static void addStrippedSerializedDoc(DFBuffer *result, DFDocument *doc, const char *filename)
{
if (doc != NULL) {
DFStripWhitespace(doc->docNode);
char *str = DFSerializeXMLString(doc,0,1);
DFBufferFormat(result,"#item %s\n",filename);
DFBufferFormat(result,"%s",str);
free(str);
}
}
static int saveStrippedXMLText(DFStorage *storage, const char *filename,
const char *input, NamespaceID defaultNS, DFError **error)
{
DFDocument *doc = DFParseXMLString(input,error);
if (doc == NULL)
return 0;
DFStripWhitespace(doc->docNode);
int ok = saveXMLDocument(storage,filename,doc,defaultNS,error);
DFDocumentRelease(doc);
return ok;
}
void DFStripWhitespace(DFNode *node)
{
if (node->tag == DOM_TEXT) {
char *trimmed = DFStringTrimWhitespace(node->value);
if ((strlen(trimmed) == 0) && (node->parent != NULL))
DFRemoveNode(node);
else
DFSetNodeValue(node,trimmed);
free(trimmed);
}
else {
if (node->tag >= MIN_ELEMENT_TAG) {
const char *space = DFGetAttribute(node,XML_SPACE);
if ((space != NULL) && !strcmp(space,"preserve"))
return;
}
DFNode *next;
for (DFNode *child = node->first; child != NULL; child = next) {
next = child->next;
DFStripWhitespace(child);
}
}
}
