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
|
/**
* @file llexternaleditor.cpp
* @brief A convenient class to run external editor.
*
* $LicenseInfo:firstyear=2010&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llexternaleditor.h"
#include "lltrans.h"
#include "llui.h"
#include "llprocess.h"
#include "llsdutil.h"
#include <boost/foreach.hpp>
// static
const std::string LLExternalEditor::sFilenameMarker = "%s";
// static
const std::string LLExternalEditor::sSetting = "ExternalEditor";
LLExternalEditor::EErrorCode LLExternalEditor::setCommand(const std::string& env_var, const std::string& override)
{
std::string cmd = findCommand(env_var, override);
if (cmd.empty())
{
llwarns << "Editor command is empty or not set" << llendl;
return EC_NOT_SPECIFIED;
}
string_vec_t tokens;
tokenize(tokens, cmd);
// Check executable for existence.
std::string bin_path = tokens[0];
if (!LLFile::isfile(bin_path))
{
llwarns << "Editor binary [" << bin_path << "] not found" << llendl;
return EC_BINARY_NOT_FOUND;
}
// Save command.
mProcessParams = LLProcess::Params();
mProcessParams.executable = bin_path;
for (size_t i = 1; i < tokens.size(); ++i)
{
mProcessParams.args.add(tokens[i]);
}
// Add the filename marker if missing.
if (cmd.find(sFilenameMarker) == std::string::npos)
{
mProcessParams.args.add(sFilenameMarker);
llinfos << "Adding the filename marker (" << sFilenameMarker << ")" << llendl;
}
llinfos << "Setting command [" << mProcessParams << "]" << llendl;
return EC_SUCCESS;
}
LLExternalEditor::EErrorCode LLExternalEditor::run(const std::string& file_path)
{
if (std::string(mProcessParams.executable).empty() || mProcessParams.args.empty())
{
llwarns << "Editor command not set" << llendl;
return EC_NOT_SPECIFIED;
}
// Copy params block so we can replace sFilenameMarker
LLProcess::Params params;
params.executable = mProcessParams.executable;
// Substitute the filename marker in the command with the actual passed file name.
BOOST_FOREACH(const std::string& arg, mProcessParams.args)
{
std::string fixed(arg);
LLStringUtil::replaceString(fixed, sFilenameMarker, file_path);
params.args.add(fixed);
}
// Run the editor. Prevent killing the process in destructor.
params.autokill = false;
return LLProcess::create(params) ? EC_SUCCESS : EC_FAILED_TO_RUN;
}
// static
std::string LLExternalEditor::getErrorMessage(EErrorCode code)
{
switch (code)
{
case EC_SUCCESS: return LLTrans::getString("ok");
case EC_NOT_SPECIFIED: return LLTrans::getString("ExternalEditorNotSet");
case EC_PARSE_ERROR: return LLTrans::getString("ExternalEditorCommandParseError");
case EC_BINARY_NOT_FOUND: return LLTrans::getString("ExternalEditorNotFound");
case EC_FAILED_TO_RUN: return LLTrans::getString("ExternalEditorFailedToRun");
}
return LLTrans::getString("Unknown");
}
// static
size_t LLExternalEditor::tokenize(string_vec_t& tokens, const std::string& str)
{
tokens.clear();
// Split the argument string into separate strings for each argument
typedef boost::tokenizer< boost::char_separator<char> > tokenizer;
boost::char_separator<char> sep("", "\" ", boost::drop_empty_tokens);
tokenizer tokens_list(str, sep);
tokenizer::iterator token_iter;
BOOL inside_quotes = FALSE;
BOOL last_was_space = FALSE;
for (token_iter = tokens_list.begin(); token_iter != tokens_list.end(); ++token_iter)
{
if (!strncmp("\"",(*token_iter).c_str(),2))
{
inside_quotes = !inside_quotes;
}
else if (!strncmp(" ",(*token_iter).c_str(),2))
{
if(inside_quotes)
{
tokens.back().append(std::string(" "));
last_was_space = TRUE;
}
}
else
{
std::string to_push = *token_iter;
if (last_was_space)
{
tokens.back().append(to_push);
last_was_space = FALSE;
}
else
{
tokens.push_back(to_push);
}
}
}
return tokens.size();
}
// static
std::string LLExternalEditor::findCommand(
const std::string& env_var,
const std::string& override)
{
std::string cmd;
// Get executable path.
if (!override.empty()) // try the supplied override first
{
cmd = override;
llinfos << "Using override" << llendl;
}
else if (!LLUI::sSettingGroups["config"]->getString(sSetting).empty())
{
cmd = LLUI::sSettingGroups["config"]->getString(sSetting);
llinfos << "Using setting" << llendl;
}
else // otherwise use the path specified by the environment variable
{
char* env_var_val = getenv(env_var.c_str());
if (env_var_val)
{
cmd = env_var_val;
llinfos << "Using env var " << env_var << llendl;
}
}
llinfos << "Found command [" << cmd << "]" << llendl;
return cmd;
}
|
