Пример #1
0
        /// ------------------------------------------------------------------------------------
        /// <summary>
        /// Given a Scripture section, this method returns the index of the paragraph containing
        /// the requested verse and the position of the character immediately following the
        /// verse number in that paragraph. If an exact match isn't found, the closest
        /// approximate place is found.
        /// </summary>
        /// <param name="section">The section whose paragraphs will be searched</param>
        /// <param name="targetRef">The reference being sought</param>
        /// <param name="iPara">The index of the paragraph where the verse was found</param>
        /// <param name="ichPosition">The index of the character immediately following the
        /// verse number in that paragraph</param>
        /// ------------------------------------------------------------------------------------
        protected void FindVerseNumber(IScrSection section, ScrReference targetRef, out int iPara,
                                       out int ichPosition)
        {
            iPara       = 0;
            ichPosition = 0;

            bool fChapterFound = (BCVRef.GetChapterFromBcv(section.VerseRefMin) == targetRef.Chapter);

            foreach (IStTxtPara para in section.ContentOA.ParagraphsOS)
            {
                if (para.Contents.Text == null)
                {
                    continue;
                }
                TsRunInfo    tsi;
                ITsTextProps ttpRun;
                int          ich = 0;
                while (ich < para.Contents.Length)
                {
                    // Get props of current run.
                    ttpRun = para.Contents.FetchRunInfoAt(ich, out tsi);
                    // See if it is our verse number style.
                    if (fChapterFound)
                    {
                        if (ttpRun.Style() == ScrStyleNames.VerseNumber)
                        {
                            // The whole run is the verse number. Extract it.
                            string sVerseNum = para.Contents.Text.Substring(tsi.ichMin,
                                                                            tsi.ichLim - tsi.ichMin);
                            int startVerse, endVerse;
                            ScrReference.VerseToInt(sVerseNum, out startVerse, out endVerse);
                            if ((targetRef.Verse >= startVerse && targetRef.Verse <= endVerse) ||
                                targetRef.Verse < startVerse)
                            {
                                ichPosition = tsi.ichLim;
                                return;
                            }
                        }
                    }
                    // See if it is our chapter number style.
                    else if (ttpRun.Style() == ScrStyleNames.ChapterNumber)
                    {
                        try
                        {
                            // Assume the whole run is the chapter number. Extract it.
                            string sChapterNum = para.Contents.Text.Substring(tsi.ichMin,
                                                                              tsi.ichLim - tsi.ichMin);
                            fChapterFound = (ScrReference.ChapterToInt(sChapterNum) == targetRef.Chapter);
                        }
                        catch (ArgumentException)
                        {
                            // ignore runs with invalid Chapter numbers
                        }
                    }
                    ich = tsi.ichLim;
                }
                iPara++;
            }
            iPara = 0;             // Couldn't find it.
        }
Пример #2
0
        /// ------------------------------------------------------------------------------------
        /// <summary>
        /// Updates the end of verse to include any adjacent, duplicate verse numbers.
        /// For any adjacent and duplicate verses in the paragraph, we want to include them in
        /// the text of the same ScrVerse.(TE-7137)
        /// </summary>
        /// <returns>ich for the end of the ScrVerse updated (perhaps) to include the verse
        /// number and text of duplicate and adjacent verses</returns>
        /// ------------------------------------------------------------------------------------
        private int UpdateEndOfVerse()
        {
            if (m_inChapterNum)
            {
                return(m_ich);
            }

            bool fFoundChapterNumber;
            int  iRun = FindNextVerseRun(m_ich, out fFoundChapterNumber);

            // If we found another chapter or verse number run...
            if (iRun > 0)
            {
                if (fFoundChapterNumber)
                {
                    m_ich = m_tssParaContents.get_LimOfRun(iRun - 1);                     // update the end of the verse
                    return(m_ich);
                }

