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engines/gob/html_parser.h

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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/>.
+ *
+ *
+ * This file is dual-licensed.
+ * In addition to the GPLv3 license mentioned above, this code is also
+ * licensed under LGPL 2.1. See LICENSES/COPYING.LGPL file for the
+ * full text of the license.
+ *
+ */
+
+#ifndef GOB_HTML_PARSER_H
+#define GOB_HTML_PARSER_H
+
+#include "common/hashmap.h"
+#include "common/str.h"
+
+#include "gob/gob.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+
+namespace Gob {
+
+struct HtmlMark {
+	uint32 _field_0;
+	uint32 _field_4;
+	uint32 _field_8;
+	uint32 _field_C;
+	uint32 _pos;
+	uint32 _field_14[5];
+	uint32 _field_28;
+};
+
+
+class HtmlContext {
+public:
+	HtmlContext(Common::SeekableReadStream *stream, GobEngine *vm);
+	~HtmlContext();
+
+	void seekCommand(Common::String command, Common::String commandArg, uint16 destVar);
+	void nextKeyword(uint16 destVar, uint16 destVarTagType);
+
+private:
+	enum HtmlTagType {
+		kHtmlTagType_None = -1,
+		kHtmlTagType_Error,
+		kHtmlTagType_OutsideTag,
+		kHtmlTagType_Body,
+		kHtmlTagType_Font,
+		kHtmlTagType_Font_Close,
+		kHtmlTagType_Img,
+		kHtmlTagType_A,
+		kHtmlTagType_A_Close,
+		kHtmlTagType_Title,
+		kHtmlTagType_Title_Close,
+		kHtmlTagType_HTML_Close,
+		kHtmlTagType_BR,
+		kHtmlTagType_P,
+		kHtmlTagType_P_Close,
+		kHtmlTagType_U,
+		kHtmlTagType_U_Close,
+		kHtmlTagType_B,
+		kHtmlTagType_B_Close,
+		kHtmlTagType_EM,
+		kHtmlTagType_EM_Close,
+		kHtmlTagType_I,
+		kHtmlTagType_I_Close,
+		kHtmlTagType_SUB,
+		kHtmlTagType_SUB_Close,
+		kHtmlTagType_SUP,
+		kHtmlTagType_SUP_Close,
+	};
+
+	static Common::HashMap<Common::String, HtmlTagType> *_htmlTagsTypesMap;
+	static Common::HashMap<Common::String, char> *_htmlEntitiesMap;
+	static Common::String popStringPrefix(const char **charPtr, char sep);
+	static HtmlTagType getHtmlTagType(const char *tag);
+	static char getHtmlEntityLatin1Char(const char *entity);
+	static Common::String substituteHtmlEntities(const char *text);
+
+	void parseTagAttributes(const char* tagAttributes);
+	void cleanTextNode(int animDataSize);
+
+	static const uint32 kMaxNbrOfHtmlMarks = 20;
+
+	HtmlTagType _currentTagType;
+	Common::SeekableReadStream *_stream;
+	int _pos;
+	int _posBak;
+	bool _field_10;
+	char _buffer[256];
+	HtmlMark _marks[kMaxNbrOfHtmlMarks];
+	uint32 _currentMarkIndex;
+	Common::String _htmlVariables[10];
+
+	GobEngine *_vm;
+};
+
+
+} // End of namespace Gob
+
+#endif // GOB_HTML_PARSER_H