IsListItem)
return false;
return listItemInfo.AbstractNumId == abstractNumId;
})
.ToList();
// annotate paragraphs with previous paragraphs so that we can look backwards with good perf
XElement prevParagraph = null;
foreach (var paragraph in listItems)
{
ReverseAxis reverse = new ReverseAxis()
{
PreviousParagraph = prevParagraph,
};
paragraph.AddAnnotation(reverse);
prevParagraph = paragraph;
}
var startOverrideAlreadyUsed = new List<int>();
List<int> previous = null;
ListItemInfo[] listItemInfoInEffectForStartOverride = new ListItemInfo[] {
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
};
foreach (var paragraph in listItems)
{
var listItemInfo = paragraph.Annotation<ListItemInfo>();
var ilvl = GetParagraphLevel(paragraph);
listItemInfoInEffectForStartOverride[ilvl] = listItemInfo;
ListItemInfo listItemInfoInEffect = null;
if (ilvl > 0)
listItemInfoInEffect = listItemInfoInEffectForStartOverride[ilvl - 1];
var levelNumbers = new List<int>();
for (int level = 0; level <= ilvl; level++)
{
var numId = listItemInfo.NumId;
var startOverride = listItemInfo.StartOverride(level);
int? inEffectStartOverride = null;
if (listItemInfoInEffect != null)
inEffectStartOverride = listItemInfoInEffect.StartOverride(level);
if (level == ilvl)
{
var lvl = listItemInfo.Lvl(ilvl);
var lvlRestart = (int?)lvl.Elements(W.lvlRestart).Attributes(W.val).FirstOrDefault();
if (lvlRestart != null)
{
var previousPara = PreviousParagraphsForLvlRestart(paragraph, (int)lvlRestart)
.FirstOrDefault(p =>
{
var plvl = GetParagraphLevel(p);
return plvl == ilvl;
});
if (previousPara != null)
previous = previousPara.Annotation<LevelNumbers>().LevelNumbersArray.ToList();
}
}
if (previous == null ||
level >= previous.Count() ||
(level == ilvl && startOverride != null && !startOverrideAlreadyUsed.Contains(numId)))
{
if (previous == null || level >= previous.Count())
{
var start = listItemInfo.Start(level);
// only look at startOverride if the level that we're examining is same as the paragraph's level.
if (level == ilvl)
{
if (startOverride != null && !startOverrideAlreadyUsed.Contains(numId))
{
startOverrideAlreadyUsed.Add(numId);
start = (int)startOverride;
}
else
{
if (startOverride != null)
start = (int)startOverride;
if (inEffectStartOverride != null && inEffectStartOverride > start)
start = (int)inEffectStartOverride;
}
}
levelNumbers.Add(start);
}
else
{
var start = listItemInfo.Start(level);
// only look at startOverride if the level that we're examining is same as the paragraph's level.
if (level == ilvl)
{
if (startOverride != null)
{
if (!startOverrideAlreadyUsed.Contains(numId))
{
startOverrideAlreadyUsed.Add(numId);
start = (int)startOverride;
}
}
}
levelNumbers.Add(start);
}
}
else
{
int? thisNumber = null;
if (level == ilvl)
{
if (startOverride != null)
{
if (!startOverrideAlreadyUsed.Contains(numId))
{
startOverrideAlreadyUsed.Add(numId);
thisNumber = (int)startOverride;
}
thisNumber = previous.ElementAt(level) + 1;
}
else
{
thisNumber = previous.ElementAt(level) + 1;
}
}
else
{
thisNumber = previous.ElementAt(level);
}
levelNumbers.Add((int)thisNumber);
}
}
var levelNumbersAnno = new LevelNumbers()
{
LevelNumbersArray = levelNumbers.ToArray()
};
paragraph.AddAnnotation(levelNumbersAnno);
previous = levelNumbers;
}
}
}
