/*************************************************************************/ /* regex.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "regex.h" #include "nrex.hpp" #include "core/os/memory.h" void RegEx::_bind_methods() { ObjectTypeDB::bind_method(_MD("compile","pattern", "capture"),&RegEx::compile, DEFVAL(9)); ObjectTypeDB::bind_method(_MD("find","text","start","end"),&RegEx::find, DEFVAL(0), DEFVAL(-1)); ObjectTypeDB::bind_method(_MD("clear"),&RegEx::clear); ObjectTypeDB::bind_method(_MD("is_valid"),&RegEx::is_valid); ObjectTypeDB::bind_method(_MD("get_capture_count"),&RegEx::get_capture_count); ObjectTypeDB::bind_method(_MD("get_capture","capture"),&RegEx::get_capture); ObjectTypeDB::bind_method(_MD("get_capture_start","capture"),&RegEx::get_capture_start); ObjectTypeDB::bind_method(_MD("get_captures"),&RegEx::_bind_get_captures); }; StringArray RegEx::_bind_get_captures() const { StringArray ret; int count = get_capture_count(); for (int i=0; i<count; i++) { String c = get_capture(i); ret.push_back(c); }; return ret; }; void RegEx::clear() { text.clear(); captures.clear(); exp.reset(); }; bool RegEx::is_valid() const { return exp.valid(); }; int RegEx::get_capture_count() const { ERR_FAIL_COND_V( !exp.valid(), 0 ); return exp.capture_size(); } String RegEx::get_capture(int capture) const { ERR_FAIL_COND_V( get_capture_count() <= capture, String() ); return text.substr(captures[capture].start, captures[capture].length); } int RegEx::get_capture_start(int capture) const { ERR_FAIL_COND_V( get_capture_count() <= capture, -1 ); return captures[capture].start; } Error RegEx::compile(const String& p_pattern, int capture) { clear(); exp.compile(p_pattern.c_str(), capture); ERR_FAIL_COND_V( !exp.valid(), FAILED ); captures.resize(exp.capture_size()); return OK; }; int RegEx::find(const String& p_text, int p_start, int p_end) const { ERR_FAIL_COND_V( !exp.valid(), -1 ); ERR_FAIL_COND_V( p_text.length() < p_start, -1 ); ERR_FAIL_COND_V( p_text.length() < p_end, -1 ); bool res = exp.match(p_text.c_str(), &captures[0], p_start, p_end); if (res) { text = p_text; return captures[0].start; } text.clear(); return -1; }; RegEx::RegEx(const String& p_pattern) { compile(p_pattern); }; RegEx::RegEx() { }; RegEx::~RegEx() { clear(); };