122 lines
3.3 KiB
C++
122 lines
3.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "common/array.h"
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#include "common/file.h"
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#include "mm/shared/utils/strings_data.h"
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#include "mm/shared/utils/strings.h"
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namespace MM {
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bool StringsData::load(const Common::Path &filename) {
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Common::File f;
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Common::Array<Common::String> prefixKeys;
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Common::String key, value, fullKey;
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size_t p;
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if (!f.open(filename))
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return false;
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while (!f.eos()) {
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// Get the next line
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Common::String line = f.readLine();
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// Check for blank or comment lines
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Common::String lineTrimmed = line;
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lineTrimmed.trim();
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if (lineTrimmed.empty() || lineTrimmed.hasPrefix("#"))
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continue;
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// Count number of tabs for identation amount
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size_t numTabs = 0;
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while (line.hasPrefix("\t")) {
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line.deleteChar(0);
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++numTabs;
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}
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// Split key and value if present
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p = line.findFirstOf(":");
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if (p == Common::String::npos)
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error("Line encountered without colon");
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key = Common::String(line.c_str(), line.c_str() + p);
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value = Common::String(line.c_str() + p + 1);
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key.trim();
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value.trim();
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// Strip quotes from start and end of string
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if (value.hasPrefix("\"") && value.hasSuffix("\"")) {
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value.deleteChar(0);
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value.deleteLastChar();
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value = searchAndReplace(value, "\"\"", "");
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value = searchAndReplace(value, "\\\"", "\"");
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}
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// Replace any sequences
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for (uint i = 0; i < value.size(); ++i) {
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if (value[i] == '\\' && (value[i + 1] == 'n' ||
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value[i + 1] == 'r')) {
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value.deleteChar(i);
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value.setChar('\n', i);
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} else if (!strncmp(value.c_str() + i, "\\x", 2)) {
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Common::String hex(value.c_str() + i + 2,
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value.c_str() + i + 4);
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value.deleteChar(i);
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value.deleteChar(i);
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value.deleteChar(i);
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value.setChar((char)hexToInt(hex), i);
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} else if (value[i] == '"' && i < (value.size() - 1) &&
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value[i + 1] == '"') {
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value.deleteChar(i);
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}
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}
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// Handle the entries
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if (numTabs == prefixKeys.size()) {
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// Do nothing
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} else if (numTabs < prefixKeys.size()) {
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// Drop off prefixes to the desired indentation
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prefixKeys.resize(numTabs);
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} else {
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error("Incorrect indentation");
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}
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if (value.empty()) {
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prefixKeys.push_back(key);
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} else {
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// Form a key from the prefix and current key
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fullKey = "";
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for (size_t i = 0; i < prefixKeys.size(); ++i) {
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fullKey += prefixKeys[i];
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fullKey += ".";
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}
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fullKey = fullKey + key;
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(*this)[fullKey] = value;
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}
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}
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return true;
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}
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} // namespace MM
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