1 | /* |
---|
2 | * Copyright (c) 2014, Chris Johns <chrisj@rtems.org> |
---|
3 | * |
---|
4 | * Permission to use, copy, modify, and/or distribute this software for any |
---|
5 | * purpose with or without fee is hereby granted, provided that the above |
---|
6 | * copyright notice and this permission notice appear in all copies. |
---|
7 | * |
---|
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
---|
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
---|
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
---|
11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
---|
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
---|
13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
---|
14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
---|
15 | */ |
---|
16 | /** |
---|
17 | * @file |
---|
18 | * |
---|
19 | * @ingroup rtems_rld |
---|
20 | * |
---|
21 | * @brief INI Configuration reader. |
---|
22 | * |
---|
23 | */ |
---|
24 | |
---|
25 | #include <errno.h> |
---|
26 | |
---|
27 | #include <rld-config.h> |
---|
28 | |
---|
29 | #include <SimpleIni.h> |
---|
30 | |
---|
31 | namespace rld |
---|
32 | { |
---|
33 | namespace config |
---|
34 | { |
---|
35 | item::item (const std::string& text) |
---|
36 | : text (text) |
---|
37 | { |
---|
38 | } |
---|
39 | |
---|
40 | item::item (const char* text) |
---|
41 | : text (text) |
---|
42 | { |
---|
43 | } |
---|
44 | |
---|
45 | bool |
---|
46 | section::has_record (const std::string& name) const |
---|
47 | { |
---|
48 | for (records::const_iterator ri = recs.begin (); |
---|
49 | ri != recs.end (); |
---|
50 | ++ri) |
---|
51 | { |
---|
52 | if ((*ri).name == name) |
---|
53 | return true; |
---|
54 | } |
---|
55 | return false; |
---|
56 | } |
---|
57 | |
---|
58 | const record& |
---|
59 | section::get_record (const std::string& name) const |
---|
60 | { |
---|
61 | for (records::const_iterator ri = recs.begin (); |
---|
62 | ri != recs.end (); |
---|
63 | ++ri) |
---|
64 | { |
---|
65 | if ((*ri).name == name) |
---|
66 | return *ri; |
---|
67 | } |
---|
68 | |
---|
69 | throw rld::error ("not found", "config record: " + this->name + '/' + name); |
---|
70 | } |
---|
71 | |
---|
72 | const std::string |
---|
73 | section::get_record_item (const std::string& rec_name) const |
---|
74 | { |
---|
75 | const record& rec = get_record (rec_name); |
---|
76 | if (rec.items_.size () != 1) |
---|
77 | throw rld::error ("duplicate", "record item: " + name + '/' + rec_name); |
---|
78 | return rec.items_[0].text; |
---|
79 | } |
---|
80 | |
---|
81 | void |
---|
82 | section::get_record_items (const std::string& rec_name, rld::strings& items) const |
---|
83 | { |
---|
84 | const record& rec = get_record (rec_name); |
---|
85 | items.clear (); |
---|
86 | for (rld::config::items::const_iterator ii = rec.items_.begin (); |
---|
87 | ii != rec.items_.end (); |
---|
88 | ++ii) |
---|
89 | { |
---|
90 | items.push_back ((*ii).text); |
---|
91 | } |
---|
92 | } |
---|
93 | |
---|
94 | config::config(const std::string& search_path) |
---|
95 | { |
---|
96 | set_search_path (search_path); |
---|
97 | } |
---|
98 | |
---|
99 | config::~config() |
---|
100 | { |
---|
101 | } |
---|
102 | |
---|
103 | void |
---|
104 | config::set_search_path (const std::string& search_path) |
---|
105 | { |
---|
106 | if (!search_path.empty ()) |
---|
107 | rld::path::path_split (search_path, search); |
---|
108 | } |
---|
109 | |
---|
110 | void |
---|
111 | config::clear () |
---|
112 | { |
---|
113 | secs.clear (); |
---|
114 | } |
---|
115 | |
---|
116 | void |
---|
117 | config::load (const std::string& path) |
---|
118 | { |
---|
119 | CSimpleIniCaseA ini (false, true, true); |
---|
120 | |
---|
121 | std::string checked_path; |
---|
122 | |
---|
123 | if (rld::path::check_file (path)) |
---|
