ARB
ConfigMapping.h
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1 // ========================================================= //
2 // //
3 // File : ConfigMapping.h //
4 // Purpose : config <-> string mapping //
5 // //
6 // Coded by Ralf Westram (coder@reallysoft.de) in Mar 19 //
7 // http://www.arb-home.de/ //
8 // //
9 // ========================================================= //
10 
11 #ifndef CONFIGMAPPING_H
12 #define CONFIGMAPPING_H
13 
14 #ifndef ARB_CORE_H
15 #include <arb_core.h>
16 #endif
17 #ifndef ARB_STRARRAY_H
18 #include <arb_strarray.h>
19 #endif
20 
21 #ifndef _GLIBCXX_MAP
22 #include <map>
23 #endif
24 #ifndef _GLIBCXX_STRING
25 #include <string>
26 #endif
27 
28 typedef std::map<std::string, std::string> config_map;
29 
30 struct ConfigMapping : public config_map {
31 
32  GB_ERROR parseFrom(const std::string& configString);
33 
34  // props + modifiers
35  bool has_entry(const char *entry) const {
36  // returns true if mapping contains 'entry'
37  return find(entry) != end();
38  }
39  const char *get_entry(const char *entry) const {
40  // returns value of 'entry'
41  config_map::const_iterator found = find(entry);
42  return (found == end()) ? NULp : found->second.c_str();
43  }
44  void set_entry(const std::string& entry, const std::string& value) {
45  // sets a (new) entry to value.
46  // existing entries get overwritten.
47  (*this)[entry] = value;
48  }
49  void delete_entry(const char *entry) {
50  // deletes an existing 'entry'
51  erase(entry);
52  }
53 
54  // result
56  using std::string;
57  string result;
58  for (config_map::const_iterator e = begin(); e != end(); ++e) {
59  const string& config_name(e->first);
60  string value(e->second);
61 
62  encode_escapes(value, "\'");
63  string entry = config_name+"='"+value+'\'';
64  if (result.empty()) {
65  result = entry;
66  }
67  else {
68  result = result+';'+entry;
69  }
70  }
71  return result;
72  }
73  void get_entries(class ConstStrArray& to_array) {
74  for (config_map::const_iterator e = begin(); e != end(); ++e) {
75  const std::string& key(e->first);
76  to_array.put(key.c_str());
77  }
78  }
79 
81  static void encode_escapes(std::string& s, const char *to_escape);
82 };
83 
84 
85 #else
86 #error ConfigMapping.h included twice
87 #endif // CONFIGMAPPING_H
const char * GB_ERROR
Definition: arb_core.h:25
string result
void put(const char *elem)
Definition: arb_strarray.h:199
void delete_entry(const char *entry)
Definition: ConfigMapping.h:49
return string(buffer, length)
std::map< std::string, std::string > config_map
Definition: ConfigMapping.h:28
bool has_entry(const char *entry) const
Definition: ConfigMapping.h:35
std::string config_string() const
Definition: ConfigMapping.h:55
void get_entries(class ConstStrArray &to_array)
Definition: ConfigMapping.h:73
static void encode_escapes(std::string &s, const char *to_escape)
static GB_ERROR decode_escapes(std::string &s)
void set_entry(const std::string &entry, const std::string &value)
Definition: ConfigMapping.h:44
GB_ERROR parseFrom(const std::string &configString)
const char * get_entry(const char *entry) const
Definition: ConfigMapping.h:39
#define NULp
Definition: cxxforward.h:97
GB_write_int const char s
Definition: AW_awar.cxx:156