Esempio n. 1
0
static const char *bookmarkNameForHtmlId(WordConverter *converter, const char *htmlId, const char *refClass)
{
    DFNode *htmlElem = DFElementForIdAttr(converter->html,htmlId);
    if (htmlElem == NULL)
        return NULL;
    switch (htmlElem->tag) {
        case HTML_H1:
        case HTML_H2:
        case HTML_H3:
        case HTML_H4:
        case HTML_H5:
        case HTML_H6: {
            DFNode *labelSpan = htmlElem->first;
            if ((labelSpan == NULL) || (labelSpan->tag != HTML_SPAN))
                return NULL;;
            const char *labelClass = DFGetAttribute(labelSpan,HTML_CLASS);
            if (!DFStringEquals(labelClass,DFBookmarkClass))
                return NULL;
            return DFGetAttribute(labelSpan,WORD_NAME);
        }
        case HTML_FIGURE:
        case HTML_TABLE: {
            WordCaption *caption = WordObjectsCaptionForTarget(converter->objects,htmlElem);
            if (caption == NULL)
                return NULL;
            if (DFStringEquals(refClass,DFRefTextClass) && (caption->textBookmark != NULL))
                return caption->textBookmark->bookmarkName;
            else if (DFStringEquals(refClass,DFRefLabelNumClass) && (caption->labelNumBookmark != NULL))
                return caption->labelNumBookmark->bookmarkName;
            else if (DFStringEquals(refClass,DFRefCaptionTextClass) && (caption->captionTextBookmark != NULL))
                return caption->captionTextBookmark->bookmarkName;
            else if (caption->textBookmark != NULL)
                return caption->textBookmark->bookmarkName; // default is entire caption
        }
        default:
            return NULL;
    }
}
Esempio n. 2
0
void Word_setupBookmarkLinks(WordPutData *put)
{
    DFHashTable *referencesById = findReferences(put->conv->html);
    const char **sortedIds = DFHashTableCopyKeys(referencesById);
    DFSortStringsCaseSensitive(sortedIds);
    for (int idIndex = 0; sortedIds[idIndex]; idIndex++) {
        const char *targetId = sortedIds[idIndex];
        DFArray *references = DFHashTableLookup(referencesById,targetId);
        DFNode *targetElem = DFElementForIdAttr(put->conv->html,targetId);
        if (targetElem == NULL)
            continue;

        // The following is only relevant for figures and tables
        int refText = 0;
        int refLabelNum = 0;
        int refCaptionText = 0;

        for (int refIndex = 0; refIndex < DFArrayCount(references); refIndex++) {
            DFNode *a = DFArrayItemAt(references,refIndex);
            const char *className = DFGetAttribute(a,HTML_CLASS);
            if (DFStringEquals(className,DFRefTextClass))
                refText = 1;
            else if (DFStringEquals(className,DFRefLabelNumClass))
                refLabelNum = 1;
            else if (DFStringEquals(className,DFRefCaptionTextClass))
                refCaptionText = 1;
        }

        DFNode *concrete = WordConverterGetConcrete(put,targetElem);
        switch (targetElem->tag) {
            case HTML_H1:
            case HTML_H2:
            case HTML_H3:
            case HTML_H4:
            case HTML_H5:
            case HTML_H6: {
                const char *bookmarkId = NULL;
                const char *bookmarkName = NULL;
                DFNode *bookmarkElem = NULL;
                if ((concrete != NULL) && (concrete->tag == WORD_P)) {

                    // FIXME: We only want to consider the bookmark to be the headings "correct"
                    // bookmark in the case where it contains all of the heading's content, though
                    // excluding other bookmarks that might come before or after it.

                    // If you have the cursor inside a heading bookmark when you save the document,
                    // word puts a bookmark called _GoBack there, and we of course don't want to
                    // confuse that with the actual heading's bookmark (if any).

