diff options
Diffstat (limited to 'pcre_scanner.cc')
-rw-r--r-- | pcre_scanner.cc | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/pcre_scanner.cc b/pcre_scanner.cc index 29e0d84..bdc8d4d 100644 --- a/pcre_scanner.cc +++ b/pcre_scanner.cc @@ -43,6 +43,7 @@ Scanner::Scanner() input_(data_), skip_(NULL), should_skip_(false), + skip_repeat_(false), save_comments_(false), comments_(NULL), comments_offset_(0) { @@ -53,6 +54,7 @@ Scanner::Scanner(const string& in) input_(data_), skip_(NULL), should_skip_(false), + skip_repeat_(false), save_comments_(false), comments_(NULL), comments_offset_(0) { @@ -63,15 +65,31 @@ Scanner::~Scanner() { delete comments_; } +void Scanner::SetSkipExpression(const char* re) { + delete skip_; + if (re != NULL) { + skip_ = new RE(re); + should_skip_ = true; + skip_repeat_ = true; + ConsumeSkip(); + } else { + skip_ = NULL; + should_skip_ = false; + skip_repeat_ = false; + } +} + void Scanner::Skip(const char* re) { delete skip_; if (re != NULL) { skip_ = new RE(re); should_skip_ = true; + skip_repeat_ = false; ConsumeSkip(); } else { skip_ = NULL; should_skip_ = false; + skip_repeat_ = false; } } @@ -118,19 +136,22 @@ bool Scanner::Consume(const RE& re, // helper function to consume *skip_ and honour save_comments_ void Scanner::ConsumeSkip() { + const char* start_data = input_.data(); + while (skip_->Consume(&input_)) { + if (!skip_repeat_) { + // Only one skip allowed. + break; + } + } if (save_comments_) { - if (NULL == comments_) { + if (comments_ == NULL) { comments_ = new vector<StringPiece>; } - const char *start_data = input_.data(); - skip_->Consume(&input_); // already pointing one past end, so no need to +1 int length = input_.data() - start_data; if (length > 0) { comments_->push_back(StringPiece(start_data, length)); } - } else { - skip_->Consume(&input_); } } |