365 lines
11 KiB
C
365 lines
11 KiB
C
|
/*
|
|||
|
|
* Copyright (C) 2019 YY Inc. All rights reserved.
|
|||
|
|
*
|
|||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|||
|
|
* you may not use this file except in compliance with the License.
|
|||
|
|
* You may obtain a copy of the License at
|
|||
|
|
*
|
|||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|||
|
|
*
|
|||
|
|
* Unless required by applicable law or agreed to in writing,
|
|||
|
|
* software distributed under the License is distributed on an "AS IS" BASIS,
|
|||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|||
|
|
* See the License for the specific language governing permissions and
|
|||
|
|
* limitations under the License.
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#ifndef __X_XML_READER_H
|
|||
|
|
#define __X_XML_READER_H
|
|||
|
|
|
|||
|
|
#include <map>
|
|||
|
|
#include <vector>
|
|||
|
|
#include <stdexcept>
|
|||
|
|
#include <fstream>
|
|||
|
|
//#include <iostream>
|
|||
|
|
|
|||
|
|
#include <string.h>
|
|||
|
|
|
|||
|
|
#include "thirdparty/rapidxml/rapidxml.hpp"
|
|||
|
|
|
|||
|
|
#include "xreader.h"
|
|||
|
|
|
|||
|
|
|
|||
|
|
namespace x2struct {
|
|||
|
|
|
|||
|
|
|
|||
|
|
// xml没有数组，适配起来有点恶心
|
|||
|
|
class XmlReader:public XReader<XmlReader> {
|
|||
|
|
typedef rapidxml::xml_document<> XML_READER_DOCUMENT;
|
|||
|
|
typedef rapidxml::xml_node<> XML_READER_NODE;
|
|||
|
|
public:
|
|||
|
|
friend class XReader<XmlReader>;
|
|||
|
|
using xdoc_type::convert;
|
|||
|
|
XmlReader(const std::string& str, bool isfile=false):xdoc_type(0, ""),_doc(new XML_READER_DOCUMENT),_val(0),_siblings(0) {
|
|||
|
|
std::string err;
|
|||
|
|
_xml_data = 0;
|
|||
|
|
|
|||
|
|
do {
|
|||
|
|
try {
|
|||
|
|
if (isfile) {
|
|||
|
|
std::ifstream fs(str.c_str(), std::ifstream::binary);
|
|||
|
|
if (!fs) {
|
|||
|
|
err = "Open file["+str+"] fail.";
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
std::string data((std::istreambuf_iterator<char>(fs)), std::istreambuf_iterator<char>());
|
|||
|
|
_xml_data = new char[data.length()+1];
|
|||
|
|
memcpy(_xml_data, data.data(), data.length());
|
|||
|
|
_xml_data[data.length()] = '\0';
|
|||
|
|
} else {
|
|||
|
|
_xml_data = new char[str.length()+1];
|
|||
|
|
memcpy(_xml_data, str.data(), str.length());
|
|||
|
|
_xml_data[str.length()] = '\0';
|
|||
|
|
}
|
|||
|
|
_doc->parse<0>(_xml_data);
|
|||
|
|
} catch (const rapidxml::parse_error&e) {
|
|||
|
|
err = std::string("parse error[")+e.what()+"] "+std::string(e.where<char>()).substr(0, 32);
|
|||
|
|
} catch (const std::exception&e) {
|
|||
|
|
err = std::string("unknow exception[")+e.what()+"]";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!err.empty()) {
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
_val = _doc->first_node();
|
|||
|
|
init();
|
|||
|
|
return;
|
|||
|
|
} while (false);
|
|||
|
|
|
|||
|
|
delete _doc;
|
|||
|
|
_doc = 0;
|
|||
|
|
if (0 != _xml_data) {
|
|||
|
|
delete []_xml_data;
|
|||
|
|
_xml_data = 0;
|
|||
|
|
}
|
|||
|
|
throw std::runtime_error(err);
|
|||
|
|
}
|
|||
|
|
~XmlReader() {
|
|||
|
|
if (0 != _doc) {
|
|||
|
|
delete _doc;
|
|||
|
|
delete []_xml_data;
|
|||
|
|
_doc = 0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
private:
|
|||
|
|
class NodeOrAttr {
|
|||
|
|
private:
|
|||
|
|
rapidxml::xml_attribute<char> *attr;
|
|||
|
|
const XML_READER_NODE* node;
|
|||
|
|
public:
|
|||
|
|
NodeOrAttr(rapidxml::xml_attribute<char> *a):attr(a),node(0){}
|
|||
|
|
NodeOrAttr(const XML_READER_NODE* n):attr(0),node(n){}
|
|||
|
|
NodeOrAttr():attr(0),node(0){}
|
|||
|
|
operator bool() const {
|
|||
|
|
return attr!=0 || node!=0;
|
|||
|
|
}
|
|||
|
|
std::string value() {
|
|||
|
|
if (node != 0) {
|
|||
|
|
return node->value();
|
|||
|
|
} else if (attr != 0) {
|
|||
|
|
return attr->value();
|
|||
|
|
} else {
|
|||
|
|
return "";
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
public: // convert
|
|||
|
|
#define XTOSTRUCT_XML_GETVAL() \