124 | { |
---|
125 | checked_path = path; |
---|
126 | } |
---|
127 | else |
---|
128 | { |
---|
129 | bool found = false; |
---|
130 | for (rld::path::paths::const_iterator spi = search.begin (); |
---|
131 | spi != search.end (); |
---|
132 | ++spi) |
---|
133 | { |
---|
134 | rld::path::path_join (*spi, path, checked_path); |
---|
135 | if (rld::path::check_file (checked_path)) |
---|
136 | { |
---|
137 | found = true; |
---|
138 | break; |
---|
139 | } |
---|
140 | } |
---|
141 | if (!found) |
---|
142 | throw rld::error ("Not found.", "load config: " + path); |
---|
143 | } |
---|
144 | |
---|
145 | if (ini.LoadFile (checked_path.c_str ()) != SI_OK) |
---|
146 | throw rld::error (::strerror (errno), "load config: " + path); |
---|
147 | |
---|
148 | paths_.push_back (checked_path); |
---|
149 | |
---|
150 | /* |
---|
151 | * Merge the loaded configuration into our configuration. |
---|
152 | */ |
---|
153 | |
---|
154 | CSimpleIniCaseA::TNamesDepend skeys; |
---|
155 | |
---|
156 | ini.GetAllSections(skeys); |
---|
157 | |
---|
158 | for (CSimpleIniCaseA::TNamesDepend::const_iterator si = skeys.begin (); |
---|
159 | si != skeys.end (); |
---|
160 | ++si) |
---|
161 | { |
---|
162 | section sec; |
---|
163 | |
---|
164 | sec.name = (*si).pItem; |
---|
165 | |
---|
166 | CSimpleIniCaseA::TNamesDepend rkeys; |
---|
167 | |
---|
168 | ini.GetAllKeys((*si).pItem, rkeys); |
---|
169 | |
---|
170 | for (CSimpleIniCaseA::TNamesDepend::const_iterator ri = rkeys.begin (); |
---|
171 | ri != rkeys.end (); |
---|
172 | ++ri) |
---|
173 | { |
---|
174 | record rec; |
---|
175 | |
---|
176 | rec.name = (*ri).pItem; |
---|
177 | |
---|
178 | CSimpleIniCaseA::TNamesDepend vals; |
---|
179 | |
---|
180 | ini.GetAllValues((*si).pItem, (*ri).pItem, vals); |
---|
181 | |
---|
182 | for (CSimpleIniCaseA::TNamesDepend::const_iterator vi = vals.begin (); |
---|
183 | vi != vals.end (); |
---|
184 | ++vi) |
---|
185 | { |
---|
186 | rec.items_.push_back (item ((*vi).pItem)); |
---|
187 | } |
---|
188 | |
---|
189 | sec.recs.push_back (rec); |
---|
190 | } |
---|
191 | |
---|
192 | secs.push_back (sec); |
---|
193 | |
---|
194 | if (sec.name == "includes") |
---|
195 | includes(sec); |
---|
196 | } |
---|
197 | } |
---|
198 | |
---|
199 | |
---|
200 | void |
---|
201 | config::includes (const section& sec, bool must_exist) |
---|
202 | { |
---|
203 | bool have_includes = false; |
---|
204 | |
---|
205 | try |
---|
206 | { |
---|
207 | rld::strings is; |
---|
208 | parse_items (sec, "include", is); |
---|
209 | |
---|
210 | have_includes = true; |
---|
211 | |
---|
212 | /* |
---|
213 | * Include records are a paths which we can load. |
---|
214 | */ |
---|
215 | |
---|
216 | for (rld::strings::const_iterator isi = is.begin (); |
---|
217 | isi != is.end (); |
---|
218 | ++isi) |
---|
219 | { |
---|
220 | load (*isi); |
---|
221 | } |
---|
222 | } |
---|
223 | catch (rld::error re) |
---|
224 | { |
---|
225 | /* |
---|
226 | * No include records, must be all inlined. If we have includes it must |
---|
227 | * be another error so throw it. |
---|
228 | */ |
---|
229 | if (have_includes || (!have_includes && must_exist)) |
---|
230 | throw; |
---|
231 | } |
---|
232 | } |
---|
233 | |
---|
234 | const section& |
---|
235 | config::get_section (const std::string& name) const |
---|
236 | { |
---|
237 | for (sections::const_iterator si = secs.begin (); |
---|
238 | si != secs.end (); |
---|
239 | ++si) |
---|
240 | { |
---|
241 | if ((*si).name == name) |
---|
242 | return *si; |
---|
243 | } |
---|
244 | |
---|
245 | throw error ("not found", "config section: " + name); |
---|
246 | } |
---|
247 | |
---|
248 | const paths& |
---|
249 | config::get_paths () const |
---|
250 | { |
---|
251 | return paths_; |
---|
252 | } |
---|
253 | } |
---|
254 | } |
---|