int main(int argc, char * argv[])
{
xmlNodePtr sentence;
gchar ** tokens;
GString * linebuffer = g_string_new("");
GIOChannel * in = g_io_channel_unix_new(fileno(stdin));
//首先读取一行文字
g_io_channel_read_line_string(in,linebuffer,NULL,NULL);
//分割
tokens = g_strsplit_set(linebuffer->str," ",1024);
//为此行文字打标记
init_yylex(tokens);
//打好词性标记后开始解析语法结构
xmlInitGlobals();
xmlInitMemory();
yyparse(&sentence);
xmlCleanupGlobals();
xmlCleanupMemory();
xmlSaveCtxtPtr saver = xmlSaveToFd(2,"UTF-8",0);
xmlSaveTree(saver,sentence);
xmlSaveFlush(saver);
xmlSaveClose(saver);
write(2,"\n",1);
//输出语法树， 以 XML 形式
return 0;
}
inline void run_cleanup()
{
// only call this once, on exit
// to make sure valgrind output is clean
// http://xmlsoft.org/xmlmem.html
xmlCleanupCharEncodingHandlers();
xmlCleanupEncodingAliases();
xmlCleanupGlobals();
xmlCleanupParser();
xmlCleanupThreads();
xmlCleanupInputCallbacks();
xmlCleanupOutputCallbacks();
xmlCleanupMemory();
#if defined(HAVE_CAIRO)
// http://cairographics.org/manual/cairo-Error-handling.html#cairo-debug-reset-static-data
cairo_debug_reset_static_data();
#endif
// http://icu-project.org/apiref/icu4c/uclean_8h.html#a93f27d0ddc7c196a1da864763f2d8920
u_cleanup();
#ifdef MAPNIK_USE_PROJ4
// http://trac.osgeo.org/proj/ticket/149
#if PJ_VERSION >= 480
pj_clear_initcache();
#endif
// https://trac.osgeo.org/proj/wiki/ProjAPI#EnvironmentFunctions
pj_deallocate_grids();
#endif
}
PLIST_API void plist_cleanup(void)
{
/* free memory from parser initialization */
xmlCleanupCharEncodingHandlers();
xmlDictCleanup();
xmlResetLastError();
xmlCleanupGlobals();
xmlCleanupThreads();
xmlCleanupMemory();
}
// Add other such functions for other repository types.
int Repository::get_index(string server_url, PACKAGE_LIST *packages, unsigned int type)
{
if (actionBus._abortActions)
{
actionBus._abortComplete=true;
actionBus.setActionState(ACTIONID_DBUPDATE, ITEMSTATE_ABORTED);
return MPKGERROR_ABORTED;
}
currentStatus = "Updating data from "+ server_url+"...";
mDebug("get_index!");
// First: detecting repository type
// Trying to download in this order (if successful, we have detected a repository type):
// 1. packages.xml.gz (Native MOPSLinux)
// 2. PACKAGES.TXT (Legacy Slackware)
// 3. Packages.gz (Debian)
// (and something else for RPM, in future)
string index_filename = get_tmp_file();
string md5sums_filename = get_tmp_file();
if (!dialogMode) say("[%s] ...\r",server_url.c_str());
string cm = "gunzip -f "+index_filename+".gz 2>/dev/null";
if (type == TYPE_MPKG || type == TYPE_AUTO)
{
actionBus.getActionState(0);
mDebug("trying MPKG, type = "+ IntToStr(type));
if (CommonGetFile(server_url + "packages.xml.gz", index_filename+".gz")==DOWNLOAD_OK)
{
actionBus.getActionState(0);
mDebug("download ok, validating contents...");
if (system(cm.c_str())==0 && \
ReadFile(index_filename).find("<?xml version=\"1.0\"")!=std::string::npos && ReadFile(index_filename).find("<repository")!=std::string::npos)
{
currentStatus = "Detected native MPKG repository";
type = TYPE_MPKG;
}
}
}
if (actionBus._abortActions)
{
actionBus._abortComplete=true;
actionBus.setActionState(ACTIONID_DBUPDATE, ITEMSTATE_ABORTED);
return MPKGERROR_ABORTED;
}
if (type == TYPE_SLACK || type == TYPE_AUTO)
{
mDebug("trying SLACK, type = "+ IntToStr(type));
if (CommonGetFile(server_url + "PACKAGES.TXT", index_filename)==DOWNLOAD_OK)
{
mDebug("download ok, validating contents...");
if (ReadFile(index_filename).find("PACKAGE NAME: ")!=std::string::npos)
{
currentStatus = _("Detected legacy Slackware repository");
if (CommonGetFile(server_url + "CHECKSUMS.md5", md5sums_filename) == DOWNLOAD_OK)
{
type = TYPE_SLACK;
}
else
{
mError(_("Error downloading checksums"));
return -1; // Download failed: no checksums or checksums download error
}
}
}
}
if (actionBus._abortActions)
{
actionBus._abortComplete=true;
actionBus.setActionState(ACTIONID_DBUPDATE, ITEMSTATE_ABORTED);
return MPKGERROR_ABORTED;
}
if (type == TYPE_DEBIAN || type == TYPE_AUTO)
{