                // Scan through the remainder of the paragraph (or until a verse number run
                // is not found, in which case, the iRun will be set to -1)
                for (; iRun > 0 && iRun < m_tssParaContents.RunCount;)
                {
                    int verseStart, verseEnd;
                    ScrReference.VerseToInt(m_tssParaContents.get_RunText(iRun), out verseStart,
                                            out verseEnd);

                    // If the starting reference of the next verse number run is the same as the
                    // current starting reference...
                    if (verseStart == m_startRef.Verse)
                    {
                        // we have a duplicate verse and we need to find either the next verse number
                        // run or the end of the paragraph to get the remainder of the ScrVerse.
                        iRun  = FindNextVerseRun(m_tssParaContents.get_LimOfRun(iRun), out fFoundChapterNumber);
                        m_ich = iRun < 0 ? m_tssParaContents.Text.Length :
                                m_tssParaContents.get_LimOfRun(iRun - 1);                         // update the end of the verse
                    }
                    else
                    {
                        m_ich = m_tssParaContents.get_MinOfRun(iRun);
                        break;                         // no more duplicate, adjacent verses. We're finished scanning the para.
                    }
                }
            }

            // No more verse numbers found. Set end of ScrVerse if we are not in a chapter number run.
            else
            {
                m_ich = m_tssParaContents.Text != null ? m_tssParaContents.Text.Length : 0;
            }

            return(m_ich);
        }
Пример #3
0
        /// ------------------------------------------------------------------------------------
        /// <summary>
        /// Given a Scripture section, this method returns the index of the paragraph containing
        /// the requested verse and the position of the character immediately following the
        /// verse number in that paragraph. If an exact match isn't found, the closest
        /// approximate place is found.
        /// </summary>
        /// <param name="section">The section whose paragraphs will be searched</param>
        /// <param name="targetRef">The reference being sought</param>
        /// <param name="ihvoPara"></param>
        /// <param name="ichPosition"></param>
        /// <remarks>Currently, this does NOT attempt to find a close match, but some day it
        /// should</remarks>
        /// ------------------------------------------------------------------------------------
        protected void FindVerseNumber(ScrSection section, ScrReference targetRef,
                                       out int ihvoPara, out int ichPosition)
        {
            ihvoPara    = 0;
            ichPosition = 0;

            bool fChapterFound = ((ScrReference)section.VerseRefStart).Chapter == targetRef.Chapter;

            foreach (StTxtPara para in section.ContentOA.ParagraphsOS)
            {
                TsStringAccessor contents = para.Contents;
                TsRunInfo        tsi;
                ITsTextProps     ttpRun;
                int ich = 0;
                while (ich < contents.Text.Length)
                {
                    // Get props of current run.
                    ttpRun = contents.UnderlyingTsString.FetchRunInfoAt(ich, out tsi);
                    // See if it is our verse number style.
                    if (fChapterFound)
                    {
                        if (StStyle.IsStyle(ttpRun, ScrStyleNames.VerseNumber))
                        {
                            // The whole run is the verse number. Extract it.
                            string sVerseNum = contents.Text.Substring(tsi.ichMin,
                                                                       tsi.ichLim - tsi.ichMin);
                            int startVerse, endVerse;
                            ScrReference.VerseToInt(sVerseNum, out startVerse, out endVerse);
                            if (targetRef.Verse >= startVerse && targetRef.Verse <= endVerse)
                            {
                                ihvoPara    = para.OwnOrd - 1;
                                ichPosition = tsi.ichLim;
                                return;
                            }
                            // TODO: Currently, this does NOT attempt to detect when we have
                            // a close match
                        }
                    }
                    // See if it is our chapter number style.
                    else if (StStyle.IsStyle(ttpRun, ScrStyleNames.ChapterNumber))
                    {
                        // Assume the whole run is the chapter number. Extract it.
                        string sChapterNum = contents.Text.Substring(tsi.ichMin,
                                                                     tsi.ichLim - tsi.ichMin);
                        int nChapter = ScrReference.ChapterToInt(sChapterNum);
                        fChapterFound = (nChapter == targetRef.Chapter);
                    }
                    ich = tsi.ichLim;
                }
            }
        }
Пример #4
0
        ///  ------------------------------------------------------------------------------------
        /// <summary>
        /// Advances the enumerator to the next verse in the paragraph.
        /// </summary>
        /// <returns>True if we successfully moved to the next ScrVerse; False if we reached
        /// the end of the paragraph.</returns>
        /// ------------------------------------------------------------------------------------
        public bool MoveNext()
        {
            InitializeParaContents();

