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37 * Implements gmx::MessageStringCollector.
39 * \author Teemu Murtola <teemu.murtola@gmail.com>
40 * \ingroup module_utility
42 #include "gromacs/utility/messagestringcollector.h"
46 #include "gromacs/utility/gmxassert.h"
51 class MessageStringCollector::Impl
54 Impl() : prevContext_(0) {}
56 std::vector<std::string> contexts_;
61 MessageStringCollector::MessageStringCollector()
66 MessageStringCollector::~MessageStringCollector()
70 void MessageStringCollector::startContext(const char *name)
72 impl_->contexts_.push_back(name);
75 void MessageStringCollector::append(const std::string &message)
77 int indent = static_cast<int>(impl_->prevContext_ * 2);
78 if (!impl_->contexts_.empty())
80 std::vector<std::string>::const_iterator ci;
81 for (ci = impl_->contexts_.begin() + impl_->prevContext_;
82 ci != impl_->contexts_.end(); ++ci)
84 impl_->text_.append(indent, ' ');
85 impl_->text_.append(*ci);
86 impl_->text_.append("\n");
90 impl_->prevContext_ = impl_->contexts_.size();
92 // TODO: Put this into a more generic helper, could be useful elsewhere
94 while (pos < message.size())
96 size_t nextpos = message.find_first_of('\n', pos);
97 impl_->text_.append(indent, ' ');
98 impl_->text_.append(message.substr(pos, nextpos - pos));
99 impl_->text_.append("\n");
100 if (nextpos == std::string::npos)
108 void MessageStringCollector::finishContext()
110 GMX_RELEASE_ASSERT(!impl_->contexts_.empty(),
111 "finishContext() called without context");
112 impl_->contexts_.pop_back();
113 if (impl_->prevContext_ > impl_->contexts_.size())
115 impl_->prevContext_ = impl_->contexts_.size();
119 void MessageStringCollector::clear()
121 impl_->contexts_.clear();
122 impl_->text_.clear();
123 impl_->prevContext_ = 0;
126 bool MessageStringCollector::isEmpty() const
128 return impl_->text_.empty();
131 std::string MessageStringCollector::toString() const