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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef SPLIT_H
#define SPLIT_H
#include <string>
#include <sstream>
#include <map>
#include <functional>
void trimFront(std::string &s); // Strip blanks off front
void trimBack(std::string &s); // Strip blanks off back
// Simplify blanks, that is " A \tB " -> "A B".
void simplify(std::string &s);
// Split a token sequence in a string by character separator.
template <class Iterator>
void split(const std::string &s, char sep, Iterator it)
{
const std::string::size_type size = s.size();
for (std::string::size_type pos = 0; pos < size; ) {
std::string::size_type nextpos = s.find(sep, pos);
if (nextpos == std::string::npos)
nextpos = size;
const std::string token = s.substr(pos, nextpos - pos);
*it = token;
++it;
pos = nextpos + 1;
}
}
// A boolean predicate that can be used for grepping sequences
// of strings for a 'needle' substring.
class SubStringPredicate : public std::unary_function<const std::string &, bool>
{
public:
explicit SubStringPredicate(const char *needle) : m_needle(needle) {}
bool operator()(const std::string &s) { return s.find(m_needle) != std::string::npos; }
private:
const char *m_needle;
};
// Format numbers, etc, as a string.
template <class Streamable>
std::string toString(const Streamable s)
{
std::ostringstream str;
str << s;
return str.str();
}
// Format numbers, etc, as a wstring.
template <class Streamable>
std::wstring toWString(const Streamable s)
{
std::wostringstream str;
str << s;
return str.str();
}
// Helper for outputting a sequence/container to a ostream as a comma-separated, quoted list
// to be used as "os << DebugSequence<Iterator>(list.begin(), list.end()) << "..."
template <class Iterator>
struct DebugSequence : public std::pair<Iterator, Iterator>
{
DebugSequence(const Iterator &i1, const Iterator &i2) : std::pair<Iterator, Iterator>(i1, i2) {}
};
template <class Iterator>
std::ostream &operator<<(std::ostream &os, const DebugSequence<Iterator> &s)
{
for (Iterator it = s.first; it != s.second; ++it) {
if (it != s.first)
os << ',';
os << '\'' << *it << '\'';
}
return os;
}
bool endsWith(const std::string &haystack, const char *needle);
inline bool endsWith(const std::string &haystack, char needle)
{ return !haystack.empty() && haystack.at(haystack.size() - 1) == needle; }
// Read an integer from a string as '10' or '0xA'
template <class Integer>
bool integerFromString(const std::string &s, Integer *v)
{
const bool isHex = s.compare(0, 2, "0x") == 0;
std::istringstream str(isHex ? s.substr(2, s.size() - 2) : s);
if (isHex)
str >> std::hex;
str >> *v;
return !str.fail();
}
// Read an integer from a wstring as '10' or '0xA'
template <class Integer>
bool integerFromWString(const std::wstring &s, Integer *v)
{
const bool isHex = s.compare(0, 2, L"0x") == 0;
std::wistringstream str(isHex ? s.substr(2, s.size() - 2) : s);
if (isHex)
str >> std::hex;
str >> *v;
return !str.fail();
}
void replace(std::wstring &s, wchar_t before, wchar_t after);
// Stream a string onto a char stream doing backslash & octal escaping
// suitable for GDBMI usable as 'str << gdbmiStringFormat(wstring)'
class gdbmiStringFormat {
public:
explicit gdbmiStringFormat(const std::string &s) : m_s(s) {}
void format(std::ostream &) const;
private:
const std::string &m_s;
};
// Stream a wstring onto a char stream doing backslash & octal escaping
// suitable for GDBMI usable as 'str << gdbmiWStringFormat(wstring)'
class gdbmiWStringFormat {
public:
explicit gdbmiWStringFormat(const std::wstring &w) : m_w(w) {}
void format(std::ostream &) const;
private:
const std::wstring &m_w;
};
inline std::ostream &operator<<(std::ostream &str, const gdbmiStringFormat &sf)
{
sf.format(str);
return str;
}
inline std::ostream &operator<<(std::ostream &str, const gdbmiWStringFormat &wsf)
{
wsf.format(str);
return str;
}
std::string wStringToGdbmiString(const std::wstring &w);
std::string wStringToString(const std::wstring &w);
std::wstring stringToWString(const std::string &w);
// String from hex "414A" -> "AJ".
std::string stringFromHex(const char *begin, const char *end);
std::wstring dataToHexW(const unsigned char *begin, const unsigned char *end);
// Create readable hex: '0xAA 0xBB'..
std::wstring dataToReadableHexW(const unsigned char *begin, const unsigned char *end);
// Format a map as a GDBMI hash {key="value",..}
void formatGdbmiHash(std::ostream &os, const std::map<std::string, std::string> &, bool closeHash = true);
#endif // SPLIT_H
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