            if (m_ich > m_paraLength)
            {
                return(false);
            }

            m_ichVerseStart = m_ichTextStart = m_ich;
            TsRunInfo    tsi;
            ITsTextProps ttpRun;
            string       sPara    = m_tssParaContents.Text;
            int          nChapter = -1;     // This is used to see if we found a chapter later.

            m_inVerseNum   = false;
            m_inChapterNum = false;
            while (m_ich < m_paraLength)
            {
                ttpRun = m_tssParaContents.FetchRunInfoAt(m_ich, out tsi);

                // If this run is our verse number style
                if (ttpRun.Style() == ScrStyleNames.VerseNumber)
                {
                    // If there is already a verse in process, a new verse number run will terminate it.
                    if (m_ichVerseStart != m_ich)
                    {
                        break;
                    }

                    // Assume the whole run is the verse number
                    string sVerseNum = sPara.Substring(m_ich, tsi.ichLim - tsi.ichMin);
                    int    nVerseStart, nVerseEnd;
                    ScrReference.VerseToInt(sVerseNum, out nVerseStart, out nVerseEnd);
                    m_startRef.Verse = nVerseStart;
                    m_endRef.Verse   = nVerseEnd;
                    m_ichVerseStart  = m_ich;                    //set VerseStart at beg of verse number
                    m_ich           += sVerseNum.Length;
                    m_ichTextStart   = m_ich;
                    m_inVerseNum     = true;
                }
                // If this run is our chapter number style
                else if (ttpRun.Style() == ScrStyleNames.ChapterNumber)
                {
                    // If there is already a verse being processed, then the chapter number
                    // run will end it
                    if (m_ichVerseStart != m_ich)
                    {
                        break;
                    }

                    try
                    {
                        // Assume the whole run is the chapter number
                        string sChapterNum = sPara.Substring(m_ich, tsi.ichLim - tsi.ichMin);
                        nChapter           = ScrReference.ChapterToInt(sChapterNum);
                        m_startRef.Chapter = m_endRef.Chapter = nChapter;
                        // Set the verse number to 1, since the first verse number after a
                        // chapter is optional. If we happen to get a verse number in the
                        // next run, this '1' will be overridden (though it will probably
                        // still be a 1).
                        m_startRef.Verse = m_endRef.Verse = 1;
                        m_ichVerseStart  = m_ich;                        //set VerseStart at beg of chapter number
                        m_ich           += sChapterNum.Length;
                        m_ichTextStart   = m_ich;
                        m_inChapterNum   = true;
                    }
                    catch (ArgumentException)
                    {
                        // ignore runs with invalid Chapter numbers
                        m_ich += tsi.ichLim - tsi.ichMin;
                    }
                }
                else                 // Process a text run.
                {
                    // If it comes after a chapter number, then just return the
                    // chapter number without adding the text.
                    if (nChapter > 0)
                    {
                        break;
                    }

                    // skip to the next run
                    m_ich += tsi.ichLim - tsi.ichMin;
                }
            }

