static void writeAttributes(Serialization *serialization, DFNode *element)
{
// Sort the keys by their tag, to ensure that we always write attributes out in the same order.
// This is important for automated tests which rely on consistent output for a given XML tree.
DFAttribute *attrs = (DFAttribute *)xmalloc(element->attrsCount*sizeof(DFAttribute));
memcpy(attrs,element->attrs,element->attrsCount*sizeof(DFAttribute));
qsort(attrs,element->attrsCount,sizeof(DFAttribute),compareAttrs);
for (unsigned int i = 0; i < element->attrsCount; i++) {
Tag tag = attrs[i].tag;
const TagDecl *tagDecl = DFNameMapNameForTag(serialization->doc->map,tag);
assert(tagDecl != NULL);
const NamespaceDecl *nsDecl = DFNameMapNamespaceForID(serialization->doc->map,tagDecl->namespaceID);
assert(nsDecl != NULL);
const xmlChar *prefix = (const xmlChar *)nsDecl->prefix;
const xmlChar *localName = (const xmlChar *)tagDecl->localName;
const xmlChar *value = (const xmlChar *)attrs[i].value;
if (serialization->html && (tagDecl->namespaceID == NAMESPACE_HTML))
xmlTextWriterWriteAttribute(serialization->writer,localName,value);
else
xmlTextWriterWriteAttributeNS(serialization->writer,prefix,localName,NULL,value);
}
free(attrs);
}
static void writeElement(Serialization *serialization, DFNode *element, int depth)
{
const TagDecl *tagDecl = DFNameMapNameForTag(serialization->doc->map,element->tag);
assert(tagDecl != NULL);
const NamespaceDecl *nsDecl = DFNameMapNamespaceForID(serialization->doc->map,tagDecl->namespaceID);
assert(nsDecl != NULL);
const xmlChar *prefix = (const xmlChar *)nsDecl->prefix;
const xmlChar *localName = (const xmlChar *)tagDecl->localName;
if (serialization->indent && (element->parent != element->doc->docNode))
xmlTextWriterWriteRawLen(serialization->writer,INDENT,1+depth);
if (serialization->html || (tagDecl->namespaceID == serialization->defaultNS))
xmlTextWriterStartElement(serialization->writer,localName);
else
xmlTextWriterStartElementNS(serialization->writer,prefix,localName,NULL);
if ((element->parent == serialization->doc->docNode) && !serialization->html)
writeNamespaceDeclarations(serialization,element);
writeAttributes(serialization,element);
// Check if all children are text nodes. If this is true; we should treat them as if they are a single text
// node, and not do any indentation.
int allChildrenText = 1;
for (DFNode *child = element->first; child != NULL; child = child->next) {
if (child->tag != DOM_TEXT)
allChildrenText = 0;
}
if (allChildrenText) {
int oldIndent = serialization->indent;
serialization->indent = 0;
for (DFNode *child = element->first; child != NULL; child = child->next)
writeNode(serialization,child,depth+2);
serialization->indent = oldIndent;
}
else {
for (DFNode *child = element->first; child != NULL; child = child->next)
writeNode(serialization,child,depth+2);
}
if (serialization->indent && (element->first != NULL) && !allChildrenText) {
if ((element->first != element->last) ||
(element->first->tag != DOM_TEXT))
xmlTextWriterWriteRawLen(serialization->writer,INDENT,1+depth);
}
if (serialization->html && (element->first == NULL) && HTML_requiresCloseTag(element->tag)) {
xmlTextWriterWriteString(serialization->writer,(xmlChar *)"");
}
xmlTextWriterEndElement(serialization->writer);
}
// FIXME: Not covered by tests
void DFMarkupCompatibilityProcessAttr(DFMarkupCompatibility *mc, Tag attr, const char *value, DFNameMap *map)
{
const char **tokens = DFStringTokenize(value,isspace);
for (int tokIndex = 0; tokens[tokIndex]; tokIndex++) {
const char *component = tokens[tokIndex];
char *prefix = NULL;
char *localName = NULL;
const char *colon = strchr(component,':');
if (colon != NULL) {
size_t colonPos = colon - component;
prefix = DFSubstring(component,0,colonPos);
localName = DFSubstring(component,colonPos+1,strlen(component));
}
else {
prefix = xstrdup(component);
localName = NULL;
}
const char *nsIdStr = NULL;
// Find namespace ID for prefix
for (int recordIndex = mc->depth-1; recordIndex >= 0; recordIndex--) {
MCRecord *record = &mc->records[recordIndex];
if (record->namespaces != NULL)
nsIdStr = DFHashTableLookup(record->namespaces,prefix);
}
if (nsIdStr != NULL) {
NamespaceID nsId = atoi(nsIdStr);
Tag tag = 0;
const NamespaceDecl *nsDecl = DFNameMapNamespaceForID(map,nsId);
if (localName != NULL)
tag = DFNameMapTagForName(map,nsDecl->namespaceURI,localName);
switch (attr) {
case MC_IGNORABLE:
addDeclToRecord(&mc->records[mc->depth-1],nsId,tag,MCActionIgnore);
break;
case MC_PROCESSCONTENT:
addDeclToRecord(&mc->records[mc->depth-1],nsId,tag,MCActionProcessContent);
break;
case MC_MUSTUNDERSTAND:
addDeclToRecord(&mc->records[mc->depth-1],nsId,tag,MCActionMustUnderstand);
break;
}
}
free(prefix);
free(localName);
}
