/// ------------------------------------------------------------------------------------
/// <summary>
/// Advances the enumerator to the next element of the collection.
/// </summary>
/// <returns>
/// true if the enumerator was successfully advanced to the next element; false if the
/// enumerator has passed the end of the collection.
/// </returns>
/// <exception cref="T:System.InvalidOperationException">The collection was modified
/// after the enumerator was created. </exception>
/// ------------------------------------------------------------------------------------
public bool MoveNext()
{
if (m_currentScrText == null)
{
return(false);
}
while (++m_currentScrText.m_iRun < m_currentScrText.m_paraTss.RunCount)
{
m_internalToken.m_fParagraphStart = (m_currentScrText.m_iRun == 0);
ITsTextProps runProps = m_currentScrText.m_paraTss.get_Properties(m_currentScrText.m_iRun);
string charStyleName = runProps.GetStrPropValue((int)FwTextPropType.ktptNamedStyle);
m_internalToken.m_sText = m_currentScrText.m_paraTss.get_RunText(m_currentScrText.m_iRun);
m_internalToken.m_paraOffset = m_currentScrText.m_paraTss.get_MinOfRun(m_currentScrText.m_iRun);
int var;
int ws = runProps.GetIntPropValues((int)FwTextPropType.ktptWs, out var);
m_internalToken.m_icuLocale = GetLocale(ws);
m_internalToken.Ws = ws;
switch (runProps.GetStrPropValue((int)FwTextPropType.ktptNamedStyle))
{
case ScrStyleNames.VerseNumber:
if (!m_foundStart || string.IsNullOrEmpty(m_internalToken.m_sText))
{
continue;
}
m_internalToken.m_textType = TextType.VerseNumber;
int verse = ScrReference.VerseToIntStart(m_internalToken.m_sText);
if (verse != 0)
{
m_internalToken.m_startRef.Verse = verse;
}
verse = ScrReference.VerseToIntEnd(m_internalToken.m_sText);
if (verse != 0)
{
m_internalToken.m_endRef.Verse = verse;
}
break;
case ScrStyleNames.ChapterNumber:
if (string.IsNullOrEmpty(m_internalToken.m_sText))
{
continue;
}
int chapter = 0;
try
{
chapter = ScrReference.ChapterToInt(m_internalToken.m_sText);
}
catch
{
// Ignore exceptions. We'll flag them later as errors.
}
if (!m_foundStart)
{
if (m_chapterNum != chapter)
{
continue;
}
m_foundStart = true;
}
else if (m_chapterNum > 0 && m_chapterNum != chapter)
{
// Stop if we're only getting tokens for a single chapter (unless
// this is an (erroneous) second occurrence of the same chapter)
return(false);
}
m_internalToken.m_textType = TextType.ChapterNumber;
m_internalToken.m_startRef.Chapter = m_internalToken.m_endRef.Chapter = chapter;
m_internalToken.m_startRef.Verse = m_internalToken.m_endRef.Verse = 1;
break;
default:
{
if (!m_foundStart)
{
continue;
}
// Deal with footnotes and picture captions
Guid guidObj = StringUtils.GetGuidFromRun(m_currentScrText.m_paraTss, m_currentScrText.m_iRun, runProps);
if (guidObj == Guid.Empty)
{
m_internalToken.m_textType = m_currentScrText.DefaultTextType;
}
else if (m_outerText != null)
{
// It was possible through copy/paste to put ORCs into footnotes or pictures, but that is no
// longer allowed. This tokenizing code won't handle the nesting correctly, so just ignore
// the nested ORC. See TE-8609.
continue;
}
else
{
m_fOrcWasStartOfPara = m_internalToken.m_fParagraphStart;
int hvo = m_book.Cache.GetIdFromGuid(guidObj);
if (hvo > 0)
{
switch (m_book.Cache.GetClassOfObject(hvo))
{
case StFootnote.kclsidStFootnote:
m_outerText = m_currentScrText;
// footnotes are StTexts
m_currentScrText = new TokenizableText(new StText(m_book.Cache, hvo), TextType.Note);
return(MoveNext());
case CmPicture.kclsidCmPicture:
{
m_outerText = m_currentScrText;
CmPicture pict = new CmPicture(m_book.Cache, hvo);
m_currentScrText = new TokenizableText(
pict.Caption.VernacularDefaultWritingSystem.UnderlyingTsString,
ScrStyleNames.Figure, TextType.PictureCaption, pict,
(int)CmPicture.CmPictureTags.kflidCaption);
return(MoveNext());
}
}
}
}
}
break;
}
m_internalToken.m_fNoteStart = (m_internalToken.m_textType == TextType.Note &&
m_internalToken.m_fParagraphStart && m_currentScrText.m_iPara == 0);
m_internalToken.m_paraStyleName = m_currentScrText.ParaStyleName;
m_internalToken.m_charStyleName = charStyleName != null ? charStyleName : string.Empty;
m_internalToken.m_object = m_currentScrText.m_obj;
m_internalToken.m_flid = m_currentScrText.m_flid;
// We need the current token to be a copy of our internal token so we don't change the
// internal variables of whatever was returned from the enumerator.
m_currentToken = m_internalToken.Copy();
return(true);
}
// Finished that paragraph and didn't find any more runs; try next para in this text,
// if any.
if (!m_currentScrText.NextParagraph())
{
if (!m_foundStart)
{
Debug.Fail("We should have found the desired chapter wtihin the section we were searching.");
return(false);
}
// Finished that text and didn't find any more paragraphs.
// If we have been processing an inner text (footnote or picture caption), pop back
// out to the "outer" one.
if (m_outerText != null)
{
m_currentScrText = m_outerText;
m_outerText = null;
bool result = MoveNext();
if (result)
{
m_currentToken.m_fParagraphStart |= m_fOrcWasStartOfPara;
m_fOrcWasStartOfPara = false;
}
return(result);
}
// Otherwise, try next text, if any.
if (m_currentScrText.m_text.OwningFlid == (int)ScrBook.ScrBookTags.kflidTitle)
{
// Get first section head text.
CurrentSectionIndex = 0;
}
else if (m_currentScrText.m_text.OwningFlid == (int)ScrSection.ScrSectionTags.kflidHeading)
{
m_currentScrText = new TokenizableText(m_currentSection.ContentOA,
m_currentSection.IsIntro ? TextType.Other : TextType.Verse);
}
else
{
Debug.Assert(m_currentScrText.m_text.OwningFlid == (int)ScrSection.ScrSectionTags.kflidContent);
if (m_iCurrentSection + 1 >= m_book.SectionsOS.Count)
{
return(false);
}
CurrentSectionIndex++;
if (m_chapterNum > 0 && ScrReference.GetChapterFromBcv(m_currentSection.VerseRefStart) != m_chapterNum)
{
return(false);
}
}
}
return(MoveNext());
}