            // determine if this verse is a complete paragraph, an empty para and/or a stanza break.
            m_isCompletePara = (m_ichVerseStart == 0 && m_ich == m_paraLength);
            if (string.IsNullOrEmpty(sPara))
            {
                //m_isEmptyPara = true;
                m_isStanzaBreak = string.Equals(ScrStyleNames.StanzaBreak, m_para.StyleName);
            }

            try
            {
                return((m_ich > m_ichVerseStart) || FirstTimeAtStanzaBreak);
            }
            finally
            {
                // Update the previous paragraph for the next time (but we do the update
                // in a 'finally' so that we can compare the current to the previous for
                // the return value).
                m_prevPara = m_para;
            }
        }
Пример #5
0
        /// ------------------------------------------------------------------------------------
        /// <summary>
        /// Updates the end of verse to include any adjacent, duplicate verse numbers.
        /// For any adjacent and duplicate verses in the paragraph, we want to include them in
        /// the text of the same ScrVerse.(TE-7137)
        /// </summary>
        /// <returns>ich for the end of the ScrVerse updated (perhaps) to include the verse
        /// number and text of duplicate and adjacent verses</returns>
        /// ------------------------------------------------------------------------------------
        private int UpdateEndOfVerse()
        {
            if (m_fTreatChapterNumberAsSeparateScrVerse && m_inChapterNum)
            {
                return(m_ich);
            }

            bool fFoundChapterNumber;
            int  iRun = FindNextVerseRun(m_ich, out fFoundChapterNumber);

            // If we found another chapter or verse number run...
            if (iRun > 0)
            {
                if (fFoundChapterNumber)
                {
                    m_ich = m_tssParaContents.get_LimOfRun(iRun - 1);                     // update the end of the verse
                    return(m_ich);
                }

                // Scan through the remainder of the paragraph (or until a verse number run
                // is not found, in which case, the iRun will be set to -1)
                for (; iRun > 0 && iRun < m_tssParaContents.RunCount;)
                {
                    int verseStart, verseEnd;
                    ScrReference.VerseToInt(m_tssParaContents.get_RunText(iRun), out verseStart,
                                            out verseEnd);

                    // The following sort of seems like it might be a better condition for handling
                    // the special case of a chapter number followed by a verse number other than
                    // 1, but it causes several tests to fail in the BookMergerTests. Maybe a
                    // better solution is to not combine chapter numbers with following verse numbers
                    // at all and instead detect and handle this as a special case in the
                    // DetectDifferences code.
                    //if ((verseStart == m_startRef.Verse && verseEnd == m_endRef.Verse) ||
                    //    (m_inChapterNum && iRun == m_tssParaContents.get_RunAt(m_ichVerseStart) + 1))

                    // If the starting reference of the next verse number run is the same as the
                    // current starting reference...
                    if (verseStart == m_startRef.Verse)
                    {
                        // We have either a duplicate verse or a verse immediately following a
                        // chapter number and we need to find either the next verse number
                        iRun  = FindNextVerseRun(m_tssParaContents.get_LimOfRun(iRun), out fFoundChapterNumber);
                        m_ich = iRun < 0 ? m_tssParaContents.Text.Length :
                                m_tssParaContents.get_LimOfRun(iRun - 1);                         // update the end of the verse
                        m_inVerseNum = true;
                        if (m_inChapterNum)
                        {
                            m_startRef.Verse = verseStart;
                            m_endRef.Verse   = verseEnd;
                        }
                    }
                    else
                    {
                        m_ich = m_tssParaContents.get_MinOfRun(iRun);
                        break;                         // no more duplicate, adjacent verses. We're finished scanning the para.
                    }
                }
            }
            else
            {
                // No more verse numbers found. Set end of ScrVerse if we are not
                // in a chapter number run.
                m_ich = m_tssParaContents.Text != null ? m_tssParaContents.Text.Length : 0;
            }

