diff options
author | Patrick Simianer <p@simianer.de> | 2011-09-09 15:33:35 +0200 |
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committer | Patrick Simianer <p@simianer.de> | 2011-09-23 19:13:58 +0200 |
commit | edb0cc0cbae1e75e4aeedb6360eab325effe6573 (patch) | |
tree | a2fed4614b88f177f91e88fef3b269fa75e80188 /klm/util/file_piece.cc | |
parent | 2e6ef7cbec77b22ce3d64416a5ada3a6c081f9e2 (diff) |
partial merge, ruleid feature
Diffstat (limited to 'klm/util/file_piece.cc')
-rw-r--r-- | klm/util/file_piece.cc | 42 |
1 files changed, 20 insertions, 22 deletions
diff --git a/klm/util/file_piece.cc b/klm/util/file_piece.cc index f447a70c..cbe4234f 100644 --- a/klm/util/file_piece.cc +++ b/klm/util/file_piece.cc @@ -41,8 +41,8 @@ GZException::GZException(void *file) { const bool kSpaces[256] = {0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; int OpenReadOrThrow(const char *name) { - int ret = open(name, O_RDONLY); - if (ret == -1) UTIL_THROW(ErrnoException, "in open (" << name << ") for reading"); + int ret; + UTIL_THROW_IF(-1 == (ret = open(name, O_RDONLY)), ErrnoException, "while opening " << name); return ret; } @@ -52,13 +52,13 @@ off_t SizeFile(int fd) { return sb.st_size; } -FilePiece::FilePiece(const char *name, std::ostream *show_progress, off_t min_buffer) throw (GZException) : +FilePiece::FilePiece(const char *name, std::ostream *show_progress, off_t min_buffer) : file_(OpenReadOrThrow(name)), total_size_(SizeFile(file_.get())), page_(sysconf(_SC_PAGE_SIZE)), progress_(total_size_ == kBadSize ? NULL : show_progress, std::string("Reading ") + name, total_size_) { Initialize(name, show_progress, min_buffer); } -FilePiece::FilePiece(int fd, const char *name, std::ostream *show_progress, off_t min_buffer) throw (GZException) : +FilePiece::FilePiece(int fd, const char *name, std::ostream *show_progress, off_t min_buffer) : file_(fd), total_size_(SizeFile(file_.get())), page_(sysconf(_SC_PAGE_SIZE)), progress_(total_size_ == kBadSize ? NULL : show_progress, std::string("Reading ") + name, total_size_) { Initialize(name, show_progress, min_buffer); @@ -78,7 +78,7 @@ FilePiece::~FilePiece() { #endif } -StringPiece FilePiece::ReadLine(char delim) throw (GZException, EndOfFileException) { +StringPiece FilePiece::ReadLine(char delim) { size_t skip = 0; while (true) { for (const char *i = position_ + skip; i < position_end_; ++i) { @@ -97,20 +97,20 @@ StringPiece FilePiece::ReadLine(char delim) throw (GZException, EndOfFileExcepti } } -float FilePiece::ReadFloat() throw(GZException, EndOfFileException, ParseNumberException) { +float FilePiece::ReadFloat() { return ReadNumber<float>(); } -double FilePiece::ReadDouble() throw(GZException, EndOfFileException, ParseNumberException) { +double FilePiece::ReadDouble() { return ReadNumber<double>(); } -long int FilePiece::ReadLong() throw(GZException, EndOfFileException, ParseNumberException) { +long int FilePiece::ReadLong() { return ReadNumber<long int>(); } -unsigned long int FilePiece::ReadULong() throw(GZException, EndOfFileException, ParseNumberException) { +unsigned long int FilePiece::ReadULong() { return ReadNumber<unsigned long int>(); } -void FilePiece::Initialize(const char *name, std::ostream *show_progress, off_t min_buffer) throw (GZException) { +void FilePiece::Initialize(const char *name, std::ostream *show_progress, off_t min_buffer) { #ifdef HAVE_ZLIB gz_file_ = NULL; #endif @@ -163,7 +163,7 @@ void ParseNumber(const char *begin, char *&end, unsigned long int &out) { } } // namespace -template <class T> T FilePiece::ReadNumber() throw(GZException, EndOfFileException, ParseNumberException) { +template <class T> T FilePiece::ReadNumber() { SkipSpaces(); while (last_space_ < position_) { if (at_end_) { @@ -186,7 +186,7 @@ template <class T> T FilePiece::ReadNumber() throw(GZException, EndOfFileExcepti return ret; } -const char *FilePiece::FindDelimiterOrEOF(const bool *delim) throw (GZException, EndOfFileException) { +const char *FilePiece::FindDelimiterOrEOF(const bool *delim) { size_t skip = 0; while (true) { for (const char *i = position_ + skip; i < position_end_; ++i) { @@ -201,7 +201,7 @@ const char *FilePiece::FindDelimiterOrEOF(const bool *delim) throw (GZException, } } -void FilePiece::Shift() throw(GZException, EndOfFileException) { +void FilePiece::Shift() { if (at_end_) { progress_.Finished(); throw EndOfFileException(); @@ -217,7 +217,7 @@ void FilePiece::Shift() throw(GZException, EndOfFileException) { } } -void FilePiece::MMapShift(off_t desired_begin) throw() { +void FilePiece::MMapShift(off_t desired_begin) { // Use mmap. off_t ignore = desired_begin % page_; // Duplicate request for Shift means give more data. @@ -259,25 +259,23 @@ void FilePiece::MMapShift(off_t desired_begin) throw() { progress_.Set(desired_begin); } -void FilePiece::TransitionToRead() throw (GZException) { +void FilePiece::TransitionToRead() { assert(!fallback_to_read_); fallback_to_read_ = true; data_.reset(); data_.reset(malloc(default_map_size_), default_map_size_, scoped_memory::MALLOC_ALLOCATED); - if (!data_.get()) UTIL_THROW(ErrnoException, "malloc failed for " << default_map_size_); + UTIL_THROW_IF(!data_.get(), ErrnoException, "malloc failed for " << default_map_size_); position_ = data_.begin(); position_end_ = position_; #ifdef HAVE_ZLIB assert(!gz_file_); gz_file_ = gzdopen(file_.get(), "r"); - if (!gz_file_) { - UTIL_THROW(GZException, "zlib failed to open " << file_name_); - } + UTIL_THROW_IF(!gz_file_, GZException, "zlib failed to open " << file_name_); #endif } -void FilePiece::ReadShift() throw(GZException, EndOfFileException) { +void FilePiece::ReadShift() { assert(fallback_to_read_); // Bytes [data_.begin(), position_) have been consumed. // Bytes [position_, position_end_) have been read into the buffer. @@ -297,7 +295,7 @@ void FilePiece::ReadShift() throw(GZException, EndOfFileException) { std::size_t valid_length = position_end_ - position_; default_map_size_ *= 2; data_.call_realloc(default_map_size_); - if (!data_.get()) UTIL_THROW(ErrnoException, "realloc failed for " << default_map_size_); + UTIL_THROW_IF(!data_.get(), ErrnoException, "realloc failed for " << default_map_size_); position_ = data_.begin(); position_end_ = position_ + valid_length; } else { @@ -320,7 +318,7 @@ void FilePiece::ReadShift() throw(GZException, EndOfFileException) { } #else read_return = read(file_.get(), static_cast<char*>(data_.get()) + already_read, default_map_size_ - already_read); - if (read_return == -1) UTIL_THROW(ErrnoException, "read failed"); + UTIL_THROW_IF(read_return == -1, ErrnoException, "read failed"); progress_.Set(mapped_offset_); #endif if (read_return == 0) { |