diff options
Diffstat (limited to 'src/regengine.cc')
| -rw-r--r-- | src/regengine.cc | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/src/regengine.cc b/src/regengine.cc index f2f0e5e..491d7b1 100644 --- a/src/regengine.cc +++ b/src/regengine.cc @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2017 by Hans-Peter Deifel * + * Copyright (C) 2015-2018 by Hans-Peter Deifel * * hpd@hpdeifel.de * * * * This program is free software; you can redistribute it and/or modify * @@ -32,10 +32,29 @@ #include "output.h" #include "pdfgrep.h" -// regex(3) - using namespace std; +bool PatternList::exec(const string &str, size_t offset, struct match &m) const +{ + struct match m_copy = m; + + for (auto &r : patterns) { + if (r->exec(str, offset, m_copy)) { + m.start = m_copy.start; + m.end = m_copy.end; + return true; + } + } + return false; +} + + +void PatternList::add_pattern(unique_ptr<Regengine> pattern) { + patterns.push_back(move(pattern)); +} + +// regex(3) + PosixRegex::PosixRegex(const string &pattern, bool case_insensitive) { int regex_flags = REG_EXTENDED | (case_insensitive ? REG_ICASE : 0); |