            return(m_ich);
        }
Пример #6
0
        /// ------------------------------------------------------------------------------------
        /// <summary>
        /// Find the start and end reference, by searching backwards in the given ITsString
        /// from the given position.
        /// </summary>
        /// <param name="tss">the given ITsString</param>
        /// <param name="ichPos">Index of character in paragraph whose reference we want</param>
        /// <param name="fAssocPrev">Consider this position to be associated with any preceding
        /// text in the paragraph (in the case where ichPos is at a chapter boundary).</param>
        /// <param name="refStart">[out] Start reference for the paragraph.</param>
        /// <param name="refEnd">[out] End reference for the paragraph.</param>
        /// <returns>A value of <see cref="ChapterVerseFound"/> that tells if a chapter and/or
        /// verse number was found in this paragraph.</returns>
        /// <remarks>If ichPos LT zero, we will not search this para, and simply return.
        /// Be careful not to use this method to search the contents of paragraph using
        /// character offsets from the BT!
        /// </remarks>
        /// ------------------------------------------------------------------------------------
        static public ChapterVerseFound GetBCVRefAtPosWithinTss(ITsString tss, int ichPos,
                                                                bool fAssocPrev, out BCVRef refStart, out BCVRef refEnd)
        {
            refStart = new BCVRef();
            refEnd   = new BCVRef();
            ChapterVerseFound retVal = ChapterVerseFound.None;

            if (tss.Length <= 0)
            {
                return(retVal);
            }

            TsRunInfo    tsi;
            ITsTextProps ttpRun;
            bool         fGotVerse = false;

            int ich = ichPos;

            if (ich > tss.Length)
            {
                ich = tss.Length;
            }
            while (ich >= 0)
            {
                // Get props of current run.
                ttpRun = tss.FetchRunInfoAt(ich, out tsi);

                // If we're at (the front edge of) a C/V number boundary and the
                // caller said to associate the position with the previous material, then
                // ignore this run unless we're at the beginning of the para.
                // The run is actually the *following*  run, which we don't care about.
                if (!fAssocPrev || ichPos <= 0 || ichPos != tsi.ichMin)
                {
                    // See if it is our verse number style.
                    if (!fGotVerse && StStyle.IsStyle(ttpRun, ScrStyleNames.VerseNumber))
                    {
                        // The whole run is the verse number. Extract it.
                        string sVerseNum = tss.get_RunText(tsi.irun);
                        //					string sVerseNum = tss.Text.Substring(tsi.ichMin,
                        //						tsi.ichLim - tsi.ichMin);
                        int startVerse, endVerse;
                        ScrReference.VerseToInt(sVerseNum, out startVerse, out endVerse);
                        refStart.Verse = startVerse;
                        refEnd.Verse   = endVerse;
                        fGotVerse      = true;
                        retVal         = ChapterVerseFound.Verse;
                    }
                    // See if it is our chapter number style.
                    else if (StStyle.IsStyle(ttpRun, ScrStyleNames.ChapterNumber))
                    {
                        try
                        {
                            // Assume the whole run is the chapter number. Extract it.
                            string sChapterNum = tss.get_RunText(tsi.irun);
                            int    nChapter    = ScrReference.ChapterToInt(sChapterNum);
                            refStart.Chapter = refEnd.Chapter = nChapter;

                            if (fGotVerse)
                            {
                                // Found a chapter number to go with the verse number we
                                // already found, so build the full reference using this
                                // chapter with the previously found verse (already set).
                                retVal |= ChapterVerseFound.Chapter;
                            }
                            else
                            {
                                // Found a chapter number but no verse number, so assume the
                                // edited text is in verse 1 of the chapter.
                                refStart.Verse = refEnd.Verse = 1;
                                fGotVerse      = true;
                                retVal         = ChapterVerseFound.Chapter | ChapterVerseFound.Verse;
                            }
                            break;
                        }
                        catch (ArgumentException)
                        {
                            // ignore runs with invalid Chapter numbers
                        }
                    }
                }

