Initial commit

engines/mm/shared/utils/strings_data.cpp

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