static void findReferencesRecursive(DFNode *node, DFHashTable *referencesById)
{
if (node->tag == HTML_A) {
const char *href = DFGetAttribute(node,HTML_HREF);
if ((href != NULL) && (href[0] == '#')) {
const char *targetId = &href[1];
DFArray *links = DFHashTableLookup(referencesById,targetId);
if (links == NULL) {
links = DFArrayNew(NULL,NULL);
DFHashTableAdd(referencesById,targetId,links);
DFArrayRelease(links);
}
DFArrayAppend(links,node);
}
}
for (DFNode *child = node->first; child != NULL; child = child->next)
findReferencesRecursive(child,referencesById);
}
DFArray *CSSParserSelectors(CSSParser *p)
{
DFArray *result = DFArrayNew((DFCopyFunction)xstrdup,free);
while (p->pos < p->length) {
size_t start = p->pos;
int invalid = 0;
if (!matchBefore(p,',',&invalid))
return 0;
char *selector = trimmedSubstring(p,start,p->pos);
if (strlen(selector) == 0) {
free(selector);
continue;
}
DFArrayAppend(result,selector);
match(p,',');
free(selector);
}
return result;
}
CaptionParts WordBookmarkGetCaptionParts(WordBookmark *bookmark)
{
CaptionParts parts;
parts.beforeNum = 0;
parts.num = 0;
parts.afterNum = 0;
// FIXME: Check if the following line is still relevant with the new bookmarks model
if (bookmark->element == NULL)
return parts;
DFArray *nodes = DFArrayNew(NULL,NULL);
findAllNodes(bookmark->element,nodes);
for (size_t i = 0; i < DFArrayCount(nodes); i++) {
DFNode *node = DFArrayItemAt(nodes,i);
if (node->tag == WORD_FLDSIMPLE) {
const char *instr = DFGetAttribute(node,WORD_INSTR);
if (instr != NULL) {
const char **args = Word_parseField(instr);
if ((args[0] != NULL) && !strcmp(args[0],"SEQ"))
parts.num = 1;
free(args);
}
}
else if (node->tag != WORD_BOOKMARK) {
if (!parts.num)
parts.beforeNum = 1;
else
parts.afterNum = 1;
}
}
DFArrayRelease(nodes);
return parts;
}
DFArray *CSSParserContent(CSSParser *p)
{
DFArray *result = DFArrayNew((DFCopyFunction)ContentPartRetain,(DFFreeFunction)ContentPartRelease);
matchWhitespace(p);
while (p->pos < p->length) {
size_t start = p->pos;
switch (p->chars[p->pos]) {
case '"':
case '\'': {
int invalid = 0;
if (!matchString(p,&invalid))
return result;
char *quotedValue = trimmedSubstring(p,start,p->pos);
char *unquotedValue = DFUnquote(quotedValue);
ContentPart *part = ContentPartNew(ContentPartString,unquotedValue,NULL);
DFArrayAppend(result,part);
ContentPartRelease(part);
free(quotedValue);
free(unquotedValue);
if ((p->pos < p->length) && !matchWhitespace(p))
return result;
break;
}
case 'C':
case 'c': {
if (matchSpecific(p,"counters(")) {
// Not yet supported
return result;
}
else if (matchSpecific(p,"counter(")) {
size_t nameStart = p->pos;
if (!matchIdent(p))
return result;
char *name = DFSubstring(p->chars,nameStart,p->pos);
char *type = NULL;
if (match(p,',')) {
size_t typeStart = p->pos;
if (!matchIdent(p)) {
free(name);
free(type);
return result;
}
type = DFSubstring(p->chars,typeStart,p->pos);
}
ContentPart *part = ContentPartNew(ContentPartCounter,name,type);
DFArrayAppend(result,part);
ContentPartRelease(part);
if (!match(p,')')) {
free(name);
free(type);
return result;
}
if ((p->pos < p->length) && !matchWhitespace(p)) {
free(name);
free(type);
return result;
}
free(name);
free(type);
}
else {
return result;
}
break;
}
default:
return result;
}
}
return result;
}
static void WordPutSectPr(DFNode *concrete, CSSSheet *styleSheet, WordSection *section)
{
// Note: The sectPr element can potentially contain one or more headerReference or
// footerReference elements at the start, before the elements in WordSectPr_Children.
