File: EStringList.cc

package info (click to toggle)
miwm 1.1-6
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid, stretch
  • size: 1,296 kB
  • ctags: 910
  • sloc: cpp: 8,179; sh: 231; makefile: 148
file content (242 lines) | stat: -rw-r--r-- 8,358 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
#include "EStringList.h" // <-- see this file for license, etc.
#include <fstream>
#include "EStdStringTokenizer.h"

#include "rng.h"

using namespace std;

        ostream &
        operator<<(ostream &os, const EStringList &obj)
        {
                os << obj.toString();
                return os;
        }
        string &
        operator<<(string &os, const EStringList &obj)
        {
                os += obj.toString();
                return os;
        }

        EStringList &
        operator +=(EStringList &obj, const string &os)
        {
                obj.getList().push_back( os );
                return obj;
        }


        EStringList::EStringList()
        {
                return ;
        }

        EStringList::EStringList( const StringList &list ) : m_list( list )
        {
        }

        // EStringList::EStringList( const EStringList &elist ) : m_list( elist..getList() )
        // {
        // }

        // static 
        string 
        EStringList::join( const EStringList &strlist, const string &separator )
        {
                const_iterator it = strlist.begin();
                string result;
                while( it != strlist.end() )
                {
                        result += (*it);
                        ++it;
                        //if( result.empty() ) continue; // SOOOO arguable!
                        result += separator;
                }
                //    result.erase( result.find_last_of( separator ) );  // knock of trailing separator
                // does not work for multi-char separator because of the way find_last_of() works. :(
                result.erase( result.rfind( separator ) );

                //CERR << "join(): = ["<<result<<"]"<<endl;
                return result;
        }
        string 
        EStringList::join( const StringList &strlist, const string &separator )
        {
                EStringList e;
                e.setList( strlist );
                return EStringList::join( e, separator );
        }

        // split
        EStringList
        EStringList::split( const string & sequence, const string &separator )
        {
                EStringList result;
                if( sequence.empty() ) return result;

                //CERR <<"split( "<<sequence<<", "<<separator<<" )"<<endl;
                string lazykludge = sequence + separator;

                string::size_type pos = 0;
                string::size_type pos2 = lazykludge.find( separator );
                if( pos2 == string::npos ) {
                        result += lazykludge;
                        return result;
                }

                string slice;
                while( pos2 != string::npos )
                {
                        slice = lazykludge.substr( pos, pos2 - pos );
                        //CERR << "pos="<<pos<<", pos2="<<pos2<<", slice="<<slice<<endl;
                        //         if( ! slice.empty() )
                        //         {
                        result.getList().push_back( slice );
                        //         }
                        pos = pos2 + 1;
                        pos2 = lazykludge.find( separator, pos );
                        while( pos2 == pos && pos2 != string::npos ) /* foo::::bar */
                        {
                                pos++;
                                pos2 = lazykludge.find( separator, pos );
                        }
                }
                return result;
        }

        EStringList // static
        EStringList::tokenize( const std::string &seq, const std::string &separators )
        {
                EStringList result;
                EStdStringTokenizer toker;
                toker.tokenize( seq.c_str(), separators.c_str() );
                string token;
                while( toker.hasMoreTokens() )
                {
                        token = toker.nextToken();
                        //std::cout << "EStringList::tokenize(): token ["<<token<<"]"<<std::endl;
                        result += string( token );
                }
                return result;
        }


        EStringList::StringList &
        EStringList::getList() /* const - see the header */
        {
                return this->m_list;
        }

        void
        EStringList::setList( const StringList &list ) { this->m_list = list; }

        int
        EStringList::count() const
        {
                unsigned int c = 0;
                EStringList::const_iterator it = this->begin();
                EStringList::const_iterator end = this->end();
                while( it != end )
                {
                        ++c;
                        ++it;
                }
                return c;
        }

        string
        EStringList::toString( const string & separator, bool quoteSpecialTokens ) const
        {
                EStringList::const_iterator it = this->begin();
                string str;
                int c = 0;
                string tmpstr;
                static const string quoteworthy = " \t$\n"; // $ might expand to space-sep'd tokens.
                // shite: {,} break shell parsing: Foo.{cpp,h} != "Foo.{cpp,h}"
                while( it != this->end() )
                {
                        ++c;
                        if( quoteSpecialTokens )
                        {
                                tmpstr = (*it);
                                if( tmpstr.find_first_of( quoteworthy ) != string::npos )
                                {
                                        str += "\"" + tmpstr + "\"";
                                }
                                else str += tmpstr;
                        }
                        else
                        {
                                str += (*it);
                        }
                        str += separator;
                        ++it;
                }
                if( c ) str.erase( str.rfind( separator ) ); // knock off trailing separator.
                return str;
        }

        // static 
        EStringList *
        EStringList::loadFromFile( const std::string &fn )
        {
                std::ifstream file(fn.c_str());
                if (!file) return NULL;
                EStringList *list = new EStringList();
                if( ! list->load( fn ) )
                {
                        delete( list );
                        return NULL;
                }
                return list;
        }

        bool
        EStringList::load( const std::string &fn, bool skipComments, bool skipEmptyLines )
        {
                std::ifstream file(fn.c_str());
                if (!file) return false;
                string line;
                while (std::getline(file, line))
                {
                        if( skipEmptyLines && line.empty() ) continue;
                        if( skipComments && !line.empty() && ( line[0] == '#' || line[0] == ';' ) ) continue;
                        //CERR << "line="<<line << endl;
                        *this += line;
                }
                return true;
        }


        std::string
        EStringList::randomEntry( bool removeIt )
        {
                int count = this->count();
                if( 0 == count ) return std::string();
                // int rand = (int) random( 0, count+1 );
                static RNG rng;
                int rand = rng.select( 0, count );
                iterator it = this->begin();
                for( int i = 0; i < rand; i++ ) ++it;
                //CERR << "randomEntry() returning ["<<(*it)<<"]"<<endl;
                if( ! removeIt ) return (*it);
                std::string foo = (*it);
                this->m_list.erase( it );
                return foo;
        }

        string
        EStringList::shift(  unsigned int places )
        {
                if( places < 0 ) return string();
                unsigned int count = this->count();
                if( places > count ) return string();
                string arg;
                for( unsigned int i = 0; i < places; i++ )
                {
                        if( i == places-1 ) arg = *(m_list.begin());
                        this->m_list.erase( m_list.begin() );
                }
                return arg;
        }