if(CommonGetFile(server_url + "Packages.gz", index_filename+".gz")==DOWNLOAD_OK)
{
type = TYPE_DEBIAN;
}
}
if (type != TYPE_MPKG && type != TYPE_SLACK && type!=TYPE_DEBIAN)
{
currentStatus = _("Error updating data from ") +server_url+_(": download error or unsupported type");
mError(_("Error downloading package index: download error, or unsupported repository type"));
return -1;
}
mDebug("Starting to parse index");
PACKAGE *pkg = new PACKAGE;
string xml_name=index_filename;
// XMLNode *repository_root = new XMLNode;
xmlDocPtr indexDoc;
xmlNodePtr indexRootNode;
// int pkg_count;
int ret=0;
currentStatus = "["+server_url+"] Importing data...";
if (actionBus._abortActions)
{
actionBus._abortComplete=true;
actionBus.setActionState(ACTIONID_DBUPDATE, ITEMSTATE_ABORTED);
return MPKGERROR_ABORTED;
}
string *pList = new string;
string *mList = new string;
//XMLNode *tmp = new XMLNode;
//xmlDocPtr indexDoc;
//xmlNodePtr indexRootNode;
switch(type)
{
case TYPE_MPKG:
indexDoc = xmlReadFile(xml_name.c_str(), "UTF-8", 0);
if (indexDoc == NULL) {
xmlFreeDoc(indexDoc);
mError("ппц...");
return -1;
}
else mDebug("indexDoc read successfully");
indexRootNode = xmlDocGetRootElement(indexDoc);
if (indexRootNode == NULL) {
mError(_("Failed to get index"));
xmlFreeDoc(indexDoc);
}
else mDebug("indexRootNode read successfully");
if (xmlStrcmp(indexRootNode->name, (const xmlChar *) "repository") ) {
mError(_("Invalid index file"));
xmlFreeDoc(indexDoc);
}
else mDebug("Found valid repository index");
xmlXPathContextPtr xContext;
xmlXPathObjectPtr xResult;
xContext = xmlXPathNewContext(indexDoc);
if (xContext == NULL) {
mError("ппц");
}
xResult = xmlXPathEvalExpression((const xmlChar *)"/repository/package", xContext);
if (xResult == NULL) {
mError("XPath expression error");
}
if (xmlXPathNodeSetIsEmpty(xResult->nodesetval)) {
xmlXPathFreeObject(xResult);
printf(_("[%s] ... Nothing found\n"), server_url.c_str());
//mError("No packages found");
return 0;
}
xmlNodeSetPtr xNodeSet;
int xi;
actionBus.setActionProgress(ACTIONID_DBUPDATE, 0);
xNodeSet = xResult->nodesetval;
xmlXPathFreeContext(xContext);
actionBus.setActionProgressMaximum(ACTIONID_DBUPDATE, xNodeSet->nodeNr);
if (xNodeSet->nodeNr==0) printf("[%s] ... Nothing found", server_url.c_str());
for (xi = 0; xi < xNodeSet->nodeNr; xi++) {
printf("[%s] ... Importing received data: %d/%d\r",server_url.c_str(), xi+1, xNodeSet->nodeNr);
actionBus.setActionProgress(ACTIONID_DBUPDATE, xi);
mDebug("Processing " + IntToStr(xi) + " node");
if (actionBus._abortActions) {
actionBus._abortComplete = true;
actionBus.setActionState(ACTIONID_DBUPDATE, ITEMSTATE_ABORTED);
return MPKGERROR_ABORTED;
}
actionBus.setActionProgress(ACTIONID_DBUPDATE, xi);
pkg->clear();
mDebug("Calling xml2Package");
if (xml2package(xNodeSet->nodeTab[xi], pkg)<0) {
mError("Failed to parse");
abort();
}
else mDebug("xml2package OK");
// Adding location data
pkg->get_locations()->at(0).set_server_url(&server_url);
packages->add(pkg);
}
printf("\n");
xmlCleanupMemory();
xmlCleanupParser();
/*
*repository_root=XMLNode::openFileHelper(xml_name.c_str(), "repository");
pkg_count=repository_root->nChildNode("package");
if (pkg_count==0)
{
mError("Repository has no packages\n");
delete pkg;
return 0;
}
actionBus.setActionProgress(ACTIONID_DBUPDATE, 0);
for (int i=0; i<pkg_count; i++)
{
if (actionBus._abortActions)
{
actionBus._abortComplete=true;
actionBus.setActionState(ACTIONID_DBUPDATE, ITEMSTATE_ABORTED);
return MPKGERROR_ABORTED;
}
actionBus.setActionProgress(ACTIONID_DBUPDATE, i);
pkg->clear();
*tmp = repository_root->getChildNode("package", i);
xml2package(tmp, pkg);
// Adding location data
pkg->get_locations()->at(0).set_server_url(&server_url);
packages->add(pkg);
}*/
//delete tmp;
break;
case TYPE_SLACK:
*pList = ReadFile(index_filename);
*mList = ReadFile(md5sums_filename);
ret = slackpackages2list(pList, mList, packages, server_url);
if (pList!=NULL) delete pList;
if (mList!=NULL) delete mList;
break;
case TYPE_DEBIAN:
break;
default:
break;
}
delete pkg;
return ret;
}