                    // For now as a temporary hack we just explicitly filter out _GoBack; but there
                    // needs to be a more general fix, as there may be other bookmarks that end up
                    // in the heading.

                    for (DFNode *child = concrete->first; child != NULL; child = child->next) {
                        if ((child->tag == WORD_BOOKMARK) &&
                            !DFStringEquals(DFGetAttribute(child,WORD_NAME),"_GoBack")) {
                            bookmarkElem = child;
                            bookmarkId = DFGetAttribute(bookmarkElem,WORD_ID);
                            bookmarkName = DFGetAttribute(bookmarkElem,WORD_NAME);
                            break;
                        }
                    }
                }

                if ((bookmarkElem == NULL) || (bookmarkId == NULL) || (bookmarkName == NULL)) {
                    // New bookmark
                    WordBookmark *bookmark = WordObjectsAddBookmark(put->conv->objects);
                    bookmarkId =bookmark->bookmarkId;
                    bookmarkName = bookmark->bookmarkName;
                }

                DFNode *bookmarkSpan = DFCreateElement(put->conv->package->document,HTML_SPAN);
                DFSetAttribute(bookmarkSpan,HTML_CLASS,DFBookmarkClass);

                if (bookmarkElem != NULL) {
                    // FIXME: Not covered by tests
                    DFFormatAttribute(bookmarkSpan,HTML_ID,"%s%u",put->conv->idPrefix,bookmarkElem->seqNo);
                }

                DFSetAttribute(bookmarkSpan,WORD_NAME,bookmarkName);
                DFSetAttribute(bookmarkSpan,WORD_ID,bookmarkId);

                while (targetElem->first != NULL)
                    DFAppendChild(bookmarkSpan,targetElem->first);
                DFAppendChild(targetElem,bookmarkSpan);

                break;
            }
            case HTML_TABLE:
            case HTML_FIGURE: {
                WordCaption *caption = WordObjectsCaptionForTarget(put->conv->objects,targetElem);
                if (caption == NULL)
                    break;

                assert(caption->element != NULL);
                assert((caption->number == NULL) || (caption->number->parent == caption->element));
                assert((caption->contentStart == NULL) || (caption->contentStart->parent == caption->element));

                // Note: caption.number may be null (i.e. if the caption is unnumbered)
                //       caption.contentStart may be null (if there is no text in the caption)

                WordBookmark *captionTextBookmark = NULL;
                WordBookmark *labelNumBookmark = NULL;
                WordBookmark *textBookmark = NULL;

                if (!refCaptionText && !refLabelNum && !refText)
                    refText = 1;

                if (refCaptionText) {
                    captionTextBookmark = createBookmark(put->conv);
                    DFNode *nnext;
                    for (DFNode *n = caption->contentStart; n != NULL; n = nnext) {
                        nnext = n->next;
                        DFAppendChild(captionTextBookmark->element,n);
                    }
                    DFAppendChild(caption->element,captionTextBookmark->element);
                }
                if (refLabelNum && (caption->number != NULL)) {
                    labelNumBookmark = createBookmark(put->conv);
                    DFNode *numberNext = caption->number->next;
                    DFNode *nnext;
                    for (DFNode *n = caption->element->first; (n != NULL) && (n != numberNext); n = nnext) {
                        nnext = n->next;
                        DFAppendChild(labelNumBookmark->element,n);
                    }
                    DFInsertBefore(caption->element,labelNumBookmark->element,caption->element->first);
                }
                if (refText) {
                    textBookmark = createBookmark(put->conv);
                    DFNode *nnext;
                    for (DFNode *n = caption->element->first; n != NULL; n = nnext) {
                        nnext = n->next;
                        DFAppendChild(textBookmark->element,n);
                    }
                    DFAppendChild(caption->element,textBookmark->element);
                }

                caption->captionTextBookmark = captionTextBookmark;
                caption->labelNumBookmark = labelNumBookmark;
                caption->textBookmark = textBookmark;

                break;
            }
        }
    }
    free(sortedIds);
    DFHashTableRelease(referencesById);
}