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feat(MainDb): clean xml parser

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This commit is contained in:
Ronan Abhamon 2018-03-07 15:05:39 +01:00
parent 1b942b3306
commit 58e0b47a99
1 changed files with 39 additions and 45 deletions
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84
src/db/main-db.cpp
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@ -1073,51 +1073,45 @@ void MainDbPrivate::importLegacyFriends (DbSession &inDbSession) {
};
}
static string extractFileContentType (const string &xml) {
string contentTypeString;
xmlDocPtr xmlMessageBody;
xmlNodePtr cur;
/* parse the msg body to get all informations from it */
xmlMessageBody = xmlParseDoc((const xmlChar *)xml.c_str());
cur = xmlDocGetRootElement(xmlMessageBody);
if (cur) {
cur = cur->xmlChildrenNode;
while (cur) {
if (!xmlStrcmp(cur->name, (const xmlChar *)"file-info")) {
xmlChar *typeAttribute = xmlGetProp(cur, (const xmlChar *)"type");
if (!xmlStrcmp(typeAttribute, (const xmlChar *)"file")) { /* this is the node we are looking for */
cur = cur->xmlChildrenNode; /* now loop on the content of the file-info node */
while (cur) {
if (!xmlStrcmp(cur->name, (const xmlChar *)"content-type")) {
xmlChar *content_type = xmlNodeListGetString(xmlMessageBody, cur->xmlChildrenNode, 1);
int contentTypeIndex = 0;
char *type;
char *subtype;
while (content_type[contentTypeIndex] != '/' && content_type[contentTypeIndex] != '\0') {
contentTypeIndex++;
}
type = ms_strndup((char *)content_type, contentTypeIndex);
subtype = ms_strdup(((char *)content_type + contentTypeIndex + 1));
ContentType contentType(type, subtype);
contentTypeString = contentType.asString();
ms_free(subtype);
ms_free(type);
ms_free(content_type);
break;
}
cur = cur->next;
}
xmlFree(typeAttribute);
break;
}
xmlFree(typeAttribute);
}
cur = cur->next;
}
// TODO: Move in a helper file? With others xml.
struct XmlCharObjectDeleter {
void operator() (void *ptr) const {
xmlFree(ptr);
}
xmlFreeDoc(xmlMessageBody);
return contentTypeString;
};
using XmlCharObject = unique_ptr<xmlChar, XmlCharObjectDeleter>;
struct XmlDocObjectDeleter {
void operator() (xmlDocPtr ptr) const {
xmlFreeDoc(ptr);
}
};
using XmlDocObject = unique_ptr<remove_pointer<xmlDocPtr>::type, XmlDocObjectDeleter>;
typedef const xmlChar* XmlCharPtr;
static string extractLegacyFileContentType (const string &xml) {
XmlDocObject xmlMessageBody(xmlParseDoc(XmlCharPtr(xml.c_str())));
xmlNodePtr xmlElement = xmlDocGetRootElement(xmlMessageBody.get());
if (!xmlElement)
return "";
for (xmlElement = xmlElement->xmlChildrenNode; xmlElement; xmlElement = xmlElement->next) {
if (xmlStrcmp(xmlElement->name, XmlCharPtr("file-info")))
continue;
XmlCharObject typeAttribute(xmlGetProp(xmlElement, XmlCharPtr("type")));
if (xmlStrcmp(typeAttribute.get(), XmlCharPtr("file")))
continue;
for (xmlElement = xmlElement->xmlChildrenNode; xmlElement; xmlElement = xmlElement->next)
if (!xmlStrcmp(xmlElement->name, XmlCharPtr("content-type"))) {
XmlCharObject xmlContentType(xmlNodeListGetString(xmlMessageBody.get(), xmlElement->xmlChildrenNode, 1));
return ContentType(reinterpret_cast<const char *>(xmlContentType.get())).asString();
}
}
return "";
}
void MainDbPrivate::importLegacyHistory (DbSession &inDbSession) {
@ -1173,7 +1167,7 @@ void MainDbPrivate::importLegacyHistory (DbSession &inDbSession) {
continue;
}
string contentTypeString = extractFileContentType(text);
string contentTypeString = extractLegacyFileContentType(text);
if (contentTypeString.empty()) {
lWarning() << "Unable to extract file content type form legacy transfer message";
continue;