// So the straight childrenToArray/replaceChildrenFromArray method used elsewhere doesn't
// work here - we need to make sure these other elements are maintained
DFNode *children[PREDEFINED_TAG_COUNT];
childrenToArray(concrete,children);
CSSProperties *oldBody = CSSPropertiesNew();
CSSProperties *oldPage = CSSPropertiesNew();
WordGetSectPr(concrete,oldBody,oldPage,section);
CSSProperties *newBody = CSSSheetBodyProperties(styleSheet);
CSSProperties *newPage = CSSSheetPageProperties(styleSheet);
// Page size
if (children[WORD_PGSZ] == NULL)
children[WORD_PGSZ] = DFCreateElement(concrete->doc,WORD_PGSZ);
int updatePageSize = 0;
const char *widthStr = DFGetAttribute(children[WORD_PGSZ],WORD_W);
const char *heightStr = DFGetAttribute(children[WORD_PGSZ],WORD_H);
int widthTwips;
int heightTwips;
if ((widthStr == NULL) || (atoi(widthStr) <= 0) ||
(heightStr == NULL) || (atoi(heightStr) <= 0)) {
// Invalid or missing page size: Set to A4 portrait
widthTwips = A4_WIDTH_TWIPS;
heightTwips = A4_HEIGHT_TWIPS;
updatePageSize = 1;
}
else {
widthTwips = atoi(widthStr);
heightTwips = atoi(heightStr);
}
if (!DFStringEquals(CSSGet(oldPage,"size"),CSSGet(newPage,"size"))) {
const char *newSize = CSSGet(newPage,"size");
if (DFStringEqualsCI(newSize,"A4 portrait")) {
widthTwips = A4_WIDTH_TWIPS;
heightTwips = A4_HEIGHT_TWIPS;
}
else if (DFStringEqualsCI(newSize,"A4 landscape")) {
widthTwips = A4_HEIGHT_TWIPS;
heightTwips = A4_WIDTH_TWIPS;
}
else if (DFStringEqualsCI(newSize,"letter portrait")) {
widthTwips = LETTER_WIDTH_TWIPS;
heightTwips = LETTER_HEIGHT_TWIPS;
}
else if (DFStringEqualsCI(newSize,"letter landscape")) {
widthTwips = LETTER_HEIGHT_TWIPS;
heightTwips = LETTER_WIDTH_TWIPS;
}
else {
widthTwips = A4_WIDTH_TWIPS;
heightTwips = A4_HEIGHT_TWIPS;
}
updatePageSize = 1;
}
if (updatePageSize) {
DFFormatAttribute(children[WORD_PGSZ],WORD_W,"%d",widthTwips);
DFFormatAttribute(children[WORD_PGSZ],WORD_H,"%d",heightTwips);
if (widthTwips > heightTwips)
DFSetAttribute(children[WORD_PGSZ],WORD_ORIENT,"landscape");
else
DFRemoveAttribute(children[WORD_PGSZ],WORD_ORIENT);
}
if (children[WORD_PGMAR] == NULL)
children[WORD_PGMAR] = DFCreateElement(concrete->doc,WORD_PGMAR);
// Page margins
if (!DFStringEquals(CSSGet(oldBody,"margin-left"),CSSGet(newBody,"margin-left")) || updatePageSize)
updateTwipsFromLength(children[WORD_PGMAR],WORD_LEFT,CSSGet(newBody,"margin-left"),widthTwips);
if (!DFStringEquals(CSSGet(oldBody,"margin-right"),CSSGet(newBody,"margin-right")) || updatePageSize)
updateTwipsFromLength(children[WORD_PGMAR],WORD_RIGHT,CSSGet(newBody,"margin-right"),widthTwips);
if (!DFStringEquals(CSSGet(oldBody,"margin-top"),CSSGet(newBody,"margin-top")) || updatePageSize)
updateTwipsFromLength(children[WORD_PGMAR],WORD_TOP,CSSGet(newBody,"margin-top"),widthTwips);
if (!DFStringEquals(CSSGet(oldBody,"margin-bottom"),CSSGet(newBody,"margin-bottom")) || updatePageSize)
updateTwipsFromLength(children[WORD_PGMAR],WORD_BOTTOM,CSSGet(newBody,"margin-bottom"),widthTwips);
if (children[WORD_PGMAR]->attrsCount == 0)
children[WORD_PGMAR] = NULL;;
DFArray *extra = DFArrayNew(NULL,NULL);
for (DFNode *child = concrete->first; child != NULL; child = child->next) {
switch (child->tag) {
case WORD_HEADERREFERENCE:
case WORD_FOOTERREFERENCE:
DFArrayAppend(extra,child);
break;
}
}