                // move index (going backwards) to the character just before the Min of the run
                // we just looked at
                ich = tsi.ichMin - 1;
            }
            return(retVal);
        }
Пример #7
0
        /// ------------------------------------------------------------------------------------
        /// <summary>
        /// Finds all ORCs in the given text and notes any orphaned footnotes or pictures.
        /// </summary>
        /// <param name="text">The text.</param>
        /// <param name="textLocationInfo">Additional information about the location of the
        /// text that can help the user find it.</param>
        /// <param name="startRef">Caller should pass in the initial reference to use as the
        /// basis for any references found in the course of parsing the text. Returned value
        /// will be the final reference found, which can be used as the basis for the subsequent
        /// text</param>
        /// <param name="endRef">Same as startRef, except in the case of verse bridges or
        /// section headings</param>
        /// <param name="footnotes">List of footnotes owned by the book that owns the
        /// given text. As footnotes are found, their locations will be set.</param>
        /// <param name="parasWithOrcs">List of paragraphs and ORC positions (excluding known
        /// picture ORCs).</param>
        /// <returns></returns>
        /// ------------------------------------------------------------------------------------
        private static bool FindOrcsWithoutPropsInText(IStText text, string textLocationInfo,
                                                       ref BCVRef startRef, ref BCVRef endRef,
                                                       List <FootnoteOrcLocation> footnotes, List <OrcLocation> parasWithOrcs)
        {
            bool foundOrphan = false;

            foreach (IStTxtPara para in text.ParagraphsOS)
            {
                ITsString tssContents = para.Contents;
                string    sContents   = tssContents.Text;
                if (sContents == null)
                {
                    continue;
                }

                int nRun = tssContents.RunCount;
                for (int i = 0; i < nRun; i++)
                {
                    TsRunInfo    runInfo;
                    ITsTextProps tprops    = tssContents.FetchRunInfo(i, out runInfo);
                    string       styleName = tprops.GetStrPropValue(
                        (int)FwTextPropType.ktptNamedStyle);

                    // When a verse number is encountered, save the number into
                    // the reference.
                    if (styleName == ScrStyleNames.VerseNumber)
                    {
                        string sVerseNum = sContents.Substring(runInfo.ichMin,
                                                               runInfo.ichLim - runInfo.ichMin);
                        int nVerseStart, nVerseEnd;
                        ScrReference.VerseToInt(sVerseNum, out nVerseStart, out nVerseEnd);
                        startRef.Verse = nVerseStart;
                        endRef.Verse   = nVerseEnd;
                    }

                    // If a chapter number is encountered then save the number into
                    // the reference and start the verse number back at 1.
                    else if (styleName == ScrStyleNames.ChapterNumber)
                    {
                        try
                        {
                            string sChapterNum = sContents.Substring(runInfo.ichMin,
                                                                     runInfo.ichLim - runInfo.ichMin);
                            startRef.Chapter = endRef.Chapter = ScrReference.ChapterToInt(sChapterNum);
                            startRef.Verse   = endRef.Verse = 1;
                        }
                        catch (ArgumentException)
                        {
                            // ignore runs with invalid Chapter numbers
                        }
                    }
                    else
                    {
                        // search contents for ORCs
                        for (int ich = runInfo.ichMin; ich < runInfo.ichLim; ich++)
                        {
                            if (sContents[ich] != StringUtils.kChObject)
                            {
                                continue;
                            }

                            OrcLocation orcLocation = new OrcLocation(para, ich, startRef, endRef, textLocationInfo);

                            ITsTextProps props   = tssContents.get_PropertiesAt(ich);
                            string       objData = props.GetStrPropValue((int)FwTextPropType.ktptObjData);

                            if (objData == null)
                            {
                                foundOrphan = true;
                            }
                            else
                            {
                                // first char. of strData is type code - GUID will follow it.
                                Guid objGuid = MiscUtils.GetGuidFromObjData(objData.Substring(1));

