最近项目实在是太忙了~
恩 此封装在一般使用频率不大的键值对应配置， 要复杂的结构还是要编写XML对应生成代码工具比较方便和高效
1 #pragma once
2 #include <enable_hashmap.h>
3 #include <string>
4 #include <boost/property_tree/ptree.hpp>
5 #include <boost/property_tree/xml_parser.hpp>
6 #include <boost/lexical_cast.hpp>
7
8 class enable_xml_config
9 {
10 public:
11 enable_xml_config():b_init(false)
12 {
13 }
14 bool init(const std::string& filename)
15 {
16 boost::property_tree::ptree root;
17 try
18 {
19 boost::property_tree::xml_parser::read_xml(filename, pt, boost::property_tree::xml_parser::trim_whitespace);
20 root = pt.get_child("root");
21 filepath = filename;
22 }
23 catch (...)
24 {
25 return false;
26 }
27 value_map.clear();
28 for (auto itr = root.begin(); itr!=root.end(); ++itr)
29 {
30 value_map.insert(std::make_pair(itr->first, itr->second.data()));
31 }
32 b_init = true;
33 return b_init;
34 }
35
36 bool check(const std::string& skey) {
37 auto it = value_map.find(skey);
38 if(it == value_map.end())
39 return false;
40 return true;
41 }
42
43 template<class T>
44 T get(const std::string& skey) {
45 try
46 {
47 if(check(skey))
48 return boost::lexical_cast<T>(value_map[skey]);
49 }
50 catch (...)
51 {
52 }
53 return T();
54 }
55
56 template<class T>
57 T get_ex(const std::string& skey, T& def_val = T()) {
58 try
59 {
60 if(check(skey))
61 return boost::lexical_cast<T>(value_map[skey]);
62 }
63 catch (...)
64 {
65 }
66 return def_val;
67 }
68
69 bool save()
70 {
71 if(!b_init)
72 return false;
73
74 try
75 {
76 boost::property_tree::ptree& root = pt.get_child("root");
77 for (auto itr = root.begin(); itr!=root.end(); ++itr)
78 {
79 auto it = value_map.find(itr->first);
80 if (it != value_map.end())
81 {
82 itr->second.data() = it->second;
83 }
84 }
85 boost::property_tree::xml_writer_settings<char> settings(‘\t‘, 1);
86 boost::property_tree::xml_parser::write_xml(filepath, pt,std::locale(), settings);
87 }
88 catch (...)
89 {
90 return false;
91 }
92
93 return true;
94 }
95 private:
96 ENABLE_MAP<std::string, std::string> value_map;
97 boost::property_tree::ptree pt;
98 std::string filepath;
99 bool b_init;
100 };
enable_xml_config.h
附带：
1 #pragma once
2 #ifdef _DEBUG
3 #include <map>
4 #define ENABLE_MAP std::map
5 #else
6 //效率比map高很多 但是无法查看数据 并且无序
7 #include <boost/unordered_map.hpp>
8 #define ENABLE_MAP boost::unordered_map
9 #endif
enable_hashmap.h
时间： 2024-09-29 02:04:01