+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#ifndef CEPH_RGW_XML_H
-#define CEPH_RGW_XML_H
-
-#include <map>
-#include <string>
-#include <iosfwd>
-#include <include/types.h>
-#include <common/Formatter.h>
-
-class XMLObj;
-
-class XMLObjIter {
- typedef map<string, XMLObj *>::iterator map_iter_t;
- map_iter_t cur;
- map_iter_t end;
-public:
- XMLObjIter();
- ~XMLObjIter();
- void set(const XMLObjIter::map_iter_t &_cur, const XMLObjIter::map_iter_t &_end);
- XMLObj *get_next();
-};
-
-/**
- * Represents a block of XML.
- * Give the class an XML blob, and it will parse the blob into
- * an attr_name->value map.
- * This really ought to be an abstract class or something; it
- * shouldn't be the startpoint for any parsing. Look at RGWXMLParser for that.
- */
-class XMLObj
-{
- XMLObj *parent;
- string obj_type;
-protected:
- string data;
- multimap<string, XMLObj *> children;
- map<string, string> attr_map;
-public:
-
- XMLObj() : parent(NULL) {}
-
- virtual ~XMLObj();
- bool xml_start(XMLObj *parent, const char *el, const char **attr);
- virtual bool xml_end(const char *el);
- virtual void xml_handle_data(const char *s, int len);
- string& get_data();
- XMLObj *get_parent();
- void add_child(string el, XMLObj *obj);
- bool get_attr(string name, string& attr);
- XMLObjIter find(string name);
- XMLObj *find_first(string name);
-
- friend ostream& operator<<(ostream &out, const XMLObj &obj);
-};
-
-struct XML_ParserStruct;
-class RGWXMLParser : public XMLObj
-{
- XML_ParserStruct *p;
- char *buf;
- int buf_len;
- XMLObj *cur_obj;
- vector<XMLObj *> objs;
- list<XMLObj *> allocated_objs;
- list<XMLObj> unallocated_objs;
-protected:
- virtual XMLObj *alloc_obj(const char *el) {
- return NULL;
- }
-public:
- RGWXMLParser();
- ~RGWXMLParser() override;
- bool init();
- bool xml_start(const char *el, const char **attr);
- bool xml_end(const char *el) override;
- void handle_data(const char *s, int len);
-
- bool parse(const char *buf, int len, int done);
- const char *get_xml() { return buf; }
- void set_failure() { success = false; }
-
-private:
- bool success;
-};
-
-class RGWXMLDecoder {
-public:
- struct err {
- string message;
-
- explicit err(const string& m) : message(m) {}
- };
-
- class XMLParser : public RGWXMLParser {
- public:
- XMLParser() {}
- ~XMLParser() override {}
- } parser;
-
- explicit RGWXMLDecoder(bufferlist& bl) {
- if (!parser.parse(bl.c_str(), bl.length(), 1)) {
- cout << "RGWXMLDecoder::err()" << std::endl;
- throw RGWXMLDecoder::err("failed to parse XML input");
- }
- }
-
- template<class T>
- static bool decode_xml(const char *name, T& val, XMLObj *obj, bool mandatory = false);
-
- template<class C>
- static bool decode_xml(const char *name, C& container, void (*cb)(C&, XMLObj *obj), XMLObj *obj, bool mandatory = false);
-
- template<class T>
- static void decode_xml(const char *name, T& val, T& default_val, XMLObj *obj);
-};
-
-template<class T>
-void decode_xml_obj(T& val, XMLObj *obj)
-{
- val.decode_xml(obj);
-}
-
-static inline void decode_xml_obj(string& val, XMLObj *obj)
-{
- val = obj->get_data();
-}
-
-void decode_xml_obj(unsigned long long& val, XMLObj *obj);
-void decode_xml_obj(long long& val, XMLObj *obj);
-void decode_xml_obj(unsigned long& val, XMLObj *obj);
-void decode_xml_obj(long& val, XMLObj *obj);
-void decode_xml_obj(unsigned& val, XMLObj *obj);
-void decode_xml_obj(int& val, XMLObj *obj);
-void decode_xml_obj(bool& val, XMLObj *obj);
