2 files changed, 137 insertions, 11 deletions

diff --git a/src/core/utils/CSSParser.cpp b/src/core/utils/CSSParser.cpp
index 6ac98fa..e66eb34 100644
--- a/src/core/utils/CSSParser.cpp
+++ b/src/core/utils/CSSParser.cpp
@@ -16,11 +16,40 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include "BufferedCharReader.hpp"
+#include "Tokenizer.hpp"
+
 #include "CSSParser.hpp"
 
 namespace ousia {
 namespace utils {
 
+static const int CURLY_OPEN = 1;
+static const int CURLY_CLOSE = 2;
+static const int COLON = 3;
+static const int SEMICOLON = 4;
+static const int HASH = 5;
+static const int BRACKET_OPEN = 6;
+static const int BRACKET_CLOSE = 7;
+static const int COMMENT_OPEN = 8;
+static const int COMMENT_CLOSE = 9;
+
+static const TokenTreeNode CSS_ROOT{{{"{", CURLY_OPEN},
+                                     {"}", CURLY_CLOSE},
+                                     {":", COLON},
+                                     {";", SEMICOLON},
+                                     {"#", HASH},
+                                     {"[", BRACKET_OPEN},
+                                     {"]", BRACKET_CLOSE},
+                                     {"/*", COMMENT_OPEN},
+                                     {"*/", COMMENT_CLOSE}}};
+
+StyleNode CSSParser::parse(BufferedCharReader &input) {
+	Tokenizer tokenizer {input, CSS_ROOT};
+	//TODO: implement
+	
+}
+
 
 
 }
diff --git a/src/core/utils/CSSParser.hpp b/src/core/utils/CSSParser.hpp
index 4e82371..8db5cdd 100644
--- a/src/core/utils/CSSParser.hpp
+++ b/src/core/utils/CSSParser.hpp
@@ -20,8 +20,12 @@
 #define _OUSIA_UTILS_CSS_PARSER_HPP_
 
 #include <istream>
+#include <map>
+#include <vector>
 #include <tuple>
 
+#include "BufferedCharReader.hpp"
+
 namespace ousia {
 namespace utils {
 
@@ -36,29 +40,122 @@ namespace utils {
  * local style definitions for single nodes.
  */
 struct Specificity {
+	int b;
+	int c;
+	int d;
 
-int b;
-int c;
-int d;
-
-Specificity(int b, int c, int d): b(b), c(c), d(d) {}
-
+	Specificity(int b, int c, int d) : b(b), c(c), d(d) {}
 };
 
-
-bool operator< (const Specificity &x, const Specificity &y){
+bool operator<(const Specificity &x, const Specificity &y)
+{
 	return std::tie(x.b, x.c, x.d) < std::tie(y.b, y.c, y.d);
 }
 
-bool operator> (const Specificity &x, const Specificity &y){
+bool operator>(const Specificity &x, const Specificity &y)
+{
 	return std::tie(x.b, x.c, x.d) > std::tie(y.b, y.c, y.d);
 }
 
-bool operator== (const Specificity &x, const Specificity &y){
+bool operator==(const Specificity &x, const Specificity &y)
+{
 	return std::tie(x.b, x.c, x.d) == std::tie(y.b, y.c, y.d);
 }
 
+class RuleSet {
+private:
+	const std::map<std::string, std::string> values;
+	const Specificity specificity;
+
+public:
+	RuleSet(std::map<std::string, std::string> values, Specificity specificity)
+	    : values(values), specificity(specificity)
+	{
+	}
+
+	const std::map<std::string, std::string> &getValues() const
+	{
+		return values;
+	}
+
+	const Specificity &getSpecificity() const { return specificity; }
+};
+
+class PseudoSelector {
+private:
+	const std::string name;
+	const std::vector<std::string> args;
+	const bool generative;
+
+public:
+	PseudoSelector(std::string name, std::vector<std::string> args,
+	               bool generative)
+	    : name(name), args(args), generative(generative)
+	{
+	}
+
+	const std::string &getName() const { return name; }
+
+	const std::vector<std::string> &getArgs() const { return args; }
+
+	const bool &isGenerative() const { return generative; }
+};
+
+enum class SelectionOperator { DESCENDANT, DIRECT_DESCENDANT };
+
+// TODO: Subclass of Andreas' Node class
+class StyleEdge {
+private:
+	// TODO: This is wrong! Here we want to have a managed pointer as Andreas
+	// mentioned!
+	//	const StyleNode target;
+	const SelectionOperator selectionOperator;
+
+public:
+	StyleEdge(/*StyleNode target,*/ SelectionOperator selectionOperator)
+	    : /*target(target),*/ selectionOperator(selectionOperator)
+	{
+	}
+
+	//	const StyleNode &getTarget() const { return target; }
+
+	const SelectionOperator &getSelectionOperator() const
+	{
+		return selectionOperator;
+	}
+};
+
+// TODO: Subclass of Andreas' Node class
+class StyleNode {
+private:
+	const std::string className;
+	const PseudoSelector pseudoSelector;
+	const std::vector<StyleEdge> edges;
+	const std::vector<RuleSet> ruleSets;
+
+public:
+	StyleNode(std::string className, PseudoSelector pseudoSelector,
+	          std::vector<StyleEdge> edges, std::vector<RuleSet> ruleSets)
+	    : className(className),
+	      pseudoSelector(pseudoSelector),
+	      edges(edges),
+	      ruleSets(ruleSets)
+	{
+	}
+
+	const std::string &getClassName() const { return className; }
+
+	const PseudoSelector &getPseudoSelector() const { return pseudoSelector; }
+
+	const std::vector<StyleEdge> &getEdges() const { return edges; }
+
+	const std::vector<RuleSet> &getRuleSets() const { return ruleSets; }
+};
+
+class CSSParser {
+public:
+	StyleNode parse(BufferedCharReader &input);
+};
 }
 }
-
 #endif