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
|
/* Copyright (C) 2004-2024 J.F.Dockes
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "appformime.h"
#include <iostream>
#include "conftree.h"
#include "fstreewalk.h"
#include "pathut.h"
#include "smallut.h"
static const std::string topappsdir("/usr/share/applications");
static const std::string desktopext("desktop");
static DesktopDb *theDb;
class FstCb : public FsTreeWalkerCB {
public:
FstCb(DesktopDb::AppMap *appdefs)
: m_appdefs(appdefs) {}
virtual FsTreeWalker::Status
processone(const std::string &, FsTreeWalker::CbFlag, const struct PathStat&) override;
DesktopDb::AppMap *m_appdefs;
};
FsTreeWalker::Status FstCb::processone(
const std::string& fn, FsTreeWalker::CbFlag flg, const struct PathStat&)
{
if (flg != FsTreeWalker::FtwRegular)
return FsTreeWalker::FtwOk;
if (path_suffix(fn) != desktopext) {
//cerr << fn << " does not end with .desktop" << '\n';
return FsTreeWalker::FtwOk;
}
ConfSimple dt(fn.c_str(), true);
if (!dt.ok()) {
std::cerr << fn << " cant parse" << '\n';
return FsTreeWalker::FtwOk;
}
std::string tp, nm, cmd, mt;
if (!dt.get("Type", tp, "Desktop Entry")) {
//std::cerr << fn << " no Type" << '\n';
return FsTreeWalker::FtwOk;
}
if (tp != "Application") {
//std::cerr << fn << " wrong Type " << tp << '\n';
return FsTreeWalker::FtwOk;
}
if (!dt.get("Exec", cmd, "Desktop Entry")) {
//std::cerr << fn << " no Exec" << '\n';
return FsTreeWalker::FtwOk;
}
if (!dt.get("Name", nm, "Desktop Entry")) {
//std::cerr << fn << " no Name" << '\n';
nm = path_basename(fn, desktopext);
}
if (!dt.get("MimeType", mt, "Desktop Entry")) {
//std::cerr << fn << " no MimeType" << '\n';
return FsTreeWalker::FtwOk;
}
// Breakup mime type list, and push app to mime entries
std::vector<std::string> mimes;
stringToTokens(mt, mimes, ";");
for (const auto& mime: mimes) {
(*m_appdefs)[mime].emplace_back(nm, cmd);
}
return FsTreeWalker::FtwOk;
}
DesktopDb* DesktopDb::getDb()
{
if (nullptr == theDb) {
theDb = new DesktopDb();
}
if (theDb && theDb->m_ok)
return theDb;
return nullptr;
}
void DesktopDb::build(const std::string& dir)
{
FstCb procapp(&m_appMap);
FsTreeWalker walker;
if (walker.walk(dir, procapp) != FsTreeWalker::FtwOk) {
m_ok = false;
m_reason = walker.getReason();
}
m_ok = true;
}
DesktopDb::DesktopDb()
{
build(topappsdir);
}
DesktopDb::DesktopDb(const std::string& dir)
{
build(dir);
}
bool DesktopDb::appForMime(const std::string& mime, std::vector<AppDef> *apps, std::string *reason)
{
auto it = m_appMap.find(mime);
if (it == m_appMap.end()) {
if (reason)
*reason = std::string("No application found for ") + mime;
return false;
}
*apps = it->second;
return true;
}
bool DesktopDb::allApps(std::vector<AppDef> *apps)
{
std::set<AppDef> allaps;
for (const auto& mimeapps : m_appMap) {
for (const auto& app : mimeapps.second) {
allaps.insert(app);
}
}
for (const auto& app : allaps) {
apps->emplace_back(app.name, app.command);
}
return true;
}
bool DesktopDb::appByName(const std::string& nm, AppDef& appout)
{
for (const auto& mimeapps : m_appMap) {
for (const auto& app : mimeapps.second) {
if (nm == app.name) {
appout = app;
return true;
}
}
}
return false;
}
const std::string& DesktopDb::getReason()
{
return m_reason;
}
bool mimeIsImage(const std::string& tp)
{
return !tp.compare(0, 6, "image/") &&
tp.compare("image/vnd.djvu") && tp.compare("image/svg+xml");
}
|
