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66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
// Residual - Virtual machine to run LucasArts' 3D adventure games
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// Copyright (C) 2003 The ScummVM-Residual Team (www.scummvm.org)
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#ifndef TEXTSPLIT_HH
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#define TEXTSPLIT_HH
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#include <cstdlib>
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// A utility class to help in parsing the text-format files. Splits
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// the text data into lines, skipping comments, trailing whitespace,
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// and empty lines. Also folds everything to lowercase.
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class TextSplitter {
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public:
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TextSplitter(const char *data, int len);
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char *nextLine() {
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curr_line_ = next_line_;
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processLine();
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return curr_line_;
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}
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char *currentLine() { return curr_line_; }
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const char *currentLine() const { return curr_line_; }
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bool eof() const { return curr_line_ == NULL; }
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// Check if the current line contains 'needle'
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bool TextSplitter::checkString(const char *needle);
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// Expect a certain fixed string; bail out with an error if not
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// found. Advance to the next line.
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void expectString(const char *expected);
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// Scan a line according to the given format (compatible with
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// scanf); if not all fields are read (according to the field_count
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// argument), bail out with an error. Advance to the next line.
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void scanString(const char *fmt, int field_count, ...)
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#ifdef __GNUC__
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__attribute__((format (scanf, 2, 4)))
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#endif
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;
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~TextSplitter() { delete[] data_; }
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private:
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char *data_, *curr_line_, *next_line_;
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void processLine();
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};
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#endif
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