|
|||
|
|
NodeOrAttr v = get_val(key); \
|
|||
|
|
if (v && !v.value().empty())
|
|||
|
|
bool convert(const char *key, std::string &val) {
|
|||
|
|
XTOSTRUCT_XML_GETVAL() {
|
|||
|
|
val = v.value();
|
|||
|
|
return true;
|
|||
|
|
} else {
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
bool convert(const char *key, bool &val) {
|
|||
|
|
XTOSTRUCT_XML_GETVAL() {
|
|||
|
|
std::string tmp=v.value();
|
|||
|
|
if (tmp=="1" || tmp=="true" || tmp=="TRUE" || tmp=="True") {
|
|||
|
|
val = true;
|
|||
|
|
} else {
|
|||
|
|
val = false;
|
|||
|
|
}
|
|||
|
|
return true;
|
|||
|
|
} else {
|
|||
|
|
val = false;
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
bool convert(const char *key, int16_t &val) {
|
|||
|
|
XTOSTRUCT_XML_GETVAL() {
|
|||
|
|
val = Util::tonum<int16_t>(v.value());
|
|||
|
|
return true;
|
|||
|
|
} else {
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
bool convert(const char *key, uint16_t &val) {
|
|||
|
|
XTOSTRUCT_XML_GETVAL() {
|
|||
|
|
val = Util::tonum<uint16_t>(v.value());
|
|||
|
|
return true;
|
|||
|
|
} else {
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
bool convert(const char *key, int32_t &val) {
|
|||
|
|
XTOSTRUCT_XML_GETVAL() {
|
|||
|
|
val = Util::tonum<int32_t>(v.value());
|
|||
|
|
return true;
|
|||
|
|
} else {
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
bool convert(const char *key, uint32_t &val) {
|
|||
|
|
XTOSTRUCT_XML_GETVAL() {
|
|||
|
|
val = Util::tonum<uint32_t>(v.value());
|
|||
|
|
return true;
|
|||
|
|
} else {
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
bool convert(const char *key, int64_t &val) {
|
|||
|
|
XTOSTRUCT_XML_GETVAL() {
|
|||
|
|
val = Util::tonum<int64_t>(v.value());
|
|||
|
|
return true;
|
|||
|
|
} else {
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
bool convert(const char *key, uint64_t &val) {
|
|||
|
|
XTOSTRUCT_XML_GETVAL() {
|
|||
|
|
val = Util::tonum<uint64_t>(v.value());
|
|||
|
|
return true;
|
|||
|
|
} else {
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
bool convert(const char *key, double &val) {
|
|||
|
|
XTOSTRUCT_XML_GETVAL() {
|
|||
|
|
val = Util::tonum<double>(v.value());
|
|||
|
|
return true;
|
|||
|
|
} else {
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
bool convert(const char *key, float &val) {
|
|||
|
|
XTOSTRUCT_XML_GETVAL() {
|
|||
|
|
val = Util::tonum<float>(v.value());
|
|||
|
|
return true;
|
|||
|
|
} else {
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
const std::string& type() {
|
|||
|
|
static std::string t("xml");
|
|||
|
|
return t;
|
|||
|
|
}
|
|||
|
|
bool has(const char*key) {
|
|||
|
|
if (_child_index.find(key)!=_child_index.end()) {
|
|||
|
|
return true;
|
|||
|
|
} else if (0 != _val->first_attribute(key)) {
|
|||
|
|
return true;
|
|||
|
|
} else {
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
size_t size(bool to_vec=true) {
|
|||
|
|
if (0 != _siblings) {
|
|||
|
|
return _siblings->size();
|
|||
|
|
} else if (_index>=0 && to_vec && _childs.size()==1) { // 嵌套数组
|
|||
|
|
_siblings = &_childs[0];
|
|||
|
|
return _siblings->size();
|
|||
|
|
} else {
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
XmlReader operator[](const char *key) {
|
|||
|
|
if (has(key)) {
|
|||
|
|
if (_child_index.find(key)!=_child_index.end()) {
|
|||
|
|
return XmlReader(&_childs[_child_index[key]], this, key);
|
|||
|
|
} else {
|
|||
|
|
return XmlReader(_siblings, this, key);
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
throw std::runtime_error(std::string("Did not have ")+key);
|
|||
|
|
}
|
|||
|
|
return XmlReader(0, 0, "");
|
|||
|
|
}
|
|||
|
|
XmlReader operator[](size_t index) {
|
|||
|
|
if (0 != _siblings) {
|
|||
|
|
return XmlReader((*_siblings)[index], this, index);
|
|||
|
|
} else if (_index>=0 && index<_childs.size()) { //
|
|||
|
|
return XmlReader(&_childs[index], this, index);
|
|||
|
|
} else {
|
|||
|
|
throw std::runtime_error("Out of index");
|
