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/*
This file is part of the clazy static checker.
Copyright (C) 2016 Sergio Martins <smartins@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef CLAZY_STL_H
#define CLAZY_STL_H
#include <clang/AST/Stmt.h>
#include <algorithm>
#include <sstream>
namespace clazy {
// Don't use .begin() or cend(), clang's ranges don't have them
// Don't use .size(), clang's ranges doesn't have it
template<typename C>
bool contains(const C &container, const typename C::value_type &value)
{
return std::find(container.begin(), container.end(), value) != container.end();
}
inline bool contains(const std::string &haystack, const std::string &needle)
{
return haystack.find(needle) != std::string::npos;
}
template<typename C>
typename C::iterator find(C &container, const typename C::value_type &value)
{
return std::find(container.begin(), container.end(), value);
}
template<typename C>
typename C::const_iterator find(const C &container, const typename C::value_type &value)
{
return std::find(container.begin(), container.end(), value);
}
template<typename C, typename Pred>
typename C::iterator find_if(C &container, Pred pred)
{
return std::find_if(container.begin(), container.end(), pred);
}
template<typename C, typename Pred>
typename C::const_iterator find_if(const C &container, Pred pred)
{
return std::find_if(container.begin(), container.end(), pred);
}
template<typename Range, typename Pred>
bool any_of(const Range &r, Pred pred)
{
return std::any_of(r.begin(), r.end(), pred);
}
template<typename Range, typename Pred>
bool all_of(const Range &r, Pred pred)
{
return std::all_of(r.begin(), r.end(), pred);
}
template <typename Range>
size_t count(const Range &r)
{
return std::distance(r.begin(), r.end());
}
template<typename SrcContainer, typename DstContainer>
void append(const SrcContainer &src, DstContainer &dst)
{
dst.reserve(clazy::count(dst) + clazy::count(src));
std::copy(src.begin(), src.end(), std::back_inserter(dst));
}
template<typename SrcContainer, typename DstContainer, typename Pred>
void append_if(const SrcContainer &src, DstContainer &dst, Pred pred)
{
dst.reserve(clazy::count(dst) + clazy::count(src));
std::copy_if(src.begin(), src.end(), std::back_inserter(dst), pred);
}
template <typename Range>
bool isEmpty(const Range &r)
{
return r.begin() == r.end();
}
inline bool hasChildren(clang::Stmt *s)
{
return s && !clazy::isEmpty(s->children());
}
inline clang::Stmt* childAt(clang::Stmt *s, int index)
{
int count = s ? std::distance(s->child_begin(), s->child_end()) : 0;
if (count > index) {
auto it = s->child_begin();
while (index > 0) {
++it;
--index;
}
return *it;
}
return nullptr;
}
/**
* Returns true if the string target starts with maybeBeginning
*/
inline bool startsWith(const std::string &target, const std::string &maybeBeginning)
{
return target.compare(0, maybeBeginning.length(), maybeBeginning) == 0;
}
/**
* Returns true if the string target starts with any of the strings in beginningCandidates
*/
inline bool startsWithAny(const std::string &target, const std::vector<std::string> &beginningCandidates)
{
return clazy::any_of(beginningCandidates, [target](const std::string &maybeBeginning) {
return clazy::startsWith(target, maybeBeginning);
});
}
/**
* Returns true if the target equals any of the candidate strings
*/
inline bool equalsAny(const std::string &target, const std::vector<std::string> &candidates)
{
return clazy::any_of(candidates, [target](const std::string &candidate) {
return candidate == target;
});
}
/**
* Returns true if the string target ends with maybeEnding
*/
inline bool endsWith(const std::string &target, const std::string &maybeEnding)
{
return target.size() >= maybeEnding.size() &&
target.compare(target.size() - maybeEnding.size(), maybeEnding.size(), maybeEnding) == 0;
}
/**
* Returns true if the string target ends with any of the strings in endingCandidates
*/
inline bool endsWithAny(const std::string &target, const std::vector<std::string> &endingCandidates)
{
return clazy::any_of(endingCandidates, [target](const std::string &maybeEnding) {
return clazy::endsWith(target, maybeEnding);
});
}
inline std::string toLower(const std::string &s)
{
std::string result(s.size(), 0);
std::transform(s.begin(), s.end(), result.begin(), ::tolower);
return result;
}
inline std::vector<std::string> splitString(const std::string &str, char separator)
{
std::string token;
std::vector<std::string> result;
std::istringstream istream(str);
while (std::getline(istream, token, separator)) {
result.push_back(token);
}
return result;
}
inline std::vector<std::string> splitString(const char *str, char separator)
{
if (!str)
return {};
return clazy::splitString(std::string(str), separator);
}
template<typename Container, typename LessThan>
void sort(Container &c, LessThan lessThan)
{
std::sort(c.begin(), c.end(), lessThan);
}
template<typename Container, typename LessThan>
void sort_and_remove_dups(Container &c, LessThan lessThan)
{
std::sort(c.begin(), c.end(), lessThan);
c.erase(std::unique(c.begin(), c.end()), c.end());
}
inline std::string unquoteString(const std::string &str)
{
// If first and last are ", return what's in between quotes:
if (str.size() >= 3 && str[0] == '"' && str.at(str.size() - 1) == '"')
return str.substr(1, str.size() - 2);
return str;
}
}
#endif
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