replaceChildrenFromArray(concrete,children,WordSectPr_Children);
for (long i = (long)(DFArrayCount(extra)-1); i >= 0; i--) {
DFNode *child = DFArrayItemAt(extra,i);
DFInsertBefore(concrete,child,concrete->first);
}
DFArrayRelease(extra);
CSSPropertiesRelease(oldBody);
CSSPropertiesRelease(oldPage);
}
static void collapseRecursive(DFNode *node, DFHashTable *bookmarksById)
{
DFNode *next;
for (DFNode *child = node->first; child != NULL; child = next) {
next = child->next;
switch (child->tag) {
case WORD_BOOKMARKSTART:
case WORD_BOOKMARKEND: {
DFArray *startElements = DFArrayNew(NULL,NULL);
DFArray *endElements = DFArrayNew(NULL,NULL);
DFHashTable *startIds = DFHashTableNew((DFCopyFunction)strdup,(DFFreeFunction)free);
DFHashTable *endIds = DFHashTableNew((DFCopyFunction)strdup,(DFFreeFunction)free);
DFNode *n;
for (n = child;
(n != NULL) && ((n->tag == WORD_BOOKMARKSTART) || (n->tag == WORD_BOOKMARKEND));
n = n->next) {
if (n->tag == WORD_BOOKMARKSTART) {
const char *idValue = DFGetAttribute(n,WORD_ID);
if (idValue == NULL)
idValue = "";
DFHashTableAdd(startIds,idValue,idValue);
DFArrayAppend(startElements,n);
}
else {
const char *idValue = DFGetAttribute(n,WORD_ID);
if (idValue == NULL)
idValue = "";
DFHashTableAdd(endIds,idValue,idValue);
DFArrayAppend(endElements,n);
}
}
next = n;
DFArraySort(startElements,bookmarksById,compareStartElements);
for (size_t endIndex = 0; endIndex < DFArrayCount(endElements); endIndex++) {
DFNode *elem = DFArrayItemAt(endElements,endIndex);
const char *endId = DFGetAttribute(elem,WORD_ID);
int found = 0;
DFNode *ancestor;
for (ancestor = elem->parent; (ancestor != NULL) && !found; ancestor = ancestor->parent) {
if ((ancestor->tag == WORD_BOOKMARK) && DFStringEquals(DFGetAttribute(ancestor,WORD_ID),endId)) {
found = 1;
break;
}
}
if (found) {
DFNode *before = ancestor->next;
DFNode *nnext;
for (DFNode *n = child; n != NULL; n = nnext) {
nnext = n->next;
DFInsertBefore(ancestor->parent,n,before);
}
}
}
size_t x = 0;
while (x < DFArrayCount(startElements)) {
DFNode *element = DFArrayItemAt(startElements,x);
const char *bookmarkId = DFGetAttribute(element,WORD_ID);
if (bookmarkId == NULL)
bookmarkId = "";
if (DFHashTableLookup(endIds,bookmarkId) != NULL) {
element->tag = WORD_BOOKMARK;
DFArrayRemove(startElements,x);
}
else {
x++;
}
}
if (DFArrayCount(startElements) > 0) {
for (size_t i = 1; i < DFArrayCount(startElements); i++) {
DFNode *tempParent = DFArrayItemAt(startElements,i-1);
DFNode *tempChild = DFArrayItemAt(startElements,i);
DFAppendChild(tempParent,tempChild);
}
DFNode *last = DFArrayItemAt(startElements,DFArrayCount(startElements)-1);
while (next != NULL) {
DFNode *tempChild = next;
next = next->next;
DFAppendChild(last,tempChild);
}
}
for (size_t eIndex = 0; eIndex < DFArrayCount(startElements); eIndex++) {
DFNode *e = DFArrayItemAt(startElements,eIndex);
e->tag = WORD_BOOKMARK;
}
for (size_t eIndex = 0; eIndex < DFArrayCount(endElements); eIndex++) {
DFNode *e = DFArrayItemAt(endElements,eIndex);
DFRemoveNode(e);
}
if (DFArrayCount(startElements) > 0) {
DFNode *last = DFArrayItemAt(startElements,DFArrayCount(startElements)-1);
collapseRecursive(last,bookmarksById);
}
DFArrayRelease(startElements);
DFArrayRelease(endElements);
DFHashTableRelease(startIds);
DFHashTableRelease(endIds);
break;
}
default:
collapseRecursive(child,bookmarksById);
break;
}
}
}