|||
|
|
}
|
|||
|
|
return XmlReader(0, 0, "");
|
|||
|
|
}
|
|||
|
|
XmlReader begin() {
|
|||
|
|
_iter = _child_index.begin();
|
|||
|
|
if (_iter != _child_index.end()) {
|
|||
|
|
return XmlReader(&_childs[_iter->second], this, _iter->first);
|
|||
|
|
} else {
|
|||
|
|
return XmlReader(0, this, "");
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
XmlReader next() {
|
|||
|
|
if (0 == _parent) {
|
|||
|
|
throw std::runtime_error("parent null");
|
|||
|
|
} else {
|
|||
|
|
++(_parent->_iter);
|
|||
|
|
}
|
|||
|
|
if (_parent->_iter != _parent->_child_index.end()) {
|
|||
|
|
return XmlReader(&_parent->_childs[_parent->_iter->second], _parent, _parent->_iter->first);
|
|||
|
|
} else {
|
|||
|
|
return XmlReader(0, _parent, "");
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
operator bool() const {
|
|||
|
|
return 0!=_val || 0!=_siblings;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
std::string attribute(const char* key) { // overwite
|
|||
|
|
if (0 != _val) {
|
|||
|
|
rapidxml::xml_attribute<char> *attr = _val->first_attribute(key);
|
|||
|
|
if (0!=attr && attr->value()) {
|
|||
|
|
return attr->value();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return "";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private:
|
|||
|
|
typedef std::vector<XML_READER_NODE*> sibling_type;
|
|||
|
|
typedef std::vector<sibling_type> child_type;
|
|||
|
|
typedef std::map<const char*, size_t, cmp_str> child_index_type;
|
|||
|
|
|
|||
|
|
XmlReader():xdoc_type(0, ""),_doc(0),_val(0),_siblings(0) {
|
|||
|
|
init();
|
|||
|
|
}
|
|||
|
|
XmlReader(const sibling_type* val, const XmlReader*parent, const char*key):xdoc_type(parent, key),_doc(0),_val(0),_siblings(val) {
|
|||
|
|
init();
|
|||
|
|
}
|
|||
|
|
XmlReader(const sibling_type* val, const XmlReader*parent, size_t index):xdoc_type(parent, index),_doc(0),_val(0),_siblings(val) {
|
|||
|
|
init();
|
|||
|
|
}
|
|||
|
|
XmlReader(const XML_READER_NODE* val, const XmlReader*parent, size_t index):xdoc_type(parent, index),_doc(0),_val(val),_siblings(0) {
|
|||
|
|
init();
|
|||
|
|
}
|
|||
|
|
void init() {
|
|||
|
|
if (0 != _siblings) {
|
|||
|
|
_val=(*_siblings)[0];
|
|||
|
|
}
|
|||
|
|
if (0 != _val) {
|
|||
|
|
XML_READER_NODE *tmp = _val->first_node();
|
|||
|
|
for (; tmp; tmp=tmp->next_sibling()) {
|
|||
|
|
child_index_type::iterator it = _child_index.find(tmp->name());
|
|||
|
|
if (it != _child_index.end()) {
|
|||
|
|
_childs[it->second].push_back(tmp);
|
|||
|
|
} else {
|
|||
|
|
sibling_type _v;
|
|||
|
|
_v.push_back(tmp);
|
|||
|
|
_childs.push_back(_v);
|
|||
|
|
_child_index[tmp->name()] = _childs.size()-1;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
XmlReader* child(const char*key, XmlReader*tmp) {
|
|||
|
|
child_index_type::iterator iter;
|
|||
|
|
if (_child_index.end()!=(iter=_child_index.find(key))) {
|
|||
|
|
tmp->_key = key;
|
|||
|
|
tmp->_parent = this;
|
|||
|
|
tmp->_siblings = &_childs[iter->second];
|
|||
|
|
tmp->init();
|
|||
|
|
return tmp;
|
|||
|
|
} else {
|
|||
|
|
return NULL;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
NodeOrAttr get_val(const char *key) {
|
|||
|
|
if (NULL == key) {
|
|||
|
|
return _val;
|
|||
|
|
} else {
|
|||
|
|
child_index_type::iterator iter;
|
|||
|
|
if (_child_index.end()!=(iter=_child_index.find(key))) {
|
|||
|
|
return _childs[iter->second][0];
|
|||
|
|
} else if (0 != _val) {
|
|||
|
|
rapidxml::xml_attribute<char> *attr = _val->first_attribute(key);
|
|||
|
|
return attr;
|
|||
|
|
} else {
|
|||
|
|
return NodeOrAttr();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
XML_READER_DOCUMENT* _doc;
|
|||
|
|
char *_xml_data;
|
|||
|
|
|
|||
|
|
const XML_READER_NODE* _val;
|
|||
|
|
const sibling_type *_siblings;
|
|||
|
|
child_type _childs;
|
|||
|
|
child_index_type _child_index; // 记录某个key在_childs中的索引
|
|||
|
|
mutable child_index_type::iterator _iter;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endif
|