-void decode_xml_obj(bufferlist& val, XMLObj *obj);
-class utime_t;
-void decode_xml_obj(utime_t& val, XMLObj *obj);
-
-template<class T>
-void do_decode_xml_obj(list<T>& l, const string& name, XMLObj *obj)
-{
- l.clear();
-
- XMLObjIter iter = obj->find(name);
- XMLObj *o;
-
- while ((o = iter.get_next())) {
- T val;
- decode_xml_obj(val, o);
- l.push_back(val);
- }
-}
-
-template<class T>
-void do_decode_xml_obj(vector<T>& l, const string& name, XMLObj *obj)
-{
- l.clear();
-
- XMLObjIter iter = obj->find(name);
- XMLObj *o;
-
- while (o = iter.get_next()) {
- T val;
- decode_xml_obj(val, o);
- l.push_back(val);
- }
-}
-
-template<class T>
-bool RGWXMLDecoder::decode_xml(const char *name, T& val, XMLObj *obj, bool mandatory)
-{
- XMLObjIter iter = obj->find(name);
- XMLObj *o = iter.get_next();
- if (!o) {
- if (mandatory) {
- string s = "missing mandatory field " + string(name);
- throw err(s);
- }
- val = T();
- return false;
- }
-
- try {
- decode_xml_obj(val, o);
- } catch (err& e) {
- string s = string(name) + ": ";
- s.append(e.message);
- throw err(s);
- }
-
- return true;
-}
-
-template<class C>
-bool RGWXMLDecoder::decode_xml(const char *name, C& container, void (*cb)(C&, XMLObj *), XMLObj *obj, bool mandatory)
-{
- container.clear();
-
- XMLObjIter iter = obj->find(name);
- XMLObj *o = iter.get_next();
- if (!o) {
- if (mandatory) {
- string s = "missing mandatory field " + string(name);
- throw err(s);
- }
- return false;
- }
-
- try {
- decode_xml_obj(container, cb, o);
- } catch (err& e) {
- string s = string(name) + ": ";
- s.append(e.message);
- throw err(s);
- }
-
- return true;
-}
-
-template<class T>
-void RGWXMLDecoder::decode_xml(const char *name, T& val, T& default_val, XMLObj *obj)
-{
- XMLObjIter iter = obj->find(name);
- XMLObj *o = iter.get_next();
- if (!o) {
- val = default_val;
- return;
- }
-
- try {
- decode_xml_obj(val, o);
- } catch (err& e) {
- val = default_val;
- string s = string(name) + ": ";
- s.append(e.message);
- throw err(s);
- }
-}
-
-template<class T>
-static void encode_xml(const char *name, const T& val, ceph::Formatter *f)
-{
- f->open_object_section(name);
- val.dump_xml(f);
- f->close_section();
-}
-
-void encode_xml(const char *name, const string& val, ceph::Formatter *f);
-void encode_xml(const char *name, const char *val, ceph::Formatter *f);
-void encode_xml(const char *name, bool val, ceph::Formatter *f);
-void encode_xml(const char *name, int val, ceph::Formatter *f);
-void encode_xml(const char *name, unsigned val, ceph::Formatter *f);
-void encode_xml(const char *name, long val, ceph::Formatter *f);
-void encode_xml(const char *name, unsigned long val, ceph::Formatter *f);
-void encode_xml(const char *name, long long val, ceph::Formatter *f);
-void encode_xml(const char *name, const utime_t& val, ceph::Formatter *f);
-void encode_xml(const char *name, const bufferlist& bl, ceph::Formatter *f);
-void encode_xml(const char *name, long long val, ceph::Formatter *f);
-void encode_xml(const char *name, long long unsigned val, ceph::Formatter *f);
-
-template<class T>
-static void do_encode_xml(const char *name, const std::list<T>& l, const char *entry_name, ceph::Formatter *f)
-{
- f->open_array_section(name);
- for (typename std::list<T>::const_iterator iter = l.begin(); iter != l.end(); ++iter) {
- encode_xml(entry_name, *iter, f);
- }
- f->close_section();
-}
-
-
-
-#endif
Code Review / stor4nfv.git / blobdiff