phantomjs/src/env.cpp

82 lines
2.9 KiB
C++

/*
This file is part of the PhantomJS project from Ofi Labs.
Copyright (C) 2012 execjosh, http://execjosh.blogspot.com
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the <organization> nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "env.h"
#include <QCoreApplication>
#include <QString>
#include <QVariantMap>
static Env *env_instance = NULL;
Env *Env::instance()
{
if (NULL == env_instance)
env_instance = new Env();
return env_instance;
}
Env::Env()
: QObject(QCoreApplication::instance())
{
}
// public:
void Env::parse(const char **envp)
{
const char **env = (const char **)NULL;
QString envvar, name, value;
int indexOfEquals;
// Loop for each of the <NAME>=<VALUE> pairs and split them into a map
for (env = envp; *env != (const char *)NULL; env++) {
envvar = QString(*env);
indexOfEquals = envvar.indexOf('=');
if (0 >= indexOfEquals) {
// Should never happen because names cannot contain "=" and cannot
// be empty. If it does happen, then just ignore this record.
// See: http://pubs.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap08.html
continue;
}
// Extract name and value (if it exists) from envvar
// NOTE:
// QString::mid() will gracefully return an empty QString when the
// specified position index is >= the length() of the string
name = envvar.left(indexOfEquals);
value = envvar.mid(indexOfEquals + 1);
m_map.insert(name, value);
}
}
QVariantMap Env::asVariantMap() const
{
return m_map;
}