free(tokens);
}
DFNode *fromTidyNode(DFDocument *htmlDoc, TidyDoc tdoc, TidyNode tnode)
{
switch (tidyNodeGetType(tnode)) {
case TidyNode_Text: {
char *value = copyTidyNodeValue(tnode,tdoc);
DFNode *result = DFCreateTextNode(htmlDoc,value);
free(value);
return result;
}
case TidyNode_CDATA:
break;
case TidyNode_Comment:
break;
case TidyNode_Root:
printf("Have root\n");
break;
default: {
const char *name = tidyNodeGetName(tnode);
if (name == NULL) {
printf("NULL name for %p, type %d\n",tnode,tidyNodeGetType(tnode));
return NULL;
}
const NamespaceDecl *namespaceDecl = DFNameMapNamespaceForID(htmlDoc->map,NAMESPACE_HTML);
Tag tag = DFNameMapTagForName(htmlDoc->map,namespaceDecl->namespaceURI,name);
DFNode *element = DFCreateElement(htmlDoc,tag);
for (TidyAttr tattr = tidyAttrFirst(tnode); tattr != NULL; tattr = tidyAttrNext(tattr)) {
const char *name = tidyAttrName(tattr);
const char *value = tidyAttrValue(tattr);
if (value == NULL) // Can happen in case of the empty string
value = "";;
Tag attrTag = DFNameMapTagForName(htmlDoc->map,namespaceDecl->namespaceURI,name);
DFSetAttribute(element,attrTag,value);
}
for (TidyNode tchild = tidyGetChild(tnode); tchild != NULL; tchild = tidyGetNext(tchild)) {
DFNode *child = fromTidyNode(htmlDoc,tdoc,tchild);
if (child != NULL)
DFAppendChild(element,child);
}
return element;
}
}
return NULL;
}
static void writeNamespaceDeclarations(Serialization *serialization, DFNode *node)
{
NamespaceID count = DFNameMapNamespaceCount(serialization->doc->map);
char *used = (char *)xcalloc(1,count);
findUsedNamespaces(serialization->doc,node,used,count);
for (NamespaceID nsId = 1; nsId < count; nsId++) { // don't write null namespace
if (used[nsId]) {
const NamespaceDecl *nsDecl = DFNameMapNamespaceForID(serialization->doc->map,nsId);
const xmlChar *prefix = (const xmlChar *)nsDecl->prefix;
const xmlChar *URI = (const xmlChar *)nsDecl->namespaceURI;
if (nsId == serialization->defaultNS)
xmlTextWriterWriteAttribute(serialization->writer,(const xmlChar *)"xmlns",URI);
else
xmlTextWriterWriteAttributeNS(serialization->writer,(const xmlChar *)"xmlns",prefix,NULL,URI);
}
}
free(used);
}
static void SAXStartElement(void *ctx, const xmlChar *fullname, const xmlChar **atts)
{
DFSAXParser *parser = (DFSAXParser *)ctx;
const NamespaceDecl *namespaceDecl = DFNameMapNamespaceForID(parser->document->map,NAMESPACE_HTML);
Tag tag = DFNameMapTagForName(parser->document->map,namespaceDecl->namespaceURI,(const char *)fullname);
DFNode *element = DFCreateElement(parser->document,tag);
if (atts != NULL) {
for (int i = 0; atts[i] != NULL; i += 2) {
const xmlChar *name = atts[i];
const xmlChar *value = atts[i+1];
Tag attrTag = DFNameMapTagForName(parser->document->map,namespaceDecl->namespaceURI,(const char *)name);
DFSetAttribute(element,attrTag,(const char *)value);
}
}
DFAppendChild(parser->parent,element);
parser->parent = element;
if (parser->document->root == NULL)
parser->document->root = element;
}
static void writeElement(Serialization *serialization, DFNode *element, int depth)
{
const TagDecl *tagDecl = DFNameMapNameForTag(serialization->doc->map,element->tag);
assert(tagDecl != NULL);
const NamespaceDecl *nsDecl = DFNameMapNamespaceForID(serialization->doc->map,tagDecl->namespaceID);
assert(nsDecl != NULL);
const xmlChar *prefix = (const xmlChar *)nsDecl->prefix;
const xmlChar *localName = (const xmlChar *)tagDecl->localName;
if (serialization->indent && (element->parent != element->doc->docNode))
xmlTextWriterWriteRawLen(serialization->writer,INDENT,1+depth);
if (serialization->html || (tagDecl->namespaceID == serialization->defaultNS))
xmlTextWriterStartElement(serialization->writer,localName);
else
xmlTextWriterStartElementNS(serialization->writer,prefix,localName,NULL);
if ((element->parent == serialization->doc->docNode) && !serialization->html)
writeNamespaceDeclarations(serialization,element);
writeAttributes(serialization,element);
for (DFNode *child = element->first; child != NULL; child = child->next)
writeNode(serialization,child,depth+2);
if (serialization->indent && (element->first != NULL)) {
if ((element->first != element->last) ||
(element->first->tag != DOM_TEXT))
xmlTextWriterWriteRawLen(serialization->writer,INDENT,1+depth);
}
if (serialization->html && (element->first == NULL) && HTML_requiresCloseTag(element->tag)) {
xmlTextWriterWriteString(serialization->writer,(xmlChar *)"");
}
xmlTextWriterEndElement(serialization->writer);
}
const char *DFTagURI(DFDocument *doc, Tag tag)
{
const TagDecl *tagDecl = DFNameMapNameForTag(doc->map,tag);
const NamespaceDecl *nsDecl = (tagDecl == NULL) ? NULL : DFNameMapNamespaceForID(doc->map,tagDecl->namespaceID);
return (nsDecl != NULL) ? nsDecl->namespaceURI : NULL;
}