                                ICmObject obj;
                                if (!text.Cache.ServiceLocator.ObjectRepository.TryGetObject(objGuid, out obj))
                                {
                                    foundOrphan = true;
                                }
                                else if (obj.ClassID == ScrFootnoteTags.kClassId)
                                {
                                    foreach (FootnoteOrcLocation footnote in footnotes)
                                    {
                                        if (footnote.footnote.Guid == objGuid)
                                        {
                                            orcLocation.Footnote = footnote.footnote;
                                            footnote.location    = orcLocation;
                                            break;
                                        }
                                    }
                                }
                                else
                                {
                                    Debug.Assert(obj.ClassID == CmPictureTags.kClassId, "Unknown class id in embedded object: " + obj.ClassID);
                                    continue;
                                }
                            }
                            parasWithOrcs.Add(orcLocation);
                        }
                    }
                }
            }
            return(foundOrphan);
        }
Пример #8
0
        /// ------------------------------------------------------------------------------------
        /// <summary>
        /// Gets the reference for this footnote.
        /// </summary>
        /// <param name="owningBook">The owning book.</param>
        /// <param name="para">The para to search for a Scripture reference (verse or chapter).
        /// </param>
        /// <param name="startRef">The starting reference for this footnote (updated in this
        /// method).</param>
        /// <param name="endRef">The ending reference for this footnote (updated in this
        /// method).</param>
        /// <returns></returns>
        /// ------------------------------------------------------------------------------------
        private RefResult GetReference(IScrBook owningBook, IScrTxtPara para, BCVRef startRef, BCVRef endRef)
        {
            bool foundSelf = (para != ParaContainingOrcRA);
            IStFootnoteRepository footnoteRepo = Cache.ServiceLocator.GetInstance <IStFootnoteRepository>();

            ITsString tssContents = para.Contents;

            for (int i = tssContents.RunCount - 1; i >= 0; i--)
            {
                string styleName = tssContents.get_StringProperty(i, (int)FwTextPropType.ktptNamedStyle);
                if (foundSelf && styleName == ScrStyleNames.VerseNumber && startRef.Verse == 0)
                {
                    int nVerseStart, nVerseEnd;
                    ScrReference.VerseToInt(tssContents.get_RunText(i), out nVerseStart, out nVerseEnd);
                    startRef.Verse = nVerseStart;
                    endRef.Verse   = nVerseEnd;
                }
                else if (foundSelf && styleName == ScrStyleNames.ChapterNumber && startRef.Chapter == 0)
                {
                    try
                    {
                        startRef.Chapter = endRef.Chapter =
                            ScrReference.ChapterToInt(tssContents.get_RunText(i));
                    }
                    catch (ArgumentException)
                    {
                        // ignore runs with invalid Chapter numbers
                    }
                    if (startRef.Verse == 0)
                    {
                        startRef.Verse = endRef.Verse = 1;
                    }
                }
                else if (styleName == null)
                {
                    IScrFootnote footnote = (IScrFootnote)footnoteRepo.GetFootnoteFromObjData(tssContents.get_StringProperty(i, (int)FwTextPropType.ktptObjData));
                    if (footnote != null)
                    {
                        if (footnote == this)
                        {
                            foundSelf = true;
                            continue;
                        }
                        RefRange otherFootnoteLocation = ((ScrFootnote)footnote).FootnoteRefInfo_Internal;
                        if (foundSelf && otherFootnoteLocation != RefRange.EMPTY)
                        {
                            // Found another footnote with a reference we can use
                            if (startRef.Verse == 0)
                            {
                                startRef.Verse = otherFootnoteLocation.StartRef.Verse;
                                endRef.Verse   = otherFootnoteLocation.EndRef.Verse;
                            }

                            if (startRef.Chapter == 0)
                            {
                                startRef.Chapter = otherFootnoteLocation.StartRef.Chapter;
                                endRef.Chapter   = otherFootnoteLocation.EndRef.Chapter;
                            }
                        }
                        else if (foundSelf)
                        {
                            // Previous footnote does not have a reference yet. We presume, for performance
                            // reasons, that none of the previous footnotes have valid references yet, so
                            // we set all the footnotes for the book.
                            ((ScrBook)owningBook).RefreshFootnoteRefs();
                            return(RefResult.ScannedAllFootnotes);
                        }
                    }
                }

                if (startRef.Verse != 0 && endRef.Verse != 0 && startRef.Chapter != 0 &&
                    endRef.Chapter != 0)
                {
                    return(RefResult.Found);
                }
            }
            return(RefResult.NotFound);
        }