Split the ini file reader into a stream decoder and a file wrapper.

1 files changed, 103 insertions, 0 deletions

diff --git a/src/filesystem/inistream.h b/src/filesystem/inistream.h
new file mode 100644
index 0000000..7c99120
--- /dev/null
+++ b/src/filesystem/inistream.h
@@ -0,0 +1,103 @@
+/*
+   filesystem/inistream.h
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2
+*/
+
+#ifndef __INCLUDED_FILESTREAM_INIFILE_H__
+#define __INCLUDED_FILESTREAM_INIFILE_H__
+
+#include <string>
+#include <fstream>
+
+#include "math/vector3f.h"
+#include "math/color.h"
+#include "filesystem/filestream.h"
+
+namespace filesystem
+{
+
+/// a class to read ini streams
+/**
+ * The IniStream class is able to decode the structure of a windows-like
+ * .ini file from a text stream.
+ **/
+class IniStream
+{
+public:
+	IniStream();
+
+	~IniStream();
+
+	/// parse one line, returns false on end-of-file
+	bool getline(std::istream & istream);
+
+	/// current section label
+	inline std::string section() const {
+		return section_current;
+	}
+
+	/// current key
+	inline std::string key() const {
+		return key_current;
+	}
+
+	/// current value
+	inline std::string value() const {
+		return value_current;
+	}
+	
+	/// current line number	
+	inline unsigned int line() const {
+		return line_number;
+	}
+
+	/// true if the last read statement was a section header
+	bool got_section() const;
+
+	/// true if the current section matches
+	bool in_section(const char *sectionlabel) const;
+
+	/// true if the last read statement was a certain section header
+	bool got_section(const char * sectionlabel) const;
+
+	/// true if the last read statement was a key=value pair
+	bool got_key() const;
+
+	bool got_key(const char * keylabel);
+
+	/// check if the last read key=value pair matches keylabel and store the value in valuestring
+	bool got_key_string(const char * keylabel, std::string & valuestring);
+
+	/// check if the last read key=value pair matches keylabel and store the value in valuestring, converted to label
+	bool got_key_label(const char * keylabel, std::string & labelstring);
+	
+	bool got_key_color(const char * keylabel, math::Color & color);
+
+	bool got_key_float(const char * keylabel, float & f);
+
+	bool got_key_angle(const char * keylabel, float & f);
+
+	bool got_key_long(const char * keylabel, long & l);
+
+	bool got_key_vector3f(const char * keylabel, math::Vector3f & v);
+
+	bool got_key_bool(const char * keylabel, bool & b);
+
+protected:
+	void clear();
+	
+private:
+	std::string 		section_current;
+	std::string 		key_current;
+	std::string 		value_current;
+
+	bool 			last_read_was_key;
+	bool 			last_read_was_section;
+
+	unsigned int 		line_number;
+};
+
+}
+
+#endif // __INCLUDED_FILESYSTEM_INISTREAM_H__